Double-draft wire drawing and collection machine with tension-sensitive speed control
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United States of America Patent
Stats
-
Apr 17, 2001
Grant Date -
N/A
app pub date -
Oct 5, 1999
filing date -
Oct 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A double-draft continuous wire drawing and collection machine having first and second reduction dies for drawing wire in succession. A rotary advancing block driven by a variable-speed first motor draws wire rod through the first reduction die, and a rotary flyer mechanism driven by a second motor draws wire through the second reduction die as it coils wire on a stationary block. A tension control arm and rheostat regulate the speed of the first motor based on wire tension differentials detected between the rotary advancing block and the second reduction die, in order to maintain constant wire tension in that wire segment.
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