Girder front end manufacturers manual#

Yield strength of the materialпјљПѓs=325 MPa Lg-length of middle drum without groove=100 mm L2-length of groove for fixing wire rope=3p=102 mm Number of groove(inclusive safety loop)=34.22 The standard of groove shape: International standard. Then we can get Groove pitch of drum t=40mmгЂ‚Дў.1.3 Drum parameter calculation, Strength calculation and stability calculation. So 30NAT-6Г—19WS+IWR1870 meets the requirementгЂ‚ Wire rope selected: 36NAT-6Г—36WS+IWR1870,its nominal tension 863пјЊis greater than Max. So motor QABP315S6A meets the requirements. Single motor QABP315S6A power rating when benchmark duty is 75kwгЂ‚ О› T:when benchmark cyclic duration factor, allowed motor overload multiple,О» T=3.0 Motor power rating when benchmark duty P Nв‰ҐHГ—Nj /О» T Unit as follows if no specified in the design calculation:ДЎ.1 Cabin follow the original series, considered as independent components in the machine, so it is not regarded in this design calculation manual.ДЎ.2 Walking platform and railings are all made in accordance with the relevant national standards, ministerial standard, so it is not regarded in this design calculation.ДЎ.3 Gear Couplings provided by qualified subcontractor with long-term cooperation, so it is not regarded in this design calculation. Hook Approaches: Aux Hoist Cabin end 1550mmД¬rane Work DutyпјљA8 Mechanism Work DutyпјљM8 Lifting Speed: Main Hoist VMH=0.46~4.6m/min General Requirement and Known Parameters of the crane To determine the diameter of wheel, checking the trolley running motor power, and determine the reducer and brake model according to maximum wheel pressure Дetermine the size of the key components of the crane balanced arm and axle Hook parameter is determined based on the rated lifting capacity ДЄccording to the dead load of hook and max lifting height from rated lifting capacity to determine the motor model, pulley diameter, rope diameter, roll diameter, wall thickness, reducer Model and brake models ДЄccording to userвЂ™s requirements on hook limit position to determine the layout of the trolley Д®stimate the trolley dead load and maximum wheel load to determine the number of trolley wheels and wheel diameter, and with the rated lifting capacity to determine the main beam section size Д®stimate the total weight of the crane, and estimates crane maximum wheel according to lift and right limit position of hook Д«ridgeВ Crane for FoundryВ 130/30t-22.5m A8В Design Calculation.

Girder front end manufacturers manual#

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