Polishing small componants on a lathe.

by Lathe on Jun.16, 2009, under Lathe Videos

Just an instructional vid’ on polishig. It is aimed at helping in technique not telling people to use their lathe this way… polishing machines are available and could be built. I do not have the room for that and this way serves me very well.

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:building, engine, Engineering, finger, finish, lathe, mirror, model, Modeling, polish, polishing, shiny, steam, treadle

21 comments for this entry:

Dividedhead
June 16th, 2009 on 10:29 am
Glad it was all worth it
If it helps someone then that’s “job done!”
I had to hunt down a demonstration from a machining friend to aid me, that’s why I made this video. So that others could see the technique.

I suppose the search engines on many sites are not quite upto it? Searching even on the all singing and dancing “Google” will still throw you many odd results!

Glad you took the time to have a look

Ralph.
artgoat
June 16th, 2009 on 10:29 am
The video was very …interesting, and the link to madmodder was useful (though sometimes it’s hard to find things over there.) I’d never seen anybody demonstrate the correct direction to wipe the part for each stage of the polishing, so that was new and very useful.
Dividedhead
June 16th, 2009 on 10:29 am
It’s true… No mercy at all!

I have a new design to hold the mops now… A huge amount safer even than a collet chuck, a lot less metal spinning around!

All viewable at w w w . madmodder . n e t

Hope you found something useful in the video?

Ralph.
artgoat
June 16th, 2009 on 10:29 am
“The chuck has no mercy.” LOL! I think it might be slightly safer to have the mops in a collet in my vertical mill. At least it’s a smaller spinning thing with less to grab my hand.
Dividedhead
June 16th, 2009 on 10:29 am
It all depends on what type of engine you settle on…. A small air/steam powered wobbler is relativly quick and simple (If not fancied,styled up) to make…. Well that’s what they always told me!
If your into internal combustion engines…. Then you’re in it for a bit longer. well most people would be…. There are exceptions to every rule… There are some truely brilliant machinists out there!

Good luck, have fun and “play” safe

Ralph.
mctotty
June 16th, 2009 on 10:29 am
heh im not quite at the stage of actually making anything remotely like a working engine yet, i mostly play around when i get a chance but ive been thinking of some ideas about how i would make mine and migh soon actually endevour to make it! I dont actually own a lathe only have access to one around 2-3 days a week.
Dividedhead
June 16th, 2009 on 10:29 am
I’m going to be re-making this video soon with the safer attachment that I have made instead of the lathe chuck… Which is universally recognised and VERY DANGEROUS!
until then the attachment can be viewed at ***** w w w . MadModder . net ***** in the “finishing” section.

Hope you post videos of things you make? They might just help inspire others!!

Ralph.
Dividedhead
June 16th, 2009 on 10:29 am
Hi,
Thank you for the nice words.I try to pass on much of the knowledge shared with me.
Some of this stuff took me ages to find out about,so I help others find it faster
Now,the question..
The polishing will remove “an amount” of the material,it depends on the how course the cutting compound is,the pressure applied and how long you keep the part in contact with the mop… You see how easy the blending was.
It takes a bit of practice. The flatting/preparation is very important.
mctotty
June 16th, 2009 on 10:29 am
How much does this alter the dimension of the part i.e. do you need to make an allowance for the final dimension? Thank you for providing these instructional videos – they are priceless! It is amazing that someone can have the patience and selflessness to provide an education for free!! Best regards.
Dividedhead
June 16th, 2009 on 10:29 am
Ha, I just sent you an e-mither explaining further!!
must have crossed over the airwaves!!?

I will be covering the threads, they could catch things and draw them into the machine….Not what I would like to either see of feel!
Tapered blanks are very useful little purchases
Glad you are happy with the re-design,and happy that I’ve helped you see what the blanks are for.
I’ll make a new vid using this setup soon, then might have to delete this one?
I’ll see how I feel?

Ralph.
shazdee
June 16th, 2009 on 10:29 am
Yeah I know what it’s like. I made the previous comment before I saw your vid. It’s so simple it’s genius. Are the threads really that much of a danger? It’s hard to tell from the vid. I can imagine any edged surface at speed would cut hands quite well. Thanks for showing me a use for a tapered blank. I saw them at arceurotrade recently and wondered what they could be used for.
Dividedhead
June 16th, 2009 on 10:29 am
I’m aware of the benefits of a collet chuck…I just simply do not have the funds at this time to purchase a new chuck and all of the collets to make it viable.If your offering…

I will have one in the future..But these things take time.
The new holder viewable at MADMODDER . NET is cheap and far,far safer than even a collet chuck..Well it will be when the thread cover is made(next job before next polishing session)
Thank you for taking the time to view and comment.

Ralph.
shazdee
June 16th, 2009 on 10:29 am
I know you’ve made a better holder but I was just thinking that a collet chuck would be a better option than the regular 3 or 4 jaw. It would give that little extra clearance.
Dividedhead
June 16th, 2009 on 10:29 am
Size of workshop 2500x2500mm !
Size of lathe 1500x500mm!
Size of mill on bench 1500x500mm!
size of press 500x500mm!
size of multi former 500x500mm!
and size of bench with press and miltiformer plus 0.4×0.4M surface plate on it…. 2300x600mm!!!

Where would you mount this grinder?

There just isn’t the room!!
As now displayed on the video I have made a much safer devise to hold the mops… Still using my lathe though. Visit “Madmodder (dot)net” to see the alteration made.

Ralph.
singful
June 16th, 2009 on 10:29 am
price of a late ???
price of a bench grinder ???
you do the math but i like the fact that you did it
Dividedhead
June 16th, 2009 on 10:29 am
I have built a new holder for the polishing mops.
It is far safer and you can get to both sides of the mop without the threat of the chuck.
To see this new design go to

MadModder (dot) net

and look at the ‘polishing and blasting’ topic.

Ralph.
Dividedhead
June 16th, 2009 on 10:29 am
Thank you, I tried to make sure that it was clear.

I am glad you like the results too.

Ralph.
tryally
June 16th, 2009 on 10:29 am
Congratulations for instruction.
Great result.
Dividedhead
June 16th, 2009 on 10:29 am
Thank you John, That’s all I made it for.
4beeches
June 16th, 2009 on 10:29 am
An excellent educational video that has revealed to me, for the first time, the techniques required for successful polishing of small components. John S
Dividedhead
June 16th, 2009 on 10:29 am
HMEM – please do not re-post this video.