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The Karmetal OSA 350×450 is a robust automatic horizontal bandsaw designed for high-efficiency straight cutting of solid bars, tubes, and profiles. Engineered for industrial reliability, it features a high-efficiency bevel helical gearbox and a powerful 5.36 HP (4 kW) main motor. To accommodate various operational needs, the machine is offered in three versions: a standard Automatic model, an economical ENC version with a membrane interface, and a high-performance PLC version with a touchscreen HMI. All models utilize a pivot-type motion and roller material feeding to deliver consistent, accurate cuts in heavy-duty production environments.
General
MULTI-TIER CONTROL AUTOMATION
The OSA 350x450 series provides tailored automation through two specific control levels:
- PLC Touchscreen Version: Features a touchscreen interface that allows for the creation and storage of complex work lists. This version offers the highest level of programming flexibility for varied production runs.
- ENC Version: An economical digital solution utilizing a membrane push-button HMI. It is optimized for high-speed repetitive cutting of single dimensions where simplicity and durability are prioritized.
Features
- High-Efficiency Drive Train: All models are equipped with a bevel helical gearbox that ensures maximum torque transmission from the motor to the blade, maintaining stable speeds under heavy loads.
- Hydraulic Precision: The machine utilizes an integrated hydraulic system to manage vise clamping and saw frame descent, ensuring optimal cutting pressure for different material cross-sections.
- Roller Feeder System: All models utilize a synchronized roller feeding mechanism to move material accurately through the cutting zone, reducing manual handling time. Variable Blade Speed: Managed via an inverter, allowing operators to adjust the speed between 82–295 ft/min (25–90 m/min) to match material hardness.
- Automatic Chip Removal: A standard pallet-type chip conveyor is integrated into the base for continuous evacuation of metal waste.
- Adjustable Vise Clamping: Hydraulic vises feature independent pressure adjustment to securely hold materials without damaging thin-walled sections.
- Blade Guidance System: Utilizes a bedding system with two bearings and carbide plates to ensure the blade remains perpendicular and stable throughout the cut.
- Integrated Safety Suite: Standard safety features include cover switches, blade tension sensors, and limit switches that trigger an automatic stop if any faults are detected.
- Rapid Approach System: Automatically transitions the saw frame from rapid descent to the set cutting feed upon sensing material height to minimize cycle times.
Technical Data
- Max Round Cutting Capacity: 13.77 in (350 mm)
- Max Square Cutting Capacity: 11.61 in (295 mm)
- Max Rectangular Capacity: 11.61×17.71 in (295×450 mm)
- Main Motor Power: 5.36 HP (4 kW)
- Blade Speed Range: 82–295 ft/min (25–90 m/min)
- Blade Dimensions: 14.10 ft×1.33 in×0.043 in (4300×34×1.1 mm)
- Working Height: 28.74 in (730 mm)
- Machine Weight: 2,193 lbs (995 kg)
- Machine Dimensions: 43.0×94.1×52.0 in (1094×2392×1321 mm)
Standard Equipment
- Choice of PLC Touchscreen or ENC pushbutton control
- Bevel Helical Gearbox and Frequency Inverter.
- Hydraulic vises with adjustable clamping pressure.
- Motorized blade cleaning brush.
- Hydraulic blade tensioning and carbide guide bedding.
- Adjustable back pressure valve and rapid approach device
Optionals
- Laser Line Indicator: For high-visibility visual alignment of the cutting path.
- Micromolecular (Mist) Lubrication: Specialized spray system for cleaner operation and improved blade life.
- Hydraulic Top Clamping: Specifically designed for secure bundle cutting applications.
- Material Height Limit Switch: For automated detection of various workpiece sizes.
- Auger-type chip conveyor
