Constant Velocity joints weighing is 3.5kg and are made of 40Cr/CF53, The heat treatment of the product is waste heat isothermal annealing, then what is waste heat isothermal annealing?
Waste heat isothermal annealing refers to the process in which the forging billet is cooled to a certain temperature below Ac1 (generally 650℃) after stopping forging (generally 1000~1100℃), and the furnace is cooled to about 350℃ after holding for a certain period of time, and then comes out of the oven for air cooling.
The low carbon and low alloy structural steel forgings are treated by isothermal annealing after forging, which can obtain uniform and stable hardness and microstructure, improve the machining performance of the forged billets, reduce tool loss, and prepare for the final heat treatment.
The heat treatment method adopted by Constant Velocity joints is isothermal annealing. The heating temperature of isothermal annealing and complete annealing is exactly the same, Ac3+30~50℃, but the cooling way is different.
Product specification:
| boundary dimension | (φ75-φ105)x(110-220) |
| weight | 1.2-3.5Kg |
| material | 55# |
| heat treatment | Waste heat isothermal annealing |
| product description: | constant velocity joint |
| materials | medium carbon steel |
| processing technic | warm forging+heat treatment+kaltrichten+machine work |
| fabricating machinery | Mechanical press/Hydraulic press+CNC Lathe |
| checkout equipment | Zeiss CMM+Mitoyo contourgraph |
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FAQ:
Q: Why do customers choose your products?
A:The company has many years of experience, reliable quality, reasonable price, professional technology and sound after-sales service commitment.
Q: What are your company's main products?
A: Automotive precision forging products.
Q: Can you send me a sample?
A: Yes, we can send you the sample to check the quality, but you need to pay all the cost of the sample.
Q: How to get the best price?
A: You can consult our commercial department for pricing.
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CNC Lathe Drive Shaft Outer Cv Joint Truck 40Cr CF53 Heat Isothermal Annealing Images
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