When is the best time to use the copper sleeve?
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- Time of issue:2017-02-13
- Views:1671
(Summary description)
When is the best time to use the copper sleeve?
(Summary description)
- Categories:Company News
- Author:
- Origin:
- Time of issue:2017-02-13
- Views:1671
Luoyang Copper Processing Group Co., Ltd. is the largest comprehensive non-ferrous metal processing enterprise in China. 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 nationals all areas of the economy.
Copper sleeve is just a broad name. It is a component used in sliding and rotating machinery to reduce friction while also transmitting thrust and supporting and fixing. In some special places, it is equivalent to the role of bearings, such as places with heavy load, low speed, and large mechanical load impact.
When is the best time to use the copper sleeve? The copper sleeve should be used after heat treatment, because the strength of copper, especially its plasticity and toughness, decreases. In order to refine grains, uniform structure and eliminate internal stress, the copper sleeve must be normalized or annealed. Normalized copper, the high cost of machine performance after annealing also becomes lower, so it is widely used. However, normalizing treatment leads to a larger internal force than annealing, and is only suitable for copper parts with a carbon content of 0.35%. Low carbon copper parts have good plasticity and are easy to break when cooled. The internal force becomes smaller, and after the copper sheet is normalized, it should be tempered at high temperature. on carbon content. 0.35%, complex structures and copper parts that are prone to cracks can only be annealed. Copper parts should not be quenched, otherwise it is easy to crack.
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