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tecnica:meccanica:vector_welding_mig_130 [2025/03/11 14:55] – [4.5 Consumables] niccolotecnica:meccanica:vector_welding_mig_130 [2025/03/12 17:08] (current) – [Web references] niccolo
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 This is a reference table reported into the **Flameweld MTA1650** welding machine: This is a reference table reported into the **Flameweld MTA1650** welding machine:
  
-{{ .:vector_welding:flameweld-mta1650-current-voltage-table.jpg?360|Flameweld MTA1650 current reference table}}+{{ .:vector_welding:flameweld-mta1650-current-voltage-table.jpg?380|Flameweld MTA1650 current reference table}}
  
 ^  Flux-cored wire diameter  0.8 mm  ^^^ ^  Flux-cored wire diameter  0.8 mm  ^^^
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 |  1 mm |   50 |    16.5 | |  1 mm |   50 |    16.5 |
 |  2 mm |   70 |    17.5 | |  2 mm |   70 |    17.5 |
 +|  3 mm |   90 |    18.5 |
 |  4 mm |  110 |    19.5 | |  4 mm |  110 |    19.5 |
 +|  5 mm |  125 |    20.3 |
 |  6 mm |  140 |    21.0 | |  6 mm |  140 |    21.0 |
 |  7 mm |  160 |  > 22.0 | |  7 mm |  160 |  > 22.0 |
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 |  3.0 mm |  125 | |  3.0 mm |  125 |
 |  4.0 mm |  140 | |  4.0 mm |  140 |
- 
-This table instead is a more comprehensive reference, considering steel thickness, wire diameter, ampere and voltage: 
- 
-^ Steel thickness  ^ Wire Diameter  ^ Amperage range  ^ Voltage  ^ 
-| 1.6 mm (1/16")  |  0.8 mm |   50-120A |  16-18V  | 
-| 3.2 mm (1/8")   |  0.9 mm |  100-180A |  17-20V  | 
-| 6.4 mm (1/4")   |  1.2 mm |  160-250A |  21-24V  | 
-| 9.5 mm  (3/8")  |  1.2 mm |  200-275A |  23-26V  | 
-| 12.7 mm (1/2")  |  1.6 mm |  250-350A |  25-28V  | 
  
 ===== 4.4 Voltage adjustment ===== ===== 4.4 Voltage adjustment =====
  
 Voltage adjustment in gas-less FCAW (self-shielded flux-cored welding) plays a crucial role in controlling the arc characteristics, heat input, and overall weld quality. Here’s a deeper look at how voltage adjustment affects the process. Voltage adjustment in gas-less FCAW (self-shielded flux-cored welding) plays a crucial role in controlling the arc characteristics, heat input, and overall weld quality. Here’s a deeper look at how voltage adjustment affects the process.
- 
-{{.:vector_welding:example-weld-diagrams.png?direct&500|Example weld diagrams}} 
  
 Bead on **plate welds** have increased bead width and dilution as the arc voltage increases, although **the depth of penetration is relatively unaffected**: Bead on **plate welds** have increased bead width and dilution as the arc voltage increases, although **the depth of penetration is relatively unaffected**:
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 In summary, voltage adjustment in gas-less FCAW with flux-cored wire is pivotal in defining the arc length and stability, which in turn influences weld bead geometry, penetration, spatter levels, and slag formation. Understanding these interactions allows for better control over the welding process and ultimately a higher quality weld. In summary, voltage adjustment in gas-less FCAW with flux-cored wire is pivotal in defining the arc length and stability, which in turn influences weld bead geometry, penetration, spatter levels, and slag formation. Understanding these interactions allows for better control over the welding process and ultimately a higher quality weld.
 +
 +===== 4.5 Example weld diagrams and pictures =====
 +
 +The following image shows some examples of how welding parameters affect the result. Current (amps, often associated with wire feed speed), voltage, travel speed, contact-tip-to-work distance (CTWD or stick-out).
 +
 +{{.:vector_welding:example-weld-diagrams.png?direct&640|Example weld diagrams}}
 +
 +==== Current (ampere) faults ====
 +
 +{{.:vector_welding:current-faults-large.jpg?direct&276|Current faults}}
 +{{.:vector_welding:current-faults-section-large.jpg?direct&462|Current faults (section)}}
 +
 +==== Voltage (arc lenght) faults ====
 +
 +{{.:vector_welding:arc-length-faults-large.jpg?direct&276|Voltage faults}}
 +{{.:vector_welding:arc-length-faults-section-large.jpg?direct&462|Voltage faults (section)}}
 +
 +==== Travel speed faults ====
 +
 +{{.:vector_welding:speed-faults-large.jpg?direct&252|Travel speed faults}}
 +{{.:vector_welding:speed-faults-section-large.jpg?direct&479|Travel speed faults (section)}}
  
 ===== 4.6 Consumables ===== ===== 4.6 Consumables =====
  
   * **Wire spool size**: 16 x 100 mm diameter (inner x outer) x 44 mm.   * **Wire spool size**: 16 x 100 mm diameter (inner x outer) x 44 mm.
 +  * **Wire type**: The most common designations are **E71T-11** and **E71T-GS**. The //-11// is a wire for all positions and multi-pass welding while the //-GS// is a //general standard// usually suited for a single pass welding.
   * **Contact tip**: the tip has an M6 thread x 25 mm lenght. The torch consumables (tip and nozzle) should be compatible with the //Binzel standard// MIG torches **MB15**, also labeled as **AK15** by other manufacturers.   * **Contact tip**: the tip has an M6 thread x 25 mm lenght. The torch consumables (tip and nozzle) should be compatible with the //Binzel standard// MIG torches **MB15**, also labeled as **AK15** by other manufacturers.
   * **Nozle**: 12 mm inner diameter, 52 mm lenght.   * **Nozle**: 12 mm inner diameter, 52 mm lenght.
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   * **[[https://yeswelder.com/blogs/yeswelder/how-to-weld-a-comprehensive-guide-to-welding|How To Weld - A Comprehensive Guide To Welding]]**   * **[[https://yeswelder.com/blogs/yeswelder/how-to-weld-a-comprehensive-guide-to-welding|How To Weld - A Comprehensive Guide To Welding]]**
   * **[[https://tooliom.com/blogs/tooliom/classification-of-flux-cored-arc-welding-fcaw-wires|Classification of Flux-Cored Arc Welding (FCAW) Wires]]**   * **[[https://tooliom.com/blogs/tooliom/classification-of-flux-cored-arc-welding-fcaw-wires|Classification of Flux-Cored Arc Welding (FCAW) Wires]]**
 +  * **[[https://www.mig-welding.co.uk/arc-welding-faults.htm|Arc Welding Faults]]**
 +  * **[[https://welditmyself.com/e71t-11-vs-e71t-gs/|E71T-11 vs E71T-GS When you’re worried about making the wrong choice]]**
  
tecnica/meccanica/vector_welding_mig_130.1741701335.txt.gz · Last modified: 2025/03/11 14:55 by niccolo