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Forum: MechMates already cutting Sat 25 February 2017, 19:46
Replies: 414
Views: 223,674
Posted By dbinokc
The only laser at this point is a 5mw laser. The...

The only laser at this point is a 5mw laser. The interest for now is just general experimentation and learning. So in addition to the interferometer I will do some microscope experiments, schieleren,...
Forum: MechMates already cutting Sat 25 February 2017, 13:03
Replies: 414
Views: 223,674
Posted By dbinokc
Optics Lens Holders

While the airplane is an ongoing project, I have been wanting to experiment with optics for a while. The biggest problem is holding the lenses, which having a mechmate makes easy to solve. I have...
Forum: MechMates already cutting Wed 12 October 2016, 09:11
Replies: 414
Views: 223,674
Posted By dbinokc
Plotter Pen, Material Stand and Welding Jig

First thing, I had forgotten about the plotter pen post I had made. The pen has been working well and with minimal slop. I consider it accurate enough to do combined operations with both cutting and...
Forum: MechMates already cutting Sat 14 May 2016, 21:05
Replies: 414
Views: 223,674
Posted By dbinokc
Plotter Pen

Since I am now able to cut aluminum sheet, I also want to be able to accurately draw site lines on sheet metal when I am doing bending. I never have been able to find a pen holder already out there...
Forum: MechMates already cutting Thu 05 May 2016, 06:27
Replies: 414
Views: 223,674
Posted By dbinokc
I purchased the pressure foot here...

I purchased the pressure foot here (http://www.aliexpress.com/snapshot/7591911627.html?orderId=74720421895017). There are other spindle sizes available if you search on the site.

What makes this...
Forum: MechMates already cutting Wed 04 May 2016, 20:32
Replies: 414
Views: 223,674
Posted By dbinokc
Cutting Sheetmetal

Finally I can report success cutting sheetmetal. Both aluminum and steel
The first pic is the setup on the machine. On the left is the fogbuster. To the right is a pressure foot I purchased off of...
Forum: MechMates already cutting Sat 23 April 2016, 11:53
Replies: 414
Views: 223,674
Posted By dbinokc
Fogbuster testing

I got the fogbuster in and it is working well so far. I have used it to cut a couple of 1/8 aluminum parts. I set the air pressure to about 10psi and and adjust the coolant flow to get just a light...
Forum: MechMates already cutting Tue 19 April 2016, 15:21
Replies: 414
Views: 223,674
Posted By dbinokc
Actually I did see that and have already ordered...

Actually I did see that and have already ordered one. I did think about building one of the plan based ones, but I really did not want to get side tracked on another project.
Forum: MechMates already cutting Sun 17 April 2016, 11:19
Replies: 414
Views: 223,674
Posted By dbinokc
Aluminum cutting and Mist Cooling

After a long time I decided to try cutting aluminum again. I bought a pack of 10 cheap 1/8" mills. After a bit of experimenting and 5 broken bits later I was about to get a feed and speed that threw...
Forum: MechMates already cutting Fri 02 October 2015, 20:47
Replies: 414
Views: 223,674
Posted By dbinokc
Dust collectors and dies

Been a while since I have updated. I finally got a proper dust collection system on my mechmate. No more chasing the bit around with a vacuum. I used a harbor freight dust collector as the base and...
Forum: MechMates already cutting Fri 02 January 2015, 14:13
Replies: 414
Views: 223,674
Posted By dbinokc
I would like to try cutting aluminum again, but...

I would like to try cutting aluminum again, but after destroying some rather expensive bits I am not keen to try again until I have a good plan on how make sure no more bits get broken. Next I try...
Forum: MechMates already cutting Thu 01 January 2015, 09:57
Replies: 414
Views: 223,674
Posted By dbinokc
Been a while since I have posted, so a quick...

Been a while since I have posted, so a quick update.

The tests with cutting any kind of sheet metal were a total failure. For thin sheets, I had problems with the material lifting up off the...
Forum: MechMates already cutting Sun 21 September 2014, 16:14
Replies: 414
Views: 223,674
Posted By dbinokc
I guess it would depend on how many straws you...

I guess it would depend on how many straws you are sucking through. :)
When I get the rest of the barb connections in, there will be 20 straws.

Yes, the bottom is sealed.

The ultimate test is...
Forum: MechMates already cutting Sun 21 September 2014, 09:24
Replies: 414
Views: 223,674
Posted By dbinokc
There are about 20 slots cut to the edge. I just...

There are about 20 slots cut to the edge. I just did not have enough barb adapters for all the holes. Unused holes are currently plugged up.
Forum: MechMates already cutting Sun 21 September 2014, 09:13
Replies: 414
Views: 223,674
Posted By dbinokc
Spray adhesive is a potential option, but leaves...

Spray adhesive is a potential option, but leaves a clean up problem. It would probably be my option of last resort.

Most of the thin parts (.016" and .025") are large though. Smaller parts are...
Forum: MechMates already cutting Sun 21 September 2014, 08:27
Replies: 414
Views: 223,674
Posted By dbinokc
Initial Vacuum Fixture Testing

I finally made a few initial hold down tests of the vacuum fixture Pic below.
I did not want to bore any holes through my table, so I decided to do a side port.


Hold down as far as resisting...
Forum: MechMates already cutting Sun 17 August 2014, 19:24
Replies: 414
Views: 223,674
Posted By dbinokc
Starting Vacuum Fixture

Been a little bit since my last post, so an update.

After numerous delays, I was finally able to do the match drilling of the spar doublers for my wing. Those are in the background of the picture...
Forum: MechMates already cutting Sat 12 July 2014, 23:16
Replies: 414
Views: 223,674
Posted By dbinokc
All the rib forms have been cut now. I spent the...

All the rib forms have been cut now. I spent the day verifying dimensions. What made it a little tricky was getting a good reference line to take my measurements from. I just do not trust the pen...
Forum: MechMates already cutting Sun 06 July 2014, 16:55
Replies: 414
Views: 223,674
Posted By dbinokc
Big Disappointment

Got around to cutting some wing ribs over the long weekend. I ran out of plywood and had to run into town to get some more. I also picked up some MDF to make a vacuum fixture to cut my aluminum sheet...
Forum: MechMates already cutting Mon 30 June 2014, 09:47
Replies: 414
Views: 223,674
Posted By dbinokc
For thicker pieces of Al I can see using screws...

For thicker pieces of Al I can see using screws or clamps. Not so sure about Al .040 and under. The plan at this point is to build a 2x4 foot vacuum fixture. This will be large enough to handle most...
Forum: MechMates already cutting Sat 28 June 2014, 18:46
Replies: 414
Views: 223,674
Posted By dbinokc
More Aluminum cutting tests. Fail

Did some more tests with trying to cut .025 sheet aluminum

Unfortunately this just resulted in breaking my new 1/8 inch down spiral O-flute bit when the sheet metal shifted white trying to do a...
Forum: MechMates already cutting Sun 22 June 2014, 18:25
Replies: 414
Views: 223,674
Posted By dbinokc
Cutting Wing Rib Forms

Over the last few weeks I have been focused on the wing spars for my plane. Beyond cutting some spacers, I have not used the mechmate for a few weeks.

While waiting on new drill press, I decided...
Forum: MechMates already cutting Wed 04 June 2014, 18:01
Replies: 414
Views: 223,674
Posted By dbinokc
DIY cable chain option

For someone who wants to make their own cable chain might want to consider doing something like what is described at
http://makerplane.org/?p=1753
Forum: MechMates already cutting Sat 31 May 2014, 20:31
Replies: 414
Views: 223,674
Posted By dbinokc
If you are into aviation documentaries as well I...

If you are into aviation documentaries as well I can highly recommend Wings of Russia.
You can find it on youtube. It is an 18 part Russian produced series on the history of Russian/Soviet aviation....
Forum: MechMates already cutting Sat 31 May 2014, 19:20
Replies: 414
Views: 223,674
Posted By dbinokc
Hurshy, I would like to build the flange dies...

Hurshy,
I would like to build the flange dies out of steel, but I can not get access to any that is a large enough diameter.If worst comes to worst, I can cast aluminum. However, at least for the...
Showing results 1 to 25 of 168
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