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Discussion Starter · #63 ·
Things have slowed down considerably on my build. The primary reason is that I am a mentor for a local high school robotics team, and we are in the middle of build season with our first competition scheduled for the second week in March. So, it has been all hands on deck - six days a week.

However, things have not stopped completely on my build..........

Spindle Control

Still trying to figure out why I cant turn the spindle on and off from my controller. In truth I have been doing a lot of research, but not a lot of time in the shop.

Cooling System

I have pretty much figured out the configuration and how I want to mount the components on the router frame. I have an evening off tomorrow and will cut some aluminum and fabricate a mounting bracket.

I also ordered some 9mm OD x 6mm ID for interconnecting the components. This is very flexible and replaces the stiff tubing supplied with the spindle.

Z-Axis Upgrade

Still no word on parts delivery. I still need to find replacements for the timing pulley that is no longer available from Open Builds.
 

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Discussion Starter · #65 ·
Yeah, I really get a charge from working with these kids. Our first competition is the greater Pittsburgh Regional in four weeks and this is our most ambitious design ever. The robot will feature swerve drives and a full autonoumous mode. Unfortunately it sort of puts my build on the back burner, but hey, if the kids are all in - so am i!
 

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Discussion Starter · #66 ·
Yeah, I'm back. After 2 months working with these kids 6 days a week at the shop and at the practice field and two regional competitions it is time to get back to my router project.

If you recall, I was having issues with getting the controller to communicate with the VFD. After much trial and error, I definitely confirmed that the issue was not with the controller. (no need to get into the technical details, suffice it say we proved the controller is not the issue).

I went through the Chinglish manual going through all the programming parameters. Whatever I did only made things worse and there was no one I could talk to. I went on-line to some other forums and no one could help me with my issue. After all, what can you expect from a $75 VFD.

Tonight, I bit the bullet and bought a TECO Westinghouse L510 inverter. I chose this inverter because the manual is in easy to read English, has an easy to understand set-up protocol, and a great troubleshooting guideline.

Also, I need to get back to my Z-axis upgrade.

Talk to you soon

Albert
 

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Discussion Starter · #68 ·
Our Team did not fare so well at the Greater Pittsburgh Regional but we did manage a 6th place finish at the Smokey Mountain Regional in Knoxville, TN. (Out of 48 teams competing all over the Southeast)

I'm heading to the shop now to tear apart the VFD panel.
 

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Discussion Starter · #69 ·
Just checked my e-mail and this is the one message I did not want to see:
"Hi Albert,

Thank you for ordering from Marshall Wolf Automation. We are processing your order and anticipate it to ship from Illinois in 4-5 weeks via UPS Ground.

Let me know if you have questions."


I did a search of other sources for an identical VFD and I could get one in 7-10 days but at a cost of $70 to $100 more.

I still have to do a re-build of the Z-axis so I will let it ride for now.

I will post an update on the cost of this project in a future post.
 

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Discussion Starter · #70 ·
Been a while since I posted but I have not been idle. While waiting for the new VFD I have been working to install the Hall Effect limit switches. In addition I have added the CableTrax in order to keep the cabling neat and in order. While in the process of adding the CableTrax and the limit switches I ran into a couple of problems.

The first problem was that the “Y” axis stopped working. WTF! My worst fears were that the controller shit the bed. I brought out my Siglent O’scope and checked the output inside the controller box. I got a beautiful square wave signal which matched the same signal I got on the other two axes. Next, I checked the pulse signal in the distribution terminal board in the main electrical panel. Nothing… nada. The problem was in the cable or the DB25 connectors between the controller and the main electrical panel. We eventually isolated the problem to the DB25 connector going in to the main controller panel.

I have configured my limit switches as follows:

X – Home X – End of Travel

Y – Home Y – End of Travel

Z – Home Z – End of Travel

I have not wired up the Z – axis limits since I will be completely rebuilding the Z-axis assembly. However when putting the X and Y axis limits through their paces I discovered that the Y-axis end of travel limit was not operating as it should. In other words the POS was defective!

Next steps are to replace the Y – End of travel limit and start to rebuild the X-axis assembly

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Circuit component Light Hardware programmer Electronic instrument Audio equipment
Electrical wiring Audio equipment Electronic engineering Computer hardware Cable
Wood Engineering Gas Machine Machine tool
Chair Electrical wiring Cable Gas Engineering

Automotive lighting Motor vehicle Grille Bumper Automotive exterior

Motor vehicle Bicycle part Bumper Bicycle handlebar Hood
 

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Discussion Starter · #72 ·
Six weeks ago my wife underwent surgery to remove a brain tumor. For the time being I have been focused on her rehab and my project has been put on hold. Did I start this project too late in life?
 
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