PS - it also has applications for desoldering and repair. -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Jeff Brown Sent: Thursday, 20 April 2006 11:39 AM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Fair enough. I have used the Asscon Quicky for prototyping work - it is a small no frills VP oven with a relatively low price tag. There is some fluid loss, but not a significant amount. http://www.asscon.de/e/pages/products/quicky300.html I made a few mods to it that improved the performance somewhat - if anyone needs details they can contact me directly. Regards, Jeff -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Dehoyos, Ramon Sent: Wednesday, 19 April 2006 11:10 PM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Hi Jeff: My understanding of the unwritten rule is that a salesman should not promote their own equipment, but if you know of a good product or equipment it would benefit the whole forum if you share that info. Regards, Ramon -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Jeff Brown Sent: Tuesday, April 18, 2006 8:47 PM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Hi all, I have had good results with another brand of VP oven - but I'm not supposed to name names here am I...? The reason that you won't find fluids much higher than 260 degrees is that the fluoro polymer breaks down at 300 degrees to produce hydrofluoric acid, which is really nasty stuff. Below this temperature it is claimed to be quite safe. Very good reason for operators to avoid getting the fluid on their hands and then smoking - they end up breathing the HF straight in! Not nice. Regards, Jeff Brown -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Jason Gregory Sent: Wednesday, 12 April 2006 4:46 AM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Honestly, I've never had to clean the preheat section. However, the vapor chamber is where I've spent most of my time. You'll get flux residue on the walls, and a nice green "algae-ish" stuff on the cooling coils. And you're right, it is NOT fun to clean. I wouldn't try the Easy-Off either, it just makes more of a mess than anything. I definitely clean more often then 200 hours. I would imagine the 230 fluid you have is for 63/37 soldering. BTW, I tried looking fluid that went higher than 260 (for HMP paste). I couldn't find any. Jason Gregory Manufacturing Engineer Innova Electronics (281)653-5593 (281)653-5594 fax (281)594-0602 cell [log in to unmask] -----Original Message----- From: Steve Gregory [mailto:[log in to unmask]] Sent: Tuesday, April 11, 2006 1:19 PM To: TechNet E-Mail Forum; Jason Gregory Subject: RE: [TN] RD Technologies Vapor Phase Users Hi Jason! We have some of the same fluid as you, although we have some LS-230 too (not quite sure why that fluid is there...need to ask some questions about that. I read the manual and it said the vapor chamber should be cleaned every 200 hours of operation, is that what you've found too? Or should it be cleaned more (or less) often? Also, is the vapor chamber what gets most dirty? Or does the area around the preheat panels get dirty too? Looking at the machine, I can see that it is going to be a pain to clean everything down inside the vapor chamber as they state in the manual. Kind regards, -Steve Gregory- Senior Production Engineer OAI Electronics 6960 East 12th Street Tulsa, Oklahoma 74112 (918) 836-0507 (918) 706-2779 CELL (918) 836-0184 FAX -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Jason Gregory Sent: Tuesday, April 11, 2006 12:38 PM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Hi Ramon, Pros: -Ability to process problematic high temp boards (thicker than .063", high layer counts, etc.) and not have to jack with as many variables as in convection or IR -Excellent thermal equilibrium across the assembly and not having to worry about shadowing or thermal thieving -Probing your board to determine preheat and then knowing your peak area's temp already and looking through a little window to observe reflow and giving an extra 15 or 20 seconds over for wetting Cons: -Fluid is expensive and if you have excess dragout, you will notice financially. Fluid is about $1000/gallon -Higher than usual expectations for tombstoning if your board design is a little lopsided (heavy ground planes connected to one side of passives) or if your process is a little off. -Machine is a booger to clean Jason Gregory Manufacturing Engineer Innova Electronics (281)653-5593 (281)653-5594 fax (281)594-0602 cell [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Dehoyos, Ramon Sent: Tuesday, April 11, 2006 11:36 AM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Hi Jason: I believe that Vapor phase has a lot of good merits. Could you share your experience with the machine? Pros and Cons. Regards, Ramon -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Jason Gregory Sent: Tuesday, April 11, 2006 12:13 PM To: [log in to unmask] Subject: Re: [TN] RD Technologies Vapor Phase Users Hello Steve, We have a RD here and we use Galden HS-260 Jason Gregory Manufacturing Engineer Innova Electronics (281)653-5593 (281)653-5594 fax (281)594-0602 cell [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory Sent: Tuesday, April 11, 2006 10:33 AM To: [log in to unmask] Subject: [TN] RD Technologies Vapor Phase Users Mornin' All! I've just got the opportunity to work with a new vapor phase reflow system here at my new position. It's a RD Technologies RD3 with a vapor recovery system. We're in the process of hooking it up, we haven't yet started it up. I worked with a vapor phase many years ago (1988), and this system is much nicer than what I remember about the system I worked with in the past. I was wondering if there are any RD Technologies users out there that have any "words of wisdom" that they might share with me about the system I'm that going to be working with. BTW, we're going to using Galden heat transfer fluids. Kind regards, -Steve Gregory- Senior Production Engineer OAI Electronics 6960 East 12th Street Tulsa, Oklahoma 74112 (918) 836-0507 (918) 706-2779 CELL (918) 836-0184 FAX --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ----------------------------------------------------- --------------------------------------------------- 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