Contact welding machine PEI-POINT series PFK INVERTER

Provider: PEI-POINT (Італія)
Product Code: PFK INVERTER
Availability: Pre-Order

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Technical data	Units	PFK INVERTER 241	PFK INVERTER 281	PFK INVERTER 381
Rated power 50% duty cycle	kVA	88	114	175
Rated power 20% duty cycle	kVA	140	180	280
Max. short-circuit current	kA	29	36	55
Compression force of the electrodes at a pressure of 6 bar	daN	735	1200	1200
Nominal power supply three-phase	V	400	400	400
Fuses	A	90	100	180
Air consumption	l/weld	11	23	23
Water consumption	l/min	12	12	12
Compressed air pressure	bar	6	6	6
Useful depth	mm	270	270	270
Electrode stroke	mm	80	80	80
Weight	Kg	750	770	850

Contact projection welding machine with linear stroke of electrodes PEI-POINT series PFK INVERTER.

These stationary machines of vertical type are characterized by the fact that they use the rectilinear stroke of the electrode, which is carried out with the aid of an air drive. These powerful modern welding machines are characterized by their increased characteristics, such as welding current or the compression force of the electrodes (in comparison with machines of the radial type).

This machine is equipped with a welding transformer, whose voltage, after straightening, is fed to the welding arc. The DC arc is more stable and has a better dynamic characteristics. The use of inverter technology not only improves the quality of the welding arc, but also increases the efficiency, realizes smooth adjustment of welding parameters, provides a minimum spatter during welding.

The pneumatic cylinder is located directly above the electrode holder, thus it is possible to eliminate slippage of the electrode. The length of the vertical contact machine is fixed. However, if more clearance is required between the electrodes, it is possible to add the option of reverse, double or adjustable stroke of the cylinder.
There are several modifications in the PFK INVERTER series: 241, 281, 381.

Features:

- all machines of the PFK INVERTER series have a strong mechanical design, are characterized by high build quality and reliability in operation;

- water cooling of the transformer, arms along the entire length and electrodes increases the permissible time of continuous operation of the apparatus and allows working with sheets of metal of greater thickness;

- durable electrodes made of copper-chromium alloy, designed for long-term high loads during heavy duty operation;

- built-in safety thermostats that monitor the temperature of contact surfaces;

- an installation is provided for the safe start of the welding process with both hands (on request);

- digital welding controller PX1700 with a wide range of functionality that provides control over the welding process. It has a built-in memory, supports recording up to 10 (optionally up to 100) different welding programs. Allows you to adjust the welding time, current rise time, number and frequency of welding pulses, electrode retention time after welding, automatic repetition of the welding cycle, etc.;

You can find all available components for welding equipment HERE

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Shoulders and electrodes:

PFK INVERTER machines are able to work with shoulders of a fixed length of 270 mm (the other length of the arm is available on request) with various types of electrodes designed for specific conditions and tasks - central, flat, contour, offset, hinged, etc.

Below are some of the electrode options: