CNC Grinding Machine for Head of Truck Engine Valve

Machine Description
Valve head & seat grinder is special purpose machine for engine valve. It is used for grinding valve head. Processing range Stem diameter: 4.5-13 mm, Overall length: 60-220 mm, Head diameter: 20-65mm. All machines are customzied according to the requirement of customer. 

Processing parts


Technical Parameter
Main Feature 
1. Using CBN High speed grinding wheel to grind. Wheel speed: 80-140m/s 
2. PLC Control, servo drive. Easy to operate
3. Can single production and also can be connection production
4. The frame can meet different size valve and easy to adjust
5. With automatic loading and unloading mechanism, save labor cost
6. With protection and safety measures in loading and unloading parts. more safe and clean

Machine Assembly


Inlet Valve Technology 

1) Rough Forming 
Bar Cutting  --- Bar chamfering --- Upset --- Forge --- Harden --- Tempering --- Polishing --- Straighten Stem --- Straighten head

2) Machining Processing 
Cut off to length --- Stem End Drill --- Stem End Weld --- Stress relief --- Stem end Grinding ( rough ) --- Remove burr --- Stem centerless grinding ( rough ) --- grinding HOD --- Grinding groove and tip chamefer ---Stem Centerless grinding ( finish ) --- Nitriding --- Stem-end grinding ( finish ) --- Seat Grinding ( finish ) --- TEST, RUST-PROOFE

Exhaust Valve Technology 

1) Rough Forming 
Bar cutting --- Bar chamfer --- Upset --- Forge --- Harden --- Tempering --- Polishing --- Straighten Stem --- Straighten Head --- Cut off to length --- STL R Grinding --- Wed Head --- TOP Weld --- Stress relief 

2) Machining Processing 
Stem-end grinding ( rough ) --- Remove burr --- Stem centerless grinding ( rough ) --- Grinding HOD --- Grinding groove and tip chamfer --- Stem centerless grinding ( finish ) --- Nitride --- Stem-end grinding ( finish ) --- Seat grinding ( finish ) --- TEST, RUST-PROOFE 


FAQ
Q: How long is the delivery ?
A: After placing an order, We receive the dowm payment, We will start your project, it will last 60~90 working days. 

Q: What is the payment terms?
A: We accept 30% T/T in advance, the balance paid before shipping 

Q: What is the capacity of automatic engine valve production line?
A: The capacity of engine valve production line is 3500~4000 pieces/shaft ( one shaft=8 hours ). Two shaft in one day is available. the real capacity is up to the valve size. 

Q: How many people are needed from raw material to ready valve?
A: About 15-20 people from raw material to ready valve. If you staff are good at the operation, you can cut the number.

Q: What can we do for our customer?
A: We can provide machining line of engine valve and technology guidence and set up operation standard. We can also set uo nitride line for engine valve.
We will provide the training for how to operate and install.

Q: For installation this line the seller are needed or we can do by ourself?
A: The customer can't do. Our staff will assist you. 

Our Company 
Suzhou Tianzhijiao Precision Machinery Co.,Ltd is specialized in CNC Engine Valve Grinding Machine. We have more than ten years experience in processing engine valve grinder. Our technology comes from Taiwan and Japan. Through many years innovation, our technology has mature. 
Main machines: Valve cut off machine, Centerless Grinder, Valve Head & seat Grinder, Valve Groove & Tip Radius Grinder, Valve Stem End Grinder, Valve Seat Grinder, Double station grinder, Multi-purpose grinder, Induction harden machine, etc.

Main customers included: Japan Fuji OOZX Inc, PT FUJI Valve Indonesia, Federal-Mogul Powertrain, Worldwide Group, DAIDO KOGYO ( SHENZHEN) CO.,LTD, FUJI VALVE IN GUANGDONG, CHONGQING YONGFENG VALVE, CHONGQING DADONG VALVE, ZHENJIANG WEINATE VALVE AND SOME VALVE FACTORY IN CHINA.