自卸汽车换向阀相关要求
2010-06-08 13:57:41 阅读8 评论0 字号：大中小
原文：Valve-related requirements dump truck
General requirements:
1) The valve shall meet the requirements of this standard and in accordance with prescribed procedures approved by the drawings and technical documents create. 2) All parts subject to quality inspection department to be certified before assembled.
3) the choice of nominal pressure valve to the light QC/T460 "dump truck - hydraulic cylinder technology" requirements.
4) into the valve, the oil export and other combine parts, should be taken to rust, dust and other protective measures. The remaining surface painted by QC/T484 provided in Table 1 TQ6 paint.
5) All seals, dust parts in the assembly should be coated with thin oil or grease, and should ensure that no damage to seals.
6) The casting surface should be smooth, not a sticky sand, cracks, burrs and other harmful defects.
7) The valve should be cleaned before the assembly.
8) The manual valve control power should meet the relevant requirements GB/T3766.
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原文：Valve-related requirements dump truck
原文：
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自卸汽车换向阀相关要求
一般要求：
1)换向阀应符合本标准的规定，并按照经规定程序批准的图样及技术文件制造。2)所有零件须经质量检验部门检验合格后方能进行装配。
3)阀的公称压力的选择须参照QC/T460《自卸汽车—液压缸技术条件》的有关规定。
4)阀的进、出油口等结合部位，应采取防锈、防尘等保护措施。其余表面涂漆按QC/T484表1中TQ6规定涂漆。
5)所有密封件、防尘件在装配时应涂以机油或薄层润滑脂，并应保证不损坏密封件。
6)铸造件表面应光洁，不得有粘砂、龟裂、毛刺等有害缺陷。
7)换向阀在装配之前应清洗。
8)手动阀的操纵力应满足GB/T3766的有关要求。
