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Yes, This can be the best open-loop solution. I can set an interrupt and start a timer up to the next interrupt. This calculated time must be proportional to the axis velocity. With proper scaling, I...

I do not know if samd21 can handle both the step pulse and the encoder feedback at the same time with a PID calculation. Sand21 is a great chip and runs at 48Mhz but I have some doubts about the...

I think it is the correct way of doing this. I really want to see your solution. The Xilinx spartan-3 or 6 has the step pulses and the encoder feedback and calculates the error and trying to...

What I am trying to get is the velocity of the A axis. ( linear velocity). I have a pallet extruder with a huge motor driven by a VFD. I will connect to the VFD over Modbus and send a frequency value...

Hi,
This is Nuri from MakerStorage LLC.
I need your help on Determining the velocity of an axis near real-time with brains (or maybe with vb script) with Mach3
I want to send this information via...

gcz, nowadays people are looking for a way to print with high-temperature engineering plastics like PEEK. And the MAX6675 is obsolete, the replacement part is the MAX31855

This project is still alive !!! and more boards are on the way!!!
Here are the new links.
The blog for community of people who have their own desktop CNC machine and wish to use it as a 3D...

Hi,

I'm one of the co founders of 3dbility.com which is a 3D printable objects Search Engine. We are just about to launch our search database open to public. I'm sending you our Press Release....

I order my raspberry pi to play with. I also want to test if emc2 can work on it. The problem is I am not a linux guy. I will be more than happy if we can work on it together.

Regards,
Nuri...

There are lots of interest for the controller board. We have received your order 3 days ago. The board will ship tomorrow. A tracking number will send to your email. Please contact me regarding...

I am not familiar with inches but both mm and inches can be used. The important thing is the skeinforge settings for speed. After installing the mach3 add-on and run it you will see that skeinforge...

I am very happy to announce that the new board and a new web page has been released. Converting a CNC Machine to a 3D Printer
This page is full of information to help people who have their own...

I want to happily announce that I am working on the second version of the controller board.

I got lots of great feedback from the people. It is a very easy way to have a 3d printer. This board is...

Please take a look at my web store to purchase assembled boards.

regards,
Nuri Erginer

I can provide an assembled pcb with lcd. I hope the price will be reasonable too.
by the way any 16 pin 2x16 lcd with upper left connection will work like this one

The boards are in production and will be ready soon.

Regards,
Nuri Erginer

Hi,
I have write down a small tutorial for people who have their own desktop CNC machine and wish to use it as a 3D printer.

I hope this link may help people people who have their own desktop CNC machine and wish to use it as a 3D printer.

Mariss;
can you give some information regarding your de-gaussing circuit?,

regards,
Nuri Erginer

Thanks for your explanations. I understand that I build a fixed voltage driver which is not very successful. Now I decided to add a chopper current control circuit to my driver. I will add a sense...

wildwestpat,

Thanks alot for your explanations. I am using the same motor with a commercial stepper driver and with my drive. I am trying to catch its performance. So choosing a better motor is...

Hi,

I am working on a micro-controller based bipolar micro-step motor controller. Up to now I did below tasks

I build two hip4081 based h-bridge and connect them to my micro board.
I connect...

I have 4 gecko340 and a 67 volt (48ac*1.4)dc powersupply. I have 3 motor which is suitable to use at that voltage but one of the motor is 24v. What is the best way to reduce the voltage to 24volt. I...

Hi,
I have developed some code on atmega8. It is a bipolar stepper motor driving chip. The inputs are step and dir signals from pc parallel port and drive the motor with microstepping capability....

Hi,
I am working on a pid code for DC servo motor drive. It takes step/dir signals as input and calculates the PWM to correct the position error with taking into account the encoder feedback. It...

Hi,

The topic is the one I want to work on. We can make some experiments and share the results in a project page.

can someone do this documentation and project management stuff?


I want to...

the flow chart can be like this

please take a look at these sentances taken from the rutex user manual

The arc voltage must be externally divided into less than 5 volts. This signal is applied to ARC_VOLTAGE_1
and _2. The...

keep in touch with this thread

http://www.cnczone.com/forums/showthread.php?p=339958#post339958

We will wait for the arc ok signal from the plasma before starting the THC. This may eliminate some strikes but offcourse we have to use filters.



You are right! We have to collect some data...