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Line 29: − Resistance spot welding is a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current. The Miller LMSW-52 Air-Cooled Spot Welder is a lightweight unit that is portable, easy to operate and excellent for welding mild, galvanized or stainless materials.<br /> + + + + + + + + + + Line 40:
Line 52: − * [https://www.millerwelds.com/files/owners-manuals/O359H_MIL.pdf Owner's Manual]+ + Line 53:
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Line 72: − + − <br \><br \><br \><br \><br \> − − − − ==Safety== − # Don't exceed gas pressure past specified value − # Don't weld with gas off − # Always use a welding helmet and proper PPE − # Don't weld in wet gear or standing water − # Don't unscrew regulator adjusting screw all the way out − # Make sure ground clamp is connected to work − + Line 83:
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|Has imagedesc=Protoflow Reflow Oven
|Has description=
|Has description=
|Has certification=
|Has certification=https://georgefox.instructure.com/courses/1281
|Has make=Miller
|Has make=Miller
|Has model=LMSW-52
|Has model=LMSW-52
|Has serial number=MJ328801N
|Has group=Circuit Board Design
|Has group=Circuit Board Design
|Has ace=Chandler Wann;cwann18@georgefox.edu
|Has ace=Levi Gibson;lgibson19@georgefox.edu
}}
}}
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__TOC__
__TOC__
==Safety First==
[[File:Safety First HD2.png|left|150px]]
* Wear gloves and welding helmet.
* Don't have bare skin exposed.
* Don't weld in wet gear or standing water.
* Welded material will be hot.
==Description==
==Description==
Resistance spot welding is a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current. The Miller LMSW-52 Air-Cooled Spot Welder is a lightweight unit that is portable, easy to operate and excellent for welding mild, galvanized or stainless sheet materials.<br />
* LMSW-52 spot welder manual [https://www.millerwelds.com/-/media/e50208051cc3492c9016790b303abf4f.pdf]
* LMSW-52 spot welder manual [https://www.millerwelds.com/-/media/e50208051cc3492c9016790b303abf4f.pdf]
==Documentation==
==Documentation==
[[Media:Spot_Welder_Manual.pdf|Spot Welder User Manual]]
====Terminology====
====Terminology====
====Demonstration====
====Demonstration====
For the demonstration you will need to perform a spot weld.
For the demonstration you will need to perform a spot weld using two pieces of scrap material.
====General Procedure====
====General Procedure====
# Turn on the spot welder
# Turn on the spot welder
# Place the material being welded between the clamps.
# Place the material being welded between the clamps.
# Clamp down on the two pieces of material for no more than 5 seconds.
# Clamp down on the two pieces of material for approximately 2 seconds. The time required to weld may vary slightly depending on the material and thickness.
# Grab workpiece with a set of pliers, and open the clamp.
# Grab workpiece with a set of pliers, and open the clamp.
<references />
<references />
==Certification==
==Certification==
[https://foxtale.georgefox.edu/moodle/course/view.php?id=31322 Foxtale Course]
[https://georgefox.instructure.com/courses/1281 Canvas Quiz]
==Troubleshooting==
==Troubleshooting==
====General maintenance====
====General maintenance====
The welding torch and cables should be inspected on a regular basis. Look for any signs of cracking or cuts in the cables.
The welding tips should be inspected and cleaned as needed.
====Specific Maintenance Tasks====
====Specific Maintenance Tasks====
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!Done By
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|Check Argon Pressure
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|Check Coolant Flow
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|Inspect collet & Cup
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|Before Use
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