Detail Information

Universal Testing Machine (Manufacture : INSTRON (U.S.A))

Main Item
  • Test machine : Universal Testing Machine (Manufacture : INSTRON (U.S.A))
  • Speed of Testing : 10mm/min
  • Room Temperature : 22 oC
  • Method 1 : After three teeth of a gear is held by main body, to make UTM increase the tensile load until the gear is separated from the main body. And to check the maximum load at the point.
  • Method 2 : After eleven teeth of a gear is held by main body, to make UTM increase the tensile load until the gear is separated from the main body. And to check the maximum load at the point.
  • Requirement : Handcuffs shall not open when a tensile force of 4951bf is applied for a minimum of 30 seconds. The handcuffs shall also show no sign of permanent and shall function in a normal manner.