SG2550AHD 3-Axis Automatic Precision Surface Grinder 250x520mm 150kg Workpiece Load
Quick Detail:
1.Control System: PLC + Servo Motor Control
2.Worktable Size: 250 × 520 mm
3.Electromagnetic Chuck Size: 250 × 500 mm
4.T-Slot / Width: 1 slot / 14 mm
5.Max. Longitudinal Travel: 560 mm
6.Max. Transverse Travel: 260 mm
7.Max. Spindle to Table Distance: 450 mm
8.Hydraulic Pump Motor Power: 1.5 kW
Description:
The SG2550AHD is a high-performance 3-axis automatic precision surface grinder designed for ultra-precise surface and face grinding of small-to-medium sized parts. It is widely used in mold & die manufacturing, automotive component production, electronics assembly, and general precision machinery industries.
Equipped with PLC and servo motor control, the machine features plastic-coated counter guides on the X and Y axes to minimize stick-slip effects, ensuring smooth and stable movement. The spindle utilizes clearance-free, pre-tensioned bearings for exceptional accuracy, while the robust structure guarantees rigidity even under heavy work loads. The state-of-the-art hydraulic system delivers soft, vibration-free table traverse, and automatic vertical feed with servo motor allows for precise control over finishing and spark-out operations.
Specifications:
| Parameter |
SG2550AHD |
| Worktable Dimensions |
250 × 520 mm |
| Electromagnetic Chuck Dimensions |
250 × 500 mm |
| Number of T-slots / Width |
1 / 14 mm |
| Max. Longitudinal Travel |
560 mm |
| Max. Transverse Travel |
260 mm |
| Max. Distance from Spindle to Table |
450 mm |
| Max. Workpiece Weight |
150 kg |
| Grinding Wheel Dimensions |
200 × 20 × 31.75 mm |
| Table Hydraulic Speed |
2 – 18 m/min |
| Automatic Lateral Feed Rate |
0.5 – 10 mm/stroke |
| Lateral Rapid Traverse Speed |
990 mm/min |
| Handwheel Scale Division Value (Lateral) |
0.02 mm |
| Automatic Vertical Feed Rate |
0.01 – 0.1 mm/stroke |
| Vertical Rapid Traverse Speed |
360 mm/min |
| Handwheel Scale Division Value (Vertical) |
0.01 mm |
| Grinding Wheel Spindle Motor Power |
1.5 kW |
| Spindle Speed |
2850 rpm |
| Hydraulic Pump Motor Power |
1.5 kW |
| Vertical Feed Motor Power |
0.75 kW |
| Machine Dimensions (L×W×H) |
1700 × 1400 × 1750 mm |
| Machine Weight (Approx.) |
1100 kg |
Notices:
1.Operators must read the user manual thoroughly before operation to understand all safety and operational procedures.
2.Always wear safety goggles, gloves, and steel-toe shoes when operating the machine.
3.Secure the workpiece firmly on the electromagnetic chuck and verify clamping stability before starting any grinding operations.
4.Stop the machine immediately if abnormal noise, vibration, or overheating occurs, and inspect components before restarting.
5.Keep the work area clean and free of debris, and ensure proper ventilation around the machine during use.
6.Perform regular lubrication and maintenance according to the schedule to extend the machine's service life and maintain precision.
Applications:
The SG2550AHD surface grinder is widely used in industries requiring high-precision surface finishing, including mold and die making for injection molds and stamping dies, precision machining of automotive parts like engine components and transmission gears, electronics manufacturing for semiconductor fixtures and connectors, and tool & die shops for cutting tools and gauges. It is also ideal for job shops handling contract machining of small-to-medium metal parts, where consistent surface finish and tight tolerances are critical.
FAQ:
Q1: What is the maximum workpiece size and weight this grinder can handle?
A: It accommodates workpieces up to 250 × 500 mm in size and 150 kg in weight, suitable for small-to-medium precision parts.
Q2: What is the spindle speed and power?
A: The spindle runs at 2850 rpm with a 1.5 kW motor, providing stable power for both rough and finish grinding operations.
Q3: What type of control system does the machine use?
A: It features PLC + servo motor control, enabling automatic vertical feed and precise, repeatable grinding cycles.
Q4: What are the feed rate ranges for the axes?
A: The automatic lateral feed rate is 0.5–10 mm/stroke, and the vertical feed rate is 0.01–0.1 mm/stroke, adjustable for different grinding stages.
Q5: What is the rapid traverse speed of the axes?
A: The lateral rapid traverse speed is 990 mm/min, and the vertical rapid traverse speed is 360 mm/min, improving cycle efficiency.
Q6: What accessories come standard with the machine?
A: Standard accessories include a 2-axis digital readout, touch operation control, electronic handwheel, grinding wheel, electromagnetic clamping plate, and coolant device.
Q7: What is the weight and footprint of the machine?
A: The machine weighs approximately 1100 kg, with dimensions of 1700 × 1400 × 1750 mm, suitable for workshop installation.
Q8: What industries is this grinder best suited for?
A: It is ideal for mold & die, automotive, electronics, and precision machinery industries, where high surface finish and dimensional accuracy are required.
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