Special rolling tools are designed for machining special glandsealing gears in production and some schemes are put forward to be put into practice.
对生产中所遇到的特殊角度汽封齿的加工问题，设计了专用滚压刀具，并提出了实施方案。
2
V type packing structure has been employed to effectively transform the pushing force of the gland flange and the medium pressure into the sealing force against the stem.
阀杆采用V型填料密封结构，V型填料能将填料压盖的压紧力及介质力有效地转化成阀杆的密封力。
3
The gland shim is a sealing washer of the refrigerator compressor and before the compressor being assembled examination and grading of the gland shims thickness is a key working procedure.