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To upgrade your 3D Printer with Linear Rails
Rotary motion using stepper motor is very popular in kinds of applications and in machines Not only 3D Printer, but also CNC Machines, Scientific Instruments, Medical or Analytic Equipment and Surface Mount Equipment, etc. Linear motion is usually converted from rotary motion by using pulley and bel...
The utility of Brushless DC Motor
Nowadays air conditioner and gas water heater have become the necessities in people’s life. As we all know, the motor that was used in air conditioner and water heater earlier is AC induction motor. First, this motor has obvious shortcomings, low efficiency, high energy consumption, which is clearly...
What is an O-ring?
Rubber O-ring is a loop of rubber material with a circular cross section. and basically used in every field of industry, including auto,electronics,machinery and medical devices. The material of an o ring selection is based on media pressure,chemical compatibility,temperature,lubrication requirement...
USD to CNY Exchange Rate
The exchange rate of US Dollars to CNY crashed in a month, this will destroy the business relations between customers and most of the manufacturers or suppliers. 2017-07-08 6.7937 (1USD to RMB) 2017-08-08 6.6958 2017-09-08 6.4393 The environmental motion by China Nation in areas has lasted over mont...
The seventh round strict air pollution inspection
Lead time prolong and price rise as result of Environment Protection Storm Nationwide The original report on website MINISTRY OF ENVIRONMENTAL PROTECTION THE PEOPLE'S REPUBLIC OF CHINA http://english.mep.gov.cn/News_service/news_release/201707/t20170727_418638.shtml BEIJING, Jul. 23 (CENEWS)-The sev...
3D Printer Power Supply
In usual, the power supply unit people talking about is the piece of hardware that's used to convert the power provided from the outlet into usable power for the many parts inside the computer case. It converts the alternating current (AC) into a continuous form of power that the computer components...
SMD Pick and Place Machines from China
The price of a Japan or Korea floor type SMD Pick and Place Machine can be 50,000USD or 100,000USD. With the development of integrated circuits, IoT and industrial automation in China, CNC Machines are Not the only cost performance industrial equipment from China. 3D Printers, SMD Pick and Place Mac...
Open Source BotDigg Robot Arm
This is not a 3D printer, but a writing graphics robot arm, we name it BotDigg Robot Arm. The full configuration This assembly is still very original ah, ah, very original ... ... We first look at how the line is connected: First of all three stepper motor drive chip, pay attention to the direction ...
MOSFET Repair on RAMPS Board why and how
Firstly thanks to Contemporary Maker Rob Schwartz, his blog explain why and how to repair the MOSFET on Ramps 1.4 Board "When I first got the RAMPS 1.4 board, I wondered why the power MOSFETs for the hotends and the heated bed had no heatsinks. However, after connecting the RAMPS board to the printe...
Stepper Motor Linear Actuator
Last week we talked about the stepper motor, and this week we want to go further about the topic which will be stepper motor linear actuator or linear stepper motor. There are three types of linear stepper motors and we are talking about the integrated stepper motor linear actuators, they are Extern...
Delta Printer vs Prusa i3
There are talks on Reddit about which to buy, a delta printer or a prusa i3. Both of the 3d printers are RepRap origin suitable for personal 3der or maker. What advantages and disadvantages are there to a delta printer vs something like a prusa? Advantages to a delta printer: large build area (espec...
Difference between a Kossel and a Rostock RepRap
What is the difference between a Kossel and a Rostock RepRap? The above pictures are from RepRap, it can be read that on the left is a linear shaft and linear bearing combination and on the right is a aluminum profile and linear rail delta robot. 1. Both are delta robot RepRap built in 2012 by Johan...
Outline of Stepper Motor
Hi, this is Tiger Huang from RobotDigg, today’s topic is “Outline of Stepper Motor”, here you can see is a Nema17 4 lead wire bipolar 1.8 degree single stack linear stepper motor. Let’s dismiss the linear stepper motor to find out what’s inside and the factors of a stepper motor. Firstly it’s steppe...
X-CUBE LCD based SLA Resin 3D Printer Tutorial
Some of the material will be hardened after heating, some substances will be hardened in case of cold, and this material met with the light will occur hardening, this phenomenon will be called "light curing." Photopolymer A material called Photopolymer, which consists of a polymer monomer and a prep...
Common problems when surface mount components
Generally, SMT includes surface mount technology, surface mount devices, surface mount components, SMT management Common problems when surface mount components 1, nozzle deformation, plug, damage, lack of vacuum pressure, air leakage, resulting in suction unsuccessful, take material incorrect,or thr...
Fidget Spinner Tricks
If RobotDigg owe you a story of 2017, here it is. Fidget Spinner Is there tricks for Fidget Spinner? RobotDigg do Not have such tricks. Starting from early 2016, when in Feb of 2017, fidget spinner is roaring. You can find it quite noisy on Esty the most popular Handmade, Vintage & Creative Good...
OpenPnP Projects China and Worldwide
OpenPnP is a project to create hardware and software for a completely Open Source SMT pick and place machine that anyone can afford. It's good to be Open Source, even though I am user of IPhone5&6, BUT I know that Android is the the world’s most popular mobile Operating System because it's open ...
RepRap Calculator
1. Stepper motorized lead screw or ball screw is high quality and more reliable in precision 3d printing, RobotDigg Tr8*8 linear stepper, Tr8*2, Tr8*4, 1204 Ball Screw are getting popular for quality 3D Printer builds. 2. Personal 3D Printer are getting involved in two directions portable mini or la...
RobotDigg Kossel 3D Printer Kit Tutorial
RobotDigg Kossel 3D Printer According to assembling manual, the hardware installation is easy. Only we need to use finger to rub basing on the embarrassing angle of the stepper motor. Although the wire connection is a hard work for me as a greenhand, don’t worry, it will become easier since we have ...
Hollow Shaft Stepper Motors
What is hollow shaft stepper motor? Hollow shaft stepper motor is stepper motor with hollow shaft or bore on the shaft, the hollow shaft can be divided into 3 types according to RobotDigg http://www.robotdigg.com/news/35/ http://www.robotdigg.com/news/90 Coarse bore hollow shaft stepper motor A holl...
3D Printer open source popular firmware or software
There are list of active reprap electronics. 1 32 bits Community based, tested and supported electronics 1.1 Generation 7 Electronics 1.2 Smoothieboard 1.3 Duet 1.4 Replicape 2 8 bits community based, tested and supported electronics 2.1 Melzi 2.2 PiBot for Repetier Motherboard 2.3 RAMPS 2.4 Sanguin...
China LED SMT machine development
2008 LED patch into the lighting and light source products, a simple single LED patch products, do not need high production accuracy, the domestic enterprises see the opportunity to invest in research and development of simple double-headed LED placement machine. This is the first generation of the ...
Storage and preparation before printing the solder paste
Soldering tin paste series Soldering tin paste is the most important joint material for modern printing wiring board and surface makeup technique(SMT). It is determinate factor for ideal and steady soldering effect that chooses appropriate tin paste. Its alloy composition and content and flux ...
RobotDigg EU Tax Free
RobotDigg release a new shipping option "EU Tax Free" In fact, the Tax was paid by shipper. The order will be shipped to UK firstly and Custom Clearance made there, it delays 2-3 days compared with ship directly from China to Europe countries. After the clearance in UK, there is tracking code availa...