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Abstract

The design of multiple spindles heads for drilling machine whose drills spindles are adjustable or fixed are introduced

The adjustable spindles of the multiple spindles heads are located evenly in the circuit and can be adjusted synchronism on the diameter¡¯s direction to meet the small scale production needs of the screw hole manufacture for flange plate parts.And the fixed multiple spindles heads is design for the big scale production needs of the screw hole manufacture for flange plate parts,it can¡¯t be used to manufacture another farts, because it¡¯s spindle distance is designed for the only part.

The design of multiple spindles heads include three parts : the total design, the transfer system design , and the constructive design

Because of the un-development in our manufacture industry ,most company¡¯s plant lack of the machine to drill multiple holes at the same time , and it¡¯s a waste of funding on the manufacturing facilities which will be laid after the parts are produced . so the economic multiple spindles heads enable the normal company to drill the multiple holes in a fast way .And same company gained the economic performance by the way of reequips the machine tools. It¡¯s the fact that the reequipped drilling machine can satisfy the process precision requirement .so the design is feasible.

Based on the design of the multiple spindles heads , we can also design the others to the manufacture of the other flange plant parts.

Key words: drilling machine ;adjustable; multiple spindles heads;

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