Product DescriptionIntermediate Frequency Inverter DC Spot (Convex)
WelderDTB-80 DTB-160 DTB-240 DTB-280 DTB-340
DTB-450Customizable according to requirementsHigh Power ▪
Intermediate Frequency ▪ DC output currentEnergy saving, power
saving, high efficiency, low operating cost, and high welding
quality.Product overview: The medium frequency inverter DC spot
welding machine converts the power frequency (50Hz) AC to the
medium frequency (1000Hz) DC output. The time resolution is higher
than that of the power frequency, the control accuracy is also
improved, and the output current is not affected by the change of
the secondary output circuit. It has high thermal efficiency, large
output power rate and better welding quality. Compared with the
traditional power frequency welding machine, inverter medium
frequency DC welding will be efficient and energy-saving. It is a
technological revolution breakthrough in the field of resistance
welding.Welding material: Aluminum, copper, galvanized sheet,
carbon steel, nikel, tungsten and other metal materials.Material
thickness for standard machine: < 6.0+6.0mmProcess
recommendation: Spot weldingApplication industry: Widely used in
welding of metal products in automobile and auto parts
manufacturing, new energy power battery, photoelectric
communication, Electric light, compressor, hardware, furniture,
kitchenware and other industries Product
Parameters ParameterDTB-80DTB-160DTB-240 Rated
capacity80kVA160kVA240kVA Input power3 φ 380V3
φ 380V3 φ 380V Max. short circuit
current25KA35KA50KA Load duration
rate20%20%20% Inverter
frequency1000Hz1000Hz1000Hz Max.
pressure6000N6000N12000N Electrode
stroke80mm80mm100mm Welding ability
/ Aluminum2.0+2.0 mm2.5+2.5 mm3.0+3.0 mm Welding
ability / Carbon steel2.5+2.5 mm3.0+3.0 mm4.0+4.0
mm Arm extension size500 × 250mm500 × 250mm500
× 350mm Electrode arm size¢59 × 173mm¢59
× 173mm¢74 × 195mm Electrode holder size¢24.6
× 180 mm¢24.6 × 180 mm¢31.6 × 250
mm Electrode head size¢16 × 50 mm¢16 × 50
mm¢20 × 60 mm Net weight / Packing weight336kg
/ 392kg384kg / 440kg733kg / 809kg Overall
dimension / Packing size1180×750×1830mm
/ 1230X790X1950mm1180×750×1830mm
/ 1230X790X1950mm1200×870×2070mm
/ 1230X790X1950mmDetailed PhotosProduct
advantages 1. PDKJ MFDC ControllerThe intermediate
frequency welding controller and current closed-loop control can
control the actual welding current at high speed. The output
current is DC, and the current is smooth, the inductance reactance
is zero. The working frequency is 1000Hz, and the time control
accuracy is 1ms. The welding program can achieve multiple welding
functions such as preheating, welding, and tempering to achieve
complex welding functions. Humanized design, can save multiple
welding presets. 2.LCD touch screenThe interface is simple
and beautiful, and the operation is simple. Multi language
switching between Chinese and English, with clear welding
parameters at a glance. Cooperate with preset functions to achieve
fast welding. 3. Water cooling circulation
systemTransparent and intuitive water flow meter for easy
observation and adjustment of cooling water flow. PDKJ customized
anti-corrosion and anti-aging soft water pipes have a long service
life and prevent water leakage accidents. Stable and appropriate
temperature can improve welding quality and speed.
4. Thickened and stable body designThe body is designed with a
high-strength thickened steel plate mechanical structure, which is
stable and rigid, ensuring that the body does not vibrate during
welding, and large welded work-pieces do not shake. The
high-strength corrosion-resistant nano coating body can ensure
machine quality and ultra long service life. And it won the Red
Dot, known as the "beautiful spot welder". 5. Pure
copper transformerThe transformer of PDKJ is made of pure
copper for both primary and secondary poles, with a high
conductivity magnetic core and high-quality epoxy resin poured
inside. It has good insulation performance and stable performance,
and is packaged in a stainless steel shell, with a compact and
beautiful appearance. The rectifier component adopts high-power ABB
diodes, with stable performance and high efficiency, making it the
most reliable heart of PDKJ spot welding machine.
6. Precision and flexible welding platformThe welding platform
adopts high conductivity brass material with the copper
content of 85%, integrated electrode voltage mechanism,
short gas path, compact structure, fast reaction speed, and more
convenient installation and maintenance. The stroke between
electrodes is adjustable, which can greatly improve the welding
speed. Internally, it adopts water-cooled circulation for heat
dissipation, and can quickly replace welding fixtures and electrode
heads. 7. R&D Pneumatic systemThe seventh generation
pressure stabilizing cylinder developed specifically for welding
has fast response speed, high pressure resistance, and long service
life, meeting the needs of high-speed weldi
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