Mitsubishi Electric SV22P Sinker EDM
Key Specifications
X/Y/Z Travel
Work Tank Dimensions
Max Workpiece Weight
Dielectric System
Surface Finish Ra
Control System
Overview
The Mitsubishi Electric SV22P is a production sinker EDM from Mitsubishi Electric's SV series, combining a compact footprint with capable performance for die and mold shops running medium-volume sinker EDM programs. The SV22P targets the mid-range segment of the sinker EDM market where shops need reliable, consistent performance without the capital outlay of top-tier automation-ready machines. Its 300 x 220 x 220 mm work envelope positions it for mold inserts, precision cores, and medium-sized die components rather than large mold bases.
Mitsubishi Electric's ADVANCE SG generator powers the SV22P, using digital adaptive spark control to optimize discharge parameters across roughing, semi-finishing, and finishing operations. The SG generator's Digital Expert System automatically selects and adjusts machining conditions based on monitored gap conditions, reducing operator intervention during complex multi-step burn cycles. Surface finish performance reaches Ra 0.2 µm in standard finishing and can be pushed to Ra 0.1 µm with optimized electrode and dielectric preparation.
The SV22P's CNC control is Mitsubishi Electric's M800 EDM CNC, which provides a color touchscreen interface, onboard technology condition database, and 3D toolpath simulation for verifying electrode motion before burning. The M800 control is consistent across Mitsubishi Electric's sinker and wire EDM product lines, reducing training investment for shops operating multiple Mitsubishi EDM machines. The machine includes programmable dielectric flushing with pressure and flow control matched to burn condition requirements.
For shops seeking an entry into Mitsubishi Electric's automation ecosystem, the SV22P supports electrode changer integration and is compatible with Mitsubishi Electric's MEAD EDM cell management software. This makes it a viable starting point for shops planning to grow toward fully automated EDM cell operation while managing initial capital investment. Its combination of digital generator technology, intuitive M800 control, and automation compatibility makes the SV22P a practical workhorse for mid-volume precision die and mold production.
Full Specifications
| Parameter | Value |
|---|---|
| X/Y/Z Travel | 300 x 220 x 220 mm |
| Work Tank Dimensions | 560 x 400 mm |
| Max Workpiece Weight | 500 kg |
| Dielectric System | Programmable pressure and flow dielectric flushing system |
| Surface Finish Ra | Ra 0.1 µm (optimized finishing conditions) |
| Control System | Mitsubishi Electric M800 EDM CNC with touchscreen |
| Generator Power | ADVANCE SG digital adaptive generator |
| Machine Weight | Approx. 2,800 kg |
Strengths & Limitations
Strengths
- ADVANCE SG digital generator with Digital Expert System for automatic condition optimization
- M800 EDM CNC with color touchscreen, condition database, and 3D electrode motion simulation
- Competitive price point for shops that need capable sinker EDM without top-tier automation investment
- Electrode changer compatibility and MEAD software support for future automation cell expansion
- Consistent M800 control platform across Mitsubishi Electric wire and sinker EDM product lines
Limitations
- Smaller work envelope (300 x 220 mm travel) limits use to inserts and medium-sized die components
- 500 kg workpiece capacity restricts application to smaller workpieces versus 800–1,500 kg competitors
- Ra 0.1 µm finish requires optimized setup — standard results are closer to Ra 0.2 µm
Best For
Frequently Asked Questions
01
Mitsubishi Electric's Digital Expert System is an adaptive control layer in the ADVANCE SG generator that monitors gap voltage and current waveforms during the burn and automatically adjusts discharge energy, pulse duration, and off-time to maintain stable erosion. It detects abnormal gap conditions such as arcing or short circuits and responds faster than operator intervention, preventing surface damage and electrode wear spikes.
02
The SV22P is the entry-to-mid model in Mitsubishi Electric's SV series. Larger SV models such as the SV46P and SV65P offer progressively larger work envelopes (up to 600 x 450 mm travel) and higher workpiece weight capacity for larger die and mold work. All SV series machines share the M800 CNC platform and ADVANCE SG generator family, making fleet management consistent.
03
Yes. The SV22P supports electrode changer integration for automated electrode management and is compatible with Mitsubishi Electric's MEAD (Mitsubishi Electric Automation Design) cell management software. While it lacks the built-in pallet infrastructure of top-tier automation platforms, it can function as part of a supervised or semi-automated EDM cell.
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