Other Machine Co. moved to a new office in Berkeley at the beginning of March! We love it, and we started production the day after we moved in. We’re excited to report that we’ve already completed our first manufacturing run of Othermills in the new space. We made a fun time-lapse video of some of the setup, which also shows the much larger size of our new factory room. Here's to a bright future.
We’re excited to announce our new Precision Fixturing and Toe Clamp Set, a collection of accessories that allow for unsurpassed finish quality and precision. Much like a vise, the clamps are quick to apply and remove, and the increased rigidity versus tape or glue yields a better surface finish and extends the life of your tools. The Precision Fixturing and Toe Clamp Set enables you to:
We specially designed a new lab experiment for Mechanical Engineering students who are required to take heat transfer courses as part of their major. The Heat Sink Experiment gives students a chance to gain practical experience with theories about heat transfer. This lesson teaches about extended surfaces and 1D steady-state conduction in finned surfaces by having students analyze, design, fabricate on a CNC mill, and test their own heat sinks. Students get a pragmatic, hands-on way to engage with engineering concepts, gain first-hand experience, and also get introduced to manufacturing processes, all of which provide an edge in the job market.
Teaching engineering is hard. It’s one thing to explain concepts, but most students require concrete, practical examples in order to fully understand those concepts. Practical examples cost money, and they also require time and effort to develop. That’s why we’ve started creating free educational content for Mechanical Engineering courses!
We just developed a really cool new accessory for the Othermill that makes your tools last longer and gives your milled parts a nicer surface finish. It also enables you to to see your workpiece more clearly. Win win! We call our new friend the Bit Fan. And the best part is that you can mill your own Bit Fan in 7 minutes!
Update: based on a suggestion from user Peter Luong, we made an STL version of the Bit Fan. If you don't have HDPE but you do have a 3D printer, you can print the Bit Fan!
This post provides an overview of how to design and prototype printed circuit boards on a desktop CNC mill. Most students do not have access to a CNC mill in their electrical engineering or electronics classes. In most classes, students make circuits using breadboards, which allows them to make connections by plugging wires and components into a grid. This method is great for very simple circuits, but it quickly becomes messy as circuits increase in complexity, to the point where it becomes very difficult to troubleshoot.
This guide shows you the basics of converting an STL file to a STEP file. STL files are a 3D mesh format mostly used by 3D printers, but in the world of engineering CAD and CAM, most software requires solid models. The most universal solid model format is STEP (.stp, .step). Ideally you'd begin with a solid model and avoid STLs entirely, but maybe you found the perfect object on Thingiverse or you used a 3D scanner, and there’s no reasonable way to begin with a solid model. Or maybe you're already doing solid modeling, but you need to incorporate an STL model into it. This guide shows you a file conversion process that has worked well for me.
Professor and Chair of the Department of Mechanical Engineering at Tufts University in Massachusetts, Dr. Chris Rogers has a strong commitment to effective teaching techniques. At Tufts, he has spearheaded a number of new educational directives, including learning robotics using Lego bricks and learning manufacturing by building musical instruments. His teaching work extends from higher education down to the elementary school level, where every year he talks with over 1000 teachers around the world about ways of bringing engineering education to the younger grades.
In many Engineering Mechanics and Materials classes, “dog bone” tensile test specimens are required at some point, as part of determining the yield strength and ultimate tensile strength of various materials. For each of these materials, the test specimens are often milled one at a time in the university’s machine shop by a certified lab technician, until there are enough for the entire class. What if there were an easier way that didn’t require a machine shop or certifications, and could even be used as a teaching tool?
Want to see some cool things Othermill users are making out of wood? We’ve got ‘em! These inspiring projects use many different kinds of wood and are milled many different ways. We’ve got inlays, scale models, toys, enclosures, jewelry, and more! Some of these projects even have tutorials for making them.