mechanics

Son of Know Your Bolts

Son of Know Your Bolts

In the comments on yesterday’s piece about Bolt Depot’s poster of fasteners, a reader, JamesB, wrote: I would encourage budding young fabricators to also take a look at the bolt grade charts and get an inexpensive universal thread gauge. For found fasteners, the grade markings help differentiate metric from SAE, and the thread gauge helps […]

And the Winners Are….

We had two giveaways close last night. In the Make: Arduino Getting Started with Arduino Kit giveaway, the winner is: Fractal LLC Thanks to all who participated (we had over 600 entries) and thanks to Maker Shed for providing this great kit. In the Mechanics Skill Set giveaway of Dustyn Roberts’ Making Things Move, the […]

Tips on Printing Mechanical Parts

Tips on Printing Mechanical Parts

MakerBot Industries blogger MakerBlock is working on a clockwork spider, and went the route of designing his own gears. He’s sharing his observations of designing and printing his own clockwork parts on the MakerBot blog. Here’s a sample: Don’t make parts too thin. The parts I printed tended to be designed too thin. If you […]

Drilling Square and Hexagonal Holes

Drilling Square and Hexagonal Holes

Turns out it’s also possible to drill hexagonal hole using a very similar tool based on the Reuleaux pentagon. The video immediately above, again from jacquesmaurel, shows a tool he describes as a “Vika attachment,” mounted in a lathe, boring an hexagonal hole in a piece of stock. The video below, part of the Wolfram Demonstrations Project, illustrates the process.