Presto M200 User Manual

Browse online or download User Manual for Welding System Presto M200. Section 1 - MMA welding General information and choice - Saf-Fro

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Section 1 - MMA welding
General information and choice criteria
Scheme of a manual installation for welding with coated electrode
The transfer of metal coated electrode Choice of the intensity of current
Power source direct
or alternating current
(single or three-phase supply)
Primary cable
Power source
Mask
Coated electrode
Workpiece
Earth clamp
Secondary cables
1877-051
3551-024
1794-030
Metallic core
Crater
Protection
atmosphere
SlagPenetration
of the
weld bead
Workpiece Weld bead Molten pool
Coating
Metallic drops
in transit in the arc
Thicknesses for flat
welding,
butt welding and
fillet welding (mm)
Electrode
diameter
(mm)
Average
intensity for
rutile electrodes
(A)
1.6 1.6 40
2.0 2.0 55
2.0-3.0 2.5 70
3.0-5.0 3.2 110
6.0-10 4.0 160
> 8.0 5.0 200
> 10.0 6.3 290
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Summary of Contents

Page 1 - Section 1 - MMA welding

4Section 1 - MMA welding General information and choice criteria Scheme of a manual installation for welding with coated electrodeThe transfer of meta

Page 2

53 specific MMA power source features: • Arc Force device gives a more stable arc in all welding conditions. • Hot Start device allows an easy arc str

Page 3 - 1 - MMA welding

6The SAXO range has been designed for light maintenance and repair applications.The weight and size has been reduced whilst maintaining a high quality

Page 4 - Portable DC Inverters

7The PRESTO PFC range is fitted with the new SAF-FRO inverter technology.The PFC controller is the technical solution to achieve conformance to the lim

Page 5

8PRESTO PRO and VRD welding machines have been designed to meet the most demanding conditions for on-site welding applications, offering reliable oper

Page 6 - MMA DC rectifiers

9The RODARC power source range has been designed for the most demanding on-site and workshop applications.Highly efficient welding using rutile and bas

Page 7

10The SAFEX power source range offers rugged and reliable welding operation for all workshop and on-site applications.Efficient, powerful and user frie

Page 8

11BUFFALO X - Reliable and of robust design, these machines provide excellent and consistent service in demanding on-site and workshop conditions.BUFF

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