Pipe Thread Cutting Machine -Mechanical Project

Pipe Thread Cutting Machine -Mechanical Project


In ordinary hand threading the tap may be shaken so that thread may not be formed correctly. The thread may be formed in angular position. There is also a change for the breakage of tap. So a skilled person is need for tapping. This process is also taking more time. The same conditions apply for threading also. With the use of this machine, all this disadvantages can be avoided. Even an unskilled person can be making a thread by using this machine. By just setting the work piece in the chuck, the thread can be formed easily by rotating the hand wheel. The time consumed is very less. Both internal and external thread can be formed accurately by using this machine. Suitable sized tape and die sets are used to form the required internal and external thread respectively.


The most important element of any machine is screw threads without screw threads. There can not be any development in the field of engineering. Even machine tools operated by computers. Lead screw threads for moving different slides. The size of screw threads for different purposes varies a fraction of mm to as high as 300 mm. These screw threads are made in quantities from one to several millions. Some screws are to be very accurate and some screws can be very rough. A number of processes are available for manufacturing screw threads. The correct process is selected so that the required quantity and quality of screw threads are produced at the lower cost. Those basic processes are used in the manufacture of threads. They are casting process can be used for producing both external and internal threads. Die casting or investment casting methods are used for producing screw threads in plastics.
Diagram And parts Of Pipe thread Cutting Machine
Diagram And parts Of Pipe thread Cutting Machine

Metal cutting process like thread milling, thread grinding and thread chasing are used for producing large variety of screw threads in different sizes. Thread rolling process is used in the mass production of screw threads in ductile materials. Only external threads can be produced in this process. The process is generally restricted to produce simple threads in standard forms.
In this machine the work is threaded by holding the work piece in three jaw self – centering chuck. The tool is held in the adapter. The adapter is fitted on the hallow shaft. By giving force and turning the handle the spindle moves towards the work piece. By moving this external thread is formed on the work piece. After the formation of thread, the handle is rotated in the reverse direction; the die is removed from the work piece.


1. Accurate threading can be done
2. Setting and operating time is less
3. Number of skilled labour is less
4. Centering of work is easy
5. Both internal and external treading can be done
6. It is used for mass production.


1. Only single start thread can be done.

2. Threading can be done by upto 1”.

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Sachin Thorat

Sachin is a B-TECH graduate in Mechanical Engineering from a reputed Engineering college. Currently, he is working in the sheet metal industry as a designer. Additionally, he has interested in Product Design, Animation, and Project design. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos.

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