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Type: Posts; User: blackfrancis
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3rd May 2010, 09:51 PM
Thread: HM52 collet sets
by blackfrancis- Replies
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- 4,048
Have you tried a roughing cutter? I've been using...
Have you tried a roughing cutter? I've been using these, 4 FLUTE HSS M2AL ROUGHING ENDMILL CUTTER - METRIC #G71 and found them to be really good quality. If you don't use a coolant pump these more...
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8th January 2010, 01:35 PM
Thread: Norton gearbox disassembly?
by blackfrancis- Replies
- 23
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Check out MODEL ENGINEERING SUPPLIES...
Check out MODEL ENGINEERING SUPPLIES
they are listed with there sizes in his catalog. -
22nd December 2009, 09:35 AM
Thread: Are these taps good quality?
by blackfrancis- Replies
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- 1,881
I still want my taps, sorry. Yep the chrome ones...
I still want my taps, sorry. Yep the chrome ones are just the carbon steel taps. You can still buy them made by Suttons, you may have to get them ordered in. I think they are about a third the price...
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19th December 2009, 09:13 AM
Thread: Are these taps good quality?
by blackfrancis- Replies
- 14
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- 1,881
You can buy chrome steal taps made by Suttons and...
You can buy chrome steal taps made by Suttons and you used to be able to buy them made buy P&N before they became a mear name owned by Sutton. The threads on them are not ground like the HSS taps but...
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21st November 2009, 10:25 AM
Thread: Hobby machine manufacturer
by blackfrancis- Replies
- 3
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- 1,344
I wouldn't want to be the person who has to clean...
I wouldn't want to be the person who has to clean up the swarf made by that thing once it gets going. I wonder what they use to do that?
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20th November 2009, 11:32 AM
Thread: HSS vs HSS+Cobalt
by blackfrancis- Replies
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The cobolt makes it more heat resistant....
The cobolt makes it more heat resistant. Basically when HSS gets hot while cutting its hardness dcecreases. When it cools down the hardness returns. Cobolt HSS retains its hardness with temperature...
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12th November 2009, 09:00 PM
Thread: Dead Centre Size for Hercus Spindle
by blackfrancis- Replies
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They came with a 3 to 2 MT sleeve and two MT 2...
They came with a 3 to 2 MT sleeve and two MT 2 taper dead centres. I just turned up my own centre, using the top slide, which is soft so that I can true it up if I want to do anything particularly...
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8th November 2009, 08:27 AM
Thread: 11mm nut no such thing
by blackfrancis- Replies
- 107
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BSW has the head one size smaller than whitworth....
BSW has the head one size smaller than whitworth.
e.g. a 5/16 whitworth bolt has the same head size as a 3/8 BSW bolt. -
7th November 2009, 04:48 PM
Thread: 11mm nut no such thing
by blackfrancis- Replies
- 107
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- 19,632
Yer, they sell them at Bunnings :)
Yer, they sell them at Bunnings :)
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7th November 2009, 04:29 PM
Thread: 11mm nut no such thing
by blackfrancis- Replies
- 107
- Views
- 19,632
Yes AF means across flat. If you measure the...
Yes AF means across flat. If you measure the heads on a whitworth bolt they are a different size to the corresponding UNC bolt. You need a whitworth spanner for them, not an AF one, so it's extremely...
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7th November 2009, 09:37 AM
Thread: 11mm nut no such thing
by blackfrancis- Replies
- 107
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- 19,632
What seems really crazy about this to me is that...
What seems really crazy about this to me is that if you buy a bolt it's probably BSW and then you buy a spanner and it's A/F which won't fit the stupid bolt. E.g. go to Bunnings and they don't sell...
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1st November 2009, 10:12 AM
Thread: what to hold wood with in headstock?
by blackfrancis- Replies
- 13
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- 1,325
you can get the adapter here Tools4cheap LLC...
you can get the adapter here
Tools4cheap LLC Online Machine Shop Tooling Store: Lathe Tooling,Lathe Collet Closers and Taper Adapters -
24th October 2009, 03:26 PM
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Sorry for the slow response 4-6-4. I think you...
Sorry for the slow response 4-6-4. I think you have me mixed up with someone else.
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22nd October 2009, 10:32 AM
Thread: source of parts
by blackfrancis- Replies
- 0
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source of parts
I just got a heap of parts for my own needs off someone in the US who used to work at Southbend. He even has some NOS Hercus parts, I guess from when Southbend were rebadging 260's.
He still has... -
21st October 2009, 05:10 PM
Thread: 4 jaw independant chuck
by blackfrancis- Replies
- 13
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Sure looks like cast iron swarf Tanii. The spigot...
Sure looks like cast iron swarf Tanii. The spigot diameter in that chuck is pretty big. Probably best if you make the full diameter, and do it with minimal gap as Pipeclay suggests. Looks like it may...
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21st October 2009, 09:39 AM
Thread: 4 jaw independant chuck
by blackfrancis- Replies
- 13
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- 1,843
That chuck looks like it may be one where you can...
That chuck looks like it may be one where you can have a small back plate with no step. If so you can just make the O.D. of the backplate fit inside the register on the back of the chuck. Hard to say...
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20th October 2009, 10:33 PM
Thread: 4 jaw independant chuck
by blackfrancis- Replies
- 13
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- 1,843
I have a different four jaw to yours but it has...
I have a different four jaw to yours but it has that arrangement with grub screws holding the retainers in. My retainers come out pretty easy once the grubs screws are removed with some light hammer...
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19th October 2009, 09:36 AM
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No probs B the B Do you definitely want to...
No probs B the B
Do you definitely want to make your own? or would you rather buy replacements? Do you need both screw and nut? Does your lathe have power cross feed, i.e. is it a model A or B?
... -
18th October 2009, 12:19 PM
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You may well be able to use a Hercus or Southbend...
You may well be able to use a Hercus or Southbend nut for a 9" Sheraton.
If you want to cut a thread in your own nut the hardest part will be making the boring bar. This is how I would do it. Get... -
8th October 2009, 09:40 AM
Thread: Pin chuck ?? for closed end pens
by blackfrancis- Replies
- 2
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- 1,251
I've never seen it done that way either, but if...
I've never seen it done that way either, but if it works why not?
That sort of thing is called a mandrel -
6th October 2009, 09:46 PM
Thread: New mill drill
by blackfrancis- Replies
- 11
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- 3,175
If you leave it unattended for any time the oil...
If you leave it unattended for any time the oil runs off and rust begins. I've never had complete success stopping rust over the long term using just oil. Try lanolin based rust preventative spray,...
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6th October 2009, 11:59 AM
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Yes that would be interesting, surely competion...
Yes that would be interesting, surely competion would have made their prices very similar. In contradiction to the opinions expressed here I recall the opinion of someone with a great deal of...
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1st October 2009, 12:17 PM
Thread: Hi Fellas
by blackfrancis- Replies
- 4
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- 1,063
I'd be interested in a 63 tooth gear Peter ...
I'd be interested in a 63 tooth gear Peter
Edit: Sorry Peter, I misread your message. there are no number 63 gears -
22nd September 2009, 04:39 PM
Thread: Show us your Hercus
by blackfrancis- Replies
- 102
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The 260 has the exact same crosslide screw...
The 260 has the exact same crosslide screw arrangement as the later 9" models with the bigger dials. If you really want to get all the end play out of these you should consider modifying it by...
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18th September 2009, 06:19 PM
Thread: Turning betw. Centres
by blackfrancis- Replies
- 16
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- 2,662
That's a nice page Patrick :) Within some of...
That's a nice page Patrick :)
Within some of the stuff that's now missing, Radish had a good suggestion which I don't think anyone was disagreeing with.
If you are careful to watch what is... -
17th September 2009, 07:14 PM
Thread: Turning betw. Centres
by blackfrancis- Replies
- 16
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- 2,662
One way is to turn it end for end and come from...
One way is to turn it end for end and come from both sides. I'd do this and get it close to size or even finish it off. If you really want to take the finishing cut in one go, make up a makeshift...
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15th September 2009, 12:49 PM
Thread: freehand turning??
by blackfrancis- Replies
- 19
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- 6,552
It's a part for a clock Turbo Books on...
It's a part for a clock Turbo
Books on building clocks sometimes have some good info on ornamental turning. -
14th September 2009, 08:37 PM
Thread: freehand turning??
by blackfrancis- Replies
- 19
- Views
- 6,552
I found this article on making a graver (that's...
I found this article on making a graver (that's what the hand turning tool is called) useful. I've only used it on brass so far, but it worked very well.
http://www.sherline.com/gravers.htm
... -
27th August 2009, 05:13 AM
Thread: lathe thread question
by blackfrancis- Replies
- 14
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- 1,502
Pretty much how I see it Dave. Except many lathes...
Pretty much how I see it Dave. Except many lathes of that size and vintage have a leadscrew with a key down it that also serves as a feed shaft. For example the Hercus with power feed. On such lathes...
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26th August 2009, 09:29 AM
Thread: lathe thread question
by blackfrancis- Replies
- 14
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- 1,502
Is it because there is a power cross feed but no...
Is it because there is a power cross feed but no longitudinal feed? i.e. the lathe uses the screw cutting half nuts for the longitudinal feed. I believe the later model super 7's had a similar...
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24th August 2009, 10:28 PM
Thread: decorative turnings??
by blackfrancis- Replies
- 10
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- 1,435
and http://holtzapffel.org/
and
http://holtzapffel.org/ -
24th August 2009, 10:14 PM
Thread: decorative turnings??
by blackfrancis- Replies
- 10
- Views
- 1,435
Check this book out Amazon.com: Ornamental...
Check this book out
Amazon.com: Ornamental Turning (9781854861085): T.D. Walshaw: Books -
18th August 2009, 10:24 AM
Thread: Number punches.
by blackfrancis- Replies
- 7
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- 1,591
Check out number 310156688257 on ebay for a new...
Check out number 310156688257 on ebay for a new set of 1mm / 1/32 number stamps
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9th August 2009, 11:40 AM
Thread: Source of chuck back plates?
by blackfrancis- Replies
- 22
- Views
- 4,236
Several places in the US sell suitable threaded...
Several places in the US sell suitable threaded backplates. Check out CDCO for example
http://www.cdcotools.com/
It's under Machine Tool Tooling -> Lathe Tooling
There are three different... -
6th August 2009, 09:07 AM
Thread: buying a mill drill. any tips?
by blackfrancis- Replies
- 14
- Views
- 2,505
Not sure, they've probably got a similar origin....
Not sure, they've probably got a similar origin. Asset Plant have a range of that style of machine
http://www.assetplant.com/
but I guess you've already been there.
Also available from... -
5th August 2009, 11:02 PM
Thread: buying a mill drill. any tips?
by blackfrancis- Replies
- 14
- Views
- 2,505
Not sure if it will do what you need but the DM15...
Not sure if it will do what you need but the DM15 from Standaco is a quite different yet similar priced machine which also allows the head to swivel around the column.
... -
1st August 2009, 09:13 PM
Thread: oh god what have i done!!!
by blackfrancis- Replies
- 32
- Views
- 5,384
Good stuff Patrick, when your bank balance...
Good stuff Patrick, when your bank balance recovers you'll probably be glad you got the better machine :)
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24th July 2009, 03:46 PM
Thread: This week's eBay Machinery murderer
by blackfrancis- Replies
- 22
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- 3,769
He says it's a "Walcott" lathe. Sure looks very...
He says it's a "Walcott" lathe. Sure looks very similar to an early Southbend.
I think it's fair to say he enjoys winding people up -
24th July 2009, 01:20 PM
Thread: This week's eBay Machinery murderer
by blackfrancis- Replies
- 22
- Views
- 3,769
I reckon this guy knows what to do with it ...
I reckon this guy knows what to do with it
http://www.backyardmetalcasting.com/scrapiron03.html
The second page is worth checking out for a giggle
... -
22nd July 2009, 12:25 AM
Thread: This week's eBay Machinery murderer
by blackfrancis- Replies
- 22
- Views
- 3,769
Says he's had two offers. Maybe you'll have to up...
Says he's had two offers. Maybe you'll have to up your offer to $3.50 without the kick in the nuts Kev :P
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17th July 2009, 12:05 PM
Thread: Herless Lathes
by blackfrancis- Replies
- 9
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- 7,872
Yes, looks much like the 12" swing belt driven...
Yes, looks much like the 12" swing belt driven lathes they used to sell. The belt driven one's didn't have the problem of crappy gears ruining the finish like the geared head models.
It could be... -
16th July 2009, 07:00 PM
Thread: Herless Lathes
by blackfrancis- Replies
- 9
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- 7,872
I've used one 10" swing geared head Herless lathe...
I've used one 10" swing geared head Herless lathe from the mid to late 80's, back when it was new. It was absolutely terrible, avoid that model like the plague. I think their 12" lathes may have been...
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1st July 2009, 09:51 PM
Thread: A bit of light engineering
by blackfrancis- Replies
- 4
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- 1,251
That's awsome Now I know a lathe ain't big...
That's awsome
Now I know a lathe ain't big until you run it by standing on the cross slide.
None of the operators are wearing glasses, that couldn't have been good for a long career.
They... -
29th June 2009, 10:57 PM
Thread: Expression of interest
by blackfrancis- Replies
- 5
- Views
- 1,861
Scrap what I said about the Myford approximation....
Scrap what I said about the Myford approximation. They use a different system, I'm not ontop of how that one works.
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29th June 2009, 10:45 PM
Thread: Expression of interest
by blackfrancis- Replies
- 5
- Views
- 1,861
If anyone wants to cut metric threads here's a...
If anyone wants to cut metric threads here's a couple of very accurate approximations for the 127/100 tooth gear which are easier to make
63/80 - which gives 1.000125mm for 1mm
So a scew that... -
18th June 2009, 08:15 PM
Thread: Tailstock Turret
by blackfrancis- Replies
- 36
- Views
- 8,186
Thanks Frank
Thanks Frank
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18th June 2009, 04:24 PM
Thread: Tailstock Turret
by blackfrancis- Replies
- 36
- Views
- 8,186
Thanks Kev I'm going to buy a copy of that book,...
Thanks Kev
I'm going to buy a copy of that book, Radford designed some interesting stuff. :2tsup: -
9th June 2009, 03:00 PM
Thread: convince me
by blackfrancis- Replies
- 34
- Views
- 3,469
Sounds cool, especially making tools :)...
Sounds cool, especially making tools :) Foreigners on the CNC, I bet the boss would love that :)
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9th June 2009, 02:57 PM
Thread: Tailstock Turret
by blackfrancis- Replies
- 36
- Views
- 8,186
I didn't know there was a Radford book. Is it a...
I didn't know there was a Radford book. Is it a collection of his old ME articles? What's it called?
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9th June 2009, 11:49 AM
Thread: using lathe for mill
by blackfrancis- Replies
- 25
- Views
- 5,689
What's wrong with the morse collets Kev? Is it...
What's wrong with the morse collets Kev? Is it that they don't hold the cutters tight enough? Do R8 collets suffer the same? I ask because I'm contemplating buying a machine which I can get with...