Highlights
The QMB520AT Four-Side Moulder is a standard five-spindle machine in the QMB20 Regular Series, designed for four-sided planing and profiling of solid wood products. It features 9 active feed rollers, a single upper and double lower spindle structure, variable-speed feeding and a backward chip-breaker design on the upper spindle for stable machining and reliable surface quality.
- Processing width: 20–200 mm
- Processing height: 8–125 mm
- Feeding speed: 8–33 m/min
- Spindle configuration: 5 spindles
- Spindle speed: 6,800 r/min
- Spindle diameter: Ø40 mm
- Machine weight: 3,600 kg
Images
QMB520AT multi-spindle layout is designed for stable, efficient, and high-precision four-side moulding.
High-strength cast-iron machine bed provides excellent rigidity, structural stability, and long-term machining accuracy.
Fully enclosed safety guarding reduces operating noise and improves machine safety and workshop cleanliness.
Grooved positioning guides help prevent material deviation and sticking for smoother four-side machining.
CLSJ90 side chain conveyor supports reliable material handling alongside the movable worktable.
Grooved positioning guides help prevent material deviation and sticking for smoother four-side machining.
Internationally recognized electrical components provide reliable control, stable performance, and long service life.
Specially treated hard-chrome worktable provides excellent wear resistance, smooth feeding, and long service life.
International-brand variable-frequency drive provides stable performance and convenient feed-speed adjustment.
Variable-frequency feed control allows flexible speed adjustment for different wood materials and processing requirements.
Dedicated short-material feeding device improves feeding stability and operating safety for shorter workpieces.
Internationally recognized electrical components provide reliable control, stable performance, and long service life.
Each cutter shaft is independently driven by a high-power motor for strong and stable cutting performance.
Chainless universal-shaft transmission provides smooth, powerful, and reliable feeding during continuous production.
Features
- The feeding system uses 9 active feed rollers — 7 upper and 2 lower — for smooth and stable material feeding during continuous production.
- A single upper spindle and double lower spindle configuration enables efficient four-sided planing and profiling of solid wood products.
- The upper spindle uses a backward chip-breaker structure designed to reduce the risk of cutter collision during machining.
- High-precision spindles operate at 6,800 r/min, while the chainless universal transmission shaft provides smooth and powerful feeding.
- The high-strength cast-iron machine bed, hard-chrome-treated working surfaces, centralized lubrication and enclosed safety cover support long-term industrial operation.
Technical data
| Specifications | Unit | QMB420G | QMB520AT | QMB620AT | QMB620RL |
|---|---|---|---|---|---|
| Processing width | mm | 20–200 | 20–200 | 20–200 | 20–200 |
| Processing height | mm | 20–200 | 8–125 | 8–125 | 8–125 |
| Feeding speed | m/min | 8–36 | 8–33 | 8–33 | 8–33 |
| Spindle diameter | mm | Ø40 | Ø40 | Ø40 | Ø40 |
| Spindle speed | r/min | 6,800 | 6,800 | 6,800 | 6,800 |
| First bottom spindle – flat cutter | mm | Ø125 | Ø125 | Ø125 | Ø125 |
| First bottom spindle – trimming cutter | mm | Ø152 | Ø152 | Ø152 | Ø152 |
| Rear bottom spindle cutter | mm | / | Ø108–Ø200 | Ø108–Ø200 | / |
| Other spindle cutter diameter | mm | Ø108–Ø180 | Ø108–Ø180 | Ø108–Ø180 | Ø108–Ø180 |
| Feed motor | kW | 5.5 | 4 | 4 | 7.5 |
| First bottom spindle motor | kW | 7.5 | 5.5 | 5.5 | 5.5 |
| First right spindle motor | kW | 7.5 | 5.5 | 5.5 | 7.5 |
| First left spindle motor | kW | 7.5 | 5.5 | 5.5 | 7.5 |
| Second right spindle motor | kW | / | / | / | 5.5 |
| First upper spindle motor | kW | 11 | 7.5 | 7.5 | 7.5 |
| Second upper spindle motor | kW | / | / | 5.5 | / |
| Second bottom spindle motor | kW | / | 5.5 | 5.5 | / |
| Lifting motor | kW | 0.75 | 0.75 | 0.75 | 0.75 |
| Overall dimensions | cm | 340 × 186 × 180 | 350 × 180 × 175 | 400 × 10 × 175* | 410 × 180 × 175 |
| Machine weight | kg | 3,650 | 3,600 | 4,400 | 4,650 |
Optional configurations include 5.5–11 kW spindle motors, Ø50 mm spindles, 8,000 r/min spindle speed and saw-blade installation on the final bottom spindle.
Automations
Spare parts

