TJ(97-06) Front DANA 30 3.73 short D30373TJ crown and pinion hot sale

Q: How to achieve HRC on the surface of the product?
Answer: The surface hardness reaches HRC58-63, and the core hardness reaches HRC30-35.
Q: What equipment do you mainly use for processing?
A: We mainly use American Gleason gear milling machine for milling, continuous carburizing furnace for heat treatment, carburizing time is between 20-30 hours.
Q: What packaging do you use?
A: Put them together into a five-layer corrugated carton, after packing, we paste the model label. as the picture shows.
Q: How long is the product warranty period?
Answer: The normal warranty period for gears is three months, and more than 20% of geometrical size errors, overall breakage, failure to install, and similar problems are covered by the three guarantees, and we are responsible for replacement.
Q: Do you have your own product inspection equipment? What tests did you do?
A: A. Check the metallographic structure and hardness after forging, B. Randomly check the geometric dimensions during processing. C. Check the metallographic structure and the depth and hardness of the carburized layer after heat treatment. D. Check the contact area, noise and various geometric dimensions before delivery. We have professional equipment and inspection personnel to complete.