Touchscreen Underpinner Machine NN500

NN500 Pneumatic Picture Frame Joiner Underpinner (Touchscreen)

SKU: NN500

Product Overview: ST-NN500 PRO

The ST-NN500 PRO combines heavy-duty construction with modern digital control. Featuring a responsive LCD touchscreen and a powerful pneumatic active clamping system, it delivers intelligent, high-speed CNC nailing for professional frame assembly.

Core Features: Smart Framing with NN500 PRO

  • Intelligent Touchscreen Control
    Upgraded from the standard NN400, the NN500 features a responsive LCD touchscreen. This allows operators to input nail positions visually, store frame data, and switch between profiles instantly without manual recalibration.
  • Active Clamping System (Downward Pressure)
    Features a powerful pneumatic cylinder that applies active downward pressure. This ensures the frame corner is held firmly against the table before nailing, eliminating gaps even on warped wood.
  • High-Speed CNC Nailing
    Driven by a nine-stage CNC system, it can perform 5-nail stacking and 9-row synchronized nailing in one pass. This flexibility handles complex moulding shapes with ease.
  • Multi-Material Versatility
    The smart pressure adjustment makes it suitable for joining solid wood, MDF, foam, and plaster molding strips without damaging delicate surfaces.

Technical Specifications

Specification Details
Model ST-NN500 PRO
Operation Type Touchscreen CNC + Pneumatic Active Clamping
Max Frame Width 130mm (13cm)
Max Frame Thickness 100mm (10cm)
V-Nail Compatibility 5mm, 7mm, 10mm, 12mm, 15mm
Air Pressure 6-8 kg/cm² (90-120 psi)
Joining Angles 90°, 120°, 135°
Packing Dimensions 800 × 700 × 1300 mm

Frequently Asked Questions (FAQ)

Q: What is the main upgrade of NN500 compared to NN400?
A: While both machines use the stable “Active Clamping” system, the NN500 adds a Touchscreen interface. This allows you to save frame settings and visualize the nailing process, whereas the NN400 relies on standard controls.
Q: Does it support stacking nails for tall frames?
A: Yes, the NN500 supports multi-layer stacking (up to 5 nails per position). This is essential for joining tall or heavy frames securely.
Q: Is the interface difficult to learn?
A: No, the CNC system is designed for “One-Button Start.” Most operators can master the touchscreen interface within 30 minutes.

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Product: NN500 Pneumatic Picture Frame Joiner Underpinner (Touchscreen)
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