
n.可切性
The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method. 試圖用指標(biāo)體系來描述和評(píng)價(jià)材料的切削加工性。
During the dissolution diffusion bonding process, control of the heat is important to improve well cutability, besides using special alloy powder. 在鑄件液膜溶解擴(kuò)散焊修復(fù)工藝中,為保證修復(fù)部位良好的加工性能,除采用特制的合金粉末材料外,熱過程的控制也是重要的因素。
The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method. A comparable comprehensive gradation can be obtained. 試圖用指標(biāo)體系來描述和評(píng)價(jià)材料的切削加工性.并借助模糊綜合評(píng)判的方法予以評(píng)價(jià),得出材料切削加工性的一個(gè)具有可比性的綜合等級(jí)。
Based on the wear curves of tools, a longitudinal turning test method is established to judge the cutting capacity of tools and the cutability of metal materials. 在刀具磨損曲線的基礎(chǔ)上,用縱車簡速試驗(yàn)法來評(píng)定刀具的切削性能和金屬材料的可切削性。
What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good. 余熱正火和常規(guī)的正火處理后,再經(jīng)同樣的工藝進(jìn)行滲碳、淬火和回火處理,試驗(yàn)證明:其滲層和心部的組織、晶粒度及機(jī)械性能均相同。
The mechanical properties, structures, cutability and wear-resistance of full-bainite ductile iron obtained by using three kinds of isothermal quenching processes were investigated. 研究了由三種熱處理工藝獲得的全貝氏體等溫淬火球鐵的機(jī)械性能、組織狀態(tài)及切削加工性能和耐磨性能。