This machine is specially designed for making copper elbows min. diameter 15mm, rotating-arm for multi-station design, combing push-bending, two-end expanding and two-end ordering (chamfering) together.
This machine is capable for 90° elbow, or 45° elbow, or any other special degree elbow.
This machine is comprised of automatic elevator feeding device, four-station turn-table, auto unloading device, pneumatic system and PLC control system.
By changing tooling/moulds, different sizes (in same shape) elbows can be produced.
Main technical data:
Item
RDWZ24-4
RDWZ40-4
Graduated turntable
Servo drive, 4 stations
Applicable blank material
Bevelled cut tubes
Applicable copper tube diameter
Max. Φ 24mm
Max. Φ 40mm
Cycle time
6~8.0 seconds
12~20 seconds
Productivity
3600~4800 pcs per 8 hours
1440~2400 pcs per 8 hours
Tube mouth deformation ratio
Less than 3%
Servo motor power for rotating
0.4kW
0.4kW
Servo motor for end ordering
0.75kW x 2
1.1kW x 2
Hydraulic pump motor power
11kW
2 x 18.5kW
Hydraulic pressure
25MPa
Pneumatic pressure
0.5-0.7MPa
Cooling water
0.2~0.3MPa, temperature≤32ºC, flow 120L/min
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When copper elbow diameter less than 15mm, making machine will be different to above 4-station, but in 3-station, say, loading/unloading, expanding and chamfering.
Blank tubes for this machine is pre-bent in 45 degree or 90 degree by a separate return tube bender:
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