- [2017-06-05]Technical and economic analysis of mechanical processing
Make rules for mechanical processing technology, in the same technology can satisfy the request of the workpiece, usually can be worked out several different pr..
- [2017-06-05]The technological process, difficulties and measures adopted for the machining of slender shafts
Slender Zhou Dingyi A shaft type part (l/d>25) with a length greater than 25 of the direct ratio is called an elongated shaft. Clamping method for long and th..
- [2017-06-05]Examples of marking of machined surface roughness
On the same pattern, each appearance is usually marked with one (or symbol) number, and as close as possible to the relevant scale. When space is small or incon..
- [2017-06-05]A forging structure on a part
1) forging fillet When the blank of a part is a casting, the corner of the intersection of the casting shall be rounded as a result of the requirement of the f..
- [2017-06-05]Common scale tolerances and basic deviations in machining
In order to facilitate the production, realize the interchangeability of parts and meet the different requirements, the national scale "limit and fit" defines t..
- [2017-06-05]Basic knowledge of steel
- [2017-06-05]Introduction of mechanical seals
- [2017-06-05]Mechanical seals should pay attention to questions