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Thread: Splitting input & output to a chiller - yes or no?

  1. #1

    Splitting input & output to a chiller - yes or no?

    Is it a feasible option to take the lines to & from a chiller, and put a tee in them, to send the water to 2 tubes?

    I'm just thinking that a step-off the CW6000 to the 100 watt tube might be better than using a 3000 unit I have spare?

    I know dual outlet systems exist- I just don't have one! The makers of the new laser said the CW6000 is ONLY for the 180w tube.
    I'm interested in other opinions, because the CW5200 runs fine on our 130w system, not varying when run at 20mA all dayand looks like it could handle more load...

    Thanks
    Best wishes,
    Ian



    ULS M-300, 55w made 2002 with rotary. Goldenlaser 130 watt, 1300x700 made 2011.
    Flat bed 2500x1300 150/90watt 2 tube laser, 2018 model.
    Esab router, 1989, 4.5 x 2.0 m, conv. to Tekcel, and modded a 2nd time.
    HP L260-60". Roland PNC-1410. Mimaki GC-130 SU.
    Screenprinting carousel 6x4 and 7x4 ft 1-arm bandit vac table.
    Corel Draw X3, Illy, Indesign & Photoshop CS2 & CS5, Enroute 4
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  2. #2
    Join Date
    Sep 2016
    Location
    Georgia, USA
    Posts
    289
    As you said, you can buy chillers with dual outputs if you go through S&A/Teyu directly. For others who were not aware, look at this CW5200:

    https://www.google.com/imgres?imgurl...act=mrc&uact=8

    Maybe sell both of your current units and apply that toward a sufficiently powerful single unit? Might give you a viable solution now that saves you money over the long-run?
    Last edited by Doug Fisher; 01-14-2018 at 1:36 AM.
    700mm x 500mm Ke Hui KH-7050 Laser
    80W EFR F2
    S&A CW5000 chiller
    Chuck style of rotary attachment

  3. #3
    Thanks, Doug...
    The CW5200 is on the 130/150 watt laser.
    The new laser on order comes with a CW-6000, but 2 tubes. I told them not to send me a 3000 with the smaller tube as I had one here I did not use.
    Locations in the workshop are such that it won;t be all that good an idea to just have one unit instead of both the 5200 & 6000.
    I'm just wondering about piping the 2nd tube (80/100w) of the flat bed, also into the 6000, rather than praying the little 3000 might be tolerable!
    Best wishes,
    Ian



    ULS M-300, 55w made 2002 with rotary. Goldenlaser 130 watt, 1300x700 made 2011.
    Flat bed 2500x1300 150/90watt 2 tube laser, 2018 model.
    Esab router, 1989, 4.5 x 2.0 m, conv. to Tekcel, and modded a 2nd time.
    HP L260-60". Roland PNC-1410. Mimaki GC-130 SU.
    Screenprinting carousel 6x4 and 7x4 ft 1-arm bandit vac table.
    Corel Draw X3, Illy, Indesign & Photoshop CS2 & CS5, Enroute 4
    Pencil, paper, paintbrush, airbrush & dagger-liners & assorted other stuff.

  4. #4
    My concern would be water flow, as in, if the cooler is designed to flow X amount of water per minute thru 1 tube, then doubling the tubes will essentially cut the water flow to each tube in half, and therefore doubling the time a given amount of water is in the tube... The chiller may be able to handle cooling the heat from 2 tubes, but as the water moves from one end of the tube to the other, will the tube warm that water too much? And what if one tube has less resistance to water flow than the other, that tube will get a higher flow of water while the other starves...

    I have no clue if any of this is really an issue, but...
    4 LASERS -- Gravograph LS900 -- GCC Explorer -- Triumph 1390 -- Triumph Galvo Fiber
    10 CNC ROTARY ENGRAVERS -- NH C2000 -- NH V3200 -- NH V3400 x2 -- NH V3400CL rotary -- NH V5000 -- NH V5000XT x2 -- Gravograph IS400 -- Gravograph IS7000
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    Extraction: 3 -HF 'green' blowers, 1 HF 'big' blower
    4 -air compressors, 3 -drill presses, 3 -grinders, 3 -shears, 4 -saws, mini-lathe


  5. #5
    The CW-6000 has a 3000W cooling capacity, so probably. You might email S&A, though.

  6. #6
    Thanks - you see some 6000s and 5200s do have dual input/outputs... I just wondered if they might simply have a tee-piece inside the box, spreading to two exterior bungs.

    Edited to add that I've just spoken to the mob assembling the new laser, and for an extra $85 USD, they'll put the CW-6002 chiller instead of the 6000. That's 3kW cooling, but dual pump, dual input & output.
    Last edited by Ian Stewart-Koster; 01-15-2018 at 6:16 AM. Reason: to add PS
    Best wishes,
    Ian



    ULS M-300, 55w made 2002 with rotary. Goldenlaser 130 watt, 1300x700 made 2011.
    Flat bed 2500x1300 150/90watt 2 tube laser, 2018 model.
    Esab router, 1989, 4.5 x 2.0 m, conv. to Tekcel, and modded a 2nd time.
    HP L260-60". Roland PNC-1410. Mimaki GC-130 SU.
    Screenprinting carousel 6x4 and 7x4 ft 1-arm bandit vac table.
    Corel Draw X3, Illy, Indesign & Photoshop CS2 & CS5, Enroute 4
    Pencil, paper, paintbrush, airbrush & dagger-liners & assorted other stuff.

  7. #7
    Join Date
    Mar 2014
    Location
    Iowa USA
    Posts
    2,884
    Anytime you split or "T" off a pump you should have a way to balance the flow to each circuit.
    Retired Guy- Central Iowa. , Ray Fine 20w Galvo Fiber laser , LightObject 40w CO2 Laser and Chiller, MakerGear M2 3D Printer. Qe60+ Vinyl cutter. Automation Tech Chinese 6040 Router running on Mach3 and UC400ETH, Fine Line Automation 4x4 CNC Router

  8. #8
    Join Date
    Dec 2010
    Location
    NW Arkansas
    Posts
    1,301
    Spend the $85..... Dual pump solves the issue.
    Woodworking, Old Tools and Shooting
    Ray Fine RF-1390 Laser
    Ray Fine 20watt Fiber Laser
    PM2000, Delta BS, Delta sander, Powermatic 50 jointer,
    Powermatic100-12 planer, Rockwell 15-126 radial drill press
    Rockwell 46-450 lathe, and 2 Walker Turner RA1100 radial saws

    RIA 22TCM 1911s

  9. #9
    We lmpw that now- but it wasn;t presented as an option originally, John!
    That was due to my probing & pushing.
    Best wishes,
    Ian



    ULS M-300, 55w made 2002 with rotary. Goldenlaser 130 watt, 1300x700 made 2011.
    Flat bed 2500x1300 150/90watt 2 tube laser, 2018 model.
    Esab router, 1989, 4.5 x 2.0 m, conv. to Tekcel, and modded a 2nd time.
    HP L260-60". Roland PNC-1410. Mimaki GC-130 SU.
    Screenprinting carousel 6x4 and 7x4 ft 1-arm bandit vac table.
    Corel Draw X3, Illy, Indesign & Photoshop CS2 & CS5, Enroute 4
    Pencil, paper, paintbrush, airbrush & dagger-liners & assorted other stuff.

  10. #10
    The dual in/out units do indeed have two pumps Ian. I have a 7800 here I had to replace to get a two pump unit instead of T-ing off a line
    Poof! and just like magic the shop keeper dissappeared

  11. #11
    Join Date
    Nov 2012
    Location
    Brisbane, Australia
    Posts
    284
    Ian, I had a splitter installed on my big laser when it was using two tubes. Now because I have a DLT-300 which has single in and out for water I do not need the splitter.

    I cannot comment on CW chillers though as mine is made by some company in Taiwan. I am not even sure about its specs but it has been supplied with the laser that supposed to be run with 2x GSI 140W tubes so I believe it is the right one for my setup. It has nos problem to keep water as cold as 17 degrees but I am sure it can go even lower. I had 17 degrees back in Melbourne but here in Brisbane I raised it to 20 degrees. I just could not cope with the heat it pumps out of water.
    GCC Spirit GX Pro 100W(synrad)
    Laserlife Ezlaser LCW 300W(Yongli DLT-300)

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