? 不锈钢切割的过程中容易出现的问题

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不銹鋼切割的過程中容易出現的問題

日期: 2014-08-26 信息來源: admin 瀏覽次數【101

  不銹鋼加工中有時候處理難以切割的位置,會使用切削技術進行深加工,在切割的過程中,不銹鋼會表現出一些特征性的現象。
   Sometimes the treatment to the cutting position in stainless steel processing, deep processing of cutting technology will use, in the cutting process, so will show some characteristics of the phenomenon.
  第一,不銹鋼強度大易變形。不銹鋼在加工切削過程中,由于其有伸長率一定,特別是奧氏體不銹鋼,會產生較大的塑性變形,這就對切削加工產生了一定的難度。再者,不銹鋼自身的強度比較大,加大了切削過程中的雙項阻力,增強了切削力度。

First, stainless steel high strength deformation. Stainless steel in machining process, due to its elongation, especially in austenitic stainless steel, will produce larger plastic deformation, it brings certain difficulty to machining. Furthermore, so its strength is relatively large, increase the double resistance during the cutting process, the cutting force enhancement.
第二,不銹鋼切割溫度高。切削過程中會產生大量的熱量,但是不銹鋼材質又是導熱系數比較差的,所以熱量全部集中到切割區和刀片上了,不易散熱。
Second, stainless steel at high temperature. The cutting process will generate a lot of heat, but the stainless steel material and the coefficient of thermal conductivity is relatively poor, so the heat concentrated to the cutting area and blade, not easy to heat.
第三,切割難度大。不銹鋼是硬質物質,塑性好,韌性大,但是在加工的時候,切割由于不易折斷、易粘連而導致切割擠壓不銹鋼表面,導致刀具過度磨損(這是因為刀具產生磨損,致使刀面產生坑洼,形成微小的剝落和缺口;加上不銹鋼中硬度很高,切削時直接與刀具接觸、摩擦,擦傷刀具,還有加工硬化現象,均會使刀具磨損加劇),從而不銹鋼表面加工惡化。
Third, the cutting is difficult. Stainless steel is a hard material, good plasticity and toughness, but in machining, cutting the is not easy to break, easy adhesion caused by cutting extruded stainless steel surface, resulting in excessive tool wear (this is because the tool wear, the flank have potholes, forming tiny flakes and gap; plus stainless steel hardness high cutting and cutter contact, friction, abrasion tool, and work hardening phenomenon, can cause the tool wear), surface processing and stainless steel deterioration.
 第四,不銹鋼易膨脹。在切割加工過程中,會產生大量熱量,從而導致不銹鋼膨脹,加大了切割加工的難度。
Fourth, stainless steel expansive. In the cutting process, will generate substantial heat, resulting in stainless steel expansion, increased the difficulty of cutting processing.文章來源:(http://uopuj0.cn

 

 



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