Automotive Design and Production

JUN 2015

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21 Anderson points out, however, that while the Jeep is tuned to be an of- road capable vehicle, the Fiat is tuned for on-road manners. The 500X is available with either a front- or all-wheel-drive. The all-wheel- drive system utilizes a disconnecting rear axle to improve efciency by reducing parasitic loss when all-wheel drive is not needed. Anderson explains that the 500X ofers the "Fiat Dynamic Selector" system, which allows the selection of driving modes: Auto, which adjusts engine calibration for smooth, fuel- efcient operation; provides higher servo assistance for the electric power steering; and adjusts the shift points for low carbon dioxide emissions. Sport, which adjusts the engine calibration, the ESC system, and the steering for a sportier feel; if the car has AWD, the transmission is adjusted for lateral dynamics. Traction +: this is for maximum low-speed traction on slippery or of-road surfaces through the adjustment of chassis controls and by providing a more-direct engine response. In the U.S. market, the 500X has two four-cylinder engine choices: a 160-hp, 184 lb-ft of torque 1.4-liter MultiAir Turbo engine or a 180-hp, 175 lb-ft of torque 2.4-liter Tigershark MultiAir2 engine. The 1.4-liter engine is mated to a six-speed manual transmission. The 2.4-liter engine is ftted to a nine-speed automatic with Auto Stick manual shifting capability. To make sure that the vehicle is robust, Anderson says that approximately 70% of the body structure is made with high-strength steel, which also helps make the vehicle comparatively light: 2,967 lb., compared with the similarly sized 500L at 3,203 lb. Speaking of making things, the 500X is built in an assembly plant in Melf, Italy, alongside the Jeep Renegade. Although it is somewhat odd to think of an "Italian icon" being produced next to something someone might likely associate with, say, Toledo, Ohio, the 500X is arguably more Italian as regards its build than the 500 or the 500L models available in America. That is, the 500 is assembled in a plant in Toluca, Mexico. The 500L hails from Kragujevac, Serbia. Speaking of places, according to Stoicevich, there were over 3-million miles of road travel taken for the development of the 500X. That's on top of 500,000 hours of lab testing and 2.5-million hours of engineering. They wanted to make sure they got it right. *Dimensionally speaking . . . 500 500L 500X Length: 139.6 in. 167.3 in. 167.2 in. Wheelbase: 90.6 in. 102.8 in. 101.2 in. Height: 59.8 in. 65.7 in. 63.1 in. Width: 64.1 in. 69.8 in. 75.5 in. Using technologies developed for the multi-award winning REVO ® , the new compact PH20 from Renishaw changes CMM touch-trigger probing forever, with fast, inf nite, 5-axis positioning. PH20 reduces the effect of CMM dynamic errors by only moving the probe head and eliminating indexing for a 3-fold increase in throughput. See the new PH20 in action: Renishaw.com/PH20 Renishaw Inc Hoffman Estates, IL www.renishaw.com Eliminate measurement constraints with the new infi nite positioning PH20 CMM touch trigger system. the infi nite possibilities of process control

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