Technical standards for quality inspection

1. The appearance is flat and the steel wires are evenly distributed, without local wire defects.
2. 100 * 10 * 20 cup type steel wire wheel with a 3mm thick A3 steel center sleeve.
3. The maximum working linear speed is 60m/s, the working speed is 11465 rpm, and the test speed for high-speed rotary machine is 1.5 times.
4. The different centricity of the steel wheel is ≤ 0.40mm.
5. Plywood: material 08F plate with a thickness of 1.2mm.
6. Steel wire for steel wheel: specification? 0.3~0.4mm mixed ratio production. Material: mechanical properties conform to YB248-64 II ɑ Registration,? 0.3~0.4mm。 The tensile strength of the steel wire is（ э b)=225~270kg/mm2;? 0.4 steel wire is（ э b)=220~265kg/mm2。 The breaking force of the tying tension test of the steel wire wheel is 50% of the breaking force without tying.

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The training of the product’s knowledge and examination for new employees

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