RWA35/RWA50/RWA70   

The RWA range
The RWA range of "C"Frame Press HF welding machines are available in a variety of configurations and power settings making them ideal for most applications. The standard machine features high accuracy twin side loading trays with independent control stations (as shown here) but the machine can be built without any trays, with a single front loading tray or with a 180 degree two station rotary table.

As with all Relco welding machines, the HF generator is built into the press minimising floor space required and greatly reducing HF emissions. The RWA welder comes in a choice of three generator power ratings; 3.5kW, 5.0kW and 7.0kW. All generators benefit from the unique Relco AutoTune power control system which regulates the power output of the generator onto the welding head automatically throughout the welding cycle. This produces improved quality welding and also reduces weld times and reject rates leading to increases in productivity, some of our customers have reported productivity gains of over 25% following the introduction of an AutoTune system.

A full range of optional extras is available with the RWA machine including thermostatically controlled heated platen, twin stage pressure control and custom size platens.

Supplies
380-440v. 3 Phase 50Hz
20 Amps per Phase

Specification
Twin Tray "C" press
Twin push button operation
Operating frequency 27.12MHz
Mains on / off switch with automatic overload cut-off
Mains on, R.F on indicators
Automatic R.F. Overload protection with warning light and reset button
Preweld, weld & dwell process timers - synchronous motor type
AutoTune power Control System
Output power meter
R.F. on / off switch
5 digit resettable counter
Independent e-stop circuit
Start, stop, reset push buttons
Pneumatic pressure control and indicator - operates on 4-10 Bar
Automatic air filter and lubricator (self drain) fitted as standard

C frame HF Welder
Features
AutoTune power control for highefficiency
Low tray height, reducing operator fatigue
Plug in PCB's and relays for easy servicing
Grid switching to eliminate contactor wear
Ultra-sensitive arc limiting to extend tool life
Integral generator reduces floor space
Electronic height control reduces setting time
Optional heated platen for improved welding on rigid PVC
Optional power trays for minimum operator effort
Logic circuitry to safeguard work and the operator
24V control circuitry for additional operator safety

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