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Member postings for Andy Carruthers

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

Thread: Hardened Silver Steel Shattered - How to Avoid?
08/03/2019 16:50:28

Would tempering help? or plunging into oil instead of water

Thread: Older/cheaper lathes
08/03/2019 06:32:49

Someone mentioned typos in descriptions:

https://www.ebay.co.uk/itm/COLECHESTER-CHIPMASTER-LATHE/264224616331?_trkparms=aid%3D888007%26algo%3DDISC.MBE%26ao%3D1%26asc%3D20140328180637%26meid%3De5c619b4137a4ace8c5551f39443be66%26pid%3D100009%26rk%3D1%26rkt%3D1%26sd%3D233153940736%26itm%3D264224616331&_trksid=p2047675.c100009.m1982

No wish to derail the thread, but what's fair-value for this?

Thread: Mini Lathe Rear Tool Post
07/03/2019 10:24:43

Dave, you forgot the cost - I've been quoted £35,000 to hold a Public Inquiry for planning, I can't imaging your costs will be much less...

Thread: Lathe screwcutting
06/03/2019 11:43:57

One item not mentioned here - I am no expert and you probably know this - is depth of cut which for Metric is 0.6134 * pitch with 60 degree tool

Thread: WM180 Replacement Cross Slide
01/03/2019 06:52:13

@Jason - I have just read Ron's thread, thanks for highlighting this

I appreciate the feedback, thanks to all, plenty to think on

28/02/2019 14:08:32

I am considering replacing the Cross Slide on my WM180 in part to increase the lathe versatility but also to give myself a decent project

I've read Neil's foray and taken note though I have lost the link to his post, also seen these:

http://mikesworkshop.weebly.com/cross-slide-extended-travel.html

http://andysmachines.weebly.com/extended-cross-slide-travel.html

My question is whether T slots or Dovetails would be best for securing the Compound and other accessories ie Ball Turner, Rear Cut-off tool

Thread: New Bush - steel, brass or...?
21/02/2019 07:15:45

I turned the spindle down to 15mm, drilled an oilway and made a brass bush, I will look at creating a lubrication groove later, then reassemble

Thanks to all for your advice - appreciated

20/02/2019 14:58:14

Thanks - I'll go with brass

20/02/2019 14:49:51

I acquired the beast a couple of years ago, age very hard to tell

I take your point regarding the bush, it is stainless steel and (relatively) unmarked, regardless of which, it's unusable anyway

I may drill an oil way half way down and replace the bush with a mild steel one which apart from brass is all I have and see how it goes - at least I have the benefit of more knowledge than when I started

20/02/2019 13:48:58

Bush is 20mm OD 16mm ID and 67mm long, spindle was a close fit, it's all a bit Heath-Robinson which is about my ability level

I have some 15mm OD 6mm ID sealed bearings, I think the spindle will be too small diameter given the length

Thoughts?

20/02/2019 13:30:00

My donkey saw (acquired, home-made) quit today

Drive goes from electric motor via belt to large pulley which has a small sprocket on the back connecting to a large geared wheel which drives the arm back and forth

The large belt driven pulley has a bush between itself and the spindle, and it is the spindle (think old steel bolt) which siezed, on dismantling the spindle is gouged whereas the bush looks ok - not that I can re-use it

I plan to turn the spindle down and make a new bush, the question is, what material would be best to use?

Thread: Stepper Motor Controls
19/02/2019 11:46:51

Good work Dave - appreciated!

Thread: which mill
19/02/2019 09:24:20

I picked up a Tom Senior M1 in very good condition for £1350 including base then fitted DRO for ~£165

Presumably you know of this site? http://www.lathes.co.uk/page3.html/

Thread: What Did You Do Today 2019
15/02/2019 21:14:51

Fixed the donkey saw by adding weight to the hacksaw end - now it cuts rather than skates across the surface

Messed around with the WM180 banjo, 3D printed another to try out new geometry in the hope of adding a tumbler reverse gear, way to go yet, but it's promising - or I could wait until I can afford a half-decent lathe

Tried the mig welder which has been sat for a while - no joy, looks like the control board has a fault, intermittently feeding wire, motor is fine, another thing to fix

I was going to weld up a bracket to tension the shaper motor, but I'll have a G&T instead, slimline...

Thread: Stepper Motor Controls
15/02/2019 12:13:07

Perfect Dave

Now all we need is Parts 3 to 99+, Arduino wiring and code break down

Thread: New coffee maker - disgusting taste!
13/02/2019 17:17:34

Coffee, drink coffee instead

Thread: WM180 Saddle adjustment
12/02/2019 15:46:15

@Martin - I would not go for the WM180 with DRO as the offering is quite basic. Instead I would acquire a 2nd hand larger capacity lathe as Dennis suggests, then retrofit a more complete DRO

Having owned a WM180 for a few years, there are features I wish were available ie left-hand thread cutting, quick change gearbox and I am considering upgrading to a Boxford / Harrison / Colchester which offer more features as well as improved capacity

Thread: Warco 918 Lathe Tumbler Reverse
12/02/2019 11:49:48

This appears to be the document Andrew refers to:

@Andrew - thanks - very useful
12/02/2019 09:25:41

Would you please post images or link to the article?

Thread: WHERE ARE THE SHAPER USERS ?
10/02/2019 13:25:42

Thanks Joseph and NDIY - I must get "proper" crimps for future use, I appreciate your comments

Having refitted the motor, can anyone offer me advice on how to secure the mounting plate please? I cannot find reference on YouTube or Internet - a photo would be greatly appreciated. As can be seen, there is a bolt through the casing with washer / nut on the end fully wound out. The bolt thread matches the swivel nut in the mounting plate, but they are not aligned. The motor is not the original so it may be the replacement motor has altered the geometry and is just hanging on the plate giving tension to the belt

motor mount.jpg

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