Lincoln Electric LA-9, LA-26V, LA-17V manual Typical Current Ranges for Tungsten Electrodes

Page 7

CHART 1 — Select tungsten diameter and alumina nozzle based on current and application.

TYPICAL CURRENT RANGES FOR TUNGSTEN ELECTRODES (1)

 

 

DCEN (-)

DCEP (+)

 

 

 

 

AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balanced Wave

 

 

Unbalanced Wave

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tungsten

Pure and

Pure and

 

 

1%, 2%

 

 

 

1%, 2%

 

Electrode

1%.

2%

1%, 2%

 

 

Thoriated

 

 

 

Thoriated

Alumina

Diameter

Thoriated

Thoriated

Pure

Tungsten

 

Pure

Tungsten

Nozzle

in. (mm)

Tungsten

Tungsten

Tungsten

Zirconiated

 

Tungsten

Zirconiated

Size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.020

(0.5)

5-

20

(2)

10-

20

5-

20

 

5-

15

5-

20

4, 5, 6

0.040

(1.0)

15-

80

(2)

20-

30

20-

60

 

10-

60

15-

80

4, 5, 6

1/16

(1.6)

70-

150

10-20

30-

80

60- 120

 

50- 100

70- 150

5, 6

3/32

(2.4)

150-

250

15-30

60- 130

100- 180

 

100- 160

140- 235

6, 7, 8

1/8

(3.2)

250-

400

25-40

100- 180

160- 250

 

150- 210

225- 325

6, 7, 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)With argon gas.

(2)DCEP (+) is not commonly used in these sizes.

CHART 2 — Select Collet/Collet Body or Gas Lens Collet Body based on tungsten diameter and application.

Tungsten

 

 

Gas Lens

Electrode

Collet

Collet Body

Collet Body

Diameter

Part No.

Part No.

Part No.

in. (mm)

(Industry Ref.)

(Industry Ref.)

(Industry Ref.)

 

 

 

 

0.020 (0.5)

S19497-1

S19499-1

S19501-1

 

 

(13N20)

(13N25)

(45V41)

0.040 (1.0)

S19497-2

S19499-2

S19501-2

 

 

(13N21)

(13N26)

(45V42)

1/16

(1.6)

S19497-3

S19499-3

S19501-3

 

 

(13N22)

(13N27)

(45V43)

 

 

 

 

 

3/32

(2.4)

S19497-4

S19499-4

S19501-4

 

 

(13N23)

(13N28)

(45V44)

1/8

(3.2)

S19497-5

S19499-5

S19501-5

 

 

(13N24)

(13N29)

(45V45)

 

 

 

 

 

CHART 3 (Alumina Gas Nozzle) — Select alumina gas nozzle orifice size based on application.

Standard gas nozzle, 1-5/32” (29.3mm) long, or gas lens, 1” (25.4mm) long.

Nozzle

 

 

 

Orifice

Size

Standard Nozzle

Gas Lens

Diameter

(16th of

Part No.

Part No.

in. (mm)

an inch)

(Industry Ref.)

(Industry Ref.)

1/4

(6)

4

S19368-1

S19370-1

 

 

 

(13N08)

(53N58)

 

 

 

 

 

5/16

(8)

5

S19368-2

S19370-2

 

 

 

(13N09)

(53N59)

 

 

 

 

 

3/8

(10)

6

S19368-3

S19370-3

 

 

 

(13N10)

(53N60)

 

 

 

 

 

7/16

(11)

7

S19368-4

S19370-4

 

 

 

(13N11)

(53N61)

 

 

 

 

 

1/2

(12.5)

8

S19368-5

—

 

 

 

(13N12)

 

 

 

 

 

 

5/8

(16)

10

S19368-6

—

 

 

 

(13N13)

 

 

 

 

 

 

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Page 6 Page 8
Contents Operating Manual Safety Electric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Amps LA-9 Models AIR-COOLEDTypical Current Ranges for Tungsten Electrodes LA-17, LA-17V Models AIR-COOLED 150 Amps Tungsten Gas Lens Electrode Collet Collet Body Diameter LA-26, LA-26V Models AIR-COOLED 200 Amps Typical Current Ranges for Tungsten Electrodes Connection Diagrams KP505 For LA-9, LA-17, LA-26 Warnung PrecaucionAtenção Warnung

LA-26V, LA-9, LA-26, LA-17, LA-17V specifications

Lincoln Electric is renowned for its innovative welding equipment, and among their extensive range of products are the welding and cutting helmets known as LA-26, LA-17, LA-9, LA-26V, and LA-17V. Each of these models is designed to meet the diverse needs of professional welders and hobbyists alike, providing excellent protection while enhancing the overall welding experience.

The LA-26 helmet features a high-performance auto-darkening filter that adjusts its shade according to the welding process. This model is characterized by a lightweight design for comfort during extended use, and it provides excellent coverage and visibility, making it particularly suitable for MIG, TIG, and Stick welding applications. Its adjustable sensitivity and delay settings allow users to customize their welding experience based on personal preference.

The LA-17 helmet is another top-tier option from Lincoln Electric. Designed with a broader viewing area, it ensures welders have a clear line of sight while maintaining safety standards. This model incorporates a fast-reacting auto-darkening filter that transitions quickly to a dark state, enhancing the user's ability to work on different welding tasks. Moreover, the LA-17 is designed with a robust and durable shell, making it ideal for tough working environments.

For those looking for a more portable option, the LA-9 model stands out with its compact design and user-friendly features. This helmet is particularly favored by hobbyists and DIY enthusiasts for its affordability and effectiveness. It offers a quick reaction time and a fixed shade, making it suitable for basic welding tasks.

The LA-26V and LA-17V models bring a significant technological advancement with their variable shade options. These helmets allow welders to adjust the darkness of the lens depending on the task at hand. The LA-26V provides a versatile range, catering to various welding processes and ensuring optimal vision and protection across different conditions. Likewise, the LA-17V offers enhanced eyeball protection and UV/IR filtering for professional-grade welding.

Each of these Lincoln Electric helmets embodies the brand’s commitment to safety, comfort, and performance, making them staples in both professional and recreational welding applications. With features that prioritize user satisfaction and high standards in weld quality, these helmets are essential tools for any welding task.
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