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Valve R Multiple Use Grinding Machine

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Product Description

Valve multiple use grinding machine has different functions on processing engine valve

1) The machine can grind profile and neck of engine valve;

2) It can grind head diameter, rough grind seat face and head chamfer at the same time;

3) It can grind undercut of engine valve;

Process range: Head diameer from 20 mm to 60 mm, stem diameter from 5 mm to 12 mm, overall length from 80 mm to 220 mm;




Processing Parameter

Before process 
Processing range 
Stem diameter 
5mm to 10mm
Head diameter 
20 mm to 40 mm 
Length 
80 mm to 130 mm 
Material
21-4N, 4Cr10Si2Mo, Imported: SUH3, SUH35, Hardness 25-45 HRC 
Stem run out: 0.005 mm, head run out: 0.05 mm
Seat Angle: 45-60 degree
Grinding allowance: 0.1-0.3 mm (diameter)
After process
Process precision 
Run out accuracy 
Max. 0.03 mm 
Dimension accuracy 
±0.025 mm 
Roughness 
Within Ra1.6
Cycle time 
Speed: 0.8-1.5 mm/s   about 15s/piece


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  • Tel: +86-512-66294696
  • Phone:  +86-18136977277
  • E-mail: sales@tzjmachine.com
  • Add: No.20, Guangdian Road, Guangfu Town, Wuzhong District, Suzhou, China

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