Push rod axial flow fan push rod φ235*2204
1.材料调质后,机械性能
(1)σb≥700 N/mm2/
(2)σs≥500 N/mm2/
(3)δ5≥15 %
(4)Ψ≥45 %
(5)HB≥230~260
2.零件需按JB/T1581-1996作超声波检验
3.检修时发现
1) 磨损超大,影响中间直径,建议更换.
2) 修复单配铜轴衬(根据修复推杆直径)
1. Mechanical properties after material conditioning
(1)σb≥700 N/mm2/
(2)σs≥500 N/mm2/
(3)δ5≥ 15%
(4)Ψ≥ 45%
(5)HB≥230~260
2. Parts shall be ultrasonic inspected according to JB/T1581-1996
3. Found during maintenance
1) The wear is large, affecting the middle diameter, it is recommended to replace.
2) Repair single matching copper bushing (according to repair rod diameter)
