High quality crown wheel and pinion gear for Hino zs700 7*43 OEM 41201-2560

Q:How the HRC of product surface can be reached?
A:The surface hardness reaches HRC58-63, and the core reaches HRC30-35.
Q:What equipment do you mainly use for processing?
A:We mainly use The Gleason gear milling machine from the United States 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 box,After packaging, we paste the model label. As shown.
Q: How long is the product warranty?
A: The normal warranty period of the gear is three months, Wrong geometry size, Overall fracture, Not installable, Cases of more than 20% of similar problems belong all to the Three Guarantees scope, we are responsible for replacement.
Q: Do you have your own product inspection equipment? What tests do you do?
A:A、After forging we test metallographic structure and hardness，B、During the processing, the geometry sizesare randomly tested.C、after heat treatment we check the metallographic structure and depth and hardness of the carburizing layer.D、We check the contact area, noise, and various geometry sizes before delivery. We have professional equipment and inspectors to complete it.