An Evaluation Of Agricultural Tractors Hydraulic Lift Performance
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An Evaluation Of Agricultural Tractors Hydraulic Lift Performance
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Author : Grant W. Melotz
language : en
Publisher:
Release Date : 2016
An Evaluation Of Agricultural Tractors Hydraulic Lift Performance written by Grant W. Melotz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
The current OECD Code 2 detailing the procedures for the hydraulic lift test of agricultural tractors, section 4.3, published lift values that were sometimes unattainable. The static weight of 2WD, two wheel drive, and MFWD, mechanical front wheel drive, tractors and the amount of lifting force have increased at a greater rate than the amount of static weight on the front axle. This increase in lifting force has led to a decrease in the percent of weight as the upward support force on the front axle of a tractor. Many of the 2WD and MFWD unballasted tractors tested at the Nebraska Tractor Test Laboratory (NTTL) since 1995 were discovered to have lift forces sufficient to raise the front axle off of the ground given the current maximum achievable lifting capacity measured during testing.Equations for calculating the maximum realistic achievable lifting capacity of tractors were developed based on maintaining a minimum amount of upward support force on the front axle. A test to determine how much upward support force at the front axle was sufficient to maintain adequate steering control of tractors was developed. Operator feedback from this test determined that 20% of the total tractor weight as the upward support force on the front axle had significantly greater steering control when compared to 15%. A sample proposal was drafted to be sent to OECD to update the hydraulic lift test in Code 2 requiring limiting the maximum lifting force published such that a minimum of 0% of the total unballasted tractor weight as the upward support force on the front axle for 2-track tractors, and 20% for 2WD and MFWD, and 4WD tractors. This proposal utilized a series of equations based on several different tractor characteristics to determine the maximum realistic achievable lifting capacity of agricultural tractors that were tested at OECD accredited test facilities. Ballasted weight configurations were also incorporated for maximum realistic achievable lifting capacity of tractors under this new proposal. A sample of what future publications with these changes could resemble was prepared for the John Deere 6150M tractor.
Performance Assessment Of Agricultural Tractors Methods For Determination Of Hydraulic Power And Lifting Capacity
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Author : British Standards Institute Staff
language : en
Publisher:
Release Date : 1983-07-29
Performance Assessment Of Agricultural Tractors Methods For Determination Of Hydraulic Power And Lifting Capacity written by British Standards Institute Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-07-29 with categories.
Agricultural tractors, Agricultural equipment, Tractors, Performance testing, Power (mechanics), Power measurement, Hydraulically-operated devices, Lifting, Hoists, Hoisting tests, Materials handling operations
Testing And Evaluation Of Agricultural Machinery
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Author : M. L. Mehta
language : en
Publisher: Daya Books
Release Date : 2005
Testing And Evaluation Of Agricultural Machinery written by M. L. Mehta and has been published by Daya Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Technology & Engineering categories.
Agricultural mechanization is a sine qua non to remove drudgery, improve working comfort, enhance timeliness, reduce losses and increase production and productivity. Accordingly, use of better power viz., tractors and different types of agricultural machines in Indian agriculture has risen sharply on Indian farms to boost food and fibre production. But to safe guard the user s interest, to ensure better quality and reliability of machines and for sustained growth of farm machinery industry, there is a need for sound scientific testing and evaluation of farm machines by using instrumentation and accepted methodology. Thus, testing and evaluation holds the proper key to standardization and quality control of agricultural machinery for better acceptability and sustained farm production. To satisfy the genuine need of different sectors, this book has been prepared. It is expected to serve as a textbook for the students of Agricultural Engineering degree and postgraduate degree programme. It may also serve the needs of professional engineers, scientists, testing institutions and research organizations dealing with testing and evaluation of agricultural machinery. This book will also cater to the needs of tractor and agricultural implement manufacturing industries, consultants, agricultural universities/colleges as a valuable reference for quailty imporvement and standardization. It is hoped this book will be a valuable reference for all students and professionals. Contents Chapter 1: Status of Agricultural Mechanization in India; Chapter 2: Testing and Evaluation System in India; Chapter 3: Testing and Evaluation of Agricultural Tractor; Chapter 4: Testing and Evaluation of Tillage Machinery; Chapter 5: Testing and Evalaution of Seed-cum-Fertilizer Drills; Chapter 6: Testing and Evaluation of Rice Transplanter; Chapter 7: Testing and Evaluation of Irrigation Pumps; Chapter 8: Testing and Evaluation of Manually Operated Sprayers and Dusters; Chapter 9: Testing and Evaluation of Combine Harvester; Chapter 10: Testing and Evaluation of Power Thresher; Chapter 11: Data Acquisition, Processing and Analysing by Personal Computers; Chapter 12: Safety Testing of Agricultural Machinery.
Testing And Evaluation Of Agricultural Machinery And Equipment
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Author : D. W. Smith
language : en
Publisher: Food & Agriculture Org.
Release Date : 1994
Testing And Evaluation Of Agricultural Machinery And Equipment written by D. W. Smith and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Technology & Engineering categories.
This bulletin provides principles, practices and procedures for testing machines and also determines aspects of a machine's performance that can be evaluated. It is directed towards those involved in the evaluation of machinery, and primarily towards users on small farms. Evaluation of farm equipment may be appropriate at any stage in its development, from first prototype to batch and series production.
Performance Assessment Of Agricultural Tractors Method For Determination Of Hydraulic Power At Tractor Implement Interface
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Author : British Standards Institute Staff
language : en
Publisher:
Release Date : 1997-04-01
Performance Assessment Of Agricultural Tractors Method For Determination Of Hydraulic Power At Tractor Implement Interface written by British Standards Institute Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-01 with categories.
Agricultural tractors, Agricultural equipment, Performance testing, Assessed reliability, Performance, Tractors, Hydraulic pressure, Pressure, Pressure testing, Hydraulic couplings, Hydraulic transmission systems, Testing conditions, Measurement, Tolerances (measurement), Reports
Test Procedure For Measuring Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch
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Author : ATSC Test Standards Subcommittee
language : en
Publisher:
Release Date : 1983
Test Procedure For Measuring Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch written by ATSC Test Standards Subcommittee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Test Procedure For Measuring Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch
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Author : Machine Technical Steering Committee
language : en
Publisher:
Release Date : 2019
Test Procedure For Measuring Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch written by Machine Technical Steering Committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
The lift capacity can be determined by Section 4 and/or Section 5. When the results are recorded, the test method shall be identified.Standard is recommended to be balloted for cancellation due to proposal from ASABE that the document no longer has value.
Test Procedure For Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch Sae J283 Sep83
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Author : American National Standards Institute
language : en
Publisher:
Release Date : 1984
Test Procedure For Hydraulic Lift Capacity On Agricultural Tractors Equipped With Three Point Hitch Sae J283 Sep83 written by American National Standards Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Farm tractors categories.
Agricultural Tractors Test Procedures Hydraulic Power At Tractor Implement Interface
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Author : British Standards Institute Staff
language : en
Publisher:
Release Date : 2006-07-31
Agricultural Tractors Test Procedures Hydraulic Power At Tractor Implement Interface written by British Standards Institute Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-31 with categories.
Agricultural tractors, Agricultural equipment, Performance testing, Performance, Tractors, Hydraulic pressure, Hydraulic transmission systems, Hydraulic couplings, Pressure measurement (fluids), Pressure testing, Testing conditions, Reports
Gb T 24648 1 2009 Translated English Of Chinese Standard Gbt 24648 1 2009 Gb T24648 1 2009 Gbt24648 1 2009
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Author : https://www.chinesestandard.net
language : en
Publisher: https://www.chinesestandard.net
Release Date : 2019-09-14
Gb T 24648 1 2009 Translated English Of Chinese Standard Gbt 24648 1 2009 Gb T24648 1 2009 Gbt24648 1 2009 written by https://www.chinesestandard.net and has been published by https://www.chinesestandard.net this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-14 with Technology & Engineering categories.
This Part of GB/T 24648 specifies terms and definitions, fault classification and judgment rules, evaluation indicator system, evaluation method for assessment of tractor reliability as well as test methods for tractor reliability during use. This Part is applicable to reliability assessment and evaluation of shaped tractor. Reliability assessment of prototype tractor may refer to this Part.