Broaching is a machining process where a broach tool with multiple cutting teeth is pushed or pulled through a workpiece to cut it into the desired shape. Broaching provides good dimensional accuracy and surface finish. There are different types of broaching machines like horizontal, vertical pull, continuous, and rotary table machines. Broaching is used to manufacture precision components like bearing caps, gears, and splines. It provides interchangeability but the initial costs of broaches and machines are high.
A tool that has a single point for cutting purpose is called single point cutting tool. It is generally used in the lathe machine, shaper machine etc. It is used to remove the materials from the workpiece.
Fundamentals of Metal cutting and Machining Processes
MACHINING OPERATIONS AND MACHINING TOOLS
Turning and Related Operations
Drilling and Related Operations
Milling
Machining Centers and Turning Centers
Other Machining Operations
High Speed Machining
Mechanics of chip formation, single point cutting tool, forces in machining, Types of chip, cutting
tools– nomenclature, orthogonal metal cutting, thermal aspects, cutting tool materials, tool wear,
tool life, surface finish, cutting fluids and Machinability
Honing is an abrasive machining process that produces a precision surface on a metal work piece by scrubbing an abrasive stone against it along a controlled path.
Honing is primarily used to improve the geometric form of a surface, but may also improve the surface texture.
MILLING – Cutting parameters, machine time calculation
Milling operation – Plain milling, side & face milling, form milling, gang milling, end milling, face milling, T slot milling, slitting
GEAR CUTTING – Gear cutting on milling machine – dividing head and indexing method, gear hobbing, principle of operation, advantages & limitation, hobbing tech, gear shaping, gear finishing process
A tool that has a single point for cutting purpose is called single point cutting tool. It is generally used in the lathe machine, shaper machine etc. It is used to remove the materials from the workpiece.
Fundamentals of Metal cutting and Machining Processes
MACHINING OPERATIONS AND MACHINING TOOLS
Turning and Related Operations
Drilling and Related Operations
Milling
Machining Centers and Turning Centers
Other Machining Operations
High Speed Machining
Mechanics of chip formation, single point cutting tool, forces in machining, Types of chip, cutting
tools– nomenclature, orthogonal metal cutting, thermal aspects, cutting tool materials, tool wear,
tool life, surface finish, cutting fluids and Machinability
Honing is an abrasive machining process that produces a precision surface on a metal work piece by scrubbing an abrasive stone against it along a controlled path.
Honing is primarily used to improve the geometric form of a surface, but may also improve the surface texture.
MILLING – Cutting parameters, machine time calculation
Milling operation – Plain milling, side & face milling, form milling, gang milling, end milling, face milling, T slot milling, slitting
GEAR CUTTING – Gear cutting on milling machine – dividing head and indexing method, gear hobbing, principle of operation, advantages & limitation, hobbing tech, gear shaping, gear finishing process
Specifications of lapping, honing and broaching machineKaran Prajapati
This slide is prepared with the collective effort of Karan Prajapati, Athar Kothawal, Yudhishthir Ramnani and Samiraj Anupam who are doing B.Tech in Mechanical Engineering at School of Technology, Pandit Deendayal Petroleum University. The presentation describes the main terms of specifications in lapping, honing and broaching machines and also explaining the respective manufacturing processes. These machines are used for super-finishing processes.
PPT IS IMPORTANT FOR FE PUNE UNIVERSITY STUDENTS FOR SUBJECT BME. DETAILED DESCRIPTION IS GIVEN ABOUT LATHE MACHINE, DRILLING MACHINE AND GRINDING MACHINE
Broaching is a machining operation in which a tool having a series of cutting teeth called broach is either pulled or pushed by the broaching machine past the surface of a workpiece. when the operation is performed on internal surfaces is called internal broaching and in case of external surface external broaching.
The drilling machine or drill press is one of the most common and useful machine employed in industry for producing forming and finishing holes in a workpiece.
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Shaper – Types of operations. Drilling, reaming, boring, Tapping. Milling operations-types of milling cutter. Gear cutting – forming and generation principle and construction of gear milling ,hobbing and gear shaping processes –finishing of gears.
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Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
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Author: Robbie Edward Sayers
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(C) 2024 Robbie E. Sayers
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It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
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This document will discuss each of the underlying technologies to create and implement an e- commerce website.
2. What is Broaching?
• Broaching is a machining operation in which a tool used is called as broach
having series of cutting teeth.
• In this operation broach is either Pulled or Pushed with the help of
broaching machine on the workpiece surface.
• Parts that is produced by the broaching have good surface finish and
dimensional accuracy.
3. BroachTool
• Broach consist of three sets of cutting teeth.They are:
1. Roughing teeth
2. Semi finishing teeth
3. Finishing teeth
4. Principle of Broaching
• When the broach is fed in a straight line, metal is cut in several successive
layer with the help of broach.
• The thickness of each layer is same and called as feed per tooth and sum of
the thickness of all the layers is called as depth of cut.
5. Broaching Machines
• Mainly broaching machines which are used in the industries are of following
types:-
1. Horizontal Broaching Machine
2. Vertical PullType Broaching Machine
3. Continuous Broaching Machine
4. RotaryTable Broaching Machine
5. Surface Broaching Machine
6. Keyway Broaching Machine
6. Horizontal Broaching Machine
• Horizontal Broaching Machines are capable of both internal and external
surfaces.
• In operation either workpiece is kept stationery and broach is fed past or broach is
kept stationery and workpiece is fed past.
• This machine has bed similar to the lathe machine.
• This machine range from 2 to 60 tones and stroke of 3m for internal broaching
machine and for external broaching machine it ranges upto 100 tones and stroke
of 9m.
7. Vertical PullType Broaching Machine
• This type of machine are available for both
pull up and pull down type of machine.
• This machine is only used for internal
broaching or hole broaching.
• In this machine we can mount more than
one broach.
• In the pull down type the workpiece is
mounted on table and the broach is
lowered to pass its front pilot through the
workpiece.
• In the pull up type, the only difference is
that the ram is provided at the top which
will carry the broach from bottom to top.
8. Continuous Broaching Machine
• This machine are available both in horizontal and vertical type.
• In this machine the broach remains stationery while the workpiece moves
continuously past.
• In this machine the workpiece are fed past on the chain which is traveling
continuously with the help of sprockets on both the end.
• The chain has a series of fixtures which will hold the workpiece.
• In this machine the workpiece is loaded on a side and unloaded on the other side.
9. RotaryTable Broaching Machine
• This machine is also used as a
Continuous Broaching Machine.
• In this machine a table is provided which
continuously rotates about a vertical
axis.
• On this the fixtures are mounted and
broach is held tightly on broach holder.
• The shape of the broach is same as of the
table.
• As the table rotates the workpieces are
loaded, machined and unloaded.
10. Surface Broaching Machine
• In this machine either workpiece or broach moves across each other.
• This machines are generally vertical and hydraulically operated.
• This machine is an alternative to milling machine so machine fixtures are
also used to hold the workpiece.
• These machines are used for large quantities of workpiece having flat
surfaces.
11. Keyway Broaching Machine
• This machine is the simplest type of machine and it can be used for general
purpose also.
• If multiple keyways or splines are to be cut the single broach can be used
with the workpiece and indexed after each other.
• This machines method is the oldest methods of all.
12. Advantages of Broaching
• Broach has a longer life than other tools.
• Broach can perform roughing and finishing operations.
• High skilled operator is not required.
• Interchangeable components can be produced at faster rate.
13. Disadvantages of Broaching
• In this process, all jobs need a fixture.
• Sharpening of broach is difficult and expensive.
• With the help of broaching, it is difficult to produce blind holes.
• Initial cost of broach and broaching machine is very high.
14. Applications of Broaching
• Broaching used for producing the variety of shapes, internal and external,
regular and irregular profiles.
• The examples of components produced by broaching are as follows:
1. Bearing caps
2. Bearing bodies
3. Cylinder blocks
4. Connecting rods
5. Gears andTurbine
6. Keyways
7. Splines