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Member postings for Rockingdodge

Here is a list of all the postings Rockingdodge has made in our forums. Click on a thread name to jump to the thread.

Thread: ME Vertical Boiler & Hand Pump
22/03/2018 13:58:02
Posted by JasonB on 22/03/2018 13:19:26:

I have just heard back from Martin Evans and the missing Fig 1 will be included in part 5 of teh series which I assume will be in ME 4584.

J

Umm Martin Gearing??? cool

15/03/2018 20:53:29

Would it not be better to have it in consecutive issues rather than alternate ones?

Just kind of think the amount of content will be read and done within a couple of days and then a month before the next part can be built, that's going to drag big time. sad

15/03/2018 20:39:13

How many issues is this boiler build planned to take?

Thread: SPG Tools
02/11/2017 18:01:27

The mill now comes with the pulley and belt conversion at least the one I bought earlier this year did.

I found the only way I could get round the backlash causing dig ins was to ensure that you kept pressure on the handle while adjusting the fine feed down. I have bought and installed the dro system that he sells. Seem to be fairly accurate, at least as accurate as thr mill will allow it.

I am managing to work down to hundredths of a mm with care and patience and sharp tools.

Roger

Thread: Denham Junior toolpost -options
12/10/2017 15:51:07
Posted by Rainbows on 12/10/2017 15:40:43:

I took mine from a 12.7mm distance to 20mm distance. That gives a 4mm toolpost base and room for a 16mm tool. Potentially overkill but I wanted to be able to have cheap second hand industrial insert tooling that could fit.

I have a different topslide to yours, mine was very thick and somewhat primitive. Not currently near the lathe to measure how much meat is left though.

Thanks I don't have the luxury of that thickness of meat to pare down but I'm happy with going for the honlable chinese qctp which will fit just by drilling a new centre closer to the chuck end of the topslide.

That will also let me share the cutters between the 2 lathes.

12/10/2017 15:14:53
Posted by David Standing 1 on 12/10/2017 15:08:20:
Posted by JasonB on 12/10/2017 15:05:25:

"The dimension between the chuck centre and the top of the topslide is 0.6515."

Yeah, okay, that was 3 hrs and 4 minutes ago Jason, I have done many laps of the goldfish bowl since then cheeky

Just remember David that other goldfish you're chasing is you. wink 2

12/10/2017 15:11:04
Posted by JasonB on 12/10/2017 15:05:25:

"The dimension between the chuck centre and the top of the topslide is 0.6515."

Too quick for me Jasonsmiley

I would need to machine a fresh centre closer to the chuck end David

12/10/2017 14:46:24

I have 0.689" thickness above the mortise, how much could I safely machine off without affecting the strength/stability of the topslide?

My thoughts are to put some type of qctp on probably using 3/8" tooling.

In fact I just checked the dimensions of the qctp on my mini lathe and it would fit using half inch tooling on the Denham.

Does anyone see any issues in doing that?

Edited By Roger Clark 1 on 12/10/2017 14:58:27

12/10/2017 12:34:39
Posted by Rainbows on 12/10/2017 12:27:06:

Might want to consider milling a bit off the top slide to allow for a floor on the 4 way. That was my method atleast.

How much did you mill off and what size tools did you use?

12/10/2017 12:06:28

Another pic

20171012_093552.jpg

Thanks

Roger

12/10/2017 12:03:57

I've finally(nearly) completed restoring my Denham lathe, it runs fine but I have a little problem. The toolpost has been 'upgraded' with a 4 way, the issue is that the cutter, which is a 5/8", is set on the top slide and the 4 way locks down against it. This causes the plate to twist unless I compensate with a bar on the opposite side.

The dimension between the chuck centre and the top of the topslide is 0.6515.

What I would like some advice on is the best options for kitting out this lathe, its speed are 30rpm to 600rpm, it's superfast!!!

My main use will be for static and 5" gauge live steam so no real heavy engineering. Should I go for hss or indexed or both? Would it be worth looking at a different type of toolpost?

20171012_093234.jpg

Thread: 'Grease nipples' and oiling
02/10/2017 16:23:02

And I've just ordered a Press Parts one too, thanks to all who replied

Roger

01/10/2017 21:47:53

I'm restoring a Denham Junior mk2 lathe and I think it was the case of if it moves oil it!!!

I dont have a problem with this regime but I seem to have an issue with doing it. The oiling points look like grease nipples and there's no way my oil cans will fit so am I missing something here or is there a cunning plan that I don't know of?

Cheers

Roger

Thread: Scrap yard steam engine
08/09/2017 20:02:17

Hi Jon,

Link doesn't work

Thread: Keighley Lifts/ Denham Junior lathe manual
11/08/2017 20:48:08

Strange that this has come up in my search and only last month as well. I might be going to have a look at a 

Junior mk2 next week and wondered if someone had the manual pdf that I could gen up on it before viewing.

Any owners got any advice that I can use would be greatly appreciated.

Thanks

Roger

Thread: Large diameter copper tube
11/08/2017 15:25:40
Posted by Thor on 11/08/2017 13:44:42:

M-Machine lists 7" C106 tube in their metals catalogue, have you asked them for a price?

Thor

Edited By Thor on 11/08/2017 13:47:31

Thanks Thor, query sent.

11/08/2017 12:16:20

Does anyone know of the best price for 7.25" copper tube about 30" long and would 1/8" be strong enough for a loco boiler?

Thread: What horizontal mill is this please?
08/08/2017 16:43:33

I think the way ahead would be via dro

07/08/2017 21:51:04

Thanks for the info guys, think I might go for this just to give me a bit more flexibility.

Did these come with a stand as well?

Regards

Roger

07/08/2017 20:52:22

20160902_123443.jpg

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