Making Things Move: DIY Mechanisms for Inventors, Hobbyists, by Dustyn Roberts

By Dustyn Roberts

In Making issues flow: DIY Mechanisms for Inventors, Hobbyists, and Artists, you'll how one can effectively construct relocating mechanisms via non-technical motives, examples, and homemade projects—from kinetic paintings installations to artistic toys to energy-harvesting units. photos, illustrations, display pictures, and pictures of 3D types are integrated for every project.

This detailed source emphasizes utilizing off-the-shelf parts, on hand fabrics, and available fabrication innovations. easy tasks provide you with hands-on perform utilising the talents coated in each one bankruptcy, and extra complicated tasks on the finish of the publication contain issues from a number of chapters. flip your resourceful rules into truth with support from this sensible, creative guide.

Discover how to:

Find and choose materials
Fasten and subscribe to parts
Measure strength, friction, and torque
Understand mechanical and electricity, paintings, and energy
Create and keep an eye on motion
Work with bearings, couplers, gears, screws, and springs
Combine basic machines for paintings and fun

Projects include:

Rube Goldberg breakfast machine
Mousetrap powered car
DIY motor with magnet wire
Motor path and velocity control
Designing and fabricating spur gears
Animated creations in paper
An interactive rotating platform
Small vertical axis wind turbine
SADbot: the seasonally affected drawing robot

Make nice Stuff!

TAB, an imprint of McGraw-Hill specialist, is a number one writer of DIY expertise books for makers, hackers, and electronics hobbyists.

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Extra resources for Making Things Move: DIY Mechanisms for Inventors, Hobbyists, and Artists

Example text

Let’s say we have a 20-tooth pinion attached to a motor shaft. Then a 100-tooth spur gear (of the same diametral pitch, of course) mates with the pinion to rotate an adjacent shaft. The pinion must rotate five times to turn the output gear once, so the mechanical advantage is 5:1. When the gear train is being used to magnify force, the input gear will always be smaller than the output gear. This setup is great when you have a motor and need to multiply the work it can do by itself, or when you need to slow the motor’s output to a speed that fits your application.

It’s softer than acrylic and easy to machine. It’s what LEGOs and the original printing material used for Makerbot’s CupCake CNC are made of. • Acrylic (trade name Plexiglas) is a clear, hard plastic commonly used in laser cutters and model making. You can cut thin sheets just by scoring it with a hobby knife and then snapping it apart. • Delrin is tough, easy to machine, and low friction (although not as low as Teflon). It is used commonly in gears and bearings. • Nylon is similar to Delrin and good for general-purpose wear applications.

But first, we need to talk about how materials are described. Describing Materials In order to choose materials for projects, you need to learn how to describe materials and how strong they are. Each type of material is characterized by material properties. Material Properties A material property is just something about the material that’s the same regardless of its size or shape. For example, density is a material property, but weight is not. Density is equal to mass divided by volume, so no matter how much stuff you have, that ratio stays the same.

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