RedHotDot MIG-19 Notice D'utilisation page 12

HOT MIG
SEMI-AUTOMATIC WELDING FOR STEEL/STAINLESS STEEL (MAG MODE)(FIG 3)
These welding can weld 0.6/0.8 and 1.0mm steel and stainless steel wires (fig 3A). The device is capable of working
with Ø 0.8 mm steel wire (contact tube Ø 0.8, roller Ø 0.6/0.8 and Ø 0.8/1.0). If you need to use Ø 0.6mm wire, you
will have to change the contact tube, and ensure that the reversible rollers in the wire feeder are posititioned correctly
(so that the writing that states "0.6mm" is visible when in place). For Steel or Stainless Steel, you will need to use
specific gas - Argon + CO2 (Ar + CO2). The proportion of CO2 will vary depending on usage. The gas flow in steel is
between 8 and 12L / min depending on the environment and experience of the welder. For the specific requirements,
seek advice from your gas distributor.
SEMI-AUTOMATIC WELDING FOR ALUMINIUM (FIG 3)
These welding can weld 0.8 and 1mm aluminium wires (fig 3B).
To weld aluminium, neutral gas "pure argon" (AR) is required. When choosing gas, ask a gas distributor for advice.
The gas flow in aluminium should be between 15 and 25 L / min depending on the environment and experience of the
welder.
Things to note when welding with Aluminium:
-Set the pressure rollers of the wire feeder on the wire at the minimum pressure so as not to pinch the wire
- Remove the capillary tube before connecting the aluminium torch
- When welding aluminium use a special aluminium torch with Teflon sheath to reduce friction. Do not cut the sheath
near the connector! It is used to guide the wire from the rollers. (diagram 3-B )
- Contact Tip: Use a contact tip SPECIAL aluminium corresponding to the diameter of the wire.
- Contact Tip: Use the specific Aluminium contact tip corresponding to the diameter of the wire.
SEMI-AUTOMATIC BRAZING WELDING FOR HIGH-TENSILE STRENGTH STEELS
These welding are recommended by car manufacturers to braze-weld high-tensile strength plates with a cuprosilicium CusI3
wire or cuproaluminium CuAl8 wire (Ø 0.8 mm and Ø 1 mm). The welder must use a neutral gas: pure argon (Ar). For
specific gas requirements, seek advice from your gas distributor. The gas flow required s between 15 and 25 L / min.
GAS CONNECTION (FIG 2)
Connect the manometer (flowmeter) to the gas bottle (manometer not supplied with the product).For use with one or
two bottles of gas.
To connect two bottles of gas to three torches, split the pipe into 3 pieces and attach a 3-way "Y" connector. (fig 2-C
) To link a single bottle of gas with 3 torches, cut the pipe into 4 pieces and attach two 3-way "Y" connectors.
Connect each bottle to the solenoid valves in the following order: -T1 solenoid valve to the top left (fig 2B:13)
-Spool gun solenoid to the top right (fig 2B:17) -T3 solenoid valve to the bottom (fig 2B:16)
To avoid any gas leaks, always use the collars supplied with the product.
PROCESS OF REELS AND TORCHES ASSEMBLY (FIG 4)
Open the device trapdoor.
- Place the reel on the driving pin (fig 4:2) of the reel support.
- Adjust the reel brake (fig 4:3) to avoid the reel inertia tangling the wire when welding stops. In general, do not
tighten too much!
- The electrical roller (fig 4:4) is a double groove roller (0,6/ 0,8 and 0,8/1). The indication on the visible side of the
roller is the diameter in use. For a 0,8 wire, use the 0,8 groove.
- For the first use:
- Release the fixing screw of the wire guide.
To set the adjusting knob of the pressing rollers (fig 4:5), proceed as follow: loosen the knob fully, start the motor by
pressing the torch trigger, tighten the adjustment knob whilst pressing the trigger. Bend the wire where it comes out of the
nozzle and hold it in place to stop its progress. The setting is correct when the guide roller slides over the wire even when it
is blocked at the end of the torch. A common adjustment is the rollers command (fig 4:5) on the scale 3 for steel
and 2 for aluminium.Nb: for the aluminium wire put a minimum pressure in order not to crush the wire.
MIG‐19 – MIG‐27 – MIG‐29
EN