ຂ່າວອຸດສາຫະກໍາ

Bolt ຍຸດທະສາດການອອກແບບຕ້ານການ loosening

2023-09-08

1.ສອງແກ່ນກົງກັນຂ້າມ.

2.ລູກກອດຕົນເອງ

3.Pre tightening

4.Split pin

5.Slotted ຫມາກແຫ້ງເປືອກແຂງ

6.Spring washer

7.Pretightening

8.Lock washer

9.Tandem ສາຍເຫຼັກຕ້ານການ loosening

10.Thread sealant

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