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View Full Version : Surface grinder dust extractor / coolant unit



MWF FEED
15th October 2020, 05:40 PM
I'm hoping someone can explain to me how this grinder dust system is supposed to be used, also how it interacts with a coolant system. When I bought the SG at a clearing sale this unit was in another part of the shed, I convinced the auctioneer to put it with the SG prior to bidding- I assumed it was a coolant system but there is no fluid pump on it. As I'm toying with the idea of making a mill vise and would need to be grinding parts as big as the mag chuck, I'm thinking it might be time to get coolant happening on the grinder.
I have not been able to find any info at all on this grinder or the suction unit. Pic of the grinder:
sg front view.jpg (https://metalworkforums.com/attachment.php?attachmentid=389213&d=1602743778)
Pics of the suction unit:
sg dust unit 2.jpg (https://metalworkforums.com/attachment.php?attachmentid=389210&d=1602743121)sg dust unit 1.jpg (https://metalworkforums.com/attachment.php?attachmentid=389209&d=1602743101)
There is a drawer arrangement that goes under the vacuum intake that has a fine mesh screen on the sides.
sg dust drawer.jpg (https://metalworkforums.com/attachment.php?attachmentid=389211&d=1602743164)
The unit is obviously intended to have fluid of some kind in it, as it has a fluid level indicator
sg dust unit level window.jpg (https://metalworkforums.com/attachment.php?attachmentid=389212&d=1602743241)
and inside there is a baffle arrangement. I'm wondering if perhaps it is supposed to have oil in it to capture the dust like an oil-bath air cleaner on an old car?
The grinder table has a drain port for a coolant system and the sheet-metal frame that prevents coolant being sprayed across the room, also threaded holes on the wheel guard presumably for mounting a coolant nozzle.
How would I go about setting up a coolant system on this thing? A submersible pump in the bottom of the dust unit with a drain hose in addition to the vacuum hose? Google hasn't brought up anything helpful at all on this.
Attached Images

https://metalworkforums.com/images/attach/jpg.gif sg front view.jpg (https://metalworkforums.com/attachment.php?attachmentid=389213&d=1602743778) (92.5 KB)
https://metalworkforums.com/images/attach/jpg.gif sg dust unit 2.jpg (https://metalworkforums.com/attachment.php?attachmentid=389210&d=1602743121) (245.1 KB)
https://metalworkforums.com/images/attach/jpg.gif sg dust drawer.jpg (https://metalworkforums.com/attachment.php?attachmentid=389211&d=1602743164) (200.7 KB)
https://metalworkforums.com/images/attach/jpg.gif sg dust unit level window.jpg (https://metalworkforums.com/attachment.php?attachmentid=389212&d=1602743241) (63.2 KB)
https://metalworkforums.com/images/attach/jpg.gif sg dust unit 1.jpg (https://metalworkforums.com/attachment.php?attachmentid=389209&d=1602743101) (237.2 KB)




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