而精轧辊速度较高，轧制终产品要有一定的表面质量，对它以硬度、耐磨等为主要要求。然后考虑轧辊使用时所应有的耐磨性。由于轧辊的磨损机理很复杂，包括机械应力作用、轧制时的热作用、冷却作用、润滑介质的化学作用以及其他作用。
And the high speed of the fine roller， the final product of rolling must h**e a certain surface quality，吊车轨厂家， which is the main requirement for its hardness， wear resistance and so on. Then the wear resistance should be cidered when the roll is used. Because the wear mechani** of roller is very complicated， including mechanical stress，吊车轨哪家好， thermal action during rolling， cooling effect， chemical action of lubricating medium and other functi.
轧辊中大量使用合金元素是在第二次以后，这是轧钢设备朝着大型化、连续化、高速化、自动化发展以及轧材强度提高、变形抗力加大后对轧辊性能提出更高要求的结果。
A large number of alloying elements in the rolls are produced after the Second World War.the result of rolling mill"s large performance， continuous， high-speed and automatic development，吊车轨生产厂家， as well as the increase of rolling strength and resistance to deformation.
实践表明，带双镀槽的轴头在使用过程中，镶槽壁容易崩裂，目前常用易加工的带平台的袖头代替双因槽的抽头。
直径超过400mm的冷轧轧辊，在锻造后，多半在中心馒一个670一250mm的通7L。这样，一力面可以使轧辊经热处理店的内应力分朽均勾；另一方面在轧辊表面淬火时，可对轧辊通水冷却，吊车轨，提高淬火效果。
Practice shows that， with double bath head is in use， insert groove wall is easy to crack， at present common processing platform with the cuff instead of double slot for tap.
Cold roll diameter of more than 400mm， after forging， mostly in the 7L center. A 670 250mm. So， on one hand can make the roller stress heat treatment shop allocation hook are; on the other hand， the roll surface quenching， the water cooling roller， improve the quenching effect.
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