Power tool use and safety

â… . Classification and definition of tool

1, common tools

Basically divided into hand tools , power tools, and testing tools in three categories.

2 , the definition of manual tools

A small tool that is held by hand and acts on human or other human-controlled power. For manual cutting and auxiliary decoration, we are collectively referred to as manual tools. In general, these tools have handles that are easy to carry.

3 , the definition of power tools

A mechanized tool powered by a low-power motor or electromagnet that drives the head through a transmission mechanism. Hand-held operation, we are collectively referred to as power tools.

4 , the definition of testing tools

The correct selection of measuring instruments and correct measuring methods are used to detect the size of the objects and the errors, and the data can be processed and judged to meet the requirements. We are collectively referred to as testing tools.

II . Introduction to Common Hand Tools

First, the introduction of manual tools

Common hand tools include hammers, tweezers, pliers, screwdrivers, wrenches, and diamonds.

Wrench category:

1. Wrench : One or both ends have a fixed size open   The mouth is used to twist a nut or bolt of a certain size and is also called a fork wrench.

2. Torx wrenches : Work ends with hexagonal holes or dowel holes on both ends are suitable for occasions where the working space is small and ordinary wrenches cannot be used .

3. Combination wrench : One end is the same as a single head wrench, and the other end is the same as a box wrench. Both ends are screwed with bolts or nuts of the same specifications. Also called a ratchet wrench.

Second, the introduction of electric tools

Common electric tools include hand drills, angle grinders, hand-held circular saws, and abrasive wheel cutters .

Third, the use of power tools safety rules

Five basic safety guidelines

Regular maintenance , maintaining good condition

Use the right tools and accessories

Check whether the tool is damaged before use , it is forbidden to use the damaged tool

Use tools and accessories as prompted by the factory

Provide and use correct personal protection

Fourth, the use of tools safety rules

Security check content:

1. There are product certification marks, product qualification certificates and regular inspection qualified marks;

2 , the shell, handle no cracks or damage;

3. The protective earth (PE) connection should be intact;

4. The power cord should be intact; the power cord of the tool must not be lengthened or replaced.

5 , the power plug should be intact, the plug of the tool power cord can not be arbitrarily removed or exchanged.

6 , the power switch action is normal, flexible, no defect, rupture ;

7 , mechanical protection device should be intact;

8 , the rotating part of the tool should be flexible, light, no block;

Fifth, the use of power tools safety issues:

1. Do not carry it by pulling the cable on the tool.

2 , do not pull the plug when pulling the wire.

3, the tool should unplug when not in use.

4, when the fastening tool to use special clips or clip.

5 , prevent the tool from being accidentally started.

6 , keep the tools clean and tidy.

7. When holding a tool, keep your feet steady and keep your body in balance.

8. Wear appropriate work clothes.

9, a damaged tool can not continue to use and labeled "disabled" label.

10. Power tools should be used within the scope of their design work.

11. When the tool is not in use, it should be stored in a dry place.

12, can not use power tools in wet conditions.

13. The work place should have sufficient lighting.

Six, other accessories notice

1. Use with manufacturer's recommendation and consent

2. The technical specifications of the accessories meet the requirements of the grinder

3 , speed, size, fixed and protective requirements

4 , the use of accessories can not affect the protective device of the grinder

5 , unless the guard is replaced by other reliable guards or equipment

6 , in strict accordance with the manufacturer's product description to install accessories that meet the requirements !

Seven, summary

This article is edited and compiled by China Rescue Equipment Network. Please indicate the link.