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no way to use an engine hoist in my scenario. The weight cant extend that far past the front wheels or it would nose dive and it would have to extend very far past front wheels because they will hit...

deralin strips on the sides to prevent racking seems like it would probably keep it running smooth, I agree it probably would not survive as a bearing sleeve+flange on its own

yup the trolly i...

my beam is 4ft long with 3 sets of supports. my max expected load is 4 - 500 lbs. My load test was 800lbs

the trolly design is interesting. one thing I wonder about, in commercial units the wheels...

hi driller,

the counter weights are necessary so that it rolls evenly when it doesnt have a load attached.
otherwise it would be up on two wheels due to motor weight.
the counter weights only...

lol I can imagine punching the numbers was fun

that came out very nice thanks for sharing :)

great video thanks for sharing ! I really like the way you used the limit stops to set the length of cut and then auto index when the carriage returned home. Cutting the dial in 3 passes is a really...

great look forward to the video good luck :)

I havent tried to paint the numbers yet, thought about it but the weather got nice so have been distracted. nailpolish would have been my first thought too.
The dial in the holder is the finished...

Hi Driller, The set up looks good thanks for sharing :)

I don't have a video on punching the numbers but I did take a picture of the jig I used, basically I cradle the dial, the piece of wood that...

here is a quick video I thought you guys might enjoy on a quick setup for DIY graduated dials.

https://www.youtube.com/watch?v=GeClCRm-IcE&list=UUhIoXVvn4ViA3AL4FJW8Yzw

The design of the Rotary...

I would love to see some of the solutions others have come up with for moving heavy things around the shop more easily.

I will start with a couple of mine.

the first one is a modification to a...

Couple small updates to this thread, I ended up having to upgrade both the power supply and the stepper motor to get more power. I am now using a NEMA 23 269in/oz stepper, and a 12v 5amp power...

thanks for the link its always great to see others work !

Here is one more I found from Shane Loucks

Post: http://www.cnczone.com/forums/arduino/215402-cnc.html#post1457414
Video: ...

Hey guys thought I would share a quick Project that I put together this week. I have to make a couple graduated dials for an old metal lathe restoration. I am doing it on the cheap so just bought a...

after spending half a day reading through spec sheets and doing searches, I ended up finding a compatible set of plugs for the lotos ltp500d torch. CNX-505, and CNX-510 are the vendor order numbers...

ok great thanks, I will see if I can find matching plugs to put inline so I dont have to cut anything

what were the connections on the plasma cutter side of the equation? i have a lotos ltp500d with pilot arc. it says cnc ready, but I am not sure how to rig it up to an external relay or switch.

Heya Mike, looked up the youtube videos. great job on the plasma table! How did you hook up the relay to start the arc on the lotos?

Want to make a pantograph tracer setup with a foot pedal to...

zip code here is 14712 which is western ny near erie PA.
I weighed it, and its 35lbs so I guess I can probably ship it usps if you want to pay shipping. rockcliff frames are made of MDF...

Hey guys,

just did a tear down on my rockcliff to free up some work bench space.

If anyone is interested its yours for the taking.

includes gantry, base, and y table. (I am keeping the x-z...

glad to hear it worked well for you grantman :)

ger21, it only removes G1 points does not ( or rather shouldnt :) touch any arcs...so a smooth of 3 would take out 3 sequential G1 points skip one,...

thanks,

yeah has been lotso work but fun as hell :)

couple things i had to make work arounds for and couple things i had to ditch and rework, built it for experience/fun so invaluable learning...

oops forgot to update this thread :)

i really liked the floating head idea, but being rather ughh...lazy I figured
I would start with a solid head first just to get up and running fast

I also...

tore the machine down for winter storage , had it apart and packed up in about an hour and a half, not bad.

while it was down i figured i would clean up any loose ends left over from initial...

attached, please see readme.txt before use

as always safety is up to the operator, no results guaranteed standard disclaimer blah blah

requires vb6 runtimes and comctl32.ocx

good idea grantman, will add that and allow user to specify how much difference to ignore

will probably upload this weekend sometime.

i tried both tslots and an array of those threaded inserts

still want a vac table but I have ended up using the simplest and most
flexible thing yet.

3/4" sacrificial board screwed down on top...

When i made my RockCliff i got all the hardware parts from here:
(default hardware was about 100 bucks i think). they also carry ballscrews/nuts if you want to go that route (or ebay it)
...

Going to be posting a new (small) project soon. Needed the following:

- way to easily strip all negative Z offsets from traditional CAM program for using program with plasma table

- way to...

finally got around to testing it out with the plasma cutter :)

did not use a THC, just using the Z stepper to power the torch
up and down. mounted the torch solid did not use the spring
platform...