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Delta Elevator Co. Ltd. is a privately-owned elevator servicing and manufacturing company with its headquarters in Kitchener, Ontario. The company designs and installs a wide range of elevating devices from small accessibility lifts to large freight elevators, and their business has been growing rapidly. The Mechanical Engineering Department, managed by Michael Tikal, is primarily responsible for the mechanical design, manufacturing, and processing of new elevator installations. For example, the company has developed their version of the innovative new traction elevator design known as the Machine Room Less (MRL) Elevator, partly shown in Figure 1. However, the installation of this particular elevator type remains more complex and time consuming than more traditional designs. In addition, the Delta sling structure design is not symmetrical and in some cab style configurations the car has been observed to lean more heavily on one side of the guide. This has the potential to create more wear on the roller guides and reduce their life span, if not counteracted with balancing weights.
The teaching objective of this case is to illustrate machine design process. The main expected learning outcome is for students to practice design synthesis. It is intended that the case study be open-ended, where students will need to move through the engineering design process, and conceptualize adequate solutions based on the design requirements.
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Contact Waterloo Cases in Design Engineering
Steve Lambert
Tel: (519) 888-4728
Email: steve@uwaterloo.ca
The University of Waterloo acknowledges that much of our work takes place on the traditional territory of the Neutral, Anishinaabeg and Haudenosaunee peoples. Our main campus is situated on the Haldimand Tract, the land granted to the Six Nations that includes six miles on each side of the Grand River. Our active work toward reconciliation takes place across our campuses through research, learning, teaching, and community building, and is co-ordinated within the Office of Indigenous Relations.