| 外径 | 305 | 355 | 405 | 455 | 510 | 610 | |
| 硬度 | ||||||||
| 普通碳素钢 | HRC﹤25 | A60M V | A60LM V | A60L V | ||||
| HRC﹥25 | 38A80M V | 38A80LM V | 38A80L V | |||||
| 合金钢 | HRC﹤55 | 30A60L V | 30A60L V | 30A60L V | ||||
| HRC﹥55 | PA60L V | PA60K V | PA60K V | |||||
| 工具钢 | HRC﹤60 | PA60L V | PA60K V | PA60K V | ||||
| HRC﹥60 | 32A60K V | 32A60J V | 32A60J V | |||||
| 不锈钢 | 400系列 SUH1.3 | WA60K V | WA54K V | WA54K V | ||||
| 耐热钢 | 300系列 SUH4 | GC60M V | GC60L V | GC60L V | ||||
| 调整轮 | A120R.R | A150R.R | A180R.R | |||||
| 订购指南 精工细琢 专业品牌 | ||||||||||||
| WA | 46 | K | 5 | V | 5 | A | 350x40x127 | |||||
| 磨料 | 粒度 | 结合剂 | 组织号 | 制法 | 型状 | 缘形 | 尺寸(DxTxH) | |||||
| 磨料粒度: | Grit | |||||||||||
| 精度是用来表示磨料颗粒几何尺寸的大小,其选择 | Grit is designated to represent the geometrical size of | |||||||||||
| 依据主要是加工工件所需要的表面粗糙度,同时也需 | abrasive grain.The grit size is chosen for customer s | |||||||||||
| 考虑其他一些因素.以外圆磨为例,常用粒度与表面 | required surface finish as well as other conditions.For | |||||||||||
| 糙度有下面的大致关系: | example,in cylindricai grinding,there is relationship | |||||||||||
| between grit and surface finishes listed as bellow; | ||||||||||||
| 粒度 | 36-46 | 54-60 | 70-80 | 90-100 | Grit | 36-46 | 54-60 | 70-80 | 90-100 | |||
| 粗糙度 | Ra 1.6 | Ra 0.8 | Ra 0.4 | RA 0.2 | Finish | Ra 1.6 | Ra 0.8 | Ra 0.4 | RA 0.2 | |||
| ●粗料度的磨料适用于磨削: | ●Use Coarse Grit: | |||||||||||
| 1)材质较软,延伸率大以及类似软铁和有色金属等 | 1.for soft,ductile,stringy material such as softsteel | |||||||||||
| 材料 | and nonferrous material | |||||||||||
| 2)进给量大,磨削速度要求高的场合. | 2.for rapid stock removal,high grinding speed | |||||||||||
| 3)表面粗糙度要求不高的场合. | 3.where finish is not important | |||||||||||
| 4)磨削接触面大的场合. | 4.for large areas of contact | |||||||||||
| ●细粒度的磨料适用于磨削: | ●Use Fine Grit: | |||||||||||
| 1)硬度较高以及类似高碳工具钢,硬质合金钱类的金 | 1.for hard,brittle materials such as hard tool steels, | |||||||||||
| 属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场合. | 2.for fine finishes | |||||||||||
| 3)磨削接触面小的确场合. | 3.for small areas of contact | |||||||||||
| 4)工件半径或弧度小的场合. | 4.for holding small corner radii | |||||||||||
| 硬度: | Grade: | |||||||||||
| E F G H I J K L M N O P Q R | E F G H I J K L M N O P Q R | |||||||||||
| 软----------------------硬 | Soft------------------Hard | |||||||||||
| 砂轮的硬度是指磨料之间的结合度,砂轮中结合 | The grade indicates the relative holding power of the | |||||||||||
| 剂量的多少决定了砂轮的硬度大小.用户需根据具 | bond which holds abrasive grains in a wheel.ln general, | |||||||||||
| 本的磨削(如进刀量,粗糙度,材质)要求来灵活选 | with a given type of bond it is the mount of bond which | |||||||||||
| 择砂轮的硬度. | determines a wheel s should select the grade of a wheel | |||||||||||
| 一般砂轮硬度选择的原则是: | based on the grinding parameters such as feed rate. | |||||||||||
| finish requirements,materiials i.e..The following rules | ||||||||||||
| should be followed with regard to grade | ||||||||||||
| ●较软的硬度 | ●Use Soft Grade: | |||||||||||
| 1)进刀量大的粗磨. | 1.for rapid stock removal | |||||||||||
| 2)磨削接触面大的场合. | 2.for large greas of contact | |||||||||||
| 3)材质较硬的工件,如高硬度工具钢和硬质合金钢等. | 3.for hard materials such as hard tool steels and carbide. | |||||||||||
| 4)工件抗热性能差,严防表面烧伤和磨削. | 4.for heat sensitive workpieces and grinding can not has | |||||||||||
| burning and discoloration on surface | ||||||||||||
| ●较硬的硬度 | ●Use Hard Grade: | |||||||||||
| 1)进刀量小的精磨. | 1.for fine finish with little feed | |||||||||||
| 2)延长砂轮寿命. | 2.for longer wheel life | |||||||||||
| 3)材质较软的工件. | 3.for soft materials | |||||||||||
| 4)磨削接触面小或窄的场合. | 4.for small or narrow areas of contact | |||||||||||
| 组织号: 5 6 7 8 9 10 11 12 13 | Structure: | 5 6 7 8 9 10 11 12 13 | ||||||||||
| 密--------------- 疏 | Close------------Open | |||||||||||
| 组织号用以表示砂轮内相邻的磨料颗粒之间的距 | The structure number indicates the space between neighboring | |||||||||||
| 离也就是间隙的大小.砂轮中磨料颗粒所占的体积百 | grains which can also be called grain spacing in a wheel The | |||||||||||
| 分比,也就是其浓度的大小,决定的砂轮的组织号.陶 | volume percentage of abrasive grains which represents the | |||||||||||
| 瓷砂轮组织号变化范围一般是从5到13,数字越小表 | density of grain in a wheel determines the structure number | |||||||||||
| 示砂轮组织越密,数字越大表示砂轮组织越疏松.组 | of a wheel.The structure of Vitrified sheels ranges from 5 to | |||||||||||
| 织11,12和13通常是指气孔砂轮. | 13.The smaller the number,the more closed structure the wheel | |||||||||||
| The large the number,the more open structure wheel The numbers | ||||||||||||
| 11.12.13normally indicate porous wheels. | ||||||||||||
