A shaping machine (new)

(system) #1

[LEFT]A shaping machine is used to machine surfaces. It can cut curves, angles and many other shapes. It is a popular machine in a workshop because its movement is very simple although it can produce a variety of work.

Shaping machines come in a range of sizes but the most common size is seen opposite.

The main parts are indicated below:

The tool feed handle can be turned to slowly feed the cutting tool into the material as the ‘ram’ moves forwards and backwards. The strong machine vice holds the material securely. A small vice would not be suitable as the work could quite easily be pulled out of position and be damaged. The vice rests on a steel table which can be adjusted so that it ca be moved up and down and then locked in position. Pulling back on the clutch handle starts the ‘ram’ moving forwards and backwards.


The shaping machine is used to machine flat metal surfaces especially where a large amount of metal has to be removed. Other machines such as milling machines are much more expensive and are more suited to removing smaller amounts of metal, very accurately.

The reciprocating motion of the mechanism inside the shaping machine can be seen in the diagram. As the disc rotates the top of the machine moves forwards and backwards, pushing a cutting tool. The cutting tool removes the metal from work which is carefully bolted down.


prob: Draw a diagram of the shaping machine and explain how the quick return mechanism works?

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