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24th Jul 2020, 08:04 PM
Thread: Home built toolpost grinders
by nearnexus- Replies
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What the hell has that got to do with chatter ? ...
What the hell has that got to do with chatter ? Get real. You would see it in the grinding pattern first up and secondly it should NEVER happen given the very light pressures involved. LOL How...
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24th Jul 2020, 07:09 PM
Thread: Home built toolpost grinders
by nearnexus- Replies
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I don't know what you are doing wrong, but I have...
I don't know what you are doing wrong, but I have NEVER had chatter with any of my TPG's. TPG's after all are only kissing the work surface, so you must be really butchering/loading up the grinding...
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23rd Jul 2020, 08:50 PM
Thread: Home built toolpost grinders
by nearnexus- Replies
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The problem with standard sized TPG's is that...
The problem with standard sized TPG's is that they really only suit a lathe larger than 10" swing to allow accurate centre line alignment on the toolpost top slide.
So smaller home made TPGs are... -
16th Jul 2020, 10:06 AM
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You won't get as good a finish as in your picture...
You won't get as good a finish as in your picture with those Smith & Arrow discs, but I find them very useful for getting into corners, reducing, facing.
Larger wider stones tend to be a bit... -
16th Jul 2020, 09:25 AM
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As far as I'm aware the early Waldown C0 didn't...
As far as I'm aware the early Waldown C0 didn't have a belt guard. Mine certainly does not and there is no provision for one.
I don't see any serious injury occurring as the motor head is spring... -
12th Jul 2020, 09:37 AM
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You may have bought the wrong version for your...
You may have bought the wrong version for your jack pin body type. They do a version with a tapered internal hole/face which would allow some pins to go in further (depending on diameter).
Maybe... -
16th May 2020, 10:51 AM
Thread: cracked casting... best plan of attack
by nearnexus- Replies
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I totally agree with Grahame on this. Braze it....
I totally agree with Grahame on this. Braze it. You are unlikely to get distortion from shrinkage with brazing and should get 100% bond coverage if done correctly.
Just be aware that bronze... -
8th May 2020, 08:57 PM
Thread: Home made boring bar
by nearnexus- Replies
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Yes. Should be fine.
Yes. Should be fine.
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14th Feb 2020, 09:20 AM
Thread: What oil to lubricate Lathe?
by nearnexus- Replies
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Same here. Works fine. I know people that...
Same here. Works fine.
I know people that use Canola oil on the ways as they are allergic to petro chemicals. Also works fine.
Wipe and replace regularly and they all work better ;) -
12th Feb 2020, 08:20 AM
Thread: Electrolysis and Lathe Parts.
by nearnexus- Replies
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The positive plate (anode) that receives the rust...
The positive plate (anode) that receives the rust is sacrificial and will be eaten away during the process.
Provided the bath tub is not positively connected/charged there should be no detrimental... -
10th Feb 2020, 03:23 PM
Thread: Electrolysis and Lathe Parts.
by nearnexus- Replies
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- 7,817
Electrolysis will work fine, however it will...
Electrolysis will work fine, however it will leave a black oxide finish which then has to be removed with a wire wheel or acid. I have successfully used Sulfamic acid to wash away the black residue...
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10th Feb 2020, 03:03 PM
Thread: Removing valve handle - ideas
by nearnexus- Replies
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I would also go the heat route, but be VERY...
I would also go the heat route, but be VERY careful temp wise as brass will melt/deform easily.
You can see where the brass has been spread though earlier pressing/hammering efforts, so it's... -
14th Nov 2019, 09:00 AM
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Not just the kids. Drive past any bus stop and...
Not just the kids. Drive past any bus stop and see who is glued to their mobile. It's also interesting to see how mobile device use (phones, tablets etc) have now equaled and even passed PC use for...
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5th Nov 2019, 10:08 PM
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Mine is only half height. I have seen those...
Mine is only half height. I have seen those racks broken at times, mainly from having them too tight in the top and bottom retaining rings when swinging the plate/rest side to side. It should...
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5th Nov 2019, 12:30 PM
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The fact that aftermarket metal gears are being...
The fact that aftermarket metal gears are being sold, suggests that all is not well in BV20 gearbox land ;)
Terminal destruction is something we can all well do without though.
Cheers Rob -
5th Nov 2019, 10:09 AM
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I've been looking at/for a mill for a long time....
I've been looking at/for a mill for a long time.
Space is the issue at the moment and the medium sized ones would probably do most of the model making sized work I would need.
Those BV20 sized... -
5th Nov 2019, 08:50 AM
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I'm one of those guys that leaves the drill press...
I'm one of those guys that leaves the drill press in bottom gear all the time. I never use it for woodwork and slow is good for metal drilling.
To each their own method I guess.
The main... -
4th Nov 2019, 07:03 PM
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Don't buy anything (regardless of brand name)...
Don't buy anything (regardless of brand name) unless it has a rotary table and a column rack.
The rotary table enables you to swing the work on two axis and accurately position it under the drill... -
4th Nov 2019, 11:10 AM
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If anyone else would like a copy of the small...
If anyone else would like a copy of the small Waldown "0" manual (it's scanned pages, not a pdf) send me a request through regular email at: [email protected]
Makes it easier for me to... -
4th Nov 2019, 09:17 AM
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Hi Grahame, I was looking at the data more as...
Hi Grahame,
I was looking at the data more as a hobby/interest in the community, but I see your point.
I would be interested to see the age data of forum members for similar groupings.
I... -
4th Nov 2019, 08:05 AM
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The future of metal work in the community
Hi all,
I don't usually promote videos in this forum, but the following data may be of interest to members in this particular case.
https://www.youtube.com/watch?v=4-F6e-fxScM
The viewer... -
3rd Nov 2019, 09:41 AM
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One other VERY important thing I should mention....
One other VERY important thing I should mention.
When grinding you should not have ANY float in the cross slide as the finish will ultimately depend on the rigidity/position of the grinding... -
3rd Nov 2019, 09:21 AM
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Stones/wheels are available from abrasive...
Stones/wheels are available from abrasive suppliers. Make sure the speed ratings are suitable as speeds can get very high.
You will also need to buy a dressing stone (single point diamond) to... -
3rd Nov 2019, 08:45 AM
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Hi Greg, You can buy the fabric belts from...
Hi Greg,
You can buy the fabric belts from Brobo Waldown: Brobo – Lifetime of Reliability
The C0 I have is fitted with a two step drive pulley on the motor.
The two quills supplied each... -
29th Oct 2019, 03:17 PM
Thread: Extend thread on a socket head bolt
by nearnexus- Replies
- 22
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- 6,752
You don't. You use a collet to hold it, but you...
You don't. You use a collet to hold it, but you don't have collets I expect, like 90% of lathe owners out there.
So your next best method is to get/make some vice jaw plates with a "V" cut into... -
23rd Oct 2019, 09:19 AM
Thread: Quality rotary wire brush
by nearnexus- Replies
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Totally agree with you Grahame. SIT are...
Totally agree with you Grahame.
SIT are excellent product. Have used them for many years. I have always got them from Blackwoods.
There used to be a guy who made many types locally (20... -
16th Oct 2019, 08:42 AM
Thread: Making a workshop apron
by nearnexus- Replies
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I use a plain cheap hide welders apron from BOC...
I use a plain cheap hide welders apron from BOC Gases. Works great as it protects your clothes from dirt/steel bits/burns etc when grinding, buffing, welding, turning.
The main issue is that they... -
10th Oct 2019, 07:51 PM
Thread: Bronze or brass
by nearnexus- Replies
- 13
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It's a totally different product to regular high...
It's a totally different product to regular high temp grease.
It has a metallic/possibly graphite component that forms a bonded surface layer with steel, bronze etc. So it stays in place and... -
10th Oct 2019, 09:55 AM
Thread: Bronze or brass
by nearnexus- Replies
- 13
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- 3,815
Not all grease. Try this stuff: ...
Not all grease. Try this stuff: ...
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8th Oct 2019, 06:45 PM
Thread: What weight hammer?
by nearnexus- Replies
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- 4,416
I think we all have a "go to" hammer that is...
I think we all have a "go to" hammer that is comfortable for most jobs.
Sure the big mothers are better for heavy work, but that's the exception I find.
So the weight really depends on your... -
4th Oct 2019, 09:54 AM
Thread: Gibb Strip
by nearnexus- Replies
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I've only ever seen them made from cast steel. ...
I've only ever seen them made from cast steel. They were not cast iron as you can bend them cold a limited amount for a permanent set. Cast iron can flex cold to a limited degree, but needs heat...
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27th Sep 2019, 07:06 PM
Thread: Brazing Carbide Tips
by nearnexus- Replies
- 9
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- 1,531
As you are using oxy/acetylene there is no point...
As you are using oxy/acetylene there is no point in going silver solder. The high silver content rods you will need for the steel base are very expensive and the bond will be weaker than manganese...
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27th Sep 2019, 10:45 AM
Thread: Brazing Carbide Tips
by nearnexus- Replies
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- 1,531
Capillary action should get into the join OK. ...
Capillary action should get into the join OK. Be aware that the strongest braze joint has the smallest filler thickness - bronze braze gets weaker as the filler gets thicker. So less is better.
... -
30th Aug 2019, 10:02 AM
Thread: Cold saw vs bandsaw
by nearnexus- Replies
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The only jamming issue I've had with my old...
The only jamming issue I've had with my old Taiwanese metal bandsaw has been with very thick solid aluminium stock. You MUST use lube or it It will jamb and throw the blade every time.
With lube... -
28th Aug 2019, 07:55 PM
Thread: Cold saw vs bandsaw
by nearnexus- Replies
- 20
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- 5,303
Going on the saws used at my metal suppliers to...
Going on the saws used at my metal suppliers to cut steel, cold saws seem to be limited in what they can cut. For heavy stock they always use a bandsaw where I go.
There's no reason why any... -
27th Aug 2019, 02:06 PM
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OK. I would expect that sized lathe to use 16 mm...
OK. I would expect that sized lathe to use 16 mm tooling. So it sounds like the QCTP is smaller than it can actually take.
With larger tooling the two factors are the side overhang, and the... -
27th Aug 2019, 01:53 PM
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Pictures of what ?
Pictures of what ?
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27th Aug 2019, 01:48 PM
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Yes. Everyone asks questions throughout their...
Yes.
Everyone asks questions throughout their life. That's how we learn. It's a sensible question.
Just out of interest what is the lathe swing and length.
Cheers Rob -
11th Jul 2019, 08:55 PM
Thread: Flame licker
by nearnexus- Replies
- 21
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- 4,361
Ha Ha. I guess the sleeper cab came in handy ;)...
Ha Ha. I guess the sleeper cab came in handy ;)
The fact is that small lathes are made for small jobs and vice versa. My bro inlaw has a monster 14" swing McPherson that would have to be the... -
11th Jul 2019, 08:20 PM
Thread: Flame licker
by nearnexus- Replies
- 21
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- 4,361
I suppose you could go shopping in a Mack truck. ...
I suppose you could go shopping in a Mack truck. But would you want to ?
Show me the proof and I might believe you.
Cheers Rob -
11th Jul 2019, 07:27 PM
Thread: Flame licker
by nearnexus- Replies
- 21
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- 4,361
My flame licker didn't run but my home brew...
My flame licker didn't run but my home brew Stirling runs a treat.
https://www.youtube.com/watch?v=8oKuHXh8x7E
I did a few mods to it to extend the run time.
... -
29th Jun 2019, 05:23 PM
Thread: TAIG Micro Lathe - Motor Set Up
by nearnexus- Replies
- 7
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- 3,168
Yes, I agree. As you are grinding you don't need...
Yes, I agree. As you are grinding you don't need a lot of headstock power, as you are only kissing the work.
Having said that there are two cost effective options as I see it.
1) Get a 110/220... -
29th Jun 2019, 04:48 PM
Thread: TAIG Micro Lathe - Motor Set Up
by nearnexus- Replies
- 7
- Views
- 3,168
A 240 volt Taig motor is listed by Taig...
A 240 volt Taig motor is listed by Taig Australia:
Replacement variable speed motor [6-6000] - $579.00 : Taig Australia, Lathes, Milling Machines and Accessories
Taig IS a real lathe and highly... -
20th Jun 2019, 07:57 PM
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AHHH. Another Linux user ;) Good to see. ...
AHHH. Another Linux user ;) Good to see.
Long time Mint user. Mint 19 in Mate is my current choice. LXDE has also been excellent.
I fully agree with your suggestions. No drama with Yahoo.... -
19th Jun 2019, 01:09 PM
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I have no experience with that lathe. My...
I have no experience with that lathe.
My course of action would be to contact the Yahoo 9x20 group and ask the "how" question there.
... -
18th Jun 2019, 08:24 PM
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It's the backlash adjusting screw. Check page...
It's the backlash adjusting screw.
Check page 19 of the following pdf:
http://content.jettools.com/assets/manuals/321155K_man_EN.pdf -
26th Feb 2019, 09:06 PM
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Looks like you are right on that. I just checked...
Looks like you are right on that. I just checked half a dozen different SS kitchen knives and they are all magnetic. It definitely comes as round stock. I've machined it quite a few times. It's...
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26th Feb 2019, 04:41 PM
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Deleted. Dual post.
Deleted. Dual post.
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26th Feb 2019, 04:39 PM
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If a magnet sticks to it, it is quite likely that...
If a magnet sticks to it, it is quite likely that it will lightly rust in certain conditions.
The often heard cry that stainless steel is all non magnet is total BS, but don't let that get in the... -
10th Dec 2018, 03:59 PM
Thread: Squirt bottles
by nearnexus- Replies
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- 17,201
Hey, thanks for that info. Looks good. ...
Hey, thanks for that info. Looks good.
They're just down the road from me.
I will check them out.
Cheers
Rob