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Product Description
Quality control plan for rotor in washing machine motor
| Suzhou Nanxin Electric Machinery Co., LTD | |||||||||
| Parts: motor Parts Description: Motor parts processing | |||||||||
| Items | Process | Tools | Characteristic | Level | Method | Mode of handling | |||
| Object | Description | Work rules | Sample | Control Method | |||||
| Frequency | |||||||||
| Rotor processing | Punching | Vernier caliper | basic size | Process control | A | 《冲制工序检验内容及标准》 | Random | Group leader's daily report | Stop production and check the molds |
| Casting | Vernier caliper | Aluminum ring size | Process control | A | 《转子压铸工序检验内容及方法》 | 1 time/every 12 hours | Die casting sampling inspection record | ||
| Appearance | visual inspection | Process control | A | 1 time/every 12 hours | |||||
| Short-circuit test | Short circuit test bench | electrical property | Process control | B | 《产品型号规格表》 | / | Record short circuit losses | Isolate nonconforming products | |
| Axial compression | Vernier caliper | Core shaft | Process control | B | 《压轴工序检验指导书》 | 1 time/every 4 hours | Random inspection and record of rotor machining | ||
| Marking | Signet tooling | Marking | Process control | B | 《冲浇口工序操作指导书》 | 1 time/every 4 hours | Random inspection and record of rotor machining | Stop production and check the molds | |
| Chamfering | Lathe | Chamfering | Process control | B | At both ends 0.3×45° | 1 time/every 4 hours | Random inspection and record of rotor machining | ||
| Inner hole roller | Rolling knife, plug gauge | Inner hole | Process control | A | 《转子检验内容及标准》 | 1 time/every 2 hours | Random inspection and record of rotor machining | ||
| Cylindrical turnings | Lathe、micrometer | OD | Process control | A | 《产品型号规格表》 | 1 time/every 2 hours | Random inspection and record of rotor machining | ||
| Cleaning | Wire brush | Burr | Process control | B | 《转子检验内容及标准》 | All inspection | Random inspection and record of rotor machining | ||
| Bluing | Annealing furnace | Heat treatment | Process control | A | 《转子发蓝工序操作指导书》 | / | Rotor blue recording | Isolate nonconforming products | |
| Inspection | Run-out instrument | Run-out | Finished product control | A | ≤0.05mm | 1 time/each box | Daily report of inspector and team leader | Return to responsible department for rework | |
| Vernier caliper | basic size | Finished product control | A | 《产品型号规格表》 | 1 time/each box | Daily report of inspector and team leader | |||
| Micrometer | Diameter | Finished product control | A | 《产品型号规格表》 | 1 time/each box | Daily report of inspector and team leader | |||
| Appearance | visual inspection | Finished product control | A | 《转子检验内容及标准》 | All inspection | Daily report of inspector and team leader | Isolate nonconforming products | ||
| Plug gauge | Inner hole | Finished product control | A | 《转子检验内容及标准》 | All inspection | Daily report of inspector and team leader | |||
