求教花鍵軸中的相對角度加工工藝

BB7290

如圖，其中兩頭的花鍵相對于中間花鍵的88度，怎么控制得到?謝謝。
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補(bǔ)充：其給的工藝文件上是這樣說明的。
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.
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9 B9 C9 ~9 m+ m1 Q3 {. }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.

REMARK : 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.

9 Z$ k  W/ H7 v0 w6 C' [  x1 Ratention :End Sides Splines B and C must be aligned within +-10minutes.
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補(bǔ)充內(nèi)容 (2016-1-26 16:20):
需對齒的花鍵軸加工

gzzhangxuanlong

坐等高人