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Valve Tip End Grinding Machine

Valve Tip End Grinding Machine is special purpose machine for engine valve. It is used for grinding tip end face of engine valve. Using CBN Wheel to process. High precision with high efficiency.

  • VEG-300
  • Tianzhijiao
  • 8460909000

Valve Tip End Grinding Machine

Product Description 

Valve Tip End Grinding Machine is special purpose machine for tip end face of engine valve. Ranging from stem diameter: 5-8 mm, head diameter: 20-50 mm, overall length: 80-150 mm. The machine can single production and also can be connection production. Our equipment is continually upgraded with latest technologies in processing engine valve. 

Valve Tip End Grinding Machine

Technical Parameter

Before Processing 
Processing Range  Head diameter: 20-50 mm; Stem diameter: 5-10 mm; Ovrall length: 70-150 mm          
Material 21-4N, 4Cr10Si2Mo  Imported: SUH:3, SUH:35, etc.  Hardness: 25-45 HRc
Run out of stem: 0.01 mm
Grinding allowance: Min. 0.1 mm (best), Max. 0.3 mm 
After Processing 
 Length accuracy Within ± 0.02 mm, Sampling and using special inspection tool to measure 50 pieces
Within 0.02 mm, Sampling and using special inspection tool to measure 50 pieces
Roughness  Within Ra 0.8
Air Pressure 0.4-0.6 Mpa 
Water discharge 20L/Min 
Wheel  CBN Wheel ( Customized )
Wheel speed 50m/s 
Total power 7 KW
Current  380V/50Hz
Machine Size   2000x2100x2000mm
Machine Weight  2200 KG

Stem End Grinding Machine

( Patent Products )

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. can set permission passward after commission.

  • Speed of CBN Wheel: 50 m/s 

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

  • All sealed sheet metal 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 frame can meet different size ( within the above range ) valve and easy to adjust



Valve Tip End 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, boat and other engine valves.

engine valve



How does our machine work?


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: 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.

+86-512-66294696       +86 18136977277
+86 13625282686
No. 20, Guangdian Road, Guangfu Town, Wuzhong Dist, Suzhou, Jiangsu, China 
Tianzhijiao specialied in engine valve grinding machine  manufacturing and exporting, welcome to contact  us for  more machine details and quotation.


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