IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Conceptual design of injection mould tool for main body part of an air inflatoreSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
Innovative concept of coiling machine integrated with rolling mill to replace...eSAT Journals
Abstract: Building Construction Involves Use Of Stirrups To Give Strength To Columns And Beams And Are Widely Used In Various Shapes In Steel Reinforcement. It Is Regular Practice To Make Stirrups On Construction Sites. Existing Engineering Standards Recommend Use Of Continuous Helical Coil For Better Strength Of Structure But It Is Having A Very Rudimentary Level Of Technology. Hence This Work Focuses On Developing A Coiling Machine As An Integrated System Of The Rolling Mill Where The Steel Bars Are Produced. The Integrated Coiling Machine Will Overcome Almost All Problems And Limitations Associated With Manual Stirrup Making And Even Of Semiautomatic And Full Automatic Stirrup Making Machines. This Paper Embarks On Integration Of Stirrup Making Activity With Rolling Mill So As To Take The Advantages Of Plastic Deformation Of Steel At Elevated Temperature, Imbibing The Metallurgical And Mechanical Properties And Eliminating Residual Stresses Compared To Todays Stirrup Making Practices. Key Words: - Stirrup, Rolling Mill, Helical Coil, Coil
MULTI PURPOSE HYDRAULIC MACHINE PROJECT Chirag Patel
this is PPT of B.Tech project of
MULTI PURPOSE HYDRAULIC MACHINE
see the video on this link => https://youtu.be/JsXd869-aaY
for more contact 9898398625
Conceptual design of injection mould tool for main body part of an air inflatoreSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
Innovative concept of coiling machine integrated with rolling mill to replace...eSAT Journals
Abstract: Building Construction Involves Use Of Stirrups To Give Strength To Columns And Beams And Are Widely Used In Various Shapes In Steel Reinforcement. It Is Regular Practice To Make Stirrups On Construction Sites. Existing Engineering Standards Recommend Use Of Continuous Helical Coil For Better Strength Of Structure But It Is Having A Very Rudimentary Level Of Technology. Hence This Work Focuses On Developing A Coiling Machine As An Integrated System Of The Rolling Mill Where The Steel Bars Are Produced. The Integrated Coiling Machine Will Overcome Almost All Problems And Limitations Associated With Manual Stirrup Making And Even Of Semiautomatic And Full Automatic Stirrup Making Machines. This Paper Embarks On Integration Of Stirrup Making Activity With Rolling Mill So As To Take The Advantages Of Plastic Deformation Of Steel At Elevated Temperature, Imbibing The Metallurgical And Mechanical Properties And Eliminating Residual Stresses Compared To Todays Stirrup Making Practices. Key Words: - Stirrup, Rolling Mill, Helical Coil, Coil
MULTI PURPOSE HYDRAULIC MACHINE PROJECT Chirag Patel
this is PPT of B.Tech project of
MULTI PURPOSE HYDRAULIC MACHINE
see the video on this link => https://youtu.be/JsXd869-aaY
for more contact 9898398625
Works on the principle of slider-crank mechanism with flywheel, motor and a pulley attached to it.
1. The machine can solve the problem of time consumption.
2. Waste of resources in face of labor cost is reduced.
3. The machine can be used in the industry where it is manufactured, at the packaging sector.
4. And it is used as hardware in large quantity like in fabrication of machine
5. It provide alternative for industries aiming toward reducing human effort
6. It generates sustainable and practical automation solutions for the future industrial development.
DESIGN AND FABRICATION OF POKA YOKE PNEUMATIC FIXTURE FOR MILLING AND SHAPER ...Shubham Dhaneshree
Objective of our project is to Design and fabricate a Poka yoke(Mistake Proofing) pneumatic fixture for the milling and shaper machine for the industrial purposes and make practical implementation of the 3-2-1 principle (Six pin method) of locating of work piece.
in this u will come to know about various processes involved in manufacturing of gears and also get the experience how to make slide show on training reports.
Design, development and fabrication of a low cost corn deseeding machineeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Centrifugal Iso-finishing for Additive Manufactured PartsDDaveDavidson
Centrifugal Iso-Finishing is a high-energy, high-quality, high-speed hands-free mechanical method for deburring, finishing and polishing of 3D printed (additive manufactured) parts as well as coventional subtractive manufactured parts. High Centrifugal force is utilized to accelerated process cycle times and make use of smaller dimensioned media to access intricate and complex part shapes. Useful for hand-deburring minimization and for developing low-micro-inch polished surfaces. Centrifugal Iso-Burnishing can be used for developing compressive stress in part surfaces on the order of that achieved by shot peening making parts much more resistant to fatigue failure or fracture. Plateaud or planarized surfaces improve bearing load capacity of cooperating parts with more wear resistance and improved tribological properties. FREE sample part finishing available, Contact Dave Davidson at ddavidson@deburring-techgroup.com. SEE ALSO https://dryfinish.wixsite.com/iso-finish
Works on the principle of slider-crank mechanism with flywheel, motor and a pulley attached to it.
1. The machine can solve the problem of time consumption.
2. Waste of resources in face of labor cost is reduced.
3. The machine can be used in the industry where it is manufactured, at the packaging sector.
4. And it is used as hardware in large quantity like in fabrication of machine
5. It provide alternative for industries aiming toward reducing human effort
6. It generates sustainable and practical automation solutions for the future industrial development.
DESIGN AND FABRICATION OF POKA YOKE PNEUMATIC FIXTURE FOR MILLING AND SHAPER ...Shubham Dhaneshree
Objective of our project is to Design and fabricate a Poka yoke(Mistake Proofing) pneumatic fixture for the milling and shaper machine for the industrial purposes and make practical implementation of the 3-2-1 principle (Six pin method) of locating of work piece.
in this u will come to know about various processes involved in manufacturing of gears and also get the experience how to make slide show on training reports.
Design, development and fabrication of a low cost corn deseeding machineeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Centrifugal Iso-finishing for Additive Manufactured PartsDDaveDavidson
Centrifugal Iso-Finishing is a high-energy, high-quality, high-speed hands-free mechanical method for deburring, finishing and polishing of 3D printed (additive manufactured) parts as well as coventional subtractive manufactured parts. High Centrifugal force is utilized to accelerated process cycle times and make use of smaller dimensioned media to access intricate and complex part shapes. Useful for hand-deburring minimization and for developing low-micro-inch polished surfaces. Centrifugal Iso-Burnishing can be used for developing compressive stress in part surfaces on the order of that achieved by shot peening making parts much more resistant to fatigue failure or fracture. Plateaud or planarized surfaces improve bearing load capacity of cooperating parts with more wear resistance and improved tribological properties. FREE sample part finishing available, Contact Dave Davidson at ddavidson@deburring-techgroup.com. SEE ALSO https://dryfinish.wixsite.com/iso-finish
This Presentation gives the information of Manufacturing process-1 of Mechanical Engineering course as per VTU Syllabus. Please write to me at: hareeshang@gmail.com for suggestions and criticisms.
Disclaimer:
Contents are taken from several text books and compiled for academic purposes only. Author doesn't hold the copyright for the contents used in this presentation.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Pi controller based of multi level upqc using dq0 transformation to improve p...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Emission analysis of bio diesel blends on variable compression ratio engineeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Mould flow and structural analysis of injection mould tool for hooter body co...eSAT Journals
Abstract Injection moulding is process of manufacturing plastics products from both thermo and thermosetting plastic materials. This paper presents the part modeling, design of core-cavity and side core by using SOLID WORKS 2012, the mould flow analysis is carried out by MOLD FLOW ADVISOR 2105 and static structural analysis performed using ANSYS V14.5. The mould tool is of single cavity mould and material planned for producing the component is polypropylene (pp) Keywords: injection moulding, core-cavity, plastic material, mould flow and static structural analysis.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
A Design and Analysis of Two Plate Injection Mould Tool For Wi-Fi RouterTherm...EditorJST
This A Wi-Fi router is a device that performs the function of a wireless access point, it is used to provide
access to the internet or a private computer. It is the hardware device that provide basic infrastructure for a home
or small office network.Proposed to make a single impression semi-automatic family mould to design top and
bottom cover for Wi-Fi router to make it more aesthetic, to reduce material cost, better heat dissipation, and to
reduce the tooling cost, to make the product more competitive in the market.It is proposed select the suitable plastic
material, to modify the existing plastic product design and to develop a suitable two plate family mould of one
impression each using SIEMENS NX software. It is also proposed to make detailing of mould parts and its assembly
for manufacturing using SIEMENS NX software. The analysis was done in AUTODESK MOLDFLOW. The mould
cost, raw material cost and processing cost per component are to be estimated to find the cost per component and to
compare it with the existing component part.
DESIGN OF MOULD TOOL & COOLING CHANNEL OPTIMIZATION OF REMOTE CONTROL TOP PANELIjripublishers Ijri
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are
typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic,
most commonly derived from petrochemicals, but many are partially natural.
Molding is the process of manufacturing by shaping liquid or pliable raw material using a rigid frame called a mold or
matrix. This itself may have been made using a pattern or model of the final object.
Cooling channels are used in mold tool to reduce the temperature of the object to help molten material to solidify quickly
before the ejection. It is quite useful to increase the production rate.
DESIGN OF MOULD TOOL & COOLING CHANNEL OPTIMIZATION OF REMOTE CONTROL TOP PANELIjripublishers Ijri
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are
typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic,
most commonly derived from petrochemicals, but many are partially natural.
Molding is the process of manufacturing by shaping liquid or pliable raw material using a rigid frame called a mold or
matrix. This itself may have been made using a pattern or model of the final object.
Cooling channels are used in mold tool to reduce the temperature of the object to help molten material to solidify quickly
before the ejection. It is quite useful to increase the production rate.
The aim of this project work is to design mold structure and optimize cooling channel system to reduce effect of warpage
of remote control top panel.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Conceptual design of transfer mould tool for rubber bumper springeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Design of ‘plastic injection mold’ for an ‘air vent bezel’ through flow analy...eSAT Journals
Abstract Designer's of plastic injection Molds need to study from this point of view, the type of Mold to be designed, the physical Mold orientation, the dimensions for each of the element in the Mold, the location of the gate, runner, requirement of insert, draft angle requirement, shrinkage factor, location of cooling channels. Design can also be simplified by using standardized parts of the mold such as ejector pins. By eliminating the obstruction to smooth flow of plastic a good of quality component can be achieved. The effort of this thesis work is to find out the nuances in the Plastic Injection Mold Design while borrowing the inputs from the Flow Analysis (CAE) conducted for the 'Air vent bezel' to study the behavior of the Melt during flow. The Mold Design would incorporate suitable checking to ensure the best quality product in terms of `defect-free’ output. This thesis work consist methodology of plastic injection molding process, material requirement, how to overcome weld mark, shrinkage etc to satisfactorily assemble the component. Keywords: Draft angle, Shrinkage, CAE, weld mark
Analysis and design of mold for plastic side release buckle using moldflow so...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Integrating flow simulation for injection moulding component basetta tu baseeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
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About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
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Conceptual design of injection mold tool for the chair hand rest component
1. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
__________________________________________________________________________________________
Volume: 03 Special Issue: 03 | May-2014 | NCRIET-2014, Available @ http://www.ijret.org 791
CONCEPTUAL DESIGN OF INJECTION MOLD TOOL FOR THE CHAIR HAND REST COMPONENT Sampath.A1, Hemanth.R2 1Dept. of PG studies, Govt. Tool Room & Training centre, Mysore, Karnataka, India-570016. 2Dept. of PG studies, Govt. Tool Room & Training centre, Mysore, Karnataka, India -570016. Abstract Plastic products are having high demand in this modern world, these plastics are processed by various methods depending upon the type of the plastic used. Here the Injection moulding is a process where molten plastic material is forced under pressure into a mould tool where it is solidified and ejected when the tool opens the two halves of the mould. This paper presents the Conceptual Design of Plastic Injection Mould Tool for Chair Hand Rest. The mould tool is of two cavity mould. The material used for the processing of the component is Polypropylene (PP). The technique is incorporated to produce a light weight with good quality component considering the ease of manufacturability, Tool design and development is a specialized and critical area. The tool design should match the machine specification and should be accurate and economical for successful life of a component or product assembly and Positive ejection of the component within the minimum possible time and cost. Keywords: Injection moulding, Product design, Pin ejection.
-----------------------------------------------------------------------***---------------------------------------------------------------------- 1. INTRODUCTION Injection moulding is one of the manufacturing processes which have a great demand in the market for the plastic products. The designer must consider the performance of the machine, process and material constraints as well. It involves a practical knowledge component about areas of customer needs. Thermoplastics have increasingly replaced conventional materials in a wide range of consumer and industrial products due to their relative strength, ease of manufacturing, and service requirements. Most thermoplastic materials are processed the injection moulding process due to its ability to quickly form complex and precise parts. Pressure is usually maintained after the initial filling to force additional material into the cavity while the polymer melt cools and solidifies, thereby increasing dimensional stability and part performance. Once the melt has solidified, the mold opens and the part is ejected. [3][6] Fig- 1: Injection molding machine
2. INJECTION MOULDING CYCLE
The injection moulding process in which the plastic polymers are feed through hopper, from there it is sent to the barrel which is then heated with the sufficient temperature to make the plastic flow, then the molten plastic material will be injected under high pressure into the mould tool, this process is commonly known as Injection, the tool is clamped rigidly depending upon the injection pressure that will be applied to both platens of the injection moulding machine in order to hold the mould tool together. After a few seconds the product is set to cool which helps it in the solidification process. The product gets its shape the two platens will be opened for the ejection of the component this separate of the mould tool is known as mould opening and finally the moulded product is ejected or removed from the mould. And the process will repeat itself.[1] The moulding cycle followed by closing and opening of the mould. The injection unit melts the polymer resin and injects the polymer melt into the mould. The ram fed injection moulding machine uses a hydraulically operated plunger to push the plastic through a heated region. The molten material converges at a nozzle and is injected into the mould tool. The melt is forced into the mould in two or three stages:
Stage 1: Fill stage
During this stage, the molten resin fills the mould cavities. As the material is forced forward, it passes over a spreader, within the barrel, which causes heating and mixing. In this stage the Injection velocity of the plunger moves forward.
2. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
__________________________________________________________________________________________
Volume: 03 Special Issue: 03 | May-2014 | NCRIET-2014, Available @ http://www.ijret.org 792
Stage 2: Pack stage
As the molten material enters the mould, it cools and
solidifies. The pack stage is necessary to force more material
into the mould to compensate for solidification.
Stage 3: Hold stage
When no more material can be forced into the mould, melt can
still leak back through the gate. The hold stage applies forces
against the material in the cavity until the gate freezes to
prevent leaking of the melt.
In some machines, pack and hold are combined into a single
second or holding stage. [3], [4]
Fig- 2: Injection molding cycle
3. METHODOLOGY
Component is modeled using the software Solid Works. The
attempt to design a mould tool which can be manufactured &
the other details of the model is shown below.
Fig- 3: Component model
For the above component (Chair Hand Rest) PP
(Polypropylene) is used for the production of the component.
PP is light weight & ability to be injection molded.
4. PROPERTIES OF POLYPROPYLENE.
Component name Chair Hand Rest
Material Polypropylene
Shrinkage 1.5 %.
Density of the material 0.9g/cm^3
Volume of component 70945mm^3
Weight of the component 64gms
Number of cavities Two cavity mould
Maximum wall thickness 3mm
Mould type Two cavity mould tool
The following are some commonly used design elements in
the above shown component:
Ribs
Unequal wall thickness.
5. BASIC DESIGN OF INJECTION MOLD TOOL
Various design considerations had been applied in the design.
The mould is designed based on the platen dimension of the
plastic injection machine used. There is a limitation of the
machine, which is the maximum area of machine platen is
given by the distance between two tie bars. Therefore, the
maximum width of the mould plate should not exceed this
distance.
Factors to be considered during designing of injection
moulding tool
Design and material of components
Number of components required
Selection of Injection moulding machine
Number of cavities
Type of tool
Selection of parting line
Positioning of core and cavity
Ejection system
Designing of layout
Fool proofing arrangements
Cooling elements
Tool life
6. INJECTION MOULD TOOL
The injection mould consists of three assembly units that is 1)
Fixed half of the tool 2) Movable half of the tool and 3) The
Ejector Assembly. And here the two plate mould is been used.
The fixed half of the tool is been clamped to the machine bed
where the locating ring locates the sprue to machine nozzle.
And the other is been clamped to the movable side of the
machine and in this the ejector assembly will be towards the
same side. When the tool is closed the molten material is fed
by the machine nozzle to sprue and the channels (runners and
gates) are done in the tool for the material to flow into the
cavities as per the requirement. (3)
3. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
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Volume: 03 Special Issue: 03 | May-2014 | NCRIET-2014, Available @ http://www.ijret.org 793
Fig-4: Two Plate Mould Tool
The two main components of the mould tool are Core and the
Cavity. When the two halves of the tool is closed a parting line
is generated at the parting surfaces of the tool, where the core
and cavity meets and the gap between them is found for the
component to be filled with the molten plastic. The mould
comprises of Core, Cavity, Backing plates for core and cavity,
Spacers, Feeding systems, Ejection system: ejector pins,
ejector plate, ejector back plate, ejector guide bush and guide
pillars, Top and bottom plate, Mould cooling items, Return pin
and rest pads.(7)
7. CORE AND CAVITY.
Mould separate into two halves called the core and the cavity
as shown in Fig 4 & 5 to permit the part to be extracted. In
general the shape of a part must not cause it to be locked into
the mould.[1][2]
Fig-5: Core
Fig- 6: Cavity
8. EDGE GATE
Edge gate is a general purpose gate and simplest form is
merely a rectangular channel machined in one mould
Plate to connect the runner to the impression and it is easy for
de-gating and material savings.[3][6]
Fig- 7: Edge Gate
9. EJECTION SYSTEM.
An ejection system is one of the important factor in the design,
here the separate consideration to be give for the ejection of
the component from the mould tool. On cooling the moulded
component will shrink onto and remain on the core or moving
half when the mould opens.
This comprises of a:
Hydraulic actuator
Ejector plate
Ejector pins
Here Pin ejection unit will be employed for the ejection of the
component. [6]
9.1 Ejection
Pin Ejection is the simplest method that are very effective and
usually more efficiently used, wherever they can be used
where there is a area possible during ejection. These moulds
remove the component from the core by moving the solidified
component which sticks to the core. Typical applications are
longer, square or rectangular boxes.
Fig- 8: Pin Ejection
4. IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308
__________________________________________________________________________________________
Volume: 03 Special Issue: 03 | May-2014 | NCRIET-2014, Available @ http://www.ijret.org 794
10. CONCLUSIONS The work, deals with the Conceptual design of injection mould tool for Chair Hand Rest. The Two Plate mould design and Pin ejection will make it possible to produce high quality product at minimum cost. The End product will be produced with less number of defects with good quality and good finish. REFERENCES [1]. S.H.Tang, Y.M.Kong, S.M.Sapuan, “Design and thermal analysis of Plastic Injection Mold Tool.” Sep-2004 [2]. Lyudmila Dulebove, “Optimization of Injection Moulding Manufacturing For automotive Injection” 2012 [3]. Injection Mould Design, R.G.W. Pye. [4]. Technical Directory on Design and Tooling for Plastics, CIPET. [5]. The Mould Design Guide by Peter Zones. [6]. Injection Mould Design, Rapra. [7]. “Materials for Injection Moulding”, Branislar Dublea, Frantisek – 2012.