T/CPARK 33-2023 Crankshaft pulley rope groove quenching processing technology specifications
T/CPARK 33-2023 Crankshaft pulley rope groove quenching processing technology specifications
Basic Information
Scope
Scope: This standard specifies the surface quenching method, process parameters, process temperature, cooling method and medium, original state of steel parts, hardness testing, and other related content for the drum rope grooves of new Chinese-style lifting products. This standard applies to the quenching processing of the drum rope grooves of lifting products. Other similar structures can refer to and implement it accordingly. Main technical content: 3 Terms and definitions 4 Drum material and original state 4.1 Drum material 4.2 Original state of the drum rope grooves before quenching 5 Requirements for drum rope groove quenching methods 5.1 Induction heating surface quenching 5.2 Flame heating surface quenching 5.3 Laser heat treatment 6 Cooling method and medium 7 Establishment of process specifications 7.1 Principles of process establishment 7.2 Process requirements for drum rope groove quenching 7.3 Requirements for determining process parameters 8 Process temperature detection requirements 9 Hardness testing requirements 10 Safety protection