Motion | Flexible Braided Hoses
4. Radial Motion This type of motion occurs when the center line of a hose assembly is bent in a circular arc. In industrial applications, radial motion is most commonly found in traveling loops .
Traveling Loops
Traveling Loops
For Short Horizontal Travel
For Maximum Vertical Travel
TRAVEL
2R
T
T 2
T 2 T 2
K
L = 4R +
K
K 1
K 2
R
K = 1.43R +
R
2R
L = 4R + 1.57T K 1 = 1.43R ÷ .785T
For Maximum Horizontal Travel
T 2
K 2 = 1.43R +
X
TRAVEL
T 2
T 2
2R
R
K
SUPPORT
T = Total travel (inches) R = C L bend radius (inches) L = Hose live length (inches) K = Loop length (inches)
5. Random Motion Non-predictable motion that occurs from manual handling of an assembly. Loading and unloading hose would generally fall into this category. Abusive handling of hose is an important factor to consider in applications involving random motions. The use of an interlocked guard over the corrugated hose is recommended to protect the hose assembly from rough handling and “over-bending” adjacent to the fittings.
Random Motion
The hose length is dependent on the confines of areas and distance to be covered.
Bulletin 8773 Page 10
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