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Re Damping.

This (Excellent) paper may interest you of you are thinking of building a machine and filling steel tubes with damping material. There are practical examples towards the end. Of note...

Hi All

Firstly, glad to hear you have moved to the Apple isle Kit, its a great place to live.
I have made the project open source.

I decided to open a GrabCAD page and have posted the CAD...

Hi Joe
Hi All

Also see previous post LeoLFS

If you are wondering what we have been doing while holed up due to Covid the following design has occupied us for quite a while. I am also halfway...

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Sorry I have not been around much we are moving house.

Below is a a few quick screen grabs of a concept design of a device to create a flat surface directly on the support tubes of a CNC...

And no paper does not help!

HI All

Well Put Joe. "Devmonkey"

This thread "is about developing a open source optical metrology system using very cheap components for the benefit of anyone who wants to measure anything...

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Gee who would have thought this thread would have generated so much interest.

I am tempted to bring up the possibility of automating bed machining using software!

The following is...

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Greetings from Melbourne Australia.

The Melbourne Society of Model and Experimental Engineers (MSMEE) Exhibition held over two days was a great success and good fun.
The society meets...

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Today I tested the software using a 640 x 480 VGA webcam without a lens and #2 Roslau Music wire (0.0010" thick).

Digging around the workshop I resurrected an accurate XYZ jig table I...

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As some of you may know I am interested in using a stretched very fine .008" piano wire to determine straightness using a microscope.

I posted my thoughts through this post here on this...

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Some good progress. The saddle and Z Axis has been cast and machined.

25555

More photos at my blog at the other place.
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Machines that have to be "Trammed" can have built in sliding or rotating adjustment, they have finely finished surfaces held together by clamping screws. They only work in one plane there is no gap...

Hi

If you are going to set a machine up using jack screws the frame members will end up only touching at a few points, while this may achieve good frame geometry and depending on the fasteners...

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At last the base, columns and cross-member are one and I don't believe I could achieve the level of accuracy obtained without a laser cut mold.
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Found a photo of the setup I mentioned, it was just a lashup for a one off, it worked well. Note the bolted on wire support and adjustment unit

25421

Hi all

One quite simple way to set rails straight is with a stretched wire. Together with a cheap digital microscope (Get one with electronic cross-hairs) off the net. Alternately an optical...

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I just completed the columns for the mill next is the base, an exciting step as for the first time the frame of the machine can be tested.

I have a full write up here....

Some extrusions have a central hole, if yours has one you can turn the ends between centers if you have access to a big enough lathe. obviously there will be a small pip left, that can be removed...

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Its been a while since I popped in here, I am working on a new milling machine build. This not a light weight design. It has been designed to work with steel or Aluminium depending...

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This is my first post at MYCNCUK

This is an old thread but I hope the information helps, I have made a machine using Epoxy. It has a cast base and also two cast carriage ends. And these...