Sharp Industries 47" X 80" Fully Automatic Dual Column Surface Grinder SHDC-4780
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$404,500.00
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For extra large and heavy work piece the double column surface grinder is ideal for large plate, die mold, and ceramic plates. The different models available can grind workpieces of up to 20 ft (6,000 mm) long and 5 ft (1,500 mm) wide with high accuracy.
- 47″ wide table, 55″ cross travel
- Table length: from 78.7″ to 5″
- Longitudinal travel: from 84.6″ to 4″
- Automatic lubrication system
- Oil temperature control
- Bedway length is twice that of table length gives full support for the entire travel of the table, no table overhang
- Bedway is designed with 2 v ways for perfect alignment of table travel, TURCITE coated to retain oil and resist friction
Specifications and Manual
| Specification | SHDC‑4780 |
|---|---|
| Capacity | |
| Table Travel | 55 × 84.6 in. (1,397 × 2,148 mm) |
| Spindle Center to Table Surface | 43.3 in. (1,099.8 mm) |
| Clearance Between Columns | 55.1 in. (1,399.5 mm) |
| Table | |
| Working Surface | 47.2 × 78.7 in. (1,198.8 × 1,998.9 mm) |
| Longitudinal Hydraulic Table Feed | 78.7–984 ipm (1,998.9–24,993.6 mm/min.) |
| Feed | |
| Intermittent Cross Feed | 0.004–1.38 in. (0.101–35.05 mm) |
| Continuous Cross Feed | 118 ipm (2,997.2 mm) |
| Feed per Graduation | 0.0008 in. (0.020 mm) |
| Feed per Revolution | 0.2 in. (5.08 mm) |
| Vertical Travel | |
| Feed per Division | 0.00004 in. (0.00101 mm) |
| Rapid Traverse | 9.8 ipm (248.92 mm/min) |
| Motor | |
| Wheel Size (OD × W × ID) | 20 × 3.94 × 8 in. (508 × 100.07 × 203.2 mm) |
| Horizontal Spindle Motor | 15 HP (11.18 kW) |
| Hydraulic Motor (longitudinal) | 10 HP (7.45 kW) |
| Spindle Speed | 1,150 rpm |
| Approximate Weight | 31,900 lbs. (14,469.5 kg) |
| Machine Dimensions (L × W × H) | 20.33 × 9.5 × 11.16 ft. (6.19 × 2.89 × 3.40 m) |
| Total Power Consumption | |
| 220V | 20 KVA |
Standard Equipment
- Criss cross grinding attachment
- Wheel with balancer, arbor, flange
- Auto compensation, auto dressing (with NC servo downfeed pkg)
- Electronic cross feed control, ac motor cross feed
- Table mounted dresser
- 2 axes digital readout system
- 220V or 440V
Optional Add-Ons
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- Electro Magnetic chucks (4 sets) with rectifiers
- Spare wheel flange
- Auto paper filter with magnetic separator (300 l tank)
- Servo cross feed and spindle down feed with MPG
- Linear guideway on cross feed, spindle downfeed