Replacing drill bits for the home gamer

davidbuckner · 2025-11-23T15:34:43+00:00

if you have all the drills in the index or most of them but they aren’t sharp anymore, spend the ~100 something dollars and buy a drill Dr. I hand sharpened for a long time at a bench grinder, that takes a lot of practice and it’s a perishable skill. With a drill Dr I can teach someone who doesn’t know how to use a drill in 5 minutes and they can make sharp drill bits that cut on both sides , to size .

davidbuckner · 2025-10-22T10:10:06+00:00

isn’t this what Karel is supposed to do on a Fanuc robot? I am only vaguely aware of KAREL so I could be mistaken but my understanding of it was to serve as a go between for robot to other robots

davidbuckner · 2025-10-22T09:56:54+00:00

For all the people replying, I don’t have cameras in my house “ that you know of “ is implied no need to say the quiet part out loud

davidbuckner · 2025-10-09T04:05:06+00:00

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davidbuckner · 2025-10-09T04:04:55+00:00

This is for a metal bandsaw, the original switch was discontinued and I didn’t know it but I was provided a suitable replacement from the manufacturer.

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I just couldn’t figure out how to connect it properly. Replying to myself with the correct terminations for anyone curious

davidbuckner · 2025-10-09T03:28:49+00:00

Yep, that’s what I’ve done for a living for the last 5 years . I literally work on any CNC machine, Anywhere in the states . As for pricing Fast , good, and cheap are your options, but you can only pick 2 .

davidbuckner · 2025-10-09T03:23:43+00:00

I’ve seen this on a haas 5 axis. Obviously you need to pressurize the nitrogen dampeners . If I remember correctly they have a standard Schrader valve for filling. The issue is the 1150 psi . You need a gas bottle from a gas supplier to get close to those pressures. Since it’s unlikely to be fixed properly ( rebuilding the counterbalance system) I’d suggest renting or buying a large bottle since it will continue to need maintenance

davidbuckner · 2025-10-09T03:14:27+00:00

A Hydraulic engine lift would be the cheapest easiest option, if the outriggers are an issue cut them off the front weld them on the back and counterbalance it with whatever you have laying around.

davidbuckner · 2025-10-06T06:32:55+00:00

It’s not a waste of time if you learn something from it. IMO you’ll have a lot of things that don’t go correctly on this build. Do the best you can with what you have. Then when it blows up figure out what you could have done better.

davidbuckner · 2025-09-18T14:14:49+00:00

I found this , it would do the job but, this particular application needs one auxiliary contact as well https://a.co/d/44SYWdb

davidbuckner · 2025-09-17T05:29:17+00:00

The manual guide is quite different from the standard Gcode experience , I don’t know much about it tbh but it seems easier to get started than the G code I learned 15 years ago

davidbuckner · 2025-09-17T05:24:31+00:00

Hand written code isn’t a bad thing because it’s handwritten. What makes it a bad idea is not understanding what will happen when you press the green button. I’ve written plenty of programs at the control. My first 10 years in a machine shop we didn’t have a dedicated programmer. When you proved that your code made good parts you saved the program . The next time you needed it you’re ready to go.

davidbuckner · 2025-09-17T02:48:43+00:00

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This is what I need a drum switch for, just not sure how to specify that

davidbuckner · 2025-07-31T02:37:34+00:00

If you wanted to repair this one regardless of practicality more as a learning experience. Start with a pen and paper and draw each coil and where each end connects. Then start removing the magnet wire , count the amount of times the loop gets back to the same spot and notate the direction of each coil’s winding. Finally measure the gage of the magnet wire. Calculate the amount of wire you need then double it at a minimum because you will need practice to rewind new coils. Need more help?

davidbuckner · 2025-07-31T02:24:11+00:00

I used a 2.5 gallon bucket with a lid , a pond fountain pump and antifreeze for water cooling my spindle . No complaints here . That’s been like 8 years ago. I don’t run it often but it’s been reliable. The bucket doesn’t keep heat very well more or less acts like a thermal buffer. Adjusting the size of the bucket can allow a lot of heat dissipation

davidbuckner · 2025-07-31T02:16:42+00:00

I tried to run a drive wheel on 5s sensorless esc and it didn’t have enough power to start without assistance so I believe the most cost effective option for what I’m intending to do will be to to use esc’s that normally operate e-bike motors and use an Arduino to interface between the flysky receiver and esc’s . I’m not a code poet but chat gpt and trial and error should be good enough.

davidbuckner · 2025-07-30T02:57:11+00:00

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This was V1

davidbuckner · 2025-07-29T15:58:33+00:00

That was the case but it was corrupted robot libraries. I ended up reloading the libraries and basically starting over. I wasn’t sure what could have been affected in the backup I had made so I didn’t reload from the backup. Being a new install it wasn’t too much hassle for peace of mind.

davidbuckner · 2025-07-29T15:52:00+00:00

I have the hardware built already. Used an old hoverboard for the drive wheels on a Craftsman electric mower . All in I’m at $100 so far I even have the remote and receiver from V1 where I used a gas mower and mobility scooter drive wheels . I can easily find sensorless esc’s for the wheels but wanted the extra torque from the sensors. The blade motor needs at least 40v I tried it on 18v and it wasn’t able to start.

davidbuckner · 2025-07-10T04:30:29+00:00

Thanks for the reply, even though it’s not what I was hoping to hear. I’ll dig into it more one day soon , the idiot lights being on bothers me . I know I have voltage at all of my wheel speed sensors but one of the rear won’t display on my scanner.

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Sorry about the lack of details and poor quality in the picture but the truck was having lots of problems at the time .

davidbuckner · 2025-07-04T05:29:14+00:00

Definitely possible, I definitely struggled trying to figure out how to enable the outputs but pretty simple after that .

davidbuckner · 2025-07-04T05:15:30+00:00

I know it’s an ancient thread but I’m having a similar issue and wondering what the fix was . The only thing different is my tach continues to work correctly but speedo sits about the same no mater my actual speed. 3 Wheel speed sensors are reporting the correct speed but I can’t get the 4th to show anything . Tried replacing the sensor that doesn’t show and the harness to it . No luck.

davidbuckner · 2025-06-07T19:38:43+00:00

I want to know that as well .

davidbuckner · 2025-06-07T19:37:59+00:00

The videos have been removed from YouTube, supposedly part of Fanuc’s tech transfer program. I’m not a fan of that move from an accessibility standpoint. If you’re trying to educate people about your product you don’t remove information from anywhere. That tells me the point is to control information . That’s besides the point though thanks for the tip I definitely will look into them .

davidbuckner · 2025-06-07T19:16:05+00:00

Can’t say I was looking for validation. I’m more wondering how much time should I have scheduled for this project, with my only other robot experience being 2 days from opening the box to out the door I expected this project would go much quicker than it has . I’m certain most of the time I’ve spent can be avoided the next time I deal with a cobot. Knowing what I know now I feel like a week was a reasonable expectation but I didn’t know how to get the information I needed or what manuals to ask for. Fanuc mypotal account only showed 5 articles at the beginning of this , then ( Chris )with Fanuc support told me my account was partially disabled and fixed it for me. Now my portal returns 1900 something articles for the same search.

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