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Heat treatment water quenching process of Guangyang Bearing

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Under the global economic crisis, the harsh market competition and the increasing demand of users have all proposed new challenges for us. Promote technological innovation and improve the quality level; save power and reduce costs; become Huaguang Yang heat treatment people unremittingly seek the policy. Through more than half a year of experimentation and exploration; Wa Guangyang heat treatment successfully studied the water quenching process of bearing parts. The current method has been officially classified into the normal production process; The pre-history of occupational single oil quenching; also invented the premise of satisfactory quality national standards; GCr15 steel uses a new record of scale expansion.
From the beginning of 2009; under the direct support and care of the company's executive vice president and technical vice president; the skill research group consisting of the middle of the skill, heat treatment workshop, physical and chemical testing and other units; under the cooperation of the associated external units; Parts water agent quenching research project. In the case of short related materials and data, experience; passed repeated sample experiments, mechanical function experiments, small batch product experiments, batch product trial production; deeper understanding of water agent quenching skills Know; gradually formed a set of sophisticated craftsmanship. The quality and function of the product are more full of pride.
Through more than half a year of operation; it proves that water quenching has an irreplaceable superiority over traditional oil quenching:
1. Heat treatment quality and mechanical function The water agent quenching is obviously better than oil quenching. Especially the large wall thickness GCr15 steel parts; after exceeding the certain scale; the micro-arrangement and hardness after oil quenching are unable to reach the national standard demand; There is an overwhelming advantage in this respect. And the professional mechanical function target test; water quenching is better than oil quenching in fatigue life and load carrying capacity.
2. Water agent quenching greatly saves cost. It includes three aspects: steel substitute, water instead of oil, saving electricity consumption. Replace GCr15SiMn with GCr15; under the premise of satisfactory quality JB/T1255 specification; use in comparison save; GCr15 roll expandable To the diameter of 80mm; GCr15 ferrule can be used to the wall thickness of 45mm; steel substitute; the income is considerable, replace the water with oil; per ton of water quenching liquid is lower than the price per ton of oil 2,500.00 yuan; and the consumption of water agent is significantly less than The consumption of oil, the heating temperature of the parts in the quenching of the water agent is low, and the time is short; the electric energy consumption is saved; these all greatly reduce the heat treatment cost of the bearing.
3. More environmentally friendly; safer. There is no fumes in the quenching process; no harmful volatiles; no air pollution; no fire hazard.
Currently; the skill has been declared a national invention patent.

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