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GS-100B is a specialized machine used for restoring worn engine valve stems to original size and finish.
This valve stem grinding machine adopts a precision linear guide and balanced spindle to ensure smooth grinding results.
Designed as reliable engine valve repair equipment, it supports fast setup for different valve diameters and lengths.
With durable construction and easy operation, it works as an efficient valve stem polishing machine for automotive, truck, and diesel engine rebuilding.








| Item | Specification |
|---|---|
| Machine model | GS-100B |
| Function | Valve stem grinding |
| Valve stem diameter range | 5-16 mm |
| Max valve length | 200 mm |
| Grinding wheel diameter | 180 mm |
| Spindle speed | 3000 rpm |
| Feeding system | Manual fine feed |
| Grinding accuracy | 0.004 mm |
| Surface roughness | Ra≤0.32um |
| Motor power | 1.1 kW |
| Voltage | 220V / 380V |
| Cooling method | Circulating coolant |
| Fixture type | Adjustable collet holder |
| Net weight | 200 kg |
| Machine size | 750*550*1400 mm |



