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 displaying the exact energy readout of each weld. 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 available.
Adjustable weld energy/power. Dual pulse systems have adjustment for energy for both pulses. In addition the dual-pulse feature can be turned off.
Weld energy 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.

Example capacitive discharge weld pulse

Dual Pulse Industrial Spot Welders

Dual Pulse operation removes surface inconsistencies and contaminants
Adjustable pulse width, much more finesse than transformer based welders
Available 200 Joule (200 watt-seconds)
Adjustable from 1% to 100% energy discharge
Up to 600 welds/min
Simple, user-friendly interface, portable size.
Perfect for battery pack assembly
Hi visibility display shows weld parameters

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

DUAL PULSE INDUSTRIAL SPOT WELDERS

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PICTURE

PART NUMBER

DESCRIPTION

lbs

Price: $3875 Add to Cart

PST-CD200 DMP2

200ws Dual Pulse Industrial CD Spot Welder Features:

200 watt-second capacity
Single or Dual Pulse operation
Intuitive user-interface
Up to 275 welds/min.
Includes foot switch
200 Watt-Second Welding dual-pulse welder
Foot Switch with 8 foot cable
Welder attachment hardware
User’s manual
Dual probe hand piece
Nickel strip sample pack

29 Shipping weight 33 lbs

Single Pulse Research and Light Production Spot Welders

Energy Storage from 0.1 watt-seconds to 100 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
Standard repetition rates of 120 welds / minute
Simple and intuitive welder interface
Alphanumeric display shows weld parameters
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.

PICTURE

PART NUMBER

DESCRIPTION

lbs

$3100 Add to Cart

PST-CD100 SPM

100ws Single Pulse Research and Light Production Spot Welder Features: