Micro controller Based Spot Welding Controllers: 3W-OL / 15 or WCU / 15
FEATURES
3W-OL/15 :Three consecutive programmable weld timings – preheat (W1), weld (W2), anneal (W3) with intermediate cool timings in one weld schedule to achieve high quality splash free welding.WCU/15 :Programmable WELD Time and Cool Time in a schedule.
- Non-Volatile Memory (EEPROM) to store up to 20 weld schedules.
- Easy to program with UP/DOWN and ENTER keys. Values programmed are indicated by a two-digit LED display. Individual operations within a weld schedule indicated by LEDs.
- Key lock switch provided for SET and RUN mode.
- Timings settable in terms of HALF / FULL cycles of mains supply frequency to achieve better resolution. Half cycle =10msec / cycle for 50Hz supply. OR Full cycle = 20msec / cycle for 50Hz supply.
- Precise time and energy control ensures consistent weld quality.
- ONE CYCLE and REPEAT CYCLE mode selectable by toggle switch. WELD / NO WELD switch provided on the front panel.
- Two weld schedules Externally Selectable by Two Foot Switches. This features is suitable for spot welding Guns and multispot welding machines.
- Dual Gun operation option available.
- Non-Volatile Memory (EEPROM) to store up to 20 weld schedules.
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[expand title="SPECIFICATIONS"]
Input Supply |
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230V / 415V AC, 50Hz/60Hz |
Output |
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Gate- Cathode Drive signal to drive a pair of back to Back thyristors of any capacity.
- Built in back to back thyristors for up to 95A primary current (optional).
- Normally Open Relay contacts for Solenoid valves.
- 2 Footswitch, 2 Valve operation suitable for Spot Welding Guns.
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Compensation |
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Supply voltage fluctuation compensation. (Output Voltage remains within ±3 % as against ± 15% variation in mains voltage.) |
Trigger |
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External Normally Open contacts of Footswitch. There are two options available:
- Single / Double Initiation Footswitch
- Two different schedules selectable by independent footswitches.
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Note: ‘Forge Delay’ and ‘Multi-Spot’ options available on request.[/expand]
[expand title="ADJUSTMENT OF VARIOUS PARAMETERS POSSIBLE AS PER TABLE"]
Squeeze Time |
0-99 half cycles |
Weld Energy (W2) |
0-99% programmable |
Preheat Time (W1) |
0-99 half cycles |
Cool (2) Time |
0-99 half cycles |
Energy Level (W1) |
0-99% programmable |
Anneal Time (W3) |
0-99 half cycles |
Cool (1) Time |
0-99 half cycles |
Energy Level (W3) |
0-99% programmable |
Slope of W2 |
0-9 half cycles |
Hold Time |
0-99 half cycles |
Weld Time (W2) |
0-99 half cycles |
Off Time (in repeat mode) |
0-99 half cycles |
[/expand]
[expand title="APPLICATIONS"]
- Precision Control of Resistance Spot Welding Machines of any capacity 0.1kVA to 300kVA.
- Precision Control of Resistance Spot Welding Guns / Dual Guns etc.
- Multi-Spot welding machines.
- Retrofitting controls for any make / any capacity spot welders.[/expand]