| 摘要 |
A method for applying a coating of plastic on a metal shaft, wherein: (i) plastic is applied onto the shaft by means of injection moulding; (ii) an extruded plastic sleeve cut to the right length is placed on the shaft; (iii) the plastic is sprayed onto the shaft with the aid of a sprayer; (iv) the plastic is applied by lowering the shaft into a plastic solution; (v) plastic is applied in powder form onto the heated metal of the shaft; characterised in that after the plastic has been applied, a metal sleeve is moved relative to a shaft and the plastic applied thereto at the same time as the whole unit is supplied with ultrasound to calibrate the plastic sleeve on the shaft.
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