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Member postings for Bazyle

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

Thread: 3D Resin Printers
16/01/2021 11:29:00

From another forum it does appear you get the detail you need tor 0-gauge models provided the item is small enough for the tank but the downside is the process. Messy liquid not ideal for living room but needs cleanliness etc not compatible with (my) workshop. Also post processing required. Altogether a faf but there will be things that need the detail so I'd just like occasional access to one, like in a club or maker zone.

Thread: Great Central Atlantic in old ME
15/01/2021 09:54:49

We are trying to identify a club member's 2 1/2" gauge loco and have found reference to an article in ME from 1913 by Aynsworth Harrison about a 1/2" scale Great Central Atlantic model.
Volume 28, Issue 622, 27th March 1913. starting page 289

Does anyone have this issue and would be able to make a scan of the article to see if it is pertinent to the investigation please?

Thread: Myford ML10 main screw skating
15/01/2021 09:47:52

Just realised that GC's picture is upside down. So perhaps the idler gear is the same as the handle gear - after all it would make sense to mass produce teh same rather thatn have two differnet ones, so perhaps it is possible to swap them over, or use teh lower one and preplace it with a plain roller or flat plate as used on other lathes to oppose the push of the half nut.

14/01/2021 12:36:35

The pictures MG linked to show it is a pressed on brass/bronze gear. This allows two additional options.
If it is just worn find a way to partially push it off the shaft so that an unworn section at the edge is in the right place to do the job. This should give some months of additional use while you try option 2
It is engaging with a sort of rack so can be a straight sided tooth gear, not an involute, but set over at a slight angle to match the thread. It should be very easy to make a suitable cutter to make a new one.

edit: Robin has provided some additional insight not accounted for in the above.

Edited By Bazyle on 14/01/2021 12:38:45

Thread: Randa lathe missing back gear
13/01/2021 18:18:39

FYI there is quite a nice complete unbadged one on ebay today but notice the first backgear is thiner so I think it has also been replaced during the v-belt conversion. When you think about the potential weak point if someone locks the backgear to undo the chuck it is this gear that will take the force so probably are lots of them out there with one broken tooth.

eBay item number:
254833902453
Thread: Myford ML10 main screw skating
12/01/2021 18:01:24

The gear may look worn but that is because it is modified to wrap round the leadscrew. I assume your porblem is that it 'jumps' and misses a tooth sometimes. This is because the depth of engagement is not quite deep enough but it is probably a difficult balance between too little and too much.
Does this happen more at one end of the bed than the other?
Does it vary if you turn the leadscrew half a turn so that the other side of any bend in it is at the top?

You may be able to raise the leadscrew a little by adjusting the bolts of the bracket at each end but this can also affect the engagement of the half nut. You can also put a shim between the saddle and the apron to lower it a little.

If this isn't clear please point out the sentence that needs more detail.

edit: sorry I didn't see your post earlier - it may have been held at teh border awaiting virus test.

Edited By Bazyle on 12/01/2021 18:02:45

Thread: Myford ml7 about to buy
12/01/2021 13:00:38

Just try and get both sets of jaws for the chuck and don't be prissy about it being concentric to tenths. Rather than being short of lots of bits as you initially said it is ready to go. Few lathes come with everything and although Myford parts are being price hiked recently they are plentiful and you can get by without everything on day one. Location affects availability and hence price.

Thread: Nitrogen as an Energy Store ...
11/01/2021 22:52:11

A key factor in this application is that the 'coldness' is part of the value to run a fridge and the power to weight ratio for a mobile use. Plain ice is not solution as it needs to be below zero not at zero. However dry ice is also a possible contender.

Thread: Flexispeed fixed steady
11/01/2021 17:31:49

This is the previous thread on the topic - **LINK** Generally it is better just to continue your previous thread to keep it all together.

Perhaps if you have the link for the picture in Australia you could post it here so we can see what it looks like. You never know somowne might have one and not know what it is until they see the photo.

Thread: 1/2'' scale drawing sources
10/01/2021 21:35:41

My understanding is that the main following of 1/2" scale in the USA is for narrow gauge prototypes running on G1 track. There is or was a magazine something like 'Garden Rail' that specialised in it.

Thread: Can I ask members for their advice on these two...???
09/01/2021 23:07:55

Unless you are in a desparate hurry to make a vital part to repair your ventillator hang on for a few months and assess the market and range of lathes available. Also means you will be able to go and pick it up unless the vendor is willing to courier it. Just put an area related search on ebay and as each one comes up check it's spec on Lathes.co.uk and observe and spreadsheet its selling price. Make a pact with yourself not to be tempted to bid. (bit like going on the waggon or a diet).

Thread: Cleaning Brass?
08/01/2021 19:27:10

I believe ammonia causes stress corrocison cracking. It infiltrates sown the brass grain boundaries and causes cracks to appear infive to ten years which is why so many people think it is ok. The next repairer will see the damage.

Edited By Bazyle on 08/01/2021 19:29:18

Thread: Stuart No 10 drawing help
07/01/2021 13:41:00

Is that the booklet with detailed instructions? It was written for a hobby lathe but I was using one at work so when it came to 'bolt standard to faceplate to machine feet' said faceplate was so big the casting disappeared right down the hole.

Thread: Look out, here comes a woodturner
06/01/2021 18:06:17

I do hope that ME including the magazine, the forum, and the hobby includes a bit of everything not just small versions of bigger things. After all we aim to use full size lathes, not models of lathes.

Back on topic may I suggest starting with a small lathe to learn about using it as you will find there are techniques for making long things on short lathes and big disc like things on small capacity machines. Apologies if you said earlier that you were a toolmaker, I forget and haven't gone back to check.

Thread: Virtual Meet Ups
06/01/2021 13:59:44

Great talk from Mike, chairman of St Albans DMES. Shows what can be done for a Model Engineering club meeting that doesn't involve going up to the track while it can't operate normally.
Hopefully we will find a new speaker to step up to the mark for a meeting next month, which we will time for the eventing to suit people at work and maybe some trans-Altlantic friends.

In the chat after the talk we had a good idea for something to do with milling machines that Neil might put in MEW so I will keep that quiet and mention of a cheap DRO display using an Android phone. (drat, don't suppose it works on an iphone or my ancient android tablet).

I think we had 23 on the call.

06/01/2021 08:37:05

Not long now - about to power up the zoom computer....

Thread: Clubs and societies - talks and presentations
06/01/2021 08:33:04

It's not too late - it's this morning Wedenesday

05/01/2021 23:24:11

Noel, That sounds interesting. Several of us in EDMES would be interested in that so we need to train you up. You could try our forum zoom call tomorrow morning to get a feel of how it works.

If you go to this link and click where it says 'click here to go to zoom meeting' it should launch you into it. Even if you don't have a camera you can watch and listen on headphones.

Thread: Metric to imperial
05/01/2021 23:16:32

Probably confusing but i'd say 4 off 0.025 is .1. So then there are 4x3 divisions to get the 0.3 done leaving 0.075.Then another two divisions cover 0.05 off that leaving 0.015 which is a "tad" or part division.

Thread: Virtual Meet Ups
05/01/2021 23:08:53

I have sent a PM to everyone who has shown an interest incase they don't read the thread, Takes ages as there doesn't seem to be a bulk emailing system.

Don't be putoff if you are still in your pyjamas or don't have a camera, you can still participate as a name only and listen in and view the presentation. You do need headphones or a speaker system but only need a microphone if you want to talk. There is a mute system that can catch people out. find the button at the bottom left of your screen usually.

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