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CORMAK SGA 40100AHD

The 400x1000 surface grinder is an advanced machine designed for precise flat surface grinding in the machine tool industry. Equipped with automatic feeds on three axes and a digital readout, it ensures high processing accuracy while maintaining a robust construction. A key advantage of this magnetic surface grinder is its capacity to handle heavy workpieces up to 600 kg, making it a reliable tool for demanding production applications.

The 400x1000 surface grinder is built on a solid bed construction, providing rigidity and minimizing vibrations during machining. The spindle, running at 1,450 rpm, is mounted in precision bearings, guaranteeing stable operation of the grinding wheel (350 x 40 x 127 mm). The hydraulic system operates the longitudinal table movements within a range of 7~23 m/min, while automatic cross and vertical feeds allow exact motion control. The worktable (406 x 1,020 mm) is equipped with an electromagnetic chuck for easy workpiece clamping and increased safety. The integrated coolant system with a 0.14 kW pump efficiently dissipates heat, preventing thermal deformation.

Precision in the 400x1000 surface grinder is achieved through advanced feed mechanisms and controls. Automatic intermittent cross-feed in the range of 0.1~8 mm and a vertical feed from 0.005 mm enable tolerances below 0.01 mm, crucial for manufacturing parts with strict dimensional requirements. Performance is enhanced by a maximum table feed of 450 x 1,130 mm at speeds up to 990 mm/min during cross-travel, allowing for rapid processing of large surfaces without sacrificing accuracy. The optimally speeded grinding wheel ensures even material removal, minimizes wear, and delivers a surface finish Ra below 0.2 μm. The digital readout system for all three axes removes manual errors, reduces setup times, and boosts throughput for production cycles.

Technical Data:
- Worktable size: 406 x 1,020 mm
- Max. table travel: 450 x 1,130 mm
- Table slot: 14 x 3 mm
- Longitudinal table speed: 7~23 m/min
- Max. distance from table surface to spindle center: 570 (460) mm
- Max. load (including chuck): 600 kg
- Automatic intermittent cross-feed: 0.1~8 mm
- Rapid cross-feed: 990 mm/min
- Handwheel feed: 0.02 (0.001") mm, 5 (0.2") mm
- Grinding wheel size: 350 x 40 x 127 mm
- Grinding wheel speed: 1,450 rpm
- Automatic vertical feed: 0.005/0.01/0.02/0.03/0.04/0.05 mm
- Rapid vertical feed: 480 mm/min
- Handwheel vertical feed: 0.005 (0.0002") mm/div., 1 (0.04") mm/rev.
- Spindle motor: 5.5 kW
- Oil pump motor: 2.2 kW
- Coolant pump motor: 0.14 kW
- Vertical drive motor: 1 kW
- Cross drive motor: 0.04 kW
- Weight: 4,000 kg
- Machine dimensions (L x W x H): 3,300 x 2,400 x 2,000 mm

Standard Equipment:
- Digital readout for 3 axes
- Electromagnetic table 406 x 1,020 mm
- Grinding wheel
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- Balancing arbor for grinding wheel
- Wheel flange
- Complete tool kit
- 24V lighting system
- Coolant system

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