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Valve groove & tip radius grinding machine is special purpose machine for engine valve. It is suitable for grinding groove and tip radius of inlet valve and exhaust valve. Using CBN wheel. Driven by servo control system. more accuracy.
Valve Groove & Tip Radius Grinding Machine is special purpose machine and used for grinding groove and tip radius of engine valve. The machine can be single production and also can be connection production. our equipment is continually upgraded with latest technologies in processing engine valve.
We have two types this machine. Single station grinding machine and double station grinding machine. Double station grinding machine is with the same function with single station grinding machine. But it can process 2 PCS engine valve at the same time. Suitable for mass production.
Advantages
Forming grinding: Stem end chamfering and groove can be processed at the same time and guarantee the consistency of products.
Video
How does our machine work?
 Mechanical Spindle 6000 rpm high-speed spindle. Adapts Germany FAG precision bearing. High accuracy and easy to maintenance and changeover One year warranty |
 Control system Adapts Mitsubishi PLC Control system, Mitsubishi motion system & Mitsubishi touch screen All parameters can be set and display on touch screen Can store more sets program, you can choose according to different process technology |
 Feeding way & Positioning way Precision sliding table composed of linear guide. Moving according to air cylinder; Head face of engine valve positioning ,roller clamping assist. |
 Loading & unloading systemLoading & unloading system The rails can meet different size valves and easy to adjust The rest actions should carry out with grinding except for loading & unloading system Loading & unloading system has proper protection measures and don'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. |
 Feed Slide With X-axis and Y-axis, easy to operate through the touch screen. |
| Before Processing | ||
| Processing range | Stem Diameter: 5-8 mm, Head diameter: 20-50 mm, Length: 80-150 mm | |
| Material | 21-4N, 4Cr10Si2Mo, Imported: SUH:3,SUH:35, Hardness: 25-45 HRc | |
| Stem Run out : 0.02 mm, Head run out : 0.05 mm | ||
| Grinding allowance | 0.5-3 mm | |
| After processing | ||
| Processing accuracy | Groove accuracy | Within ±0.015 mm, Sampling and using special inspection tool to measure 50 pieces |
| Position of groove | Within ±0.02 mm，Sampling and using special inspection tool to measure 50 pieces | |
| Roughness | Within Ra 1.6 | |
| Cycle time | 6s/piece ( according to valve size ) | |
| Air Pressure | 0.4-0.6 Mpa | |
| Water diacharge | 20L/Min | |
| Wheel | CBN Wheel | |
| Wheel Speed | 80-120 m/s | |
| Machine Size | 2000*2100*2000 mm | |
| Machine Weight | ||
 Valve Groove & Tip Radius Grinding Machine is a special-purpose machine for engine valves. It is suitable for grinding groove and tip radius of the inlet valve and exhaust valve. |
Tianzhijiao specialied in engine valve grinding machine manufacturing and exporting, welcome to contact us for more machine details and quotation.
