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-   -   5x10 ft Mechmate together!!! #123 - Los Angeles,CA (http://www.mechmate.com/forums/showthread.php?t=4802)

st_indigo Fri 07 November 2014 23:30

5x10 ft Mechmate together!!! #123 - Los Angeles,CA
 
I have a backlog of about 1 year's worth of progress photos.

It's been built with sporadic work on the weekends, odd hours on weekdays after the kids have gone to bed, and whenever I could sneak in time in the garage, but it's nearly done.

I guess now is as good a time as any to start posting photos of my progress. :D

Cleared half the garage to make room for the beast:

https://farm4.staticflickr.com/3740/...270ceeba_h.jpg

Welded the base table:

https://farm4.staticflickr.com/3756/...66494bcb_h.jpg

Applying primer coat with a HVLP spray gun:

https://farm6.staticflickr.com/5555/...67db472c_h.jpg

st_indigo Fri 07 November 2014 23:34

I went with Chevy Red-Orange for the gantry, Y-car, and rails, with the supports of the base table in white enamel.

Black oxide hardware rounds out the look.

https://farm4.staticflickr.com/3929/...9ef87930_h.jpg

Fox Sat 08 November 2014 02:38

Welcome, looking forward to your progress!

darren salyer Sat 08 November 2014 05:56

Welcome!! Looks like a great start.

servant74 Sat 08 November 2014 10:25

Looking good!

st_indigo Sat 08 November 2014 11:07

Gantry welded:

https://farm8.staticflickr.com/7474/...79752c69_h.jpg

Y Car welded:

https://farm8.staticflickr.com/7574/...b413d96c_h.jpg

st_indigo Sat 08 November 2014 11:21

Painting the Y Car:

https://farm4.staticflickr.com/3944/...96af9b2c_h.jpg

Tom Ayres Sun 09 November 2014 04:27

Now I like the Chevy Orange better than the Ford Blue (which I have). Rock on, looks great Phillip!

st_indigo Sun 09 November 2014 16:01

Thanks Tom. I'm really happy with how it looks. I thought the blue was a bit stodgy and wanted something I wouldn't mind looking at for long hours.

st_indigo Sun 09 November 2014 16:03

More progress photos:

Welding the X-racks. I tested their fit by manually rolling the pinion gears over the welds. I felt a slight resistance on one of them so I cut it apart and re-welded:

https://farm4.staticflickr.com/3950/...1384535f_h.jpg

st_indigo Sun 09 November 2014 16:05

Checking placement of the Y-axis rails and checking that the Y-car fits. Next build, I will drill the gantry tubes BEFORE welding:

https://farm4.staticflickr.com/3954/...e5ccc64a_h.jpg

st_indigo Wed 12 November 2014 14:51

more progress photos
 
Milling brackets for the spindle from 0.750in aluminum:

https://farm6.staticflickr.com/5614/...002e93d6_h.jpg


The finished brackets after easing the edges with a bit of filing:

https://farm4.staticflickr.com/3945/...ca8420a5_h.jpg

The completed Z-slide with spindle mounted:

https://farm8.staticflickr.com/7533/...f01ce0cf_h.jpg

Tom Ayres Wed 12 November 2014 18:06

Awesome Philip!

MetalHead Sat 15 November 2014 03:22

Cool , welcome and your not going to slide that Mill work on that spindle brace by us without details !! :) Is that CNC? Or mad hand milling skill?

st_indigo Tue 18 November 2014 13:16

1 Attachment(s)
Oh that? Yeah, it's CNC milled for sure. 0.750" 6061 aluminum done with a spiral up cut end mill.

I used my desktop machine which is barely rigid enough to get the job done. Lots of pauses to clear chips and a spray of WD40 here and there to keep things moving. I've attached an SVG version of a bracket pair in case anyone wants to make a set for themselves.

st_indigo Wed 19 November 2014 11:05

wiring and assembly time!

https://farm6.staticflickr.com/5613/...48928d0d_h.jpg

st_indigo Wed 19 November 2014 11:07

https://farm6.staticflickr.com/5606/...a7ce13c6_h.jpg

st_indigo Tue 25 November 2014 10:01

Y car completed!

Since I had to run power to the 12v brick for the cooling system I went ahead and added a 110v outlet that could be used for a router (backup option) or other accessories.

https://farm8.staticflickr.com/7541/...861ca6ce_h.jpg

Tom Ayres Wed 26 November 2014 03:25

Make sure you purchase a back-up pump, mine failed in three months. I bought two.

KenC Wed 26 November 2014 07:12

If a pump will fail in 3 months, you shouldn't consider using it at all.

servant74 Wed 26 November 2014 09:26

Some equipment fails because 'it failed', some due to design or material choices. If the second pump fails, or while it is still working, you might want to get another (if they are cheap) or look into a different pump that has a history of being reliable.

I had old plastic pumps in a swamp cooler for years. Every spring I swapped them out and over the year 'rebuilt' the 'old one' I just removed. It was always a matter of inspection and cleaning, lubrication, clean or replace cheap brass filter screens, and set it on the shelf for next year. If something really broke, it gave me time to replace a part or if the whole pump was lost, get another pump for 'the shelf' and next replacement time.

Those pumps worked 6 to 12 hours per day during the summer in El Paso. There was lots of sand (blown in by dust storms), and other debris. So they led rough lives. But I never had one fail mid season. -- Preventative maintenance goes a long way.

But there are always the 'lemons' in the bunch. That is another reason for having 'a spare' of any critical path parts.

I would hope that you could find some pumps that are as reliable (and easily and cheaply maintained) for this application.

Fox Wed 26 November 2014 12:12

Ken, did your first pump not fail on you if memory serves me right ? ;)

st_indigo Wed 26 November 2014 13:33

Pump recommendations?
 
This was one of the only pumps I could find that had an integrated coolant reservoir. I considered using a separate tank which would have allowed for a more robust pump, but this was the easiest way in terms of setup/fabrication/cost.

Do any of you have suggestions for a better pump with an integrated reservoir?

KenC Wed 26 November 2014 13:39

My 1st pump system (aquarium pump + reservoir on the Y car) failed & I replace the whole system with a standard lathe/milling coolant system with the tank + pump on the floor, ended up with ~USD80 more expensive but it is reliable & minimal maintenance... The "new" pump stop working twice, the 1st was some rats got to the power cable... the 2nd was I accidentally pulled the cable off.

Tom Ayres Wed 26 November 2014 16:05

Ken you are right, mine had to be defective, junk from china.

KenC Wed 26 November 2014 21:58

Or the pump selected is totally not suitable for the application.

Fox Wed 26 November 2014 23:12

I am using a sicce impeller pump. Silent and it did not fail (yet). Make sure you choose the right one though with plenty power and feed height, for a kitchen table test anything will do but once on the table with long lines you need some power and feed height.

st_indigo Mon 01 December 2014 14:09

MM logo applied! Moves and cuts under computer control!

Can I get a #?

Looks like #123 is next in the list. :)

https://farm9.staticflickr.com/8611/...385482f4_b.jpg

MetalHead Mon 01 December 2014 20:56

Great looking machine. Any shots of it making dust?

KenC Mon 01 December 2014 21:08

If you ever do any cutting, you will find your radiator fin clog up with dust in no time.


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