Lincoln Electric IM736-D manual Wire Drive Roll, Crater, Burnback, Spot

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OPERATION

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In the case of special waveforms designed for pulsed weld- ing aluminum, Pulse on Pulse™, the effect is similar to what occurs with standard pulse. As the Arc Control is increased from +1 to +10 the frequency of the Pulse on Pulse array increases. As the frequency increases the weld bead ripples become less distinct and the arc cone narrows. When the Arc Control is set from -1 to -10 the Pulse on Pulse arrays decrease in frequency, the weld bead ripples become more distinct, and the bead width increases.

•In the GMAW, FCAW, and Power weld modes, crater WFS and voltage are adjustable using the control knobs on the upper case front. This in indicated by the flashing LED’s next to "WFS" and "VOLTS."

•In the GMAW-P weld modes, Crater WFS and trim are adjustable. This is indicated by the flashing LEDs next to "WFS" and "TRIM."

In GMAW-PP mode, arc control adjusts the modulation fre- quency, which means the speed at which the ripples are produced in the weld. (See Pulse-on-pulse description later in this section.) When faster travel speeds are desired, arc control needs to be set higher. When slower travel speeds are desired, arc control needs to be set lower.

•The Arc-control adjustment is selected by toggling the SELECT switch until the LED next to ARC CONTROL is lit. The Arc-control value will be displayed. Arc-control can be adjusted by toggling the SET switch up or down.

•The default value is "OFF."

Crater

The crater is the end of the weld, which normally solidifies creating a concave surface. This can result in stresses that can cause cracks in the center of the crater. The purpose of the Crater control is to fill up the crater, so that its surface becomes flat.

Crater control in this machine is more efficient than in other machines. Normally, in other machines, the crater filling pro- cedure is a step down from the welding WFS to the crater filling WFS. In this machine instead of a step down, the tran- sition is a ramp down, which results in a more controlled fill- ing up of the crater and so, less stresses present in it.

The values to enter are first the desired time to stay at the Crater settings and the desired WFS and voltage/trim to fill the crater.

•The Crater timer is selected by toggling the SELECT switch until the LED next to CRATER is lit and flashing. A crater time may be set using the SET switch.

•The available values for crater control time go from "Off" to 0.1 seconds and from there to 10.0 seconds in incre- ments of 0.1 seconds.

•The Crater function offers the ability to set an endpoint for WFS and Voltage that will be reached over a specified time period. At the end of the weld when the trigger is released, the crater timer will begin and the WFS and Volts settings will ramp down from the Weld Mode WFS and Voltage settings to the Crater WFS and Voltage set- tings over the time selected. This creates a ramp down of the WFS and Volts during the Crater time.

Burnback

Setting the Burnback means setting the adjustable time delay between turning off the wire feeding and turning off the arc. Burnback helps to prevent wire sticking to the pud- dle.

•The Burnback feature will allow current to continue to flow for a specified time period at the end of a weld after wire feeding has stopped.

•The Burnback timer will be selected by toggling the SELECT switch until the LED next to BURNBACK is lit. A burnback time may be set using the SET switch.

•The default value is "OFF" (0 seconds).

•Burnback time is adjustable from 0 to 0.25 seconds in 0.01 second increments.

Spot

The Spot Timer adjusts arc on-time for spot or tack welds.

•With the Spot feature active (Spot time selected), when the trigger is pulled and the arc is established, the weld will continue until the expiration of the spot timer and the next active state will be enabled (crater or burnback). The trigger must be released and pulled again for another Spot cycle.

•The Spot timer is selected by toggling the SELECT switch until the LED next to SPOT is lit. The present SPOT time will be displayed and can be changed by toggling the SET switch up or down.

•The default value is "OFF" (0 seconds).

•Spot can be adjusted from 0 to 10.0 seconds in 0.1 sec- ond increments.

WIRE DRIVE ROLL

The drive rolls installed with the POWER MIG 300 have two grooves, one side for .030" (0.8mm) solid steel electrode, and the other for the .045”(1.2mm) electrode. The actual drive roll size is stenciled on the side opposite of its groove. If feeding problems occur, a check may be required to make sure that the wire size and the drive roll size matches. See "Procedure for Changing Drive Rolls" in this section.

POWER MIG 300

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Contents Safety Depends on You Power MIGCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Technical Specifications Power MIG InstallationLocation Safety PrecautionsUncrating the Power MIG Input POWER, Grounding and Connection DiagramsFigure A.1 Triple Voltage Machine Input Connections Shielding GAS GUN and Cable InstallationLiner Installation and Trimming Instruction see Figure A.3 GUN & Cable Assembly Installed Into the Power MIGInstallation Definitions of Welding Modes OperationCommon Welding ABBREVIA- Tions Other features Controls and SettingsProduct Description Operations 4OPERATIONB-4 Setting and Configuring the Power MIG 300 for WeldingPreflow / Postflow Weld ModeStart Procedure MULTI-PROCESS Panel FunctionsArc Control See Table B.2 Spot Wire Drive RollCrater BurnbackWire Reel Loading READI-REELS, Spools or Coils Procedure for Changing Drive and Idle Roll SetsIdle Roll Pressure Setting Feeding Wire ElectrodeAvoiding Wire Feeding Problems Pulse Welding GMAW-P Special Welding Processes Available on the Power MIGBenefits of Pulse on Pulse from Lincoln Electric PULSE-ON-PULSE GMAW-PPRecommended Welding Procedures for Power Mode Table B.4 Power ModeDual Cylinder Mounting KIT K1702-1 AccessoriesDrive Roll Kits K363P READI-REEL AdapterRemember do not change the WFS at the spool gun Non-Synergic Weld Modes ModePUSH-PULL Feeding Connection Adapter KIT K2154-1 Synergic Weld ModesMaintenance See Figure D.1 Liner Removal and ReplacementLocate Problem Symptom 1TROUBLESHOOTINGE-1Problems Possible Areas Symptoms Misadjustments TroubleshootingRecommended Course of Action Output Problems Feeding Problems GAS Flow Problems Displays Description Scrolling dash Push Pull Wire Feeding Problems Troubleshooting Tight. The tension arm should be Stall Factor Number Adjustment G3852 Wiring DiagramsG4068 Codes 10952 onlyWiring Diagram Power MIG 300 for Codes 10958 Wiring Diagram Power MIG 300 for Codes 11097 Wiring DiagramM19231 Dimension PrintPower MIG Power MIG Precaucion Warnung

IM736-D specifications

The Lincoln Electric IM736-D is a state-of-the-art industrial welding machine designed to meet the demanding needs of modern welding operations. Known for its robustness and versatility, this machine is specifically engineered for high-performance applications, making it an essential tool for professionals in various sectors, including construction, manufacturing, and maintenance.

One of the main features of the IM736-D is its advanced control system, which allows for precise adjustments to be made during the welding process. This feature provides welders with the ability to tailor their settings for different materials and thicknesses, ensuring optimal results every time. The machine also incorporates digital technology, providing an intuitive interface that simplifies operation and enhances user experience.

The IM736-D is built with a durable construction, ensuring longevity and reliable performance in high-demand environments. Its robust chassis is designed to withstand the rigors of daily use, while also being lightweight enough for easy transport between job sites. This balance of strength and portability makes it an ideal choice for contractors and fabricators alike.

In terms of welding technology, the IM736-D utilizes inverter technology, which contributes to its compact design and energy efficiency. This cutting-edge technology allows for quicker response times and stable arc performance, thus reducing the likelihood of defects in the weld. The machine supports various welding processes, including MIG, TIG, and Stick welding, making it a versatile option for a wide range of applications.

Additional characteristics include a built-in wire feeder, which facilitates seamless operations and minimizes downtime. The IM736-D also features advanced safety systems, such as overcurrent protection and thermal overload indicators, enhancing the safety of the operator during use.

Overall, the Lincoln Electric IM736-D stands out for its combination of innovative features, user-friendly technology, and robust construction. With its ability to deliver high-quality welds across various materials and welding processes, it remains a top contender in the industrial welding market, offering reliability and performance for professionals who demand the best.
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