This sliding iris diaphragm is similar to a shutter mechanism. The shape is similar to Chinese ancient copper coins-it has a square hole inside a circle. The blades in the center square hole can open or close gradually. If you have got the files and manufactured parts with a laser cutter (or CNC router), this …
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What is 3D PDF In many fields, including mechanical engineering, architectural engineering, 3d printing, etc. , 3D design has become an essential method for designers to visualize their ideas. Most 3d models need to be openned with a special software, such as solidworks, Maya, 3ds max, etc. However, it is impossible to install all these soft …
Before we use laser cutters, we need to prepare proper files. Following the laser cutting design guidelines is very important. We will talk about that here. What files can be accepted by laser cutters To follow the laser cutting design guidelines, we need to know that there are two types of files can be sent …
We recently introduced some 3d modeling APPs that work on smartphones. These APPs can be used to create 3d models. But sometimes we don’t need 3d models, and we just need 2d cad files. For example, if you have a laser cutting business, you will find technical 2D drawings are more suitable. Then a free cad app …
Looking for an alternative to AutoCAD? In this article, we introduce some 2D CAD drawing softwares that can be AutoCAD alternatives. For a long time, AutoCAD is one of the best and industry-leading software to help users in mechanical engineering, architecture and some other fields. Usually we use it as a 2D CAD program. But …
When you want to transmit rotary motion between intersecting shafts, bevel gear set is one choice. Most bevel gears are mounted at 90° to each other, but it is not a rule. In fact, bevel gears can be manufactured for nearly any angle. We create some bevel gear examples here to show you the motion. …
There are many types of mechanisms. In this article, we introduce a self-locking expansion mechanism, and it is a two-position locking mechanism too. It can be used to expand pipes or other cylindrical parts. This expanding mechanism comprises a cylinder body, a cylinder ring, a driving plate, a bottom cover, 6 pins, 6 pistons, 6 …
When you want to hire a freelancer to do some design work, there is a problem-How to pay your service provider safely? You need to find a way to pay for services. If you and the freelancer are friends or you have cooperated before, usually this is not a problem. You can use some online payment services …
One day you may have a good product concept or invention idea in your mind. You want to develop it and take it to market-but how to do that? If your idea is about a physical product, you can read this article to understand the simple process. You will find the first step is translating the product …
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COVID19 continues to spread around the world from the end year of 2019. To stop the coronavirus, many countries have to implement travel restrictions, ban gatherings, close schools, work from home plan, etc. At the same time, a lot of doctors and nurses are fighting against the deadly pandemic. But shortages of necessary protective equipment …
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