鏡架開合測試機 Frame movable test machine參考標準:GB13511-1999,GB/T14214-1998,QB2659-2004,QB2457-1999,行業(yè)標準等
主要用于測定鏡架的彈簧鉸鏈具有一定的耐用性,可承受一定次數(shù)的開合活動而保持原狀,目的是檢測彈簧鉸鏈的彈力變化情況。
Frame movable test machine reference standard: GB13511-1999, GB/T14214-1998, QB2659-2004, QB2457-1999, industry standards, etc
Mainly used for testing the frame spring hinge has certain durability, can bear a certain number of movable activity and keep the original state, the purpose is to test the spring hinge spring of the changes.