Driving assembly for ring spinning or twisting machine
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United States of America Patent
Stats
-
Jun 29, 1982
Grant Date -
N/A
app pub date -
Mar 24, 1980
filing date -
Mar 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An assembly of motors designed to drive a ring rail, a bank of spindles and a plurality of draw or delivery rollers in a ring spinning or twisting machine is supplied with three-phase current of a frequency determined by the settings of digitally adjustable frequency selectors independently controlling respective solid state frequency-inverters assigned to the several motors or groups of motors. The selectors include frequency dividers in the output of a common and preferably also adjustable source of timing signals which may be a free-running oscillator or a pulse generator driven by one of the motors acting as a master.
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