초록 ▼

An automatic metal-spinning machine utilizing a plurality of work spindles, which rotate on their own axes, adjacent respective parallel spinning-tool operating shafts rotatable with variable pressure to apply tools against workpieces on the spindles while all simultaneously and continuously rotate

An automatic metal-spinning machine utilizing a plurality of work spindles, which rotate on their own axes, adjacent respective parallel spinning-tool operating shafts rotatable with variable pressure to apply tools against workpieces on the spindles while all simultaneously and continuously rotate around a central column so that a plurality of metal blanks are progressively formed and several parts are completed as the spindles and tool operating shafts make one revolution around the central column.

대표청구항 ▼

A method of metal spinning comprising: a. rotating a plurality of rotating mandrels about a common center; b. clamping work pieces upon said mandrels as a function of the position of said mandrels about said common center; c. positioning a metal forming tool mounted on a cross arm of a respective re

A method of metal spinning comprising: a. rotating a plurality of rotating mandrels about a common center; b. clamping work pieces upon said mandrels as a function of the position of said mandrels about said common center; c. positioning a metal forming tool mounted on a cross arm of a respective reciprocatable rotatable shaft relative to each said mandrel; d. moving each said shaft in a direction parallel to the axis of rotation of the respective mandrel to cause each said tool to bear against a work piece. e. rotating each said shaft under a predetermined load pressure to cause each said tool to bear against a work piece in a direction perpendicular to the axis of rotation of the respective mandrel; f. varying said predetermined load pressure during spinning to accomodate variations in the work to be performed; and, g. effecting said clamping, positioning, moving, rotating and varying as a function of the position of said mandrels about said common center.