This paper describes the technology process and determination of main parameters for the monoblock forging bend rudderstock with large square head.

叙述了大方头弯舵杆整体锻制工艺过程，以及各主要参数的确定。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实的位置和灌浆饱和度是评价锚杆质量的两个重要参数。

The important factors which affect the gear abrasion are the design of machine tool's spiale system and the selecting of main process parameters in the course of the gear abrasion.

研齿过程中机床主轴系统的设计以及主要工艺参数的选择是影响研齿效果的重要因素。