BAND SAW MACHINE CAPABLE OF REGULATING BAND-SAW TENSION
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United States of America Patent
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Issued Date -
Jan 29, 2015
app pub date -
Jul 26, 2013
filing date -
Jul 26, 2013
priority date (Note) -
Abandoned
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Abstract
A band saw machine includes a working bench, a driving wheel mounted to the working bench, a driven wheel mounted to the working bench, and a band saw running on the driving and driven wheels. A storage member and a hydraulic cylinder connected with the storage member are mounted to the working bench. The hydraulic cylinder includes a piston rod for pushing against the driven wheel to make the driven wheel tighten the band saw while moving relative to the driving wheel. A force sensor is mounted between the piston rod and the driven wheel for sensing the tension of the band saw and emitting a sensing signal to a control system. In this way, the control system can receive the sensing signal and controllably making the storage member supply oil to the cylinder body according to the sensing signal to force the piston rod to elongate.
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