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Type: Posts; User: scottyd
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11th May 2020, 05:40 PM
Thread: Noob question about steel supplies
by scottyd- Replies
- 23
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- 6,898
Im sorry...literally an hour's drive from the...
Im sorry...literally an hour's drive from the largest city in Australia is remote now? I just cant buy that, not for a second. Im in Griffith, western NSW. Its six hours from my house to the start...
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11th May 2020, 11:17 AM
Thread: Noob question about steel supplies
by scottyd- Replies
- 23
- Views
- 6,898
Haaaahahahahaha I spend money on being a...
Haaaahahahahaha
I spend money on being a metalwork teacher. Im contractually forbidden to sell stuff for plainly obvious reasons. Aint no profits here!
For me, the biggest cost is time. ... -
10th May 2020, 09:56 AM
Thread: Noob question about steel supplies
by scottyd- Replies
- 23
- Views
- 6,898
Dont Ask Me How I Know This (DAMHIKT) Im gunna...
Dont Ask Me How I Know This (DAMHIKT)
Im gunna throw what might be a controversial and confusing option out there. Why not just buy stock as you require it? There's some very good reasons to do... -
22nd Apr 2020, 10:42 PM
Thread: Counterboring options
by scottyd- Replies
- 9
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- 2,735
Endmills will do it just fine, have done it...
Endmills will do it just fine, have done it myself a heap of times.
I do have a couple of ebay counterbores though, and im yet to be disappointed. Honestly, Im flat out finding anything on ebay... -
21st Apr 2020, 08:13 PM
Thread: Your latest project
by scottyd- Replies
- 3,019
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- 1,554,862
Sticky: Ive never had much of a problem with the...
Ive never had much of a problem with the tailstock moving while tightening collets. Occasionally it might move a bit, but its never resulted in a slipped spanner yet. Crap under the tailstock...
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21st Apr 2020, 07:01 PM
Thread: Your latest project
by scottyd- Replies
- 3,019
- Views
- 1,554,862
Sticky: You missed the thongs I was wearing too. Its...
You missed the thongs I was wearing too.
Its my workshop, Ill do as I please thanks. I agree with stopping the chuck with my hand, but its my hand, my shed and my lathe, I dont see a problem with... -
19th Apr 2020, 10:00 PM
Thread: Your latest project
by scottyd- Replies
- 3,019
- Views
- 1,554,862
Sticky: I made a knob! And then I filmed myself...
I made a knob!
And then I filmed myself polishing my knob.
https://www.youtube.com/watch?v=9jf20pu3DEU
(Its perfectly SFW) -
16th Jan 2020, 04:49 PM
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- 5
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- 2,594
Great work mate. This is something Ive been...
Great work mate. This is something Ive been contemplating, except making a conversion to metric (along with the other axis' as well). That dial is fantastic!
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10th Jan 2020, 05:31 PM
Thread: New Hercus Model C's Owner
by scottyd- Replies
- 5
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- 4,377
While ever you cut a thread thats not a direct...
While ever you cut a thread thats not a direct copy of the leadscrew (8tpi), then you are going to create a situation where the spindle and the leadscrew are not at the same point in their rotation...
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28th Nov 2019, 09:52 PM
Thread: Layshaft Bearing refurbishment
by scottyd- Replies
- 4
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- 2,897
Looks like an excellent fit to me, good job! did...
Looks like an excellent fit to me, good job! did you redrill the two oil holes? Might be worth countersinking them a little deeper so they retain a little more oil, stave off the next rebush?
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29th Aug 2019, 08:17 AM
Thread: ER32 collet setup?
by scottyd- Replies
- 18
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- 11,094
I know how that goes, there's only just enough...
I know how that goes, there's only just enough room left in the shed for the Speed Triple. Hell, I originally bought machines with the justification of making parts for my trackday car...'cept the...
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28th Aug 2019, 08:42 AM
Thread: ER32 collet setup?
by scottyd- Replies
- 18
- Views
- 11,094
Jeez I wish this myth would die already. The...
Jeez I wish this myth would die already.
The cylindrical unthreaded portion of the spindle nose - the "register" does no such thing. The two faces that control the alignment of the backing plate... -
28th Aug 2019, 08:35 AM
Thread: ER32 collet setup?
by scottyd- Replies
- 18
- Views
- 11,094
I believe you can buy one from pipeclay, thats...
I believe you can buy one from pipeclay, thats one option.
Option two is to buy the required gears to do the imperial threading. Id consider this option because it means youre going to finish the... -
27th Aug 2019, 08:24 PM
Thread: ER32 collet setup?
by scottyd- Replies
- 18
- Views
- 11,094
Pipeclay has the correct answer...why on earth...
Pipeclay has the correct answer...why on earth would you not want a screw on one?
If youre making a drawbar setup, then youre already cutting threads, but you have more components to make.
If... -
6th Aug 2019, 09:24 PM
Thread: help with TC tool inserts.
by scottyd- Replies
- 8
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- 2,433
Thats what Ive found too, but the catalogue...
Thats what Ive found too, but the catalogue appears to be in german and my german ain't so flash.
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23rd May 2019, 08:56 AM
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- 37
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- 17,592
I can appreciate that 8 hours isnt exactly a...
I can appreciate that 8 hours isnt exactly a mountain of experience, but all the best learning opportunities are needs driven. The skills youd learn, setting up in a 4 jaw chuck, setting the...
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22nd May 2019, 10:43 PM
- Replies
- 37
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- 17,592
MT2 reamer sets can be had for 24 bucks and up on...
MT2 reamer sets can be had for 24 bucks and up on ebay right now. Thats where I acquired mine and it works a treat.
I was in the exact same position as OP, very good quality 260 for peanuts and... -
5th May 2019, 08:52 PM
Thread: Hercus 260 Price
by scottyd- Replies
- 3
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- 5,776
It varies greatly with who you know and how...
It varies greatly with who you know and how quickly you can move. 260 DGM's can go for big dollars to people who are desperate for that particular spec and arnt prepared to weather a long search,...
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2nd May 2019, 08:35 AM
Thread: Die Grinders (Electric, Corded)
by scottyd- Replies
- 28
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- 6,538
My interest in battery powered tools is very...
My interest in battery powered tools is very limited. Most of the tools I could buy with a battery go through phases of use. Sometimes Ill need the tool very frequently, possibly frequently enough...
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23rd Mar 2019, 02:13 PM
Thread: Moisture inside metal SHS question .
by scottyd- Replies
- 7
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- 1,461
The moisture inside isnt specifically the...
The moisture inside isnt specifically the problem, its the oxygen. Moisture just acts as an electrolyte to assist the oxidation process. However, once the oxygen within the newly sealed tube is...
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9th Mar 2019, 05:42 PM
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- 12
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- 4,383
Set your compound slide to a shallowish taper and...
Set your compound slide to a shallowish taper and lock the saddle to the bed. Use the compound to cut the shoulder required, but on a slight taper, and keep test fitting the chuck body to the...
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24th Feb 2019, 07:41 PM
Thread: HSS End Mill life
by scottyd- Replies
- 4
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- 4,548
A few things: - HAFCO end mills = garbage. ...
A few things:
- HAFCO end mills = garbage. Contemplate how tight a manufacturer has to be to braze HSS cutting sections to mild steel shanks for a 6mm end mill. Of course, youre not seeing the... -
22nd Feb 2019, 06:47 PM
Thread: Tru-grip chuck??
by scottyd- Replies
- 11
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- 5,369
I had one of those mounted on an R8 shank for a...
I had one of those mounted on an R8 shank for a chinese made mill drill toy. Granted, the mill drill was a complete POS, but I was not a fan of the collet chuck either. I could never get endmills...
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22nd Jan 2019, 10:29 AM
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- 6
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- 2,150
Ive got the same inserts in a 6 tipped 80mm shell...
Ive got the same inserts in a 6 tipped 80mm shell mill and its taken some experimentation to get good results. It loves some serious feed rate and rpm, but to get it really into the region where its...
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19th Dec 2018, 07:14 AM
Thread: Anyone thinking of getting a mini-lathe?
by scottyd- Replies
- 6
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- 1,957
I like how impartial tony was, but after seeing...
I like how impartial tony was, but after seeing THIS review, theres not a chance Id buy one. In saying that, its not the things that the reviewer says because he is relatively uneducated in what it...
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12th Dec 2018, 07:30 AM
Thread: Model A Apron on Model C Hercus Lathe?
by scottyd- Replies
- 4
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- 2,495
Youll need to replace a bunch of parts. ...
Youll need to replace a bunch of parts. leadscrew, crossfeed screw, the apron and add a quick change gearbox. The screws that come with the A and B variants have a shorter leadscrew to account for...
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2nd Dec 2018, 07:54 AM
Thread: hercus lathe serial numbers
by scottyd- Replies
- 184
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- 149,144
Gday Mal, feel free to add mine too. ATM 19975. ...
Gday Mal, feel free to add mine too. ATM 19975. In very nice condition, looks like it was barely used and has come out of Tumbarumba HS. It came as a pair, my mate bought the other lathe there, a...
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26th Nov 2018, 07:21 AM
Thread: Hydraulic Cylinder Fix
by scottyd- Replies
- 11
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- 6,670
The plating process leaves around .05mm of chrome...
The plating process leaves around .05mm of chrome on the bar, those dints are way deeper than that. If you were to regrind and straighten the rod, the finished diameter is going to be well below...
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18th Nov 2018, 12:05 PM
Thread: Tooling advice for a new lathe
by scottyd- Replies
- 25
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- 5,672
I think a combination of HSS and carbide is the...
I think a combination of HSS and carbide is the best bet. A few sticks of HSS for regrinding into whatever odd feature is required, like threading or cutting sheave profiles. Carbide through ebay...
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18th Nov 2018, 08:38 AM
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- 13
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- 5,358
Definitely no grease. If you use grease with the...
Definitely no grease. If you use grease with the bearings preloaded tight enough to prevent chatter, youll end up with rapidly heating bearings which causes them to expand until they seize. Oil...
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15th Nov 2018, 05:58 PM
Thread: Are chuck jaws any good?
by scottyd- Replies
- 2
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- 2,539
I would say theyre worth keeping, if youre happy...
I would say theyre worth keeping, if youre happy to hunt for a matching body. I run plenty of chucks at work that no longer have matching bodies and jaw sets. As long as the jaws all share the same...
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6th Nov 2018, 05:45 PM
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- 2
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- 2,771
Ill take it Bob, ill shoot you a PM
Ill take it Bob, ill shoot you a PM
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30th Oct 2018, 05:33 PM
Thread: eBay Reamer
by scottyd- Replies
- 8
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- 2,388
Cmon guys, so much negativity! The...uhh...the...
Cmon guys, so much negativity! The...uhh...the square bit looks ok?
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24th Oct 2018, 07:57 AM
Thread: Removing seized mt2 chuck from spindle
by scottyd- Replies
- 36
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- 19,702
Im with pipeclay on this. Its out of the...
Im with pipeclay on this. Its out of the machine, put it in a press. Any local engineering firm will do it for a very small cost, its but a few minutes work.
Heating it to 650°C is waaay into... -
23rd Oct 2018, 06:04 PM
Thread: How to clean rusty bolts
by scottyd- Replies
- 9
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- 5,608
Using a wire wheel on a bolt / screw is a bad...
Using a wire wheel on a bolt / screw is a bad idea, it creates lots of little nicks and slices on the surface of the thread. At the bottom of the thread valleys, a nick in the surface can be a...
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20th Oct 2018, 06:42 PM
Thread: Forged and Filed
by scottyd- Replies
- 14
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- 5,393
OCD doesnt make you do that. Obsessive...
OCD doesnt make you do that. Obsessive compulsive disorder means that you tend to do ritualistic compulsions, something like washing your hands over and over. A compulsion isnt doing metalwork, a...
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3rd Oct 2018, 08:26 PM
Thread: Milling machine types
by scottyd- Replies
- 11
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- 2,771
A milling machine is a broad, catch all term,...
A milling machine is a broad, catch all term, usually describing a machine tool where the workpiece is held steady while the cutter is rotated against it.
A universal milling machine has more axis... -
1st Oct 2018, 09:59 AM
Thread: hercus 260g sold $7000
by scottyd- Replies
- 12
- Views
- 5,314
Yes. At my last school, where we had a few...
Yes. At my last school, where we had a few DGM's, the kids would love to distract the operator, click the lathe up to top gear and engage the leadscrew geartrain, preferably in a pretty tall gear...
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30th Sep 2018, 01:20 PM
Thread: Replace Bull Pin ? : Hercus 9" Model A :
by scottyd- Replies
- 7
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- 4,305
Pulling the spindle on a 9in isnt a big job. A...
Pulling the spindle on a 9in isnt a big job. A mallet and a small flat head screwdriver, youll have it in your hands within two minutes.
That said, you could remove the guard over that half of... -
28th Sep 2018, 06:05 PM
Thread: Circle calculation
by scottyd- Replies
- 52
- Views
- 14,234
Sorry mate, its been that long since Ive used...
Sorry mate, its been that long since Ive used autocad. I jumped ship at solidedge 17 and never looked back, not even for a second. The learning curve was super easy and in no time at all, you could...
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27th Sep 2018, 08:06 PM
Thread: Circle calculation
by scottyd- Replies
- 52
- Views
- 14,234
Whoops. 2.27 yeah, fat fingers.
Whoops. 2.27
yeah, fat fingers. -
26th Sep 2018, 07:41 PM
Thread: Circle calculation
by scottyd- Replies
- 52
- Views
- 14,234
Sorry Elan, didnt see the question. I drew it in...
Sorry Elan, didnt see the question. I drew it in the following method:
- draw 4 circles in a rough zigzag, tangental to each other. Add the constraint that all circles are equal diameter
-... -
25th Sep 2018, 11:11 PM
Thread: Circle calculation
by scottyd- Replies
- 52
- Views
- 14,234
I agree with elanjacobs - solidworks puts out a...
I agree with elanjacobs - solidworks puts out a diameter of 2.27mm
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25th Sep 2018, 10:59 PM
Thread: Tapping Drill Chart
by scottyd- Replies
- 24
- Views
- 5,920
I've made up THIS...
I've made up THIS table for work, I printed it on 4 A3 pages and I carry a copy around on my phone for quick reference. It doesnt have your % engagement request, but some people might find it handy....
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19th Sep 2018, 09:38 PM
Thread: Testing few Mics and callipers
by scottyd- Replies
- 8
- Views
- 2,663
What were you comparing the mitu test bars...
What were you comparing the mitu test bars against?
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9th Sep 2018, 02:19 PM
Thread: A new machine vice - recommendations
by scottyd- Replies
- 46
- Views
- 9,463
I thought I knew how to use a vice before...now...
I thought I knew how to use a vice before...now Im just confused :(
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3rd Sep 2018, 08:05 PM
Thread: Making titanium pens
by scottyd- Replies
- 22
- Views
- 7,406
Perhaps a gun drill? My concern for the drill...
Perhaps a gun drill? My concern for the drill material is secondary to your chances of getting that hole to be remotely straight, especially when youll struggled to keep a hss drill sharp for that...
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26th Aug 2018, 07:27 PM
Thread: Scraping problems
by scottyd- Replies
- 35
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- 13,847
What sort of radius does your scraper have? You...
What sort of radius does your scraper have? You might also be going too gentle, with the back of the tool too low, which is something I did a bit when I started.
I agree with the sharpness... -
24th Aug 2018, 09:20 AM
Thread: Carbide insert experience
by scottyd- Replies
- 41
- Views
- 11,252
In my experiences with ebay insert tooling so...
In my experiences with ebay insert tooling so far, its worth noting that bigger (and more rigid) holders arnt necessarily going to yeild better results. Bigger inserts for general purpose turning...
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23rd Aug 2018, 06:55 PM
Thread: Carbide insert experience
by scottyd- Replies
- 41
- Views
- 11,252
Ive had carbide break off before, but only when...
Ive had carbide break off before, but only when its being abused. They haaaate chatter and interupted cuts, you can trash a corner in seconds doing either if youre not careful. If we're talking...