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φ500mm Worktable · 550kg Load · 1030×560×320mm Tank
The D7132 expands capacity in the D71 Series, providing a larger table and heavier workpiece support while maintaining high-precision control and multi-stage EDM capability. With a 500×320mm worktable and a 1030×560×320mm tank, this model easily accommodates mold cores, steel inserts, and heavy-duty tooling components up to 550kg.
D71 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Z-axis CNC servo motor (Sanyo, Japan) ensures precise control of spark gap and cavity depth
- ● X/Y axes driven by high-precision ball screws for excellent motion consistency
- ● Supports heavy workpieces up to 550kg without loss of accuracy
- ● Intelligent CNC system automates roughing, finishing, and wear compensation
- ● Stable mechanical structure minimizes thermal drift and vibration for long-hour operations
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Recommended Configurations
- ● Electrode Holder with Rapid Lock Speeds up electrode changeover and ensures concentricity
- ● Graphite Dust Filtration System Maintains clean dielectric when using graphite electrodes
- ● Dielectric Oil Chiller Controls fluid temperature for consistent spark conditions
- ● Z-Axis Precision Probe Automatically detects work surface and enhances depth accuracy
- ● Multi-Stage EDM Programming Suite Allows programmable discharge cycles for rough to finish
- ● Automatic Fire Detection Unit Enhances safety when operating with oil-based dielectrics
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Application Case
- ● Client: Automotive Mold Supplier – India
- ● Use Case: EDM finishing on high-precision mold cavities for complex plastic housings
- ● Setup: D7132 with dielectric oil chiller, graphite electrodes, and 3-step discharge control
- ● Results: Dimensional consistency: ≤ ±0.009 mm, surface finish: Ra ≤ 1.4 μm, average electrode wear: < 0.18%, client feedback: “We’ve replaced two old sinkers with one D7132—it’s more accurate, faster, and easy to program.”
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Product Specifications
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Frequently Asked Questions
Minnuo’s EDM die sinking machines are ideal for precision molds, complex cavities, deep ribs, thin walls, small holes, and high-hardness material parts, such as injection molds, die-casting molds, and turbine blade slots.
Our machines can process hardened steel, tungsten carbide, titanium, copper, graphite, and alloy materials, regardless of material hardness.
Minnuo EDM die sinking machines achieve dimensional accuracy within ±0.005–0.01 mm, and surface roughness down to Ra 0.2–0.8 μm, depending on electrode material and cutting parameters.
Absolutely! Send us your mold cavity dimensions, material, depth, and surface requirements, and we’ll recommend the most suitable EDM die sinking machine model within 10 minutes.
Yes! We offer customization including tank size, electrode holder system (manual or CNC automatic), maximum working current, power supply type (fine finish or rough machining), and Z-axis stroke.
We use high-rigidity casting bases, servo-controlled Z-axis, intelligent power supply systems, and perform trial machining tests with full inspection before delivery.
Standard models are delivered within 20–30 working days. Customized or special configurations usually require 30–45 working days.
Minnuo provides a one-year warranty, 24/7 technical support, remote training, fault diagnostics assistance, and long-term spare parts support.
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