Capacitive Discharge Spot Welders
Single and Dual Pulse Versions These adjustable fine spot welder power
sources allow you the versatility to take on projects from the large all the
way into the micro-scale! They give good repeatability by indicating
approximately every 0.1 volts of capacitor charge. They use solid state relay
electronics to transfer more power directly to the work piece. Purchase a hand
weld tool or weld heads to meet your project requirements. |
 Capacitive Discharge Spot Welder at low
price for high quality micro spot welds |
Features
- Inexpensive capacitive discharge power source single or dual pulse versions avialable.
- Adjustable weld voltage/power. Dual pulse systems have adjustment for energy for both pulses. In addition the dual-pulse feature can be turned off.
- Weld voltage indication
- Optional Pen, Battery Tab and manual or pneumatic plug-in weld heads
- Standard foot switch
A note about dual-pulse, capacitive discharge technology
Dual pulse spot welding is used for high quality welding. There are two pulses for every actuation of the welder. The first pulse is a small fraction of the total pulse energy. It has the ability to clean the area to be welded by giving it a quick heat pulse, evaporating surface water vapor, oil, oxides and other contaminants. It also establishes a good, high conductivity area for the second, or welding pulse. The second pulse fuses the two pieces together. The area of the weld is very small, the piece remains cool, and the electrical conductivity and strength are high because the two pieces are alloyed over the spot surface.
This method is particularly good for welding batteries, wires, jewelry, steel, stainless steel, chromium and other passivated surfaces.
Capacitive welding has the advantage of quick energy release, and manageable energy input. This means that welds occur fast enough that spots are small and have very small heat effected zones.
The welder can be operated on standard household voltage and powers.
Battery manufacturers require spot welders for tab welding and battery pack assembly. This small battery terminal welder is ideal for battery packs and tabs and contacts.
Dual Pulse Industrial Spot Welders
- Dual Pulse operation removes surface inconsistencies and contaminants
- Adjustable pulse width, much more finesse than transformer based welders
- Available from 150ws, 300ws, 450ws, and 700 ws
- Adjustable from 0.1% to 100% energy discharge
- Up to 166 welds/min
- Simple, user-friendly interface, portable size.
- Tack weld for jewelry assembly prior to soldering
These Dual Pulse CD welders are easy to use as well as powerful. CD (Capacitive Discharge) welding is a version of resistance fusion welding that offers high peak currents with extremely fast pulse rise times and short durations (on the order of 10's of microseconds). The short pulse lengths and high current allows the welding of highly conductive materials, including copper and brass. Welding current and pulse widths may be adjusted to weld more resistive materials such as steel and nickel. CD welding produces repeatable welds independent of local line voltage variations and is capable of extremely fine energy adjustment. The dual pulse weld setting helps eliminate surface inconsistencies, contamination and allows adjustment of the initial contact of the welding electrodes to produce repeatable results.
Technical Resources
Watch a video about Dual Pulse Industrial Spot Welders
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DUAL PULSE INDUSTRIAL SPOT WELDERS
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| PRO-CD150DPM | 150ws Dual Pulse Industrial CD Spot Welder Features:
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29 | 13 | $2,800.00 Add to Cart |
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| PRO-CD300DPM | 300ws Dual Pulse Industrial CD Spot Welder Features:
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34 | 15 | $3,400.00 Add to Cart |
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| PRO-CD750DPM | 750 ws Dual Pulse Industrial CD Spot Welder Features:
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43 | 20 | $5,000.00 Add to Cart |
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Single Pulse Research and Light Production Spot Welders
- Energy Storage from 0.015 watt-seconds to 200 watt-seconds
- Infinitely adjustable pulse width (how much energy is released)
- Peak weld currents of up to 6400A (1mOhm load)
- Minimum weld currents of 80A (1mOhm load or lower with increased load)
- Available in 100 and 200 watt-second versions
- Peak repetition rates of 166 welds/minute with external power supply
- Standard repetition rates of 30 or 13 welds / minute (100ws and 200ws)
- Simple and intuitive welder interface
- Up and running in minutes without any prior welding experience
These Single Pulse CD welders are an affordable solution to research institutions and businesses interested in small welding projects. Capacitive discharge (CD) welding offers high peak currents with extremely fast pulse rise times (10's of µs). CD welding produces repeatable fusion welds independent of line voltage fluctuations and is capable of extremely fine energy adjustment.
Capacitive welding has the advantage of quick energy release, and manageable energy input. This means that welds occur fast enough that fuse spots are small and make very small heat effected zones. The welder can be operated on standard household voltage and powers. Battery manufacturers require spot welders for battery tab welding and battery pack assembly. This small battery welder is ideal for making battery packs and tabs and contacts.
Technical Resources
Watch a video about Single Pulse Spot Welders
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SINGLE PULSE RESEARCH AND LIGHT PRODUCTION
SPOT WELDERS
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| PRO-CD100SP |
100ws Single Pulse Research and Light Production Spot Welder Features:
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19 | 8 | $2,200.00 Add to Cart |
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| PRO-CD200SP |
200ws Single Pulse Research and Light Production Spot Welder Features:
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21 | 9 | $2,800.00 Add to Cart |
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FAST CHARGING BOOSTER POWER SUPPLIES
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| PS25A | Adjustable Power Supply 25A
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20 | 9.1 | $175.00 Add to Cart |
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Weld Heads and Hand-Held Attachments
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We have a variety of welding hand pieces and weld heads are available to accommodate a diverse range of capacitance discharge welding applications, from small to micro to miniature. Hand piece welding attachments allow ease of use and versatility while the fixed weld heads supply control and precision. The weld heads are particularly well-suited to battery pack manufacturing. All welding attachments use a high current snap-in connector to simplify welder setup. These welders can also be used with other manufacturers weld heads through the use of an adapter cable. Technical Resources Weld Head
Datasheet Watch a video about SEK500 weld heads
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WELD HEADS
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| PRO-SEK500B | SEK500B Series Weld Head (Manual Foot Pedal) -
Ideal for battery pack manufacturing Features:
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29 | 10 | $1,950.00 Add to Cart |
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| PRO-SEK600B | SEK600B Opposed Weld Head (Manual Foot
Pedal) Features:
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29 | 10 | $1,950.00 Add to Cart |
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| PRO-SEK500A | SEK500A Series Weld Head (Air-actuated) - Ideal
for battery pack manufacturing Features:
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31 | 10 | $2,250.00 Add to Cart |
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| PRO-SEK600A | SEK600A Opposed Weld Head (Air-actuated) Features:
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31 | 10 | $2,250.00 Add to Cart |
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HAND-HELD WELDING ATTACHMENTS
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| WEIGHT | |||||
| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| DPHP RWMA II | Dual Probe Hand Piece
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1 | 0.5 | $125.00 Add to Cart |
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| SPHP RWMA II | Single Probe Hand Piece
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1 | 0.5 | $90.00 Add to Cart |
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| THP | Tweezer Hand Piece
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1 | 0.5 | $100.00 Add to Cart |
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| THP-B | Tweezer Hand Piece
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2 | 1 | $250.00 Add to Cart |
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| HP RWMA Package | Hand Piece RWMA Package Features:
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3 | 1.5 | $260.00 Add to Cart |
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PACKAGE
DEALS FOR BATTERY MANUFACTURING
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| PRO-CD150DPM SEK500A | 150ws Dual Pulse Welder and SEK500A
Air-Actuated Weld Head Includes:
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66 | 30 | $5,000.00 Add to Cart |
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| PRO-CD150DPM SEK500B | 150ws Dual Pulse Spot Welder and SEK500B Manual Foot
Pedal Weld Head Includes:
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62 | 28.1 | $4,725.00 Add to Cart |
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| PRO-CD300DPM SEK500A | 300ws Dual Pulse Spot Welder and SEK500A
Air-Actuated Weld Head Includes:
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69 | 31.3 | $5,600.00 Add to Cart |
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| PRO-CD300DP SEK500B | 300ws Dual Pulse Spot Welder and SEK500B Manual Foot
Pedal Weld Head Includes:
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65 | 29.5 | $5,325.00 Add to Cart |
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INTERNATIONAL VOLTAGE TRANSFORMERS
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| T500W | 500 Watt International Voltage Transformer
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9 | 3.6 | $65.00 Add to Cart |
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BATTERY WELDING MATERIALS
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| PART NUMBER | DESCRIPTION | lbs | kg | PRICE | PICTURE |
| SN250N54 | 0.25"w x 0.005"t x 25'L spooled nickel strip | 0.25 | 0.1 | $16.00 Add to Cart |
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| SN125N54 | 0.125"w x 0.005"t x 25'L spooled nickel strip | 0.25 | 0.1 | $16.00 Add to Cart |
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| SN125N34 | 0.125"w x 0.003"t x 25'L spooled nickel strip | 0.25 | 0.1 | $16.00 Add to Cart |
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| SN250N54_1.125L | 0.25"w x 0.005"t x 1.125"L pre-cut nickel strip 250pc | 0.25 | 0.1 | $16.00 Add to Cart |
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| SN125N54_0.75L | 0.125"w x 0.005"t x 0.75"L pre-cut nickel strip 250pc | 0.25 | 0.1 | $16.00 Add to Cart |
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| SN125N34_0.80L | 0.125"w x 0.003"t x 0.80"L pre-cut nickel strip 250pc | 0.25 | 0.1 | $16.00 Add to Cart |
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| SNSSP | Nickel Spool Sample Pack One 10 ft spool of each material listed above |
0.25 | 0.1 | $19.00 Add to Cart |
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| SNPSP | Nickel Precut Sample Pack 100pc of each precut material listed above |
0.25 | 0.1 | $19.00 Add to Cart |
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| SNFP | 9" x 12" Adhesive Fish Paper Sheets for Battery Pack Insulation (10 sheet pack) | 1 | 0.5 | $25.00 Add to Cart |
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