Contents
Can soldering cause a fire?
Heat The intense heat of the soldering iron tip can cause burns. Fire The heat generated by the soldering iron is enough to start a fire. Soldering should never occur in the immediate vicinity of flammable gases or liquids.
What are the hazards of soldering?
Flux generates the visible fumes seen during soldering. Exposure to rosin can cause eye, throat and lung irritation, nose bleeds and headaches. Repeated exposure can cause respiratory and skin sensitisation, causing and aggravating asthma. Rosin is a serious occupational health hazard.
What causes a cold solder joint to form?
A cold solder joint happens when the solder wire is insufficiently heated during soldering, forming an improper joint as a result. A cold solder joint can also arise when either the board or the soldered wire is disturbed before the molten solder solidifies.
What are the most common problems with solder?
Common Soldering Problems 1 Disturbed Joint. 2 Cold Joint. 3 Overheated Joint. 4 Insufficient Wetting (Pad) 5 Insufficient Wetting (Pin) 6 Insufficient Wetting. 7 (Surface Mount) 8 Solder Starved. 9 Too Much Solder. 10 Untrimmed Leads.
Why is my solder gun cold at the tip?
For engineers using soldering stations, the only possible reason you could encounter cold solder joint problems is dirt that collects on the solder gun’s tip. This problem could also lead to overheating of solder joints. Therefore, the first step to solving cold solder joints is to appropriately clean the tip of the soldering iron.
Can a soldering iron be used to draw off excess solder?
The excess solder can usually be drawn-off with the tip of the iron. Prevention: A properly pre-heated soldering iron with sufficient power will help prevent cold joints. At the other extreme, we have the overheated joint. The solder has not yet flowed well and the residue of burnt flux will make fixing this joint difficult.