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Member postings for Carl Wilson 4

Here is a list of all the postings Carl Wilson 4 has made in our forums. Click on a thread name to jump to the thread.

Thread: cutting the bar of a digital calliper
24/10/2018 20:55:59
That's meant to be a pound sign not a question mark.
24/10/2018 20:55:11
A friend of mine has just fitted a DRO to his XYZ 1440 lathe. He got the DRO from Ali Express. It has cost him ?150 inclusive of ?18 import tax.
Thread: Electrolux vacuum - Need to make a missing wheel
23/10/2018 15:56:52
The first question in maintenance is is it worth repairing?
Thread: Storing Machinery In Damp Conditions - Advice Please
23/10/2018 15:34:21
Common or garden waxoyl. Used it in the RAF to protect aircraft going into long term external storage. Works perfectly.

In my second career, have used it to protect non stainless steel components that go subsea. Works a treat, protects against seawater corrosion. Another thing to do is wrap stuff in denso tape. Sort of waxoyl impregnated fabric tape.
Thread: More collet and milling tools confusion.
08/10/2018 18:23:53
What about this

https://m.banggood.com/80mm-Diameter-ER-32-Collet-Chuck-Compact-Lathe-Tight-Tolerance-CNC-Collect-Chuck-p-1168315.html?gmcCountry=GB¤cy=GBP&createTmp=1&cur_warehouse=CN&utm_source=googleshopping&utm_medium=cpc_ods&utm_content=heath&utm_campaign=pla-ods-gb-2&gclid=EAIaIQobChMIgeWz96333QIVz-J3Ch2_XwydEAQYASABEgLsvfD_BwE
Thread: What bearings for a submersible wheelchair?
06/10/2018 17:58:50
316 stainless on ptfe is how it is done. 316 stainless is required due to the high concentrations of chlorides in seawater, and in a pool too.

05/10/2018 19:44:18
You don't need the complication of ball races etc for a submersible application.
05/10/2018 19:38:51
316 stainless steel running in ptfe bush. I have extensive experience of this running in seawater. Lasts forever.
Thread: Rocol RTD shelf life
02/10/2018 10:02:12
Regarding the query of the original poster. In industry, oils, chemicals and solvents often have a test date. This is to ensure that no deterioration has occurred in storage and that the product is fit for use. Certainly this was done in the aircraft industry.

That might be an explanation for the date on the Rocol.
Thread: Beer and Grapefruit
13/09/2018 22:37:01
Belhaven Best.
Thread: Cost of mini lathes
09/09/2018 18:54:34
Agreed Re the capacity of these machines to open up the world of hobby engineering. As a teen I was besotted with engineering and lathes. I'd have killed for one of those mini lathes back in the 80s.
09/09/2018 18:03:27
Joking aside, it just depends what you want to do. They can be of very variable quality. A friend of mine bought one and it was junk. Then my uncle bought one fir Model Railway use and it was OK.
09/09/2018 15:25:05
They cost a lot. Because you will soon realise it's limitations and need to buy a proper one.
Thread: Couple of things at Lidl
16/08/2018 16:27:58
V8eng my local Lidl still has inverter welders. If you want I can get one and post it to you. Reimburse me for the cost and the postage.

Carl.
Thread: Aluminium thread strength
15/08/2018 08:41:44
As others have said, on 8mm thick material a nut and bolt is the answer.
Thread: Myford Super 7 metric change gears
15/08/2018 08:38:01
Just for interest my friend Richard Oakley can 3D print any gear you may require.

This is done using a FormLabs SLA machine. The print medium is a high impact resin similar to Paxolin.
Thread: Aluminium thread strength
15/08/2018 08:30:53
It's nice to see a reference to MIL HDBK 5J. I thought it was just me that used it.

The case of the bolt threaded directly into aluminium is really dependent on what you want to do with it.

If you are building air or spacecraft or a nuclear reactor, then use an insert. If it is for a jobbing task in the workshop or home then threads into the aluminium will be fine.

I've seen threads directly into 6082 T6 take loads measured in tonnes.

Edited By Carl Wilson 4 on 15/08/2018 08:31:49

Thread: Which books
10/08/2018 16:43:10
LH Sparey's book is very good. Most of what he talks about in the book is done on Drummonds, so seems like a good book for the smaller lathe.

Lathework, a Complete Course, by Harold Hall is also very good. It's a Workshop Practice series title. I too have Chapman, from over 30 years ago in training and still excellent.

I'm going to suggest something else that is not a book. Machining is inherently practical. Watch some of the you tube machining channels.

In my opinion the best one is a guy called Doubleboost. He is British and he is very down to earth and does some interesting projects. His channel is Sunday Night Night Cap. Puts out a new video every Sunday. The old ones are all archived. Highly recommend - equal worth to reading several books.
Thread: Cheap LED rpm modules
04/08/2018 18:47:59
Quick search on led tachometer threw up four from bang good all under a tenner.
04/08/2018 18:46:17
Yes Led and tachometer. Got mine from Amazon. I just put one on my Harrison M250 during a vfd conversion. It works a treat. You can read all about it over on the mig welding forum, under "A Vfd for my lathe" https://www.mig-welding.co.uk/forum/threads/a-vfd-for-my-lathe.77865/page-10#post-1192231

Edited By Carl Wilson 4 on 04/08/2018 18:50:11

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