Lincoln Electric IM904 manual Welding Procedures for STT

Page 18

B-6	OPERATION	B-6

WELDING PROCEDURES FOR STT II -

(Steel) Horizontal Fillet (See Table B.1 and B.2)

	DIRECTION
	OF	75°
	TRAVEL	75°
	TRAVEL

		TOP VIEW
		DIRECTION
	45°	OF	75°
	45°	TRAVEL	75°
		TRAVEL

END VIEW		FRONT VIEW
Table B.1
100% CO2 Gas Shield (Set for Steel Mode)

Plate Thickness “ (mm)	20 ga	14 ga	10 ga
	(0.9)	(2.0)	(3.25)
Electrode size “ (mm)	0.035	0.045	0.045
	(0.9)	(1.1)	(1.1)
WFS “/min (m/min)	100	100	170
	(2.5)	(2.5)	(4.2)
Peak Current	220	260	280
Background Current	30	40	65
Tailout setting	3	7	5
Average Amperage	60	105	120
Travel Speed “/min	12	12	12
(m/min)	(0.3)	(0.3)	(0.3)
Gas Flow cfh (L/min)		25 (12)
Electrical Stickout “		1/4 - 3/8
(mm)		(6.4 - 10)

Table B.2

75% CO2 - 25% Ar Gas Shield (Set for Steel Mode)

Plate Thickness “ (mm)	20 ga	14 ga	10 ga
	(0.9)	(2.0)	(3.25)
Electrode size “ (mm)	0.035	0.045	0.045
	(0.9)	(1.1)	(1.1)
WFS “/min (m/min)	100	100	120
	(2.5)	(2.5)	(3.0)

Peak Current	225	270	310
Background Current	40	65	70
Tailout setting	8	4	6
Average Amperage	70	110	130
Travel Speed “/min	12	12	12
(m/min)	(0.3)	(0.3)	(0.3)
Gas Flow cfh (L/min)		25 (12)
Electrical Stickout “		1/4 - 3/8
(mm)		(6.4 - 10)

(Stainless Steel) Horizontal Fillet

(See Table B.3 and B.4)

	DIRECTION
	OF	75°
	TRAVEL	75°
	TRAVEL

		TOP VIEW
		DIRECTION
	45°	OF	75°
	45°	TRAVEL	75°
		TRAVEL

END VIEW		FRONT VIEW
Table B.3
90% He, 7.5% Ar, 2.5% CO2
Gas Shield (Set for Steel Mode)

Plate Thickness “ (mm)	20 ga	14 ga	10 ga
	(0.9)	(2.0)	(3.25)
Electrode size “ (mm)	0.035	0.045	0.045
	(0.9)	(1.1)	(1.1)
WFS “/min (m/min)	100	130	170
	(2.5)	(3.3)	(4.2)

Peak Current	165	210	250
Background Current	35	60	85
Tailout setting	7	7	4
Average Amperage	40	95	120
Travel Speed “/min	12	16	16
(m/min)	(0.3)	(0.4)	(0.4)
Gas Flow cfh (L/min)		25 (12)
Electrical Stickout “		1/4 - 3/8
(mm)		(6.4 - 10)

Table B.4

98% Ar, 2% O2

Gas Shield (Set for Stainless Steel Mode)

Plate Thickness “ (mm)	20 ga	14 ga	10 ga
	(0.9)	(2.0)	(3.25)
Electrode size “ (mm)	0.035	0.045	0.045
	(0.9)	(1.1)	(1.1)
WFS “/min (m/min)	100	130	170
	(2.5)	(3.3)	(4.2)

Peak Current	145	190	280
Background Current	45	95	95
Tailout setting	7	8	7
Average Amperage	60	120	150
Travel Speed “/min	12	12	12
(m/min)	(0.3)	(0.3)	(0.3)
Gas Flow cfh (L/min)		25 (12)
Electrical Stickout “		1/4 - 3/8
(mm)		(6.4 - 10)

INVERTEC STT II (CE)

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Contents Safety Depends on You Invertec S T T II CESafety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Installation Technical Specifications -INVERTEC STT II CE For CodeINPUT- Three Phase only Stacking Select Suitable LocationInput Connections TiltingInput Cable Installation and CON- Nection Ground ConnectionTo Operate at Procedure Input Voltage Reconnect ProcedureWire Feeder Output Connections Output ConnectionsOperating Instructions Safety PrecautionsOperation General WarningsWelding Capability Design Features and AdvantagesRecommended Equipment Operating ControlsPower Switch Turns output 3B. Peak Current Display Meter ThisWire Feeder Receptacle This is Auxiliary Power Circuit BreakerWelding Parameters and GUIDE- Lines Peak CurrentWelding Procedures for STT Accessories Options / AccessoriesLN-742 or STT-10 Wire Feeder Connection Instructions Figure C.3 STT-10 to STT II Connection Maintenance Input Filter Capacitor Discharge ProcedurePreventive Maintenance Troubleshooting HOW to USE Troubleshooting GuideRecommended Course of Action Problems Symptoms Possible CauseAuthorized Field Service FacilityProblems Possible Symptoms Cause Troubleshooting Troubleshooting Problems Symptoms Possible Cause Wiring Diagram Invertec STT II CE for Code Wiring Diagram Invertec STT II CE for Code DiagramsDimension Print STT II CE DIAGRAMSF-3Invertec STT II CE Invertec STT II CE Invertec STT II CE Precaucion Warnung