Smd Radial
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Soldering gun - Mud Clarifier - Hydraulic Drilling Rig TR300
Applications
Soldering guns are used where more heat is needed than from pencil-style soldering irons. They can be used for heavy electrical connections, stained glass assembly, and light sheet-metal work. Typical soldering guns are rated between 100 and 240 watts power. A gun may include a two-stage trigger to give two heat settings. Consumer soldering guns are often packaged with accessory tips intended for cutting and shaping plastic.
Soldering guns may be used to solder the small SMD components, after replacing the default thick wire with a thin one. If the wire loop is bent into a rectangular shape, the gun can be used to solder 14- and 16-pin 1.27 mm pitch SMD packages in about 8 seconds by heating all pins at once.
The tip shape, in the form of a wire loop, is advantageous for getting into confined space; the tip can be rotated to get into a gap between neighbouring components. This is not practical with the cone shape of a usual soldering iron. Temperature in the soldering gun is regulated manually by holding the button until the solder melts, and then releasing it. When the solder is about to start solidifying, the button is pressed again, and so on. An experienced worker develops the skill to regulate the temperature according to need.
A disadvantage of a soldering gun is that the copper wire loop slowly dissolves in the solder and has to be regularly replaced. The soldering gun generates an electromagnetic spike when the button is released, which can be a problem for electromagnetically-sensitive devices. The spike can be seen when a high-efficiency LED is soldered, as the LED flashes. Soldering guns produce too much heat for joints on printed circuit boards. The heavy magnetic field produced by the tip can attract and hold small ferrous metal pieces (screws, etc.). History
A 1948 advertisement for a Weller soldering gun
Pistol-grip electrically-heated soldering tools had been used since the 1920s. In 1941 Carl E. Weller invented and later obtained US Patent 2405866 for a transformer-type soldering tool, which heated up rapidly. Unlike other electrically-heated tools of the time, his soldering gun used a copper heating element, directly heated by a current of hundreds of amperes produced from a small transformer in the body of the gun. The relatively small mass of the copper element heated rapidly and cooled off quickly when the trigger was released. Weller formed a company to manufacture and sell his invention commercially in 1946. The Weller company was bought in 1970 and merged into the Cooper Industries group. See also
Helping hand (tool)
Solder
Soldering iron References
^ Weller, Carl E., "Electrical Heating Apparatus" US 2405866, filed July 14, 1941, issued August 1946.
^ Luckett, Hubert (May 1963). "Have Gun Will Solder". Popular Science Magazine 182 (5): pp. 163165, 191. ISSN 0161-7370. http://books.google.ca/books?id=uSADAAAAMBAJ&pg=PA163.
^ http://www.fundinguniverse.com/company-histories/Cooper-Cameron-Corporation-Company-History.html retrieved 2009 Oct 19
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Types of tools
Cutting tools
Blade Bolt cutter Broach Ceramic tile cutter Chisel Coping saw Countersink Diamond blade Diamond tool Drill bit Endmill File Fretsaw Froe Glass cutter Grater Hacksaw Hand saw Knife Milling cutter Miter saw Pipecutter Plane Razor Reamer Saw Scalpel Scissors Slasher Surform Switchblade Tap and die Tool bit Utility knife Water jet cutter Wire cutter Wire stripper
Garden tools
Adze Axe Billhook Bow saw Cultivator Earth auger Edger Garden fork Garden hose Garden trowel Hedge trimmer Hoe Hori hori Irrigation sprinkler Lawn aerator Lawn mower Lawn sweeper Leaf blower Loppers Machete Mattock Pickaxe Pitchfork Plough (plow) Post hole digger Pruning shears (secateurs) Rake Roller Rotary tiller Scythe Sickle Spade Splitting maul String trimmer
Hand tools
Block plane BNC inserter/remover Brace Bradawl Breaker bar Broom Brush Card scraper Caulking gun Clamp Crimping pliers Crowbar Fish tape Hammer Hawk Hex key Locking pliers Mallet Miter box Nut driver Pipe wrench Pliers Punch Punch down tool Putty knife Ratchet Scratch awl Screwdriver Sledgehammer Sponge Squeegee Staple gun Stitching awl Torque wrench Trowel Upholstery hammer Wrench (spanner)
Machine tools
Broaching machine Drill press Gear shaper Grinding machine Hobbing machine Jig borer Lathe Metalworking lathe Milling machine Planer Screw machine Shaper Turret lathe
Power tools
Angle grinder Band saw Belt sander Blow torch Chainsaw Chop saw Circular saw Concrete saw Crusher Cutting torch Die grinder Drill Glue gun Grinding machine Heat gun Impact wrench Jigsaw Jointer Nail gun Radial arm saw Random orbital sander Reciprocating saw Rotary tool Router table Sander Scroll saw Soldering gun Soldering iron Steam box Table saw Thickness planer Welding Wood router Wood shaper
Measuring &
Alignment tools
Caliper Jig Micrometer Pencil Plumb-bob Ruler Sliding T bevel Spirit level Square Tape measure
Other
Antique tools Halligan bar Kelly tool Ladder Thau claw Toolbox Vise Workbench Categories: Brazing and solderingHidden categories: Articles to be merged from January 2010 | All articles to be merged
About the Author
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