(57) The invention provides a circular knitting machine, in particular a single or double
cylinder hose knitting machine, wherein various operations, such as the advancement
of the main drum (2), speed changing, needle selection, movement of the stitch-adjusting
unit (3), etc. are controlled by an electronic programming unit instead of the traditional
main chain. The electronic programming unit programmingly controls a series of electro-mechanical
transducers, preferably solenoid valves and pneumatic or hydraulic cylinders (12,
23), which determine the required movements of the machine operational members (2,
3). The programming unit is operative at each revolution of the machine to receive
drive pulses from a revolution transducer. A considerable constructional simplification
and adaptability of the machine to different knitting programs is thus achieved.
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