Wire cutting machine SGRI 20

diamond wirefor ceramicsfor foam

Product overview
The SGRI 20 CNC ring cutting machine is a multi-functional CNC wire saw engineered for precision cutting of small, complex parts. It combines automated slicing, CAD import capability and a 4th rotary axis to process cylindrical and multi-faceted workpieces up to 200 x 200 x 200 mm. Suitable for optical glass, technical ceramics, jewelry and precision engineering components where repeatability and shape complexity are required.

Key Features of SGRI 20

• Automated Slicing: Fully automated slicing for consistent layer-by-layer cutting and reduced manual handling.
• CAD File Import: Accepts DXF, DWG and STP files for cutting complex 2D/3D profiles and rapid prototyping.
• Rotating Axis for Multi-Polygon Cutting: Integrated 4th rotary axis for precise cutting of rings, tubes and faceted shapes.
• Compact Workpiece Capacity: Handles parts up to 200 x 200 x 200 mm and cutting thicknesses up to 200 mm.
• High-Precision Control System: CNC control with G-code compatibility for accurate toolpaths and repeatability to ±0.03 mm.
• Versatile Material Compatibility: Processes optical glass, industrial ceramics, precious and non-ferrous metals, plastics, foams and composites.
• User-Friendly Interface: Windows-based software with plug-and-play USB connectivity for fast setup.
• Robust Construction: Welded steel frame to minimize vibration during high-speed operations.
• Optional Accessories: Rotary table for enhanced 3D cutting and cooling systems for extended cycles.

Functions

• Automatical slicing
• Polyhedron cutting
• Complex contour cutting
• Combination of SG 20, SGR 20 and SGI 20 functionality in one unit

Typical applications

• Technical ceramics: processing alumina (Al₂O₃), aluminum nitride (AlN) and sintered ceramics used in RF modules, power electronics and thermal substrates.
• Jewelry industry: manufacturing intricate rings, pendants and custom engravings on gold, silver or brass.
• Art and design: producing detailed 3D sculptures, prototypes and decorative pieces from foams, plastics and soft metals.
• Chemical / prism cutting: precise cutting of optical prisms from glass, quartz or specialized polymers for spectroscopy and experiments.
• Precision engineering: small, complex aerospace, automotive or medical components including thick metal parts up to 200 mm.

Cutting method comparison (summary)
Feature | SGRI 20 | CNC Plasma Cutter | CNC Laser Cutter | CNC Router (4-Axis)
Max Workpiece Size | 200 x 200 x 200 mm | Up to 3000 x 1250 mm | Up to 2000 x 1000 mm | Up to 3000 x 1500 mm
Max Cutting Thickness | 200 mm | 50 mm | 20 mm | 150 mm
Rotary Axis | Yes (4th axis included) | Optional | Optional | Yes (often optional)
CAD Import | DXF, DWG, STP | DXF, IGES | DXF, STL | DXF, STP
Material Versatility | Metals, plastics, foams, ceramics | Primarily metals | Metals, some plastics | Wood, plastics, soft metals
Automated Slicing | Yes | Limited | Yes | Limited
Precision | ±0.03 mm | ±0.5 mm | ±0.05 mm | ±0.2 mm
Price Range | Mid-range | High | High | Mid to high
Ideal Use Case | Jewelry, small parts, multi-polygon | Large metal sheets | Thin metal/plastic sheets | Wood, foam, large parts

Technical specifications

• Maximum Workpiece Length (mm): 200
• Maximum Workpiece Width (mm): 200
• Maximum Workpiece Height (mm): 200
• Worktable Y-Axis Travel (mm): 200
• Worktable Z-Axis Travel (mm): 220
• Maximum Diamond Wire Speed (m/s): 51
• Minimum Feed Increment Y-Axis (mm): 0.01
• Minimum Feed Increment Z-Axis (mm): 0.01
• Repeat Positioning Accuracy Y-Axis (mm): 0.01
• Repeat Positioning Accuracy Z-Axis (mm): 0.01
• Total Power Consumption (kW): 1.5
• Power Supply: 220V 50Hz
• Machine Size (mm): 1044 × 950 × 1810
• Machine Weight (kg): 720
• Loading Table Rotate Range: 0 - 360 degree