Question about Astro Pneumatic 3 Pk. MIG Welder Torch Tip - .023" - 4023, by - Astro Pneum

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Welding Dangerous Is Welding Dangerous?

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Compared to other industrial jobs, welding is fairly dangerous. The occupational and health hazards of welding can be avoided with proper equipment, safe materials, and a few common sense measures. Risks associated with welding include asphyxiation due to dangerous inhalants, skin and eye damage due to ultraviolet light, electrical or chemical fires, and long-term negative effects from fumes. Most people think that sparks and arcs are the most dangerous aspects of welding because they call attention to themselves, but they are only one risk. The brightness of the sparks, with their strong UV light, can cause cancer in unprotected eyes and skin. Yet there is a wide range of equipment, such as auto-darkening helmets and thick gloves, to reduce your exposure. Also, sparks are not usually hot, yet general precautions should be taken to keep wood or other combustible material out of the range of the welder's arc. Setting heated metal on a flammable surface is more likely to start a fire. The leading cause of health problems in welders relates to carcinogenic or toxic chemicals. These chemicals might be in a sealant or coating over the metal surfaces to be welded. Extreme heat releases molecules into the air, where they are easily inhaled. Certain substances might also be embedded in the material itself, like lead, cadmium, manganese, chromium, or nickel in metals like stainless steel, copper, or zinc. These metals should only be welded with extreme caution. Make sure you know exactly what they contain and weld in an area with a lot of air circulation. Symptoms from inhalation can range from a temporary flu-like sickness to major damage to lungs, liver, and other organs. For instance, manganism from manganese exposure is related to Parkinson's Disease. Even when you are careful with regard to sealants and varieties of metals, the process of welding always produces other dangerous gases. For instance, a variation of oxygen called ozone is created with every welding arc. Ozone exists naturally in the atmosphere, but large concentrations of ozone displace oxygen. If you weld in an enclosed space, ordinarily safe gases can become too concentrated and cause edema, filling your lungs with water. Ozone, nitrogen oxide, and carbon dioxide build up, making you pass out, hit your head, or suffer brain damage.

Posted on Aug 27, 2008

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No, it's perfectly safe.

Just be sure it's fully cooked.

Posted on May 05, 2009

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Well said, covers all aspects of welding,

Posted on Jan 24, 2009

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First of all , we all know that welding processes are dangerous that's why all personnel at site should have their personal protective equipments, But there are some time welding can't be held on site due to the presence of flammable gases or materials and if that welding is necessary so we have to shut-down a lot of processes.
Anyways now there is a new technology which is isolated chambers with positive pressure inside which totally isolate the parts being weld and it can be used anywhere, this product is called HABITAT and anyone can get More information from
www.hot-hed.com

Posted on Nov 20, 2008

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1 Answer

What can happen when welding on frame of chrysler truck 1500 with 5.9 engine.


Many electronics have power running to them all the time and are ground controlled, sounds like you blew an electronic component in one of the modules, ECM, BCM, etc... should also disconnect the negative cable while welding to prevent arc'ing back through the electronics.

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What are 4 common welding processes?


There are four common welding processes utilized through out the work industry today. They are :
(Stick Welding or SMAW) Shield Metal Arc Welding
(Mig Welding or GMAW) Gas Metal Arc Welding
(Tig Welding or TMAW) Tungsten Metal Arc Welding
(FCAW) Flux Cored Arc Welding

There are many many welding processes, however these are the most common. The type I am going to discuss briefly today is SMAW. The most economical and cheapest way to learn if welding is for you or not is to start with stick welding. It has the least amount of variables that can go wrong for a beginner. It is not fast paced like mig or flux core, so you have time to watch the molten puddle to see what it is doing and make necessary adjustments to correct the size, shape, and contour of your weld bead. The hardest part for a beginner is to keep the electrode from sticking to the work piece. Thus is the reason it got the name of "stick welding". There are three common ways to strike an arc in SMAW. Tap Start, Scratch Start, and the last is to place the electrode upon your fingers like a pool cue, and shoot the rod like your playing pool.

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1 Answer

Converting carb tank into fuel injected


I'm not saying it can't be done, but unless you have the equipment and skills, it's a lot of work that may not be as cost efficent as just buying a tank already set up.

Some welding would be involved.
If you don't know what you're doing, welding on a gas tank that has had fuel in it could be dangerous.

Here's a picture of a gas tank set up for fuel injection:

http://www.jpcycles.com/product/720-896#

Notice the large hole on top, for the fuel pump (mounted on a plate) to fit down into.

Also, you'd no longer have a petcock, but the bung (threaded hole) that one screws into could be adapted to the correct size with screw-in adapters.

You'd better pressure test the tank after modification, prior to paint.

Like I said, it can be done, but there's work involved.
If you need to farm out the work, it'll cost you.

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1 Answer

After heater is on for awhile it seems to cause smoke in the room and the bottom of the heater has turned tan.


This is quite common, the oil has seeped out of a cracked seam, this then gets heated up by the heater and smokes, a bit. although probably not too dangerous, i advise you cease using it. There is no real cheap way to repair these leaks, apart from welding the seam again.

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1 Answer

The hinge on my Nissan Altima trunk is broken is it easy to repair?


It is hard to repair. I assume that the base of hinge became unattached from either the chassis (hat shelf), or the trunk lid.In either case, welding is required. Furthermore, if your car is equipped with torque bars to keep lid open, instead of hydraulic bars, those are hard and dangerous to install.

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I need parts for a miller bantum welder-generater


Go to millerwelds.com - click on service,and you should be able to locate a manual ,or find a service rep. !

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2 Answers

The frame is rusted out. there are holes all theough it and i dont have much money.


The frame, or just the body? A rusted frame is dangerous specially if it has holes. Welding on them is not recommended cuz it will make the metal hard and brittle. You can't do anything with a rusted frame with holes on it.

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How long can I go without fixing problems with Struts?


The longer you go the more damage you cause to other suspension parts like strut mounts and tires and springs etc. Also the handling of the car will be compromised and can actually be dangerous in a tight situation to maneuver. Get it fixed ASAP. good luck and Thanks for using FIX YA

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1 Answer

Hole in freezer of haier refrigerator


The refrigerant used since ~ 10 years is no more dangerous than the one previously used and it is even doubtful that the newer stuff is any better for the ozone layer.
The original coolant could be inhaled without injury as long as one didnt suffocate from a lack of oxygen.

The repair may not be cheap since it will entail the removal and replacement of the damaged coil.
This will require some specialized welding to install.

Using a normal table-top or floor-standing fan to circulate ambient air through the refrigerator with the door(s) open is a safe and fast method for defrosting units that do not automatically defrost.
Just make sure you have some absorbant material in the bottom to avoid water running out of the unit.

Poking the coils with sharp objects can result in the problem you now have or fracture hidden joints that will allow the gas to escape.

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How to instal a magnaflow universal muffler on 2001 aztec


cut old one off size up muffler to pipes you can either weld up (dangerous) or use a clamp kit with an expansion coupler
clamp kits do not require welding just an expansion coupler

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