HOBBYMAT lathe change gears .

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HOBBYMAT lathe change gears .

Postby shirley_hkg » 10 Feb 2021, 12:34

I have a HOBBYMAT SD65 lathe .
The gear set for cutting is lost .

It said they can be 3D printed.
https://www.glue-it.com/wp/knowledge/th ... ymat-md65/

Seek help from you guys to get the data file . :worship
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Re: HOBBYMAT lathe change gears .

Postby foghornleghorn » 10 Feb 2021, 12:57

https://groups.io/g/Prazi-Machining

Searching within their archive it appears files were stored in Yahoo Groups which self destructed in December 2020. I do not know where else to look.
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 10 Feb 2021, 13:43

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Re: HOBBYMAT lathe change gears .

Postby woodygb » 10 Feb 2021, 16:05

I am not sure that they are for your model Shirley.
Prazi DLZ 180 x 450 Gear Change Set .STL files for 3d printing.

UniTech SD500 = Prazi DLZ 180X450

Hobbymat MD65 = Prazi / UniTech SD300 ...so the files seem to be for a different model.

Try these.
Change gears for MD65
https://www.thingiverse.com/thing:4108906/files



Manual ...just in case you haven't got one.
http://www.bazmonaut.com/wp-content/upl ... nual-b.pdf
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 11 Feb 2021, 05:33


Thank you , woodygb . cheers beer drunk2

Not sure if it is in the right language , I saved one and shared to a friend who owns a printer.
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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 16 Feb 2021, 18:43

Make it on your lathe! Time consuming but possible.

I can print and send you gears if needed. No charge.
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 17 Feb 2021, 12:14


Will, you are great. PM sent.

Do want a complete set. Need 2 X 60z .

Thanks a million.

Shirley .

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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 17 Feb 2021, 23:27

woodygb wrote:Try these.
Change gears for MD65
https://www.thingiverse.com/thing:4108906/files

This?

I'll get them printed tomorrow after work.
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Re: HOBBYMAT lathe change gears .

Postby martin007 » 17 Feb 2021, 23:55

shirley_hkg wrote: I have a HOBBYMAT SD65 lathe .
The gear set for cutting is lost .

It said they can be 3D printed.
https://www.glue-it.com/wp/knowledge/th ... ymat-md65/

Seek help from you guys to get the data file . :worship



Do you have a big house?
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Re: HOBBYMAT lathe change gears .

Postby Burgerman » 18 Feb 2021, 00:36

Its a very small lathe. Sits on a table or anywhere.
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Re: HOBBYMAT lathe change gears .

Postby Burgerman » 18 Feb 2021, 00:38

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Re: HOBBYMAT lathe change gears .

Postby martin007 » 19 Feb 2021, 00:40

Burgerman wrote:Its a very small lathe. Sits on a table or anywhere.




You have to have a free table...
It makes noise, vibrates and can disturb neighbors.
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Re: HOBBYMAT lathe change gears .

Postby Burgerman » 19 Feb 2021, 08:28

If your lathe makes a noise thats louder than say a kettle boiling then it needs repairs. Or you are doing something wrong!

If it vibrates then you are doing even more wrong. It should be smooth and pretty quiet. If it disturbs neibours you must be in their living room. :D

It should be much quieter than say, a cordless drill.
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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 24 Feb 2021, 04:03

Image

Image

Image

I'll do more from PETG. I think it will be more durable.
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Re: HOBBYMAT lathe change gears .

Postby Burgerman » 24 Feb 2021, 06:31

Will plastic work?
:problem:

Strength and accuracy would seem rather dubious.
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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 24 Feb 2021, 07:18

The factory gears are plastic. Although, I would think they would be made from nylon.

The accuracy of these printed ones will be just fine, machining tolerance wise. I'm sure they'll need a little hand sanding to fit properly. I don't know how long they'll last though. It's easy to overheat the PLA they're made from with friction and have a failure.

PETG is "slicker" and would be better suited to this application. I'll print Shirley more from it. This just happened to already be loaded in my printer.
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Re: HOBBYMAT lathe change gears .

Postby stevelawiw » 24 Feb 2021, 12:08

Do you ever use ABS Will?
I bet there's a goodly sum of hours invested in those gears you've printed
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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 24 Feb 2021, 12:46

stevelawiw wrote:Do you ever use ABS Will?
I bet there's a goodly sum of hours invested in those gears you've printed

I have several rolls of ABS. I try not to use it unless no other choice. It's aggravating to print with, not chemical resistant, toxic, and just doesn't give good results WITH MY PRINT SETUP. High quality PLA brands have came a long way in the last few years.
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 24 Feb 2021, 14:56

WOW ! :dance cheers
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Re: HOBBYMAT lathe change gears .

Postby Williamclark77 » 05 Mar 2021, 04:53

The blue are PLA. Red are PETG. I think the PETG will be more durable. All will need minor cleaning with sandpaper and maybe a file.

Image
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 06 Mar 2021, 03:51


Admire your ability .

SAND & FILE . No problem.

Thank you .
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Re: HOBBYMAT lathe change gears .

Postby shirley_hkg » 29 Mar 2021, 14:21

Arrived . cheers
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