Introduction

CBN grinding wheel valve cone grinding machine, this machine tool is a mature and efficient special grinding machine developed and listed in recent years, suitable for engine inlet and exhaust valve cone grinding, with high precision, good stability. Ceramic CBN grinding wheel has long service life and long dressing cycle.

 

Specification parameter

Grinding wheel material:	CBN/Ceramic CBN
Basic condition of valve before processing
Machining valve range (Other size ranges can be customized)
Head diameter:	25-50mm, Stem diameter: 5-9mm, Length 80-150mm
Can process the valve material
21-4N, 4Cr10Si2Mo, imported SUH:	3, SUH:35, etc.; Hardness 25-45HRc
Valve condition before machining
Valve stem runout 0.005mm, head runout 0.05m
Valve seat Angle:	45-60°
Machining allowance:	0.10-0.20mm (diameter)
Basic state of valve after processing
Precision after valve machining
Run-out accuracy :	Max0.02mm
Seat height:	±0.03mm
Roundness :	Within 0.003mm
Surface roughness :	Within Ra0.4
Seat Angle :	±10'
Cycle time
With a processing allowance of 0.2mm as the standard, about 10 seconds/piece