生產(chǎn)長(zhǎng)材產(chǎn)品的軋機(jī)種類繁多，七臺(tái)河sleeper，因此，軋機(jī)類型的選擇、布局，軋輥材質(zhì)的選擇、軋輥尺寸的確定，sleeper哪家好，選擇范圍也非常廣。同時(shí)，不同的軋機(jī)所選擇的軋輥也是不相同的，需要根據(jù)生產(chǎn)要求選擇軋輥。

There are a wide variety of rolling mills to produce long timber products. Therefore， the selection and layout of the type of rolling mill， the selection of the material of the roll and the determination of the size of the roll are also very wide. At the same time， the rolls chosen by rolling mills are also the roller should be selected according to the production requirements.

常用的軋輥材質(zhì)和用途見表。軋輥的性能和質(zhì)量一般取決于其化學(xué)成分和制造方式并可由其組織、物理和力學(xué)性能以及存在于軋輥內(nèi)部的殘余應(yīng)力類型來(lái)評(píng)估（見軋輥檢驗(yàn)）。

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).

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