R Series Rotary Actuator - Numatics Motion Control - (Version JPG) - Page n° 9 - PDF Catalogue | Technical Documentation

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R Series Rotary Actuator

Size and Selection Example

Point load application

W=5 lb. load

r=12 inch arm length

Want to use 1 1/2 bore rotary actuator

Need to rotate 180 degrees in 2 seconds

Should I use bumpers, cushions, shocks,

or none of these?

From Catalog:

Point Load

A Al

J = ™xr²

go = 0.035 x

Angle traveled (PEG)

Rotation time (SEC)|

180 PEG

2 SEC I

cd = 0.035 x

3.15

SEC

J = - xr²

j =5 LB tJPÇ^-t x IN²386.4 IN

J = 1.86 IN-LB-SEC²

KE = 1/2 Jco²

Maximum Kinetic Energy Rating

for Models Based on Configuration (in-lb)

KE = -


BORE	STANDARD	STROKE ADJUSTERS	CUSHIONS	SHOCK ABSORBERS (PER CYCLE/PER HR.)
1"	0.50	0.50	5	150/300,000
1 1/2"	2.00	2.00	20	225/400,000
2"	4.00	4.00	40	600/600,000
2 1/2"	7.00	7.00	70	600/600,000
3 1/4"	15.00	15.00	150	N/A

x1.86 IN-LB-SEC² x

Vsec;

KE = 9.23 IN-LB

Looking at Kinetic Energy Rating Chart: Maximum KE=20 IN-LBS for a 1 1/2" bore rotary with cushions Therefore, application requires cushions.

Information subject to change without notice. For ordering information or regarding your local sales office visit www.numatics.com.