Wire rope electric hoist hook the quality of judgment rule

Wire rope hoistt hook the quality of judgment rule
Hook Yes  lift hoist  parts in the essential, but also by as an important, hook is good or bad equally also determines the electric hoist itself, the quality. Then we The how to choose hook it? Below Rebar Lifting & to answer your questions About electric hoist a hook quality judgment Method:
wire rope hoistt hook the hooks of the should be able to in the horizontal plane within the 360 ??° and vertical direction of the more than 180 ° within the scope of rotate flexibly;
Arbitrary torsional deformation can be more than 10 °;
Hook surface should be smooth, are not allowed there are spalling, acute angle, burrs, cracks, wrinkles and knife marks and other defects;
Dangerous section wear and tear amounted to the original size 10% of the, prohibit re-use;
Openings degrees than the original Dimensions increased by 15%, immediately replace the;
Dangerous section or hook neck produce plastic deformation, should stop using;
Nut AND hook crossbeam emergence any crack and deformation, can no longer use;
After a welding technical processing's hook unfit for use;
Splicing a later hook prohibit the use of.