News
27
Jun
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 Johann in Seattle, USA. And the difference is that Kossel is based on his Rostock prototype. Does that me...19
Jun
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 stepper motor, not servo motor or normal dc motor. There is only one piece magnetic steel which should be ...13
Jun
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 prepolymer, typically a liquid, a photoinitiator (a photosensitizer), a UV light of a certain wavelength...26
May
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 throwing material because of a wrong identification. Solution: check the equipment daily, test the NOZZ...16
May
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 Goods Store and Thingiverse. Reporting from my China shipping partner, 80% parcels express to US is Fidg...28
Apr
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 source, users can edit and improve the edition. Similar open source projects are growing, Open Sourc...12
Apr
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 large size, industrial high microstepping stepper driver, Nema8, Nema11, 0.635mm pitch, 2mm pitch lead...05
Apr
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 upgraded version soon. There’re some important wire plug. Just follow the instruction map. Following...02
Apr
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 hollow shaft stepper motor with coarse or relatively rough machined bore is used for Air, Beam or Cables...27
Mar
