Brookfield DV-III Ultra Rheometer Manual do Utilizador descarregar pdf (Página 113)

Brookeld Engineering Laboratories, Inc. Page 113 Manual No. M/98-211-B0104

Brookeld Engineering Laboratories, Inc. Page 113 Manual No. M98-211-E0912

Where:

= Angular distance of motor shaft (rad)

w = Rotational speed (rpm)

t = time of test (seconds)

cal

x (2

) x 0.01

Where:

S = Radial spring factor (rad/%torque)

cal

= Spring windup angle (revolutions)

cal

)

60000

Where:

cal

= Spring windup angle (revolutions)

cal

= Calibration speed (xed at 0.1 rpm) (rpm)

cal

= Calibration time (milliseconds)

(time for 0% to 100% spring wind up)

cal

x 100

cal

Where:

cal

= Calibration time (milliseconds)

(time for 0% to 100% spring windup

during calibration)

bi = Base increment (milliseconds)

cal

= base increment calibration torque (%torque/base increment)

V = Speed (rpm)

cal

= Calibration speed (rpm)

(xed at 0.1 rpm)

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Brookfield DV-III Ultra Rheometer Manual do Utilizador Página 113