Professional engine valve manufacturing machines supplier!


+0086-512-66294696+86 181 3697 7277

Double Station Valve Head & Seat Grinding Machine Double Station Valve Head & Seat Grinding Machine

Double station grinding machine is special purpose machine for engine valve. It is used for grinding head OD and chamfer, rough grinding seat face. the machine is double station grinding machine. it can process 2 PCS engine valve at the same time. Increase the quantity and efficiency. Suitable for mass production

Control system :
  • Servo control system
Warranty time :
  • One Year
Share this:
  • Model: MUG-B-2
  • Brand: Tianzhijiao
  • Code: 8460909000
  • Product Description
  • FAQ

Double Station Valve Head & Seat Grinding Machine

Production Description

Double Station Valve Head & Seat Grinding Machine is used for grinding OD, rough grinding seat face. Ranging from Stem diameter 5 mm to 8 mm, head diameter from 20 mm to 50 mm, Length from 80 mm to 150 mm. Our equipment is continually upgraded with the latest technologies in engine valve manufacturing. Proving the processing efficiency, reducing labor intensity and save cost with automated engine valve production line. 


  • The machine can process 2 PCS engine valve at the same time

  • High accuracy and efficiency 

  • Forming grinding: Guarantee the consistency of products 

Technical Parameter

Before Processing 
Processing range  Head diameter: 20-50 mm, Stem diameter: 5-8 mm, Length: 80-150 mm 
Material 21-4N, 4Cr10Si2Mo, Imported: SUH:3, SUH:35, etc. Hardness: 25-45HRc
Run out of stem: 0.01 mm, run out of top of head: 0.1 mm  Seat angle: 45-60 degree 
Grinding allowance  Within 4 mm
After Processing 
Processing accuracy
Head run out  Within ±0.03 mm, Sampling and using special insoection tool to measure 50 pieces
Seat run out  Within ±0.03 mm, Sampling and using special insoection tool to measure 50 pieces
Roughness  Within Ra 1.6
Cycle time  7s/piece ( according to requirement )
Wheel  CBN Wheel 
Total Power 

10 KW

Air Pressure 
0.4-0.6 Mpa 
Water Discharge 

Main Features

  • HT250 machine bed and feeding slider, tempering heat treatment to eliminate stress and it is not easy to deformation.

  • Feeding of parts is controlled by double servo motor to achieve the action control of the amount of cutting and automatic cycle.

  • Adjustment the amount of cutting is controlled by touch screen. 

  • Speed of CBN Wheel: 80-140 m/s

  • Feed guide rail, slider and ball screw are lubricated automatically by electrical filling pupm.

  • All sealed cover except for loading & unloading parts (We can install safety door lock system, it is up to the customer needs).

  • With automatic loading & Unloading mechanism.

  • The rail can meet different size valve and easy to adjust

  • With oil recovery apparanus device at the blanking way to prevent the fluid from leaking

  • With alarm device


Double Station Valve Head & Seat Grinding Machine is special purpose machine for engine valve. it is used to process engine valves (inlet valves and exhasut valves) in cars, motorcycles, trucks, and other engine valves.


How does our machine work?


Q: What is the payment terms?

A: 30% T/T in advance, the balance paid before shipment

Q: What is the capacity of engine valve production line?

A: The capacity of this line is 3500~4000 pieces/8 hour. 7000~8000 pieces/2 shaft/day. The real capacity is up to the size of engine valve and the skill of operator.

Q: How Many people are needed from raw material to ready valve?

A: We can provide completely engine valve production line from raw material to ready valve. We can alsp provide technical support for processing engine valve. it will need 15~20 people for this line. Our machining line just need 2~3 people. (it is up to the skill of operator).

Q: How long is the delivery?

A: 90 working days after we received the down payment.

Q: What can we do for customer?

A: Firstly, we are professional manufacturer for cnc engine valve grinding machine. We have more than ten years experience in processing engine valve grinding machine. Our technology adapt Japan and Taiwan technology and through many years innovation, the technology has mature.

Now, we have successfully developed fully automatic engine valve production line. And also put into use. Get good praise from our customer.
1. We can set up complete automatic engine valve production line according to customers needs.
2. We can make upgrade proposal according to customer real conditions.

3. Provide technical training for how to operate and install. in our company. of cause, it's free.
4. All machines have one year warranty. Within warranty period, Any questions except for man-made damage we offer the cost.
5. We can set up operation standard, technical guidence.

Installation and maintenance

We have a training for how to operate and install. Training place in our factory. We also can go to the factory of customer to install. the charges are paid by the customer.


Contact Us