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13th January 2018, 04:56 PM #1SENIOR MEMBER
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Flow Indicator for Water Cooled Spindle
Gents,
Cheap chinese Submersible pump supplier with my Router has worked fine so far, but recently, I had an occasion where the pump relay has turned on , the water line was kinked, and there was not any cooling water flow to my 1.5kW spindle.
I has visions of cooking my spindle, so I went looking for a suitable ( cheap ) flow indicator.
Most were very heavy, had strange fittings which were hard to adapt ( for PC cooling ) or were crazy expensive ( $25 + $53 postage EACH through Ebay! )
I eventually settled on one of these. I ordered 2 different sized 1/4 BSP to barb adapters as I didn't which would fit. Turns out I needed both as I have different tubing on my Router.
I was looking to just have it hanging in the breeze ....but its too heavy, so I carefully drilled and tapped M3 threads in the corners and mounted it to
a piece of scrap Ali plate.
Bottom water line is a bit distorted, so I may revisit that, but overall, its a corker.
Flow Indicator (1).jpgFlow Indicator (3).jpgFlow Indicator (5).jpg
Moving pictures to see it in action....lol
https://www.dropbox.com/s/7g4qyke6ss...cator.mp4?dl=0
Steve
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13th January 2018 04:56 PM # ADSGoogle Adsense Advertisement
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14th January 2018, 05:22 PM #2SENIOR MEMBER
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- Sep 2006
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Wouldn't you know it....I've just discovered a problem with my pump.
'Sometimes' it won't start when submerged.......
I pulled it down to see if anything was worn or clogging it...nothing.
I'm off to buy a new pump.
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15th January 2018, 11:29 AM #3Senior Member
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- Jan 2017
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- Sunshine Coast
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G'day Sterob
Can you provide more info on your CNC machine?
Which, size, cost, etc
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15th January 2018, 01:38 PM #4SENIOR MEMBER
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PM sent.
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