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| Home made soldering/desoldering station |
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| w9gb:
--- Quote from: Southerner ---How are you activating the vacuum pump when you need it? I have the DS1000 and WD2000 vacuum stations from Weller but no pistol so I am not sure what they would use to activate if I don't have the listed desoldering pistol. --- End quote --- First, you are dealing with Weller de-soldering stations (WD2000) — over 30 years old. When you call Weller North America in Apex, NC .... majority have only worked in 21st century. Many of the Weller NA staff, that I knew from 1970 when Cooper Tools bought Weller, (and moved production from Easton, PA to Apex, NC) have retired (or have passed) in past five years. Weller Desoldering handpieces did have a push button, just below the handpiece flare below the black heat insulator. I rarely see these surplus (eBay, etc.). Foot Pedals, like used in mfg. or sewing machines, were also used by Weller and Pace. == ADVISORY: Unless the Desoldering Head is wide enough ... it may not over RoHS Swagged Heaters (2003, later). Some users were hoarding older leaded part heaters (before 2003) for this reason. |
| Southerner:
--- Quote from: w9gb on September 21, 2018, 01:32:54 am ---Greg W9GB how wide is "wide enough"? I did buy a Aoyou 701+ but am having a lot of trouble with it. I have used it twice and now it sucks very little. I even replaced the chamber with a Hakko chamber so I think I will go back to trying to find a DS227 or similar Weller desoldering chamber but was not sure how big a tip to buy as I did not want one too big and doing smt work big tips are often a hindrance rather than a help. Thank you. Weller Desoldering handpieces did have a push button, just below the handpiece flare below the black heat insulator. I rarely see these surplus (eBay, etc.). Foot Pedals, like used in mfg. or sewing machines, were also used by Weller and Pace. == ADVISORY: Unless the Desoldering Head is wide enough ... it may not over RoHS Swagged Heaters (2003, later). Some users were hoarding older leaded part heaters (before 2003) for this reason. --- End quote --- |
| Southerner:
--- Quote from: w9gb on September 21, 2018, 01:32:54 am --- --- Quote from: Southerner ---How are you activating the vacuum pump when you need it? I have the DS1000 and WD2000 vacuum stations from Weller but no pistol so I am not sure what they would use to activate if I don't have the listed desoldering pistol. --- End quote --- First, you are dealing with Weller de-soldering stations (WD2000) — over 30 years old. When you call Weller North America in Apex, NC .... majority have only worked in 21st century. Many of the Weller NA staff, that I knew from 1970 when Cooper Tools bought Weller, (and moved production from Easton, PA to Apex, NC) have retired (or have passed) in past five years. Weller Desoldering handpieces did have a push button, just below the handpiece flare below the black heat insulator. I rarely see these surplus (eBay, etc.). Foot Pedals, like used in mfg. or sewing machines, were also used by Weller and Pace. == ADVISORY: Unless the Desoldering Head is wide enough ... it may not over RoHS Swagged Heaters (2003, later). Some users were hoarding older leaded part heaters (before 2003) for this reason. --- End quote --- Greg, where would you suggest that I find the manuals for these older devices? I had no luck with Weller or Google. Which model guns did these use? Is a vacuum source needed or is it a compressor that is needed? |
| w9gb:
I have picked up and scanned all the old Weller Tech Sheets and manuals, when I find them (due to repairs over past 3 decades). Old distributors were a good source, AND some university engineering departments. I did not like Weller’s de-soldering station designs, I use Pace Sensatemp models. I have never seen much public documentation for those models. SUGGEST you START with the Weller Catalogs (I scanned them, posted on BAMA Mirror). Weller documentation http://bama.edebris.com/manuals/weller/ Weller Catalog 603, June 1981 (23 pages) http://bama.edebris.com/download/weller/catalogs/weller-catalog-603.pdf 1999 Weller/Ungar Parts Catalog (108 pages) http://bama.edebris.com/download/weller/parts/Weller_Ungar_Parts_Catalog.pdf I Reverse Engineered some soldering station models, with no documentation. Weller switched to white ceramic PC boards for their Electronic Control (EC-series) to discourage Taiwanese and Eastern Asian copying in 1980s and 1990s. Electronic control boards contain a Triac, Zero Crossing Detector, and frequently a Comparator (OpAmp or LM393) to control Type K thermocouple (PTC) inside the soldering/de-soldering handpiece. http://www.ti.com/lit/ds/symlink/lm2903-n.pdf Here is an adaptation of Weller’s WECP-20 used in Europe http://ibis.telesat.si/weller/weller_eng.htm Schematic diagram http://ibis.telesat.si/weller/shema_v.gif De-Soldering stations use the Soldering Iron Control boards PLUS an inexpensive Vacuum pump and catch vial. GAST Manufacturing in Benton Harbor, MI one of best known vacuum pump mfg. in the world. https://gastmfg.com/ |
| austfox:
I've stock-piled a few Weller DS600 stations, which were marketed as portable de-soldering stations back in the day (most likely in the 80's). I find them more than sufficient sitting on my hobby electronics bench with the limited de-soldering that I do. These come up occasionally on eBay in Australia for under the AU $100 mark. The few that I have all suffer from failed pump control boards, and have previously been modified in someway to switch the pump. Most likely the triacs have all suffered an early death due to the lack of zero cross detection. I am currently updating the circuit and producing a new PCB. I have attached the DS600 Tech Sheet, which includes the schematic and details of the de-soldering head. The head looks the same as other Weller models of the era, but may be slightly different due to the different part number. |
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