Fitting Shop Tools

INTRODUCTION OF FITTING SHOP

The term Fitting is related to the assembly of parts, after bringing the dimension or shape to the required size or form, in order to secure the necessary fit. The operations required for the same are usually carried out on a workbench, hence the work is done on the bench is called Fitting work.
Benchwork and fitting play an important role in engineering. Although in today’s industries most of the work is done by automatic machines that produce jobs with good accuracy still it requires some hand operations called fitting operations. A fitting shop worker is called Fitter.

Fitting Shop


 

 Bench Vice 

The bench vice is a holding device that is used to hold the workpiece when performing Filling and Cutting on the job. The bench vice has two jaws one is fixed (Stationary jaw) and another is movable (Sliding jaw). Sliding jaw slides over the slide face, when the handle is rotated in the clockwise direction it is subjected to the tightness by means of the thread which is mounted on the rod. The body that is not movable in any direction is called a fixed body and the lower part of the bench vice is called a base.

Scriber

Measuring and Marking Tools.

 

Hand Hacksaw

    It is a steel wire which has one end that is sharp and hardened to mark a line on the metallic piece. This is only a marking purpose.

      

 

Cutting Tools.

    Hand hacksaw 

     Hand hacksaw is a cutting tool that is used in the fitting shop for manual cutting. It has three parts, Handles, a Hacksaw frame, and a blade. The blade is made of high-speed steel or high carbon steel and the frame is made of mild steel. The blade is adjusted with the help of a wing nut. The teeth of a blade are generally forward direction. 

      Striking Tools.

    Hammers

     The tool generally used in a fitting shop for striking is called Hammer. These are used for chipping, hammering, and fitting. The weight range of the hammer is 0.25 kg to 2 kg.

Some examples of Fitting work.

 

To make a Square fit from the mild steel pieces.

 
MATERIALS REQUIRED: Mild steel flat (40*40*5mm).
 
TOOLS AND EQUIPMENT REQUIRED:
1.    6” try square

 
2.   6” scribe
 
3.   Odd leg caliper
4.  12” Hacksaw Frame
5.  10” rough file
 
6.  10” smooth file
 
7.  10” Square file
 
8.  Dot punch
 


Operations 

 
1. Filling
 
2. Marking
 
3. Punching
 
4. Sawing
 
5. Filling
 
6. Finishing
 

 PROCEDURE:

1. To check the dimensions of a given mild steel piece.
 
2. One edge of the given is filled to straightness with rough and smooth files and checked with a try square.
 
3. Adjacent is also filled such that it is square to the first edge and checked with a try square.
 
4. Wet chalk is applied on one side of the flat and dried for making.
5. The mark on the job according to a given design, using scriber or odd leg caliper and steel rule.
 
6. using the dot punch is made along the marked lines.
7. The excess materials were removed from the remaining two edges with try square level up to half of the marked dots.
 
8. Finally, buts are removed by the filling on the surface of the fitting job.
 

PRECAUTIONS:

1. Must use the try square for perpendicularity.
 
2. Finishing off the job will be always with a smooth file.
 
3. Marking is done without parallax error.
 
RESULT: The Square cutting is done successfully

NOTE:-   WHAT IS A FITTING SHOP IN HINDI

            Wire Gauge

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