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54 Posts
Discussion Starter · #32 ·
It's Beginning to look like a CNC Router

I was on a roll today! I started by fitting the gantry assembly to the 2080 x 750 mm side rails. These side rails sit on top of two 2040 x 494 mm cross pieces at each end of the base assembly. The "X" and "Y" rails are joined by a special end plate that you can see in the photos. In hindsight I should have made a drawing of these end plates because I cannot find them anywhere from the usual sources on the internet.

Well, I'm not going to disassemble this puppy just to take measurements and make a drawing.

Next, I added the 454 mm long piece of 2040 above the 4954 mm long pieces (the photos tell it all better than I can describe). It's important to mention that you have to plan ahead in order to avoid dis assembling later just to add some "T" nuts. So, I inserted 3 T-nuts into the top of the 454 mm 2040 for attaching the spoiler board, two additional T-nuts in the 494 mm section for attachment of the router to the plywood base, as well as the T-nuts required for the triple L-brackets.

Finally, I added the two 2080 x 710 mm Y-axis spoiler board supports and base frame stiffeners. These were secured to the 2040 cross pieces with triple L Brackets as shown in the photos.

During the entire assembly process, I was constantly checking the assembly for squareness using machinist squares and calipers. When I was satisfied with the squareness and alignment i tightened all of the fastening screws.

Mechanically, I see five major steps to accomplish going forward:
  1. Install the timing belt mechanical dive system
  2. Mount the spindle
  3. Mount the spindle cooling system
  4. Install the spoil(er) board
  5. Fasten the router to the table base
Tomorrow I am off to Lowes to buy some MDF. I promised to help my grandson with his physics project, and I may (not promising) get back to wiring the control panel.

I want to emphasize once again that the instruction set that I am working from is NOT the same machine that I am building. However, it is a helpful guide as I slog through this process.

Until next post...

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54 Posts
Discussion Starter · #34 ·
As promised, getting into the wiring of this puppy. First, I finished all of the openings into the electrical cabinet and installed the rocker switch, the fuse holder and the IEC electrical power connector.

All of the external connections other than the DB25 will be via 4-pin aircraft connectors. I mounted these on the side panel below the DB25.

A good deal of time was spent crimping and installing the contacts into the DB25 making sure that they matched up with the connections to the controller.

I wired up all of the 110 VAC connections to the 12V and 24 V power supplies. Still need to tie all of the grounds together.

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54 Posts
Discussion Starter · #38 ·
The Movie is Dr. Strangelove: Or How I Stopped Worrying and Learned to Love the Bomb It was released in 1964

The actor in the avatar is Peter Sellers playing the role of Dr. Strangelove. In the movie he also played the roles of RAF Group Captain Lionel Mandrake and President of the United States Merkin Muffley.

Produced and directed by the incomparable Stanley Kubrick.

54 Posts
Discussion Starter · #40 ·
Spoiler Board

Went down to my local Lowes and purchased a 4' x 8' sheet of MDF. Took two of us to get it off the shelf and over to the cutting station. It yielded five pieces of spoiler board 17-7/8" x 29-1/2" enough for a lifetime (mine anyway). :giggle:

Set one of the pieces into the router and it fit perfectly!

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Electrical Control Cabinet

Meanwhile, back in the electrical department:

  • Finished all 110 VAC connections
  • Finished wiring up the 36 VDC bus and distribution
  • Wired up the 12 VDC connections for the cooling fans
  • Wired up the 24 VDC power connections for the RMHV3.1 controller
  • Completed all of the connections from the DB25 to the distribution blocks on the DIN rail
  • Completed all of the wiring into and out of the stepper motor controllers
Next I took my DVM and checked for any short circuits as well as continuity from the distribution blocks on the DIN rail to the DB25 as well as the stepper motor controllers. I plugged in an IDE power cord and connected the controller box to the electrical panel via the DB25.

Without any further procrastination I flipped the power switch on and...


The fans are running, the stepper motor drivers are energized, the RMHV3.1 controller is energized and sees no faults.

There is much more to do. I have to wire up the limit switch outputs as well as the spindle control outputs. Then, after testing, I have to re-locate the electrical control panel to the router cabinet base. Then, connect the stepper motors and make sure we have proper rotation.

Meanwhile we still have to address the 220 VAC side and the spindle VFD.

So here are some pics from a rather exciting week for an electrical geek:

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54 Posts
Discussion Starter · #41 ·
Hope everyone had an enjoyable Christmas holiday! Time to get back to the build.

Spindle Mounting Issues

As you may remember from one of my earlier posts (#20 & #23), the spindle I purchased came with a mounting bracket, and quite a mounting bracket it is! Weighing in at over 2 pounds this is an impressive hunk of metal. However, try as I might, and in consultation with some other knowledgeable folks it was determined that this mount would not work out for my build. So, I searched the net and found what I considered a suitable replacement and ordered it. Here is a pic of the bracket that came with the spindle:

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The new bracket arrived this past week. Unfortunately, using this new bracket is not going to be as straightforward as I anticipated. The biggest obstacle is the interference with the roller mounting screws. These screws protrude past the rollers and lock nuts 3.7 mm and interfere with anything bolted to the Z-axis 2060 that extends past the 60 mm footprint.

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If I shortened the roller attachments crews from 65 mm to 60 mm there would not be sufficient penetration into the lock nut.

I had purchased a 12” square of 3/16” (4.7 mm) Type 6061 aluminum plate which I was going to use in order to fabricate an adapter to use with the original spindle mounting bracket. As I mentioned previously, the screws protrude 3.7 mm past the lock nut. By attaching the new mounting bracket to a spacer plate fabricated from the 3/16” stock we can achieve 1 mm clearance between the new spindle mounting bracket and the protruding roller mounting screws.

Now 1 mm is not very much, so I plan to place a 1mm washer under the head of each roller mounting screw. There is plenty of clearance in back of the mounting plate to facilitate this. The result will be to reduce the protrusion to 2.7 mm, and provide clearance of 2 mm between the screws and the spindle mounting bracket. Or…………

I can simply take out my Dremel, attach a cutoff wheel, and cut the bolt protrusion flush with the nut. Always a very good possibility.

Here is a drawing of the spacer I intend to use sandwiched between the Z-axis 2060 rail and the spindle mounting bracket. Notice that the spindle mounting bracket and spacer are attached to the Z-axis rail with the 5 mm dia. screws.

Rectangle Slope Font Parallel Handwriting

Finally, there is one other issue that needs to be addressed. The Z-axis rail in my router is 60 mm wide. The new spindle mounting bracket that I just purchased can be used for both 60 mm wide and 80 mm wide rails, but……….

When you bolt on the right angle corner brackets using the 60 mm mounting holes, the corner brackets protrude into the spindle opening. I will have to grind or mill off a portion of the corner bracket in order to fit the spindle into the bracket opening.

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As it turned out, I spent about 15 minutes with a half-round bastard file and the spindle slipped right into the hole.

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54 Posts
Discussion Starter · #43 ·
Woo! Yoo!

I have my DB25 cable from the controller to the main electrical cabinet checked out and no problems.

Next, I made up a 4-conductor cable to go from the main electrical panel to each individual stepper motor. Now for the moment of truth.:rolleyes:

I connected the X-axis cable to the X-axis motor using a 4-position terminal strip. I powered up the main electrical cabinet, reset the hand held controller, set the mode to MPG and rotated the MPG wheel. Yeah! The X-axis motor moves. I then changed modes to step and the X-axis motor moved one step each time I pressed the controller button. Finally I switched the mode to CONT and pressed the X- axis button and the motor ran as long as I kept the button pressed. Worked in the opposite direction as well.

I repeated the process with the Z-axis. Here I had to be a bit careful because I only had about 1/2" of travel due to the bloody screws sticking out. (See my previous post). Yet again I experienced great results in all three modes.

Moving on to the Y-axis, I repeated the same procedure, only this time there was no movement of the Y-axis motors. Time for some troubleshooting, but not tonight. I am dead tired after fighting with lasers all day. Should not be a difficult problem to solve.

By the way, is it possible to post videos?

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54 Posts
Discussion Starter · #47 ·
Hope everyone had an enjoyable, healthy and safe New Year Holiday.

With that being said, let's get back to the business of building a CNC router. Recall from my previous post that I had the X-axis and Z-axis working in all three modes.
  • Continuous
  • Pulse
  • MPG
However, the Y-axis motors would not operate in either of the three modes.

I have a handy little DMM that has the capability to display waveforms (what wont they think of next?). I checked the pulse output for the X and Z axes and sure enough I got a pulse waveform. I was lokking for something resembling a square wave or trapezoidal pulse, but hey, as the paramedic said, "I got a pulse".

Ah, but there is no pulse signal on the Y-axis when measured at the terminal board. I checked the Y-axis pulse terminal in the RMHV3.1 controller, and the controller was doing its thing generating a pulse. I checked the continuity all the way back to the terminal board in the main electrical cabinet. That is where I was losing my signal!

I pulled the wire out of the terminal block and checked for pulse. Yes! It's there!

All of the signal wires going into the terminal distribution blocks are 22 AWG. 22 AWG is the threshold for reliable contact.

My solution was to put ferrules on all of the signal leads going into the terminal distribution blocks. I now have control of all three axes through the RMHV3.1 controller. :giggle:

Meanwhile other things are happening with spindle mount modifications which I will detail in a subsequent post.

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54 Posts
Discussion Starter · #48 ·
Been under the weather the past few days – just wanted to stay in bed, stay warm and sleep. Finally got back to the shop last night and got some mechanical work done and a bit of wiring in the electrical cabinet.

Recall back in Post #41 I discussed some of the spindle mounting issues that I was experiencing. Basically, the new spindle mounting bracket that I had purchased was hitting the roller mounting screws. What I needed was an adapter plate in order to mount the spindle mounting bracket to the Z-axis rail.

I procured a piece of 3/16: aluminum plate and cut out an adapter on an Axiom Auto Route Pro+ B18 using Vectric 2D software. I got the part home and found out I had a problem. The spacing of the gaps in the Z-axis rail are 40 mm center-to-center. I assumed the spacing of the holes on the right-angle mounting brackets would also be 40 mm center-to-center. Wrong! The holes were 42 mm center-to-center and resulted in the screws hitting the sides of the mounting holes.

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Rather than bastardize the mounting bracket, I trudged back to our maker space and cut a new adapter plate with the correct hole spacing and I made the plate a bit shorter and narrower. The holes for mounting the spindle bracket were drilled and tapped for M5 screws. The three holes at the top and bottom of the plate were drilled to 5.5 mm. Then I got sick.

After regaining my strength, I went down to the shop and attached the spindle mounting bracket to the adapter plate using four M5 x 10 mm screws. Then this sub-assembly was attached to the Z-axis rail using six M5 x 10 mm screws. Finally, I inserted the spindle into the mounting bracket and tightened it down. I didn’t take time to get everything perfectly plumb because I was anxious to see how the NEMA 23 stepper motor would handle the load. I energized the electrical cabinet and ran the spindle up and down using the controller and the MGP. The motor handled the load without breaking a sweat. Everything looks good except those screws are only 1 mm away from the mounting plate as you can see in the photos.

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I was on a roll so I decided to install the pulleys on the Y-axis and X-axis motors and proceed with the GT3 belt installation. It was here that I ran into another problem. The GT3 belt is secured at each end of the rail sliding the belt under a T-nut and clamping down with a 5 mm screw. This assumes that you have room under the T-nut to slide in the belt. This only works if you have flat T-nuts. I prefer to use machined T-nuts which have more thread and provide more secure attachment when mounting to the rails. However, they don’t work so well when you want to use them to clamp down the ends of the timing belt. I ordered some flat T-nuts from McMaster Carr which will be delivered on Tuesday. That will finish up the mechanical assembly.
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54 Posts
Discussion Starter · #49 ·
I mis-spoke! I ordered the flat T-nuts from Amazon and they were delivered today!

I installed and secured the timing belt on the X-axis and gave it a quick test. The motor missed steps and stalled if I kept pressing the button. Not good. I went into the controller and found that the pulses per unit was set at 1260. I kept backing that down until the speed was roughly where I wanted it and the motor was running smooth. I set it at 80 pulses per unit and did the same for the Y-axis. I set the Z-axis to 320 pulses per unit and that gives just about the right speed. Later when everything is assembled, I will calibrate the axes and set these parameters so that they are spot on.

Tomorrow I will enlist the aid of my grandson and try to shoot some video of everything in motion.

Below is a shot of the waveform on the X-axis with the pulses per unit set at 1260. Note that each increment on the horizontal (time) axis is 5 microseconds.
Rectangle Font Slope Screenshot Parallel

The next picture shows the waveform with the pulse per unit set at 80. We have a nice clean square wave with just a bit of noise superimposed. That should clean up when I finish wiring up all the grounds.

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I am a very happy camper! :giggle:

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54 Posts
Discussion Starter · #50 ·
Just a quick update this evening............

I had used 4-pin aircraft connectors to run cable to the stepper motors. What I completely overlooked was how to tie the shields to ground back at the electrical panel. I could have run an external wire tied to the shield back into the panel, but that would have looked like crap, although electrically feasible. Instead, I ordered some 5-pin connectors, and I am in the process of converting from 4-pin to 5-pin and bringing the grounds inside the cabinet in this manner.

Meanwhile I ordered some limit switches with integral switch bounce elimination circuitry. Trying to figure out how to mount them.

Finally, it occurred to me that in my last post I kept referencing a specific page in my controller that most of you would have no idea what I was talking about. So here is a pic of the specific page where you can set up the motor parameters.

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Meanwhile, I am trying to figure out what post-processor this controller uses that is compatible with Vectric V-carve.
I would like to shoot a video with the machine actually executing a profile without the spindle and bit.


54 Posts
Discussion Starter · #53 ·
I feel like Jethro Bodine after he finished repairing a car. He was left wondering why he had all these extra parts left over. It turns out that I had two X-shaped pieces left over and couldn't seem to figure out what they were for. I'm not sure if I mentioned this, but the kit did NOT come with instructions nor was there one available online. However, I did find a set of instructions online for the OX router and that is what I used. Unfortunately, nowhere was the installation of the X-pieces mentioned.

I went back to the vendor from whom I purchased the kit and perused photos of the finished builds. That is how I figured out the purpose for these parts. They are to reinforce the gantry assembly and take the cantilever load off of the rollers. This allows the load on the rollers to be distributed evenly.

Starting with one side I removed the nuts securing the rollers. Then, keeping pressure on the bearing assembly, I removed the shorter screw and inserted a longer 45 mm screw. Then I slipped a 6 mm spacer over the longer screw. I did this for all seven rollers. Then I slipped the X-piece over the screws and replaced the locking nuts. I repeated the process for the other side. The result is that it stiffened up the gantry considerably. The only slop remaining in the entire assembly is in the Z-axis. I'll discuss this in a subsequent post.

The attached photos will give you a pretty good idea of what I am talking about here.

Does anyone remember "The Beverly Hillbillies"

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54 Posts
Discussion Starter · #54 ·
It's about time I checked out the spindle operation. But before I get into that, let's review the power distribution on my build. First, we look at the 110 VAC power distribution. The wiring schema is shown below:
Rectangle Slope Font Parallel Handwriting

You will see that power supply PS3 energizes a contactor coil located on the VFD panel. So, when the 110 VAC is switched on the contactor energizes and the 220 VAC to the VFD is also switched on.

Next, here is the wiring schema for the 220 VAC panel. Without wiring the interface to the RMHV3.1 controller, we should be able to manually operate the spindle.
Slope Rectangle Parallel Font Diagram

Here is a photo of the 220 VAC panel:
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The connection to the spindle motor is at the far right side of the panel (nothing plugged in yet).

After carefully checking all the wiring connections, I hooked up everything except the signal wires to the RMHV3.1 controller. I wanted to see if I could manually control the speed of the spindle motor.

You can see the results on this U-tube video.


54 Posts
Discussion Starter · #55 ·
Looking for Some Input from Those Following This Thread

After making the adapter plate for the spindle mount, I am still not satisfied with the robustness of the entire assembly. Clearly the spindle mounting arrangement was intended for a much smaller spindle than the one I have chosen. I am concerned with the overall machine height. Without doing a FEA, it is clear that the possibility of induced harmonic vibration exists. I would like to relocate the Z-axis stepper motor to reduce the overall height of the assembly..

I am not happy with the design wherein the Z-axis rail moves up and down with the spindle. Also, the 2060 aluminum extrusion rail is relatively puny. I would prefer to see a more robust support for the spindle mount.

I have been puzzling over where to mount the home and end of travel limit switches. Since the rail moves with the spindle, I would have to fabricate a pair of brackets that attach to the X-axis rails. They would be prone to damage and would further restrict the X-axis travel.

I have been considering a possible upgrade for the OX CNC Router using C-Beam aluminum extrusion. The C-Beam (4080) would form the Z-axis rail and the length would be increased to 330 mm instead of the existing 200 mm. This would permit approximately six inches of travel instead of the current three inches. The C-Beam would be fixed and would bolt to the X-axis carriage assembly. The Z-axis motor would be mounted behind the C-Beam and power transmitted to the lead screw via a timing belt.


  • Lower overall machine height
  • Lower center of gravity - less vibrations
  • Easier to reach Z axis to manually turn (versus reaching in between motor and C-Beam in the conventional setup) for manually adjusting Z Zero
  • Increase the travel distance to six inches
  • Future: Reduction Drive (Pulley ratios) for even more torque
  • Provide a place for mounting the limit switches since the rail is fixed and does not move up and down.

  • More parts
  • Cost: At least another $100
  • Probably be required to disassemble the entire X-axis assembly
  • Time: Lost time when I could be getting ready to make things.
I will need to order some additional parts:

  • 1 x 500 mm long C-Beam (to be cut down to 330 mm)
  • 1 x Double Wide Gantry Plate
  • 1 x 500 mm long 8 mm Acme lead screw (to be cut down to ~330 mm)
  • 1 x C-Beam End Mount
  • 1 x NEMA 23 Reduction / Stand Off Plate
  • 1 x 3GT (GT2-3M) Timing Pulley - 20 Tooth - 9mm Belt - .25" Bore
  • 1 x 3GT (GT2-3M) Timing Pulley - 20 Tooth - 9mm Belt - 8mm Clamp Bore
  • 1 x 3GT (GT2-3M) 9mm Timing Belt - Closed Loop
Since I have not carved my first piece of wood, it is quite possible that the existing Z-axis assembly will work quite well. Or I may be rather disappointed which would lead to discouragement. Should I bite the bullet now? Or should I take a chance and see how things work out. I am interested in your opinion. What would you do if you were in my shoes?


54 Posts
Discussion Starter · #58 ·
Z-Axis Upgrade

After careful consideration, I decided to go ahead and order parts for the Z-axis upgrade. Here is the way I see it: I want more Z-axis travel and I need a method for mounting the home as well as the end-of-travel limit switches. If the upgrade would have cost several hundred dollars, I might have settled for the existing configuration, but the total cost for upgrade parts will be around $100. A considerable sum to be sure on my limited budget, but doable.

Limit Switch Configuration

Speaking of limit switches, I finally decided that I would use Hall effect sensors. For those not familiar with Hall Effect sensors, they are a type of proximity switch, but they are triggered by a magnet. A major downside to using Hall Effect switches if you are machining ferrous materials is that the magnets tend to accumulate metal filings.

The biggest advantage is that there are no mechanical parts to wear out. They are extremely reliable and completely electronic.

Here is the switch I will be purchasing:
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And here are the specifications:
  • Type: NJK - 5002C
  • Mounting: M12 cylinder
  • Output: NPN open collector, three wire, normally open
  • The detection distance: 10 mm
  • Supply voltage: 5-30VDC
  • Output current: 150 mA
  • Detected objects: permanent magnets
  • Switching frequency: 320 KHZ
  • Wiring: brown-positive, blue-negative, black-signal
My RMHV3.1 controller has an internal 12-volt bus used specifically for external limit switches and Z-axis probe. So, the controller will integrate very nicely with the Hall Effect limit switches.

Two 4-conductor cables will connect the RMHV3.1 with the limit switches. One cable will have the signals for the Home limit switches and the +12 VDC. The other cable will have the signals for the End-of-Travel limit switches and the corresponding ground. These cables will terminate to a 12-position terminal strip located close to the router base. A 3-conductor cable will connect each limit switch to the terminal strip as depicted in the wiring schema shown below:

Rectangle Line Font Material property Slope

54 Posts
Discussion Starter · #59 ·
An Update on Progress

Z-axis Rebuild

All the parts are on order. My grandson and I are doing the 3D CAD drawings using Onshape cloud-based software. I expect the parts to be here in about two weeks. China Express.


The supporting table is not level and is not supported on all four legs. I've got it stabilized with wedges but looking for a better solution.


Got the VFD panel installed inside the supporting table. Need to make a couple of changes to the wiring in the main electrical cabinet but gave away my wire to the robotics club I am mentoring. After making the changes, I will mount the electrical cabinet in its permanent spot on the supporting table.

Limit Switches

I am super excited about using the Hall Effect limit switches. I tested them on the work bench, and they work flawlessly. Depending on the size of the magnet I use, the trigger range is either 5mm or 10mm. The sensors I am using are NJK-5002C. Attached are photos of one of the sensors installed on the Y-axis.

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54 Posts
Discussion Starter · #60 ·
TimPa suggested that it may be safer for the limit switch to be mounted on the side of the plate rather than in front of it. In case of a crash the limit switch would not be damaged. Another advantage is that I can epoxy a magnet to the side of the plate instead of fabricating and mounting a separate magnet holder.

After dinner this evening I quickly cobbled together a mount for the limit switch which faces the side of the plate. I love it!

Thanks Tim

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54 Posts
Discussion Starter · #61 ·
Yes, I succumbed to the virus everyone loves to hate. Fortunately, I have been vaccinated & boosted but that didn't make me immune. Coughing, running nose & general lethargy were the primary symptoms. I didn't really feel like going into the workshop - just wanted to sleep. Finally came around today and thought we might catch up.

Main electrical Panel

Finally got all of the wiring finished and mounted the electrical cabinet to the base. Still have to make up cables for the Home & Limit Switch wiring.

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VFD Panel

Got the VFD panel hooked up permanently to 220 VAC. Also, all the wiring from the controller is now connected to the VFD panel as well as the spindle power connections.

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Cable Tracks

I procured a couple of cable tracks that I am pondering how to attach and mount. The one on the left will be mounted on the X-axis and is 10x20 mm. The one on the right is the main cable track and will be mounted parallel to the Y-axis. it is 15 x 30 mm. How to attach the ends of these cable tracks poses some interesting challenges.

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Spindle Cooling

The following photos show the spindle cooling system I have chosen. It consists of two separate components. The first is the coolant reservoir and pump combo. It operates off of 12 VDC. The second is the fan and heat exchanger (radiator) which also operates off of 12 VDC. There are two challenges associated with utilizing this system. The first is how to physically mount these components on to the gantry. The second challenge is to figure out how to plumb these components since the tubing diameters for the heat exchanger and the pump are different and the tubing for the spindle is totally different. Stay tuned for future posts how I figure this out.

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Z-Axis Rebuild

Still waiting for the parts to arrive from China. Stay tuned.

54 Posts
Discussion Starter · #62 ·
Now that I have all of the electrics permanently installed, I have been checking to see if all systems are still working as they should. The X, Y and Z axis drives are working quite well, very smooth and quiet.

I have been able to get the spindle running directly from the VFD drive itself but have not been able to establish communications with the controller.

The tiny booklet provided with the VFD drive is full of tables that you need a magnifying glass to read. However, I found one table that I believe has the answer to what I need. This is a list of what they call Basic Function Parameters, and it lists 22 of them. I am only interested in two of them so I will replicate a portion of the table here:

Function Code
Name of Function
Setting Range and Data Content
Ex-factory Value
Parameter Locking​
0: Invalid 1: Valid
Control Mode​
0: Keyboard
1: External Terminal
2: Communication Port
Frequency Setting Selection​
0: Keyboard
1: A|1
2: Communication Port
3: Panel Potentiometer
4: A|2
5. PFI
6. A|1 + A|2

Let’s start with F001 Control Mode. We are given three options, one of which is the keyboard. This refers to the keypad on the faceplate of the VFD drive itself. Obviously, I don’t want to have to dive underneath the router every time I want to start and stop the spindle. So, the obvious selection would be External Terminal which would be the RMHV3.1 Controller.

The next parameter is F002 Frequency Setting Selection. This is the spindle speed control. Raising the frequency increases the spindle speed. Decreasing the frequency reduces the spindle speed. As configured from the factory, I can increase or decrease the speed of the spindle by rotating the potentiometer on the faceplate of the VFD. If I want to control the spindle speed from the RMHV3.1, I need to select Option 1: A|1 which supplies a 0-to-10-volt signal to this terminal which is proportional to the speed of the spindle.

Next, I am heading to the shop to implement these changes and report the results of the test.

Well, I just got back from the shop after implementing the changes (I think, cause it aint easy) and nothing, nada, bukes. Only local control for the spindle. I just finished a virtual on-line meeting; I have another tomorrow evening and I’m trying to get past the ravages of Covid. When will I get time to work on my machine?

Just to make my evening complete, I got an e-mail from Open Builds telling me that a couple of parts I ordered for the Z-axis upgrade are no longer available. I just poured a glass of merlot and I’m going to settle into bed with a good detective novel. Good night!
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