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Stainless Steel Fasteners Are Locked To Prevent The Failure Of The Method
Jun 28, 2017

  Stainless steel fasteners are locked to prevent the failure of the method:

  1, the correct choice of products: before using the product to determine whether the mechanical properties to meet the needs of the use, fastener such as the tensile strength of screws and nuts to ensure the load. The length of the screw to choose the appropriate to tighten the exposed teeth 1-2 teeth distance prevail.

  2, before using the thread to see whether rough, thread between the iron or dirt, these things often lead to lock.

  3, before use can be done to do the lubrication of fasteners: the proposed use of butter, molybdenum disulfide, mica, fastener graphite or talcum powder to do the lubrication, the current general use of wax treatment to do lubrication anti-lock.

  4, pay attention to the use of methods:

  A, screw into the speed of the power to be appropriate, not too fast too much, as far as possible the choice of torque wrench or socket wrench, to avoid the use of movable wrench or electric wrench. Excessive speed will cause the temperature to rise rapidly and cause lock. Import valve

  B, the direction of force, fastener the nut must be screwed directly to the axis of the screw.

  5, the use of gaskets can effectively prevent the problem of locking too tight.

  6, locked or killed often occurs in stainless steel, aluminum and titanium alloy fasteners, these metal alloy itself has anti-corrosion properties, will be damaged in the surface, the metal surface to produce a thin layer of oxide To prevent further corrosion. When the stainless steel fasteners are locked, the pressure and heat generated between the teeth will damage the oxide layer, so that the metal thread between the blocking or shear, and then the phenomenon of adhesion. When this phenomenon continues to occur, fastener will make the stainless steel fasteners completely locked, no longer can not be removed or continue to lock. Usually this series of blocking _ cut _ sticky _ locked a series of actions occurred just a few seconds, so the correct understanding of the use of such fasteners, can prevent this phenomenon.

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