TECNA 4649 Rocker Arm Spot Welder
25 kVA Air-Operated, Single-Phase AC Welder FOR SALE
The TECNA 4649 Rocker Arm Spot Welder is a 25 kVA (at 50% duty cycle) pneumatic air-operated welder, perfect for low-production maintenance applications. In addition, the TECNA 4649 includes 1 or 2-foot pedals to recall multiple adjustments of time-current. This function is helpful when different kinds of welds are to be performed on the same piece.
- Simple, fast setup and operation
- Air-operated for consistent weld quality and lower personnel fatigue
- Easy adjustment
- Built-in inclined or straight tip holders (hard-to-reach locations)
- Weld up to 2 pieces of 0.12″ low-carbon steel, or 0.39″ low-carbon steel wire
- Welds-coated metal like galvanized / galvannealed steel
- 220-440V – Dual-Voltage (right voltage anywhere in your plant)
- Works from 208-480V, single phase
- Arms slide in/out for easy adjustment
- Easily interchangeable and adaptable custom arms are available
- Weld controls are ergonomically located at the front of the machine
- Simple weld control (99 welding programs)
- Adjustable tip force for many applications
- Transport welder most anywhere only weighs 321 lbs.
- Free maintenance tools included
- Water cooling required
TECNA 4649 SPECIFICATIONSARM CONFIGURATIONSOPTIONAL - WATER RECIRCULATOR
| SPECIFICATIONS | Model – TECNA 4649 |
|---|---|
| Foot or air-operated | AIR |
| Power @ 50% duty cycle | 25 kVA |
| Max power | 55 kVA |
| Secondary voltage | 4.6 V |
| Maximum short circuit current | 14500 A |
| Maximum welding current on aluminum | – |
| Maximum welding current on steel | 11.6 kA |
| Thermal current @ 100% | 3.8 kA |
| Supply voltage (@ 60Hz)* | Dual Voltage 220 / 440 |
| Delayed fuses @ 220 VAC | 100 A |
| Delayed fuses @ 440 VAC | 50 A |
| Primary cables (up to 30m) | 16 mm2 |
| Insulation class | F |
| Compressed air supply | 94 – 145 psi (6.5 – 10 bar) |
| Air consumption per 1000 spots @ 94 psi (650kP / 6.5 bar) | 152 SCF (4.3 N / m3) |
| Arm minimum length | 15.0 in. (380 mm) |
| > Max electrode force @ 94 psi (6.5 bar) | 363 lbs. (165 daN) |
| > Working stroke | 0.4 – 2.4 in. (10 – 60 mm) |
| Arm maximum length | 27.6 in. (700 mm) |
| > Max electrode force @ 94 psi (6.5 bar) | 198 lbs. (90 daN) |
| > Working stroke | 0.6 – 4.1 in (15 – 105 mm) |
| Short circuit current with arms @ max length | 10.5 kA |
| Water cooling @ 36 psi (250 kP / 2.5 bar) | 1 gpm (3.8 lpm) |
| Minimum water pressure | 36 psi (2.5 bar) |
| Aerial noise produced | 70+ dB (A) |
| MEASURED CONDITIONS | |
| Working stroke | 0.79 in. (20 mm) |
| Welding time | 20 cycles |
| Welding current | 11 kA |
| Working rating (welds per minute) | 10 # / min. |
| Net weight | 321 lbs. (146 kg) |
| Arms | 1.58 in. (40 mm) |
| Electrode holders | 0.88 in. (22 mm) |
| Electrode taper size | 4RW/1MT |
- Arm depth is adjustable by up to 12.6” (320mm) depending on your working requirements.
- Adjustable Drop Arm Assembly, Option 6030, is available on all models. Note that a larger arm gap reduces available welding current. The greater the spacing between the arms, the lower the welding current available at the electrodes.
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OPTIONAL Dynaflux Water Recirculator Model R1100G
OPTIONAL Dynaflux R1100G (rotary gear pump “G”) water recirculator / cooling system [ model #: R1100G ]. IN-STOCK at AHB Tooling & Machinery.
- Factory set at 50 psi adjustable to 80 psi
- 3-gallon reservoir
- 115 or 230 VAC / 1 ph – 50 / 60 Hz
- 5.6 / 2.8 amp: 60 Hz
- 15,000 BTU
- Dimensions: 23″L x 11″W x 14.75″H
