Most people are not trained before using hand tools, resulting in frequent accidental injuries. According to statistics, the annual damage caused by improper use of hand tools accounts for 7% to 8% of all accidental injuries. Therefore, for all kinds of hand tools and portable power tools that are commonly used, it is necessary to understand the correct use method, and to maintain maintenance management and pay attention to safety.
The following are just a few of the commonly used hand tools and power tools, and the correct use and safety precautions are introduced:
1. Metalworking hand hacksaw
Use suitable saw blades for work, such as sawing 14 teeth per tang for real or thick soft metal; 18 teeth per tool for tool steel, iron pipe, hard metal, etc.; and 24 teeth per 则 for metal plates and metals Sawing of tubes and thin iron bars. And push the saw forward, gently pull it back when pulling back.
Wrench
1 The appropriate size of the wrench should be selected according to the nature of the work.
2 When using the adjustable wrench, apply force to the fixed side, and never use force on the movable side.
3 If the wrench opening is worn or slips when used, it can no longer be used to avoid slipping and hurting the hand.
4 Unavailable wrenches can be used as a shovel.
5 Do not put a pipe on the end of the wrench to increase the torque of the wrench.