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规定扭矩扳手在多少级?

来源:日期:2020-07-21 发布人:admin

国标扭剪型bai高强螺栓为M16、M20、M22、M24四种,现du在也有非国标的M27、zhiM30两种。dao

There are four kinds of national standard torsion shear type Bai high-strength bolts: M16, M20, M22 and M24. At present, there are also non-national standard M27 and zhim30. Dao
国标大六角高强螺栓为M16、M20、M22、M24、M27、M30等几种。
The national standard large hexagon high strength bolts are M16, M20, M22, M24, M27, M30, etc.
具体选用级别要看使用者的要求,比如一个汽车制造商对扭矩扳手的要求是M16级,那M20级拿过去,就会认定为不合格。
电动扭矩扳手
The specific selection level depends on the user's requirements. For example, an automobile manufacturer's requirement for a torque wrench is M16. If the M20 level is taken, it will be deemed as unqualified.
手动力矩扳手可分为:预置式、定值式、表盘式、数显式、打滑式、折弯式、以及公斤扳手。当螺钉和螺栓的紧密度关重要的情况下,使用扭矩扳手可以允许操作员施加特定扭矩值。
Manual torque wrench can be divided into: preset type, fixed value type, dial type, digital display type, sliding type, bending type, and kg wrench. When the tightness of screws and bolts is critical, the use of a torque wrench allows the operator to apply specific torque values.