螺紋技術(shù) |
Due to optimize the installation structure, only need a sleeve tool can install the insert just like screw screwing in the screw hole. of course, if the production line in large quantities of using inserts, in order to improve the installation speed, it better adopt pneumatic or electric installation tools.
Rm= tensile strength-( min) 1400N/mm2
HV= vickers hardness-( min)425HV0.2
Rz= roughness depth( around) 2,5μm
μG= a lessen and continuous thread friction ledind to enhanced preloading Fv tau t = no threaded portion of the torsional stress attenuation
◆Extend the service life of workpiece Threaded insert increases the possibility of the development that large-scale structure to the miniature and light structure and ensure the stability of product performance and quality through the way of increasing strength of screw thread.
The expensive repair of individual parts 、recovery of large number damaged parts after reproduction is extremely importa
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