Blocker-type forging method of travelling block lifting ring for petroleum drilling machine lifting system
A lifting system, tire die forging technology, applied in manufacturing tools, forging/pressing/hammer devices, forging/pressing/hammering machinery, etc., can solve the problems of reducing mechanical properties, high wire cutting costs, affecting service life, etc. Achieve the effect of excellent mechanical properties, less machining allowance, and good use requirements
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[0053]Example
[0054]1. Take the YC450 traveling block lifting ring as an example, formulate the forging drawing according to the parts drawing, design the tire mold, calculate the weight of the forging, blanking weight, blanking specifications, determine the initial forging and final forging temperature, forging fire number, and blank thickness , Forging deformation process, forging equipment and cooling after forging, etc., to prepare forging process.
[0055]2. According to the shape and size of the forging, calculate the weight of the forging to be 390kg, and forging for 2 fires, considering the fire consumption, the blanking weight is 410kg, and the blanking size is about Φ400×415.
[0056]3. Heating, heating to the initial forging temperature of 1180-1200°C in accordance with the heating specification, and holding for 2 hours.
[0057]4. Free forging upsetting billet, the billet is a round cake shape, the thickness of the billet is 5mm smaller than the thickness of the forging, the outer...
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