Spot welding
Table type spot welders
Pneumatic, microprocessor-controlled table spot welding. AC models rated at 12, 20, 30 and 60 kVA (%50 DT); 400 V, 2-phase, 50/60 Hz.
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: APT12 ac
Technical values for the selected model
| Rated power (%50DT) | 12 kVA |
| Secondary voltage | 3,8 V |
| Short-circuit welding current (max) | 14 kA |
| Arm length | 165 mm |
| Arm spacing | 40 mm |
| Stroke | 50 mm |
| Piston diameter | Ø40 mm |
| Air pressure | 2 / 8 bar |
| Electrode pressure force | 80 daN |
| Cooling water inlet temp. (min-max) | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 6 lt/min |
| Transformer cooling type | Air |
| Weight | 185±30 kg |
| Dimensions (W×L×H) | 900×800×1240 mm |
| Power supply voltage | 400 V · 50/60 Hz · 2-phase |
| Delayed circuit breakers | 25 A |
| Mains cable (≤10 m) | 2×4+2,5 mm² |
Every value below is taken verbatim from the original multilingual technical sheet.
AC · Table type spot welders
| AC | APT12 ac | APT20 ac | APT30 ac | APT60 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) | 14 kA | 20 kA | 23 kA | 25 kA |
| Arm length | 165 mm | 165 mm | 165 mm | 165 mm |
| Arm spacing | 40 mm | 40 mm | 40 mm | 40 mm |
| Stroke | 50 mm | 50 mm | 50 mm | 50 mm |
| Piston diameter | Ø40 mm | Ø50 mm | Ø63 mm | Ø63 mm |
| Air pressure | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar | 2 / 8 bar |
| Electrode pressure force | 80 daN | 120 daN | 190 daN | 190 daN |
| Cooling water inlet temp. (min-max) | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C | 16 / 21 °C |
| Cooling water inlet flow rate (min) | 6 lt/min | 8 lt/min | 10 lt/min | 12 lt/min |
| Transformer cooling type | Air | Air | Air | Air |
| Weight | 185±30 kg | 215±20 kg | 235±20 kg | 280±20 kg |
| Dimensions (W×L×H) | 900×800×1240 mm | 900×800×1240 mm | 900×800×1240 mm | 900×800×1240 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 | 25 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
- Our specially guided, high-force cylinders are manufactured in-house.
- Welding capacities:
- Steel sheet: 0.4+0.4 / 1.5+1.5 mm
- Steel wire: Ø2+Ø2 / Ø8+Ø8 mm
- M3-M6 nuts and bolts
- Stainless steel sheet: 0.4+0.4 / 2+2 mm
- Aluminium sheet: 0.5+0.5 mm
Optional equipment
- Blade electrode
- Two-hand control system
- S-type electrode
- Proportional pressure regulator
- PLC control system and touchscreen
- Constant-current welding control system