Wednesday, November 30, 2022

How does the Parallel Lathe work?

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The turnstile It is one of the most used and useful machines, because it is used to execute a large number of jobs. It is very easy to use because its tools are prepared in a very short time and in a simple way. It is the most widely used machine in small mechanical industries and repair shops.

Use of the lathe

A turnstile can do many different operations. Some of the most common are: countersigning, cylindrical turning, taper turning, parting, thread fillet cutting, form cutting, and metal cutting.

parts of a lathe

It is made up of 4 important parts: Bed, Head Assembly, Tailstock Assembly and Carriage.

The bench: It is the basis of turnstile. Supports all other elements. On the upper part of the bench are the guides. The lathes cheaper ones have flat guides. The construction of the guides varies according to the manufacturer. Some manufacturers use guides made of steel which can be replaced. Others use hardened guides that are a fundamental part of the bed section.

Head Assembly: This part is permanently attached to the bed at the left end of the lathe. It contains the spindle of the head, which rotates by means of pulleys. The spindle holds the part and rotates it. The spindles are of different qualities. As the accuracy of a work done on a lathe depends on the axis of rotation of the spindle that holds the part, this and all its accessories must be built with the greatest possible care.

Tailstock Assembly: It consists of two castings or main parts. The lower part rests directly on the guides, and the upper part rests on the first. Both parts are fastened by means of adjusting screws. The upper casting can be moved away from the operator to move the tailstock. The tailstock spindle moves in and out of the top feature part. This spindle has a tapered hole into which the tailstock or other tools such as drill bits and reamers are placed.

Car: It is the part that controls the cutting tool. It has five main parts.

  1. The cross slide support is an 11-shaped casting that fits over the bed and slides on guides.
  2. The board is attached to the carriage bracket and hangs over the front of the bed.
  3. The cross carriage is mounted on the main carriage.
  4. The composite bracket is mounted on top of the cross slide.
  5. The tool post with washer and wobble wedge slides into a T-slot in the top of the composite bracket.

parts of a parallel lathe

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