Mechanical spring axle unit for a bowl classifier

A mechanical spring journal assembly (20) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effectuating therewithin the pulverization of material such as coal. It is through the operation of the subject mechanical spring journal assembly (20) tht there is established the magnitude of the forces which the grinding rolls (18) of the bowl mill (10) apply to the coal for purposes of accomplishing the pulverization of the coal. The subject mechanical spring journal assembly (20) includes spring housing means (44) comprising a self-contained subassembly unit for the operating components of the mechanical spring journal assembly (20), stud bearing means (38) attached to one end of the spring housing means (44), preload stud means (40) having one end thereof supported by the stud bearing means (38), pressure spring means (42) positioned in surrounding relation to the preload stud means (40) and adjustment means (46) operative for mounting the mechanical spring journal assembly (20) in the bowl mill ( 10).