Shoda NC-321
Key Specifications
Rapid Traverse
Spindle Power
x travel
y travel
z travel
table type
Overview
The Shoda NC-321 is a CNC machining center for wood, composites, and aluminum from Shoda Iron Works Co., Ltd., headquartered in Hamamatsu, Japan. Shoda is a Japanese manufacturer of CNC woodworking and industrial routing machines with particular strength in the Japanese domestic furniture and housing component market, and growing presence in international markets for composite and aluminum routing.
The NC-321 is a gantry-type CNC router handling workpieces up to 3,100 mm (X) x 2,100 mm (Y) in standard configuration, with spindle speeds up to 24,000 RPM and rapid traverse up to 60 m/min. The machine is designed for furniture component production, kitchen cabinet parts, and composite panel processing. The Shoda NC-321 uses a rigid cast iron frame construction for vibration damping and accuracy, with linear guide rails on all axes for smooth high-speed operation.
Shoda's AutoNesting software provides automatic nesting capability from imported DXF files, generating optimized material layouts for furniture component production. The multi-function aggregate head system enables 5-axis aggregate attachments for angled drilling and routing without machine repositioning.
The NC-321 competes with the Biesse Rover series, the SCM Accord series, and the Thermwood Model 67 in the large-format furniture CNC router class. Shoda differentiators are Japanese manufacturing precision, the AutoNesting integrated software, and strong after-sales support through Shoda's dealer network in key Asian and North American markets. Pricing typically runs $90,000-$200,000.
Full Specifications
| Parameter | Value |
|---|---|
| X Travel | 3,100 mm (122 in) |
| Y Travel | 2,100 mm (82.7 in) |
| Z Travel | 300 mm (11.8 in) |
| Table Type | Vacuum zone hold-down table |
| Spindle Motor Power | 11 kW (15 HP) standard |
| Spindle Speed | 1,000-24,000 RPM |
| Tool Changer | 12-position automatic tool changer |
| Aggregate Head | Optional 5-axis aggregate attachments |
| Rapid Traverse Rate | 60 m/min |
| Software | Shoda AutoNesting and CAM software |
| Machine Weight | 5,500 kg (12,125 lb) |
| Electrical | 200/220/400 VAC 3-phase 50/60 Hz |
Strengths & Limitations
Strengths
- Japanese manufacturing precision with cast iron frame provides excellent vibration damping and dimensional stability for tight-tolerance furniture components
- AutoNesting integrated software generates optimized sheet layouts from DXF files without requiring separate CAM software
- 3,100 x 2,100 mm work area handles oversized furniture panels and full-sheet nested production
- 60 m/min rapid traverse reduces non-cutting time for improved throughput on dense-nested sheets
- Shoda's established service network in Japan, Southeast Asia, and North America provides responsive after-sales support
Limitations
- Shoda brand has lower market visibility in North America and Europe than Biesse, SCM, or Homag, with fewer distributor locations
- 12-position tool changer limits tooling variety compared to 16-24 position changers on competitor machines for complex multi-operation parts
- AutoNesting software, while capable, has a smaller user community and fewer third-party CAD/CAM integration options than BiesseWorks or Maestro ecosystems
Best For
Frequently Asked Questions
01
Shoda AutoNesting is an integrated CAM and nesting software system that imports part DXF files, automatically nests them on sheets for maximum material utilization, assigns machining operations (routing, drilling, profiling), and generates the CNC program for the machine. For furniture production workflows, AutoNesting handles common operations: pocket routing for panel reveals, profile cutting for part outlines, drilling for hardware mounting, and tab connections to hold nested parts on the sheet. The software is pre-installed and calibrated for the NC-321 machine, reducing the setup required compared to using third-party CAM with a post-processor. For shops with straightforward furniture part families, AutoNesting's dedicated design reduces programming complexity.
02
Shoda NC-321 vs Biesse Rover K: both are mid-range furniture CNC machining centers. Biesse Rover K has the advantage of the BiesseWorks software ecosystem widely trained in North America and Europe, and the Biesse worldwide service network. Shoda NC-321 competitive advantage: typically priced 10-20% lower than equivalent Biesse Rover K configurations, Japanese manufacturing quality in the machine structure, and strong after-sales support in Asian markets. Control system: both use Fanuc or Siemens CNC hardware. For North American buyers, the Biesse service network and BiesseWorks software familiarity give the Rover K the edge. For Asian buyers and shops with price sensitivity, the Shoda NC-321 provides comparable machining capability at lower capital cost.
03
Primary materials: MDF, particleboard, plywood, solid hardwood and softwood, melamine-coated board, and wood-plastic composite for furniture and cabinet production. Secondary materials: aluminum sheet and aluminum profiles (with appropriate tooling and feeds/speeds); HDPE, acrylic, PVC for sign and display components; fiberglass sheet (with dust extraction); high-pressure laminate (HPL) for countertop and table surface profiling. The 24,000 RPM spindle is optimized for wood and composite panel materials. For aluminum machining, reduce spindle speed to 8,000-12,000 RPM and use flood or mist coolant. Shoda recommends consulting their application engineering for non-wood material parameters.
04
For a full 4 x 8 ft sheet of cabinet parts (10-12 parts nested, routing + drilling operations): cycle time approximately 6-10 minutes per sheet including tool changes. Output: 6-10 sheets/hour. At 8 sheets/hour x 2 shifts x 250 days: approximately 32,000 sheets/year, or approximately 300,000-400,000 individual parts/year (average 10 parts per sheet). Actual throughput depends heavily on part complexity (more operations = slower) and sheet utilization (higher nesting efficiency = fewer sheets). For dedicated cabinet component production with standardized part families, throughput can reach 12-15 sheets/hour when parts are simple and nesting is dense.
05
For the Shoda NC-321 vacuum table: minimum recommended vacuum pump capacity 200-300 m3/hour at 0.7-0.8 bar for MDF sheet hold-down on full-table workpieces. For smaller workpieces on partial table (pod-and-rail or partial vacuum zone): 100-150 m3/hour adequate. Shoda provides vacuum table zone control enabling activation of only the zones with active workpieces, reducing pump demand on partial loads. External vacuum pump installation: 3-phase 400/460V, dedicated circuit. Recommended pump type: rotary vane or liquid ring vacuum pump - both provide the sustained flow rate required for continuous production. Regenerative blower pumps are less suitable for composite material routing where porous spoilboard reduces available vacuum.
Videos
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