The use of mechanical tools and precautions

Commonly used tools for repairing household appliances or mechanical objects include lifting, pipe wrenches, offset and screwdrivers, etc. How should we use them? The following is a detailed introduction

Here is the content list:

l Puller

l Tube clamp

l Partial mouth

l Screwdriver

Puller

The puller is a tool to decompose the pressed products on the shaft by hanging 2 points or 3 points on the center with pressure (screw, oil pressure).

Use method and precautions:

1. When using the 2-point puller tool, it is very important to put the shaft and starter screw on a line → to prevent tilting

2. Generally, it is better to use a 3-point puller when there is a 2-point and 3-point puller.

3. If there is no rotation device on the screw part of the puller tool, the starter tool should be operated after adding a small amount of oil to the shaft part.

In general, the center of the shaft is the benchmark for shaft processing and measurement. If it is considered necessary to protect the center of the shaft for future shaft repair and measurement, use JIG.

Tube clamp

A tube clamp is a tool for disassembling or assembling barrel-shaped parts.

How to use and precautions

1. Select the appropriate tube clamp tool with the appropriate specifications.

2. Make space between the movable plate and the workpiece (piping) so that they have room to adjust by loosening and tightening the round nut.

3. The first time to make sure whether the clamping, the second time to start to tighten hard.

4. If the diameter of the pipe is too large and the movable wrench contact screwing risk of falling off.

5. It is easy to be dangerous to screw in contact with the inside of the movable plate of the pipe clamp.

6. Use the pipe pliers in the pipe pliers clamped parts have pipe pliers teeth marks so can not be used on precision products.

Partial mouth

It is a tool to cut off the wire-type material and strip the wire.

Use method and precautions

1. The size is based on the overall size, (125, 150, 175m / m)

2. Use the special stripping partial mouth tool when stripping the wire.

3. After cutting off the fly out of the party should grasp the direction of the side, (dangerous)

4. For the heat treatment of springs, steel wire, etc. cut off, the partial mouth tool does not take much time.

5. The easy way to cut off is close to the center of rotation of the bias tool

6. Such as clamping the heat-treated material or clamping thicker wire with a hammer to hit the partial mouth, the partial mouth broken or cut objects popped out at high speed is prohibited to use.

Screwdriver

The tool used for disassembling or assembling small screws with +,- shaped heads is the cone.

Use method and precautions:

①The size of the screwdriver tool is indicated by the overall length

②The screwdriver is used to loosen and tighten screws of appropriate size and shape with the same screw head.

③ Use the screwdriver tool to loosen the screw head shape easy to wear, to prevent wear can not be one-handed into two hands clawed side screwing, with one hand grip the upper end of the handle to maintain vertical while pressing down hard, while using the SPANNER screwing so that the screw head easy to break

④Use a screwdriver except for NUT, BEARING, etc., to decompose the group and the tightness of the screw can not be used for other purposes.

⑤ The handle of the screwdriver should not be hit with a hammer.

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