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Type: Posts; User: Chief Tiff
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12th Dec 2023, 04:24 PM
Thread: Advice needed on fastener type
by Chief Tiff- Replies
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Sticking with your original idea of using M6 CSK...
Sticking with your original idea of using M6 CSK headed screws into tapped holes, how about using cup washers under the heads? You would have to counterbore the yellow tongue to suit the greater...
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2nd Jun 2021, 01:21 PM
Thread: Cararact Surgery !
by Chief Tiff- Replies
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Can I ask what lenses you are using? I’ve been...
Can I ask what lenses you are using? I’ve been waiting for over 6 months now for the Alcon Vivity EDOF lens to be available in my size in Australia; my next review is in July and if it still isn’t...
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25th Jan 2020, 06:15 PM
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Hoffmans were a ball bearing manufacturer that...
Hoffmans were a ball bearing manufacturer that closed in the late 1980’s so I would imagine that the balls were ordered by an Australian company who intended to use them in corrosive applications and...
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9th Jan 2020, 07:49 PM
Thread: Bonded Al and MS bar
by Chief Tiff- Replies
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It is done explosively. Back in the late 1980’s...
It is done explosively. Back in the late 1980’s the Royal Navy started constructing the Type 23 frigates which utilised aluminium in a fair bit of the upper deck superstructure. Previously this was...
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15th Jun 2018, 10:43 PM
Thread: Plastic welding?
by Chief Tiff- Replies
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I used on of THESE...
I used on of THESE stuck onto an Aldi gas powered butane soldering iron/micro flame heat gun to join a couple of bits of drainage channel together; the material was about 3mm thick. It worked...
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15th Jun 2018, 10:20 PM
Thread: Removing a stuck chuck from a 260?
by Chief Tiff- Replies
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It's a right hand thread. Put the lathe in the...
It's a right hand thread.
Put the lathe in the lowest gear and stick a piece of bar sideways in the chuck jaws so one end is sticking way out and can be used as a lever, or grip a BIG Alan key in... -
17th Feb 2017, 09:36 PM
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If it's a 1/2" shank it'll fit into a...
If it's a 1/2" shank it'll fit into a hand-cranked post drill. There are plenty of them kicking around still, most users fit a modern chuck to them as the 1/2" shank bits are a bit hard to come by...
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21st Nov 2016, 11:11 AM
Thread: How to tell UNC from BSW?
by Chief Tiff- Replies
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- 11,036
If you're still unable to positively identify the...
If you're still unable to positively identify the thread type perhaps you could tap a pair of threaded holes and see which is the best fit by a combination of feel and ink transfer? For this to work...
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17th Nov 2016, 12:58 PM
Thread: How to tell UNC from BSW?
by Chief Tiff- Replies
- 25
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- 11,036
Your cheap thread pitch gauge will almost...
Your cheap thread pitch gauge will almost certainly have a 60° thread angle unless it is specifically marked as BS or Whit. If you have both a BSW and a UNC tap try using them as thread gauges. Next...
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25th Oct 2015, 08:58 PM
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As Bollie says it is extremely unlikely that the...
As Bollie says it is extremely unlikely that the aluminium checker plate is actually welded to the steel trailer. There WILL be galvanic corrosion issues unless the two metals are either electrically...
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24th Aug 2015, 07:48 PM
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As Usee says you should be using tapered threads....
As Usee says you should be using tapered threads. Parallel threads on pipe system components rely on a separate face type seal such as a washer, the threads are there to hold it all together tightly...
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23rd Jul 2015, 07:47 PM
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Clearly I was wrong
Hmm, this is embarrassing, my knowledge of pipe clearly isn't what I thought it was. I just looked up the ASME charts for pipe and it clearly shows I was talking out of my bum :booboo:
My... -
23rd Jul 2015, 08:45 AM
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Sorry Al but I think you might be getting...
Sorry Al but I think you might be getting confused with tubing where the OD and wall thickness is specified; pipe is always Nominal Bore and the actual OD differs between the schedules.
The... -
22nd Jul 2015, 08:56 AM
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Have you considered poly water pipe? Same sizes...
Have you considered poly water pipe? Same sizes as steel pipe are available and you can mix and match with metal fittings without galvanic corrosion occurring. Best of al the joints can be done up by...
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19th May 2015, 12:53 PM
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Would love them for a precision router fence:D ...
Would love them for a precision router fence:D
Only joking; I'd love them but I'd feel bad if someone who could use them to their maximum potential lost out.
Hey, put me down as the first in... -
15th May 2015, 09:47 PM
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Hi Bob, The suggestions I made were based on...
Hi Bob,
The suggestions I made were based on the idea of deliberately keeping contaminants out of the bearings, not regularly replenishing the lubricant. The grease in sealed ball bearings will... -
15th May 2015, 05:38 AM
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Both bearings should have a single grease shield...
Both bearings should have a single grease shield fitted to the outer faces, this is to retain the grease and reduce the water ingress. There is no need for an escape route for B2. Give them a SMALL...
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7th May 2015, 08:02 AM
Thread: Auction label removal
by Chief Tiff- Replies
- 26
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- 8,217
WD40 seems to work on just about everything. I...
WD40 seems to work on just about everything.
I have metho, turps, acetone and cellulose thinners but WD40 is the first thing I go for. -
20th Apr 2015, 10:02 PM
Thread: Aldi Specials...Die grinder & stuff
by Chief Tiff- Replies
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- 4,662
Don't mix them. You wouldn't trust a 6mm bit in a...
Don't mix them. You wouldn't trust a 6mm bit in a 1/4" router collet; and that's a machine which keeps some distance between the cutters and your fingers. A die grinder spins at similar speeds but is...
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4th Mar 2015, 09:14 PM
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Looks like the template holder from a copy lathe....
Looks like the template holder from a copy lathe. If it is it'll be pretty useless unless you can find the rest of the lathe to go with it!
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28th Feb 2015, 06:42 PM
Thread: What could this piston be out of?
by Chief Tiff- Replies
- 25
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- 7,645
If it's cast iron then I reckon it's out of a...
If it's cast iron then I reckon it's out of a single lung horizontal oil fired engine (diesel engine but running on light oil). These monsters were slow speed, only around 400rpm tops, long stroke...
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22nd Feb 2015, 09:51 PM
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Very interesting, will be keeping an eye on your...
Very interesting, will be keeping an eye on your WIP.
Thanks for sharing, I like the way you are showing all your special little fittings and fixtures, I too have spent many hours making jigs and... -
11th Nov 2014, 10:38 PM
Thread: Best place for reamers?
by Chief Tiff- Replies
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Aliexpress. 9 reamers in a set covering from 1/4"...
Aliexpress. 9 reamers in a set covering from 1/4" - 1/2", $38 US including shipping. Probably identical to your mates Chinese set. Just search for "adjustable reamer" and you'll get over 200 hits you...
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16th Feb 2014, 07:52 PM
Thread: Table saw for metal lathe
by Chief Tiff- Replies
- 26
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- 13,391
Aren't there now thin kerf reverse rake TCT...
Aren't there now thin kerf reverse rake TCT circular saw blades specifically designed for use in circular saws to cut sheet metal? There are also some bloody good recip saw blades out there; we use...
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4th Feb 2014, 01:49 PM
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Sebastian, just had a thought on how you can make...
Sebastian, just had a thought on how you can make these yourself to whatever size and profile you like; but only if you have access to a metal lathe.
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4th Feb 2014, 12:24 PM
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Not on timber, no. I've only ever made simple...
Not on timber, no. I've only ever made simple ones for drilling into ally and brass for one-off applications where proper tooling wasn't available. My thoughts were along the lines of the edges...
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4th Feb 2014, 10:19 AM
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I suspect the 0.05mm accuracy required refers to...
I suspect the 0.05mm accuracy required refers to the grind on the drill not the finished wooden product. This is the accuracy required for each cutting edge on a standard 2-flute drill to get...
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1st Feb 2014, 02:33 PM
Thread: Which Tap & Die set to purchase?
by Chief Tiff- Replies
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- 46,649
Not at all; Whitworth was the first common thread...
Not at all; Whitworth was the first common thread with specific standardised sizes; it was a logical and desperately needed outcome of the Industrial Revolution.
It also had a couple of drawbacks:... -
1st Feb 2014, 11:10 AM
Thread: Which Tap & Die set to purchase?
by Chief Tiff- Replies
- 80
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- 46,649
Metric and Unified are 60 degree threads. Unified...
Metric and Unified are 60 degree threads. Unified are UNC, UNF and NPT (US pipe thread)
Whitworth threads are 55 degree; these are Whit, BSW, BSC (different name, same threads), BSF and BSP... -
6th Nov 2013, 02:45 PM
Thread: Bank charges
by Chief Tiff- Replies
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Hi Barry; I can highly recommend HSBC. I've...
Hi Barry;
I can highly recommend HSBC. I've been with them for the best part of 15 years and have never paid a cent for any form of banking fees other than international money transfers. I have... -
5th Nov 2013, 11:18 AM
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Whatever style you pick I would only go for...
Whatever style you pick I would only go for either LED or halogen light source. Flouro's aren't used in workshops or anywhere with rotating machinery as they have a strobe effect and at certain...
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31st Oct 2013, 08:49 PM
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RTV? Is this stuff solid then? I'm used to HTC...
RTV? Is this stuff solid then?
I'm used to HTC (heat transfer compound) which looks and feels like silicone grease but it doesn't solidify. It's used for mounting transistors onto heat sinks etc. -
26th Oct 2013, 11:00 PM
Thread: Trying to drill Very hard metal
by Chief Tiff- Replies
- 19
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- 10,200
I was surprised that the cobalt drill didn't...
I was surprised that the cobalt drill didn't touch it... then I read "Sutton". I have standard HSS drills that cut through 304 and 316 cleaner than Sutton cobalt. And don't go blunt in the process....
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20th Oct 2013, 07:17 PM
Thread: Widgets for sale
by Chief Tiff- Replies
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The seller assured me so; he said he was...
The seller assured me so; he said he was chartering the fastest steam packet ever to come out of Burma.
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19th Oct 2013, 08:19 PM
Thread: Widgets for sale
by Chief Tiff- Replies
- 7
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- 4,118
I'm fine for widgets but I could with some tuits;...
I'm fine for widgets but I could with some tuits; specifically round ones. I ordered some online but they are taking forever to arrive from Siam.
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19th Oct 2013, 07:32 AM
Thread: Wiring junctions?
by Chief Tiff- Replies
- 6
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- 7,125
Ah; that's what you were after; Pommy domestic...
Ah; that's what you were after; Pommy domestic components! I thought you were looking for IP-rated external stuff.
It's funny; when you mentioned the slotted brass barrel nuts I was actually... -
18th Oct 2013, 11:12 PM
Thread: Wiring junctions?
by Chief Tiff- Replies
- 6
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- 7,125
RS components and CNW stock junction boxes...
RS components and CNW stock junction boxes including Ex rated for explosive atmospheres; I'll try to remember to look tomorrow to see what brand our boxes are; they are black bakelite type material,...
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10th Oct 2013, 09:08 AM
Thread: Acronym dictionary
by Chief Tiff- Replies
- 16
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It's absolutely stuffed with TLA's* ...
It's absolutely stuffed with TLA's*
*Three Letter Abbreviation -
27th Sep 2013, 09:34 PM
Thread: Trunnions on small brass cannon
by Chief Tiff- Replies
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- 5,842
If you drill and silver solder them in you'll get...
If you drill and silver solder them in you'll get an invisible joint when polished. Done many shiny brass jobs like that and no-one can see the join when polished, even when they know where the join...
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25th Aug 2013, 11:25 PM
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Do you have a heat source like a small blow...
Do you have a heat source like a small blow torch?
Soft solder it onto a bigger bit of steel or brass; something that you jam into your dividing head jaws with impunity or clamp down onto a drill... -
24th Aug 2013, 10:39 PM
Thread: Best way to store morse taper drills
by Chief Tiff- Replies
- 9
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- 6,602
Easiest: A piece of ply with stopped grooves...
Easiest: A piece of ply with stopped grooves routed in it so each one can hold a drill bit.
Better: Two pieces of ply, the grooves cut mirror imaged; now you have a lid.
Bestest: Nail a pair... -
21st Jul 2013, 01:22 PM
Thread: Mounting bench grinders
by Chief Tiff- Replies
- 25
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- 14,631
Back to your original ideas, I personally would...
Back to your original ideas, I personally would build number four in your sketch; the cabinet that allows you to chop and change grinders and stores the unused ones underneath. I have seen a similar...
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20th Jul 2013, 10:12 AM
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I noticed in Bunnies the other day that there...
I noticed in Bunnies the other day that there were selling something that may be suitable? Slotted angle, slotted RHS and some pretty ally RHS with plastic knock in fittings that make skeletal frames...
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31st Mar 2013, 10:21 AM
Thread: A Boys Dreams does come true
by Chief Tiff- Replies
- 80
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It looks rather big and chunky to be a drive pin...
It looks rather big and chunky to be a drive pin for a lathe dog; could it be a boring button also?
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9th Feb 2013, 07:41 AM
Thread: 3/4 drive socket set brands?
by Chief Tiff- Replies
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- 5,193
I use a big Sidchrome set at work; good sockets...
I use a big Sidchrome set at work; good sockets but the ratchet is the biggest piece of excrement to have ever defiled the planet. So, just like all Sidchrome ratchets.
I'm looking at Kinchrome or... -
4th Feb 2013, 07:43 AM
Thread: Steel Roller Question
by Chief Tiff- Replies
- 21
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- 12,084
If you can read the bearing number look it up on...
If you can read the bearing number look it up on the manufacturer's website. SKF, FAG, NSK etc all give performance data for their products including max rpm.
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1st Nov 2012, 10:14 PM
Thread: Gedore 80mm Ratchet Ring Spanner
by Chief Tiff- Replies
- 8
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- 6,775
An 80mm spanner would fit an M50 threaded bolt. ...
An 80mm spanner would fit an M50 threaded bolt.
Or you could make a 2" Unified with a slightly bigger head; normally it would have a 3" AF hex head (75mm). It all depends on what you have... -
30th Oct 2012, 09:36 AM
Thread: How to bend 10mm or 12mm steel tube
by Chief Tiff- Replies
- 8
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- 10,328
The Rigid/Swagelok benders I use at work for 1/2"...
The Rigid/Swagelok benders I use at work for 1/2" hardened SS tube with a wall thickness of 0.08"/2mm bend to a radius of 1 1/2" (3X diameter). They are spectacularly easy to use and calculating...
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29th Oct 2012, 10:02 AM
Thread: Problems with forum contact
by Chief Tiff- Replies
- 7
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Since the forum upgrade the problem with IE9 has...
Since the forum upgrade the problem with IE9 has got worse. I'm a complete halfwit when it comes to computer programmes so I don't understand what the problems are; however enough clued up forum...
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29th Oct 2012, 08:52 AM
Thread: How to bend 10mm or 12mm steel tube
by Chief Tiff- Replies
- 8
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Your biggest problem will be the tube kinking or...
Your biggest problem will be the tube kinking or splitting at the bend point; it all depends on how thin walled the tubing is. Start by getting hold of a QUALITY tube bender; I would recommend ones...