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Project

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Project

  1. 1. Table content page 1. INTRODUCTION………………………………………………………………………………………… 1.1 History………………………………………………………………………………………………………. 1.1.1 History of scissors lift table…………………………………………………………………. 1.1.2 History of hydraulic scissors lifttable…………………………………………………. 1.1.3 Table………………………………………………………………………………………………….. 1.2 Definition…………………………………………………………………………………………………. 1.2.1 Definition of scissors lifttable……………………………………………………………. 1.2.2 Definition of hydraulic scissors lifttable……………………………………………… 1.3 Classification…………………………………………………………………………………………….. 1.3.1 Components of hydraulic double scissors trolley lift table………………… 1.3.2 Application of hydraulic double scissors trolley lift tab…………………….. 1.4 Material selection……………………………………………………………………………………… 1.5 Fabrication………………………………………………………………………………………………. 1.5.1 Operation and Tools……………………………………………………………………. 1.5.2 Assembly of various components of HDSTLT………………………………. 1.6 Maintenance………………………………………………………………………………………… a. Definition……………………………………………………………………………………….. b. Types of maintenance…………………………………………………………………… c. Nature and purposeof maintenance……………………………………………… d. Detail producers…………………………………………………………………………… 2. LITERATURE…………………………………………………………………………………………………. 2.1 Principle of operation of hydraulic double scissors lifttable………………………
  2. 2. 2.2 Defilation…………………………………………………………………………………………… 2.2.1 Causes of defilation……………………………………………………………………… 2.2.2 Methods to limit defilation……………………………………………………… 2.3 Pascal’s principle and hydraulics……………………………………………………………… 2.4 Hydraulic fluid …………………………………………………………………………………………… 2.5 Hydraulic oil…………………………………………………………………………………………… 2.6 Theory of design…………………………………………………………………………………… a. design of Platform ……………………………………………………………………………… b. design of scissors arm…………………………………………………………………………… c. design of hydraulic cylinder……………………………………………………………………… d. design of pump……………………………………………………………………………………… e. design of pin…………………………………………………………………………………………… f. design of trolley and wheel …………………………………………………………………. g . Theory of failure ………………………………………………………………………………… 3. OBJECTIV 3.1 Design calculation……………………………………………………………………………………… a. length of scissors arm ………………………………………………………………………………….. b. geometry analysis of scissors arm………………………………………………………………… c. thickness of scissors arm………………………………………………………………………………… d. thickness of hydraulic cylinder……………………………………………………………………… e. buckling load…………………………………………………………………………………………… f. stress analysis…………………………………………………………………………………………… g. pump hand…………………………………………………………………………………………… h. plunger cylinder…………………………………………………………………………………………… i. Reservoir…………………………………………………………………………………………… j. pin …………………………………………………………………………………………… k. Trolley and wheel …………………………………………………………………………………………
  3. 3. 4. Costanalysis…………………………………………………………………………………………… 5. Result…………………………………………………………………………………………… 6. Conclusion and discussion………………………………………………………………………………………………….. 7. Reference…………………………………………………………………………………………………..

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