Analysis And Usage Of Cams And Their Followers Engineering Essay

Analysis And Usage Of Cams And Their Followers Engineering Essay A cam follower, also known as a track follower,[1] is a specialized type of roller or needle bearing designed to follow cams. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part; stud style cam followers use a stud while the yoke style has a hole through the middle.[2] The first cam follower was invented and patented in 1937 by Thomas L. Robinson of the McGill Manufacturing Company.[3] It replaced using just a standard bearing and bolt. The new cam followers were easier to use because the stud was already included and they could also handle higher loads.[ / CAM AND MECHANISMS A cam mechanism consists of three elements: the cam, the follower (or follower system), and the frame. The follower is in direct contact with the cam. The cam may be of various shapes. The follower system includes all of the elements to which motion is imparted by the cam. This may be connected directly to the follower, or connected through linkages and gearing. The frame of the machine supports the bearing surfaces for the cam and for the follower. A CAM changes the input motion, which is usually rotary motion (a rotating motion), to a reciprocating motion of the follower. They are found in many machines and toys WHAT IS THE CONCEPT BEHIND CAM? A CAM is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower. The cam and follower has a point or line contact constitute a higher pair or you can say that it is the mechanicl component of a machine that is used to transmit the motion to the another component of the machine called the follower, through a prescribed program by direct contact.The contact between them is maintained by an external force which is generally provided by the spring or sometimes by the weight of the follower itself ,when it is sufficient. Cam is the driver member and the follower is the driven member. The followe r is in direct contact with the cam. CAM MECHANISM CONSIST OF THREE MECHANISMS CAM:It may be of many shapes FOLLOWER: It includes all the elements to which motion is imparted by the cam.This may be connected directly by the cam.This may be connected directly to the follower, or connected through linkages and gearing. FRAME: The frame of the machine supports the bearing surfaces for the cam and for the follower. APPLICATIONS OF CAM AND FOLLOWERS Cam and follower are widely used for operating inlet and exhaust valve of I C engine. These are used in wall clock. These are used in feed mechanism of automatic lathe Machine. These are used in paper cutting machine. Used in weaving textile machineries. The cam mechanism is a versatile one. It can be designed to produce almost unlimited types of motioning the follower. It is used to transform a rotary motion into a translating or oscillating motion. On certain occasions, it is also used to transform one translating or oscillating motion into a different translating or oscillating motion.

Aesthetic of the Maqbool Movie Essay Example | Topics and Well Written Essays - 750 words

Aesthetic of the Maqbool Movie - Essay Example Arjun Appadurai on giving his opinion about Maqbool said that the notion of the nation-state is on the edge of disappearing; however, its maintenance is based on certain ethical and political dimensions. It is because of the permeability of borders that the idea of national cinema is being questioned as the borders are being pushed and broadened. The major difference found in the Hollywood and Bollywood movies belonging to the same genre as Maqbool is the incorporation of music and background scores. For example, thriller movies like Maqbool, All about my mother, Black Orpheus etc. in Hollywood incorporate the background scores in order to provide more depth to the storyline. There are no thriller-drama Hollywood movies where songs can be found in the background. However, in Bollywood movies, there is a significant place for songs as they are used to define some intense and important scenes of the movie. The function of a song in the Hollywood movies is just to define the complexity of the scene, whereas its function in Bollywood movie may include defining the importance of a scene. Few songs that are used in Movie Maqbool define the infatuations between the movies lead character (Rastogi). The Bollywood film industry has always cherished the spirit of love in their movies. Most of the Bollywood movies irrespective of their genre incorporate love and romance. However, this is not always the case of Hollywood movie. The thriller dramas of Hollywood most of the time do not incorporate love story just to cater to some specific type of audience. The Hollywood thrillers usually revolve around a strong storyline following the authenticity of the original script, rather than focusing on the audience by including the elements of love and romance. In Bollywood movies, the love and romance constitute a significant part.

Marketing Communication of Adidas Essay Example | Topics and Well Written Essays - 1000 words

Marketing Communication of Adidas - Essay Example The firm that is analyzed in the paper is Adidas. Created in 1925 by Adolf ‘Adi’ Dassler, Adidas has dominated the sports apparel and footwear market for over 80 years. Adidas started off as a sports footwear company that designed special shoes for athletes, however, over the years Adidas expanded into sports goods as well. After its success in Germany Adidas expanded to the United States in 1968, and captured the American market in a matter of few years. Adidas’ success worldwide can be attributed not only to its unmatched quality and innovation but also to its marketing strategies. Being a premier sports brand, Adidas has been prominent in the sports world at all levels which has been a huge success factor for the brand. The broad product offering of Adidas has enabled it to capture a global market for itself; the product categories include Football, Basketball, Running, Training and Outdoor sports. Customization and innovation are key growth drivers for the bra nd. Adidas is identified with performance and in order to uphold that brand image it serves its consumers five performance benefits through its products which are designed to be faster, stronger, smarter, cooler and natural. Marketing communication plays a pivotal role when it comes to establishing brand name, loyalty and engaging consumers. The marketing communication of Adidas seeks to achieve three main objectives: creating brand awareness, identifying a need that the brand or product fulfills and finally encouraging action from the audience. It achieves these by employing seamless marketing and communication leadership strategies, rendering authenticity through strategic partnerships and extending brand reach through endorsements and partnerships. A very important growth driver is the brand’s history with athletes and Global sports which has not only created a favorable brand image but also brand awareness and loyalty in the Global arena. Endorsements and sponsorships hav e been the central marketing communication tool of Adidas. By virtue of its nature, the brand has the power to dominate the world of sports through strategic partnerships and celebrity endorsements. The most crucial perhaps, have been endorsements by athletes such as Ian Thorpe, Andre Agassi, Kaka, Zidane, David Beckham et al who embody the brand image and product philosophy and consequently create very favorable attitudes in consumers towards the brand. The brand is, therefore, not only preferred by athletes across the world but also by ordinary consumers who have a passion for sports and who idolize those athletes. Another marketing tool of the brand is associating the brand philosophy to tangible outcomes. This not only renders legitimacy to the brand but also sensationalizes it and therefore leaves a very far reaching impact by creating a brand appeal that is second to none. The ‘golden ball’ for instance was the official football for FIFA World Cup 2006. The brandà ¢â‚¬â„¢s association with major sporting events, leagues, clubs and sports associations as partner, sponsor and licensee has also been a central pillar in propping its marketing communication. Among many such associations some mention worthy partnerships and sponsorships include; the