我地区发生东方红-75/802拖拉机变速箱前支座固定螺孔掰坏的故障很多,分析其主要原因是:从后横梁开始的两侧顺梁变形弯曲,后桥下垂,变速箱上翘,其固定螺孔与后横梁螺孔的接合面间产生较大间隙。未发现此故障前,常误认为固定螺母松动,便将螺母拧紧,则使变速箱固定螺孔处产生很大应力,当
1 (4) Torque Strength Torque Wrench (0~150 kgf) (150~750 kgf) 購買 (150 ~300 kgf) ASME B18.6.3 / FIP1000 / SAE J78, J81, J1237, J933 / ISO 898-7, ISO 2702 / DIN 7500-1 / IFI-113 2. TORSIONAL STRENGTH TEST 扭力強度試驗 FIP 1000 Applicable To: All Tapping Screws. 適用範圍:所有種類的自攻螺絲 Test Purpose: To detect parts having low strength which might twist off during driving or seating. 測試目的:為檢查零件是 否因 為扭力不足而在組裝或