Soldering hints - Page 8

Eclipse · 03 September 2009, 02:33

Crude example:

protek · 29 October 2009, 11:57

I bought this one last spring:
http://www.spelektroniikka.fi/product_details.php?p=200

Sorry, the page is in Finnish.

jbenam · 31 October 2009, 14:21

I bought this one just some weeks ago:
http://www.marcuccishop.it/scheda.asp?codice=33400095 (sorry, page is in Italian)

Soldering iron and Hot Air gun for SMD Rework

Works wonderfully! Still have to work on a Miggy with it, though

Jope · 31 October 2009, 15:52

I have the same iron. The case is bit too big for my tastes, but the iron heats up and the hot air blower works, so that's fine.

My old Weller WTCPS still rules though. ;-)

8bitbubsy · 26 November 2009, 20:28

I've got a new girlfriend

Her name is "Desoldering Pump"

Isn't she pretty?

Life is SO much easier now.

alexh · 26 November 2009, 20:40

Solder braid is sooooo much more easy to use than a solder pump for small amounts of solder.

xc8 · 26 November 2009, 21:00

Quote:

Originally Posted by alexh

Solder braid is sooooo much more easy to use than a solder pump for small amounts of solder.

yeap!

helps too to 'solder' SMD ICs ;-}

8bitbubsy · 26 November 2009, 21:05

Quote:

Originally Posted by alexh

Solder braid is sooooo much more easy to use than a solder pump for small amounts of solder.

Well, yes... But if the solder joints are big, then it's like heaven...

I used like 5-10 minutes to desolder a 36 pin IC chip, and to solder on an IC socket instead.

Jope · 26 November 2009, 23:20

Through hole components are a pain to get loose with only braid as your tool.

It's easy to overheat the pcb with it if you are not experienced.

8bitbubsy · 27 November 2009, 14:31

How can I remove solder in through-holes? Take the Amiga 500 mobo as an example, the newer ones where you can solder on 512kB more RAM. Well, on mine all the RAM pin holes are filled with solder. Pain, yes indeed!

I have a solder braid and a desoldering pump, still I find it hard to get it out.. First off, when I use the pump the soldering iron is in the way, blocking the soldering hole.
When I try with the solder braid, all that happens is that I destroy the hole itself... Makes the pad broken!
Any ideas? Is it supposed to be easy, thus I'm doing it wrong?

EDIT: I got an idea! What about using the soldering iron from under the mobo, then use the pump from above the mobo?

Sounds like a bad way of doing it, but I have to try one day.

xc8 · 27 November 2009, 15:09

Quote:

Originally Posted by 8bitbubsy

...
EDIT: I got an idea! What about using the soldering iron from under the mobo, then use the pump from above the mobo?

Sounds like a bad way of doing it, but I have to try one day.

I do this, I secure the PCB on a vertical position, then with one hand i put the pump over the hole and with the other hand I heat the other side of the hole..
the best solution is a 'desoldering iron' (i know they are a bit expensive..)

chris

Jope · 27 November 2009, 15:55

I have a thin enough tip to go in the via. I just stick the iron in for a few moments, then take it out and immediately put the sucker on top of the via and press the button.

Takes a few attempts, but this works for me.

I've done the heat from one side, pump on the other side thing plenty of times too. If the via is on a ground plane, it may be impossible to keep the solder flowing long enough to pump it out otherwise.

I wish I had a proper desoldering iron, but there's only so much room in my cupboard and so much money on my account.

orange · 23 December 2009, 20:22

I need to de-solder a lot of RAM chips, so I'm considering buying a 'hot air soldering iron'.
any recommendations? (would like to spend less than 200eur if possible)

Jope · 23 December 2009, 20:24

Get one of those chinese ones.

Zetr0 · 23 December 2009, 20:31

@orange

I cannot find any tyhat directly state they wil ship to Serbia, however I am sure if you message them they might try and help you.

heres the product I would recommend

It costs about 50 Euros, but you will probably be looking at 50-70 euros in postage.

good luck =D

xc8 · 24 December 2009, 12:22

Quote:

Originally Posted by Zetr0

@orange

I cannot find any tyhat directly state they wil ship to Serbia, however I am sure if you message them they might try and help you.

heres the product I would recommend

It costs about 50 Euros, but you will probably be looking at 50-70 euros in postage.

good luck =D

nice price.. but the problem is the dammit customs.. == tax
and this thing is not a small package , I mean it will be noticed at the customs..

chris

orange · 24 December 2009, 17:54

um, I'd rather avoid ebay.
found this on local auction site, what do you think?

blower and solderiron/SMD rework soldering station Gordak 952A
blower power 270W
air flow 0.3-24L/s (adjustable)
compressor power 45W
blower heater 250W
air temp 150~500C

soldering iron:
power 60W
output 24V/AC
working temp 200~480C
Dimensions 187x135x245mm
weight 4Kg

its 100eur

Chain · 24 December 2009, 19:06

http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=280442556950
ive got this one used, but for 60€ with shipping.
works great for thru-hole components (like 040

)

orange · 24 December 2009, 19:26

btw, how do you remove solder with hot air? using the standard solder wick/pump?
i was hoping that blower would suck too

Jope · 24 December 2009, 20:26

You don't. It just melts the solder and you remove the component. Clean up happens with other means. Braid, pump, whatever.

27 November 2009, 14:31	#150
8bitbubsy Registered User Join Date: Sep 2009 Location: Norway Posts: 1,715	How can I remove solder in through-holes? Take the Amiga 500 mobo as an example, the newer ones where you can solder on 512kB more RAM. Well, on mine all the RAM pin holes are filled with solder. Pain, yes indeed! I have a solder braid and a desoldering pump, still I find it hard to get it out.. First off, when I use the pump the soldering iron is in the way, blocking the soldering hole. When I try with the solder braid, all that happens is that I destroy the hole itself... Makes the pad broken! Any ideas? Is it supposed to be easy, thus I'm doing it wrong? EDIT: I got an idea! What about using the soldering iron from under the mobo, then use the pump from above the mobo? Sounds like a bad way of doing it, but I have to try one day. Last edited by 8bitbubsy; 27 November 2009 at 14:41.

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03 September 2009, 02:33	#141
Eclipse Turpentine Join Date: Oct 2007 Location: Kent, United Kingdom Posts: 744	Crude example:

29 October 2009, 11:57	#142
protek Amiga hobbyist Join Date: Aug 2008 Location: Oulu, Finland Posts: 250	I bought this one last spring: http://www.spelektroniikka.fi/product_details.php?p=200 Sorry, the page is in Finnish.

31 October 2009, 14:21	#143
jbenam Italian Amiga Zealot Join Date: Jan 2009 Location: Italy Age: 36 Posts: 1,913	I bought this one just some weeks ago: http://www.marcuccishop.it/scheda.asp?codice=33400095 (sorry, page is in Italian) Soldering iron and Hot Air gun for SMD Rework Works wonderfully! Still have to work on a Miggy with it, though

31 October 2009, 15:52	#144
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,916	I have the same iron. The case is bit too big for my tastes, but the iron heats up and the hot air blower works, so that's fine. My old Weller WTCPS still rules though. ;-)

26 November 2009, 20:28	#145
8bitbubsy Registered User Join Date: Sep 2009 Location: Norway Posts: 1,715	I've got a new girlfriend Her name is "Desoldering Pump" Isn't she pretty? Life is SO much easier now.

26 November 2009, 20:40	#146
alexh Thalion Webshrine Join Date: Jan 2004 Location: Oxford Posts: 14,465	Solder braid is sooooo much more easy to use than a solder pump for small amounts of solder.

26 November 2009, 23:20	#149
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,916	Through hole components are a pain to get loose with only braid as your tool. It's easy to overheat the pcb with it if you are not experienced.

27 November 2009, 15:55	#152
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,916	I have a thin enough tip to go in the via. I just stick the iron in for a few moments, then take it out and immediately put the sucker on top of the via and press the button. Takes a few attempts, but this works for me. I've done the heat from one side, pump on the other side thing plenty of times too. If the via is on a ground plane, it may be impossible to keep the solder flowing long enough to pump it out otherwise. I wish I had a proper desoldering iron, but there's only so much room in my cupboard and so much money on my account.

23 December 2009, 20:22	#153
orange Registered User Join Date: Apr 2007 Location: Belgrade Posts: 567	I need to de-solder a lot of RAM chips, so I'm considering buying a 'hot air soldering iron'. any recommendations? (would like to spend less than 200eur if possible)

23 December 2009, 20:24	#154
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,916	Get one of those chinese ones.

23 December 2009, 20:31	#155
Zetr0 Ya' like it Retr0? Join Date: Jul 2005 Location: United Kingdom Age: 49 Posts: 9,768	@orange I cannot find any tyhat directly state they wil ship to Serbia, however I am sure if you message them they might try and help you. heres the product I would recommend It costs about 50 Euros, but you will probably be looking at 50-70 euros in postage. good luck =D

24 December 2009, 17:54	#157
orange Registered User Join Date: Apr 2007 Location: Belgrade Posts: 567	um, I'd rather avoid ebay. found this on local auction site, what do you think? blower and solderiron/SMD rework soldering station Gordak 952A blower power 270W air flow 0.3-24L/s (adjustable) compressor power 45W blower heater 250W air temp 150~500C soldering iron: power 60W output 24V/AC working temp 200~480C Dimensions 187x135x245mm weight 4Kg its 100eur

24 December 2009, 19:06	#158
Chain A-Collector, repairments Join Date: Jul 2001 Location: Czech Rep. Age: 50 Posts: 1,536	http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=280442556950 ive got this one used, but for 60€ with shipping. works great for thru-hole components (like 040 )

24 December 2009, 19:26	#159
orange Registered User Join Date: Apr 2007 Location: Belgrade Posts: 567	btw, how do you remove solder with hot air? using the standard solder wick/pump? i was hoping that blower would suck too

24 December 2009, 20:26	#160
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,916	You don't. It just melts the solder and you remove the component. Clean up happens with other means. Braid, pump, whatever.

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