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Tack Welding
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Tooluxe Pro-Quality 115V 1/8" Electric Spot Welder List Price: $250.00 Sale Price: $149.99  |
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115V/60Hz Input Capacity: 6.6kW Rated Duty Cycle (%): 30@6.6kW Throat Depth: 180mm Applied Spot Welding Thickness: 1.0+1.0mm Works w/ Mild, Galvanized/Stainless Steel Single-Phase & Portable |
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Malco RH4 12-Ounce Riveting Hammer -Leather Grip List Price: $52.60 Sale Price: $43.10 |
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# One-piece forged I-beam construction # Leather grips |
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Dental Spot Welder - Brand NEW in 110V US Standard List Price: $699.98 Sale Price: $439.98 |
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You are looking at a brand new, factory direct Spot welder , this is a US standard 110V 60Hz unit. This instrument is used to repair various dental treatments, and to repair or heat orthodontic materials. Our precise system uses stainless steel wire between 0.2mm-1.8mm to make durable and long-lasting welds. ?Features an advanced microprocessor that offers long-lasting and high-precision welds ?Our user-friendly design accurately displays the functional mode and power parameters, allowing you to adjust desired parameters with ease ?The advanced safety features is equip with low-pressure, high-pressure and over-heating warnings, protecting your health and safety during operation ?Automatically saves settings from last time used for your convenience ?Can be used for various functions, i.e. spot welding, brace welding, heating, etc... Specifications ?Power supply: 110V±5%, 60HZ±1HZ ?Power: 0.4KW ?Low pressure alarm: displays "LLLL" and alarm sounds ?High-pressure alarm: displays "HHHH" and alarm sounds ?Operation alarm: when the function mode does not match the settle mode, displays "LLHH" and alarm sounds ?Security type: BF ?Transformer overheating protection: 85? ?Capacity regulator: spot welding=1-30, braze welding=1-9, backfire=1-9 ?Dimensions of workpiece: ?5×20mm~1.8mm stainless steel ?Fuse: ?5×20mm, 20A ?Storage environment: temperature -10?~55?,Relative humidity ?80% ?Ambient conditions: temperature 5?~40? , relative humidity ?80% ?Shipping weight: 23 lbs (9 kg) |
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Campbell Hausfeld WS0970 115-Volt 70 Amp Arc Stick Welder List Price: $134.99 Sale Price: $114.15 |
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The Campbell Hausfeld WS0970 115-volt 70 Amp arc stick welder can weld mild or stainless steel from 18-gauge to 1/8-inch thick, and is ideal for use on boat trailers, wrought iron, or automotive sheet metal. It comes with a dual heat setting for use with welding rods, and its thermal overload protection automatically shuts off the welder at its duty cycle rating. A contoured face makes operating the arc welder easy, as do the carry handle and storage clips to hold the cables in place. The Campbell Hausfeld WS0970 welder is powered by a 115-volt current and generates 70 Amps of power. A built-in storage keeps accessories organized while cord management maintains secure storage. This welder includes a welding shield, hammer/brush, electrodes, and quick start guide. Campbell Hausfeld backs its welder with a 5-year limited warranty. What's in the Box Welder, welding shield, hammer/brush, electrodes, and quick start guide. |
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Welding Chipping Hammer With Interchangeable Steel Brush List Price: $20.99 |
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Three tools in one! This multi-purpose MASTER QUALITY MW71304 Old Time Welder's Chipping Hammer includes a built-in Straight Chisel and Replaceable Wire Brush for fast MIG, TIG, ARC, Spot, and Stitch weld clean-up. When the wire brush wears out, simply pop-out and replace. Wgt: 1.25 Lbs. Imported. |
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Miller 900371 Msw-41 110 List Price: $686.07 Sale Price: $695.87 |
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MSW-41 Air Cooled Spot WelderPart# 900371MSW Series lightweight, air-cooled units are portable, easy to operate, and provide a quick and effective means for spot welding mild, galvanized or stainless materials. MSW models weld up to 1/8 in (3.2 mm) total material thickness or two pieces of 20 gauge (1.8 mm) galvanized metal.Hand lever locks tongs firmly on material, ensuring positive, accurate fit-up.Accommodates a wide variety of tongs and tips.Quick and easy adjustment for material thickness.Reversible for left- or right-hand operation.Note: Tongs and tips must be ordered separately. One standard set of tips is supplied with each set of tongs. ProcessResistance Spot Welding (RSW)ApplicationsSheet Metal Light Fabrication MaintenanceSpecificationsInput PowerMSW: 110 VAC, 30 ANet WeightMSW-41: 22 lb (10 kg)Output Power Range (calibrated with standard-type tongs)MSW: 6 in (152 mm) 5,550 A MSW: 12 in (305 mm) 4,500 A MSW: 18 in (457 mm) 3,600 ARated Output MSW : 1.5 kVA at 50 % Duty CycleWork Capacity (combined thickness uncoated mild steel using 6 in [152 mm] tongs)MSW: 1/8 in (3.2 mm) |
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Speedway Series 1404 110-Volt 30-AMP Spot Welder List Price: $159.99 |
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6" tongs lock firmly onto materials/ Use this spot welder for any of your projects! |
Here are some more information for Tack Welding:
Some of you reading this are about to take your first TIG welding certification test in the aerospace industry. Maybe you are transitioning from another industry like pipe welding where you welded stainless and carbon steel pipe, or food service where you welded stainless steel sheet metal. Either way, let me tell you a few tips that might help you get ready:
Everything is thinner and smaller. The tig torch, electrode, filler wire, and possibly even the tig welding machine will be smaller than you are accustomed to. In pipe welding for example, a 1/8 inch rod is considered the big tig welding rod. In Aerospace tig welding, a 1/16 inch rod is big.
Everything needs to be cleaned better. All joints are normally x-rayed in an aerospace tig welding certification test. Metals like titanium, aluminum, and magnesium are prone to porosity. Remember the 3 C's ...clean, clean, clean. Especially important is filing the sheared edge of metal that will be welded. That sheared edge looks pretty clean but it is a trap for oil and corrosion products. File it and when you think you have filed it enough, file some more.
Everything makes a difference. Little things like the size of your tack welds, how you position the test plates in the fixture, how much flow rate is used on the purge gas, angle of torch, angle of filler metal rod, what kind of abrasive you use to clean the metal, how pure the argon or other shielding gas is...you get the picture. Like my old coach used to tell me...nothing is fair, but everything matters.
Everything needs to be shielded better. The hot tip of the filler rod will put oxides in your puddle. You can get away with a little of that in pipe welding stainless and mild steel, but it will kill you when welding something like .020" 15-7 precipitation hardening stainless or .032" inconel 718. To keep the end of the rod perfectly shielded , use a tig cup that is at least 3/4 inch id. With a diffuser that provides a nice soft blanket of argon shielding to the puddle. ..and you need to test it on a scrap piece of titanium to make sure it is working before lighting up on your tig welding certification plates.
3 more tips for passing an aerospace tig welding test...
- About 1 amp per 1 thousands of thickness welded will get you in the ball park. Set the tig welding machine amperage accordingly plus about 10 more amps just in case and use the foot pedal to adjust. This will keep you out of trouble by limiting your amperage. usually a bead width of 4 times the thickness welded will get the penetration needed for butt welds.
- Use the smallest electrode that will get the job done. And sharpen it really good with scratches running lengthwise. long tapered works better for really thin (.020") and less of a taper is better for thicker welds
- Use the smallest filler wire that will work with having to feed too much. Too big a tig welding rod will draw too much heat out of the puddle and will cause you to use more amperage than is required . Too small a filler wire will cause you to feed too much and you cant keep up.
Get lots of Tig welding tips and also information on Welding Certification ...This is your new source for Down and Dirty welding tips. http://www.weldingtipsandtricks.com/
How I Replaced The Rusted Floor Pans In A 1962 Chevy Ii Nova
I bought my 1962 Chevy II Nova in 1988 from a friend I was serving with in the National Guard. The car was rather sound. There were really no problems and I was able to drive it home, in fact, I did no work to the car for a number of years. I would drive it to work a couple of times a week and again take it out weekends. I was really happy with the car. Three years ago, I decided to repaint it. I know I could have taken it to a body shop, but I wanted to do it myself. I wanted this to be a project my son and I could work on together. I began stripping the car down and this is the beginning of my story.
I figure I will be learning a lot during the process of restoring my Nova back to its original beauty, so I thought I would document the processes I will go through and post them online with plenty of pictures with the intent of maybe helping someone else with their project. So lets’ get started!
I have removed everything that I can remove from the body of the car. I did mount an ignition switch on the firewall so I could start the car and move it around but when the actual painting process begins I will be removing the motor and transmission. I started with the floor pans. There was a descent amount of rust in the front and just a little in the rear. The transmission hump and driveshaft tunnel were fine.
I wanted to buy the entire floor pan and replace it all but it was more expensive than I wanted and I wasn’t sure if I could handle a job quite that big. I wasn’t sure if I had the capability to cut out the entire floor and replace it without possibly twisting or contorting the car (it is a convertible). I decided to buy the left and right floor pan. This covered from the front all the way to the back. After receiving the floor pans, I spent a lot of time thinking and rethinking and strategizing about the best way to go about cutting out the old and welding in the new. Since the entire floor pan was not rusted out, I decided to cut out just the rusted part and cut out what I needed from the new replacement floor pans and weld that into place. I am very happy with this decision. By cutting out just the rusted pieces and replacing with new metal, I was able to avoid any twisting or contorting of the car and probably saved me a lot of time.
I was able to cut out the rusted areas in a couple of hours. I used pneumatic shears that worked very well. Before buying the shears, I tried several other methods such as a pneumatic saw, tin snips and aviation cutters. Trust me when I say that a cheap pair of pneumatic shears will be a lifesaver. I did use the aviation cutters for fine cutting and making small adjustment cuts.
Next I separated the front and back of my new floor pans by cutting them in half. I cut out the front part of the floor pan about 2 inches bigger than what I needed. I then placed this into the front for a test fit. When I had the replacement pan in place, I made it conform to the existing floor pan with a rubber mallet. I then used a can of white spray paint and sprayed around the perimeter of the new pan. By painting around the perimeter, I was able to see where the new pan fit after removing it from the car. I repeated this procedure for the other front side and then both rear areas. This took me about a day to complete.
The next part required welding, please be sure to observe all safety practices when welding to avoid any life altering injuries!
I was now ready to weld the replacement sheet metal into place. This is where my brother was a BIG help! He has a MIG welder. We inserted the new pans and while I held them in place, my brother spot welded each one. After each pan was tacked into place, we stepped back and studied their positions and made sure everything was exactly the way I wanted. My brother then completed the welding process until all four replacement pieces was securely welded into place. I don’t know a lot about welding, but I believe my brother had to spend additional time and take extra precautions since the sheet metal is rather thin. After the replacement floor pan pieces were securely in place, I proceeded to cover the seams with Bondo filler and then I painted the entire floor pan with a rust preventive primer. My brother and I were able to complete the welding on Saturday morning and I took the rest of the afternoon to finish the Bondo. I put several coats of paint on the floor pan over the next several days.
From the pictures on my website, you can tell that it might not be a perfectly smooth floor pan with no flaws, but I can assure you that it is a solid installation that will last many years, even longer if garaged, and will look even better once it is covered with a sound dampening material and new carpet. This worked well for my 1962 Chevy II Nova and I am sure it will work for you and your special project.
About the Author
My name is Robert K. Moore and I am an instructor at Piedmont Technical College. I teach electronics and Mechatronics Technology classes. My hobbies include working with a 1962 Chevy II convertible, hunting fossils, particularly sharks teeth and working with electronics. Visit my site for more articles about these topics. http://www.saturdayafternoonhobbies.com
a few welding questions?
1. What is a good rod to tack metal to a table with while welding? (we don't take the metal from the tack off the tables, so i don't want globs of metal all over my table... I haven't welded with anything but 7014, but 6010 looks small enough to tack something without leaving as much of a glob. I just heard tht 6010 penetrates metal really welld and was wondering if it might be harder to get off??)
2. Any tips on doing tee joints??
3. what does undercut mean? (a classmate keeps saying that my weld is undercut)
4. is MiG actually easier than stick? (I'd heard it was but I've never done wire welding...)
5. Any begginer tips? I don't pick up much 'cuz my welding teacher has to babysit everyone who screws off... which is most of the class
There isn't going to be any difference in the amount of metal left on your table from tacks. You might try tacking a tab on the part and clamping it to the table but having to clean the table occasionally is a part of the job.
Keep your welds in a horizontal position by repositioning the tee. Do approximately 1/3rd of each joint at a time to equalize and minimize the warpage.
Undercut describes the condition where the weld metal does not roll into the edge, it rolls under leaving the edge of the part visible.
MIG is easier to handle and the efficiency of not having to chip slag and stop and pick up a new rod lowers the time to weld and the cost.
In some cases, like outdoors or field welding, a MIG will not provide as good of weld as a stick since wind will reduce the flux effect of the cover gas where as a stick is unaffected.
As far as tips, the first rule is always work safely. Check and recheck tacked up assemblies are correct before you start to weld. Use common sense and build your experience in how to minimize warpage by working in different areas instead of one end to the other. Get an AWS inspection and testing requirements for certification. If you enjoy welding, have pride in your work.
KDSS tech department scores at Bluewater Skills Competition
Several students from the KDSS Technical Department competed in the Bluewater Regional Skills Competition The event was held at Georgian College in Owen Sound on March 26. Student Brandon Twolan competed in the Small Powered Equipment category.[...]
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