Graziano Trasmissioni

Graziano Oerlikon (former Graziano Trasmissioni) is an Italian company based in Turin manufacturing gearboxes, drivelines and their mechatronics components. It makes the "Pre-Cog" seven-speed Seamless-Shift gearbox (SSG) dual-clutch gearbox used in the McLaren MP4-12C.[1]

Oerlikon Graziano 6 gear automatic gearbox 6HP-28A

Graziano Oerlikon is the world largest supplier of precision gears and shafts for final reduction components within the agricultural and off-highway vehicle.[2]

The company is also known for supplying transmission and mechatronics for premium performances cars. Customers include Ferrari, Lamborghini, Audi, Maserati , Alfa Romeo and Aston Martin, while some Mercedes-AMG models uses Graziano Power Transfer Unit .[3][4] Competitors are Germans ZF Friedrichshafen and Getrag.

History

Graziano Trasmissioni was started in 1951 as a small family company with 15 employees by Carlo Graziano. In 1963, the company moved to its present headquarters in Cascine Vica. After 1981, the company's export activity increased progressively. The company then expanded, opening a factory in India in 1999, another in Suzhou (China) in 2006 and a third in Cerveny Kostelec (Czech Republic), in 2006.

In 2007 it merged with North American Fairfield, becoming Oerlikon Drive Systems, part of the Oerlikon Group. Graziano is currently named Oerlikon Graziano.[5]

Applications

From 1996-1997, starts the cooperation with Ferrari, it developed and supplied the complete gearboxes for the Ferrari Modena, 612 Scaglietti, Enzo, 430, 575M Maranello.

The new Lamborghini Aventador uses a single-clutch lightweight 7-speed semi-automatic gearbox built by Graziano. .[6][7] Despite being single-clutch, gear-shifts are accomplished in 50ms. The Gallardo used a mid-engine gearbox.

The DCT gearbox used in the new Audi R8 was developed in partnership with Graziano. It is built and pretested at Graziano's Luserna plant in Italy before shipment to Volkswagen's Kassel plant in Germany, where the clutch and mechatronics modules are added. The finished transmission is then sent to Audi.[8]

The Aston Martin One-77, Vantage S, V8 Vantage, DB9 and Maserati GranTurismo S use rear transaxle gearboxes while the Maserati Quattroporte and Coupé & Spyder Trofeo- GranSport had an MT-AMT (Automated Manual) gearboxes.

The 2014 McLaren 650S uses the second generation of the SSG, with revised software which improves shifting times by further 0.3s[9]

See also

References

  1. ↑ English, Andrew (2011-02-14). "McLaren MP4-12C review". The Daily Telegraph. London.
  2. ↑ http://www.oerlikon.com/graziano/en/products/gear-drive-solutions/high-precision-gears-1/
  3. ↑ http://www.oerlikon.com/en/innovation/our-competencies/competences-drive/
  4. ↑ http://ae-plus.com/features/qanda-paolo-mantelli-grazianos-head-of-automotive-transmissions
  5. ↑ "Historical milestones".
  6. ↑ "Lamborghini Aventador's transmission comes from Italian specialists Oerlikon Graziano". Harry. Retrieved 31 March 2011.
  7. ↑ "Oerlikon Graziano and Vocis Driveline Controls develop step change in transmission technology for new Lamborghini flagship". Oerlikon Graziano. 22 Mar 2011. Retrieved 31 March 2011.
  8. ↑ http://ae-plus.com/technology/graziano-helps-audi-r8-to-make-smooth-progress
  9. ↑ http://www.autoblog.com/2014/04/10/2015-mclaren-650s-spider-first-drive-review-video/

External links

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