Extrusion, conveyance and cutting system

Details Extrusion, conveyance and cutting system Extrusion, conveyance and cutting system

C - Chemistry, Metallurgy

06

B

205/10

C06B 21/00 (2006.01) B23D 36/00 (2006.01) B26D 5/34 (2006.01)

Patent

CA 1247050

EXTRUSION, CONVEYANCE, AND CUTTING SYSTEM Abstract of the Disclosure An apparatus that extrudes, conveys and cuts a pro- pellant strand into precise lengths independent of strand velocity is disclosed. Cutting of the strand is accomplished by a microprocessor-controlled cutter having a blade mounted on a shaft which in one revolution cuts the strand. The shaft is activated after passage of the strand end past a pair of downstream optical sensors; compensation is made for strand velocity by having cutting activation take place in the same amount of time after the strand end reaches the second sensor, less cutter delay, as it takes the strand end to move between the first and second sensors.

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