1. This machine is special for grinding the valves in internal combustion engines (the valves in engines on automobiles and tractors), featuring small size, flexible and easy operation. 2. The parts are ground with high surface finish and accuracy.  Specifications 1. Valve seat and valve grinding machine;  2. Velve grinder;  3. Easy operation;  4. High accuracy; VALVE SEAT & VALVE GRINDING MACHINE  

Model	Unit	VR90/3M9390A
Max. dia. of valves to be ground	mm	90
Dia. of valve stems to be gripped (standard)	mm	6 ~ 16
Dia. of valve stems to be gripped (special)	mm	4 ~ 7
Dia. of valve stems to be gripped (special)	mm	14~ 18
Angles of valves to be ground	°	25 ~ 60
Longitudinal movement of geared head	mm	120
Transverse movement of grinding wheel head	mm	95
Max. cutting depth of ground valve	mm	0.025
Grinding wheel spindle speed	rpm	4500
Geared head spindle speed	rpm	125
Motor for grinding wheel head
Model		YC-Y7122
Power	kw	0.37
Voltage	v	220
Frequency	Hz	50/60
Speed	rpm	2800
Motor for geared head
Model		JZ5622
Power	kw	0.09
Voltage	v	220
Frequency	Hz	50/60
Weight	kg	120
External dimensions (L * W * H)	cm	68 * 60 * 60