eot crane design

GENERAL DESIGN:
The EOT crane will be designed in accordance with IS: 807-1976 code of practice for design manufacture, erection and testing (Structural position) of cranes and hoists and IS: 3177-1999 code of practice for design of overhead travelling cranes.

In the design of components adequate factor of safety, as per relevant codes, shall be allowed. Impact fatigue, wear and stress concentration factors shall be taken into account whenever applicable.

STEEL:
Tested quality steel or equivalent will be used in the manufacture of the main load bearing members of the crane structure. The crane bridge will be mono girder type and shall be suitable stiffened, if desire, by an auxiliary girder to be proved on one side of main girder.

The end carriage will be fabricated from suitable rolled steel section provided with dipharm members and will be connected to the girders to prevent cross bending. The end carriages will be provided with double flanged forged wheels running on anti-friction bearing. For easy assembly / erection at site all parts of structure will be given match makings.

CONTROLLING EQUIPMENT:
The crane shall be controlled from floor through pendant push button station hanging from (Hoist). The push button will operate the motors through contractors so as to have the controlling voltage at the push button at 110volts. This is for safety of the operator. The crane shall be equipped with protective control panel consisting of contractors, overload relays, fuses transformers, etc.

TEST LOAD:
The crane will be tested at 25% overload. This test has to be performed after erection at site, if erection contract is awarded to us, and it will be responsibility of the purchaser to make all the necessary arrangement and incur expenses relating to this test.

PAINTING:
The crane will be painted with one coat of red oxide primer and one cost of enamel paint at our works before dispatch.

OPERATION INSTALLATION INTRUCTION:
With each crane, two copies of installation and operation instruction containing full instruction for assembly, erection and maintenance of the crane are supplied this also contain the list of the parts to enable ordering out spares.