Spot welding
Rocker arm spot welders
Pneumatic, microprocessor-controlled rocker-arm spot welding. AC models: 12, 20, 30 and 60 kVA (%50 DT), 400 V, 2-phase, 50/60 Hz. Water-cooled welding circuit with an air-cooled transformer.
Configurations vary by model and application.
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REAL DATA FROM THE SPEC SHEET
Configure your machine.
The results are the exact model values from the original technical sheet.
Model code: APR12P ac
Technical values for the selected model
| Rated power (%50DT) | 12 kVA |
| Secondary voltage | 3,8 V |
| Short-circuit welding current (max) | 8 kA |
| Arm length | 500 mm |
| Arm diameter | Ø50 mm |
| Stroke | 50 + 25 mm |
| Piston diameter | Ø80 + Ø80 mm |
| Air pressure | 2 / 8 bar |
| Electrode pressure force | 550 daN |
| Cooling water inlet pressure (min-max) | 2 / 5 bar |
| Cooling water inlet temp. (min-max) | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 8 lt/min |
| Transformer cooling type | Air |
| Weight | 230±20 kg |
| Dimensions (W×L×H) | 400×1250×1300 mm |
| Power supply voltage | 400 V · 50/60 Hz · 2-phase |
| Delayed circuit breakers | 35 A |
| Mains cable (≤10 m) | 2×4+2,5 mm² |
Every value below is taken verbatim from the original multilingual technical sheet.
AC · Rocker arm spot welders
| AC | APR12P ac | APR20P ac | APR30P ac | APR60P ac |
|---|---|---|---|---|
| Rated power (%50DT) | 12 kVA | 20 kVA | 30 kVA | 60 kVA |
| Secondary voltage | 3,8 V | 5 V | 5,9 V | 7,1 V |
| Short-circuit welding current (max) | 8 kA | 10 kA | 12 kA | 14 kA |
| Arm length | 500 mm | 500 mm | 500 mm | 500 mm |
| Arm diameter | Ø50 mm | Ø50 mm | Ø50 mm | Ø50 mm |
| Stroke | 50 + 25 mm | 50 + 25 mm | 50 + 25 mm | 50 + 25 mm |
| Piston diameter | Ø80 + Ø80 mm | Ø80 + Ø80 mm | Ø80 + Ø80 mm | Ø80 + Ø80 mm |
| Air pressure | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar |
| Electrode pressure force | 550 daN | 550 daN | 550 daN | 550 daN |
| Cooling water inlet pressure (min-max) | 2 / 5 bar | 2 / 5 bar | 2 / 5 bar | 2 / 5 bar |
| Cooling water inlet temp. (min-max) | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 8 lt/min | 10 lt/min | 12 lt/min | 14 lt/min |
| Transformer cooling type | Air | Air | Air | Air |
| Weight | 230±20 kg | 250±20 kg | 270±20 kg | 290±20 kg |
| Dimensions (W×L×H) | 400×1250×1300 mm | 400×1250×1300 mm | 400×1250×1300 mm | 400×1250×1300 mm |
| Power supply voltage | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase | 400 V · 50/60 Hz · 2-phase |
| Delayed circuit breakers | 35 A | 50 A | 63 A | 125 A |
| Mains cable (≤10 m) | 2×4+2,5 mm² | 2×6+4 mm² | 2×16+6 mm² | 2×35+10 mm² |
TYPICAL APPLICATIONS
Where this machine earns its place.
Common production scenarios our engineers see with this machine family.
Brackets, reinforcements and body panels joined point by point.
Appliance housings, drums and internal frames.
Chair frames, shelving and structural tube joints.
BUILT AROUND YOUR APPLICATION
Precision in every detail.
Family specifications from the current Akwa Technic catalog. The original technical sheet includes model-level ratings, dimensions, equipment and operating requirements.
| Rated power | 12–60 kVA (%50 DT) |
| Technology / control | Microprocessor |
| Power supply | 400 V · 2 phase · 50/60 Hz |
Product features
- Custom arm lengths are available.
- Welding capacities:
- Steel sheet: 0.4+0.4 / 3+3 mm
- Steel wire: Ø2+Ø2 / Ø8+Ø8 mm
- Stainless steel sheet: 0.4+0.4 / 2+2 mm
Optional equipment
- S-type electrode