
Heavy Duty Band Saw UP-33N
- Guide Columns:
- Oversized Dual Guide Columns (Portal Gantry)
- Control System:
- Semi-Automatic Hydraulic Downfeed Control
- Clamping Vise:
- Hydraulic Full-Stroke Clamping Vise
- Blade Speed Regulation:
- Variable Frequency Drive (VFD) Inverter
- Blade Guides:
- Carbide Blocks with Pre-Tension Bearings
- Safety Systems:
- Blade Breakage Auto-Stop Microswitch
Технические характеристики
| Technical Parameter | Specification Detail |
|---|---|
| Cutting Capacity (Round) | Max. 330 mm (13") |
| Cutting Capacity (Square) | Max. 330 x 330 mm (13" x 13") |
| Blade Dimensions (W x T x L) | 34 x 1.1 x 4115 mm (Standard Industrial Size) |
| Blade Speed Range | 20 - 80 m/min (VFD Variable Speed Regulation) |
| Main Drive Motor Power | 3.0 kW (4.0 HP) Inverter Duty Motor |
| Hydraulic System Motor | 0.75 kW (1.0 HP) |
| Clamping Vise Type | Hydraulic Full-Stroke Clamping Vise |
| Blade Tensioning System | Hydra-Mechanical with Auto Shut-off Safety Switch |
| Saw Blade Guides | Premium Carbide Blocks with Backing Bearings |
| Machine Net Weight | 1,650 kg (3,637 lbs) |
| Footprint Dimensions | 2100 x 1850 x 1650 mm (L x W x H) |
Key Product Features
1. Ultra-Rigid Double-Column Framework
The portal structure is supported by massive chrome-plated guide columns and heavy cross-braced steel frame tubes. This gantry layout balances frame loading, isolates blade harmonics, and guarantees perpendicular cut faces.
2. Fine-Tuned Hydraulic Downfeed Control
Equipped with a precision hydraulic downfeed cylinder that enables stepless, fine adjustments to the downward speed of the saw frame, preventing tooth impact damage and maximizing blade life.
3. Stepless VFD Blade Speed Regulation
Features a variable frequency inverter drive, letting the operator adjust the blade linear speed dynamically from 20 to 80 m/min to match the material characteristics (e.g., carbon steels, stainless steel, non-ferrous).
4. High-Performance Carbide Guides & Bearings
Blade guide arms are equipped with high-durability carbide inserts and pre-tension guide bearings that guide the blade tightly, ensuring cutting accuracy and preventing blade twisting.
5. Auto-Stop Safety Sensor Switch
An active mechanical tension detector and micro-limit switches monitor blade status. In the event of blade break or tension loss, the machine immediately stops all operations, protecting the workpiece and operator.
6. High-Flow Flood Coolant System
A high-flow pump channels recirculated coolant to both entry and exit guide arms, lubricating blade teeth, dissipating friction heat, and washing metal chips away from the kerf.

Industrial Applications
The UP-33N is a versatile, heavy-duty solution for primary sawing across industrial environments:
Medium Metal Fabrication Shops
Excellent for cutting standard carbon steels, angle irons, channels, and square tubes to length under manual or semi-automatic schedules.
General Machine Shops
Accurately cuts solid round bar blanks, shafts, and rectangular tooling blocks before turning, milling, or drilling operations.
Structural Profile Fabricators
Handles batch sawing of structural steel tubes, hollow sections, and structural metals with high reliability and clean cuts.
Frequently Asked Questions
1. What does 'semi-automatic' operation mean for the UP-33N?
In a semi-automatic cycle, the operator manually clamps the material in the hydraulic vise. When the start button is pressed, the saw blade starts, the frame descends to cut, and upon completion, the blade stops, the frame automatically raises back to the preset home position, and the vise opens.
2. Why is a double-column gantry design superior to a hinge-pivot (scissor) saw?
A pivot saw descends at an angle, which can cause blade deflection and uneven wear. The double-column portal saw descends vertically, maintaining uniform tooth load across the cut section. This translates to straight cuts and much longer blade life.
3. Can the UP-33N be upgraded to bundle cutting?
Yes. We offer optional hydraulic vertical nesting clamps that can be integrated with the main clamping vise, allowing vertical bundle cutting of tubes or small round bars.
4. What are the packaging, delivery lead times, and warranty?
Standard UP-33N models have a lead time of 25 to 35 days. The saw is covered by a 1-year B2B industrial warranty. It is shipped in heavy seaworthy export packaging with operational manuals and remote video commissioning support.