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Valve R Multi Purpose Machine

Valve R Multi Purpose Machine Valve R Multi Purpose Machine

Valve R Combined Grinding Machine is special purpose machine and is used for grinding out cycle, rough grinding seat face and R of engine valve.

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Product Description

Valve R Multi Purpose Grinding Machine is special purpose machine and used for grinding out cycle, rough griding seat face, R of engine valve. Ranging from stem diameter: 4.5 mm to 13 mm, Head diameter: 17 mm to 60 mm, overall length: 70 mm to 220 mm. Our equipment is continually upgraded with latest technologies in processing engine valve. the machine can be single production and can be connection production.  



Main Features

spindle

Mechanical Spindle 

Spindle speed: 6000 rpm;

Adopt German FAG precision bearing;

High precision;

Easy to maintenance and changeover.


head spindle

Headstock spindle 

Spindle speed: 300-3000 rpm;

Adopt German FAG precision bearing;

Match single cone multi-contact precision spring collet.



Grinding wheel

CBN Wheel

High efficiency;

Long life span;

Electroplate treatment;

CBN Profiled wheel. The wheel can rough grinding seat face, head diameter, and head chamfer;

Can rough grinding undercut of engine valve; 

Can rough grinding head face of engine valve. 


loading system

Loading & unloading system 





 The rails can meet different size valves and easy to adjust;

 The rest actions should carry out with grinding except for the loading & unloading system;

 Loading & unloading system has proper protection measures and doesn't affect the operator to change the fixture, wheel, and other toolings;

If the loading & unloading system is out of order, the machine will ring and stop the cycle





stem end positioning

Feeding way & Positioning method


Composed of ball screw and linear guide;

Easy to maintenance and replacement.

Stem tip position, OD assist.








Technical Parameter

Before Processing 
Processing Range Head diameter: 20-50 mm, Stem diameter: 5-10 mm, 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, Run out of head top: 0.1 mm 
Seat Angle 45-60 degree
Grinding allowance within 4mm
After Processing 
Processing accuracy
out cycle toleranceWithin ±0.03 mm, Sampling and using speacial inspection tool to measure 50 pieces
Thickness of seat within ±0.03 mm, Sampling and using special inspection tool to measure 50 pieces
Roughness WIthin Ra 1.6  
Slide Stroke 
Max. Stroke X-axis 250
Max. Stroke Y-axis 150
Cycle time Within 15s/piece
Air pressure 
0.4-0.8 Mpa 
Water discharge 
20L/Min 
Total Power 
20 KW 
Current 380V/50Hz 
Machine Size 
2100*1900*2000 mm 
Machine Weight 
3000 KG 


Video


Application

Valve Multi Purpose 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.

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