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Old 01-17-2010, 12:22 PM   #1
sourdoughsmitty
 
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Default best mods for 7x10 mini lathe & mill what's yours?

Well after playing for a week and making a few smalltools I made a list of mods to help this model that I found online
1changing to ball bearings on both cross and compound ,now as the original holes are somewhat sloppy would a properly sized bushing do as well
2 ball bearing on the carriage drive crank , there again as in #1 above would I be better served with a properly fitting bushing?
3 buying the 14" bed for it , anyone done this ?is it wothwhile? I do mostly fishing tackle repair with this lathe
anyone have the specs on making my own belt drive for my mini mill ?
4 plans for the groz type qctp or similliar ?
thanx smitty



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Old 01-17-2010, 12:53 PM   #2
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

I have performed quite a few (some rather amateurish ) but I feel that the best thing that I have ever done to my 7x12 lathe is modifying the compound and cross slide handles. I made new handles that let the actual part that you grasp with your fingers spin as you crank it. Did that make sense Wow, this made a BIG difference to me and I recommend anyone taking the time to do this. I guarantee that it will be time well spent.

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Old 01-17-2010, 03:20 PM   #3
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Best mod I did was to sell my 7x14 and buy a 8xXX or larger lathe.

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Old 01-17-2010, 03:43 PM   #4
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Quote:
Originally Posted by BillH
Best mod I did was to sell my 7x14 and buy a 8trash or larger lathe.
Great if you can afford it, but there has been a lot of very nice work done on the 7 x 10, 7 x 12, etc. It's a lot of lathe for the money and puts metalworking within the reach of many folks who couldn't otherwise afford it.

Chuck
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Old 01-17-2010, 05:04 PM   #5
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Best mod I've made for the my 7x12 mini-lathe (thus far) was covering the carriage apron. Otherwise swarf gets in there very easily and messes things up.

I'm currently working on a DRO system using digital calipers.

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Old 01-17-2010, 07:22 PM   #6
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Default Re: best mods for 7x10 mini lathe & mill what's yours?



Quick Change tool Post and Camlock on tailstock.
Loosening bolt to move tailstock gets tiresome real quick.


Ron
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Old 01-17-2010, 07:56 PM   #7
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Smitty
By the time I upgraded to the C4 Lathe, my 7 x14 Micromark was modified to the max.

--Extended Cross slide travel for cutting up to 7 inch diameter materials
--Extended cross slide lead screw for full rearward travel
--fitted it with a 5 inch chuck
--Cross slide nut center drilled to remove backlash
--DRO's both axis and tail stock
--Independent variable speed power feed on longitudinal lead screw
--Spindle mounted Indexer
--All custom hand wheels and locks
--Tool rack mounted behind splash guard....(perhaps the handiest mod of all)
--adjustment points on rear of saddle to remove any lateral movement

The little fellow now sits there gathering dust and taking up valuable counter space, but I enjoyed every time I ever used it. I somehow can't seem to decide to sell it.

Mods to the little X2 mill were not quite as extensive.

-- Belt drive added
--Extended Z rack
--Adjustable Sieg Power Feed
--DRO, on XY&Z
--Spring loaded spindle stop
--Upgraded all locks with LMS kit
--LED table lighting

Again.... after upgrading, it gathers dust most of the time, but does do some second function drilling and a bit of milling.

Both machines delivered everything the were designed for and more. No regrets for having begun my long learning curve using them. The day eventually came when I wanted to upgrade to better stuff.... even if I didn't need to. By then I knew these machines and their quirks and easily worked with them or around them without thinking much about it.

Steve

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Old 01-17-2010, 08:37 PM   #8
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Quote:
Originally Posted by cfellows
Great if you can afford it, but there has been a lot of very nice work done on the 7 x 10, 7 x 12, etc. It's a lot of lathe for the money and puts metalworking within the reach of many folks who couldn't otherwise afford it.

Chuck
Thanks Chuck! I will be the first to admit that bigger lathes are better in almost every way than smaller ones. But just for hobby use a 7x12 may be all the lathe some people can afford. So why not spend some time making it the best tool that it can be.

Chris
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Old 01-18-2010, 02:01 AM   #9
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

Great info all ,
Chuck's reply is also right on the money ,it is a lot of lathe for the money , I was looking for a larger one preferrably a 9" south bend but most that I looked at were pretty clapped out. I answered aqn add for both a 7x10mini lathe and mini mill for 500 . These were 2 years old with only 4 hours on them ,the guy got bored and put them away!! they still had the usual packing grease in all the places these also came with a fair amount of both lathe and mill tooling as well as a milling vise I added it all up at todays prices and figured more than 1200$$ here.I have beeen looking on the web and finding a lot of users of this level of machine tools. So far it has become somewhat of a hobby in itself improving these and making tooling for them it will be easier now to wait and find my s/b thanx all smitty

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Old 01-18-2010, 02:37 AM   #10
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Default Re: best mods for 7x10 mini lathe & mill what's yours?

smitty ,
With nothing more than the quick change tool post mod (A2Z Little Machine Shop) for my Micro Mark mini-lathe and the mini mill without mod I built my first IC engine, the Odds and Ends Hit Miss:

http://www.homemodelenginemachinist.com/index.php?topic=7773.0

Great machines that fit my budget at the time and I'll never regret the purchase...

Jeff



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