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Automatic Forklift System

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Automatic Forklift System
CHAPTER 1
INTRODUCTION
1.1 History
A forklift (also called a lift truck, a high/low, a stacker-truck, trailer loader, side loader or a fork hoist) is a powered industrial truck used to lift and transport materials. The modern forklift was developed in the 1920s by various companies including the transmission manufacturing company Clark and the hoist company Yale & Towne Manufacturing. The forklift has since become an indispensable piece of equipment in manufacturing and warehousing operations.
The middle 19th century through the early 20th century saw the developments that led to today 's modern forklifts. The Pennsylvania Railroad in 1906 introduced battery powered platform trucks for moving luggage at their Altoona, Pennsylvania train station. World War I saw the development of different types of material handling equipment in the United Kingdom by Ransomes, Sims and Jeffries of Ipswich. This was in part due to the labor shortages caused by the war. In 1917 Clark in the United States began developing and using powered tractor and powered lift tractors in their factories. In 1919 the Towmotor Company and Yale & Towne Manufacturing in 1920 entered the lift truck market in the United States.
Continuing development and expanded use of the forklift continued through the 1920s and 1930s. World War II, like World War I before, spurred the use of forklift trucks in the war effort. Following the war, more efficient methods for storing products in warehouses were being implemented. Warehouses needed more maneuverable forklift trucks that could reach greater heights. New forklift models were made that filled this need. In 1956 Toyota introduced its first lift truck model, the Model LA, in Japan and sold its first forklift in the United States in 1967.

1.2 Working Principle
In this project we have two line tracking sensors and those are connected like ground line looking position. The robot’s path should be in black line, because of the sensors



References: * R.S. Kurmi (2008) Strength of Materials. 4th Edition. S.Chand Publishing Co. * K. Mahadevan, K.Balveera Reddy.(2013) Design Data Handbook For Mechanical Engineers : In SI and Metric Units . 3rd Edition. CBS Publisher * D.Patranabis (2009) Sensors and Transducers. 2nd Edition. PHI Learning * The Adafruit Learning System.( 2011) Overview on IR Sensor. Website : http://learn.adafruit.com/ir-sensor/overview [ Online] * Engineers Garage (2012) Introduction to Embedded C. Website : http://www.engineersgarage.com/tutorials/emebedded-c-language [Online] * Thomson BSA (2000) Lead screws and Ball screws . Website : http://www.thomsonbsa.com/ , http://en.wikipedia.org/wiki/Leadscrew [Online]

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