First, the basic precautions for safe operation：1. Wear overalls before operation, fasten clothes and cuffs, do not open work clothes, do not wear gloves, do not wear or change clothes around the machine, or cloth around the body to prevent machine ...

First, the operator must be familiar with the basic structure of the machine tool, performance and transmission system, lubrication parts, electrical and other basic knowledge and maintenance methods, the operator must pass the assessment before they ...

First, the preparation work before welding.1. The operator must hold an electric welding special operation operation permit to be employed, and the apprentice personnel must be operated under the guidance of experienced personnel holding the certifica...

1. Carefully check the various tools used before work: size hammer, flat hammer, punch and other tools that are subjected to hammering are free of burrs and scratches, whether the hammer has crack marks and whether the installation is strong. The top ...

1. The operator must be familiar with the structure, performance, electrical system, and method of operation of the equipment. And passed the examination and passed the certificate.2. Before working, check the air circuit system, whether the torch is ...