B-12

OPERATION

B-12

POWER MODE™

The Power Mode™ process was developed by Lincoln to maintain a stable and smooth arc at low procedure settings which are needed to weld thin metal without pop-outs or burning-through. For Aluminum welding, it provides excellent control and the ability to maintain constant arc length. This results in improved welding performance in two primary types of applications.

Short Arc MIG at low procedure settings.

Aluminum MIG welding.

Power Mode™ is a method of high speed regulation of the output power whenever an arc is established. It provides a fast response to changes in the arc. The higher the Power Mode Setting, the longer the arc. If a welding procedure is not established, the best way to determine the Power Mode Setting is by experimenta- tion until the desired output result is established.

In the Power Mode two variables need to be set:

Wire Feed Speed

Power Mode Trim

Setting up a Power Mode procedure is similar to set- ting a CV MIG procedure. Select a shielding gas appropriate for a short arc process.

For steel, use 75/25 Ar/CO2 shield gas.

For Stainless, select a Helium blend Tri-Mix.

For Aluminum, use 100% Ar.

Start by setting the wire feed speed based upon mate- rial thickness and appropriate travel speed. Then adjust the Volts/Trim knob as follows:

For steel, listen for the traditional “frying egg” sound of a good short-arc MIG procedure to know you have the process set correctly.

For aluminum, simply adjust the Volts/Trim knob until the desired arc length is obtained.

Note the Volts/Trim display is simply a relative number and DOES NOT correspond to voltage.

Some procedure recommendations appear in Table B.4.

Recommended Welding Procedures for Power Mode - Table B.4

 

MATERIAL

Aluminum 4043

Aluminum 5356

Mild Steel

Mild Steel

Mild Steel

Mild Steel

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel

 

 

 

 

 

 

 

 

 

 

 

 

 

WIRE

E4043

E5356

L56

L56

L56

L56

L56

L56

E308L

E308L

 

 

 

 

 

 

 

 

 

 

 

 

 

WIRE SIZE

0.035

0.035

0.025

0.025

0.030

0.030

0.035

0.035

0.030

0.035

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS

100% Ar.

100% Ar.

100% CO2

75/25 Ar/CO2

100% CO2

75/25 Ar/CO2

100% CO2

75/25 Ar/CO2

Tri-mix

Tri-mix

 

 

 

 

 

 

 

 

 

 

 

 

 

THICKNESS

SETTINGMODE

22 ga.

 

 

Not Recommended

100 / 0.8

Not Recommended

90 / 1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 ga.

 

 

120 / 1.0

120 / 1.0

100 / 0.7

100 /1.0

 

 

80 / 1.5

50 / 0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18 ga.

 

 

140 / 1.7

140 / 1.5

110 / 1.5

110 / 1.5

100 / 2.5

100 / 2.5

110 / 2.0

110 / 2.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 ga.

 

 

190 / 2.0

190 / 2.0

125 / 2.0

125 / 2.0

125 / 3.0

125 / 3.0

140 / 2.5

130 / 2.7

 

 

 

 

 

 

 

 

 

 

 

 

 

MATERIAL

/WFSPOWER

14 ga.

400 / 2.0

400 / 2.5

260 / 3.0

260 / 3.0

160 / 2.3

160 / 2.3

160 / 3.8

160 / 3.5

210 / 3.0

190 / 3.5

 

 

 

 

 

 

 

 

 

 

 

3/16

570 / 9.0

600 / 7.8

330 / 5.0

330 / 4.5

400 / 7.5

400 / 7.0

200 / 5.0

200 / 4.5

270 / 5.0

230 / 6.0

 

 

12 ga.

 

 

230 / 3.5

230 / 3.5

 

 

10 ga.

500 / 7.0

500 / 7.0

 

 

300 / 6.0

300 / 6.0

240 / 6.5

240 / 7.0

325 / 6.5

300 / 7.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/4

700 / 9.1

700 / 8.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Not

Not

 

 

 

 

 

 

 

 

COMMENTS

Recommended

Recommended

 

 

 

 

 

 

 

 

below 400

below 400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WFS

WFS

 

 

 

 

 

 

 

 

POWER MIG 300

Page 24
Image 24
Lincoln Electric IM736-D manual Recommended Welding Procedures for Power Mode Table B.4

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.