Developed by goldsmiths for goldsmiths, you weld – we take care of the
details. Weld on findings, easily add metal, weld adjacent to stones,
weld silver (alloys), fill porosity, attach workpieces prior to soldering, weld
seams, and much more all no problem with the PUK®.
With its components tailored to ideally complement each other, this modern welding system is sure to impress: Control unit, welding microscope and the precision handpiece combined with an intuitive approach to operating and handling, controlled via the modern touch display. It‘s the interaction between all of these elements that makes reliable and reproducible welding possible – the perfect device for every goldsmith and every workshop.
In addition to the standard equipment of the PUK04, this welding system can be expanded and added to from a wide range of useful components and practical accessories – depending entirely on your individual requirements.
Superior welding characteristics
Consistently reproducible high-quality welding results with all materials suitable for welding
Precise positioning of the spot welds
Very low, controllable development of heat
Welding possible on even the thinnest of materials
Welding in a protective atmosphere
Simple and intuitive to operate
Manufactured using top quality materials, right down to the last detail
Precision handpiece for precision welding
Tested and certified product safety: GS & CE marks
DIN CERTCO certified eye protection in the microscope lens
Ergonomically optimised for work efficiency
Low initial costs, excellent price/performance ratio
Compact size – fits into every workshop
Welding microscope for precise welding results
Makes repairs and soldering work faster and easier
Very low costs of consumer materials
Low argon consumption
Practical system add-ons such as the PIN module, welding smoke absorber, welding wires and more; all available to suit your individual requirements.
up to 1,5Hz
Inert Gas Consumption: (e.g. argon 4.6)
approximately 2 liters/minute
Microscope Eye Protection:
DIN 3 / DIN 11 >UV 15 Protection / >IR 14 Protection
13"L x 5"W x 8"H
30 / 40
Touchscreen display leads the operator quickly and easily to the desired welding result. Metal (gold, silver, platinum, etc) is selected first followed by the actual welding scenario or geometry such as "thin sheet", "welding in an angle", or "apply welding wire", etc. With these pre-settings the various welding curves, the energy curve and any high frequency overlapping of pulses are set in advance and the recommended settings for the welding performance and time are implemented.
The display also shows recommended setting ranges, within which the operator can adjust the output and time requirements. The colorful visualization on the display makes it possible for deficient welding results due to unfavorable settings to be easily avoided. Help screens are available for every program symbol so you never have to wonder where you put the instruction manual. Personal device settings and individual welding parameters can be saved.
An expert mode is incorporated into PUK04 so the experienced welder can choose between various energy curves and store these with his/her individual settings for output and time. Expert mode also includes additional operating levels.
The PUK 04 enables even more precise welding than any previous version and even better welds are the result!
Automatic adjustment of ignition energy for absolutely even welding behavior across the entire performance range.
New high speed handpiece for extremely short welding times (from 0.5 milliseconds) creates the tiniest yet stable spot welds, as small as 0.2mm diameter.
Extremely short welding times at high energy densities enable welding with minimum heat effects.
Automatic welding flow reduction with simultaneous after-pulsing during the setting phase of the welding cycle assists in reducing the formation of cracks and shrinkage during the weld cooling process
The increased pulse amplitude on the PUK 04 has a strong compression effect and even more strongly concentrates the weld spot, improving welding in the peaks and niches of angular geometries.