Will it manage?

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magman
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Will it manage?

Post by magman » Sun Feb 07, 2021 2:50 pm

Hello all

I am intrested on buying a Cinese 3040 cnc for cutting 10mm aluminium hub ring for rims. Will it work?

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NP317
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Re: Will it manage?

Post by NP317 » Sun Feb 07, 2021 7:57 pm

Not sure I understand.
"Chinese"?
CNC lathe or mill?
Wheel hubs, or rims?
10mm thick or diameter?
????
So many questions...
RussN

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ctwo
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Re: Will it manage?

Post by ctwo » Mon Feb 08, 2021 11:24 am

I believe he is asking about one of those CNC routers, such as https://www.alibaba.com/countrysearch/CN/cnc-3040.html

And further guess it's something along the lines of a 10mm thick wheel spacer.
Standards are so important that everyone must have their own...
To measure is to know - Lord Kelvin
Disclaimer: I'm just a guy with a few machines...

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GlennW
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Re: Will it manage?

Post by GlennW » Tue Feb 09, 2021 10:08 am

Machining aluminum of that thickness can sometimes be quite an experience without flood coolant.
Glenn

Operating machines is perfectly safe......until you forget how dangerous it really is!

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ctwo
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Re: Will it manage?

Post by ctwo » Tue Feb 09, 2021 3:29 pm

I bet everyone is looking up the CNC-3040 now.
Standards are so important that everyone must have their own...
To measure is to know - Lord Kelvin
Disclaimer: I'm just a guy with a few machines...

Harold_V
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Re: Will it manage?

Post by Harold_V » Tue Feb 09, 2021 4:18 pm

ctwo wrote:
Tue Feb 09, 2021 3:29 pm
I bet everyone is looking up the CNC-3040 now.
Not quite everyone. I've learned that when people ask questions that raise more questions because they haven't invested enough time for their inquiry to make sense, I simply ignore them. That's unfortunate, as I'm more than happy (I'm actually eager) to help, assuming I'm able.

Brings to mind a person calling for an ambulance, but not disclosing the location for which it is required.

H
Wise people talk because they have something to say. Fools talk because they have to say something.

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BigDumbDinosaur
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Re: Will it manage?

Post by BigDumbDinosaur » Tue Feb 09, 2021 10:45 pm

ctwo wrote:
Tue Feb 09, 2021 3:29 pm
I bet everyone is looking up the CNC-3040 now.
Not me. The OP evidently wasn't sufficiently motivated to do some research before posting his query.
——————————————————————————————————
Research is what I'm doing when I don't know what I'm doing.

wewilliams
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Re: Will it manage?

Post by wewilliams » Wed Feb 10, 2021 4:26 pm

I also noted Posts: 1 - Joined: Sun Feb 07, 2021 1:40 pm- after AliExpress was mention.

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ctwo
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Re: Will it manage?

Post by ctwo » Wed Feb 10, 2021 8:15 pm

It could be innocence. But now I kinda feel like an accomplice...

But I wanna talk about Glenn's post. Why not just whittle away in small bits?
Standards are so important that everyone must have their own...
To measure is to know - Lord Kelvin
Disclaimer: I'm just a guy with a few machines...

Harold_V
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Re: Will it manage?

Post by Harold_V » Thu Feb 11, 2021 5:13 am

ctwo wrote:
Wed Feb 10, 2021 8:15 pm
But I wanna talk about Glenn's post. Why not just whittle away in small bits?
Depends on one's circumstances. If the project is for pay, you wouldn't be competitive, and scratching away at a part when a single pass would work gets old real fast.

Making only one off? Doing it for pleasure, not for gain? No big deal.

I shudder to think of making hundreds of parts by the scratch method. YMMV. :wink:

H
Wise people talk because they have something to say. Fools talk because they have to say something.

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GlennW
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Re: Will it manage?

Post by GlennW » Thu Feb 11, 2021 8:00 am

ctwo wrote:
Wed Feb 10, 2021 8:15 pm
But I wanna talk about Glenn's post. Why not just whittle away in small bits?
The machine in question looks to be a CNC router table, and it would appear that the person asking the question has little to no experience with machining or they wouldn't be asking.

Chip welding while milling aluminum is real, and can be a considerable issue with smaller end mills, especially if you have never milled aluminum before. Once you have used flood coolant for milling, turning, or grinding, there is no going back to dry machining if your interest is in getting the job done efficiently...
Glenn

Operating machines is perfectly safe......until you forget how dangerous it really is!

Harold_V
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Re: Will it manage?

Post by Harold_V » Thu Feb 11, 2021 3:02 pm

Heh! I can't even imagine grinding dry. I've done it, and the problems created are insurmountable. Truth is, some operations are simply not possible without flood coolant. A centerless grinder comes to mind---as does cylindrical grinding of 300 series stainless. It can be hard to grind *with* coolant.

H
Wise people talk because they have something to say. Fools talk because they have to say something.

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