This document provides an overview of the industrial training completed at Jyoti CNC Automation Ltd. It describes the various shops within the company including the foundry shop, sheet metal shop, paint shop, machining shop, and assembly shop. It provides details about the casting process, sheet metal working processes, surface coating processes, machining processes, and assembly process for CNC machines. It also lists the machinery and equipment used in each shop.
training report on Jyoti cnc automation ltd.Ketan Gojiya
This document provides an overview of Jyoti CNC Automation Ltd., including descriptions of its various production shops. The company operates foundry, sheet metal, paint, machining, and assembly shops. In the foundry shop, the casting process is described, involving sand mixing and mold making, melting and pouring metal, cooling and removing castings. The sheet metal shop uses laser cutting, bending, welding, and grinding equipment. The paint shop provides surface coating using pretreatment and powder coating. The machining shop machines casted parts using techniques like turning, milling, and grinding. The assembly shop assembles CNC machines using a fixed position layout.
report of industrial training done at MAKINO.
For over two decades, Makino Auto Industries Pvt. Ltd. has been the trusted name in the automotive industry. The company's product range of Automotive clutch assemblies, brake assemblies and components are amongst the category leaders in India and discerning markets of the world.
Established in 1990 Makino has 4 plants in India. Started as a Friction Disc manufacturer and now a complete clutch & Brake Solution Provider.
Experts of Automotive Clutches & Brakes (2W, 3W and 4W applications)
Working with major OEM in India for 2 W and 3 W applications
Vision is to provide technologically advanced clutches & brakes for existing and future vehicles.
"MAKINO is committed to consistently provide the Original Equipment Manufacturer and vehicle owner quality products.
The document describes the process of investment casting, also known as the lost wax process or precision casting. Key steps include:
1) Producing a die to make wax patterns, which can be done using machined steel dies or cast alloy dies.
2) Making expendable wax patterns and gating system by injecting wax into the die cavity under pressure.
3) Pre-coating the wax pattern assembly with refractory material to impart texture and key the coating.
4) Investing the pre-coated wax pattern assembly by pouring refractory slurry and allowing it to harden, forming a mould around the wax pattern.
This presentation provides an overview of HMT Machine Tools Ltd. in Ajmer, India. It discusses the company's establishment, departments, manufacturing processes, products, achievements and customers. Key points include: HMT was established by the government of India in 1953 and diversified into various industries over time; the Ajmer unit focuses on precision grinding machines; major departments include manufacturing, assembly, and foundry; processes like pattern making, sand moulding, and metal melting are used; products include various CNC grinding machines; and customers are in automotive, engineering, defense, and bearing industries.
HMT Machine Tools Ltd Ajmer Practical Summer Training PresentationSiddharth Bhatnagar
This presentation provides an overview of HMT Machine Tools Ltd. in Ajmer, India. It discusses the company's establishment, departments, manufacturing processes, products, achievements and customers. Key points include:
- HMT was established by the Indian government in 1953 and diversified into various industries over time. The Ajmer unit focuses on CNC grinding machines.
- Major departments include manufacturing, assembly, foundry, maintenance, inspection and HR.
- The foundry produces metal castings using processes like pattern making, sand moulding, and metal melting.
- Notable products are CGM-225, GTC28, and CGM-175 CNC grinding machines.
-
This document provides information about Prashant Castech (P) Ltd., an Indian foundry group that supplies electric motor castings. It details the company's capabilities including producing motor housings up to 560 frame size and 3 ton weight. The document describes the company's production process from pattern making to heat treatment and quality testing. It also provides specifications for raw materials and chemical composition for different cast iron grades produced by the foundry.
Cylinder liners are used in engine blocks to provide a hard-wearing surface for pistons. They are typically made of grey cast iron using a centrifugal casting process where the molten metal is spun at high speeds inside a mold, pushing it evenly against the inner wall. This allows for consistent thickness and prevents impurities from settling in the liner. The manufacturing process involves melting metal, centrifugal casting, boring and finishing steps like honing and grinding to achieve the final dimensions and smooth surface for optimal engine performance.
training report on Jyoti cnc automation ltd.Ketan Gojiya
This document provides an overview of Jyoti CNC Automation Ltd., including descriptions of its various production shops. The company operates foundry, sheet metal, paint, machining, and assembly shops. In the foundry shop, the casting process is described, involving sand mixing and mold making, melting and pouring metal, cooling and removing castings. The sheet metal shop uses laser cutting, bending, welding, and grinding equipment. The paint shop provides surface coating using pretreatment and powder coating. The machining shop machines casted parts using techniques like turning, milling, and grinding. The assembly shop assembles CNC machines using a fixed position layout.
report of industrial training done at MAKINO.
For over two decades, Makino Auto Industries Pvt. Ltd. has been the trusted name in the automotive industry. The company's product range of Automotive clutch assemblies, brake assemblies and components are amongst the category leaders in India and discerning markets of the world.
Established in 1990 Makino has 4 plants in India. Started as a Friction Disc manufacturer and now a complete clutch & Brake Solution Provider.
Experts of Automotive Clutches & Brakes (2W, 3W and 4W applications)
Working with major OEM in India for 2 W and 3 W applications
Vision is to provide technologically advanced clutches & brakes for existing and future vehicles.
"MAKINO is committed to consistently provide the Original Equipment Manufacturer and vehicle owner quality products.
The document describes the process of investment casting, also known as the lost wax process or precision casting. Key steps include:
1) Producing a die to make wax patterns, which can be done using machined steel dies or cast alloy dies.
2) Making expendable wax patterns and gating system by injecting wax into the die cavity under pressure.
3) Pre-coating the wax pattern assembly with refractory material to impart texture and key the coating.
4) Investing the pre-coated wax pattern assembly by pouring refractory slurry and allowing it to harden, forming a mould around the wax pattern.
This presentation provides an overview of HMT Machine Tools Ltd. in Ajmer, India. It discusses the company's establishment, departments, manufacturing processes, products, achievements and customers. Key points include: HMT was established by the government of India in 1953 and diversified into various industries over time; the Ajmer unit focuses on precision grinding machines; major departments include manufacturing, assembly, and foundry; processes like pattern making, sand moulding, and metal melting are used; products include various CNC grinding machines; and customers are in automotive, engineering, defense, and bearing industries.
HMT Machine Tools Ltd Ajmer Practical Summer Training PresentationSiddharth Bhatnagar
This presentation provides an overview of HMT Machine Tools Ltd. in Ajmer, India. It discusses the company's establishment, departments, manufacturing processes, products, achievements and customers. Key points include:
- HMT was established by the Indian government in 1953 and diversified into various industries over time. The Ajmer unit focuses on CNC grinding machines.
- Major departments include manufacturing, assembly, foundry, maintenance, inspection and HR.
- The foundry produces metal castings using processes like pattern making, sand moulding, and metal melting.
- Notable products are CGM-225, GTC28, and CGM-175 CNC grinding machines.
-
This document provides information about Prashant Castech (P) Ltd., an Indian foundry group that supplies electric motor castings. It details the company's capabilities including producing motor housings up to 560 frame size and 3 ton weight. The document describes the company's production process from pattern making to heat treatment and quality testing. It also provides specifications for raw materials and chemical composition for different cast iron grades produced by the foundry.
Cylinder liners are used in engine blocks to provide a hard-wearing surface for pistons. They are typically made of grey cast iron using a centrifugal casting process where the molten metal is spun at high speeds inside a mold, pushing it evenly against the inner wall. This allows for consistent thickness and prevents impurities from settling in the liner. The manufacturing process involves melting metal, centrifugal casting, boring and finishing steps like honing and grinding to achieve the final dimensions and smooth surface for optimal engine performance.
Pressure die casting is a manufacturing process where molten metal is injected under high pressure into a steel mold cavity. This allows for the rapid solidification of net-shaped metal components with tight tolerances. There are two main types - high pressure die casting for parts requiring close tolerances, and low pressure die casting for larger, less critical parts. Pressure die casting allows for high-volume production of complex parts and good dimensional accuracy.
Ball mills are mostly used grinding equipment that can grind materials either wet or dry with high efficiency. They are composed of a hollow cylindrical shell that rotates about its axis and is partially filled with balls made of steel, stainless steel, or rubber materials. The grinding is carried out through impact and attrition of the balls as the cylinder rotates, and the material is fed through the hollow shaft. Ball mills have advantages such as low installation cost, low production cost, and suitability for both batch and continuous operations. However, they also have disadvantages like high noise levels, relatively long milling times, and difficulty in cleaning. Ball mills find applications in grinding materials for industries like coal, pigments, and ceramics.
This PPT will let you know about metal casting and more specifically about the type of casting that is, Die casting, types of die casting, Cleaning of castings and inspection of casting
This document discusses various molding and casting processes, including:
1. Carbon dioxide molding process, investment casting process, shell molding process, die casting process, full molding process, and vacuum-sealed casting process.
2. It provides details on the steps and advantages/disadvantages of processes like shell molding, investment casting, plaster mold casting, and permanent mold casting.
3. References are made to keywords and websites for additional information on topics like sand casting and carbon dioxide molding.
Powder metallurgy is a process that involves producing metal powder and compacting and sintering it to form objects. It has three main steps - powder production, compacting, and sintering. Powder metallurgy allows for near-net shape production with few secondary operations and can be used to make complex parts from various alloys. Some examples where it is used include auto transmission sprockets and main bearing caps for automobile engines. The process offers advantages like net-shape production, ability to use high-melting metals, and high production rates. However, it also has disadvantages such as high powder production costs and limited part geometries.
The document discusses the casting process for hydraulic cylinder pistons. It begins by introducing pistons and their use in hydraulic mechanisms. It then describes the casting process, noting that large pistons are typically gravity die cast while smaller pistons may be sand cast. The casting process involves pouring molten metal into a mold. Further processes include lathe work to machine diameters and faces and milling holes. Pistons are widely used in engines and hydraulics.
Continue reading to know more about each stage of the casting process. The product may subsequently be subjected to various finishing processes, depending on its intended use.
The document discusses various casting processes and defects. It describes the functions of gating systems which include providing uniform feed of molten metal to the mould cavity. It also explains the components of gating systems such as pouring basins, sprues, runners and gates. Risering systems are discussed as are common casting defects like shifts, warpage, swell and blowholes along with their causes and remedies. Shell moulding, die casting, and centrifugal casting processes are also summarized.
FABRICATION OF BRIDGE GRIDER ,GLUED JOINT AT STRUCTURAL YARD AND CASTING OF ...VikingRaiders
The document provides details about the summer training completed by the author. It summarizes the key tasks completed during the training, including fabrication of bridge griders, glued joints, and casting of bridge slabs. It expresses gratitude to the guides and teachers during the training. The main tasks involved fabrication processes like layout of drawings, marking, template making, cutting, tack assembly, saw welding, inspection, drilling, riveting, and final assembly of bridge components.
Types of Metal Casting Process and it's TypesManoj Sonawane
The document provides information about sand casting as a manufacturing process. It defines key terms like pattern, core, and mold. It describes the stages of sand casting including making the drag and cope molds, pouring molten metal, and removing the casting. It notes advantages like the ability to make complex shapes at low cost, and disadvantages like rough surfaces and lower dimensional accuracy compared to other processes.
Metal casting processes involve making a mold cavity using a pattern, melting and pouring metal into the mold, and allowing the metal to solidify. Key steps include preparing molds, melting and pouring metal, solidification, and inspection. Casting allows intricate shapes and wide material selection. Advantages are dimensional accuracy and surface finish can be limitations but new processes address these. Patterns are models of the final casting and come in various types depending on shape, size, and molding method. Careful pattern preparation helps minimize defects in the final casting.
specimen preparation for microscopic observationdvj_gajjar
This document provides instructions for preparing a metal specimen for microscopic examination. The key steps are:
1. Mounting the specimen to facilitate handling during preparation. Thermosetting resins like bakelite or diallyl phthalate are commonly used.
2. Grinding the specimen using progressively finer grit papers or belts to create a flat, scratch-free surface. This includes coarse, fine, and polishing stages.
3. Polishing the specimen by hand or machine to achieve a mirror-like finish, using compounds with particles down to 1 micron in size.
4. Etching the polished surface with chemical or electrolytic methods to reveal microstructural details like grain boundaries otherwise not visible
bottle neck operation through critical path methodSaurav Kumar
The document provides details about the author's industrial training at Mahindra & Mahindra (Swaraj Division). It includes:
1) An overview of Swaraj Division and its various product lines and departments.
2) Descriptions of key manufacturing processes like light machine shop, heat treatment, and assembly of components like the differential, engine, and gearbox.
3) Time studies conducted using Critical Path Method to identify bottlenecks in the assembly of differential sub-assembly, rear cover, engine sub-assembly, and gearbox sub-assembly. The analyses identified specific activities as bottlenecks in each assembly process.
The document discusses various methods for manufacturing gears and threads. It describes casting, metal forming, powder metallurgy, and metal removal as common methods for making gears. Metal forming techniques include roll forming, extrusion, stamping, and coining. Metal removal techniques involve gear cutting, shaping, planing, hobbing, and broaching. The document also outlines various threading manufacturing methods such as lathe cutting, chasing, die threading, tapping, milling, rolling, grinding, casting, and whirling.
gear and thread manufacturing,metal cutting,manufacturing processes,Productio...Prof.Mayur Modi
The document discusses various methods for manufacturing gears and threads. It describes casting, metal forming, powder metallurgy, and metal removal as common methods for making gears. Metal forming techniques include roll forming, extrusion, stamping, and coining. Metal removal techniques involve gear cutting, shaping, planing, hobbing, and broaching. The document also outlines various threading manufacturing methods such as lathe cutting, chasing, die threading, tapping, milling, rolling, grinding, casting, and whirling.
This document provides information on casting processes and pattern making. It begins with an introduction and overview of casting classification and types of production systems. It then discusses specific casting processes like sand casting and rolling. Key factors for selecting a production process are outlined. The document also defines important terms in casting, describes the basic steps of making a casting, and lists common products made through casting. It discusses the casting process in detail, provides examples of components produced through casting, and notes advantages and limitations. Finally, it introduces pattern making, comparing patterns to castings, listing pattern functions and materials, and describing common pattern allowances.
The document discusses abrasive processes and broaching. It describes various abrasive machining processes including grinding, honing and lapping. It details different types of grinding processes such as cylindrical grinding and centerless grinding. It also discusses broaching machines and broaching processes. Broaching involves using a multi-tooth tool to remove material in one pass to produce internal and external features with high tolerances and production rates.
Leveraging Generative AI to Drive Nonprofit InnovationTechSoup
In this webinar, participants learned how to utilize Generative AI to streamline operations and elevate member engagement. Amazon Web Service experts provided a customer specific use cases and dived into low/no-code tools that are quick and easy to deploy through Amazon Web Service (AWS.)
Pressure die casting is a manufacturing process where molten metal is injected under high pressure into a steel mold cavity. This allows for the rapid solidification of net-shaped metal components with tight tolerances. There are two main types - high pressure die casting for parts requiring close tolerances, and low pressure die casting for larger, less critical parts. Pressure die casting allows for high-volume production of complex parts and good dimensional accuracy.
Ball mills are mostly used grinding equipment that can grind materials either wet or dry with high efficiency. They are composed of a hollow cylindrical shell that rotates about its axis and is partially filled with balls made of steel, stainless steel, or rubber materials. The grinding is carried out through impact and attrition of the balls as the cylinder rotates, and the material is fed through the hollow shaft. Ball mills have advantages such as low installation cost, low production cost, and suitability for both batch and continuous operations. However, they also have disadvantages like high noise levels, relatively long milling times, and difficulty in cleaning. Ball mills find applications in grinding materials for industries like coal, pigments, and ceramics.
This PPT will let you know about metal casting and more specifically about the type of casting that is, Die casting, types of die casting, Cleaning of castings and inspection of casting
This document discusses various molding and casting processes, including:
1. Carbon dioxide molding process, investment casting process, shell molding process, die casting process, full molding process, and vacuum-sealed casting process.
2. It provides details on the steps and advantages/disadvantages of processes like shell molding, investment casting, plaster mold casting, and permanent mold casting.
3. References are made to keywords and websites for additional information on topics like sand casting and carbon dioxide molding.
Powder metallurgy is a process that involves producing metal powder and compacting and sintering it to form objects. It has three main steps - powder production, compacting, and sintering. Powder metallurgy allows for near-net shape production with few secondary operations and can be used to make complex parts from various alloys. Some examples where it is used include auto transmission sprockets and main bearing caps for automobile engines. The process offers advantages like net-shape production, ability to use high-melting metals, and high production rates. However, it also has disadvantages such as high powder production costs and limited part geometries.
The document discusses the casting process for hydraulic cylinder pistons. It begins by introducing pistons and their use in hydraulic mechanisms. It then describes the casting process, noting that large pistons are typically gravity die cast while smaller pistons may be sand cast. The casting process involves pouring molten metal into a mold. Further processes include lathe work to machine diameters and faces and milling holes. Pistons are widely used in engines and hydraulics.
Continue reading to know more about each stage of the casting process. The product may subsequently be subjected to various finishing processes, depending on its intended use.
The document discusses various casting processes and defects. It describes the functions of gating systems which include providing uniform feed of molten metal to the mould cavity. It also explains the components of gating systems such as pouring basins, sprues, runners and gates. Risering systems are discussed as are common casting defects like shifts, warpage, swell and blowholes along with their causes and remedies. Shell moulding, die casting, and centrifugal casting processes are also summarized.
FABRICATION OF BRIDGE GRIDER ,GLUED JOINT AT STRUCTURAL YARD AND CASTING OF ...VikingRaiders
The document provides details about the summer training completed by the author. It summarizes the key tasks completed during the training, including fabrication of bridge griders, glued joints, and casting of bridge slabs. It expresses gratitude to the guides and teachers during the training. The main tasks involved fabrication processes like layout of drawings, marking, template making, cutting, tack assembly, saw welding, inspection, drilling, riveting, and final assembly of bridge components.
Types of Metal Casting Process and it's TypesManoj Sonawane
The document provides information about sand casting as a manufacturing process. It defines key terms like pattern, core, and mold. It describes the stages of sand casting including making the drag and cope molds, pouring molten metal, and removing the casting. It notes advantages like the ability to make complex shapes at low cost, and disadvantages like rough surfaces and lower dimensional accuracy compared to other processes.
Metal casting processes involve making a mold cavity using a pattern, melting and pouring metal into the mold, and allowing the metal to solidify. Key steps include preparing molds, melting and pouring metal, solidification, and inspection. Casting allows intricate shapes and wide material selection. Advantages are dimensional accuracy and surface finish can be limitations but new processes address these. Patterns are models of the final casting and come in various types depending on shape, size, and molding method. Careful pattern preparation helps minimize defects in the final casting.
specimen preparation for microscopic observationdvj_gajjar
This document provides instructions for preparing a metal specimen for microscopic examination. The key steps are:
1. Mounting the specimen to facilitate handling during preparation. Thermosetting resins like bakelite or diallyl phthalate are commonly used.
2. Grinding the specimen using progressively finer grit papers or belts to create a flat, scratch-free surface. This includes coarse, fine, and polishing stages.
3. Polishing the specimen by hand or machine to achieve a mirror-like finish, using compounds with particles down to 1 micron in size.
4. Etching the polished surface with chemical or electrolytic methods to reveal microstructural details like grain boundaries otherwise not visible
bottle neck operation through critical path methodSaurav Kumar
The document provides details about the author's industrial training at Mahindra & Mahindra (Swaraj Division). It includes:
1) An overview of Swaraj Division and its various product lines and departments.
2) Descriptions of key manufacturing processes like light machine shop, heat treatment, and assembly of components like the differential, engine, and gearbox.
3) Time studies conducted using Critical Path Method to identify bottlenecks in the assembly of differential sub-assembly, rear cover, engine sub-assembly, and gearbox sub-assembly. The analyses identified specific activities as bottlenecks in each assembly process.
The document discusses various methods for manufacturing gears and threads. It describes casting, metal forming, powder metallurgy, and metal removal as common methods for making gears. Metal forming techniques include roll forming, extrusion, stamping, and coining. Metal removal techniques involve gear cutting, shaping, planing, hobbing, and broaching. The document also outlines various threading manufacturing methods such as lathe cutting, chasing, die threading, tapping, milling, rolling, grinding, casting, and whirling.
gear and thread manufacturing,metal cutting,manufacturing processes,Productio...Prof.Mayur Modi
The document discusses various methods for manufacturing gears and threads. It describes casting, metal forming, powder metallurgy, and metal removal as common methods for making gears. Metal forming techniques include roll forming, extrusion, stamping, and coining. Metal removal techniques involve gear cutting, shaping, planing, hobbing, and broaching. The document also outlines various threading manufacturing methods such as lathe cutting, chasing, die threading, tapping, milling, rolling, grinding, casting, and whirling.
This document provides information on casting processes and pattern making. It begins with an introduction and overview of casting classification and types of production systems. It then discusses specific casting processes like sand casting and rolling. Key factors for selecting a production process are outlined. The document also defines important terms in casting, describes the basic steps of making a casting, and lists common products made through casting. It discusses the casting process in detail, provides examples of components produced through casting, and notes advantages and limitations. Finally, it introduces pattern making, comparing patterns to castings, listing pattern functions and materials, and describing common pattern allowances.
The document discusses abrasive processes and broaching. It describes various abrasive machining processes including grinding, honing and lapping. It details different types of grinding processes such as cylindrical grinding and centerless grinding. It also discusses broaching machines and broaching processes. Broaching involves using a multi-tooth tool to remove material in one pass to produce internal and external features with high tolerances and production rates.
Leveraging Generative AI to Drive Nonprofit InnovationTechSoup
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Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
Walmart Business+ and Spark Good for Nonprofits.pdfTechSoup
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
This presentation was provided by Rebecca Benner, Ph.D., of the American Society of Anesthesiologists, for the second session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session Two: 'Expanding Pathways to Publishing Careers,' was held June 13, 2024.
Temple of Asclepius in Thrace. Excavation resultsKrassimira Luka
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
A Visual Guide to 1 Samuel | A Tale of Two HeartsSteve Thomason
These slides walk through the story of 1 Samuel. Samuel is the last judge of Israel. The people reject God and want a king. Saul is anointed as the first king, but he is not a good king. David, the shepherd boy is anointed and Saul is envious of him. David shows honor while Saul continues to self destruct.
3. Location
G - 506, Lodhika GIDC, Village Metoda, Rajkot – 360 021,
Gujarat, India.
Company overview
37 other countries
share in domestic metal cutting segment in FY 2012
• India +
• 12.7 %
• 24 products in 81 variants
• Their Indian operations
• 5 units : 3 in Rajkot, India and 2 in Strasbourg, France.
are ISO 9001:2008 certified
machines p.a. in India and 150 machines
Company acquired Huron Graffenstaden
• manufacture 2,500
p.a. in France.
• In November 2007,
4. Products
Entry Level Machines
5 types of Turning
Machines
1 Milling Machine
3 types of 3- Axis
Vertical Machining Centers
High End Machines
•4 types of Turning
Machines
•3 types of 3-AxisVertical
Machining centers
•1 Horizontal Machining
Center
•6 types of 5-Axis Vertical
Machining centres
7. 1. LASER cutting machine
Trumpf machine of Germany having Laser cutting technology.
It is semiautomatic type and only loading and unloading of sheet
all done by machine itself according
is done,
to program
other operations are
given to it.
2. Bending machine
True band 5050
Trumpf CNC press brake machine
3. Robotic welding machines
4. Grinding equipments
8. First sheet is cut by Laser cutting CNC machine which cuts
the sheet to the required size.
Then sheet is bent to the required shape in bending
machine.
spot welding is done to attach number of
After
sheets
bending
together.
Before dispatching the sheet to the assembly unit grinding
of sheet is done.
11. process followed by Cathodic Electro Deposited
and conveyor zed baking with powder coating
7 tank pre-treatment
(CED) primer coating
booths.
4 powder coating booths for different colours.
satisfy the aesthetic & protective requirements of customers.
Pre-treatment Plant:
per hour.
It has capacity of
Each basket with of the substrate to be treated.
Basket size is 3000
Maximum weight per
2 baskets
50 sq mtr
× 2500
basket
× 2300 mm.
is 2500 kg.
coating booths, one baking oven and overhead
Powder coating plant
It consists of 4 powder
14. FOUNDRY
Casting process body parts of CNC
machine like CNC bed, tail stroke,
is used to make the main
turn-table, saddle, etc.
Basic process for casting is described below :
Sand Mixing
• First of all, It all
preparation of sand.
sand
starts with the
They use
and 15%
85% of recycled
of fresh sand.
• it is prepared by mixing of
viz. Resin
special kind of additives
and Catalyst at particular
temperature.
• Special
automatic
OMEGA company
sand mixer is used in
15. • A sand mold is formed by packing sand into each half of
The sand is packed around the pattern, which is a
the mold.
replica of the external shape of the casting.
• When the pattern is removed, the cavity that will form the
casting remains.
• Any internal features of the casting that cannot be
the pattern are formed by separate cores which are made
formed by
of
sand prior to the formation of the mold.
• It takes 45 minutes to get completely mixed and set over the
pattern. In a mould box a pattern is kept over which the
prepared sand up.
• Now that box
is filled
is carried to the roll over machine
manufactured by OMEGA manufacturers.
• This machine turns the mould box upside down and separates
the mould with the pattern.
Mould Making
16. • After separation, mould is further carried away to the
painting or coating machine and the separated pattern
returns to be used again for the preparation of similar
kinds of moulds.
• A roller
the coating
is provided which takes mould from roll over to
machine.
• Coating is carried out either by machine or manually. If
to be coated is less, it is okay to go with
the portion
the manual coating and if the portion to be coated is
to go for machine coating.
more,
• This
one has
water based graphite coating helps in easy
separation after the molten metal is being poured.
• The next comes to the path is drying of the
thing
for which it is kept in the oven.
• drying upper and lower part is being assembled
mould
After
which is known as cope and drag assesmbly.
18. Once the mold has
molten metal to be
been made,
poured.
is first lubricated to
it must be prepared for the
facilitate
• The surface of the mold cavity
the removal of the casting.
• Then, the cores are positioned and the mold halves are
closed and securely clamped together.
halves remain securely closed
• It is essential that the
to prevent the loss of
mold
any material.
Clamping
19. • Induction
metal.
• Pig Iron, steel scrap, runners and
risers are used as a row material for
melting.
• Generally the temperature of molten
metal
• Jyoti
goes upto 1430
has two 3
̊C.
tons capacity
induction melting furnace and
tons capacity induction furnace
one 10
for
holding the molten
• According to %
metal.
ratios of carbon,
silicon and magnesium pig iron, steel
scrap is used in melting.
• Special also used to
achieve
additives are
particular property.
Melting of Metal
furnace is used to melt the
20. • The molten
set temperature in a
metal is maintained at a
furnace.
• After the mold has been clamped, the
molten metal can be ladled from its
furnace and
holding container in the
poured into the mold.
• The pouring can be performed manually
or by an automated machine.
• Enough molten metal must be poured
channels
to fill the entire cavity and all
in the mold.
• The filling time is very short in order
to prevent early solidification of any one
part of the metal.
• Inoculate is added at the time of
Pouring
21. molten metal poured into the mold will begin to
• The
cool
that
and solidify once
is
it enters
• When the is filled
the cavity.
and
entire cavity
final shape of the casting
solidifies, the
• It is allowed 24-48 hours of cooling.
• The mold can not be opened until
the molten metal
is formed.
the cooling time has
elapsed. The desired cooling time can be estimated based
upon the wall thickness of the casting and the temperature
of the metal.
of the possible defects occur are a result of
some
that can
of the molten metal cools
• Most
the solidification process. If
too quickly, the part may exhibit shrinkage, cracks, or
incomplete sections.
Cooling
22. • After
time
the predetermined solidification
has passed, the sand mold can
simply be broken, and the casting
removed.
• This step, sometimes called shakeout,
is typically performed by a vibrating
the sand and
machine that shakes
casting out of the flask.
• Then runner and risers are removed
by hammering.
• In Jyoti, there
above knock off
is a dust collector
machine.
Removal of casting
23. • After removal of casting
chamber, in which steel balls of
it goes into shoot blasting
very small diameter
is imparted on the casting.
• Shot blasting removes the any remaining sand,
especially from internal surfaces, and reduce
surface roughness.
the
• In Jyoti, there blasting furnace, one is
are 2 shoot
automatic and one is manual.
Fettling
24.
25. • During cooling, the material from the channels in
the mold solidifies attached to the part.
trimmed
• This excess material must be
casting either manually via
from the
cutting or sawing, or
using a grinding and trimming process.
time required to the excess material can
• The
be estimated from
envelope. A larger
size of
will require a
the casting's
longer
grinding and trimming
trim
the
casting
time.
• The scrap material that results from this trimming is
either discarded or reused in the sand casting
process. However, the scrap material may need to
be reconditioned to the proper chemical composition
before it can be combined with non-recycled metal
and reused.
Grinding and Trimming
26. • Heat treatment
increase hardness of casting
process is used to
or
stress relieving.
casting
for
• In this process,
at particular temperature
particular time and then
is heated
for
it is
cooled down.
• Temperature, and cooling
time
the properties of
rate decide
casting.
Heat treatment process
27. • Patterns
the requirements.
general wooden pattern
are made up of many different materials
over here
as per
which
• In
is cheap in coast as well
is being used
as long lasting.
• For the complicated parts aluminium metal is being used.
• Thermocole is preferred if the pattern is going to be used
for only once.
Pattern making
28. Inspection tests
mold
• Strength of sand
• Tensile strength of casting
• Metallurgy of casting
• Chemical compositions of scrap.
Different
• Ultimate
• Polishing
tools for inspection
tensile strength machine
machine
• Impact testing machine
• spectrometer
Inspection Lab
30. ASSEMBLY LINES & TYPE OF LAYOUT
Assembly unit is mainly divided into three lines:
line
line
line including ATMs
1)HM
C
2)TMC
3)VM
C
Fixed
position layout to assemble
different CNCs. In this,
is used
after fixation of leveling
points, all the other mountings are done at
same position.
The sub-assembly required in the machinery is
carried out in different department.
31. Assembly of DX-150 AND DX-250
Head-stock :
It supports
mechanism.
chuck and its
It has
system which
de-clamps of
clamps
work-
and
piece.
32. Tail-stock:
It contains the supporting
supporting elements i.e.
i.e. quill
Turret assembly: It is the
part of machine which has
tools to work on job.
Generally it has ten to twelve
tools.
34. Electrical panel : It contains lots of electrical and
electronic devices which leads it to automatic.
automatic.
35. Motors :
There are four different motors.
1) One for revolving of chuck (induction motor)
2) another two for ball-screw (servo motor) (motion in X
(motion in X and Z axis)
3) One motor for revolving of turret. (servo motor)
motor)
36. Pumps : There are two pumps in DX-250 and DX-150. One is for
hydraulic oil transmission and the other is for coolant circulation.
coolant circulation.
Outer sheet metal body : It provide safety to user and gives good
looks.
Coolant circulation system : This system circulates coolant which
aims to cool down the working area and also directs th removal of
37. Hydraulic pressurized oil system : There is oil sump which
contain pressurized oil and one pump for circulation. One
circulation. One most important component for hydraulic
hydraulic system is solenoid valve. There are two valves
two valves require for it. Each solenoid valve is electrically
is electrically controlled for oil circulation.
38. Lubrication system :
This system is require to reduce friction and increase efficiency.
increase efficiency.
Lubrication is provided in two X and Z axis ball-screw and L.M.
screw and L.M. through metering cartridge.
Lubrication is also provided in tailstock sleeve.
39. STEPS OF ASSEMBLY
Base assembly
set the bad on level pad
3 point leveling system by spirit level
Attach the L.M. guide ways on base with nut and bolts
40. using AUTO-
by means of straight
Set the guide ways linearly
COLLIMETER
check the parallelism of it
edge(linear dial)
This is very important test as saddle is mounted
on it. So, it must be perfect.
Z-axis ball screw assembly mounting
X-axis saddle and ball screw mounting
After that saddle is mounted on CNC bed with
the help of hoists
Tail stock assembly
L.M. guide is fixed
available in assembly unit.
and same process is carried
out as saddle ball screw assembly
41. Head stock assembly
fixed by hoist and alignment is done by dial gauge
gauge
squareness test is carried out for x-axis bolt-screw.
42. hydraulic oil system is fitted with its all mountings like oil
sump with nitrogen gas accumulator, solenoid valves, pipe.
43. THERE ARE SEVERAL TESTS USED IN ASSEMBLY,
AS DESCRIBED BELOW.
GEOMETRICAL TEST
SQUARENESS TEST
LASER TEST
BALL BAR TEST
PRACTICAL TEST
COOLANT TRIAL
ELECTRICAL FINAL TEST
FINAL INSPECTION
PRE DISPATCHED INSPECTION
45. Shop and sub-section
Machining shop is located at Unit-1 of company
premises.
Total 7 Sub
Machining
Machining
Machining
Sections :
shop-1
shop-2
shop-3
Grinding
Grinding
shop-1
shop-2
A quality control and
Raw material inlet & dispatch area
measurement laboratory.
46. PROCESSES
The components made from
to give them accurate size and
casting process,
shapes.
parts
are machined
to give
Following operations are carried out on raw
them desired finish and accuracy:
Turning
Facing
Milling
Grinding
Drilling
Boring etc.
47. Parts being machined
Following parts are machined at the machining unit:
• Bearing covers
parts
shaft
• Tool
• Jigs&
• Main
• Work
• Bed
sockets
fixture
spindle
table
of CNC
Some of the
machines
parts are imported from the outside vendors
48. Machining shops features
Main attractions of machine shops at
5 phase CNC machining
Head positioning changer
Jyoti:
centre
and multi tool ATC.
the best Machining center having
One of
APC with 60 tools
Horizontal
ATC.
Controller by ‘Siemens pt. Ltd.’ or ‘Fanuc’
Programming
Higher quality & productivity machines
49. Unique Features
Due to
difficult to locate m/c
uneven mass its
on
3
4
points
point location is tedious
and requires patience
Easy to locate
moreover leads
on 3 point
to no
stress or twisting
50. Unique Features
TRIM :
Use of high torque integral
servo motor
Replacements of complex
mechanical components like
worm and worm wheel
Torque transmission is direct
to motor hence perfect
51. Machine companies and models
unit is
of mother machinery at machining
of the machines are manufactured by Jyoti
Although a significant amount
from foreign companies, many
itself.
Some other manufacturing companies of mother machines are:
Huron pvt. Ltd.
Nicola correa
DMC ltd.
SNK machines
Here are
• VMC
some model no. of machines used at machining shop:
-640
• DX-250
• ATM-160
• VMC-430
54. Grinding shops
All the critical parts are finished using various CNC grinding machines.
It gives finest accuracy finishes to the machine parts that is in perfect tune with
mission of the company.
Grinding Shops consists of:
Cylindrical grinding CNC m/c
Rotary horizontal-spindle surface grinding
Rotory vertical-spindle surface grinding CNC m/c.