Programmable bending, cutting and welding machine for the production of round wire closed spring mattress frames fed from coil.
The operator programs the frame size into the machine's industrial computer.
The software calculates the total wire length required taking into account the radius of curvature of the bending roller.
The machine automatically feeds, straightens, measures and cuts the required length for the spring mattress frame producing a circular wire loop.
Then the machine automatically brings together (joins) the two ends of the wire loop and welds them. The welding makes the wire ends inseparable under a big amount of external force.
The welded wire loop is automatically transferred to the bending unit where the required bends are performed. To increase precision and productivity the machine bends simultaneously two frames at a time.
The location of the welding can be adjusted with respect to the bending location.
The frames are produced in a vertical (standing) position dropping on to a special stacker.
The machine has been engineered with the utmost precision to ensure long, trouble-free performance and maximum customer satisfaction.
The machine fulfills all the directives of the European community in regard to machine operation, health and safety requirements.
Technical Specifications
Round wire diameter: 2.5mm to 5mm
Material specifications - wire: up to 1800 N/mm2
Max. bending rate: 200 deg/sec
Frame sides produced accuracy: +/- 2mm
Minimum side length: 600mm
Maximum side length: 2200mm
Output per 8 hour shift: 1500 frames (approx.)
Electrical / Electronic Control Unit
The electrical / electronic control unit of the machine is housed in a robust cabinet with a carefully devised ergonomic layout at all controls and visual display.
CPU: industrial microprocessor control, with user-friendly operation, requiring no computing skills
Programming time: approx. 12 to 20 seconds (5 seconds with a program recalled from memory)
Visual display: monitor for instant monitoring of data entry / machine operation
Operation modes: both manual and automatic, activated from e.c. unit
Computer communication: via rs-232 serial interface (standard)
Optional modem connection on request.
Electrical System
Machine voltage: to suit customer's requirements
Electric controls voltage: 24 volts d.c.
Electrical components: all relays, switches, etc. are supplied by leading manufacturers of the highest quality such as siemens or telemecanique.
Hydraulic / Pneumatic System
Hydraulic/pneumatic components: all valves, hoses, etc. are of the highest quality supplied by leading manufacturers such as bosch or rexroth or herion.
Hydraulic pump: bosch or sundstrand turolla
Hydraulic fluid tank: with replaceable fluid filter and closed continuous cooling system thermostatically controlled.
Air: minimum air pressure required: 6 bar
Consumption: 20 liters/min
Dimensions
Main machine: ca. 3400 x 2000 x 3200 (height)
Electronic cabinet: ca. 1800 x 700 x 1800 (height)
Pay-off station (swift): ca. 1800 x 1400 x 1200 (height)
Bending System
A rotating plate assembly principle ensures good quality output and good service life of parts.
Cutting System
A hydraulic shear cutter is incorporated in the machine, thus enabling cutting to preset position.
Easily changeable moving cutter provides four different cutting sides before replacement.
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