樣品或現(xiàn)貨樣品是否標準件標準件品牌多款供選型號多款供選材質硬質合金類型端銑刀規(guī)格多款供選加工范圍多款

4刃極超微粒子全鎢鋼長刃端銑刀，35度,高速機

訂購指南 精工細琢 專業(yè)品牌wa46k5v5a350x40x127磨料粒度結合劑組織號制法型狀緣形尺寸(dxtxh)磨料粒度:grit精度是用來表示磨料顆粒幾何尺寸的大小,其選擇gritis designated to represent the geometrical size of依據(jù)主要是加工工件所需要的表面粗糙度,同時也需abrasive grain.the grit size is chosen for customer"s考慮其他一些因素.以外圓磨為例,常用粒度與表面required surface finish as well as other conditions.for糙度有下面的大致關系:example,in cylindricai grinding,there is relationshipbetween grit and surface finishes listed as bellow;粒度36-4654-6070-8090-100grit36-4654-6070-8090-100粗糙度ra 1.6ra 0.8ra 0.4ra 0.2finishra 1.6ra 0.8ra 0.4ra 0.2●粗料度的磨料適用于磨削:●usecoarse grit:1)材質較軟,延伸率大以及類似軟鐵和有色金屬等1.forsoft,ductile,stringy material such as softsteel材料andnonferrous material2)進給量大,磨削速度要求高的場合.2.forrapid stock removal,high grinding speed3)表面粗糙度要求不高的場合.3.where finish is not important4)磨削接觸面大的場合.4.forlarge areas of contact●細粒度的磨料適用于磨削:●usefine grit:1)硬度較高以及類似高碳工具鋼,硬質合金錢類的金1.forhard,brittle materials such as hard tool steels,屬材料和玻璃等脆性材料.cemented carbide and glass.2)表面粗糙度及精度要求高的場合.2.forfine finishes3)磨削接觸面小的確場合.3.forsmall areas of contact4)工件半徑或弧度小的場合.4.forholding small corner radii硬度:grade:e f gh i j k l m n o p q re f gh i j k l m n o p q r軟----------------------硬soft------------------hard砂輪的硬度是指磨料之間的結合度,砂輪中結合thegrade indicates the relative holding power of the劑量的多少決定了砂輪的硬度大小.用戶需根據(jù)具bondwhich holds abrasive grains in a wheel.ln general,本的磨削(如進刀量,粗糙度,材質)要求來靈活選witha given type of bond it is the mount of bond which擇砂輪的硬度.determines a wheel"s should select the grade of a wheel一般砂輪硬度選擇的原則是:basedon the grinding parameters such as feed rate.finish re,materiials i.e..the following rulesshould be followed with regard to grade●較軟的硬度●usesoft grade:1)進刀量大的粗磨.1.forrapid stock removal2)磨削接觸面大的場合.2.forlarge greas of contact3)材質較硬的工件,如高硬度工具鋼和硬質合金鋼等.3.forhard materials such as hard tool steels and carbide.4)工件抗熱性能差,嚴防表面燒傷和磨削.4.forheat sensitive workpieces and grinding can not hasburning and discoloration on surface●較硬的硬度●usehard grade:1)進刀量小的精磨.1.forfine finish with little feed2)延長砂輪壽命.2.forlonger wheel life3)材質較軟的工件.3.forsoft materials4)磨削接觸面小或窄的場合.4.forsmall or narrow areas of contact組織號: 5 6 7 8 9 10 11 1213structure:5 6 78 9 10 11 12 13密--------------- 疏close------------open組織號用以表示砂輪內相鄰的磨料顆粒之間的距thestructure number indicates the space between neighboring離也就是間隙的大小.砂輪中磨料顆粒所占的體積百grains which can also be called grain spacing in a wheel the分比,也就是其濃度的大小,決定的砂輪的組織號.陶volume percentage of abrasive grains which represents the瓷砂輪組織號變化范圍一般是從5到13,數(shù)字越小表density of grain in a wheel determines the structure number示砂輪組織越密,數(shù)字越大表示砂輪組織越疏松.組of awheel.the structure of vitrified sheels ranges from 5 to織11,12和13通常是指氣孔砂輪.13.the smaller the number,the more closed structure the wheelthelarge the number,the more open structure wheel the numbers11.12.13normally indicate porous wheels.