When does the copper sleeve work best?

Source:

2017-02-13 15:21

Luoyang Copper Processing Group Co., Ltd. is China's largest comprehensive non-ferrous metal processing enterprise. It is one of the 156 projects aided by the Soviet Union during the "First Five-Year Plan" period. Its products are widely used in aerospace, aviation, ships, electric power, electronics and other national economies. Various fields. The copper sleeve is just a broad name. It is a component used in sliding rotating machinery to reduce friction while transmitting thrust and supporting fixation. In some special places, equivalent to the role of bearings, such as heavy load, low speed, mechanical load impact place. When is the best time to use copper sleeve? Copper sleeve should be used after heat treatment, because

The copper sleeve is just a broad name. It is a component used in sliding rotating machinery to reduce friction while transmitting thrust and supporting fixation. In some special places, equivalent to the role of bearings, such as heavy load, low speed, mechanical load impact place.

Copper sleeves should be used after heat treatment because the strength of copper, especially plasticity and toughness, decreases. In order to refine the grain, uniform structure and eliminate internal stress, the copper sleeve must be normalized or annealed. After normalizing the copper, the machine performance in the high cost after annealing also becomes low, so the application is very wide. However, the normalizing treatment results in a larger internal force than annealing and is only suitable for copper parts with a carbon content of 0.35%. Low carbon copper good plasticity, easy to break when cooling. The internal force becomes smaller, and high temperature tempering should be carried out after normalizing the copper sheet. The carbon content. 0.35 percent of the copper parts with complex structures and prone to cracking can only be annealed. Copper should not be quenched, otherwise it is easy to crack.

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