求教花键轴中的相对角度加工工艺

BB7290

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如图，其中两头的花键相对于中间花键的88度，怎么控制得到?谢谢。

8 z1 R( |, ]) ]9 O- j补充：其给的工艺文件上是这样说明的。
Atention: The tooth gap 34T which is held on the drag fixuture must be painted or marked and it will be the reference to position the gap of the splines in relation to the slot and the thread.

ATENTION: Hold the drag fixuture in the centra tooth gap 34T, making one tooth gap 30T coincident to this tooth gap 34T after machining it and in which the drag fixture was held as it is showed at this draft.
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9 {- s* B& G' qREMARK : Do not take out the drag fixture after machining the first side of the splines and while turning around the piece to machine the second side of the splines to keep the alignment between the splines of the both end sides B and C showed at this draft.

: S/ v9 [2 e# ?2 `$ q8 r, O: l2 \atention :End Sides Splines B and C must be aligned within +-10minutes.
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补充内容 (2016-1-26 16:20):
) }2 F$ R, @$ Z8 T# |需对齿的花键轴加工

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