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tecnica:meccanica:vector_welding_mig_130 [2025/03/11 15:05] – [4.3 FCAW amperage guide for steel thickness] niccolotecnica:meccanica:vector_welding_mig_130 [2026/04/12 08:00] (current) – [Welding samples] 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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 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 =====+===== 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). 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}} {{.: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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 ^ WFS  | Wire Feed Speed.  | ^ WFS  | Wire Feed Speed.  |
  
-===== Welding samples =====+===== Welding samples: 1 mm thich pipe =====
  
 These are some welding tests on a steel pipe (12 mm outer diameter, 1.0 mm thick), carried out at different current and amperage values. The wire used is a Telwin flux-cored 0.8 mm. These are some welding tests on a steel pipe (12 mm outer diameter, 1.0 mm thick), carried out at different current and amperage values. The wire used is a Telwin flux-cored 0.8 mm.
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 {{.:vector_welding:sample:img_173227_0.8w-40A-13.5V-3-slow-move_lbl.jpg?direct&260|}} {{.:vector_welding:sample:img_173227_0.8w-40A-13.5V-3-slow-move_lbl.jpg?direct&260|}}
 {{.:vector_welding:sample:img_173514_0.8w-40A-14.0V_lbl.jpg?direct&260|}} {{.:vector_welding:sample:img_173514_0.8w-40A-14.0V_lbl.jpg?direct&260|}}
 +
 +===== Welding samples: 4 mm thich bar =====
 +
 +Some (bad) tests on a steel bar, 4 mm thick, with a flux-cored 1.0 mm wire:
 +
 +{{.:vector_welding:welding-4mm-1.jpg?direct&400|}}
 +{{.:vector_welding:welding-4mm-2.jpg?direct&400|}}
 +
 +^  ^ Ampere  ^ Volt  ^
 +^ A  |  120 |  19.0 |
 +^ B  |  110 |  19.0 |
 +^ C  |  100 |  19.0 |
 +^ D  |  100 |  18.0 |
 +^ E  |  100 |  17.5 |
 +^ F  |  100 |  17.0 |
 +^ G  |  100 |  16.5 |
 +
 ===== Web references ===== ===== Web references =====
  
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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_130.1741701905.txt.gz · Last modified: by niccolo