如果不能使用起吊螺丝孔，应在入子上作撬模杆进入的斜槽。
If jack screws cannot be used than angled slots need to be installed for pry bar access.
通过对斜顶杆工作过程的逆向思考，采用拔杆为后模滑块提供动力。
Through reverse thinking of working principle of inclined push rod, this mold adopts button pole to offer power to rear mold slide block.
本文从机床布置、镗削工艺、镗模、镗杆、镗刀、精镗头的设计等诸方面进行了分析、探讨，对以上五个难点问题给以解决。
The designs of boring process, boring mould, boring bar, boring tool and precision boring head are analyzed and researched, and the five problems above are solved.
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