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The Karmetal OSA 300×370 is a specialized automatic horizontal bandsaw featuring an integrated roller feeder system for efficient material handling. Designed for the rapid processing of solids, tubes, and profiles, it is powered by a 2.95 HP(2.2 kW) main motor and a high-efficiency bevel helical gearbox. To meet different production requirements, it is available in two versions: an economical ENC version with a digital membrane interface, and a high-performance PLC version with a 7″ touchscreen HMI. This pivot-type machine provides a reliable and space-efficient solution for medium-scale industrial workshops.
General
ADAPTIVE ROLLER-FEEDER AUTOMATION
The OSA 300x370 series offers two distinct control tiers to optimize production workflows:
- PLC Touchscreen Version: Equipped with a 7" color touchscreen that supports the storage of up to 50 different work programs. It features an intuitive interface with 11 alternative languages for complex job management.
- ENC (NC) Version: A cost-effective digital solution utilizing a membrane push-button HMI. It allows operators to save up to 20 different jobs, making it ideal for repetitive, high-volume cutting of single dimensions.
- Roller Feeder System: All models utilize a synchronized roller feeding mechanism to move material accurately through the cutting zone, reducing manual handling time.
- Frequency Inverter Drive: The integrated inverter allows for precise, variable control of blade speeds between 82–295 ft/min (25–90 m/min) to suit various material hardness levels.
Features
- High-Efficiency Gearbox: Features a bevel helical drive system that ensures maximum torque delivery from the motor to the blade without power loss.
- Standard Chip Management: Includes an integrated pallet-type chip conveyor and a motorized swarf brush to maintain a clean workspace.
- Adjustable Clamping Pressure: Hydraulic vises allow for independent pressure regulation to prevent the deformation of thin-walled profiles or pipes.
- Precise Blade Guidance: Utilizes a guidance bedding with two bearings and carbide plates to ensure cut perpendicularity and extend tool life.
- Comprehensive Safety Suite: Standard equipment includes cover switches, blade tension sensors, and limit switches that trigger an automatic stop if faults occur.
- Rapid Approach Device: Features a sensor-driven system that transitions the saw frame from rapid descent to the set cutting feed upon material contact to optimize cycle times
Technical Data
- Max Round Cutting Capacity: 11.81 in (300 mm)
- Max Square Cutting Capacity: 9.84 in (250 mm)
- Max Rectangular Capacity: 9.84×14.56 in (250×370 mm)
- Main Motor Power: 2.95 HP (2.2 kW)
- Blade Speed Range: 82–295 ft/min (25–90 m/min)
- Blade Dimensions: 12.63 ft×1.06 in×0.035 in (3850×27×0.9 mm)
- Working Height: 28.74 in (730 mm)
- Machine Weight: 1,984 lbs (900 kg)
- Standard Dimensions: 42.1×76.3×50.0 in (1070×1940×1270 mm)
Standard Equipment
- Choice of PLC Touchscreen, ENC pushbutton control
- Bevel Helical Gearbox and Frequency Inverter drive.
- Integrated roller feeder system.
- Motorized blade cleaning brush.
- Hydraulic vises with adjustable pressure and back pressure valve.
- Hydraulic blade tensioning and carbide guide bedding.
- Levelling foot legs and transport hooks.
Optionals
- Laser Line Indicator: For a clear visual path of the blade's trajectory.
- Micromolecular (Mist) Cooling System: High-efficiency spray lubrication for cleaner cutting.
- Hydraulic Top Clamping: Specialized clamps for processing material bundles.
- Roller Tables: Available in single or 4.59 ft (1.4 m) length configurations
- Auger-type chip conveyor
