4.2.4 Cylinder speedsThe iiecessity to determine cylinder performance within a system can be very critical tothe production rate of a machine. However, in many instances an effective approximationis sufficiently accurate for all practical purposes, especically if the acmal performance issuperior to the approximation.Let us now consider a double-acting, single-rod cushioned cylinder controlled bya symmetrical 5-port, 2-position direction control valve (Fig.4.19 ) , with the followingnomenclamre:
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