
Heavy Duty Angle Cutting Band Saw UPX-43S
- Miter Cutting Range:
- 45° Left to 45° Right (Rotational Double-Column)
- Gantry Structure:
- Heavy Double-Column Portal Frame
- Saw Blade Width:
- 41 mm Heavy Duty Bimetal Blade
- Alignment Aid:
- Integrated Laser Scribe Projector
- Clamping Vise:
- Dual-Direction Hydraulic Full-Stroke Vise
- Blade Tensioning:
- Automatic Hydraulic Tension Control
Технические характеристики
| Technical Parameter | Specification Detail |
|---|---|
| Cutting Capacity at 90° | Max. 400 x 430 mm (15.7" x 16.9") |
| Cutting Capacity at 45° | Max. 400 x 300 mm (15.7" x 11.8") |
| Miter Angle Range | 45° Left to 45° Right (Rotational Double-Column Frame) |
| Blade Dimensions (W x T x L) | 41 x 1.3 x 4900 mm (Heavy Duty 41mm Width) |
| Main Drive Motor Power | 4.0 kW (5.4 HP) High-Torque Gearmotor |
| Hydraulic System Motor Power | 1.5 kW (2.0 HP) |
| Vise Clamping Type | Dual-Direction Hydraulic Full-Stroke Vise |
| Blade Tensioning | Automatic Hydraulic Blade Tensioning Cylinder |
| Alignment System | Integrated Laser Scribe Alignment Projector |
| Machine Weight | 2,600 kg (5,732 lbs) |
| Footprint Dimensions | 2800 x 2200 x 2000 mm (L x W x H) |
Key Product Features
1. Symmetrical Dual-Column Swiveling Frame
Combines the extreme torsional rigidity of a double-column gantry frame with the versatility of miter angle cutting. The entire portal structure swivels up to 45 degrees left and right, ensuring absolute stability and straight cuts on large steel sections.
2. Full-Stroke Bidirectional Hydraulic Vise
Allows clamping the workpiece on both left and right sides of the saw throat. Double full-stroke hydraulic clamping secures heavy profiles tightly right next to the blade path, eliminating material vibrations.
3. Integrated Laser Line Alignment Projector
Projects a bright, high-precision laser scribe line directly across the workpiece face. This allows the operator to line up structural layout marks with the blade path quickly, saving setup time.
4. Direct Helical Gearbox Transmission
Eliminates drive belt slippage completely. Direct transmission via a direct-shaft helical gearbox delivers maximum mechanical efficiency, providing constant torque under extreme loads.
5. Automated Hydraulic Dynamic Blade Tensioning
Continuously adjusts blade tension hydraulically. The system automatically compensates for thermal expansion of the 41 mm blade during long cuts, maintaining cut straightness and preventing premature blade fatigue.
6. High-Flow Dual-Nozzle Flood Cooling
Delivers ample coolant fluid directly to both the entry and exit carbide guide blocks. This dissipates friction heat, flushes chips away from the teeth, and prevents work hardening on material cut faces.

Industrial Applications
The UPX-43S is engineered for high-throughput, heavy-capacity industrial angle cutting:
Heavy Structural Steel Fabrication
Perfect for processing large structural columns, H-beams, heavy-walled structural tubing, and steel angles for frame buildings and architectural steel designs.
Shipbuilding & Offshore Yards
Accurately cuts thick-walled steel pipes, heavy structural profiles, and solid steel bars with weld-ready bevel edges.
Steel Distribution Yards
Allows steel stockholders to process massive bundles of pipes and large solid steel bars to custom lengths and angles with semi-automatic efficiency.
Frequently Asked Questions
1. Why is a double-column swivel saw superior to a pivot scissor miter saw?
Pivot scissor saws pivot on a single hinge, which can cause frame twisting and uneven blade loading under heavy force. The UPX-43S's double-column portal frame descends vertically on twin precision guide columns, maintaining symmetrical load distribution for dead-straight cuts across the entire beam width.
2. How does the dual-direction vise improve cut quality?
Standard saws clamp only on one side of the saw blade. When cutting large, heavy beams, the unclamped side can shift or vibrate, leading to rough cuts or tooth damage. The UPX-43S's bidirectional vise clamps the material on both sides of the blade, securing it wobble-free.
3. What is the cutting capacity at 45 degrees?
At 90° (straight cuts), the maximum capacity is 400 x 430 mm. At a 45° angle, the maximum capacity is 400 x 300 mm.
4. What are the packaging, delivery lead times, and warranty parameters?
Standard models have a manufacturing lead time of 30 to 45 days. The saw is covered by a 1-year B2B industrial warranty and is packed in seaworthy export-compliant framing with comprehensive manuals and remote commissioning support.