LATHE ACCESSORIES

They are used either for holding & supporting the work or for holding the tool.


1. Centres : Included angle of dead center is usually 60 degrees for general purpose and 75 for heavy work. used to support rotating work.

• Ball center is used to minimize wear &strain , on the work while performing taper turning by set over method.

2. Carriers& catch plate : Used to drive a work piece when it is held between two centers.

• carriers are also known as driving dogs.

3. Chuks : It is work holding device.

1) Four jaw independent chuck: for prismatic jobs,heavy and irregular jobs.

2) Three jaw chuck : used for cylindrical and accurate centering.

3) Combination chuck : Used both as a self centring chuck and as an independent chuck.

4) Magnetic chuck : Used to hold very thin jobs made of magnetic material.

5) Collet chuck : it is used for holding bar stock.

6) Air or hydraulic chuck : used in mass production.

7) Drill chuck : Used to straight shrank drill,reaming etc.

4. FACE PLATE : Used for hold workpieces which cannot be conveniently held between centres or by chucks.

5. Angle plate : They are used in conjunction with a face plate.

6. Mandrel : It is a device for holding and rotating a hollow piece of work that has been previously drilled or bored.