Thrust loads from impellers and gears should be absorbed by individual thrust bearings on pinions, or transmitted to the bull-gear thrust bearing by means of thrust rider rings fixed to the pinions and bull gear
. All specified operating conditions and startup conditions should be evaluated for residual thrust loads.
Maintenance is easier on the C800 air compressor with a one-piece removable inducer, in-place roddable coolers, bull gear
inspection ports, and open cooler casing which offer increased access to critical components.
The Centac 750 has only four moving parts--a bull gear
and three rotating impeller assemblies--and does not need an annual overhaul, unlike standard three-stage reciprocating compressors, which have many mechanical parts like pistons and running gears.
Schooley wanted a tool that would bore into the bull gear
and machine the shaft simultaneously so that a sleeve could be installed to correct the wear problem.
Taurus is introducing a full line of branded "Bull Gear
" apparel and shooting gear for retail and dealer-direct sales.
A bull gear
provides automatic tonnage adjustment for fast mold changes and accurate tonnage setup.