Production technology of integral upset hollow pumping rod

Production technology of integral upset hollow pumping rod

  • CN 1,199,809 A
  • Filed: 05/16/1997
  • Published: 11/25/1998
  • Est. Priority Date: 05/16/1997
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of integral body (upsetting squeeze) sucker rod production technology, activities are that raw material is rechecked (1), and other end upsetting squeeze is carried out in scale blanking (4) after the end upsetting squeeze, modified then (7), aligning (8), end tempering (9), carrying out flaw detection (10), cold working (11) is until the packing warehouse-in;

  • What it is characterized in that end upsetting squeeze employing is secondary upsetting squeeze moulding, and what aligning operation (8) adopted is thermal straightening.

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