6-5. Gun Movement During Welding

NOTE

Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for wide groove weld joints or bridging across gaps, a weave bead or multiple stringer beads works better.

1

2

3

1Stringer Bead – Steady Movement Along Seam

2Weave Bead – Side To Side Movement Along Seam

3Weave Patterns

Use weave patterns to cover a wide area in one pass of the electrode.

S-0054-A

6-6. Poor Weld Bead Characteristics

1

2

3

4

1 Large Spatter Deposits

2 Rough, Uneven Bead

3 Slight Crater During Welding

4 Bad Overlap

5 Poor Penetration

5

S-0053-A

6-7. Good Weld Bead Characteristics

1

2

3

4

1Fine Spatter

2Uniform Bead

3Moderate Crater During Welding

Weld a new bead or layer for each 1/8 in (3.2 mm) thickness in metals being welded.

4No Overlap

5Good Penetration into Base Metal

5

S-0052-B

OM-1314 Page 28

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Miller Electric M-15 manual Gun Movement During Welding, Poor Weld Bead Characteristics, Good Weld Bead Characteristics

M-15 specifications

Miller Electric M-15 is a highly regarded welding machine designed to cater to a variety of welding applications in both industrial and commercial environments. Known for its reliability and efficiency, the M-15 stands out in the Miller Electric lineup due to its impressive performance and user-friendly features.

One of the primary characteristics of the M-15 is its versatility. It supports multiple welding processes, including MIG, TIG, and Stick welding. This multi-process capability allows operators to switch between different techniques without needing to change equipment, making it an ideal choice for fabricators and maintenance professionals who handle various welding tasks.

The M-15 is engineered with advanced inverter technology, which enhances its performance and efficiency. This technology allows for a lightweight design while still delivering powerful output. The machine offers a wide range of amperage, making it suitable for welding thin materials as well as thicker sections. As a result, the M-15 can tackle everything from delicate sheet metal projects to robust structural welds.

Another standout feature is its intuitive control panel, which simplifies operation for both novice and experienced welders. The easy-to-read display provides essential information regarding settings and performance, allowing users to make adjustments on the fly. This user-friendly interface minimizes the learning curve and maximizes productivity in the workshop.

In terms of safety, the Miller Electric M-15 incorporates several features designed to protect users during operation. Its built-in thermal overload protection automatically shuts down the machine in case of overheating, thus preventing damage to the equipment and ensuring the safety of the operator.

Durability is also a hallmark of the M-15. Constructed with high-quality materials, this welding machine is built to withstand the rigors of daily use in demanding environments. The housing is designed to protect internal components from dust, debris, and accidental impacts, ensuring consistent performance over time.

Overall, the Miller Electric M-15 combines advanced technology, versatility, and reliability into a compact and powerful welding machine. Its user-friendly design, safety features, and robust construction make it a top choice for professionals looking to invest in a reliable welding solution. Whether for heavy industrial applications or lighter fabrication work, the M-15 is equipped to meet a wide range of welding challenges with confidence.