Cosen Automatic NC Bandsaw

Fully automatic production sawing · Hinged type

Cosen

260, 300, 400 or 460 mm capacity
straight cut only
NC programable

The Cosen C-260NC, C-300NC, C-400NC and C-460NC are fully automatic hinge-type horizontal bandsaws for straight cut-off. A hydraulic shuttle vice feeds the material under Cosen's Smart NC-100 control, so lengths and quantities are programmed once and the cut list runs automatically.

Four capacities cover 260 to 460 mm round and up to 460 x 460 mm rectangular. They suit machine shops, steel merchants and general fabricators cutting bar, tube and section to length in production quantities where a compact footprint matters.

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Key features

Cast iron hinge pivot

The saw frame pivots on a precision-bored cast iron hinge and is back-tilted so the blade enters the material at an angle rather than square on. Blade stress is lower than on a square-entry frame, and the machine occupies less floor than a column saw of the same capacity.

Smart NC-100 control

The Smart NC-100 control stores up to 100 jobs by cut length and quantity and compensates for kerf loss after the data is entered, so the number of index strokes is worked out by the control rather than the operator. The machine, blade motor and hydraulics shut down when the job count is reached or the bar runs out.

Bearing and carbide blade guides

Bearing guides align the blade before it enters the carbide guide, and two inserts on a central axis support the blade from above. The blade is held square under full feed pressure, and coolant is passed through the carbide guide to the blade and workpiece.

Hydraulic blade tension

Blade tension is set and held hydraulically and monitored for breakage, and the blade is relaxed slightly when the machine is switched off. Tension is correct on every start without a manual check, and blade life is extended between shifts.

Full stroke vices

Vice clamping and release for any material size is controlled from the panel without manually repositioning the vice jaw. Changeover between sizes on a mixed cut list needs no jaw repositioning. Standard on the C-400NC and C-460NC, optional on the C-300NC.

Hydraulic top clamps

Top clamps are hydraulically powered and selected from the HMI with the single or bundle cut switch. Bundles of bar or tube are held from above as well as the side, so multiple pieces are cut in one stroke without movement in the pack. Optional.

Hydraulic chip conveyor

A shaftless screw conveyor driven from the hydraulic system carries chips out of the machine base. With no electric drive motor, a jam does not overload a motor. Optional.

Roller table

A 2 m roller table on the infeed side keeps long bar level with the machine bed, with other lengths available to order. Long stock feeds through the shuttle vice without sagging and the bundle stays square to the blade. Optional.

Is the Cosen Auto NC right for your workshop?

The Auto NC saws are specified where straight cut-off runs automatically from a job list and floor space is limited. The choice between the four models comes down to the largest bar or section cut, from 260 to 460 mm. Model is confirmed from material sizes and volume at quotation.

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Specifications

Model	C-260NC	C-300NC	C-400NC	C-460NC
Round capacity	260 mm	300 mm	400 mm	460 mm
Square capacity	260 mm	300 mm	400 mm	460 mm
Rectangular capacity (H x W)	260 x 300 mm	300 x 320 mm	400 x 400 mm	460 x 460 mm
Blade speed	20 to 100 m/min	20 to 100 m/min	20 to 100 m/min	20 to 100 m/min
Blade size (L x W x T)	3660 x 34 x 1.1 mm	3820 x 34 x 1.1 mm	4570 x 41 x 1.3 mm	4670 x 41 x 1.3 mm
Blade motor	3.7 kW (5 HP)	3.7 kW (5 HP)	5.5 kW (7.5 HP)	5.5 kW (7.5 HP), 7.5 kW optional
Blade tension	Hydraulic, breakage detection	Hydraulic, breakage detection	Hydraulic, breakage detection	Hydraulic, breakage detection
Feed	Hydraulic shuttle vice, NC automatic	Hydraulic shuttle vice, NC automatic	Hydraulic shuttle vice, NC automatic	Hydraulic shuttle vice, NC automatic
Workbed height	735 mm	755 mm	760 mm	860 mm
Weight	1460 kg	1435 kg	2563 kg	2412 kg
Floor space (L x W x H)	2076 x 2139 x 1732 mm	2035 x 2144 x 1906 mm	2694 x 2326 x 2352 mm	2229 x 2711 x 2463 mm

Model and options are confirmed against the material sizes and cut list at quotation. IMS holds Cosen parts and bandsaw blades in Australia and services the machine with its own technicians.

Specifications are indicative and subject to change by the manufacturer without notice. Please confirm any figure critical to your application before ordering.