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Lapidary / Gemstone Community Forum
January 20, 2019, 03:37:37 am
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Water Mist System For Cabbing Units

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Author Topic: Water Mist System For Cabbing Units  (Read 1140 times)
bobby1
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« on: October 08, 2009, 11:16:06 pm »

In the classroom where I taught there was no piped in water except for the sink in the far corner. Most of the cabbing machines were the drip system. Rather than try to cobble up a bunch of piping I built this device to squirt water up on the grinding wheels and expando drums. It works on the same principle as the squirters on the Geni except these move a lot more water.
It consists of an aquarium air pump, some tubing and a home made squirter device.
If you have two people working on the machine you can get a pump with two air outlets and use two squirters at the same time.
Here is a photo of the system. In actual operation the tubing would be much longer, of course!

The squirter is made out of 1 1/2" round aluminum stock. It is 3/4" tall. The center hole and the middle hole on the side are drilled to meet in the center. These holes are 3/16" in diameter. The side center hole is 5/16" above the bottom. The smaller water supply holes are drilled to meet the center hole. They are 3/32" in diameter and are 1/4" above the bottom. The tubing is 3/16" in diameter and it goes in the larger side hole.

I had the aquarium pump wired to the on-off switch so it would turn on when the machine was turned on. You need to mke the squirter out of metal so it will be heavy enough not to float or bounce around, preferably out of aluminum or stainless steel. There is a crude cast lead squirter offered by some lapidary suppliers, but I haven't seen one in any catalogs lately.
Have fun squirting!!
Bob
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stonesthatrock
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« Reply #1 on: October 09, 2009, 09:39:17 am »

oh we had one of those before you got the big machine......  its works very well.  What was cool is we could add warm water and it bubble up and stayed warm for a long time while cabbing in the winter.

mary ann
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woodyrock
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« Reply #2 on: December 20, 2009, 12:29:36 am »

A squirter block made from lead, or type metal (better) will not move around as much as an aluminium block.  When drilling lead, use lots of beeswax on your drill bit to get clean cuts. Type metal has antimony alloyed with the lead to make it harder, which makes it easier to machine. The lead block will not look nearly as good as the aluminium one Bobby made.
Woody
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