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Scarlo Twingrip Centerless Grinding Machines Model SG300 (12") and Model SG500 (20")
Product Specification
| GRINDING RANGE (DIA) | 1 TO 150 MM |
| MAXIMUM LENGTH FOR INFEED GRINDING | 300MM& 500MM (SG500) |
| GRINDING WHEEL SIZE (OD X WD X ID) | 610 X 300 X 304.8 MM |
| REGULATING WHEEL SIZE (OD X WD X ID) | |
| GRINDING WHEEL PERIPHERAL SPEED | 350 X 300 X 152.4 MM |
| REGULATING WHEEL SPEED RANGE | 45 M /SEC |
| GRINDING WHEEL MOTOR POWER 30HP / 40 HP OPT | 0 – 300 RPM |
| REGULATING WHEEL MOTOR POWER | 30HP / 40 HP OPT |
| SPINDLE LUBRICATION PUMP MOTOR | 5 HP / 7.5HP OPT |
| GRINDING WHEEL SPINDLE LIFT MOTOR | 1HP |
| DRESSER ACTUATION PUMP MOTOR | 0.25 HP |
| SLIDE LUBRICATION MOTOR | 0.125HP |
| COOLANT PUMP MOTOR | 1 HP |
| COOLANT PUMP DISPLACEMENT CAPACITY | 160LPM |
| OIL CHILLER UNIT MOTOR | 1 HP |
| INFEED LOWER SLIDE FEED GRADUATION | 0.02MM |
| INFEED SLIDE SERVO GRADUATION | 0.125 HP |
| AC INVERTOR FOR GRINDING WHL SPINDLE | 0.25 HP |
| AC INVERTOR FOR REGULATING WHL SPINDLE | 5 HP STANDARD |
| REGULATING WHEEL TILT ANGLE | 160 LPM |
| REGULATING WHEEL DRESSER DIAMOND OFFSET RANGE | 1 HP |
| INFEED SERVO MOTOR RATINGS (NM) | 0.02MM |
| DRESSER SERVO MOTOR RATINGS (NM) | 1 HP |
| TOTAL PEAK POWER CONSUMPTION | 40HP |
| MACHINE FLOOR SIZE> | 4M X 4M X 3M |
| TOTAL MACHINE WEIGHT | 6300 KGS/ 9300KGS( 20”) |
| TOTAL SHIPPING WEIGHT | 7000 KGS/10000KGS(20”) |
| COUNTRY OF ORIGIN | INDIA |
Salient Features
- One Piece Rugged Machine base casting.
- Both spindles are of twin grip design.
- Rigid Twin grip type Grinding wheel Spindle housing bolted directly on the machine base.
- Trouble free segment type hydrodynamic Babbitt bearing with cartridge design at both ends for grinding wheel spindle.
- Spindle Lifting mechanism with auto cutoff for long spindle and bearing life.
- High precision Double Thrust bearings on grinding wheel spindle.
- Pulley side spindle with taper bearings and single housing.
- Twin grip regulating wheel design supported on Babbitt Bearing with AC variable speed Drive
- Continuous Lubrication for Both Spindles with dry run protection.
- Ceramic coated spindles on both wheels.
- Automatic Spindle oil Temperature cut-off mechanism to protect spindle assemblies.
- Refrigerant type spindle oil chilling unit to maintain oil temperature at higher grinding speeds.
- Automatic lubrication to slide ways of upper and lower infeed slide.
- Automatic lubrication for grinding and regulating wheel truing units
- Turcite coating for friction reduction between slide systems.
- Antifriction infeed slide system for servo-controlled machines with 0.001mm least count.
- Antifriction grinding wheel dresser system with no need for taper correction.
- Electric profile truing for both wheels.
- Rigid High precision ground ball Screw for infeed axis movement.
- Swivel type regulating wheel truing unit which is independent from regulating wheel swivel.
- Stand-alone Refrigerant type spindle oil chiller unit with auto cutoff.
- Scarlo Grinding Wheel Dresser Comes with Antifriction Linear Bearing for TraverseAxis which completely eliminates friction and taper.
- The Dresser ram works on cross roller type anti-friction bearing for Precision ram movement.
- Diamond advance least count is 0.001mm and motion is servo-controlled on grinding wheel dress unit.
- Apart from the above-mentioned features, grinding wheel dresser is equipped with precision ground Ball screws for both axis traverse motion and diamond ram movement.
- Scarlo Infeed Design Has a swivel slide for works taper adjustments. Antifriction bearings between the swivel and middle slide are a standard feature on all machines all machines are fitted with high precision ground ball screw in line with the hand wheel for infeed movement
- Scarlo CNC/ PLC Infeed design comes with Swivel Slide for work piece taper adjustments antifriction bearing between swivel and middle slide are a standard feature on all machines.
- All machines are equipped with high precision ground ball screw fitted in line with bellow type coupling and directly with servo motor for infeed axis movement.
- Constant Cutting Speeds for grinding wheel spindle up to 45 mtr./sec.
- recision ground work bPlade to suit job
- Machine mounted jib crane for model SG2 and above
- Magnetic type coolant filter with paper band coolant chilling device
- Automatic balancing unit for grinding wheel which can run independently or through CNC Logic
