EML2322L Motor Mount Design

EML2322L Motor Mount Design - EML2322L - MAE Design and...

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EML2322L -- MAE Design and Manufacturing Laboratory Motor Mount Design This document contains general notes on how to design motor mounts (and other parts) for the course design project. The top priority for part design is function; above all else, the part must function properly without failing. Beyond that, good designers are concerned with designing parts that can be made quickly and cost effectively; this means keeping parts simple, material use low and manufacturing processes to a minimum. The following points discuss these topics. Objectives 1. Function. As the name implies, the purpose of a motor mount is to attach a motor to a structure such as a robot frame. 2. Attachment method. Typical attachment of motor mounts is performed using fasteners to connect the motor to the mount and the mount to the frame. Other methods involve riveting, welding and adhesive bonding. Fasteners are the most suitable method for attaching the motor mount because they require moderate strength and might need removal for storage or adjustment. 3. Mechanical properties. The motor mount must be capable of rigidly supporting the motor (and everything attached to it) without failure during its expected life span. If the motor mount geometry and material selection are inadequate, the mount can break completely or bend so much that the motor can not effectively accomplish its task. Motor Mount Design Tips 1. General shape. Use simple shapes you have experience producing using the manual machines in the lab. Stated another way, never design part features you don’t know how to make. It is much easier (i.e. quicker and cheaper) to design a rectangular motor mount cut to size from a piece of longer flat bar using the bandsaw as opposed to a fancy bracket with curves that would require a CNC machine to produce (and the necessary part programming and debugging time). Fillets might look nice on the solid part model, but unless critical to part function, they only
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EML2322L Motor Mount Design - EML2322L - MAE Design and...

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