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扭力值符合-(6 ~30 IN/LBS)。敝司有使用潤滑油進行測試。
扭力板手已送外校正，需等到11/14 or 15 號才會回廠，到時後會做比對測試，電鍍前、電鍍後各測一顆，來分析結果。
以上~~拜託了 !! 謝謝 !!
- JiunyingLv 67 years agoFavorite Answer
1. Preliminary judgment asfollows:
Because of " sintered " causes the nut and screw were clenched . Itis simply in a pressurized locking nuts and bolts will produce wear and teareffect, these will cause the rough surface to have cold welding effect . Inturn it make the nut soldered on the thread before the nut reach the surface ofthe object.
A little bit deeper explanation: Clench is similar to a cold fusion process , mainly due to the workpieceassembly / lock turning speed , the instantaneous heat generated by thefriction induce metal fusion phenomenon to cause the clench . This is oftenoccurs in galling stainless steel, alloys material of the screw , the nut (among which the most sensitive Stainless clench ) , since these metal alloysurface is damaged , the surface produce a layer of film to prevent furtheroxidation corrosion. When the fastener is tightened , the oxide film of thecontact surface of the screw will be damaged by pressure , the loses of metaloxide film contact points will cause peeling and clenched .
To solve this problem the most simple and effective solution is to "lubricate " treatment , it is recommended customers can put the dry style transparentfilm lubricant on the surface of the workpiece can significantly improve thethreaded clench ( stuck ) phenomenon .
2. Testing records Survey:
Torque values match - (6 ~ 30 IN / LBS). Ourcompany has the use of lubricants for testing.
3. The retest results :
Torque wrench has been sent to external calibration , we need to wait until11/14 or 15, when it is back to the factory , then, we will do the retest, onebefore plating , and one after plating , to analyze the results .