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    三輥式定(減)徑機(jī)的類型及應(yīng)用

    Types and Applications of 3-roll Sizing(Reducing)Pipe Mill

    • 摘要: 根據(jù)工作機(jī)架的外形、傳動(dòng)形式、結(jié)構(gòu)，歸納了三輥式定（減）徑機(jī)工作機(jī)架的種類；介紹了軋輥名義直徑與機(jī)架間距的內(nèi)在聯(lián)系，以及孔型加工的兩種方法；簡要敘述了3種軋輥徑向調(diào)節(jié)的方式；著重分析了不同形式主傳動(dòng)的優(yōu)缺點(diǎn)，并列舉各類型三輥式定（減）徑機(jī)實(shí)際應(yīng)用的機(jī)組名稱。提出了一種可能改善產(chǎn)品壁厚精度的想法。

       

      Abstract: The types of the 3-roll sizing（reducing）pipe mills are summarized according their roll stand profiles，drive types，and structures.The internal correlation between the roll nominal diameter and the roll stand space is described，and two roll groove processing methods are elaborated.Also briefed are three methods for redial adjustment of the roll.Focused on are both the advantages and disadvantages of different main drive types.Named are the specific pipe rolling plants to which different 3-roll sizing（reducing）mills are actually applied.Finally an idea concerning possibility for improving product wall thickness accuracy is put forward.

       

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