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How to solve dry solder problem






An ongoing discussion from 2003 through 2015 . . .

(2003)

Q. Our company faced with dry solder problem.
It was major defect in our company. I need some tips from you all regarding this problem.

PERU D N
- IPOH, PERAK, MALAYSIA


Modern Solder Technology




Solder Joint Technology

(2003)

A. That's pretty vague and broad, Mr. Peru, and is probably best answered by a whole chapter or more in a book about soldering. But if you can provide specifics, I think it is likely that a reader can help you with the specific problem you are encountering. Thanks.

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey


(2005)

Q. Sir,
We are facing problem in dry soldering of Rf cables network.
Due to which, at high temperature, test connection comes out not meeting testing parameters.
Please advise how to check/identify dry soldering.
Thanking you.

Sadhana Kulkarni
electronics industries - Mumbai, Maharashtra, India



December 21, 2010

Q. We are facing dry solder problem in manually done soldering by iron rod. Sometimes it shows open or resistance in mega ohms. Please suggest solution for this problem<.br />
Regards,

Vinod Walia
employee - india


December 21, 2010

A. Hi, Vinod. I'm no soldering expert, but perhaps the most basic principle is that the components must not move during the critical second or so while the solder is cooling. Are you sure that the parts are firmly held in place rather than relying on the operator to hold them still?

If you're completely certain on that issue, there are large books written about soldering problems, so I won't pretend that your problem is necessarily solved easily.

Regards,

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey


February 15, 2011

Q. We are the manufacturer of RR And CDI For the Motor cycle and facing huge problem related to dry soldering near axle and redial comp. and process is undergoing in wave soldering, still problem remains. Please give at least why analysis with root cause.

Shivraj Agrahar
- Aurangabad, India


September 6, 2011

Q. Our company faced with dry solder problem.
It was major defect in our company. I need some tips from you all regarding this problem.

Uma Sharma
automotive - INDIA



Can atmospheric problems cause dry solder?

July 23, 2013

Q. Q. We are doing manual soldering of PVC insulated copper wires (0.20 mm CSA) on copper parts by preheating the copper base and using soldering iron with solder wire dia of 0.8 mm having Sn (60) / Pb (40) with flux content of 2.2%
We are recently facing a lot of dry solder issues in spite of strong process control and 100% manual pull test of wires after soldering. Is there any atmospheric effect on solder joint after soldering which can cause this issue?

H H Kore
- Mumbai, Maharashtra, India



Wave soldering causes dry solder problem

October 16, 2015

Q. My company is a buzzer manufacturing unit. We are facing dry solder problems. When we check, pieces are okay at that time ... but when we pass at wave soldering stage, after wave soldering the buzzer has no sound or a low sound. Please advise us; it is a very serious issue in company. Please help me to resolve the problem.

SHASHANK SINGH
- gurgaon,harayana,india

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