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13th November 2021, 10:22 PM #106.
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- Nov 2008
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- Perth WA
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- 71
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The Arm that raises and lowers the Table
The upper end of the arm is held in place in the Z slide casting with a 3/8" diameter steel pin. I initially thought that the pin had been driven in place during assembly at the factory and that its removal was going to be tricky. Wasn't so. Woodfast knurled the pin to ensure a tight fit but use or maybe abuse caused the pin to bell mouth the hole in the cast iron arm thereby loosening it.
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I bored the hole out to 10.1mm to remove effects of the bell mouthing and then made a stepped pin from 4140. To facilitate secure fixing and future removal of the pin I tapped the casting to accommodate a 3/16"BSW socket grub screw and milled a flat on the pin to ensure easy removal. A few fiddly setups... The stubby stepped pin enabled the use of the microscope to centre the existing hole. The boring head uses 10mm shanked tools. The boring bar is 4mm in diameter and held in a 10mm shanked ER11 chuck.
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Fiddlier for drilling and tapping.
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I removed the rust from the castings with 'Rust-Off' then coated them with Rustoleum satin clear.
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BT
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13th November 2021 10:22 PM # ADSGoogle Adsense Advertisement
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- Always
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- Advertising world
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- 2010
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27th November 2021, 07:37 PM #107.
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- Nov 2008
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- Perth WA
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- 71
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The Sheetmetal Base
The base was riddled with holes as a result the attachment of switch gear and conduit. Twenty one 1/8" self tapper holes and four 1/4" bolt holes. I asked for suggestions as to how to neatly fill the holes over in the Metalworking forum and most suggested MIG welding the holes closed. Not owning a MIG welder, I thought a reasonable result might be achieved using Devcon Steel Epoxy or JB Weld's equivalent. I ended up using JB Weld.
The underside of the base was also heavily rusted so I used my 'Air-Boy' sandblaster to clean up the base and all the fixing holes. The photo below is of the Universal in the back of Bob's van when we collected it from the shipping container.
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After blasting the underside I painted the steel with Balchan Zinc Rich Cold Galvanising paint in a rattle can.
The screw holes all had a thread cut by the screw so I thought the thread and the sandblasting would provide a key for the epoxy. I backed the holes with four layers of masking tape and overfilled the holes. Once cured. they were sanded flush and swiped over with body filler, sanded again and overcoated with Balchan Etch Primer, also rattle canned.
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I was going the fill the 1/4" holes with an epoxied in place, stepped steel plug but instead I ran a tap through the holes and filled them as per the others.
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I'm happy so far with the results but there is a lot more work to do before I haul out the spray gun.
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BT
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27th November 2021, 07:54 PM #108.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,792
Looks good, but hot day to be doing this in the shed - looks like you might have even been outside?
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27th November 2021, 07:58 PM #109.
- Join Date
- Nov 2008
- Location
- Perth WA
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- 71
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28th November 2021, 07:06 AM #110GOLD MEMBER
- Join Date
- Oct 2018
- Location
- Dandenong Ranges
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- 1,892
Hi AB. Where did you purchase you sand blaster? That looks pretty handy.
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28th November 2021, 08:44 AM #111.
- Join Date
- Nov 2008
- Location
- Perth WA
- Age
- 71
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- 5,650
Hello MA,
I purchased it at least 15 years ago from Toolmart in Victoria Park for $59.95. They are still available and haven't gone up that much since then - AIR BOY Sandblasting Gun | Total Tools
Handy for small stuff. Removing the rust from the underside of the Universal's base was a time consuming task. Three hours worth!
Bob.
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28th November 2021, 12:41 PM #112GOLD MEMBER
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- Oct 2018
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- Dandenong Ranges
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- 1,892
Thanks Bob. I guess the sand has to be pretty dry too.
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28th November 2021, 01:13 PM #113.
- Join Date
- Nov 2008
- Location
- Perth WA
- Age
- 71
- Posts
- 5,650
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18th December 2021, 10:37 PM #114.
- Join Date
- Nov 2008
- Location
- Perth WA
- Age
- 71
- Posts
- 5,650
The Painted Base.
After priming the bare metal with etch primer and the painted surfaces with grey primer along with some primer filler, I painted the base using spraying enamel colour matched by and purchased from Global Autocoat located over here in Bentley.
Initially I used gloss enamel but the combination of a hot day, nearly 34C, and the paint's swift drying lead to problems with overspray and orange peeling, so I repainted the base on a cooler day using a mixture of three parts gloss to one of matt and the addition of mineral turps to the enamel thinners to retard the drying. Worked OK.
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Primed and gloss painted.
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And with the gloss knocked off.
BT
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19th December 2021, 06:26 PM #115
A little MIG welder is an excellent tool to have.
Perfect for these jobs.
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28th December 2021, 02:26 PM #116.
- Join Date
- Nov 2008
- Location
- Perth WA
- Age
- 71
- Posts
- 5,650
Only Cosmetic.
No machines involved, just took a while.
The large 'Woodfast' badge fixed to the motor access panel was in a sorry state so I thought I would have a go at improving it. If the badge was flat it could probably have been airbrushed and sanded back but its slight doming prevented that. My daughter suggested masking the raised letters using a paint on mask and I asked the fellow at MAS Hobbies, where I purchased the paint, if masking was an option. He asked if I had a steady hand instead!!!
The Revell No.31 'Fiery Red' gloss paint I used is close to a perfect match to RAL 3000 'Flame Red', the colour in the RAL fandeck closest to that used by Woodfast on the smaller, better condition badges.
I thinned the enamel about 6:1 with enamel thinners and used a tiny brush to cut in. Thinned because I didn't want a thick build up of paint around the letters. The paint in some cases ran along the little recessed gully formed at the edges of the letters.
I used a wider sable brush to apply unthinned paint to the open expanses. I found it impossible to avoid brush marks so I opted for a stippled finish, dabbing the paint on. The black ring has some deep scratches which I left as is, some things can't be turned into silk purses.
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BT
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28th December 2021, 03:41 PM #117
I might have been inclined to simply spray clear enamel over that badge and left it manky and wabi-sabi..... everything else perfect other than the badge
Magnificent!
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