Prototyping with 3D Printing – students apply “Learning Lab” know-how for their bachelor thesis

Written by Prof. Dr. Joachim Günther (HM)

Starting March 2020, the COVID-19 pandemic caused extensive restrictions. Even though further Learning Lab POW workshops (‘Print Your Own World’) weren’t held, students kept utilizing their know-how and realizing new products. Figures 1-3 show functional models and prototypes that were the outcome from various bachelor theses.

One important decision upfront is which prototype components should be printed and which ones should be bought. Components such as shafts or steel pins are cheaper and quickly acquired in DIY supply stores.

Figure 1: Cardan joint that is able to transfer rotation and torque from a driveshaft to an output shaft, even if both shafts are positioned angularly.

Below, two mechanical functional models integrating 3D printed components are displayed.

Figure 2: Functional model with two cardan joints that are arranged consecutively. Thus, the torque in between the shafts that have offset can be transferred. One common application is found in machine engineering.
Figure 3: Gear range from a drive shaft and a pulley. These basic gears were used in mediaeval times as powertrain for water-powered mills.

These bachelor theses were super-visioned by Prof. Dr. Joachim Günther (Hochschule München, Faculty 09, Engineering Economics). For further information please contact me.