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how-to-make-a-cnc-plotter-2115ab-en.md

what is cnc

Numerical control(also computer numerical control, and commonly called CNC) is the automated control of machining tools (drills, boring tools, lathes) and 3D printers by means of a computer. A CNC machine processes a piece of material (metal, plastic, wood, ceramic, or composite) to meet specifications by following a coded programmed instruction and without a manual operator.

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what we need

Arduino UNO

L293d motor driver

stepper and rail

3d printed body

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what is stepper

A stepper motor, also known as step motor or stepping motor, is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any position sensor for feedback (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed.

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EXPANDED TECHNICAL DETAILS

Precision X-Y Cartesian Motion

This project transforms two salvaged DVD-drive stepper motors into a high-precision digital drawing machine.

  • G-Code Interpreter Core: The Arduino runs a modified version of GRBL or a custom stepper library. It receives G-Code commands from a PC and translates them into precise step sequences for the A4988 stepper drivers.
  • Z-Axis Pen Lift: Uses a small servo motor to Raise and Lower the pen. The Arduino ensures the pen is only engaged during "Draw" commands ($G1$) and lifted during "Rapid" movements ($G0$).

Resolution

  • Micro-Stepping Calibration: By configuring the drivers for 1/16 micro-stepping, the plotter can achieve drawing resolutions of up to 0.1mm, suitable for complex line-art and calligraphy.

ข้อมูล Frontmatter ดั้งเดิม 

title: "How to Make a CNC Plotter"
description: "Build your mini CNC!"
author: "CiferTech"
category: ""
tags:
  - "cnc"
  - "plotter"
  - "arduino"
  - "l293d"
views: 3919
likes: 3
price: 2450
difficulty: "Intermediate"
components:
  - "1x Arduino UNO"
  - "1x Dual H-Bridge motor drivers L293D"
tools: []
apps:
  - "1x Arduino IDE"
downloadableFiles: []
documentationLinks: []
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seoDescription: "Learn how to build your own mini CNC Plotter step-by-step. Perfect for Arduino projects and DIY electronics enthusiasts."
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lang: "en"