Sherman Welding machine DIGITIG 315 AC/DC Multipulse

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Description

SHERMAN DIGITEC® DIGITIG 315 AC/DC MULTIPULSE

Brand: SHERMAN | Welding methods: TIG AC/DC, MMA | Power supply: AC 3×400 | Welding current: 315A | Efficiency: 60%

STANDARD EQUIPMENT

  • ShermanDIGITIG 315 AC/DC Multipulse welding machine
  • Welding torch T-18/4m
  • Mass Cable
  • Electrodecable
  • Instructions

DIGITIG 315 AC/DC MULTIPULSE WELDING MACHINE

The DIGITIG 315 AC/DC MULTIPULSE digital welding machine is the latest generation device, intended for professional use. It is made in IGBT technology and equipped with digital control using a microcontroller (MCU). It is used for manual welding

  • TIG method for steel and non-ferrous metals with direct and alternating current,
  • MMA method (coated electrode).

Welder enables full digital regulation and control of welding parameters, arc and pulse characteristics, as well as selection of the AC current waveform. It has HF ignition, HOT START and ARC FORCE functions, two-step and four-step control, spot welding and LED display.

The device has a memory of the last setting, i.e. after turning it off and on again, the last set parameters are restored. It is also possible to save 20 sets of pulse and welding current parameter settings.

The top-class device sets new standards among AC/DC welding machines, and the friendly control panel ensures the selection of all necessary operating parameters.

TECHNICAL DATA:

  • Catalog number: 7812740
  • EAN code: 5903686618253
  • Welding/cutting/other methods: MMA DC, TIG HF AC, TIG HF DC
  • Supply voltage [V]: AC 3×400
  • Manufacturing technology: IGBT
  • Max MMA welding current [A]: 280
  • Max TIG AC welding current [A]: 315
  • Max TIG DC welding current [A]: 315
  • MMA duty cycle [%]: 60
  • TIG duty cycle [%]: 60
  • No-load voltage [V]: 67
  • Current rise time [s]: 0 – 15
  • Initial current [A]: 5-315
  • Base current [A]: 5-315
  • Slope time [s]: 0-15
  • Crater Current [A]: 5-315
  • Gas pre-flow [s]: 0.1 – 15
  • TIG gas post-flow [s]: 0.1 – 15
  • TIG pulse frequency [Hz]: 0.5 – 999
  • TIG pulse width [%]: 10-90
  • AC Frequency [Hz]: 1 – 250
  • AC Balance [%]: 15-50
  • Max MMA power consumption [kVA}: 9.2
  • Max TIG power consumption [kVA]: 6.3
  • Max MMA current consumption [A]: 15.3
  • Max TIG current consumption [A]: 13.7
  • Network security [A]: 16
  • Weight [kg]: 35
  • Dimensions (L x W x H) [cm]: 61.5 x 36.5 x 53

IGBT TECHNOLOGY

The basis for the construction of the welding machine's electrical energy conversion system are electronic systems made using theIGBT technology enabling operation in the frequency range above200 kHz.< /strong>

The welding machine is equipped with a power supply voltage compensation system, which allows its operation with voltage fluctuations in the mains up to 10%.

DUTY CYCLE

The duty cycle is based on a 10-minute period. A60%duty cycle means that after6 minutes of operation, a4-minute break is required. A duty cycle of 100% means that the device can work continuously, without interruption.

PROTECTION DEGREE

IP determines the extent to which the device is resistant to the ingress of solid and water contaminants.IP23means that the device is suitable for operation indoors and not suitable for use in the rain.

MMA WELDING

TheSherman Digitec® DIGITIG 315 AC/DC Multipulse device allows for welding with a coated electrode.

ARC FORCE FUNCTION

Enables regulation of the welding arc dynamics. The shortening of the arc length is accompanied by an increase in the welding current, which stabilizes the arc.

Decreasing the value results in a soft arc and a smaller depth of penetration, while increasing the value results in deeper penetration and the possibility of arc welding short.

When the ARC FORCE function is set to a high value, you can weld by maintaining a minimum arc length and a high electrode melting speed.

HOT START FUNCTION

It is popularly calledhot start. It works when the arc is struck, causingthe welding current to temporarily increase above the value set by the welder.

HOT START is intended to prevent the electrode from sticking to the material and is a great help when igniting the arc. When welding small elements, it is recommended to turn off this function, as it may burn the welded material.

GAS PRE-FLOW TIME

The time from pressing the button on the handle and opening the gas valve until the arc is ignited. It should normally be longer than 0.5 s to deliver shielding gas to the torch nozzle outlet to shield the weld start point and the tungsten electrode.

INITIAL CURRENT (STARK AMP)

Current appearing in the circuit when the button on the handle is pressed. The higherthestarting current, the easier it is to strike the arc. However, when welding thin sheets, too high an initial current may lead to the sheet being scorched.

GAS FLOW TIME

The time from extinguishing the arc to closing the gas valve to shield the solidifying weld pool from air and to cool the tungsten electrode. Too short a post-flow time may result in oxidation of the weld. When welding in TIG AC mode, this time should be longer.

PULSE DUTY

Pulse duration allows you to adjust the depth of embedding. Increasing the width increases the depth of fusion, reducing it reduces the amount of heat introduced into the material, reducing the risk of burning through thinner sheets or smaller elements.

Lower pulse width values should be used for higher currents.Higher pulse width values should be used for small currents, for example, a width above 50% should be used for currents below 100A.

BASE AMP)

Current responsible for maintaining the welding process, lower value of the current pulse. It makes it easier to control the amount of heat introduced into the material. Base current adjustment is only possible during pulse welding

DOWN SLOPE TIME

Welding current decay timefrom the set value to zero or crater current value.

CRATER CURRENT (FINISH AMP)

Current used in some welding modes when the arc is not extinguished immediately after the falling phase of the welding current. It allows you to fill the crater and the end of the weld.

CURRENT RISE TIME (UP SLOPE)

Welding current rise time from the initial current to the set welding current value.

PULSE FREQUENCY

Frequency at which the current pulse value changes between the welding current and the base current.

AC FREQUENCY

A function useful when welding aluminum. The higher the frequency, the better the quality of the weld and the better the arc concentration

AC BALANCE

The ratio of the duration of the positive to negative phase of the current. Reducing the balance introduces more heat into the material, achieving a narrower weld and deeper penetration, while reducing the heat load on the tungsten electrode.

Increasing the balance results in the introduction of less heat into the material, achieving better cleaning, a wide weld and shallower penetration, but significantly loads the tungsten electrode.

TIG SPOT

The device allows you tomake auxiliary tack welds in time-limited spot welding mode.

2T / 4T OPERATION MODE

2T - Two-stroke mode - pressing the button in the handle turns on the ionizer and ignites the arc. Welding is carried out with the button pressed.

4T - Four-stroke mode - pressing the button in the handle will turn on the ionizer and ignite the arc, then release the button and weld with the released button. Pressing the button again will end welding

SELECTING THE AC WAVE SHAPE

  • Sine wave -A classic wave, similar to transformer welders, preferred by older welders.
  • Square wave - The universal, most commonly used wave shape for welding any material. It generates more heat in the welding zone, greater penetration than other shapes.
  • Trapezoidal wave - A softer arc with a liquid pool and good material wetting. Better arc control than with a sine wave.
  • Triangular wave - Preferred especially when welding thin materials.

SETTINGS MEMORY

The device has a memory of the last setting, i.e. after turning it off and on again, the last set parameters are restored. It is also possible to save a total of 20 sets of settings - 10 each for the TIG and MMA methods.< /p>

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