TAILIEUCHUNG - Design Creativity 2010 part 30

Design Creativity 2010 part 30. What is ‘design creativity’? It is impossible to answer this question without considering why human beings can – and do – ‘design’. Design creativity is instrumental in not only addressing social problems faced across the world, but also evoking an innate appreciation for beauty and a sense of personal contentment. | A Creativity Environment for Educational Engineering Projects when Developing an Innovative Product A Case Study 279 Variants 09 10 These variants were developed by employing especially TRIZ-IP-01 Segmentation and TRIZ-IP-24 Intermediary see explanations above . Fig. 13 left shows a connecting mechanism where a specific V-shaped part is pulled upwards through a rectangular hole in the sliding element. The V-part has a screw on top and is intended to deform when the nut is tightened. The version depicted in Fig. 13 right can be regarded as result of applying TRIZ-IP-13 The other way round - Invert the action s used to solve the problem which in this case was quite inspiring and stimulating. Force is applied in an opposite direction Instead of pulling up an element the set screw is pressing down a V-shaped part. Fig. 13. Solution principles Based on the described variants parts were prototyped and tested in order to prove the feasibility. Unfortunately none of the described concepts could guarantee a secure connection between the rope and the sliding element thus putting the overall mechanism in question. The ubiquitous occurring problem was the increasing deformation of the sliding element resulting from reaction forces when applying pressure onto the rope. The deformation itself led to a rough-running and uncontrollable operation mode of the sliding element when pushed or pulled through the housing. So a serious conflict was identified which according to TRIZ-methodology can be resolved by specific IPs if only the proper contradictionary parameters can be defined. The contradiction was expressed like this An increasing Force Stress or Pressure which improves the connection leads to the worsening features Strength Reliabilty and Object-generated harmful factors. The TRIZ-contradiction matrix recommends several IPs whereas IP-03 IP-13 and IP-35 are most favourable Fig. 14 . Worsening Feature - Improving Feature 14 Strength 27 Re lability 31 .

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