Machine element or mechanism – Gearing – Pressure distributing
Patent
1983-01-20
1986-05-06
Staab, Lawrence J.
Machine element or mechanism
Gearing
Pressure distributing
74411, 74413, 74665G, 74665F, F16H 5700, F16H 3706, B21C 2300, B28C 116
Patent
active
045862192
ABSTRACT:
Torque-splitting pinion gear for twin-screw machines comprising a first, direct-driven screw shaft, which has an output pinion meshing with a drive pinion provided on a coupling shaft, and also comprising a drive pinion provided on the second screw shaft, this pinion being axially offset towards the front relative to the output pinion of the first screw shaft and being drivable via an output pinion of the coupling shaft.
In order to simplify such a gear and to optimize the driving of the two screw shafts the following features are used in combination:
The output pinion of the coupling shaft meshes directly with the drive pinion of the second screw shaft; the coupling shaft is designed as a torsion bar; at least one of the pinions is rotatable and lockable in position relative to its shaft; the torsion resistance of the coupling shaft and the transmission ratio between first screw shaft, coupling shaft and second screw shaft are adjusted to the torsion resistance of the section of the first screw shaft lying between the output pinion of the first screw shaft and the drive pinion of the second screw shaft such that both screw shafts are always in proper phase relation with each other.
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Blach Josef A.
Fritsch Rudolf P.
Bednarek Michael D.
Staab Lawrence J.
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