In line butt height difference shall not exceed 5% of the minimum thichness
AWS B3.0 Specification Requirement shall be confirmed for Base Material and Welding procedure
The welds shall be carried out by welders who have passed the qualification tests
Bolt holes shall be made by drilling or by a punch Machine
Bolt shank length should be grather than part which is to be tightened and washer shall use.Sand Sa 2.1/2 and uniform inorganic galvanizing coating shall be considered for bolted joints
British Standards specifications BS3643 Part 1 & 2, ISO Metric screw threads shall be considred
Steel as Defined in the ASTM standards or similar shall be used
Bridge,Trolley Travel,Hoist,Hooks and Blocks shall be made according to standard
The hook shall be made from forged steel and no welding is permitted on the hooks
The Couplings shall be made from forged Material
Flexible couplings with brake in accordance with DIN 15431 Sall be employe between motor and GB
All drive shafts must be obtained from steel bar or tube and deflectin shall not exceed 1mm pm
All supports shall be in steel or spherical cast iron with rolling bearing
Minimum life time for bearings shall be 50000 hours
The drum shall be made with welded Steel plates normalized after welding according to din 15061
More basic design requiremens for Wire rope,Equalizer Sheaves,Load Cell,wheel,Rails,Buffers,Reducing Gears unit,Gear wheels,Rotating parts Protection Carter,Lubrication,Guarantee in improvmi booklet