A crankshaft is a part of the main engine components and plays critical role in car performance. The component consists journals, pins, flange that experience induction hardening treatment to increase their hardness. Hardness case depth represents important hardness criteria achieved by process. This paper aims evaluate quality analyzing measurement. control chart shows results, which presents ...

As a means to decrease the amount of waste tires and to re-use tire rubber for new tires, devulcanization of ground passenger car tires is a promising process. Being an established process for NR and EPDM, earlier work has shown that for ground passenger car tire rubber with a relatively high amount of SBR, a devulcanization process can be formulated, as well. This was proven for a laboratory-s...

This article examines bicycle use and safety behavior in Paris, Boston, and Amsterdam. Population-adjusted bicycle and passenger car death rates in France, the United States, and The Netherlands provide context for understanding bicycle use and safety behavior. Observation data on helmet use 2 and use of lights at night are also presented. Boston has the fewest bicycles per hour at 55, Paris is...

Although the demand for taxis is increasing rapidly with the soaring population in big cities, the number of taxis grows relatively slowly during these years. In this context, private transportation such as Uber is emerging as a flexible business model, supplementary to the regular form of taxis. At present, much work mainly focuses on the reduction or minimization of taxi cruising miles. Howev...