圣恩斯特帶您了解不銹鋼加工中遇到的難點

    北京圣恩斯特商貿(mào)有限公司長期從事不銹鋼加工多年，也有好多客戶想詳細(xì)的了解一下不銹鋼加工中遇到的難點。
 
   不銹鋼材料加工難點主要有以下幾個方面：1. 切削力大，切削溫度高,該類型材料強度大，切削時切向應(yīng)力大、塑性變形大，因而切削力大。此外材料導(dǎo)熱性極差，造成切削溫度升高，且高溫往往集中在刀具刃口附近的狹長區(qū)域內(nèi)，從而加快了刀具的磨損。2. 加工硬化嚴(yán)重奧氏體不銹鋼以及一些高溫合金不銹鋼均為奧氏體組織，切削時加工硬化傾向大，通常是普通碳素鋼的數(shù)倍，刀具在加工硬化區(qū)域內(nèi)切削，使刀具壽命縮短。3. 容易粘刀無論是奧氏體不銹鋼還是馬氏體不銹鋼均存在加工時切屑強韌、切削溫度很高的特點。當(dāng)強韌的切屑流經(jīng)前刀面時，將產(chǎn)生粘結(jié)、熔焊等粘刀現(xiàn)象，影響加工零件表面粗糙度。4. 刀具磨損加快上述材料一般含高熔點元素、塑性大，切削溫度高，使刀具磨損加快，磨刀、換刀頻繁，從而影響了生產(chǎn)效率，提高了刀具使用成本。（http://www.pgcsr.cn ）

Beijing Saint Ernst trading company has long been engaged in stainless steel processing for many years, there are a lot of customers want to difficulties in a detailed understanding of the stainless steel processing.
Stainless steel material processing difficulties are mainly in the following aspects: 1 big cutting force, high cutting temperature, strength of the types of material, cutting the tangential stress, plastic deformation, thus cutting force. In addition material of low thermal conductivity, caused by the cutting temperature, and high temperature are often concentrated in the vicinity of cutting edge narrow region, thus speeding up the tool wear. 2 severe work hardening austenitic stainless steel and high-temperature alloy stainless steel is austenitic, high work hardening tendency of cutting is usually several times, ordinary carbon steel, tool in machining hardened area cutting, shortening tool life. 3 easy to stick the knife both characteristics of austenitic stainless steel and martensitic stainless steel are processing chip, and the cutting temperature is high. When the chip strong flows along the rake face, will produce bonding, welding, sticking phenomenon, affecting the machining surface roughness. 4 accelerated tool wear these materials with high melting point elements, plastic, high cutting temperature, so that the accelerated tool wear, grinding, tool change frequently, which affects the production efficiency, improve the tool cost.
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