In supply chain management, incomplete flow down of technical data causes lots of waste and uncertainties: time wasted communicating to clarify requirements; quality issues due to asymmetric understanding of certain specifications; paying expedition fee to ship overdue products, so on and so on. Making sure technical data is completely flowed down to suppliers and sub … Continue reading How to completely flow down your technical data? Use this checklist
Abstract – Though here writing a series of articles around personal productivity, I have to clarify that I believe productivity on certain projects or tasks are secondary: the ultimate productivity of our life relies on a clear goal of life and strategic planning. However, I hope my experience in these tactics could benefit the readers. … Continue reading 高效工作的习惯之一：时间-事件日志
The Shortest History of Europe Peter Thiel: Zero to One Give and Take: Why Helping Others Drives Our Success Li Ruihuan 李瑞环, Philosophy: An Art of Living 学哲学，用哲学 Vincent Ruggier, Beyond feelings, A guide to critical thinking Han Feizi 韩非子 Ram Charan etc, The Leadership Pipeline: How to Build the Leadership Powered Company Kerry Ratterson, Crucial … Continue reading My 2017 Reading List
This lens came with Kodak Instamatic 250. It is a very tiny lens. The Reomar means a three-element design. There are only aperture blades.
Lens: Zeiss Ikon Color-Pantar 45mm f/2.8 STL files: thingiverse Youmagine
This is a long delay. I had a Voigtlander Color-Skopar 50/2.8 from the Bessamatic years ago and I always like the color rendation when using on the Sony Alpha 300. Last year I got a Vito Automatic I with a Lanthar lens. Up till today I finally mounted it on my Sony A6000. The lens … Continue reading TaoAdapter for Voigtlander Vito Automatic
Today I’m happy to release the verified design of Rolleiflex SL26 TaoAdapter for Sony E-mount cameras. The first machined version was designed back in 2015 by G. Hou, my star in optics. I later revised the design to make it fit for 3D printing. The design has been verified on 4 SL26s so feel worry … Continue reading Sony E-mount TaoAdapter for Rolleiflex SL26
The Aerospace Standard AS6500 was published in November 13, 2014. It is the first standard to cover manufacturing management. Development of this standard started back in 2011, with committee formed by DoD members such as US Air Force and industrial members such as Boeing and Raytheon (source). The goal of creating this standard, is to … Continue reading A Brief Introduction to SAE AS6500 Manufacturing Management System
We are glad to meet so many makers here during these two days. As you can see from the photo, the one made from white HDPE is the prototype of RepRap Version 3.
We are happy to let the folks know that we will attend this year’s Bay Area Maker Faire, with one Version 0.2 RepRouter and a work-in-progress version 0.3.