Semi-Automatic Cut-to-Length Machine Type BTFW-LS

The cut-to-length machine type BTFW-LS is designed to cut wide belts of abrasive paper and cloth having a maximum width of 1650 mm (2050 mm also available). Possibility to perform both straight and wave cut. BTFW-LS is a machine for large series, suitable for converters producing on a medium-large scale. The material is automatically driven at the preset length with high precision; material holding and cutting is performed automatically, the operator has only to collect the cut segments. After cutting, the next belt is pushed through the machine. The machine can also cut lengthwise and rewind the obtained trim/roll.

Technical Data

• Max. cut length (joint length) 2000 mm (if required, 2300 mm also possible)
• Possibility to perform both straight and wave cuts
• Pneumatic device of cross cut by means of a steel rule die which cuts on the backing side
• Quick change of the bladeholder
• Joint angle adjustable between 90° and 55°
• Unwinding pneumatic expanding shaft 3", with pneumatic brake
• High precision feeding system, with length measurement
• Speed and acceleration adjustable with an electrical controlled drive up to 0.8 m/sec
• Manual edge guide system by hand wheel
• 4 pneumatic knifeholders with pneumatic clamping, quick positioning
• 1 trim rewinder unit for rolls up to 30 mm width
• 1 trim rewinder unit, for rolls up to 500 mm width and 400 mm diameter, pneumatic expanding shafts 3” diameter
• Max. jumbo diameter: 1,250 mm
• Max. jumbo weight: 20,000 kg

Options

• Digital angle measuring device
• Output collecting table
• Automatic web alignment on unwinder

Size and Power

• Overall machine dimensions: 9.8 x 3.8 x 2.4 m (BTFW-LS-2050 model, with safety protections and collecting table)
• Approx. weight: 3,800 kg
• Installed power: 6 kW
• Air consumption: 2 l/cycle