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I have built a cnc router table and am driving 3 ametek motors and encoders with gecko's.

I tuned the motors the other day and found, when using the oscilliscope two wave forms appeared. When...

Hi:

I have built a CNC router table and have bought a Porter Cable Router 3.25HP with a motor diameter of 4inches.

I need to mount this to my z-axis and need a machined motor mount before the...

I bought a ball screw (http://www.pro.com.sg/ballscrew.htm) it is the 8th item on this page (ballscrew # 1408440), and the angular contact bearings are ones which I have never seen before (when I...

I am building a CNC Router and have got shielded cable for the encoders, does the motor cable also have to be shielded?

If it is preferable to get shielded, is there noticable effects if it is...

I have an 8mm pitch ballscrew driven by a servomotor. I need to my router through plywood, what sort of step down ratio would I need from my motor to my ballscrew? My motors are around 600oz-in

Thanks Ynneb for the info, I did not realize that the software aspect could play a role. I got one more question for you. For my z-axis i obviously do not need to step that down by a 9:1, i have an...

I have bought some Ametek motors from Kevin (some of you may also know him as you have bought motors from him as well)

I am trying to do a preliminary step down ratio for my motors which will be...

If there is very little info about these motors on the internet, than how do must people know how fast to run them and step them down? Is it by trial and error? wouldnt that be a bit expensive to...

I appreciate the help.

did you use timing belts on your machine? If so what pitch did you use? I was going to go with a 3/8" pitch 1" wide belt.

I know of some people that have bought the same motors (axxus) and they have worked well for their applications. I am building a router table for a 4th year mechanical engineering project for school...

yes they are from kevin.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=3866697162&ssPageName=STRK:MESO:IT

here is a site for the motors. I really need the torque curves so i know how...

I bought the following motors from a guy on ebay. He did not have any info on them except for what is shown below. I was wondering if anyone had any more specs for these motors (torque vs rpm...

do you have a website that I could get that cnc4pc breakout board from?

thanks

I have been emailing Axxus for the past couple of weeks and have gotten no reply. Does anyone know if they still sell their breakout board?

Thanks

I was wondering if anyone knows where some of the good clifton motor threads are? I want to see what people think of them, since I want to buy 3 for my 4' x 8' table to cut plywood.

Also does...

I have heard that if I am to get a power supply to drive my motors or motors and board, the current that the power supply is rated at can be a lot more than what the motors and board draw (therefore...

I am looking to buy a NSK ballscrew for my z-axis and it come with the ballnut and bearings (which I assume are angualr contact bearings).

One thing I have noticed with most ball screws and their...

I am building a CNC router table to cut 3/4" plywood. I am looking into getting a belt that is an 1" wide and has a pitch of 3/8" (is this pitch too big)?

also what are normal prices for these...

I have gone through most of the threads on Xylotex concerning limit switches but am still confused by the options anyone has if they want to put limit switches on their machine.

I am looking on...

I am looking into buying some steppers and controlling it with this controller (http://www.eftechusa.com/products.htm) the first controller on the page (Product ID: CDM-4X2-124 TurboStep Stepper...

I am looking at buying some steppers (http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&category=12577&item=3860595205&rd=1&ssPageName=WDVW#ebayphotohosting)
They are rated at 282 oz-in (Holding Torque)....

you could always look into getting a Grizzly mill (http://www.grizzly.com/) there is a mill MODEL G1006 or MODEL G3358 that could be used for your application...they are very nice looking mills. 2HP...

Question:

How do you know how much to step down your motors (are there formulas)? Are there instances when you don't have to step down your motors?

I am building a router and driving it with...

Question:

I am looking to buy two unipolar steppers for my x and y axis. My router that I am building will be used to cut 1/2 to 3/4 in plywood cross sections (accuracy is within 1/16 in). I am...

I am building a 4'x8' CNC router table for a school project. The router has to be able to cut 3/4 in plywood. I am looking into purchasing the following motors:
...