推荐回答(3个)
刀具可以分为公制(ISO)和英制(ANSI)两种其主要区别在于中间的数字,另外不同的刀具其表示方法也不同。
例如:
ISO: CNMG120408PS
ABSI:CNMG432PS
第一位的字母代表刀片的形状,公制与英制是一样的。H:6角形120°、O:8角形135°、P:5角形108°、S:四方形90°、T:3角形60°、C:菱形80°、D:菱形55°、E:菱形75°、F:菱形50°、M:菱形86°、V:菱形35°、W:6角形80°、L:长方形90°、A:平行四边形顶角85°、B:平行四边形顶角82°、K:平行四边形顶角55°、R:圆形
第二位的字母代表刀片后角,公制与英制是一样的。A:3°、B:5°、C:7°、D:15°、E:20°、F:25°、G:30°、N:0°、P:11°
第三位的字母代表刀片的公差,公制与英制相同,其公差根据刀片尺寸不同而不同。
第四位的字母代表孔/断屑槽符号,这个的种类比较多,不一一细说,只挑两种常用的说,一般的外圆刀片都是G(有孔,双面带断屑槽),镗孔刀片多为T(有孔,且单埋头孔,单面有断屑槽)
第三、四两位的意思你可以在使用时查下你所选用的刀具的刀具样本,上面都会有说明。
上述的字母意思适用于所有的车削用可转位刀片,从第五位开始则有了区别,先来说金属陶瓷、图层硬质合金以及硬质合金的刀片:
第五位的数字,ISO代表切刃长度,ANSI代表内接缘径
第六位的数字代表厚度,ISO的单位为mm,而ANSI的为:inch
第七位的数字代表刀尖角,ISO的单位为mm,而ANSI的为:inch
最后两位字母代表任意符号,如:主切刃符号、断屑槽符号等。
除此之外,还会再继续后缀数字与字母,如:VP15TF,这个代表刀具的材质。不同品牌的刀具的材质号也不同。
另外还有特殊的标示方法,如:CCGT060201MER-U、CCGT060201MFP-GF
M:刀尖圆角为负公差。(一般刀片圆角为0.4,当加工的零件在清跟的地方要求≤0.2的圆角时,需要选取刀尖圆角为负公差的刀片)
E:切刃有倒角
F:切刃为锋利刀尖
R:刀片为右手方向
P:刀片表面镜面式样
U、GF:均为断屑槽型
接下来陶瓷刀片的型号:
与之前说的不同之处在于陶瓷刀片不标注槽型,而是标注刀尖规格,如:CNGA120404S01525
S01525成为刀尖规格
S:倒棱+珩磨 例:S01525倒棱+珩磨0.15mm×25°
T:倒棱 例:T02025倒棱0.20mm×25°
下金刚石刀片:
例:CNGA120404S01225ME
后角为0°(N)刃长12(12),0.4圆角(04)的80°菱形(C)刀片,刀尖倒棱+珩磨0.12mm×25°(S01225),小刀头,且其刀尖强化型为标准规格的刀片(ME)。
除S、T之外,还有E:珩磨 例:E008R0.08mm珩磨
所有金刚石刀片,在刀尖规格后面有其它符号的,其刀刃长度均短,为小刀头刀片,无符号的则为长刀刃。另外包括无符号、SE、ME在内的刀片刀尖强度均为标准规格,SET(SE-T)、MET(ME-T)的均为刀尖强化型,BB1、BB2、BB3为带断屑槽的。
另外还有切槽刀及切断刀,但这个的标准并不统一,不同品牌的刀具都有各自的牌号。像是你给出的GB43R150 PR930,这个就是一种切槽刀,根据你给出的型号,我认为你使用的是京瓷的刀片,GB32是对槽刀的划分,R指右手刀片,150指切槽刀的刃宽为1.5,PR930是指刀片的材质。这个切槽刀片以及切断刀片你只能根据刀具样本去查,没有别的办法。
螺纹刀:16ER100ISO-TF
16为刀片尺寸(16:9.525,22:12.70),E为内外径的区分(E为外螺纹用,I为内螺纹用),R为刀片方向(R:右手,L:左手),100代表螺距或牙数且(这个分公、英制两种,公制螺纹:100其螺距为1mm,150其螺距为1.5mm。英制螺纹:24代表24牙/英寸,20代表20牙/英寸),ISO表示螺纹种类(ISO、M:公职螺纹,UN:英制螺纹,W:惠氏螺纹,BSPT:锥度管螺纹,NPT:美式锥度管螺纹),TF表示切刃为TF样式,另外还有TS:TS断屑槽,M02:2牙断屑槽。所有的上述螺纹刀均带有修光刃,下面说说不带修光刃的,也就螺纹切断刀片。
例:16ERA60-TF
16为刀片尺寸(06:3.97,08:4.76,11:6.35,16:9.525,22:12.70),E为内外径的区分(E为外螺纹用,I为内螺纹用),R为刀片方向(R:右手,L:左手),A60代表螺距或牙数(数字代表顶角,分为60°和55°,A60:60°无修光刃,螺距为0.5~1.5mm,G60:60°无修光刃,螺距为1.75~3mm,GA60:60°无修光刃,螺距为0.5~3mm,A55:55°无修光刃,牙数为40~16牙/英寸,G55:55°无修光刃,牙数为14~8牙/英寸,GA55:55°无修光刃,牙数为40~8牙/英寸,另外此处还有肯能写成:6001表示60°无修光刃,刀尖角为0.1mm,螺距为1.0~2.5mm,5501表示55°无修光刃,刀尖角为0.1mm,牙数为28~11牙/英寸),TF表示切刃为TF样式,另外还有TS:TS断屑槽。
目前比较大的刀具品牌有Iscar,特固克,三菱,京瓷,克洛伊,肯纳,山特维克等。
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