Suspension welding machine PEI-POINT series PN

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

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Technical data	PN4	PN6	PN8	PN12	PN18	PN25	PN36	PN42	Units
Power at 50% load	4	6	8	12	18	25	36	42	kVA
Secondary short-circuit current	9	9	9,8	12,8	13,5	15	18	22	kA
Max. welding current	7,2	7,2	7,8	10,2	10,8	12	14,4	17,6	kA
Compression force of the electrodes (6 bar)	140	140	220	220	220	220	510	510	daN
DC secondary current	0,78	0,78	2,7	4	4,38	3	3,38	6,4	kA
Secondary voltage without load	3,6	3,6	2,1	2,7	2,9	5,9	6	4,6	V
Single-phase supply voltage	400	400	400	400	400	400	400	400	V
Rated frequency	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	Hz
Fuse	16	16	16	25	32	45	63	63	A
Air consumption per 1 point (6 bar)	1	1	1,5	1,5	1,5	1,5	3	3	L
Water consumption for water cooling	2	2	6	6	6	6	7	7	L/min
Maximum allowable pressure	6	6	6	6	6	6	6	6	Bar
Max. distance between electrodes	105,5	105,5	135	135	135	135	140	140	mm
Max. welding depth	170-445	170-445	200-800	200-800	200-800	200-800	200-800	200-800	mm
Diameter of the shoulders	25	25	30	30	30	30	40	40	mm
Diameter of sleeves for electrodes	16	16	19	19	19	19	25	25	mm
Diameter of electrodes	12	12	12	12	12	12	18	18	mm
Electrode stroke with shoulders 200mm	6-50	6-50	6-50	6-50	6-50	6-50	6-50	6-50	mm
Weight (without shoulders)	18	18	48	50	53	55	75	85	Kg

The PN series is designed to achieve the values given in the table above. To achieve them, the devices must be connected to a closed or open cooling circuit to prevent overheating. The productivity of the apparatus (dots / min) depends on the thickness of the welding material (low-carbon steel).

Suspension welding machine PEI-POINT series PN.

Suspension clamps with water cooling for contact spot welding, with built-in controller (regulator) of the welding cycle. These machines, as well as other contact and spot welding devices, find their application in the field of metal products production, welding of metal sheets, including metals of small thickness. These contact welding tongs do not contain pneumatic and hydraulic converters and require minimal maintenance in operation, they have good ergonomics and precise balancing, which makes it easy to use them in batch production. A well-designed suspension system for contact welding ticks makes it possible to tilt and free rotation around the axis. Welding pliers can be supplied in a special version - with the location of the regulator of the welding cycle in a separate locker. The PN series is represented by the following models: PN4, PN6, PN8, PN12, PN18, PN25, PN36, PN42. The figure after the mark indicates the rated power of the welding clamp.

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Features of the PN series:

- specially designed for industrial operation;

- mechanical design is strong, wear-resistant and reliable;

- water cooling of the transformer, arms along the entire length, electrodes and electrode holders;

- adjustable shoulder length;

- adjustment of the opening of the electrodes is provided;

- emergency thermostats and overheating sensors, automatic shutdown system;

- gyro cardan suspension with the use of a balancer guarantees free and convenient use of the device:

* gyro balancer;

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The built-in control system, synchronized with SCR. Depending on the model and its configuration, the PN series can be equipped with such controllers:

- welding controller S1, adjustment of welding pulse time and power with potentiometers (only for models PN4 - PN6);

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- digital welding controller PX1700 with a wide range of functions, providing synchronous control of the welding process. Has built-in memory, supports recording up to 9 different welding programs. Allows you to adjust the time, smoothness, frequency of welding pulses, pauses between them, hold, automatic repetition, etc .;

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- controller of a constant welding current PY600 (optional). On request, this controller can be installed if welding with DC is required. It has simple settings for the time increase of current, welding current, time to reduce current, set limit values, has memory cells for parameters and welding programs.

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Charts:

Below is a graphical information that describes the basic characteristics of the PN series and helps with the choice of a particular machine:
Productivity of welding of class C metal depending on its thickness
Maximum thickness of welding of class C metal, depending on the lenght of the shoulders
Dependence of the force of compression of electrodes on the shoulders extention

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Shoulders and electrodes:

Machines of the PN series are able to work with shoulders of various lengths - in the range from 170 to 800 mm, with different types of electrodes, as well as with various electrodes designed for specific conditions and tasks - central, flat, forged, etc. Below are some options for using different arms and electrodes:

Shoulders and electrodes