Applicable for Spot, Seam, Roll-Spot, 2Head Spot, Brazing, Flash Butt Welders

Secondary Constant Current Feed-back Control and Primary Voltage Fluctuation
  Compensation Control for reliable, high quality welds.

15 Weld Schedules

3 Impulse Weld Schedules

Up & Down Slope

9 Stepper/Linear Stepper

Repeat & Non-Repeat

2 Pressure Valve Output & 7_Operations

External Schedule Select/On Panel Schedule Select

Sensitive/Non-Sensitive Operation(Seam & Roll-Spot)

 Current1,2,3 Monitor with High/Low Monitor

3 easy-to-operate counters to aid in systematic quality control and tipdressing
  schedules.

Self-adjustment for maximum current function

3 Print-out Functions : RS-232 Interface

 Specification

AK-53V

AK-53H

Power Source

Welding Power Source

220VAC/440VAC +10% -25%

Control Power Source

110VAC ±15% or 220VAC ±15% [not changeover]

Frequency

50/60Hz Auto selection

Control Method

Secondary feed-back constant current control by phase control
with thyristor or source voltage fluctuation compensation control method.

Control Speed

Secondary Constant
Current Control

1/2 cycle

Source Voltage Fluctuation
Compensation Control

    1 cycle

Current
Accuracy

Welding Power Source
Voltage Fluctuation

±2% for +10% / -15%

Resistance Load
Fluctuation

±2% for ±15%

Inductive Load Fluctuation

±2% for ±15%

Indication

7-segment LED, 6.5mm(W) x 10.0mm(H)

Setting of Timers

Schedule

15 schedules

Squeeze Time

0~99 cycles

Weld 1 Time

Cool 1 Time

0~9 cycles

Up Slope Time

Weld 2 Time

0~99 cycles

Cool 2 Time

Weld 3 Time

Down Slope Time

0~9 cycles

Hold Time

0~99 cycles

Off Time / Pulsation

0~99 cycles / 0~9 times

Valve

1~7 operations

Maximum Current Setting Range

5.0~80.0kA

Current Setting Range

15 schedules
1) Constant current control mode, Current1,2,3 : 20%~100% of max current setting
2) Source voltage fluctuation compensation control mode, Current1,2,3:00.0~99.9%

Current Monitor

Setting of Upper Limit
Setting of Lower Limit 

15schedules, ±0~49%

Valve Output

System

Valves No.1 or 2 can be selected for 15 schedules and 7 operations

Output Voltage

Control voltage (1A Max.)

Stepper up
of Current

Step No.

0~9

Step Count

0~9999

Step Up Rate

50~200%

Counter

Weld Count

0~99

Work Count

0~9999

Total Count

0~9999

External Input
(Dry contact or open collector)

Program Lock Switch

Start 1, 2, 4, 8 Switch

Weld ON / OFF Switch

Thermo Switch

Step Reset Switch

Error Reset Switch

Interlock / Weld No. Switch

External Contact Output
(250V 0.5A)

Hold End Output

Error Output

Step End Output

Interlock / Weld No. Error Output

Print output

3 Operations, RS-232C Interface

Memory Retention

10 years (EEPROM)

Ambient Temperature

-10 to 55℃ (at non-freezing status)

Storage Temperature

-25 to 65℃ (at non-freezing status)

Ambient Humidity

35 to 85%RH

Insulation Resistance

Min. 100MΩ (at 500VDC)

Dielectric Strength

2000VAC 50/60Hz for 1 minute

Noise Strength

±2kV the square wave noise(pulse width:1㎲ by the noise simulator)

Vibration

Mechanical

0.75mm amplitude at frequency of 10 to 55Hz in each of X, Y, Z directions
for 1 hours

Malfunction

0.5mm amplitude at frequency of 10 to 55Hz in each of X, Y, Z directions
for 10 minutes

Dimensions

AK-53V

102mm(W) x 336mm(H) x 274mm(D), 4.0"(W) x 13.2"(H) x 10.8"(D)

AK-53H

336mm(W) x 102mm(H) x 274mm(D), 13.2"(W) x 4.0"(H) x 10.8"(D)

Weight

5.8Kg  (12.8lb)

Toroidal Coil

TC-450L

 Functions set with Dip Switches

 Time charts : Applicable for Rocker arm welders, Seam welders, Cable and Transformer guns and Bench welders

 3 Print-out Functions

 Connections

 Dimensions (Unit : mm)