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Type: Posts; User: Oldbikerider
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30th May 2022, 12:49 PM
Thread: UNIMIG razor 200 ac/dc tig welder
by Oldbikerider- Replies
- 15
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- 21,197
I have this machine, it came with a Jasic branded...
I have this machine, it came with a Jasic branded operator's manual. There are three tables of welding settings:
Welding current vs electrode diameter for steel using MMA (stick).
Parameters for... -
23rd Mar 2022, 10:27 AM
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Sold
This machine is now sold.
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3rd Dec 2021, 09:28 PM
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Yeah, I understand about the interstate travel....
Yeah, I understand about the interstate travel. Keep in touch, I've just paid for another month on Machines4U, but if it hasn't gone by the end of the year I probably won't re-advertise until...
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3rd Dec 2021, 09:45 AM
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Hi PDW. In the manual, the net weight is listed...
Hi PDW.
In the manual, the net weight is listed as 995kg, gross weight is 1199kg. So the grinder itself is under 1 tonne. I'm not sure exactly what makes up the difference between net and gross,... -
30th Nov 2021, 10:42 AM
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Price drop
This machine is now up on Machines4U at $3990, negotiable for a quick sale. I really need to reclaim the shed space.
It's a solid machine, and comes with a large magnetic base, seperate coolant... -
1st Nov 2021, 04:31 PM
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Price drop
Now that lockdowns are over, I'm keen to sell this machine. Price drop to $4,500, or make me a sensible offer.
Graham. -
3rd Feb 2021, 12:31 PM
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NSW. Elliott 921 Automatic Surface Grinder
I am reluctantly selling my Elliott 921 hydraulic surface grinder. I got it a few years ago together with a few other machines, but just don't have the room for it, and I desperately need to reclaim...
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28th Jan 2021, 07:36 PM
Thread: Removing rivets
by Oldbikerider- Replies
- 7
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- 1,219
Superglue the rivet and/or head in place, then...
Superglue the rivet and/or head in place, then drill out as usual.
Graham. -
8th Sep 2020, 06:41 PM
Thread: Herbert Nuttall lathe restoration
by Oldbikerider- Replies
- 36
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- 17,369
Yeah, the motor and gearbox mount is heavy and...
Yeah, the motor and gearbox mount is heavy and very clumsy, and means that the machine takes up twice the floor space - it hangs way out the back of the machine. I have an extreme space problem in my...
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7th Sep 2020, 08:29 PM
Thread: Herbert Nuttall lathe restoration
by Oldbikerider- Replies
- 36
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- 17,369
DrSven, That is looking great! You've...
DrSven,
That is looking great! You've encouraged me to get a move on with mine.
Graham. -
5th Sep 2020, 12:23 PM
Thread: Herbert Nuttall lathe restoration
by Oldbikerider- Replies
- 36
- Views
- 17,369
Mine sure is heavy, especially with its gearbox...
Mine sure is heavy, especially with its gearbox and motor mount, but maybe not 1.4t. The later models were geared head I think, so could well be this weight.
Dr Sven, I have a good photographic... -
11th Mar 2020, 12:30 PM
Thread: Herbert Nuttall lathe restoration
by Oldbikerider- Replies
- 36
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- 17,369
Wolsy, I have not made any progress on my 1941...
Wolsy,
I have not made any progress on my 1941 Nuttall lathe restoration. Things got very busy at work for me over the past couple of years, and I have not been in the workshop much at all, and not... -
5th Aug 2019, 11:02 AM
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Michael, Is that box is a wi-fi router as well...
Michael,
Is that box is a wi-fi router as well as a modem? If it has a wi-fi antenna inside then performance would be effected by the metal shelf and backing.
If it's just a modem, then ignore... -
7th Jun 2019, 11:30 AM
Thread: Wish me luck!
by Oldbikerider- Replies
- 10
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- 2,593
This is a situation where I would use the folded...
This is a situation where I would use the folded piece of rag trick to stop the drill from chattering, keep it on centre and keep the hole round.
Graham. -
2nd Jun 2019, 08:35 AM
Thread: John Heine 40c rotary shear
by Oldbikerider- Replies
- 6
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- 3,699
I'd definitely paint it now it's apart. There...
I'd definitely paint it now it's apart. There only appear to be 4 or 5 major pieces to paint. $40 of paint stripper, and $50 of colour matched enamel from Bunnings and you will have it looking like...
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10th May 2019, 03:37 PM
Thread: Surface Plate Stand Bracing
by Oldbikerider- Replies
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- 2,680
The two extra mounts are safety mounts and should...
The two extra mounts are safety mounts and should not be in contact with the plate, instead being set a mm or so clear. They are there to catch the plate should something heavy be placed in one...
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10th May 2019, 03:15 PM
Thread: Surface Plate Stand Bracing
by Oldbikerider- Replies
- 12
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- 2,680
I think the OP was asking about whether the frame...
I think the OP was asking about whether the frame should be braced, not whether the surface plate needs bracing. His frame appears to haver a nice three point mounting system for the surface plate,...
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10th May 2019, 12:50 PM
Thread: Surface Plate Stand Bracing
by Oldbikerider- Replies
- 12
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- 2,680
In my opinion that stand will be fine for a...
In my opinion that stand will be fine for a surface plate. It's not like you are putting a heavy rotating machine on it. A surface plate by definition is dead, inert and motionless :)
The frame is... -
7th May 2019, 10:39 AM
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I'd just get one of those magnetic spirit levels...
I'd just get one of those magnetic spirit levels and attach it to the bottom edge of the table, then slide the table until it's level and bolt it down.
Graham. -
2nd May 2019, 06:45 PM
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Thanks Elan, I had left that pun for someone else...
Thanks Elan, I had left that pun for someone else to pick up. And you did!
Graham. -
2nd May 2019, 06:42 PM
Thread: Lathe 3-jaw Chuck Wear
by Oldbikerider- Replies
- 17
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- 3,890
How would you reference the grinding to the teeth...
How would you reference the grinding to the teeth on the chuck? Or are you suggesting to just take an even amount off the jaw holding faces?
Graham. -
2nd May 2019, 02:02 PM
Thread: Lathe 3-jaw Chuck Wear
by Oldbikerider- Replies
- 17
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- 3,890
Wouldn't that be (partial) cylindrical grinding?...
Wouldn't that be (partial) cylindrical grinding? Not surface grinding?
Graham. -
2nd May 2019, 11:50 AM
Thread: Lathe 3-jaw Chuck Wear
by Oldbikerider- Replies
- 17
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- 3,890
How would you do this on a surface grinder? The...
How would you do this on a surface grinder? The clamping faces of the jaws on a 3 jaw chuck usually have a radius (like an ID), that you duplicate by using an appropriately sized clamp ring when you...
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2nd May 2019, 10:24 AM
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I don't know about the Samsung phone, but I have...
I don't know about the Samsung phone, but I have to thanks Chris for pointing out that I can tilt my iPhone to get a scientific calculator.
But like Bob, I learnt engineering on a HP calculator... -
2nd May 2019, 10:06 AM
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Hey eskimo, I wouldn't say hi-jacked, it just...
Hey eskimo, I wouldn't say hi-jacked, it just went off on a tangent. But the sines were there from the start.
Graham. -
1st May 2019, 11:22 AM
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Or two dimensions and the included angle. But...
Or two dimensions and the included angle. But yes, I was not accurate, for the right triangle you only need two sides.
Graham. -
1st May 2019, 11:07 AM
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Actually, I'm at -33.867476, 151.206982 right...
Actually, I'm at -33.867476, 151.206982 right now :) That's decimal degrees, as opposed to the old "imperial" degrees, minutes, and seconds. Manually converting between the two is not fun.
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1st May 2019, 10:59 AM
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Two sides and one angle define the triangle,...
Two sides and one angle define the triangle, everything else can be calculated from that. If you enter your two sides, it gives you the angle (plus the other sides and angles).
Graham. -
14th Apr 2019, 10:07 AM
Thread: Sewing machine tractors
by Oldbikerider- Replies
- 23
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- 5,508
Thanks Bill, Now I know what to make my farmer...
Thanks Bill,
Now I know what to make my farmer brother for his 60th birthday!
I had no idea these existed.
Graham. -
1st Apr 2019, 01:10 PM
Thread: 6 Jaw chuck size for D1-4
by Oldbikerider- Replies
- 15
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- 3,014
Very occasionally it's useful to be able to stick...
Very occasionally it's useful to be able to stick a piece of larger stock fully back in the chuck, so a larger chuck bore can be useful there. But if you have another larger (4 jaw?) chuck you can...
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1st Apr 2019, 01:01 PM
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That must be a privilege of retirement. I can't...
That must be a privilege of retirement. I can't wait.
Someone here at work from our software group just repeated a great quote: Today is the only day of the year where people critically view... -
1st Apr 2019, 11:39 AM
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Ahh Bob, you spoiled it :) Graham.
Ahh Bob, you spoiled it :)
Graham. -
8th Mar 2019, 11:52 AM
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Far from it. The legs are more than just...
Far from it. The legs are more than just decoration. In fact, the front legs take exactly the same load as they would if there was no wall support. And if the brackets are screwed to the wall with...
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7th Mar 2019, 05:29 PM
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Do you have a reference for a steel/tungsten...
Do you have a reference for a steel/tungsten alloy of higher stiffness? I've never heard of such an alloy. For all practical steels, you're stuck with the ~200 GPa, and even lower for stainless steel...
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7th Mar 2019, 02:17 PM
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Yes, I agree. It's a classic case of form winning...
Yes, I agree. It's a classic case of form winning over function.
The engineer in me is offended by designs like this. One diagonal member would make all the difference. But engineering is not... -
7th Mar 2019, 01:49 PM
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For long slender legs like that, failure would be...
For long slender legs like that, failure would be by buckling, so there is no point in going to anything stronger than mild steel. The load where buckling failure occurs depends on the stiffness of...
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4th Mar 2019, 01:30 PM
Thread: Good source of offcuts?
by Oldbikerider- Replies
- 26
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- 11,563
Or just drill and tap M3. If the tap breaks it's...
Or just drill and tap M3. If the tap breaks it's 4140, if it doesn't then it's not.
Graham (just trying to be helpful). -
28th Feb 2019, 05:14 PM
Thread: Mayo
by Oldbikerider- Replies
- 10
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- 4,473
I've taken to lazy way out and just ordered a...
I've taken to lazy way out and just ordered a tapered spindle with a blank 10 mm bore from the link that China kindly posted. Well, it's kind of the lazy way out as I don't have a 1/2 UNF tap, so...
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27th Feb 2019, 08:48 PM
Thread: Mayo
by Oldbikerider- Replies
- 10
- Views
- 4,473
Thanks Frank, I'd seen similar ones to those,...
Thanks Frank,
I'd seen similar ones to those, but only in 1/2 BSW, for example from Abrasiflex, so had discounted that option. Those Supercheap Auto ones are M14, so they won't work either.
I... -
27th Feb 2019, 05:10 PM
Thread: Good source of offcuts?
by Oldbikerider- Replies
- 26
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- 11,563
For reference, Edcon Steel on their on-line shop...
For reference, Edcon Steel on their on-line shop price 4140 200 dia x 75 long at $110 including cutting.
Edcon are the only place I know of in Sydney for small quantities of steel. There used to... -
27th Feb 2019, 05:04 PM
Thread: Mayo
by Oldbikerider- Replies
- 10
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- 4,473
OK, thanks guys. Neither Blackwoods nor Norton...
OK, thanks guys.
Neither Blackwoods nor Norton list 150mm wheels with 1/2 inch bores (they have 1 inch or 31.7mm), but I didn't realise the wheels come with bushings (and neither of those... -
27th Feb 2019, 10:18 AM
Thread: Mayo
by Oldbikerider- Replies
- 10
- Views
- 4,473
Mayo
I picked up this Mayo belt driven grinder/buffer last weekend. Does anyone know anything about the brand? The closest I've come to any information is a Cecil E Mayo Pty Ltd. but they are long gone...
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22nd Feb 2019, 12:36 PM
Thread: Turnado
by Oldbikerider- Replies
- 30
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- 6,034
That's interesting Chris, It was my...
That's interesting Chris,
It was my understanding that due to the folding process damascus steel has layers of steel interspersed with layers of carbon or at least layers of higher carbon steel,... -
21st Feb 2019, 05:45 PM
Thread: Turnado
by Oldbikerider- Replies
- 30
- Views
- 6,034
Chris, Those pen tips look great. What tool...
Chris,
Those pen tips look great. What tool material did you use, or does it come with the Turnado? I'm surprised that it cuts the presumably very hard Damasteel as drama free as you describe.
... -
7th Feb 2019, 08:21 PM
Thread: Finishing a rubber surface
by Oldbikerider- Replies
- 3
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- 3,242
Shoe Goo? It sticks well to rubber, and leaves...
Shoe Goo?
It sticks well to rubber, and leaves a nice tacky surface that would seem to be good for your application.
Graham. -
5th Feb 2019, 03:12 PM
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- 6,452
I'm not an electrician, but does the acronym MCBO...
I'm not an electrician, but does the acronym MCBO mean it's an overload breaker as well as an RCD? If so then is the welder tripping it out simply on over current? The time related symptoms you...
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16th Jan 2019, 01:25 PM
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I don't think moisture will be a problem, but as...
I don't think moisture will be a problem, but as Bob has said you should be able to effectively seal the corner joins between HDPE sheets.
The reason I say moisture won't be a problem is that... -
16th Jan 2019, 07:48 AM
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In the past I've purchased a lot of 3mm HDPE...
In the past I've purchased a lot of 3mm HDPE sheet for bench tops and other applications. I haven't seen prices in the past 3 years, but last time I purchased it was reasonably cheap in that...
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16th Jan 2019, 07:20 AM
Thread: Micro Lathe
by Oldbikerider- Replies
- 22
- Views
- 5,639
That's a nice little lathe, and lot's of...
That's a nice little lathe, and lot's of accessories.
I notice in the ebay ad that it talks about converting to a 24V DC motor. If you will be doing this I have a motor and controller surplus to... -
26th Dec 2018, 07:16 AM
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Oh, what a disappointment Bob. The good thing is...
Oh, what a disappointment Bob. The good thing is that you're not reporting any damage to the indexing head, tail stock (apart from the centre) or the mill itself.
It's easy to comment in...