Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1979-08-07
1981-06-09
Staab, Lawrence J.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
408129, 409156, F16H 2102, F16H 2152
Patent
active
042717108
ABSTRACT:
A machine tool feed system of the type in which a tool supporting sliding carriage is moved toward and away from a workpiece which includes a mechanism for moving the carriage initially in a smoothly accelerated-decelerated rapid advance stroke toward the work and further moving the carriage in the same direction through a predetermined work stroke in a slower feed motion while the tool operates on the work. The mechanism thereafter retracts the tool carriage away from the work in a smoothly accelerated-decelerated rapid return stroke equal in distance to the feed stroke added to the rapid advance stroke. Mechanisms are provided for a first drive for the rapid advance stroke and a second drive for the work stroke, with interconnection with the tool carriage which unlock a portion of the first drive mechanism while initiating the second drive for the work stroke, and regenerating or relocking the interconnectionn during the composite rapid return stroke.
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patent: 3127790 (1964-04-01), Howey
patent: 3213711 (1965-10-01), Van den Kieboom
patent: 3625073 (1971-12-01), Dixon et al.
patent: 4115026 (1978-09-01), Billeter
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