Search:
Type: Posts; User: ptrott
Search: Search took 0.01 seconds.
-
24th Mar 2023, 06:17 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Nice, right place right time. I just watched a...
Nice, right place right time. I just watched a video on them, very impressed, but I have a fair few $$$ tied up in non threaded tooling so not about to change over to threaded at my age, ...won't...
-
24th Mar 2023, 01:46 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Wow, is that from the factory, or crap that has...
Wow, is that from the factory, or crap that has that got in there since?
-
23rd Mar 2023, 09:28 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
They were in the collet that required a firm ...
They were in the collet that required a firm push to get them in, e.g. 14mm was in the 14-13 collet.
-
23rd Mar 2023, 01:41 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Perfect machine for this project. The other side...
Perfect machine for this project. The other side of the workpiece has to have a lot of 20mm wide X 12mm deep slots cut in it, again, perfect machine for it, but I have to work with what I have got...
-
23rd Mar 2023, 01:34 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Thanks for the input and info. I have ordered an...
Thanks for the input and info. I have ordered an indexable end mill with an MT3 shank (all one piece) to eliminate any chance of a recurrence. It will no doubt come in handy for many projects along...
-
22nd Mar 2023, 04:56 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Yes, MT3, however where possible I keep the...
Yes, MT3, however where possible I keep the spindle retracted as far as possible especially when taking heavier cuts, so often not possible to get in there. There is also the draw bar to...
-
22nd Mar 2023, 12:20 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
No, one was a new 14mm and the other ws a used...
No, one was a new 14mm and the other ws a used 10mm. I have a 10mm wide slot cutter. Good to know it is a reasonable option. I'm thinking it might be my first option at this point. It will give me a...
-
22nd Mar 2023, 11:57 AM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Carbide end mill, brand new 14mm 4-flute, and...
Carbide end mill, brand new 14mm 4-flute, and also a 10mm used 4-flute. The new one pulled out the most in the shortest time. I didn't know about this pull out issue at the time and suspected the...
-
22nd Mar 2023, 11:32 AM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Using the supplied collet wrench and a spanner...
Using the supplied collet wrench and a spanner with similar length hande. For the final tighten I get them as close to parallel as possible and squeeze the two together....like using pliers. Often I...
-
21st Mar 2023, 07:28 PM
Thread: Alternative to end mills
by ptrott- Replies
- 23
- Views
- 1,973
Alternative to end mills
I experienced the dreaded tool pullout (end mill in ER collet) twice last week when making some Tee nuts.
Yes the chuck was very tight, yes the collet bore & end mill were clean & dry, etc.... -
1st Oct 2022, 09:31 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
I believe that replacing the diodes with poles on...
I believe that replacing the diodes with poles on the switch is necessary to overcome that issue.
-
1st Oct 2022, 08:23 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
So those two diodes have to be switches instead....
So those two diodes have to be switches instead. Oh well, a 4PDT it is then.
Cheers. :) -
1st Oct 2022, 06:00 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
Cheers Steve, in the interests of simplicity, I...
Cheers Steve, in the interests of simplicity, I have modified it a little, will this version work? I only want to have one -ve and one +ve to run to the MPPT controller.
If this would work, I only... -
1st Oct 2022, 05:45 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
Yep, it sure would :wink:
Yep, it sure would :wink:
-
1st Oct 2022, 05:43 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
I looked at that, but it looks like a long...
I looked at that, but it looks like a long learning process for one cct. diagram :wink:
-
30th Sep 2022, 09:01 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
After some more Dr. Google and some more...
After some more Dr. Google and some more thinking, I think I might have it.
Will a 4PDT switch which will close A-B, C-D, E-F, G-H while opening 1-2 and 3-4 do the trick?
400040 -
30th Sep 2022, 04:48 PM
Thread: Series to parallel switching
by ptrott- Replies
- 15
- Views
- 2,905
Series to parallel switching
400039
Looking at switching 3 small solar panels between series & parallel. (all 3 in either configuration)
To keep the price down, I wanted to use switches that Jaycar have on the shelf, which... -
12th Jan 2022, 01:02 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
HavinaGo, Cringe as you may, but in the...
HavinaGo,
Cringe as you may, but in the interests of honesty, I did indeed modify one nozzle so that it would fit in the channel, which it did, but still left me short, however I drew the line at... -
11th Jan 2022, 03:23 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
I did consider cutting longer rivets, but too...
I did consider cutting longer rivets, but too many involved.
Thanks for all the leads & ideas, but as I said, it all got too hard so I went with screws.
Job done, albeit not what I had hoped for.... -
11th Jan 2022, 12:52 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
These rivets are for use in long nose rivet guns...
These rivets are for use in long nose rivet guns (which I do not own) for use in hard to reach places (which I do have).
I intended to use a couple of small nuts placed on the mandrel as I only... -
10th Jan 2022, 03:18 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
Our Bunnings supply only one brand of rivets,...
Our Bunnings supply only one brand of rivets, OTTER. I rang Otter and they didn't have a clue about extended mandrel rivets.
Also tried the only local major players, Prime, Heatley, Konnect, again,... -
9th Jan 2022, 05:25 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
I'll give then a try :-)
I'll give then a try :-)
-
9th Jan 2022, 11:31 AM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
I have, and Konnect also.
I have, and Konnect also.
-
8th Jan 2022, 03:08 PM
Thread: Extended mandrel blind (pop) rivets
by ptrott- Replies
- 20
- Views
- 2,487
Extended mandrel blind (pop) rivets
395608
Does anyone know of a retail supplier of these in Australia please?
:)
EDIT: for the person who asked for a pic of a pop rivet. :-) -
28th Sep 2021, 12:41 PM
Thread: RF45 Gas Struts?
by ptrott- Replies
- 9
- Views
- 1,372
I would think so. I have never seen a 45, so the...
I would think so. I have never seen a 45, so the head might be slightly bigger, the gears might be 5-10kg so even if the difference is 15kg, you would still only need 350N-400N max each side.
Mine... -
27th Sep 2021, 06:04 PM
Thread: RF45 Gas Struts?
by ptrott- Replies
- 9
- Views
- 1,372
Not a RF45, but similar. Was it worth it?...
Not a RF45, but similar. Was it worth it? Absolutely was for me, but if I was still in my 30s I probably would not have thought to do it.
Very easy mod and makes life easier.
394166394167394165 -
3rd May 2021, 01:48 PM
Thread: Dial Graduating Tool !
by ptrott- Replies
- 39
- Views
- 8,086
Great result John. Those numbers look a hell of a...
Great result John. Those numbers look a hell of a lot better than the factory ones on my old Taiwanese lathe. Well done!!
-
23rd Apr 2021, 12:45 PM
Thread: Dial Graduating Tool !
by ptrott- Replies
- 39
- Views
- 8,086
Looking good John. As stated above, a support...
Looking good John. As stated above, a support would be the go on the shaft.
-
18th Apr 2021, 05:29 PM
Thread: Dial Graduating Tool !
by ptrott- Replies
- 39
- Views
- 8,086
Looking forward to the end result John.
Looking forward to the end result John.
-
18th Apr 2021, 03:02 PM
Thread: Dial Graduating Tool !
by ptrott- Replies
- 39
- Views
- 8,086
Looking good John, hope it works well. I gave...
Looking good John, hope it works well.
I gave some thought to this when I was looking at replacing some dials a while ago, but it only got to the concept drawing stage.
The idea was to rotate the... -
6th Dec 2020, 03:03 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
I did take great care to machine everything...
I did take great care to machine everything square, but this is a great idea for getting it bang on. Thanks :)
Let us all know how the Turcite performs. -
5th Dec 2020, 02:34 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
When the brass wears, I'll look into that,...
When the brass wears, I'll look into that, thanks.
The brass might last a while, because it is satin chrome plated, or maybe nickel. -
4th Dec 2020, 08:58 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
I had a squeeze of the poly I have with pliers,...
I had a squeeze of the poly I have with pliers, and it did not feel hard enough, so I ended up finding a brass scrap for now. I'll source some Ph. Bronze when I can.
-
4th Dec 2020, 03:51 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
Isn't that what those white cutting boards are...
Isn't that what those white cutting boards are made of?
-
4th Dec 2020, 01:34 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
Hi Shed, the clamping arrangement came about more...
Hi Shed, the clamping arrangement came about more or less by accident.
I machined the slot for the parting tool without checking the parting tool itself, rookie mistake,....the parting tool did not... -
2nd Dec 2020, 09:30 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
A BIG THANK YOU to ShedHappens for this post. It...
A BIG THANK YOU to ShedHappens for this post.
It was a fantastic rank amateur beginner project for me on the RF30 clone.
I am so glad that I modified the fixed dials on the X & Y axis wheels so... -
26th Nov 2020, 05:53 PM
Thread: Old iron, identification?
by ptrott- Replies
- 10
- Views
- 2,878
Had a few goes at it today, and I can't see any...
Had a few goes at it today, and I can't see any difference in the punch marks on it and cold rolled, certainly didn't dull the punch point, so I am going to call it Durax.
Thanks for the input... -
25th Nov 2020, 08:32 PM
Thread: Old iron, identification?
by ptrott- Replies
- 10
- Views
- 2,878
I didn't realise the original post was ambiguous....
I didn't realise the original post was ambiguous.
I only have ONE type of steel, which is ONE of the metals Durax OR Double griffin,
which is why I would need a known sample of either to do a... -
25th Nov 2020, 05:23 PM
Thread: Old iron, identification?
by ptrott- Replies
- 10
- Views
- 2,878
220 vs 201 Brinell. Not a massive difference....
220 vs 201 Brinell. Not a massive difference. Assuming you mean a punch type test wouldn't I need a known sample to compare?
-
25th Nov 2020, 04:56 PM
Thread: Parting the easy way
by ptrott- Replies
- 31
- Views
- 12,403
That has to be an improvement on standing behind...
That has to be an improvement on standing behind the lathe with a std. hacksaw, in which the blade has been reversed. That has been my go to parting method for some time :-
-
25th Nov 2020, 04:34 PM
Thread: Old iron, identification?
by ptrott- Replies
- 10
- Views
- 2,878
Old iron, identification?
I was lucky enough to be given some old iron, which is one of two metals, either Double Griffin, or Durax.
It would be very handy to know for sure which it is, so any way to do it without specialist... -
11th Nov 2020, 04:04 PM
Thread: A Hunt for a Handle
by ptrott- Replies
- 10
- Views
- 2,312
"If" these were near enough aesthetically, a bit...
"If" these were near enough aesthetically, a bit of M12 allthread turned down and threaded to 5/16 BSW would do the trick.
... -
30th Sep 2020, 11:04 AM
Thread: RongFu30 clone
by ptrott- Replies
- 2
- Views
- 1,136
Thanks Alan. It is just to engage & disengage the...
Thanks Alan. It is just to engage & disengage the winding handle to the cog that drives the rack in the quill up & down, so no great load.
Cheers. :) -
29th Sep 2020, 11:55 PM
Thread: RongFu30 clone
by ptrott- Replies
- 2
- Views
- 1,136
RongFu30 clone
RongFu30 clone has a cone clutch on the spindle/quill raise lower mechanism.
Should it be assembled dry, and or light oiled or what?
Cheers. -
27th Sep 2020, 11:48 PM
Thread: RongFu clone
by ptrott- Replies
- 12
- Views
- 3,429
Yep, as I said in my last post, it seems to be a...
Yep, as I said in my last post, it seems to be a faceplate, albeit a bit of an odd one.
-
26th Sep 2020, 01:26 AM
Thread: RongFu clone
by ptrott- Replies
- 12
- Views
- 3,429
It does seem to be a d1-4 mount faceplate,...
It does seem to be a d1-4 mount faceplate, despite the vast majority being 6 or 8 slot, and through slots being far more prevalent.
I eventually found one similar ... -
25th Sep 2020, 10:12 PM
Thread: RongFu clone
by ptrott- Replies
- 12
- Views
- 3,429
The paint on the back of it matches perfectly the...
The paint on the back of it matches perfectly the colour of the mill, which is original as there is a factory supplied small can of touch up paint in the mill cabinet.
That makes me think it belongs... -
25th Sep 2020, 09:15 PM
Thread: RongFu clone
by ptrott- Replies
- 12
- Views
- 3,429
RongFu clone
I just got hold of a TruTool version of the RongFu-30 mill.
It came with what I am sure is a drilling table, but how it attaches to the machine is not like anything I have ever seen. I have a... -
12th Sep 2020, 01:23 PM
Thread: Why did this stop cutting?????
by ptrott- Replies
- 24
- Views
- 7,377
Started cutting normally, a bit of chatter...
Started cutting normally, a bit of chatter because it was biting in, but as soon as I sprayed it with coolant/lube, it stopped within seconds, which might be totally coincidental. No amount of feed...
-
11th Sep 2020, 01:33 AM
Thread: Why did this stop cutting?????
by ptrott- Replies
- 24
- Views
- 7,377
That sounds plausible. It was surprising how it...
That sounds plausible.
It was surprising how it cut ok until I sprayed it, then ceased within seconds.
I didn't connect the application of coolant to the skating at the time.
I removed the saw...