World Library  
Flag as Inappropriate
Email this Article
 

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 suppling transmission and mechatronics for premium performances cars. Customers include 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.

Contents

  • History 1
  • Applications 2
  • See also 3
  • References 4
  • External links 5

History

Graziano Trasmissioni started in 1951 as a small family company with 15 employees. 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 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

  • Oerlikon Graziano official site
  • UK subsidiary
  • Graziano brochure. Lists the cars equipped with Graziano gearboxes. This list includes various Audi R8, Alfa Romeo 8C Competizione, Aston Martin V8 Vantage and DB9 and Maserati Quattroporte and Coupé/Spyder.
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.