What is the main content of locksmith's work?

Fitter is a kind of work in machinery manufacturing and maintenance industry, which is mainly responsible for processing and repairing various mechanical equipment and parts.

Brief introduction of locksmith

The fitter's operations mainly include chiseling, filing, sawing, marking, drilling, reaming, tapping and tapping (see thread processing), scraping, grinding, correcting, bending and riveting. Fiddler is the oldest metalworking technology in mechanical manufacturing.

Second, the scope of work

Scribe the parts before machining. Machining parts are not suitable for or can not be solved by mechanical methods, as well as the manufacture of various tools, fixtures, measuring tools and special equipment, all through the work of fitters. Assembly: Assemble the processed parts according to the technical accuracy requirements of the machine to make it a complete machine.

The equipment maintenance fitter should maintain and repair the parts that are damaged, out of order or lose precision after long-term use of mechanical equipment. Innovative technology In order to improve labor productivity and product quality, it is also an important task for locksmiths to continuously carry out technological innovation and improve tools and processes. In a word, locksmith is an indispensable job in the machinery manufacturing industry.

Operating skills and grading:

1, operation skills

Marking, chiseling, sawing, filing, drilling, reaming, counterboring, reaming, tapping, correcting and bending, riveting, scraping, grinding, machine assembly and debugging, equipment maintenance, measurement and simple heat treatment. The fitter is mainly a skilled worker who assembles and maintains tools such as file scraper, hand electric drill reamer, bench vice, small drilling machine, electric grinder and grinding tools designed by them.

Step 2: Staging

There are five levels of this profession, namely: primary (national vocational qualification level 5), intermediate (national vocational qualification level 4), advanced (national vocational qualification level 3), technician (national vocational qualification level 2) and senior technician (national vocational qualification level 1). It is divided into theoretical knowledge test and skill operation test.

The theoretical knowledge test adopts the closed-book written test method, and the skill operation test adopts the on-site practical operation method. Both the theoretical knowledge test and the skill operation test adopt the 100 scoring system, and the score above 60 is qualified. The appraisal of technicians and senior technicians must be comprehensively reviewed.