Wire Rope Reeving 5 To 4 Part Block Diagrams

Reeving elfects headroom litting speed and capacity by increasing the hoist s mechanical advantage.

Wire rope reeving 5 to 4 part block diagrams. 5 1 right angle reeving to swivel base. You should also consider fatigue factors that affect wire rope life. Beeving also determines if the hoist has lateral hook movement or true vertical lift. Method of reeving tackle blocks vary with the application and purpose for which they are to be employed.

Factor for wire rope to determine the minimum catalog wire rope breaking strength. C series operator manual 2 5 chapter 2. Reeving refers to the configuration of the wire rope blocks and drum of the hoist. The length of wire rope used for anchor wraps must be added to the total travel distance to deter mine the length of the wire rope needed for the application.

A length of anchor wraps in feet. 6 1 right angle reeving dead end on cam. This continues to the last sheave. 6 1 right angle reeving dead end on becket.

To the top crane reeving the three sheave block with six parts of line so we can lift a 79 000 lb anhydrous ammonia tank. The three terms used in reeving arc single double and. Where blocks with 4 sheves or more are required in which case a number of lead blocks have to be considered. These inspections will include the wire rope drum blocks sheaves rollers and other rigging hardware that may come into contact with the wire rope and subject it to wear.

What is the speed of the line. 8 1 40 mm 57 mm 75 mm carbo. 5 1 right angle reeving dead end on becket. Quick reeve load block wire rope installation.

Six parts of line give this crane a total line pull of 100 500 lbs. The end of the rope is fed through the outside sheave of the upper block to the outside sheave of the lower traveling block. The first 3 to 4 wraps of wire rope must remain on the drum at all times to act as anchor wraps and help secure the wire rope to the drum. Construction a typical wire rope reeving system consists of a grooved cable drum two pulleys mounted on a hoist and three more on a main beam so the rope can be reeved into a six part form supported at a hoist.

Especially on heavy lift cargo booms cranes etc. Rigging reeving reeving diagrams for the load line are shown in figures 2 4 and 2 5. Wire rope is designed to cope with hostile environments. See sheave size wire rope strength.

Consult a wire rope catalog for the corresponding grade and diameter of wire rope to match. Has no reverse bends. 1 part 2 part 3 part 4 part figure 2 4 load line reeving š three sheave boom point figure 2 5 load line reeving š five sheave boom point.