We manufacture micro controller based spot welding controllers that have input supply of 230V / 415V AC, 50Hz/60Hz and drive back to Back thyristors of any capacity as output with gate- cathode drive signals. These are micro controller based and can store up to 15 weld schedules using Non-Volatile Memory (EEPROM).

• These have UP/DOWN & ENTER keys for easy operation and two-digit LED display to indicate programmed values
• For SET and RUN mode easy to operate Key lock switch is provided
• In order to achieve better resolution settable timings are half cycle =10msec / cycle for 50Hz supply OR full cycle = 20msec / cycle for 50Hz supply.
• Consistent weld quality is ensured by energy control and precise time.
• On the front panel these have WELD / NO WELD switch and toggle switch to select ONE CYCLE and REPEAT CYCLE mode.
• For multispot welding machines and spot welding guns comprise two foot switches
• Availability of dual gun operation

Specifications

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

We offer seam welding controllers that have micro controller based circuitry. The input supply is 230V / 415V AC, 50Hz / 60Hz and for output thyristors of any capacity are derived by gate-cathode drive signal. These seam welding controllers are compact in design and have supply voltage fluctuation compensation. These are applicable for resistance seam welding machines of any capacity.

• Solenoid valve is operated by FS1 and welding operation is controlled by FS2
• 15 weld schedules can be strored using non-volatile memory (EEPROM)
• These have UP/DOWN & ENTER keys for easy operation and two-digit LED display to indicate set values and individual operations
• For SET & RUN mode key lock switch is provided and on the front panel WELD / NO WELD is provided
• In order to achieve better resolution timings are set in terms of HALF / FULL cycles
• In order to actuate the motor drive relay contact output is provided

Specifications

Squeeze Time	0-99 half cycles
Slope for Weld (W1)	0-9 half cycles
Weld Time	0-99 half cycles
Weld Energy	0-99% Programmable
Cool Time	0-99 Half cycles
Hold Time	0-99 half cycles

These have half cycle control resolution with three modes of operation run, program one cycle and repeat. Against mains input voltage variation primary voltage fluctuation compensation is provided in these digital spot welding controllers. The output is gate & cathode in order to fire back-to-back thyristors. These are applicable in table mounted microspot welders, manually operated (rocker arm type or similar) spot welding machines and also in low cost applications.

• Consistent weld quality is ensured by energy control and precise time.
• In the mains supply voltage built in compensation is provided against fluctuations (Output remains within ± 3% as against ± 15% Variation In Mains Voltage)
• Half Cycle { 1 Cycle 10msec (1 / 2 cycle of mains frequency)
• These have UP/DOWN & ENTER keys for easy operation and two-digit LED display to indicate entered values
• Toggle switch is provided to select repeat cycle or single weld
• WELD and NO toggle switches are provided
• Run mode is provided for the adjustment of weld % energy

Specifications

Squeeze Time	0-99 half cycles
Weld Time	00 to 99 Cycles
Weld Heat	00 to 99%
Hold Time	00 to 99 Cycles
Off Time	00 to 99 Cycles

We offer resistance spot welding system with constant current feedback. Our product galore also includes resistance spot welding controllers that are quite compact in design and user friendly.

• For constant weld current output secondary current feedback is provided
• Due to transformer losses these eliminate variation in weld output
• Current feedback can be taken using toroidal current sensing coil
• User can select constant current / constant voltage
• These have spot / seam mode that can be selected by user
• Error detection can be done for water flow, thyristor over heat / pressure, transformer over heat etc.

For resistance spot welding machines we manufacture pre wired control panels that are quite compact in design thus save floor space. These are widely applicable in spot welding guns, resistance spot welding machines, resistance projection welding machines and resistance seam welding machines.

• For operator safety MCB / ELCB / RCCB are provided
• For thyristor overheat, transformer overheat, water Flow etc in-built sensor inputs are provided
• Back to Back Thyristors according to the capacity of the machine- options available are water cooled and air cooled

We manufacture two models of synchronous digital controllers that have input supply of 230V/415V AC, 50Hz/60Hz. As far as output is concerned back to back thyristors of any capacity are derived by gate-cathode drive signal. These comprise of ON and WELD indicators and welding time is 0-99 cycles. It has 0-100% adjustable Weld Energy by potentiometer 0.1 sec - 3 sec Trigger Delay. These are applicable for simple resistance spot welders that are manually operated and for up-gradation of existing spot welders

• Consistent weld quality is ensured by energy control and precise time.
• To set the number of weld cycles thumbwheel switches are provided
• In the mains supply voltage built in compensation is provided against fluctuations
• These are quite user friendly and compact in design

We specialize in the manufacture of thyristor (SCR) power controllers microcontroller / analog Versions. For resistive inductive loads single / three phase / two phase A.C. SCR power controllers are provided in these controllers. These are applicable for A.C.Power control of inductive / resistive loads of any capacity and also for resistance metal gathering / heating machines.

For MIG welding machines we manufacture wire feeder motor drive. These are very compact in design and have single potentiometer control. These motor drives comprise of Two Track / Four Track / Spot Timer / Solid state main contractor, gas check and solenoid valve drive.

We offer battery tabs welding machine. These battery tabs welding machines have microprocessor based welding controllers with half cycle control. Compact in design these are fully synchronous. The thickness of welding head is 0.03mm-0.6mm with 100% liner motion. These are safe to use and during welding electrodes do not skid. In order to hold different sizes of battery cells pneumatically operated welding head is provided along with adjustable platform and series welding assembly. These are applicable in the manufacturing of battery packs and lead welding of capacitor elements. These are also use for wire harnesses, thermocouple wires welding of small parts like bulbs etc.