C M Y CM MY CY CMY K
Specifications SGF7 Valve Size Capacities SEAT AND SGF8 Stem Diameter .150" - .630" (4 - 16mm) GUIDE SEAT AND Stem Length: 2.17" - 15" (55 - 381mm) GUIDE Head Diameter Up to 4.5" (114mm) Face Angles 0 - 60 Degrees Valve Rotation Speed Variable from 0 to 115 RPM Grinding Wheel Dimensions Main Valve Face Wheel 8.5" (225mm) Butt End Cup Wheel 4.0" (100mm) Grinding Wheel Speed 2800 RPM Centerless Grinding Power requirement 220V Single Phase 50/60Hz Valve Refacing Machine Machine Dimensions 27.5"x23.5"x27.5" 700x600x700mmH SF8A Shipping Weight 350lbs (160kg) SURFACING F67A Shipping Dimensions 42.2"x23.6"x35.8"H MULTI (1070x600x910mmH) PURPOSE CNC Specifications and design subject to change without notice. Performance racing and engine building machinery and equipment
F88S BORING, F8A SURFACING AND BORING LINE BORING HP6A HONING
8029 South 200th Street Represented by: Kent, Washington 98032 USA TEL: (253) 872-7050 FAX: (253) 395-0230 www.rottlermfg.com 1-800-452-0534 A U.S. Manufacturer Since 1923 C M Y CM MY CY CMY K
VR416 CENTERLESS GRINDING MACHINE
VVRS 8.5" (225mm) Large Diameter Cup Grinding Wheel Variable Valve The valve is refaced on side of the wheel to Rotation Speed maintain constant surface speed as wheel allows the operator to adjust wears. Combined with the Variable Valve surface speed for different Rotation Speed, assures constant surface diameter valves for best surface finishes, fast stock removal and maximum wheel finish for a wide range of valve life. Wheel dressing diamond mounted on head diameters from small multi micrometer adjusting device to accurately control valve to large diesel valves. amount of wheel removed during dressing. Butt End Grinding and Chamfering Device includes Positive V-Rest ensuring equal length valves and precise squareness. Micrometer adjustment allows measurement of exact amount removed from butt end while grinding.
VR416 Centerless Grinding System Quick Release Handle sets new standards for performance racing and stock moves the valve away from the grinding work and eliminates collets and chucks. Valve face is wheel after refacing is completed so ground concentric with the stem to within .0004” (.01mm) that the valve can be removed without TIR for improved sealing, better heat transfer, and reduces switching off the motors. Eliminates mechanical stresses on valves. the need to adjust the valve in and out for loading and unloading resulting in a set of valves all refaced exactly the same length.
Centerless Grinding System handles large range of Diamond Dresser conveniently folds out of the valve stem diameters from way with the micrometer set for the next fine .150”–.630” (4-16mm) wheel dressing. without changing any collets or chucks!
Stroking Handle Dual purpose handle moves the Canted Roller Drive System valve back and forth over the eliminates the need to manually grinding wheel and also lifts the feed valve into or away from rotation drive roller away from grinding wheel during refacing. the valve stem for changing Canted rollers feed valve against valves. a precision stop which accurately controls valve length on every valve - automatically.
Removable coolant tank and pump for easy Solid Cast Iron Construction cleaning. dampens harmonics, eliminates chatter, and maintains accuracy for a long service life. AC Tech Controller The VR416 does not No need to switch off the Diamond Dresser in place – no wrenches, and not necessary to swith off the grinding wheel converts single phase incoming power require compressed air. motors when changing valves rotation motor. to 3 phase for the grinding wheel motor reducing machining time and giving smooth rotation for super fine finish. increasing life of motors. C M Y CM MY CY CMY K
VR416 CENTERLESS GRINDING MACHINE
VVRS 8.5" (225mm) Large Diameter Cup Grinding Wheel Variable Valve The valve is refaced on side of the wheel to Rotation Speed maintain constant surface speed as wheel allows the operator to adjust wears. Combined with the Variable Valve surface speed for different Rotation Speed, assures constant surface diameter valves for best surface finishes, fast stock removal and maximum wheel finish for a wide range of valve life. Wheel dressing diamond mounted on head diameters from small multi micrometer adjusting device to accurately control valve to large diesel valves. amount of wheel removed during dressing. Butt End Grinding and Chamfering Device includes Positive V-Rest ensuring equal length valves and precise squareness. Micrometer adjustment allows measurement of exact amount removed from butt end while grinding.
VR416 Centerless Grinding System Quick Release Handle sets new standards for performance racing and stock moves the valve away from the grinding work and eliminates collets and chucks. Valve face is wheel after refacing is completed so ground concentric with the stem to within .0004” (.01mm) that the valve can be removed without TIR for improved sealing, better heat transfer, and reduces switching off the motors. Eliminates mechanical stresses on valves. the need to adjust the valve in and out for loading and unloading resulting in a set of valves all refaced exactly the same length.
Centerless Grinding System handles large range of Diamond Dresser conveniently folds out of the valve stem diameters from way with the micrometer set for the next fine .150”–.630” (4-16mm) wheel dressing. without changing any collets or chucks!
Stroking Handle Dual purpose handle moves the Canted Roller Drive System valve back and forth over the eliminates the need to manually grinding wheel and also lifts the feed valve into or away from rotation drive roller away from grinding wheel during refacing. the valve stem for changing Canted rollers feed valve against valves. a precision stop which accurately controls valve length on every valve - automatically.
Removable coolant tank and pump for easy Solid Cast Iron Construction cleaning. dampens harmonics, eliminates chatter, and maintains accuracy for a long service life. AC Tech Controller The VR416 does not No need to switch off the Diamond Dresser in place – no wrenches, and not necessary to swith off the grinding wheel converts single phase incoming power require compressed air. motors when changing valves rotation motor. to 3 phase for the grinding wheel motor reducing machining time and giving smooth rotation for super fine finish. increasing life of motors. C M Y CM MY CY CMY K
Specifications SGF7 Valve Size Capacities SEAT AND SGF8 Stem Diameter .150" - .630" (4 - 16mm) GUIDE SEAT AND Stem Length: 2.17" - 15" (55 - 381mm) GUIDE Head Diameter Up to 4.5" (114mm) Face Angles 0 - 60 Degrees Valve Rotation Speed Variable from 0 to 115 RPM Grinding Wheel Dimensions Main Valve Face Wheel 8.5" (225mm) Butt End Cup Wheel 4.0" (100mm) Grinding Wheel Speed 2800 RPM Centerless Grinding Power requirement 220V Single Phase 50/60Hz Valve Refacing Machine Machine Dimensions 27.5"x23.5"x27.5" 700x600x700mmH SF8A Shipping Weight 350lbs (160kg) SURFACING F67A Shipping Dimensions 42.2"x23.6"x35.8"H MULTI (1070x600x910mmH) PURPOSE CNC Specifications and design subject to change without notice. Performance racing and engine building machinery and equipment
F88S BORING, F8A SURFACING AND BORING LINE BORING HP6A HONING
8029 South 200th Street Represented by: Kent, Washington 98032 USA TEL: (253) 872-7050 FAX: (253) 395-0230 www.rottlermfg.com 1-800-452-0534 A U.S. Manufacturer Since 1923