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The Valve Stem Process
- Aug 21, 2018 -
  • Characteristics of traditional valve stem processing technology

1. Spiral fly cutter is used for traditional valve stem threads, and the thread accuracy is not allowed;The traditional chip - free rolling die is easy to damage, deformation and distortion.

2. The grinding machine is used in the polished rod position with low precision and long time.

3. The inverted seal is pulled and sealed with two clamps, with poor concentricity and easy leakage of the inverted seal.

4. The end part adopts milling machine dividing disc dividing, which is slow and time-consuming.