The roller large end face run-out of tapered roller bearing (SDW) is an important quality index for tapered roller bearing.
圆锥滚子基准端面摆动SDW(端面侧摆)是圆锥滚子轴承的一项重要质量指标。
2
It has been successfully used in the X-38 drogue chute and its supersonic pilot chute, the SDW main chute, its drogue chute and the PLER parachute.
在x—38计划的减速伞和超音速引导伞、在SDW减速稳定伞和主伞以及PLER伞上应用，均获得成功。
3
This article introduces a kind of intelligent measuring system, which accords with the rule of measuring for tapered roller bearing, and can actualize auto-measuring for SDW and auto-picking.