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Thank You! The best of it is yet to come!
Hopefully soon if the Covid19 pandemic decides not to "create" another variant!

I have named this post "Powerful precise and mobile CNC for steel milling". Today I am able to confirm the successful trial of a 3/4" (19.05mm) diameter, 3 flute index carbide. At 5mm cut width it...

Covid vaccines are ramping up, however cannot not be administer fast enough and now we are in the 3rd shut-down in Ontario Canada. The children are back home for online classes.
This machine was...

That is a very good idea Zorbit!
I did that in the following video. I just turn the spindle on before applying force to the tool:
https://www.youtube.com/watch?v=B0wCOuC_nGQ
At under 3 thousand...

Hi Andreiir, Your question on "why engineers engineers make laping on heavy structure , to make it flat" should be answered by the engineers that design machines that way. My personal guess is...

Now that I have a Patent Pending on my design, I can share a little more information. The following video shows the precision that can be achieved using the close box axes design. See the snapshot of...

Ha ha ha! Thank You matec54! You are precious!

I will upload more videos and pictures soon. In the next video I will use a 3/4'' 90 Deg Square Shoulder 5 flutes Indexable End Mill.

Because Covid is showing signs of not backing up, I have decided to offer my services for free, for a limited time, to those interested to build a machine similar to the one I have build. You will...

OK. Let's push the reset button.This thread is about a machine that has not been build before and nobody else (other than me) has experience with it. I am posting just results of what the machine can...

That is an excellent video, and all finding are very true, However:
- Cutting steel with a carbide tool and a router is a health hazard...

With terrible sound and chatter or not, I still have build the "1st steel milling CNC made with T-Slot Extrusions"!

Can you post a video of a CNC using Dremel to cut steel?

"The proof is in the pudding" Is it suitable now? https://www.youtube.com/channel/UCCA...XLsU7Jg/videos

Hi "machinedude", you are correct on:

1.)The surface finish was not very good indeed. I do not remember if I used a finishing pass or the tool left "scratches" because I did not restrained the X...

I would love to add comments to your calculations however I cannot reveal design data. Please use testing data instead.

Hi guys, I was able to measure vibrations while milling steel. The video is called "Vibration monitoring for steel milling" and is located at my youtube channel...

Hi Andreiir and Zorbit,
I have friends that invested more than $1M to buy milling machines. They are very scared that some of their jobs will be taken away from guys that invested only $10K on...

Hi Andrew and joeaverage,
I have started to add videos to my youtube channel. The video and audio quality will get better on the next posts.
There are few comments that I would like to add:
-...

Sorry for late response. I am working on video and vibration analysis in the same time. Formatting the results will take some time.

Hello all, for the last few years I have been designing a CNC machine that has the following features:
- spindle is powerful enough to be used for steel milling using typical end mills size and...