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Email: cncengineer@minnuo.com
270×420mm Worktable · 100kg Max Load · 200mm Workpiece Thickness
The SX7720 is a reciprocating CNC diamond wire cutting machine designed for compact applications in jewelry, materials science, and fine craftwork. This model from the SX77 Series is ideal for semi- and non-conductive materials like jade, quartz, ceramics, and crystals, delivering low material loss and high-precision slicing.
SX77 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● High-precision CNC wire cutting with low vibration
- ● Supports non-conductive and brittle materials
- ● Optional taper head configuration for angled cutting
- ● Compact frame ideal for laboratory and workshop environments
- ● Efficient coolant system reduces wear and ensures fine finishes
- ● Adjustable cutting tension and feed rate for delicate work
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Recommended Configurations
- ● Taper Cutting Head: Enables precise angled cuts for complex parts, ensuring high accuracy in shaping and finishing operations.
- ● Coolant Filtration Unit: Maintains clean cutting fluid and extends wire life, ensuring optimal performance and reducing the need for frequent fluid changes.
- ● Diamond Wire Tensioner: Automatically maintains stable cutting pressure, preventing wire breakage and ensuring consistent cutting quality.
- ● Touchscreen CNC Panel: Provides an intuitive interface for programming and job control, improving ease of operation and efficiency during setup and machining.
- ● Anti-Vibration Work Table: Increases stability during micro-cutting operations, reducing vibration and improving precision in fine machining tasks.
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Application Case
- ● Client: Precision Jade Workshop – Thailand
- ● Use Case: Intricate profile cutting for high-value jade bangles
- ● Setup: SX7720 with taper function and enclosed coolant circulation
- ● Results: Cutting thickness tolerance: ≤ ±0.02 mm, material loss per cut: reduced by 40%, client feedback: “Precise, smooth cuts with minimal waste. Ideal for jade craftsmanship.”
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Product Specifications
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Catalog
Frequently Asked Questions
Minnuo’s CNC abrasive wire cutting machines are ideal for hard and brittle materials such as sapphire, silicon wafers, silicon carbide, ceramics, quartz, magnetic materials, and rare metals.
A diamond-coated or abrasive wire continuously moves through the workpiece under controlled tension, achieving precise material removal by micro-grinding action, ideal for high-precision, low-damage cutting.
Our machines achieve cutting accuracy within ±0.01–0.02 mm, and surface roughness Ra 0.4–0.8 μm, depending on material properties and cutting parameters.
Absolutely! Just send us your material type, block size, required cut thickness, and tolerance, and Minnuo’s engineers will recommend the best abrasive wire cutting machine within 10 minutes.
Yes! We offer customizations including cutting stroke (X/Y/Z), maximum workpiece size, wire type (single wire/double wire), tension control system, and CNC system brand based on customer requirements.
Minnuo machines feature high-stability tension control, servo-driven wire feeding, constant wire speed regulation, and are calibrated with laser interferometer and precision measuring instruments before shipment.
Standard models are delivered within 30–45 working days. Customized or high-end versions usually require 45–60 working days.
Minnuo provides a one-year warranty, 24/7 technical support, remote online guidance, on-site commissioning services, and long-term spare parts support.
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Have any questions? For answers or additional information about ourmachines, please contact us here.
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