DESIGN AND FABRICATION OF PNEUMATIC VICE
Topics: Valve, Gas compressor / Pages: 4 (800 words) / Published: Mar 9th, 2015

DESIGN AND FABRICATION OF
PNEUMATIC VICE

BATCH MEMBERS: MUKESHKARTHIK.A
TAMILARASAN.V
PRASANTH KUMAR.R
NISHANTH.M
GUIDE NAME
: MR J.ARUL MANI
DEPARTMENT
: MECHANICAL ENGINEERING
COLLEGE NAME : VEL TECH(OWNED BY RS TRUST)

Abstract: Work holding and releasing is the most essential act to carry out machining. These are commonly used in the machine shop.
1. To hold the job in proper position
2. To release the job quickly
3. To hold the job rigidly
4. To prevent vibration of the job while the machining is carried out.

INTRODUCTION
There are three major types of work holding devices which are: 1. Mechanical type
2. Hydraulic type
3. Pneumatic type
In mechanical type, the screw rod is actuating the movable jaw. One end is connected to the movable jaw and it passes through a fixed type nut. When we rotate one end of the screw rod it will rotate in the nut and in turn moves the movable jaw.
Here the rotary motion is converted into reciprocating motion.
In Hydraulic type’s one end of the piston rod is connected to the movable jaw and the piston slides in the cylinder. Here the hydraulic fluid actuates the movement of the piston; this in turn actuates the movable jaw. Here the principle movement is only a reciprocating movement. Pneumatic type is same as the hydraulic type. Here instead of hydraulic fluid, air is used.

LINE DIAGRAM

Working Operation:
Initially starting with air compresses, its function is to compress air from a low inlet pressure (usually atmospheric) to a higher pressure level. This is an accomplished by reducing the volume of the air.
Air compressors are generally positive displacement units and are either of the reciprocating piston type or the rotary screw or rotary vane types. The air compressor used here is a typically small sized, two-stage compressor unit. It also consists of a compressed air tank, electric rotor and pulley drive, pressure controls and instruments for quick hook up and use. The

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