sleeper厂家-圣霖国际(在线咨询)-营口sleeper

常用的轧辊材质和用途见表。轧辊的性能和质量一般取决于其化学成分和制造方式并可由其组织、物理和力学性能以及存在于轧辊内部的残余应力类型来评估（见轧辊检验）。

The material and use of the commonly used rolls are shown in the table. The performance and quality of roller generally depend on its chemical  and manufacturing way， and can be evaluated by its organization， physical and mechanical properties and the type of residual stress existing inside the roll (see roll test).

冷轧辊在工作过程中要承受很大的轧制应力，营口sleeper，加上轧件的焊缝、夹杂、边裂等问题，容易导致瞬间高温，使工作辊受到强烈热冲击，造成裂纹、粘辊、剥落甚至报废。因此，冷轧辊要有抵抗因弯曲应力、扭转应力、剪切应力引起的开裂和剥落的能力，同时也要有高的耐磨性。

Cold roll must bear a lot of rolling stress in the working process， add the weld， inclusion and edge crack of the rolled piece， which can easily lead to instantaneous high temperature，sleeper报价， so that the work roll is subjected to strong heat shock， which causes crack， roll， peeling and even scrap. Therefore， the cold roller must resist the ability of cracking and spalling caused by bending stress， torsional stress and shearing stress，sleeper价格， and also has high wear resistance.

轧机布置和道次设计  

机架在生产线的位置以及道次设计对轧辊的选择有很大影响。根据机架位置，轧辊的受力方式和性能可以有很大变化。这是因为应用于粗轧机架和精轧机架的轧辊有非常不同的受力方式，sleeper厂家，从而导致轧辊性能有预期的改变.

Rolling mill layout and pass design

The of the rack in the production line and the design of the pass have great influence on the choice of the roll. According to the  of the frame， the force and performance of the roller can be greatly changed. This ibecause the rolls used in roughing mill stand and finishing mill stand have very different forces， resulting in expected changes in roll performance.

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