GKN Automotive is a multinational

manufacturer Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation. It is the essence of secondary sector of the economy. The term may refer to ...

driveline A drivetrain (also frequently spelled as drive train or sometimes drive-train) is the group of components that deliver mechanical power from the prime mover to the driven components. In automotive engineering, the drivetrain is the components o ...

components,

all-wheel drive An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand. The most common forms of all-wheel drive are: ;1x1 : All unicycles Reflecting one axle with one ...

systems and

plug-in hybrid A plug-in hybrid electric vehicle (PHEV) is a hybrid electric vehicle whose battery pack can be recharged by plugging a charging cable into an external electric power source, in addition to internally by its on-board internal combustion engin ...

systems for the

automotive industry The automotive industry comprises a wide range of companies and organizations involved in the design, development, manufacturing, marketing, and selling of motor vehicles. It is one of the world's largest industries by revenue (from 16 % ...

. It employs around 27,500 people across 51 manufacturing facilities and 6 technology centres in 20 countries. In 2018, GKN Automotive’s parent company, GKN Ltd, was acquired by Melrose and its automotive business was renamed GKN Automotive. This encompasses both the Driveline and ePowertrain divisions. GKN Automotive became the world's largest producer of

constant-velocity joint Constant-velocity joints (also known as homokinetic or CV joints) are mechanical joints which allow a drive shaft to transmit power through a variable angle, at constant rotational speed, without an appreciable increase in friction or play. The ...

s (CVJs), which it began manufacturing in the 1960s for early

front-wheel drive Front-wheel drive (FWD) is a form of engine and transmission layout used in motor vehicles, where the engine drives the front wheels only. Most modern front-wheel drive vehicles feature a transverse engine, rather than the conventional longitu ...

cars like the original Mini. Its other products include sideshafts, propshafts, modular eDrive systems, multi-mode hybrid transmissions for plug-in

hybrid electric vehicles A hybrid electric vehicle (HEV) is a type of hybrid vehicle that combines a conventional internal combustion engine (ICE) system with an electric propulsion system (hybrid vehicle drivetrain). The presence of the electric powertrain is intended ...

, torque vectoring systems for electric drivelines and a range of all-wheel drive and four-wheel drive systems.

History

GKN (Guest, Keen & Nettlefolds)'s origins date back to 1759 and the founding of the Dowlais Ironworks by the industrialists Thomas Lewis and Isaac Wilkinson. It has changed shape and direction many times along with the

engineering Engineering is the use of scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad range of more speciali ...

industry. The company took part in the railway boom in the early 1800s with its production of iron, then steel in the 1860s and, after the

First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...

, the automotive industry. In 1966, after being advised GKN Steel would be nationalised for the second time, GKN bought CVJ market leaders

Birfield Industries Hardy Spicer is a brand of automotive transmission or driveline equipment best known for its mechanical constant velocity universal joint originally manufactured in Britain by Hardy employing patents belonging to US-based Spicer Manufacturing. Har ...

with its subsidiaries Hardy Spicer and Laycock Engineering with their interests and subsidiaries in

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

and the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

to save its BRD subsidiary.Andrew Lorenz, ''GKN, the making of a Business'', Wiley UK, 2009 This was the start of the company's

globalization Globalization, or globalisation (Commonwealth English; see spelling differences), is the process of interaction and integration among people, companies, and governments worldwide. The term ''globalization'' first appeared in the early 20t ...

. GKN established a manufacturing presence in

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

in 1988. At the same time, GKN Driveline was investing in and growing its business in

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

and

Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...

(Divisions) Products, Research and Development

CVJ Systems

A CVJ, or constant velocity joint, transfers power from the transmission to the front wheels, allowing articulation and movement for

steering Steering is a system of components, linkages, and other parts that allows a driver to control the direction of the vehicle. Introduction The most conventional steering arrangement allows a driver to turn the front wheels of a vehicle using ...

and suspension. The three major elements are: inboard and outboard CVJs, including

lubrication Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in a contact between two surfaces. The study of lubrication is a discipline in the field of tribology. Lubrication mechanisms such as fluid-lubric ...

and sealing systems, and interconnecting shafts. The inboard joint is a plunging joint that allows the effective length of the sideshaft to adjust due to suspension movement. The outboard joint needs to transfer power effectively through a wide range of angles (up to 53 degrees).

AWD Systems

AWD Systems are for all-wheel drive (AWD) vehicles. GKN Driveline has unique developments for partial or full AWD vehicles. Within AWD Systems, GKN Driveline offers one, two or three-piece high speed propshafts made from

steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistan ...

aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...

or composite tubes. Forefront example of this technology is used in the custom made to order by Ford Performance for the Ford Focus RS launched in 2016. It utilizes an intelligent torque vectoring AWD system with rear differentials. This AWD system is also used in various vehicles by GM,

Volvo The Volvo Group ( sv, Volvokoncernen; legally Aktiebolaget Volvo, shortened to AB Volvo, stylized as VOLVO) is a Swedish multinational manufacturing corporation headquartered in Gothenburg. While its core activity is the production, distributio ...

and other car manufacturers.

Trans Axle Solutions

Trans Axle Solutions cover an extensive range of Open Differentials, Limited Slip and Locking Differentials, and advanced products like electronic torque vectoring. The wide range of differentials available is used in

passenger cars A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as t ...

Sports car A sports car is a car designed with an emphasis on dynamic performance, such as handling, acceleration, top speed, the thrill of driving and racing capability. Sports cars originated in Europe in the early 1900s and are currently produced by ...

(SUVs) and Light truck.

eDrive

The eAxle drive module is a compact, lightweight

Gear A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called ''cogs''), which mesh with another (compatible) toothed part to transmit (convert) torque and speed. The basic ...

with an actively controlled wet

clutch A clutch is a mechanical device that engages and disengages power transmission, especially from a drive shaft to a driven shaft. In the simplest application, clutches connect and disconnect two rotating shafts (drive shafts or line shafts). ...

for electric motor assisted AWD. The eAxle unit for axle split

Hybrid electric vehicle A hybrid electric vehicle (HEV) is a type of hybrid vehicle that combines a conventional internal combustion engine (ICE) system with an Electric motor, electric propulsion system (hybrid vehicle drivetrain). The presence of the electric powertr ...

incorporates a proprietary disconnect clutch technology, which facilitates on-demand all-wheel-drive (AWD) use and contributes to the overall all-terrain functionality and

fuel A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy b ...

efficiency. Electric drive transmissions can transmit up to 300 kW of power, they are available with ratios up to 14:1 and can be matched with E-motors from various suppliers to allow flexible application.

References

Bibliography

*Lorenz, Andrew: GKN.The Making of a Business 1759-2009. John Wiley & Sons Ltd (2009) *Jones, Edgar: A History of GKN. Volume One: Innovation & Enterprise 1759-1918. GKN plc (1987) *Jones, Edgar: A History of GKN. Volume Two: The Growth of a Business 1918-1945. GKN plc (1990) *GKN plc factsheet: http://www.gkn.com/media/Documents/GKNfactsheet_final.pdf, 12.08.2011 {{Automotive industry in the United Kingdom Manufacturing companies of the United Kingdom