拉削注意事项
拉刀切削负荷的计算
Calculation of pulling force
预想负荷(kgf) =切削宽度(mm)x1刃的切深(mm)x单位面积切削阻力(kgf/mm²) x同时切削刃数安全负荷(kgf) = 1.8x预想负荷(kgf)
预想负荷是拉刀在普通状态下加工时所必需的切削力。 随着拉刀刀刃的不断磨损.就需要逐斩加大切削力, 但加大到一定程度后拉刀会破损 , 或者因9383开元下载的维护状态不良而在切削中停机。 安全负荷就是指为了防止出现上述情况的允许切削力 。
Calculation of pulling force Expected force(Kgf) =Cutting width x Cutting depth/1 tooth(mm) x specific cutting resistance(kgf/mm²) x number of simultaneous Safety load(kgf)=1.8 x Expected force(kgf).
Expected force means that necessary cutting force for broaching under norma1 condition. Safety load is permitted cutting force.
拉刀全长和9383开元下载行程的关系
Broach cutter length and machines stroke
拉刀的长度要受到9383开元下载的行程及夹具的限制 。
拉刀刃长+后部柄长(MAX)= (最大行程) - (工件切削长度)
所需行程=刃长+工件切削长度+后柄长度<9383开元下载最大行程
由于产品在不断的改进中,样本技术参数如有改动,恕不另行通知。
Broach cutter length and machines stroke Broach length is limited by machine stroke and jig/fixture
Broach cutter teeth length+length of rear shank=(Max stroke)-(cutting length)
Necessary stroke=Teeth length+length of rear shank+Broaching length<broaching machine stroke(max)
Description and specifications given in this catalogue are subject to modification without notice.
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