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CORMAK SGA 40100AHD

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

The 400x1000 surface grinder is based on a solid bed structure, ensuring rigidity and minimizing vibrations during machining. The spindle, running at 1450 rpm, is mounted in precision bearings, guaranteeing stable operation of the grinding wheel sized 350 x 40 x 127 mm. The hydraulic system controls longitudinal table feeds within the 7~23 m/min range, while automatic cross and vertical feeds provide accurate movement control. The worktable, measuring 406x1020 mm, comes with an electromagnetic chuck, facilitating workpiece clamping and enhancing safety. An integrated 0.14 kW coolant pump efficiently dissipates heat, preventing thermal deformation.

In the 400x1000 surface grinder, precision stems directly from advanced feed and control mechanisms. Automatic intermittent feed within 0.1~8 mm and vertical feed from 0.005 mm allow for achieving tolerances below 0.01 mm, crucial for manufacturing parts with high dimensional requirements. Productivity is enhanced by a maximum table traverse of 450x1130 mm at speeds up to 990 mm/min in cross movement, enabling fast machining of large surfaces without sacrificing accuracy. The optimally running grinding wheel ensures uniform material removal, minimizing wear and improving Ra finish below 0.2 μm. The digital readout system for all three axes eliminates manual errors, reducing setup time and increasing throughput in production cycles.

Technical Data

Worktable size: 406x1020 mm
Maximum table traverse: 450x1130 mm
Table slots: 14x3 mm
Longitudinal table feed speed: 7~23 m/min
Max. distance from table surface to spindle center: 570 (460) mm
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Max. load (including chuck): 600 kg
Automatic intermittent feed (cross): 0.1~8 mm
Rapid feed (cross): 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: 1450 rpm
Auto-feed (vertical): 0.005/0.01/0.02/0.03/0.04/0.05 mm
Rapid feed (vertical): 480 mm/min
Handwheel feed (vertical): 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: 4000 kg
Machine dimensions (LxWxH): 3300 x 2400 x 2000 mm

Standard Equipment

- 3-axis digital readout
- 406 x 1020 mm electromagnetic table
- Grinding wheel
- Wheel balancing arbor
- Wheel flange
- Complete tool set
- 24V lighting installation
- Cooling system

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