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2nd March 2014, 04:57 PM #1Senior Member
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Hercus front oiler thread pitch and dimensions?
I've got an old (1945) Hercus 9" Model C. Popped in to see the chap from Australian Metal Working Hobbiest and bought some oiler caps (silver bits below), however he suggested making the inserts to mount them out of brass.
He mentioned the size and pitch but I cannot remember what it was. Anyone able to help?
Eg:
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2nd March 2014, 07:20 PM #2GOLD MEMBER
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Should be either 1/8" BSPT or 1/8"BSPF.
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2nd March 2014, 07:52 PM #3Senior Member
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You're turning into my Hercus guardian angle pipeclay. Don't suppose you know what those brass fittings are called do you? Cannot find them after a quick eBay search.
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2nd March 2014, 09:07 PM #4GOLD MEMBER
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They are referred to as Oil Gits,they can be expensive, if at all possible you would be better off money wise making them yourself.
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2nd March 2014, 09:10 PM #5Senior Member
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Appreciate the inputs. Think I will see if I can adapt something cheap or look to make something from scratch after checking the pitch.
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3rd March 2014, 10:54 AM #6GOLD MEMBER
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Probably the easiest choice might be to get a 1/8" nipple either the BSPT or BSPF and an end cap.
Screw the end cap onto the nipple,you may need to burr/damage the outer thread of the nipple slightly to stop the cap screwing on to far,then after applying a little thread tape to the outer thread of the nipple,screw the cap on, insert the fitting into the Headstock and see what flat on the End cap lines up best to get your oil filler cap Horizontal and Vertical and then mark this spot for drilling.
Then just drill through the correct size to fit the filler plug and jobs done.
For the End cap it would not matter if it isnt BSPT or BSPF.
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4th March 2014, 04:42 PM #7
This what your looking for?
http://www.ebay.com.au/itm/Machine-P...item5405a52784
Or do you have the oilers ad just need to make adapters to fit them into the H/S?
Ew1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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4th March 2014, 07:04 PM #8Senior Member
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Hercus front oiler thread pitch and dimensions?
Nah, needs to be a 90 degree angle as the oiler hole is on the front of the headstock.
I am looking to replace the flip up oilers on top of the headstock and motor arm for 4 of these:
Should make keeping the spindles lubed a bit easier.
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5th March 2014, 01:02 AM #9GOLD MEMBER
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If you buy those make sure you get good quality and not something cheap.expect to pay around $30 each or more for something decent.
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5th March 2014, 06:21 AM #10Senior Member
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What's the issue with the cheapies?
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5th March 2014, 07:48 AM #11GOLD MEMBER
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Without going into great detail, lets just say not fit for purpose.
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5th March 2014, 07:50 AM #12Senior Member
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Poop, isn't that always the case. I assume these work well if you get good ones?
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5th March 2014, 08:36 AM #13GOLD MEMBER
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Yes they would work.
By all means if you wanted to try the cheaper drip oilers give them ago.
Its only my opinion anyway.
Are you intending running this machine in a workshop type situation where it may be running 6 to 8 hrs/day.
If not the drip oilers may be a bit of over kill.
You mention the motor shaft bearings,are you referring to the countershaft pulley bearings.
As long as you oil the bearing points on the lathe prior to starting work and every couple of hours if using the lathe constantly you shouldn't have a problem.
If on the other hand you intend running the lathe faster than it was designed for, more regular lubrication intervals would be required,but then it could also increase wear on the bearing surfaces.
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5th March 2014, 08:38 AM #14Senior Member
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Probably overkill for my needs then. I expect to use the lathe about 1hr every few months
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5th March 2014, 09:04 AM #15
I bought some cheap drip oilers a while ago, they are really not worth it. Sometimes they don't drip, and they always seem to empty when they are off....
Try an Ebay search for "oil cup spring" http://www.ebay.com.au/sch/i.html?_o...pring&_sacat=0
Hope that helps.
Ew1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.