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Valve Head & Seat Grinder is special purpose machine for engine valve. It is suitable for grinding head OD, chamfer and rough grinding seat face. We have two types: Single station and double station grinding machine. Double station grinding machine can process two pcs engine valve at the same time, increase the efficiency. suitable for mass production and connection production.
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Valve Head & Seat Grinding Machine
Product Description
Valve Head & Seat Grinding Machine is special purpose machine for engine valve. It is used for grinding OD, rough grinding seat face of engine valve. Ranging from stem diameter：5 mm to 8 mm, Head diameter: 20 mm to 50 mm, Overall length: 80 mm to 150 mm. The machine can be single production and also can be connection production. Our equipment are continually ungrade with latest technologies in processing engine valve.
We have two types this machines. one type is single station valve grinding machine, another types is double station valve grinding machine. It can process 2 PCS engine valve at the same time. Increase the quantity and efficiency. Suitable for mass production.
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: 35-45 HRc | |
| Stem run out: 0.01 mm, Head run out : 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 inspection tool to measure 50 pieces |
| Seat run out | Within ±0.05 mm, Sampling and using special inspection tool to measure 50 pieces | |
| Roughness | Within Ra1.6 | |
| Cycle time | Within 7s/piece ( according to valve size ) | |
| Wheel size | CBN Wheel | 380*160*20 mm |
| Wheel speed | m/s | 80-140 |
| Air pressure | 0.4-0.6 Mpa | |
| Water discharge | 20L/Min | |
| Power | 10 KW | |
| Current | 380V/50Hz | |
| Machine size | 2000x2100x2000 mm | |
| Machine Weight | 2000 kg | |
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 grinding 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 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 rail can meet different size valve and easy to adjust
Application
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 Lawn machine, cars, motorcycles, trucks, boat and other engine valves.
Video
How does our machine work?
