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How do you join sheet lead?
lead burning or lap joint soldering
What is cold flow?
It is a term used when soldering with a soldering iron. It means that the solder is not completely up to temperature to make a proper joint. A good solder joint is very silvery in colour and shines when it is done right.
What should you do if you see or suspect a cracked in a flared joint?
you should to repair it by : - soldering .....() - Brazing ........ () - or cut flare joint and start new flare joint .
What should you do if you see or suspect a crack in a flare joint?
you should to repair it by : - soldering .....() - Brazing ........ () - or cut flare joint and start new flare joint .
How do you properly clean the joints to be soldered?
There are several ways of soldering electrical joints. Automated methods use wave soldering in which a circuit board is passed over a bath of solder. Re-flow soldering uses solder paste that is applied to the circuit board and then heated in an oven until it melts and flows across the joint. Manual soldering is largely still carried out with hand held soldering irons. The standard technique is to apply the tip of the iron to the joint and then feed solder onto the joint as the iron heats it. This method allows the solder flux to flow around the joint before it is affected by the heat. Applying the solder to the iron before touching the joint will often result in a dry joint because the flux will burn away and evaporate before it reaches the joint. Most electronic components have limits for the amount of time the soldering iron can be in contact with each pin. Generally it is in the order of 5 or 6 seconds. With the introduction of lead free solder, temperatures need to be higher to get a good joint and therefore the contact time with each component is reduced. With a shorter contact time, it is even more important to heat the joint and apply solder in an efficient manner. Production and commercial soldering skills take years to develop with apprenticeships lasting up to three years. To describe soldering techniques in just two or three paragraphs is to merely scratch the surface. Although there are many written instructions for soldering joints, there is no substitute for practice and learning from skilled wiremen.
Does soldering mean replacing?
No, soldering is a method of joining two pieces of metal by melting a different metal with a lower melting temperature into the joint. Soldering and braising are similar methods but use different metals with a lower melting temperature. Braising metals melt at higher temperatures than soldering metals. Soldering and welding are different methods. Welding actually involves melting the two pieces of metal being joined into each other. Welding may or may not also involve melting a "filler metal" into the joint.
What are the different kinds of wiring splices?
The five most known are the rattail joint, the western union, the fixture joint, the knotted tap and the staggered splice. Then there are crimping, wire-nutting, soldering, sty-cons.
Why are good soldering joints important?
if the joint are solderd the correct way then your project wont work as good as u want it to
What are the four steps for correctly soldering components to a printed circuit board?
1. Remove the soldering iron from the holder and wipe the tip on a sponge. 2. Heat the joint to be soldered. 3. Apply solder to the joint. 4. Apply a small bit of solder to the tip of the soldering iron and return it to the holder.
Why are components tinned before soldering?
The tinning allows the solder to wet the joint faster, which results in more rapid heating of the joint and faster solder flow into the hot joint. Rapid completion of making the joint allows quicker removal of the soldering iron (or other heat source) and less excess heat flow through the leads to the component. Factory pretinned component leads also prevents corrosion prior to use, which both protects parts in storage and makes soldering faster and cleaner by not having to use lots of flux to remove corrosion.
What are the different kinds of splice?
The five most known are the rattail joint, the western union, the fixture joint, the knotted tap and the staggered splice. Then there are crimping, wire-nutting, soldering, sty-cons.
What are the different splice of wires?
The five most known are the rattail joint, the western union, the fixture joint, the knotted tap and the staggered splice. Then there are crimping, wire-nutting, soldering, sty-cons.
