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If we think of it more like a personal hobby project does it become less nightmarish? what would it take to convert a cat 50 spindle to a cat 40 spindle? what would it take to replace the bearings?...

Hi everyone,

I have the opportunity to get a Kearney and Trecker Model 2H vertical mill for a very good price, but there is a slight issue. I love the rigidity of the machine, but the spindle...

somehow that was actually something that we hadn't considered and i feel dumb for that. although we also want to do direct drive for a few other reasons (we will have a funky machine layout) so I...

Hi Everyone, I'm with a student group and we are building our own cnc milling machine to gain experience in engineering and we are having some troubles converting our spindle. We have received a 15k...

exactly what I was thinking!

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thank you for the suggestions! I will look into it

Interesting idea! do you know how that affects rigidity if at all?

Thanks for the info!

Tool steel was simply a goal as I know it is very difficult to achieve this with non professional machines. I will keep an eye out to see if I can find any ways to make this machine stand out and...

Thanks for finding that for me! I'll be taking the time to read through all you've sent me!

Agreed on the ATC! i just wanted it to be future compatible if student wanted to do so after my time on this machine is done

1)We may be limited by space... I need to get another meeting together with the head of the department to make sure but That is some good information to know!
2) you're right! I will put them on my...

Peter, I'm going to try to address all your past 4 responses in one reply so here goes:

reply 1: building by plate is a great idea! that will allow for lots of easier customization! Now, I've read...

Alright sounds good! I will try to wrap my head around the concept. when you say plate aluminum, are you meaning to create structure with them similarly to as you have designed for maximus?

I'm sorry, i guess im having some trouble understanding how it wouldn't be doubly supported. Would not an extra set of linear rails and trucks count as a connection?

As far as welded tube, we...

Thanks for the quick reply! i see it now! My thought process was to do more like the design on the rightmost side of the chaart, but mirror the gantry so across the X axis so its doubly supported. My...

Peteeng! you are a lifesaver with this reading material. Looks like i have my free time booked for a while !



Thanks for the info!

We have been told that we should have access to a manual milling machine, a manual lathe, and a tormach pcnc. not much, but hopefully enough. I actually am a certified machinist (although still a...

I just added an imgur link to an early model picture of our design to a reply to Peteeng

Your point on rigidity are noted and I'm glad you pointed them out to me!

While I would love to exceed...

1) Is Ted Hall an employee at shop bot CNC? if so I will make an effort to contact him!
2) our modeling is at a very early stage right now but I will post an image of what I am referring to by dual...

You're right about FEA in fusion! i need to look into that. As far as manual beam calculations, I do not recall doing them in any of my classes so I suppose I may be lacking in that regard. I see...

Just like my last reply, I'll try to respond to your points one at a time

1) Do you have any idea what models or years that was produced? I would love to be able to see some of those and research...

Thanks for the consideration! I hadn't even thought of that and i will look into that as soon as i can! Great point!

Hey Peter! Sorry for the later reply, cnczone hadnt notified me of any responses. First i wanna thank you for the lengthy reply, i really appreciate the thought that went into your response. I'll try...

Hi guys, I'm the president of a student organization and we are in the process of designing a fixed gantry styled CNC milling machine to donate to our University. I was hoping yall might be able to...