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15th Dec 2023, 05:35 AM
Thread: Advice needed on fastener type
by browny- Replies
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- 1,645
The flooring adhesives I've used are a lot more...
The flooring adhesives I've used are a lot more flexible than liquid nails. More similar to the type of caulk used in an expansion joint.
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13th Dec 2023, 05:25 AM
Thread: Advice needed on fastener type
by browny- Replies
- 25
- Views
- 1,645
That is a good point, although I'd use a flooring...
That is a good point, although I'd use a flooring adhesive as they allow some flexibility vs liquid nails.
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12th Dec 2023, 06:11 PM
Thread: Advice needed on fastener type
by browny- Replies
- 25
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- 1,645
x3 for teks
x3 for teks
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28th Nov 2023, 05:34 AM
Thread: Free: Bridgeport Electricals
by browny- Replies
- 4
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- 1,353
NSW Sorry these went to another member.
Sorry these went to another member.
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7th Nov 2023, 03:55 AM
Thread: Hafco EB-320 bandsaw - eating blades
by browny- Replies
- 16
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- 1,328
I have a much smaller, crapper Hafco saw. All my...
I have a much smaller, crapper Hafco saw. All my blades end up cracked like that but that is after years of service. I once looked up some troubleshooting and cracking is associated with overtension...
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16th Oct 2023, 05:18 AM
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I reckon it will be very difficult to weld and...
I reckon it will be very difficult to weld and the wire will melt back before you form a bead on the base metal. Could only see it working if the wire does not see the arc and you are fusing it to...
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15th Oct 2023, 10:10 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
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- 1,725
I'm at the point where I need to buy a boring...
I'm at the point where I need to buy a boring head.
404100 -
15th Oct 2023, 10:06 AM
Thread: Ned Kelly letterbox gone rusty.
by browny- Replies
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- 794
I was going to suggest that too, although I have...
I was going to suggest that too, although I have no idea of availablity. Must not be too hard to get as there is an eccentric looking diy build down from where I work that has been clad in it.
Not... -
6th Oct 2023, 04:36 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
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- 1,725
Thanks to everyone for the input. I'll start...
Thanks to everyone for the input. I'll start chipping away at it.
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4th Oct 2023, 10:34 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
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- 1,725
Ok. I had only thought of this as a completed...
Ok. I had only thought of this as a completed weldment. I hadn't considered facing before welding the mitre.
That doesn't actually change my proposed fabrication sequence by much because I was... -
4th Oct 2023, 07:06 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
- Views
- 1,725
I had thought of a joint but I think it would be...
I had thought of a joint but I think it would be more trouble than it's worth.
I wouldn't get too hung up on tolerances. All the available information relating to accuracy is about the end result... -
3rd Oct 2023, 03:30 PM
Thread: How do I machine this feature?
by browny- Replies
- 22
- Views
- 1,725
That's the million dollar question that I don't...
That's the million dollar question that I don't know the answer to. There is some error correction built into the software that eventually controls this thing and I believe it works pretty well but...
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3rd Oct 2023, 10:28 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
- Views
- 1,725
I've previously had a quick look for when the day...
I've previously had a quick look for when the day came and I needed one. Idea was to go for a generic insert type such as 'NBH2084' but I'll take any recommendations on board.
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3rd Oct 2023, 09:13 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
- Views
- 1,725
Cheers. Just flicked through a YouTube vid. ...
Cheers. Just flicked through a YouTube vid.
Looks like I need to add a boring head to the shopping list. -
3rd Oct 2023, 08:32 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
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- 1,725
So if I cut the centre hole and then gradually...
So if I cut the centre hole and then gradually widen the recess out to 112mm at whatever DOC the boring head will allow. That gets it done?
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3rd Oct 2023, 08:16 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
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- 1,725
On the lathe? Don't forget I'd like to have it...
On the lathe? Don't forget I'd like to have it welded to the SHS before machining. So that requires a lot of swing.
Or a boring head on the mill? I've no experience with a boring head so not sure... -
3rd Oct 2023, 06:38 AM
Thread: How do I machine this feature?
by browny- Replies
- 22
- Views
- 1,725
How do I machine this feature?
Folks,
I'm just about to embark on a secret project that involves some machining.
I'm a newby and find my most common struggles are sequencing and set up.
I want to make this weldment:
... -
9th Sep 2023, 07:28 AM
Thread: Gantry crane for 4 post car lift
by browny- Replies
- 4
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- 547
Actually I think the photos just give the...
Actually I think the photos just give the illusion that the channel is light weight when it is actually very substantial. The rolling bridges are rated at tonnes of capacity.
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9th Sep 2023, 06:45 AM
Thread: Gantry crane for 4 post car lift
by browny- Replies
- 4
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- 547
I would say your rated capacity will be limited...
I would say your rated capacity will be limited to whatever the transmission jack system is rated for. The rail looks pretty light, similar to unistrut and it might be your limiting factor.
I... -
9th Sep 2023, 06:01 AM
Thread: Do I need a lathe that can cut threads?
by browny- Replies
- 15
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- 1,437
For mine the whole purpose of owning a lathe is...
For mine the whole purpose of owning a lathe is the flexibility to cover a wide range of operations and one of the wonderful things is the ability to cut whatever thread, whenever and wherever you...
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30th Aug 2023, 08:10 PM
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- 25
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- 1,967
Isopropyl alcohol
Isopropyl alcohol
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29th Aug 2023, 06:55 AM
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- 25
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- 1,967
Evaporust is designed for the item to be...
Evaporust is designed for the item to be immersed. I think there is even a statement somewhere that it doesn't work otherwise. I have found the CRC branded product to be amazing.
There is a CRC... -
21st Aug 2023, 08:09 PM
Thread: Stainless steel long pipe supplier?
by browny- Replies
- 8
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- 616
I've bought from these guys before. They're not...
I've bought from these guys before. They're not really set up for counter sales i.e. minimum order cost, awkward counter times, not really interested, but they will do it. Only felt like I was being...
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17th Aug 2023, 10:19 AM
Thread: Woodruff Cutter Tolerances
by browny- Replies
- 4
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- 374
Your suggestion is one of the options I'd come up...
Your suggestion is one of the options I'd come up with however my reservation is that I have no tool grinding experience so could easily end up with a disaster.
Send it back is another option... -
17th Aug 2023, 08:33 AM
Thread: Woodruff Cutter Tolerances
by browny- Replies
- 4
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- 374
Woodruff Cutter Tolerances
I'm currently replacing a Bridgeport power feed with a servo style unit (the original power feed has been gutted with a number of critical parts missing).
To do this I have stripped the Bridgeport... -
4th Aug 2023, 06:39 AM
Thread: Field Drill and Tap M24
by browny- Replies
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- 666
Yeah, right, the range of mag drills goes to much...
Yeah, right, the range of mag drills goes to much larger than what is currently at the job site. Holemaker has one that claims to be capable of M33 in a blind hole.
The base design may not... -
3rd Aug 2023, 11:24 PM
Thread: Field Drill and Tap M24
by browny- Replies
- 6
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- 666
Field Drill and Tap M24
Folks,
I'm currently working on a project that has encountered an issue with a fabricated item. One option to overcome the issue is to drill and tap some blind M24 holes. For various reasons this... -
25th Jul 2023, 08:14 PM
Thread: Trying to find 3/8" 18 TPI bolt
by browny- Replies
- 18
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- 1,658
I am having trouble picturing this but something...
I am having trouble picturing this but something that is the shape of a proper lifting eye (or the proper tool) is what you should aim for. You want the bolt loaded axially so it is in tension. You...
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25th Jul 2023, 07:42 PM
Thread: Trying to find 3/8" 18 TPI bolt
by browny- Replies
- 18
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- 1,658
The breaking load of a 5/16 NC grade 5 bolt is...
The breaking load of a 5/16 NC grade 5 bolt is 28kN (2.8t) or grade 8 is 31kN (3.1t).
I think you would need to do something silly to have a problem lifting 200kg. -
23rd Jul 2023, 09:05 AM
Thread: DIY Lathe, don't roll your eyes...
by browny- Replies
- 64
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- 3,336
I second Karl and Jekyl's comments. I also...
I second Karl and Jekyl's comments.
I also watched the linked YouTube. Apparently that was $800EUR worth of bits. There is no doubting that what he made with only a grinder and battery drill was... -
22nd Jul 2023, 06:10 PM
Thread: DIY Lathe, don't roll your eyes...
by browny- Replies
- 64
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- 3,336
I'm not suggesting you buy that exact machine but...
I'm not suggesting you buy that exact machine but if it exists in Newcastle then you will find something similar in Brisbane.
You do not need three phase to run a three phase machine. For $1-300... -
22nd Jul 2023, 04:28 PM
Thread: DIY Lathe, don't roll your eyes...
by browny- Replies
- 64
- Views
- 3,336
https://www.facebook.com/marketplace/item/80813753...
https://www.facebook.com/marketplace/item/808137537481598/?ref=search&referral_code=null&referral_story_type=post
This is $3850, 800 long and 380 in the gap. Even if it has been worked to death I... -
22nd Jul 2023, 02:15 PM
Thread: DIY Lathe, don't roll your eyes...
by browny- Replies
- 64
- Views
- 3,336
What is the plan for all of the mechanical parts...
What is the plan for all of the mechanical parts (headstock, feed gearbox etc) and all the precision machining required to make this worthwhile?
TBH if you could buy what you wanted for $10k then... -
15th Jul 2023, 07:49 AM
Thread: Making a hydraulic load tester
by browny- Replies
- 8
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- 640
To be honest I don't think the material testing...
To be honest I don't think the material testing idea is feasible. These are so many definitions of 'strength' to start with. How are you going to assess stiffness vs ultimate strength? Being a...
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14th Jul 2023, 09:49 PM
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There are all sorts of face mills that will fit...
There are all sorts of face mills that will fit that arbor. Anything with a 22mm bore is probably going fit.
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12th Jul 2023, 06:11 PM
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I'm kind of guessing here but if you go shopping...
I'm kind of guessing here but if you go shopping on AliExpress:
$100 per scale (x3)
$1-200 for the dro
$200+ for a power feed
You will need to put in the time to work out how to drive... -
6th Jul 2023, 07:27 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
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- 2,979
That sounds familiar... I would think that...
That sounds familiar...
I would think that using the lid to support components is generally not great because it makes access more difficult.
Instead of a tank that is totally integrated and... -
3rd Jul 2023, 05:15 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
- Views
- 2,979
BTW I checked the thickness of my brick saw tray...
BTW I checked the thickness of my brick saw tray that I had dipped. Est. 3mm. It warped.
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3rd Jul 2023, 05:10 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
- Views
- 2,979
It there any reason you can't manifold your pipes...
It there any reason you can't manifold your pipes so that your tank is then the same as a single tower setup?
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2nd Jul 2023, 07:40 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
- Views
- 2,979
I assume you aren't the only person doing this....
I assume you aren't the only person doing this. What does everyone else use?
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1st Jul 2023, 08:25 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
- Views
- 2,979
Another option could be to make the structure out...
Another option could be to make the structure out of whatever you want and insert a liner.
This all feels like guesswork though. I think you need to provide a better explanation of what you are... -
1st Jul 2023, 06:50 PM
Thread: Hydroponic nutrient gal tank design
by browny- Replies
- 57
- Views
- 2,979
Your experience may vary but around here the...
Your experience may vary but around here the minimum galvanising charge is about $200 bucks. Sheet will also warp like crazy when they put it on the bath.
TBH I really don't like silicone. I'd... -
28th Jun 2023, 07:36 PM
Thread: Magpro 33pc Metric 5C Collect Set
by browny- Replies
- 0
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- 827
NSW Magpro 33pc Metric 5C Collect Set
Just got home to find my order from Magpro has arrived. Yay.
Not so good is that I've managed to order a set of 5C collets rather than R8.
The box is heavy so I assume Aust Post won't miss me... -
25th Jun 2023, 09:53 AM
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- 2,422
I have always wanted a baby beam wrench for...
I have always wanted a baby beam wrench for bicycle work but could never justify the cost. I should keep an eye on Gumtree.
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25th Jun 2023, 05:27 AM
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- 7,862
I tried this. It sort of works. My main issue...
I tried this. It sort of works.
My main issue is that once I worked around the tiny vice and all the limitations of the geometry of the setup, it only left an effective work envelope of maybe... -
25th Jun 2023, 04:22 AM
Thread: Headroom to lift a knee mill
by browny- Replies
- 33
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- 3,281
Only a generic face mill stuck in the spindle.
Only a generic face mill stuck in the spindle.
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24th Jun 2023, 08:56 PM
Thread: Headroom to lift a knee mill
by browny- Replies
- 33
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- 3,281
An update to provide closure. Mill was...
An update to provide closure.
Mill was eventually dropped off at the end of the driveway after the Hiab got stuck down the driveway and took out a section of my fence getting back out (that is... -
9th Jun 2023, 07:17 PM
Thread: Advice needed for my DIY traction device
by browny- Replies
- 8
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- 805
This thread has a one post wonder feel about it....
This thread has a one post wonder feel about it. Will we hear from the OP again?
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8th Jun 2023, 08:20 PM
Thread: Advice needed for my DIY traction device
by browny- Replies
- 8
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- 805
Pretty much what Marc said. It looks very...
Pretty much what Marc said.
It looks very simple, so when you ask how to go about it, it makes me wonder if this is really within your capability?
TBH my first reaction is you should just buy... -
2nd Jun 2023, 08:04 PM
Thread: 50x2mm carport post advice?..
by browny- Replies
- 49
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- 3,737
Not really because it is only the outside skin...
Not really because it is only the outside skin that does the work in bending. The metal at the centreline does exactly zero. You still have 2mm of wall actually doing anything.
The benefit from...