What little info was out there was from the company that made it. Not the best source for unbiased info!
So I contacted my favorite Taig dealer for a quote. Nick Carter gives a 10% discount on a lot of Taig items, and this was no different. I had a special request, however. I didn't want the stock motor. I had recently bought a Consew servo motor sold to power commercial sewing machines. I bought it for my Taig CNC mill to dump those horrid skinny belts. Nick was accommodating in getting the price without the motor, so I bit the bullet and ordered one.
With a "Go high or stay home" mentality, I opted for the 5C spindle and the ball screws. The exact model was their 4029CR. CR means computer ready. I already have a Mach 3 license and a couple of 425 OZ IN steppers with drivers sitting on the shelf.
Nick told me it would likely be a week before it shipped, but as it turned out I paid on 7/19/2017 and UPS tracking said they picked it up on 7/20. Yay!
I don't have it, yet, so here is the current photo from Taig's web site.
The Consew motor I got from Amazon.com
The CSM1000 is a 3/4 HP (550 Watt) High Torque Brushless D.C. Electronic Servo Motor. Speed: 0–4,200 RPM.
In the photo above, the gizmo on the left is a speed control input device. It houses a hall effect sensor and a strong magnet on a pivot. The closer the magnet gets to the sensor, the faster it goes. The sensor outputs an analog voltage, similar to a potentiometer. The range is about 0 to 5VDC. It is a trivial matter to replace it with a potentiometer and have a speed control knob. However, I want Mach 3 to control the speed, so I am working toward this. The one I received has a 4 digit readout that displays the motor RPM. This is a very strong motor. I was unable to stall it with a leather glove on my hand against the pulley, even on the slowest speed! Given that, I plan on a belt ratio to give me somewhere in the range of 8,000 to 10,000 spindle RPM.
The best news is the discount for buying the machine without the motor was only pennies different than the cost of the Consew. Win!
I turned a crude pulley on my CNC knee mill by using it as a lathe. It works, but it's a pain in the ass! The pulley will get the lathe operational and then it can make it's own pulleys.
The photos below can be clicked for larger versions.
Not a great photo, but the 4 digit readout is visible above the switch on the speed control box. The small pulley on the headstock is the one I made. I'm waiting for the 2L130 belt I ordered for it.
A different view showing the
motor mount plate I made to fit the Consew. It's 3/8" thick 6061 T6
aluminum. I copied the motor mount from the original Taig mount, but
it's a little too long. It's a little over 1" square of the same
material.
And a different view showing the adjustment details. I copied this straight from the original Taig mill motor mount.
And a different view showing the adjustment details. I copied this straight from the original Taig mill motor mount.