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Thread: DawnPost Drill - Dating Versions
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21st July 2013, 10:34 AM #76Try not to be late, but never be early.
- Join Date
- Apr 2011
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- Bakers Hill WA
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- 75
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- 1,070
Hi all,
Been on holiday for a couple of weeks, got back a few days ago and thought I'd stick my oar in.
I haven't got the Buffalo Forge any more as it was a parts only job and after I sent the flywheel to Vann I gave the remains to a friend in Perth.
I am the happy owner of a Tough which I opened up for a look. When I first got it it had one thrust washer and no balls, I put five 17/64 balls in and put it back together and it works fine.
But this is not correct as the lateral force of the balls will in time wear a groove in the soft cast iron of the coupler.
According to my friend the original arrangement was for one large ball located centrally between two thrust washers. The wear pattern on my and mspils spindle was supposedly caused by the ball getting off centre, one thrust washer missing and a severe lack of grease over a long time.
As far as I can see the worn part of my spindle is a result of not having a thrust washer on that face.
The split washer or collet serves to retain the sleeve that the lower set screw on the coupler locks onto to stop the mainshaft falling out.
On the subject of nomenclature or terminology, it is my opinion that there is no hard and fast rule as each manufacturer often called similar parts different names simply to avoid confusion with their competition, for instance gears and cogs, flywheel or hand wheel and so on.
Hope this helps,
Geoff.Lowentraut Ives 006.jpgLowentraut Ives 005.jpg
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21st July 2013 10:34 AM # ADSGoogle Adsense Advertisement
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21st July 2013, 10:40 AM #77
Anyone know how the bolts were made for these back in the day? Were they cut from forged square bar?
…..Live a Quiet Life & Work with your Hands
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22nd July 2013, 06:24 PM #78
Extras
As always when you put something back together there are left over parts!!
Dawn Parts1.jpgDawn Parts2.jpg
Ok here you can see two broken bolts, one was from the coupler, other from the pawl.
You can clearly see the plates have grooves for the ball bearings to run in.
I have two sets of half/split washers????Why?? They are also two different thicknesses.
There is a rubber washer, a wavy washer which I assume is some form of spring washer, & another thin washer. I can't remember where these came from
Lastly there is a copper spring possibly home made and a small brass sleeve, which was on the end of one of the shafts. Possibly taking up some of the space on the feed cam follower shaft.???
I didn't expect it to take so long to get to a point of reassembly that I was relying on memory rather than notes...
Below is the "Internally threaded feed drive sleeve" and the "Feed Screw"
Dawn Parts3.jpg…..Live a Quiet Life & Work with your Hands
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22nd July 2013, 10:44 PM #79
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22nd July 2013, 11:07 PM #80
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30th August 2013, 07:39 PM #81
Hi all. A query.
On my Dawn 611: the rod that holds the table to the yoke underneath is 1/2", but the hole that it goes through is 5/8". Is this somewhat sloppy fit standard on yours too?
I am suspicious that my threaded rod may be a replacement. At the top end it is neatly threaded (probably 1/2"BSW) just sufficient for the depth of the table casting it screws into. However, at the bottom end, the thread extends at least an inch into the yoke, and the total length is probably 3/8" longer than it needs to be. I ask because this rod is bent and I'm looking to have a new one made.
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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30th August 2013, 08:15 PM #82
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30th August 2013, 10:35 PM #83
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31st August 2013, 07:18 PM #84
I measured in mm so you will have to translate that to imperial sorry.
over all length 92mm
Dia shank 12.6mm
Dia 12.6mmm x 15mm long thread table end
Dia 12.3mm x 40mm long thread wing nut end
Hole in table is dia 10.3-10.5mm (thread minor) it wasn't true round.
Dawn A1.jpg
Hole through table support is very loose dia 15mm Mine is well greased up…..Never rust seize again!!! No I'm not scared by the original condition of the drill
I was going to wai until I had it mounted on a new board but here is what it is looking like back in working condition. Just missing the little pawl.
Dawn A2.jpgDawn A3.jpgDawn A4.jpg Dawn A6.jpg.…..Live a Quiet Life & Work with your Hands
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31st August 2013, 09:59 PM #85Senior Member
- Join Date
- Apr 2009
- Location
- Melbourne, Australia
- Age
- 82
- Posts
- 135
I had a quick look at mine today. The bolt is .5 inch, and the hole it goes through is .525 inch, so it is a good snug fit.
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2nd September 2013, 05:08 AM #86
Thanks DSEL, that's just the info I needed - with bells on
Originally Posted by mspil
Originally Posted by DSEL74
pssst - DSEL, don't tell anyone, but they're supposed to be red (or maybe green) not black with gold pinstriping... (looks bloody good nonetheless )
Thanks guys.
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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2nd September 2013, 08:48 AM #87…..Live a Quiet Life & Work with your Hands
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2nd September 2013, 01:51 PM #88
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2nd September 2013, 05:41 PM #89
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10th September 2013, 12:05 PM #90
There was different length spindles to allow for some changes in the bearings. Mspil the half washers were used to sit in the groove to hold the spindle in the coupling, and on yours I would say they have turned down the end to allow for the extra space needed to fit that bearing case in. I am certain now that it is a user modification.
…..Live a Quiet Life & Work with your Hands
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