Project: Pulley systems V2

thingiverse

To show how simple and multiple chain hoist/pulley block work we need to have one or more pulleys. A fully functional single or multiple pulley is the result of this project. It can demonstrate the transmission of forces and weights in physics. During the design and construction process, the use of basic 3D geometry has been used and wheel bearing has been used as a planetary gear. How I Designed This To create the pulley, which consists of two parts, the addition and subtraction of basic geometric shapes have been used and wheel bearing has been used as a planetary gear. The pulley wheel is formed by a cylinder and torus subtracted from it. To create a multiple pulley, the number of wheels of the pulley can be set parametrically. All parts are designed for 3D printing. Project: Pulley Systems V2 - Pulley with Planetary Gear Bearing Overview & Background Planetary gear sets contain three major components or members. They are: The Ring Gear or Annulus, which has internal teeth and wraps around the entire assembly. The Sun Gear, which is the smallest gear and sits in the center of the assembly. The planetary pinions orbit around the sun gear, hence the name of the gear set. The Pinion Gears interact with the Sun Gear at the same time. Objectives Students will be able to test and use in practice how pulley block, one of the first invented machines, works. Students will find out how to change the force required to lift the load when using more pulleys in various setups. They may also work with inventing their own design of the pulley, in order to meet the principle, while being as simple and compact as possible. Audiences The function of the pulley block is usually part of the curriculum of secondary schools (11-year-old pupils). Complex pulley blocks and designing your own pulley can be a task for older students. Subjects Physics Geometry Engineering Skills Learned With designing your own pulley system, students will learn how to design simple machines, practical demonstration of simple or multiple pulley systems. Lesson Design software 3D printer 1) Design your own pulley or prepare this design for 3D printing. 2) Print all parts of single or multiple pulley. 3) Propose variants wiring hoists. Duration Designing: 5-10 hours Printing: 9 hours per one single pulley Preparation The preparation for this project is the study of the fundamental principles of Archimedes' pulley. Material: You also need to prepare several meters of rope with a diameter of 8-10 mm, steel M6 screw length 50mm for single pulley and a 3D printer. Tools: We needed a hacksaw, hammer, and scissors. A force measuring load cell can be used. And finally, some burden, of course!