How to create a profile for ACHI IR PRO SR (my first time with BGA machine)

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • moscast
    Member
    • Oct 2023
    • 37
    • ITALY
    #1

    How to create a profile for ACHI IR PRO SR (my first time with BGA machine)

    Hi everyone, I recently purchased a BGA machine (ACHI IR PRO SR, 2400W IR Bottom and 450w IR Upper) but I don't know how to create the processing profiles. I need to desolder a faulty GPU on a laptop.

    As software I was thinking of using this:

    https://www.badcaps.net/forum/troubl...hi-ly-by-psoft


    Can anyone tell me the most suitable or common heating curves for soldering and desoldering?
    Thank you​
    Tags: None
    • m4a2t0t
      Badcaps Veteran
      • Mar 2013
      • 276
      • USA
      #2
      Everyone has to build their own reflow profile based on their geographic location. My desert dwelling profile might now work well for someone in a high humidity location.

      I can give you a couple of my lead free profiles. The very first thing you need to do is bake the board to remove any moisture in it. 100C for 24-48 hours is recommended. If you have moisture in the chip or board is will cause delamination. The higher your normal humidity the longer you want to bake the board for.

      Pb Free without IHS (200-210 bottom heater)
      R1 1.0 L1 90 D1 80
      R2 1.0 L2 150 D2 55
      R3 1.0 L3 205 D3 40
      R4 1.0 L4 229 D4 90
      R5 END
      Hb 60

      This is a new one I made for Pb Free WITH an IHS (210-220 bottom heater). This profile allows the bottom heater to heat over 150C before the top heater kicks in.
      R1 STEP L1 0 D1 90
      L2 90 D2 40
      L3 150 D3 30
      L4 190 D4 30
      L5 220 D545
      L6 230 D6 60
      L7 END
      Hb 60

      Be careful about using too much bottom heat. Ive seen people claim to use 280C for the bottom which is way too hot IMO but it could just be their machine works and measures differently. I measure the board with direct contact thermocouples on both sides.

      Get a dead board or one that you dont mind killing. Run the base profile and monitor when your machine hits what temps and how long it held there until the next level started. Customize your profile based off that. Ramp up heat>hold for heat soak>ramp up to next temp>hold for soak>when its done cool off at 2-3C per second.. Search google for reflow profiles and youll find some engineering sites that will show you what stages should look like.

        Comment

        • moscast
          Member
          • Oct 2023
          • 37
          • ITALY
          #3
          Thank you very much

            Comment

            Previous template Next

            Related Topics

            Collapse
            • Geomih
              CPU socket replacement soldering profile
              by Geomih
              Hi All - I am hoping someone can help with some pointers (complete noob here!)

              I have recently purchased a Scotle HR460 BGA reball machine (it's a bit old and I think the company no longer exists either), but as far as I can tell it is a competent and unmolested machine that should be good enough for my needs.
              My biggest problem is that it came with no profiles, and I must re-create all of them from scratch, something that is very scary for someone that doesn't really know what they are doing.
              The simple stuff like a small memory module isn't a big deal because there are              ...
              12-11-2023, 11:07 AM
            • Document Archive
              ALIENWARE Steam Machine R2 i7-6700T Specification for Upgrade or Repair
              by Document Archive
              This specification for the ALIENWARE Steam Machine R2 can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Steam Machine R2 boardview and Steam Machine R2 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
              09-12-2024, 03:28 PM
            • CG2
              Janome DC3050 Sewing Machine Pedal Resistance
              by CG2
              OK, this is a long shot. I got this sewing machine cheap because it's end of line, ex-display, and had no pedal. The genuine pedal costs £60, while Ebay knock-offs go for around £15. So I went for the knock-off, it doesn't work, and I'm not sure whether it's the pedal or the sewing machine that has the problem.

              Now this is an electronic machine, unlike the old fashioned sort where the pedal was a big resistor in series with the power to the motor. Here, the pedal is just (I think) a variable resistor fed with a 5 volt supply, and limited to a current of 5 milliamps. Assuming that...
              04-14-2023, 07:53 AM
            • titomno2
              Gaming Laptop Zephyrus S17 TFT not detected every time !
              by titomno2
              Hi guys,
              I post my problem here because I think it could be a capacitor related issue (Asus support on this particular subject is non-existing).
              So the computer is a Zephyrus-S17-GX735LXS-26T and the strange behavior is seen.
              On cold start most of the time the internal screen is detected and a picture it works fine until shutdown, sleep or deep sleep.
              Then the screen won't work for a long period of time.
              If I wait 1 or 2 hours it work again most of the time.
              When it doesn't work the batterie indicator blink 3 times white stop and the same schematic is repeated...
              01-19-2025, 08:27 AM
            • sam_sam_sam
              ESR meter came to the rescue again today with a PLC I/O card fault
              by sam_sam_sam
              I have been having a fun time at work with two pieces of equipment that had shorted components or shorted component cables to machine frame
              I would check what my multi meter was telling me about how many ohms I getting with the multi meter was telling versus the ESR was telling me about weather or not it really was a short to machine ground or not

              One note at first we thought that it might be a bad I/O card or a malfunction PLC including me as well but I thought I would try and see if removing the I/O cables would make a difference or not and this time it did make a difference...
              12-18-2023, 08:17 PM
            • Loading...
            • No more items.
            Working...