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Category: CNC

Computer Numerically Controlled Machining: Wood, Plastic, Metal, Plasma, Waterjet, Grinding.

Motor Controls

April 17, 2020April 17, 2020 Al-Hala

Marco Reps has an interesting look at Hobby Level motor controls: Blue Chinese Hybrid O-Drive (2 motor) Trinamic Stepper Motion Controls And a follow-up video: Professional Servo Drives LinuxCNC and MESA FPGA

Motion Controller, UncategorizedMotion Control, Motion Controller, Steppers

CNC Probing

October 31, 2016October 31, 2016 Al-Hala

CNC utilizes contact probes for various purposes: Edge Finding Zero Setting Digitizing (point cloud) Mapping Several major companies exist (example Renishaw) to service major industry; less so for home or prosumer markets. Of late, two have captured my attention. Kurokesu Read more…

ProbingDigitizing, Probe

Driving a Ballscrew – Servo vs. Steppers

March 19, 2016April 3, 2016 Al-Hala

Excellent example of Servo vs. Stepper vs. Feed Speeds. This is by John Dammeyer, developer of the Electronic Lead Screw Project: Electronic Lead Screw Main Page …now I did some experiments as a result of this posting subject. I found if I turned Read more…

Ballscrews, Servo Motors, Stepper Drivers, Stepper Motors, Stepper Motors

KmotionCNC Conditional Logic

January 5, 2016January 6, 2016 Al-Hala

The GCode Interpreter included with KmotionCNC is more bare-bones than the extended on in LinuxCNC, and some people were discussing how to work-around this perceived lack. I found a link on CNCZone that outlined a method (albeit on Mach3) of Read more…

G-Code

Brief History of G-Code, Numerical Control, and G-Code Complilers

January 5, 2016January 5, 2016 Al-Hala

G-Code (more precisely G and M Code, more formally, RS-274D or other names) is a programming code that dates back circa 1950, and was originally developed to control mechanical machining operations using paper tape. It shows. The last ratified standard Read more…

C Programming, CNC, G-Code, Motion Controller

Dynomotion KFLOP and KSTEP running from Raspberry Pi using patched version for Linux of KMotionCNC

January 5, 2016January 5, 2016 Al-Hala

Who might be interested in this. Anyone that would like to operate their KFlop controlled machine from their phone, tablets or anything with a web browser. Github Repository of the patched system GitHub Parhansson YouTube Link of Operational System

Motion Controller

Motion Controllers (Software and Hardware)

December 5, 2015April 3, 2016 Al-Hala

CNC toolchain: CAD -> CAM -> G-Code PostProcessor -> Motion Controller -> Drives A Motion Controller is, well, just that. A structure to control the coordinated motion of at least a singular CNC axis. Motion controllers can be software or hardware based. Read more…

Motion Controller

KFLOP C Programming Dissection – My Init.c Pendant Code

November 17, 2015November 17, 2015 Al-Hala

#include “KMotionDef.h” // Example Init program that includes “smooth” MPG motion example // which makes use of the exponential motion command. // Which Pins were somewhat arbitrary; 11 I/O were needed, so JP4 and JP6 were used. The remainder were Read more…

C Programming, CNC, Motion ControllerC Programming

KFLOP C Programming Dissection – My Init.c E-Stop Code

November 17, 2015November 17, 2015 Al-Hala

#include “KMotionDef.h” int elast=0,elastsolid=-1,ecount=0; // for debouncing estop pushbutton int Debounce(int n, int *cnt, int *last, int *lastsolid); int DoPC(int cmd); #define ESTOP 168 // set to the external estop input bit #define TMP 10 // which spare persist to Read more…

C Programming, CNC, Motion ControllerC Programming

Using USB Microscopes for Optical Comparators, Edge Finding, Centreing

November 10, 2015March 1, 2016 Al-Hala

with the rise of inexpensive optical cameras, people have been adapting them for machine tool use. Technitoys – Machine Camera   Hobby Machinist – Cheap Optical Comparator http://BangGood (China) USB Microscope   Microscope Camera for Mill

Machine Vision

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  • If I Should Grow Frail
  • Motor Controls
  • Excellent YouTube Series on Mechanical/Machining Fundamentals
  • Dynomotion KFLOP’s KmotionDef.h’s entries pertaining to encoders (2015 to current)
  • CNC Probing

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