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Type: Posts; User: nadroj
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15th Apr 2024, 08:53 PM
Thread: Douglas shaper help please
by nadroj- Replies
- 5
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- 319
Note that I added the overall lengths of the...
Note that I added the overall lengths of the ratchet feed nut and bolt, and the bolt's thread length, which I'd left out in my haste.
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15th Apr 2024, 06:28 PM
Thread: Douglas shaper help please
by nadroj- Replies
- 5
- Views
- 319
...
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9th Apr 2024, 08:45 AM
Thread: Hercus 9 Intermediate Shaft lubrication
by nadroj- Replies
- 5
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- 372
Any chance your bearings are installed upside...
Any chance your bearings are installed upside down?
Or maybe they were not provided with oil holes?
My 1940s Hercus9 has countersunk holes 5/32" (4mm) at two positions on each countershaft bearing.... -
3rd Apr 2024, 08:44 AM
Thread: Bench Grinder Capacitor
by nadroj- Replies
- 11
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- 551
I've often seen motor capacitors with voltage...
I've often seen motor capacitors with voltage ratings much higher than 240V.
An explanation is that AC voltage is stated as RMS, whereas the peak voltage of its sine wave is higher.
1.5x line... -
17th Feb 2024, 11:37 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
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- 901
That would be very useful, thanks elanjacobs. ...
That would be very useful, thanks elanjacobs.
Jordan -
17th Feb 2024, 02:23 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
- Views
- 901
That had me looking for a dictionary. Harrage...
That had me looking for a dictionary.
Harrage doesn't appear in my SOD.
There are some references to the word online. There it means harass or plunder.
I guess it means something else in... -
17th Feb 2024, 05:05 AM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
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I was hoping to have a flat enough result without...
I was hoping to have a flat enough result without grinding afterwards.
Is water-cutting better than laser in this regard? -
16th Feb 2024, 08:06 AM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
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- 901
Excellent, thanks Steve. I should be able to get...
Excellent, thanks Steve.
I should be able to get something done now.
I'll see if my CAD friend can do the drawing.
Thanks to all,
Jordan -
15th Feb 2024, 09:52 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
- Views
- 901
To have a stamping die made would be hugely...
To have a stamping die made would be hugely expensive, I think?
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15th Feb 2024, 09:42 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
- Views
- 901
Thanks for the helpful tips, folks. It's good to...
Thanks for the helpful tips, folks.
It's good to learn the different capabilities of machines.
Maybe I over-emphasised the need for accuracy. Used plates always get distressed around the spliney... -
15th Feb 2024, 02:48 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
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- 901
Here's a sketch. If the inside corners can't...
Here's a sketch.
If the inside corners can't be made without a radius, I guess they could be undercut? -
15th Feb 2024, 02:39 PM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
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- 901
Between 2 and 4mm thickness.
Between 2 and 4mm thickness.
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15th Feb 2024, 09:06 AM
Thread: CNC metal cutting questions
by nadroj- Replies
- 23
- Views
- 901
CNC metal cutting questions
I want to have some metal cutting done, either by water, laser or plasma.
What would be a good choice of method for accuracy and smoothness?
Also, what would be the diameters of the cutting tip... -
Some info: http://steammachine.com/hercus/ ...
Some info:
http://steammachine.com/hercus/
https://www.youtube.com/watch?v=uPJ5GDe2EWU -
24th Jan 2024, 08:34 PM
Thread: Small Norton grinding wheels
by nadroj- Replies
- 46
- Views
- 3,786
VIC Mine arrived, thanks Steve. You've done a nice...
Mine arrived, thanks Steve.
You've done a nice job of packaging to protect them in transit.
Jordan -
24th Jan 2024, 08:13 PM
Thread: Waldown C-0 Pulley Dimension Query
by nadroj- Replies
- 8
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- 493
Hi Bob, Pulley sizes measured with vernier...
Hi Bob,
Pulley sizes measured with vernier calipers from my C-0 :
External 43.7 at crown, 42.9 & 43.1 at edges.
Internal 37.6 at crown, 36.0 & 36.2 at edges.
Motor has a combined pulley... -
15th Jan 2024, 09:38 AM
Thread: Surface Plate recommendation
by nadroj- Replies
- 30
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- 1,649
What does it mean, to print with respect to a...
What does it mean, to print with respect to a surface plate?
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13th Jan 2024, 10:48 PM
Thread: Small Norton grinding wheels
by nadroj- Replies
- 46
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- 3,786
VIC That's what I was thinking. Thin cardboard...
That's what I was thinking. Thin cardboard wrapped over the shaft should fill the gap.
Please post 5 off to 2579.
Jordan -
3rd Jan 2024, 07:07 PM
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- 22
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- 1,530
I saw an induction motor in an electroplating...
I saw an induction motor in an electroplating shop, that was set up to remove rust.
The motor wasn't huge, no more than one horsepower I think, and quite slow - under 1,000 rpm.
An interesting... -
31st Dec 2023, 09:37 AM
Thread: SA Hercus 260 lathe parts manual
by nadroj- Replies
- 2
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- 476
SA Yes please. Jordan
Yes please.
Jordan -
29th Dec 2023, 02:42 PM
Thread: Sheraton 9 A 1167
by nadroj- Replies
- 29
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- 24,470
This might be appalling to hear, but I used...
This might be appalling to hear, but I used newspaper as temporary shims on my Hercus 9 headstock.
It has been left like that for many years with no problems.
It was a quality broadsheet... -
29th Dec 2023, 02:25 PM
Thread: Melbourne: Machine storage options
by nadroj- Replies
- 20
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- 1,443
I have used shipping containers more than once...
I have used shipping containers more than once for this purpose.
Tips:
Make sure it's waterproof, lockable and that the locks and door open/close easily.
See if you can have container delivered on... -
25th Dec 2023, 08:28 AM
Thread: Jenson lathes
by nadroj- Replies
- 4
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- 561
I have never seen a Jenson lathe before. It...
I have never seen a Jenson lathe before.
It looks a sturdy design, with its integrated headstock & bed.
The overhang on the left end suggests it might have been pedal-driven originally. -
24th Dec 2023, 01:35 PM
Thread: Cute Little Shaper - Minor Refurbishment
by nadroj- Replies
- 11
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- 1,029
I have 2.7 gigabytes of general documentation on...
I have 2.7 gigabytes of general documentation on shapers, plus more on specific models.
Would you be interested in it? I'd need you to send me a USB stick or something.
Jordan -
21st Dec 2023, 10:43 AM
Thread: Looking for a piston ring
by nadroj- Replies
- 9
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- 2,423
Thanks for the tip, J&H. Yes, that's the 3...
Thanks for the tip, J&H.
Yes, that's the 3 piece ring I want.
This firm says they can supply a ring in the required size: https://www.autosurplus.com.au/
I ordered it and a scraper ring for... -
19th Dec 2023, 07:09 PM
Thread: A ring roller that's outside the square.
by nadroj- Replies
- 3
- Views
- 498
That's a neat solution. When rolling long...
That's a neat solution.
When rolling long pieces, vertical roller orientation helps prevent them from straightening themselves due to weight of the bent part, soaring into the heavens.
A suitably... -
18th Dec 2023, 08:13 PM
Thread: Looking for a piston ring
by nadroj- Replies
- 9
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- 2,423
Thanks Sparksy, The landline phone number has...
Thanks Sparksy,
The landline phone number has been disconnected, now they are using moble number 0411 864 249.
George at HB Sales had a look and could only find a ring that is a different... -
18th Dec 2023, 05:57 PM
Thread: Looking for a piston ring
by nadroj- Replies
- 9
- Views
- 2,423
Thanks familyguy & China. I won't deal with JP...
Thanks familyguy & China.
I won't deal with JP as they gave me wrong info in the past so I wasted money.
I have some Cord rings that I bought for another bike. They look like a stack of... -
18th Dec 2023, 08:13 AM
Thread: Looking for a piston ring
by nadroj- Replies
- 9
- Views
- 2,423
Looking for a piston ring
I want to replace a one piece, iron oil scraper ring with a multi-piece steel type.
It's for a single cylinder motorbike engine.
Dimensions are to suit cylinder bore size of 87mm, ring groove... -
12th Dec 2023, 06:25 PM
Thread: OD grinding a ball bearing
by nadroj- Replies
- 8
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- 682
I haven't done it, but it's possible alright. I...
I haven't done it, but it's possible alright.
I have some bearings with shaft size in inches, housing size metric. They are reground imperial bearings.
Someone told me he had a job regrinding... -
12th Dec 2023, 01:24 PM
Thread: Advice needed on fastener type
by nadroj- Replies
- 25
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- 1,740
It might be worth an experiment with batten...
It might be worth an experiment with batten screws, which are countersunk and have a large head with hex socket.
I built my carport using these "wood screws", predrilling the 3mm wall thickness of... -
10th Dec 2023, 03:30 PM
Thread: A new acquisition Hercus ATM 260
by nadroj- Replies
- 18
- Views
- 2,337
Check that there isn't another grub screw...
Check that there isn't another grub screw underneath the visible one.
To unsieze the dial from the shaft, try this:
Wind the handle clockwise all the way until the shaft disengages from the... -
8th Dec 2023, 05:52 PM
Thread: A new acquisition Hercus ATM 260
by nadroj- Replies
- 18
- Views
- 2,337
There's a grub screw that can be loosened,...
There's a grub screw that can be loosened, allowing the dial ring to turn, then re-tightened.
On my 260 it has a hex socket for an Allen key.
Some replace the grubscrew with a finger-operated... -
26th Nov 2023, 08:10 PM
Thread: A new acquisition Hercus ATM 260
by nadroj- Replies
- 18
- Views
- 2,337
I have one of those, like it very much. May I...
I have one of those, like it very much.
May I offer some advice?
The space behind the apron is prone to collecting debris.
Remove it and clean out the clutch housing.
I've seen these so jammed... -
25th Nov 2023, 10:06 AM
Thread: Quick and cheap quill ring light...
by nadroj- Replies
- 7
- Views
- 975
I bought a "$10" ringlight with a threaded brass...
I bought a "$10" ringlight with a threaded brass insert for a bolt.
It's a funny thing - 6mm diameter but with imperial coarse 1/4" thread.
A 1/4 UNC setscrew was turned down to 6mm and all is OK. -
23rd Nov 2023, 08:56 AM
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- 10
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- 813
Yes, the range of radius size is limited, but...
Yes, the range of radius size is limited, but it's a simple tool - make a new vertical rod for minimal overhang.
It's not a convex making tool.
A broad-faced cutting bit isn't needed, just a... -
20th Nov 2023, 12:35 AM
- Replies
- 10
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- 813
One like this on ebay, Kryn....
One like this on ebay, Kryn.
ebay.com.au/itm/354958793980
Results are good enough for some jobs, but the tubes get somewhat oval at the bends. -
19th Nov 2023, 10:49 PM
- Replies
- 10
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- 813
Nice but it doesn't have to be so elaborate a...
Nice but it doesn't have to be so elaborate a tool, nor a big lathe.
Here's mine using a HSS bit, on a Hercus 260.
To turn the vertical bar there is a simple handle, just visible at top of photo.... -
12th Nov 2023, 06:18 PM
Thread: Material suggestion for a small gear?
by nadroj- Replies
- 20
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- 7,297
I went for a weekend ride, now have 300...
I went for a weekend ride, now have 300 kilometers on the PLA gear.
It has worked perfectly so far.
Removed and cleaned, result is a slightly more furry-looking gear, with wear on the ends of the... -
4th Oct 2023, 09:18 PM
Thread: Parting blade tool holder query
by nadroj- Replies
- 10
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- 1,076
You are brave to attempt such a diameter with a...
You are brave to attempt such a diameter with a single setting of the blade.
Unless it's perfectly perpendicular, some side rubbing will occur, which could give snappy results.
I'd probably do it... -
4th Oct 2023, 09:19 AM
Thread: How do I machine this feature?
by nadroj- Replies
- 22
- Views
- 1,826
A fly-cutting operation, with the tilting head of...
A fly-cutting operation, with the tilting head of a vertical mill turned 90 degrees.
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3rd Oct 2023, 08:43 PM
Thread: How do I machine this feature?
by nadroj- Replies
- 22
- Views
- 1,826
If it needs to be a single weldment, so be it....
If it needs to be a single weldment, so be it.
But if it were possible to re-design it into a bolted up structure, it could incorporate adjustment slots as required to achieve accuracy.
It would... -
3rd Oct 2023, 08:31 PM
Thread: 300mm Grinder Refurb
by nadroj- Replies
- 19
- Views
- 1,713
Or if you have a toolpost grinder, knock a...
Or if you have a toolpost grinder, knock a millimeter or so off the diameter of the seal section, and fit a smaller ID seal?
The shaft might have centre holes to facilitate that. -
2nd Oct 2023, 08:59 PM
- Replies
- 16
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- 1,132
Has anyone seen a clamp knurler where the...
Has anyone seen a clamp knurler where the clamping effort is applied at the ends of the tool?
That is, instead of (from tool post end): fulcrum - effort - load, the order is fulcrum - load - effort.... -
25th Sep 2023, 02:27 PM
Thread: Cosmetic metal spraying?
by nadroj- Replies
- 12
- Views
- 774
I don't know. How to find out?
I don't know.
How to find out? -
25th Sep 2023, 10:31 AM
Thread: Cosmetic metal spraying?
by nadroj- Replies
- 12
- Views
- 774
Thanks Neil. That might be the way to go, unless...
Thanks Neil. That might be the way to go, unless there's a metal spraying process that can give a reasonably fine finish.
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25th Sep 2023, 10:29 AM
Thread: Cosmetic metal spraying?
by nadroj- Replies
- 12
- Views
- 774
Thanks Kryn. I rang a rep from McElligotts who...
Thanks Kryn. I rang a rep from McElligotts who explained that while it would be possible to spray aluminium (wire method), the result would be likely too coarse - like the roughest grade of sandpaper.
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24th Sep 2023, 11:05 PM
Thread: Cosmetic metal spraying?
by nadroj- Replies
- 12
- Views
- 774
That is an interesting, paint type product. The...
That is an interesting, paint type product.
The photos are impressive. I don't want it to look too good! -
24th Sep 2023, 06:50 PM
Thread: Cosmetic metal spraying?
by nadroj- Replies
- 12
- Views
- 774
Cosmetic metal spraying?
I have an iron motorbike finned cylinder head, that I want to change the looks of.
I was wondering if it is possible to metal spray aluminium onto it?
And would it last?
Background:
In 1950,... -
19th Sep 2023, 11:56 PM
Thread: Lathe turning definition?
by nadroj- Replies
- 6
- Views
- 734
I also have heard the holes themselves being...
I also have heard the holes themselves being referred to as centres.
It seems that context is important.
It's not as if you could mistakenly order a hole when you might actually need a morse taper...