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Assessments - 4, GPA: 3.8 ( )

Instruções de Operação Campbell Hausfeld, Modelo WS4469

Fabricante : Campbell Hausfeld
Arquivo Tamanho: 3.74 mb
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When the speed is to slow, the weld metal piles up and the bead is high and wide. SlAG ReMOVAl Wear ANSI approved safety glasses (ANSI Standard Z87.1) and protective clothing when removing slag. Hot, flying debris can cause personal injury to anyone in the area. After completing the weld, wait for the welded sections to cool. A protective coating called slag now covers the weld bead which prevents contaminants in the air from reacting with the molten metal. Once the weld cools to the point that it is no longer glowing red, the slag can be removed. Removal is done with a chipping hammer. Lightly tap the slag with the hammer and break it loose from the weld bead. The final clean-up is done with a wire brush. When making multiple weld passes, remove the slag before each pass. 8 Operating Instructions and Parts Manual Welding Guidelines (Continued) WelDInG POSITIOnS Four basic welding positions can be used; flat, horizontal, vertical, and overhead. Welding in the flat position is easier than any of the others because welding speed can be increased, the molten metal has less tendency to run, better penetration can be achieved, and the work is less fatiguing. Welding is performed with the electrode at a 45. travel angle and 45. work angle. Other positions require different techniques such as a weaving pass, circular pass, and jogging. A higher skill level is required to complete these welds. Overhead welding is the least desirable position as it is the most difficult and dangerous. Heat setting and electrode selection will vary depending upon the position. All work should be performed in the flat position if possible. For specific applications, consult an arc welding handbook. WS4369 and WS4469 WelD PASS Sometimes more then one pass is necessary to fill the joint. The root pass is first, followed by filler passes and the cover pass (See Figures 9 and 10). If the pieces are thick, it may be necessary to bevel the edges that are joined at a 60. angle. Remember to remove the slag before each pass. Cover Cover FillerRootfigure 9 - Multiple Weld Passes Filler Root figure 10 - fillet Welds WWork Piece figure 8 - Weld Appearance nOTe: Weld bead width (W) should be approximately twice the diameter of the electrode rod used. Current Too Low Current Too High Arc Length Too Short Speed Too Fast Speed Too Slow Normal Current, Arc Length, Speed Arc Length Too Long Base Metal 9 Operating Instructions and Parts Manual WS4369 and WS4469 Maintenance Disconnect power supply and turn machine off before inspecting or servicing any components. BefORe eVeRy USe: 1. Check condition of weld cables and immediately repair or replace any cables with damaged insulation. 2. Check condition of power cord and immediately repair or replace any cord if damaged. 3. Check condition of electrode holder insulating pieces and immediately replace cracked or missing insulators. Verify that all fasteners are tight and insulated. Do not operate this welding machine with cracked or missing insulation on welding cables, electrode holder, or power cord. eVeRy 3 MOnThS: Replace any unreadable labels on the welder. Use compressed air to blow all dust and lint from the ventilation openings. Troubleshooting Chart Symptom Possible Cause(s) Corrective Action Welder does not hum when 1. No power at receptacle 1. Check circuit fuse or circuit breaker turned on 2. Broken or damaged power cable 2. Power cable requires service Welder hums but does not 1. Inadequate current at electrode 1. Check ground clamp, cable and connection to work piece. weld Check electrode cable and clamp. 2. Poor connections at welder 2. Check all welder external connections Welder gives trickle shocks 1. Accidental contact with work piece 1. Avoid contact with work piece 2. Current leakage caused by moist 2. Make sure clothing and work area are dry clothing or work area Welder overheats -blows 1. Use of extension cord 1. If possible, relocated welder to avoid use of extension cord. If fuses, trips circuit breaker relocation of welder is not possible, use thicker (lower gauge number) extension cord 2. Electrode diameter too large 2. Use smaller diameter electrode 3. Overloaded circuit 3. Welder requires a dedicated 230v circuit Arc difficult to strike 1. Electrode diameter too large 1. Use smaller diameter electrode 2. Work piece not properly grounded 2. Verify proper grounding. (No paint, varnish or corrosion) 3. Heavy loads making power line 3. Run welder on dedicated 230v circuit voltage low Bead is intermittently too 1. Inconsistent travel speed 1. Decrease and maintain travel speed thin 2. Output amp setting too low 2. Increase output amp setting or change to smaller diameter electrode Bead is intermittently too 1. Slow and/or inconsistent travel speed 1. Increase and maintain travel speed thick 2. Output amp setting too high 2. Reduce output amp setting Ragged depressions at edge 1. Travel speed too fast 1. Decrease travel speed of weld 2. Arc length too short 2. Increas...

Este manual também é adequado para os modelos :
Máquinas de soldar - IN973900AV (3.74 mb)
Máquinas de soldar - WS4369 (3.74 mb)

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