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Asme Bth12017 Design Of Belowthehook Lifting Devices 1st Edition American Society Of Mechanical Engineers

Name: Asme Bth12017 Design Of Belowthehook Lifting Devices 1st Edition American Society Of Mechanical Engineers
SKU: BELL-48212810
Price: 31.00 USD
Availability: InStock
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SKU: BELL-48212810

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Asme Bth12017 Design Of Belowthehook Lifting Devices 1st Edition American Society Of Mechanical Engineers instant download after payment.

Publisher: ASME

File Extension: PDF

File size: 2.24 MB

Pages: 70

Author: American Society of Mechanical Engineers

ISBN: 9780791871355, 0791871355

Language: English

Year: 2017

Edition: 1

Product desciption

Asme Bth12017 Design Of Belowthehook Lifting Devices 1st Edition American Society Of Mechanical Engineers by American Society Of Mechanical Engineers 9780791871355, 0791871355 instant download after payment.

There have been many formal requests for interpretation of the limited structural design criteria
stated within ASME B30 .20 , Below-the-Hook Lifting Devices, a safety standard . As a consequence,
industry has for quite some time expressed a need for a comprehensive design standard for
below-the-hook lifting devices that would complement the safety requirements of ASME B30 .20 .
All editions of ASME B30 .20 have included structural design criteria oriented toward the industrial
manufacturing community requiring a minimum design factor of 3 , based on the yield strength
of the material; recent editions have also included design criteria for the fatigue failure mode .
However, members of the construction community expressed the need for design criteria more
suitab le to their operating conditions, including a lower design factor, and the necessity to address
other failure modes such as fracture, shear, and buckling, and design top ics such as impact and
fasteners .
A Design Task Group was created in 1 997 to begin work on a design standard as a companion
document to ASME B30 .20 . The ASME BTH Standards Committee on the Design of Below-theHook Lifting Devices was formed out of the Design Task Group and held its organizational
meeting on December 5 , 1 999 .
ASME BTH-1 –2005 , Design of Below-the-Hook Lifting Devices, contained five chapters : Scope
and Definitions , Lifter Classifica t ions , Structural Design , Mechanical Design , and Electrical
Components. This Standard, intended for general industry and construction, set forth two design
categories for lifters based on the magnitude and variation of loading, and operating and environmental conditions. The two design categories provided different design factors for determining
allowable static stress limits. Five Service Classes based on load cycles were provided . The Service
Class establishes allowable stress range values for lifter structural members and design parameters
for mechanical components.

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