Reciprocating type thread rolling apparatus

摘要

The present invention relates to a reciprocating type thread rolling apparatus and comprises a ram (7) reciprocated by a crank shaft and fixing to one side thereof at least two moving dies (10a,10b), the other side of the ram (7) being disposed along a single thread rolling pressure bearing block (11), and stationary dies (9a,9b) adapted to pair with the moving dies for thread rolling, the stationary dies being the same in number as that of the moving dies and disposed to be opposite to the moving dies.