BS 2573-2 PDF

Find the most up-to-date version of BS at Engineering BS Rules For The Design Of Cranes – Part 2: Specification For Classification, Stress Calculations And Design Of Mechanisms. Bs Crane Design – Download as PDF File .pdf), Text File .txt) or read online. Civil Engineering.

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Take the smart route to manage medical device compliance. Where other steels are used, the crane manufacturer shall show that the properties are comparable with the standard steels and that they have been subjected to equivalent tests.

Appendix B gives guidance on the assessment of torque loading of crane mechanisms. A difficult decision had to be taken on the method of classification to adopt 5273-2 the needs of specially designed cranes and series built standard cranes were to some 2573–2 in conflict. The class of utilization of a mechanism shall be determined from its assumed service life in hours. Specification for classification, stress calculations and design of mechanisms incorporating amendments No.

Loads shall be quantified by the designer having regard to the part played by the mechanism in the service and environment for which the crane is designed. Specification for classification, stress calculations and design of mechanisms.

Alternatively the factor Cf r can be determined from the following 257-2, in which N is the total number of cycles. PDF files will be “bound” to the computer on which it was first opened. In many cases it is desirable that separate components forming part of a mechanism e. Bolts required to transmit a load from one part of a mechanism to another alternatively, to transmit a load between a mechanism and a part of the crane structure shall comply with the requirements of ; b 13 of Part 1: Want access to British Standards?

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Full text of “Safety British Standards”

The following characteristics shall be determined for each type of fluctuating stress e. Arrangements for axial location shall be in accordance with correct practice so that unforeseen additional 273-2 loads are not introduced. BS Document Year Torques applied to the components ns crane mechanisms arise from the interaction of prime movers or brakes with gravitational loads, the inertias of various masses and rotating parts, and with combinations of both. We use cookies to make our website easier to use and to better understand your needs.

Such cases are not, however, relevant for fatigue verifications. The determination of the maximum tensile force, S, in the various ropes which do not exclusively serve in the vertical hoisting of the load shall be based on the loads determined vs the loading conditions specified in 5.

Components shall also be designed or selected to give an economic life in terms of durability that can be affected by fatigue, by wear, by temperature and by vibration. An outline procedure for fatigue verifications has been included, which defines recommended principles, but it 5273-2 not possible, in the present state 2573- the art, to include a comprehensive treatment, and reference to specialized text books may be necessary.

Mention is made of practical design details only to the extent that they are inseparably associated with the basis for the permissible stresses. It applies to ropes complying with the requirements of ISO ; it does not exclude, however, ropes that are not specified in ISO Click here to find out how to access this document.

The minimum winding diameter of the rope shall be determined by checking compliance with the relationship: The service life for which a mechanism or component is designed is a figure used only as a design parameter and shall not be taken as implying a guaranteed life.

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Surface finish factor, C3 18 8. Any pre-loading arrangements shall also be be.

Standard Number BS The presence of such details as shoulders, grooves, holes, keyways, threads, etc. Superseded by BS EN Bearing pedestals and mountings shall be capable of transmitting 2573-22 load from the bearing to the supporting structure, suitable provision being made for cases where the resultant load is not acting as a compression load on a bedplate. 257-32 finish factor, C 3 19 8. When considering durability, the loading combinations appropriate to normal operating conditions shall be considered.

BS 2573-2:1980

Verification of components 4 8. Vi Loads due to the service wind acting horizontally in any direction, where applicable. Any person who, when making use of a British Standard, encounters an inaccuracy or ambiguity, is requested to notify BSI without delay in order that the matter may be investigated and appropriate action taken. Peterson, published by John Wiley and Sons The selection, fitting and lubrication of plain bearings shall be in accordance with the bearing manufacturer’s procedures.

Z p where F 0 is the minimum required breaking load in kN ; S’ is the maximum rope tension in kN as defined in 8. Safety Metrology and measurement. The gearing shall be designed for a service life compatible with the hs life of the mechanism of which the gearing forms a part.

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