CD-100 Capacitor Discharge Stud Welder

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The CD-100 Capacitor Discharge Stud Welded from Midwest Fasteners is one of the most powerful units on the market today.
With a solid-state design, the CD-100 is perfectly matched to heavy-duty industrial fastening for welding larger-diameter CD studs.

Not only can CD-100 weld materials such as mild steel, stainless steel, aluminum, and brass, but the unit is also capable of welding
studs up to 3/8* diameter weld base. Due to the speedy capacitor discharge process, studs can be welded to material as thin as 020″
gauge without burning through.

The CD-100 comes equipped with a high/low power range switch that is helpful in welding small and large-diameter fasteners. This
variable capacitance switch allows the operator to fine-tune critical applications from 84.000 to 168,000 MFD. Anchor unique
feature of the CD-100 is the leo panel meter, which displays capacitor discharge voltage at a glance.

Solid state circuitry and rugged steel chassis assure durability and long service life. What’s more, the unit is loaded with safety
features. Circuit breaker protection prevents expensive repair to component parts, such as printed circuit boards. The recessed control
panel protects gauges and control knocks. And the auto fault shut-off aids in operator safety.

An ultra-light 24-ounce ‘precision Contact Gun” is included with the CD-100 welding system. With this gun, operator fatigue is
reduced – thereby increasing production. The CD-100 contact gun also includes interchangeable main spring pressure that is
necessary for many special welding applications, and critical in welding aluminum fasteners and dissimilar materials.

Printable Specsheet

Power Supply / Controller

Height 9″
Width 13-1/2″
Depth 21″
Weight 66 lbs.
Weld Rate Up to 14/Min.
Weldable Materials Mild Steel, Stainless Steel, Aluminum
Pin/Stud Range 14 GA, thru 3/8″ Dia. Weld Base
Weld Voltage 34-175 VDC
Capacitance Low – 84,000 mfd
High – 168,000 mfd
Weld Mode Contact
Power Requirement 115 VAC, 60 Hz, 30 Amp

Weld Gun

Weight 1-1/2 lbs. (not including cable)
Size (LWH) 6-1/2″ x 2″ x 5-3/4″
Weldable Dia. 14 Gauge through 3/8″ Dia.
Material High strength, impact resistance, polycarbonate


Ground Cable #1 x 15 ft. (One Each)
Gun Extension Set #1 x 18/2 x 35 ft. (Direct to Gun)


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