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download handbook of fibre rope technology pdf

ROPE USER’S MANUAL
Guide to Rope Selection, Handling,
Inspection and Retirement
SamsonRope.com
WARNING STATEMENT
THE IMPROPER USE OF ROPE MAY BE DANGEROUS.
Rope WILL FAIL if worn-out, overloaded, misused, damaged or improperly maintained or abused.
Rope failure may cause death, serious injury, or property damage.
PROTECT YOURSELF AND OTHERS:
BE ADVISED:
> ALWAYS INSPECT rope for WEAR, DAMAGE, or ABUSE.
> NEVER USE rope that is WORN-OUT, DAMAGED, or ABUSED.
> Ropes are used for a variety of personal and commercial applications.
To minimize the risks associated with product misuse, obtain the
appropriate training for the specific application before using the rope.
> Use the right size and rope construction for the intended application.
> Never stand in line with or in the general path of rope under tension
to avoid the risk of injury caused by recoil.
> Avoid rope contact with abrasive surfaces.
> Do not overload rope, shock load rope, or bend rope over
sharp corners.
> Check temperature rating of rope product before using rope
in hot environments.
Samson provides the information and instructions set forth
herein regarding rope use, inspection and retirement as
general guidance. User is responsible to comply with industry/
application safety standards, best practices, and/or employer
policies regarding the use of rope. Further, a wide range of
factors potentially affect product performance. Accordingly,
user must obtain the appropriate training for the specific
application before using the rope.
> If in doubt about the condition of the rope, retire it.
SAMSON’S MOST CURRENT CONTENT REGARDING ROPE
USE, INSPECTION, AND RETIREMENT CAN BE FOUND
AT SamsonRope.com. THE INFORMATION FOUND AT
SamsonRope.com MAY SUPERSEDE THE INFORMATION
IN THIS AND PREVIOUS PRINTED MATERIALS.
ABOUT SAMSON
For over 130 years, Samson has been recognized as a
worldwide leader in the development and manufacture
of high-performance ropes. Among its many innovations,
Samson invented the double braid and pioneered the first
high modulus polyethylene fiber ropes. Today, Samson
engineers continue to pioneer the use of new fiber technology
and the development of innovative coatings and constructions
to produce ropes with unprecedented performance
characteristics. Samson’s research and development team
is meeting an ever-expanding market need for products with
exceptional performance in critical applications.
A ROPE SELECTION
Strength ............................................ 5
Working Loads & Safety Factor........... 6
Elongation.......................................... 7
Diameter and Weight.......................... 8
Dynamic Loading................................ 8
Firmness, Construction,
and Abrasion .................................... 10
Rope Class ....................................... 10
B TECHNICAL INFO
Elastic Elongation............................. 12
Components of Stretch......................14
Fiber Elongation at Break.................. 15
Comparison of Fiber
Characteristics.................................. 16
Published Strengths & Testing........... 17
Testing and Certifications.................. 18
C ROPE HANDLING
Danger to Personnel......................... 21
Installation Considerations................ 22
Attaching Line to a Winch Drum........ 23
Tensioning Winch Lines..................... 24
Winding onto a Winch....................... 26
Rope Capacity of a Winch Drum........ 28
Use of Slings with Winch Lines.......... 29
End-for-Ending................................. 29
Sharp Cutting Edges and
Abrasive Surfaces............................. 29
Minimize Twist in the Line................. 30
Temperature..................................... 31
Terminations (Splices/Knots)............. 32
Joining Two Ropes............................ 33
Strength Degradation from UV Light..... 34
Storage............................................. 34
Avoid Chemical Exposure.................. 35
Removing Rope from a Reel/Coil....... 36
Coiling, Flaking, and Bagging............ 37
Bending Radius................................. 38
Sheave Recommendations................ 39
D ROPE INSPECTION
& RETIREMENT
Visual Inspection............................... 40
Single Braid Quick Reference............ 46
Double Braid Quick Reference........... 50
SamsonRope.com
TA B L E O F C O N T E N T S
SECTION A: R O P E S E L E C T I O N
A
B
C
D