• How to Wind & Re-reel Steel Wire Ropes

    The right hand normally are used to determining right-lay wire ropes and the left hand for left lay wire ropes when standing toward the drum. The clenched fingers represent the drum and the extended finger stands for the oncoming rope. Many crane models also have two sided grooved drums for winding wire ropes as shown in the picture.

  • New wire rope designs for multi layer drums - Casar

    New wire rope designs for multi layer drums by Dipl.- Ing. Roland Verreet The steel wire rope of a properly designed and maintained crane should have a reasonably long service life and one day be discarded because of fatigue, the wire rope equivalent of old age.

  • Sheaves and Drums - Unirope Ltd.

    Drum Pitch for SINGLE layer minimum: 2.065 x groove radii Drum Pitch for SINGLE layer maximum: 2.18 x groove radii Drum groove depth: minimum ≥ 0.375x d for helical grooved. Hardness: As wire rope has a hardness of about 50-55RC we recommend that the hardness of sheaves and drums is at least 35 RC, better is 40-45 RC.

  • Wire Rope: Maintenance and Signs to Look Out For ...

    Feb 10, 2016· Wire Rope on a Drum. Accelerated wear occurs where the point of the rope is squeezed between the drum flange and the previous layer. Often times the slap of rope at the crossover points causes peening, martensitic embrittlement and/or wire plucking, further associated rope damage is caused when the rope crosses over from layer to layer on a drum.

  • Drums - Multiple Layers - Silver State Wire Rope

    Aug 09, 2019· Drums – Multiple Layers. Many installations are designed with requirements for winding more than one layer of wire rope on a drum. Winding multiple layers presents some further problems. The first layer should wind in a smooth, tight helix which, if the drum is grooved, is already established. The grooves allow the operator to work off the ...

  • Drum & Sheave Inspection | Assembly Specialty Products

    Proper Inspection of Drums and Sheaves Drums Inspect the flanges for wear, chips, cracks and bending. Inspect the Lebus grooving (if so equipped), visor and kicker plates for wear. Also look for rope im damage. Sheaves Examine the sheave grooves for wear and proper diameter. To check the size, contour and amount of wear, use… read more →

  • Drums - Electrolift

    Wire rope sizes listed with each, ranging from 1/4″ to 7/16″ Drums are grooved left hand or right hand; All drums include a set screw for mounting; Steel drums are available in various pitch diameters and lengths up to 93″ upon customer request; All standard drums are on …

  • Wire Rope Technical Information - Mazzella Companies

    Jan 24, 2014· Properties of Extension of Steel Wire Ropes. Phase 1: Initial or Permanent Constructional Extension. Phase 2: Elastic Extension. Phase 3: Permanent Extension. Thermal Expansion and Contraction. Pressures Between Ropes and Sheaves or Drums. Hardness of Rope Wire. Design Factor (Minimum Rope Breaking Strength / Maximum Load on Rope)

  • Wire Rope Drums | DGCRANE

    In DGCRANE, there are mainly two type rope: Casting iron rope drum, Steel plate rope drum. (Some times, for the small diameter drum, we use the seamless steel tube). Generally speaking, the casting iron has self-lubrication property and is more comfortable for the wire rope. While, the plate rope drum is more suitable for big diameter rope drum.

  • Wire Rope Handling and Installation | Assembly Specialty ...

    Wire rope should be attached at the correct location on a flat or smooth-faced drum, so that the rope will spool evenly, with the turns lying snugly against each other in even layers. If wire rope is wound on a smooth-face drum in the wrong direction, the turns in the first layer of rope will tend to spread apart on the drum.

  • Drums, Blocks, Sheaves, and Wire Rope Terminations ...

    Jun 17, 2009· https://moxietraining.com/products/mox-off-blockwirprigtr5Cranes and their associated rigging require pre-use, monthly, quarterly, and annual inspections. Th...

  • 15 Years Wire Rope Drums Manufactruer | ZOKE CRANE

    The wire rope can be better protected owing to the material of cast iron. The material of this kind of crane drum is steel plate, Q235, Q345. It is more common than cast steel type crane drum. Welding is used in the production process of steel plate type crane drum. It is easy and convenient to produce.

  • Rope Lay Direction Versus Drum Grooving by Unirope

    Many crane models have a two sided grooved drum, one part of it is left, the other right lay grooved. Some wire ropes are more sensitive to this type of design than others; it depends on lifting height, frequency of use, and even the rope diameter as to the type of wire rope …

  • Wire Rope Drums | McMaster-Carr

    Pulleys for Wire Rope— For Lifting. Use the bore to mount these pulleys on a shaft. These pulleys are also known as sheaves. Pulleys with ball bearings and needle-roller bearings allow for easier turns than pulleys with sleeve bearings. Pulleys with open bearings …

  • Drums - Grooved & Smooth - Silver State Wire Rope

    Aug 09, 2019· Drums – Grooved Drums are the means by which power is transmitted to the rope and thence to the object to be moved. For the wire rope to pick up this power efficiently and to transmit it properly to the working end, installation must be carefully controlled. If the drum is grooved, the winding conditions should be

  • Wire Rope - Yarbrough

    drum. When selecting a wire rope for an application where bending fatigue is the principal cause of deterioration, it is important to select a rope containing small wires. In addition, one should avoid bending a rope around a sheave or drum that is smaller

  • Hoist Drum Spooling – Properly Install Wire Rope, Rarely ...

    Feb 23, 2021· Hoist Drum Spooling – Properly Install Wire Rope, Rarely. by Dennis J. O'Rourke, CSP. Published in the February Issue of Wire Rope News & Sling Technology, Denny's Crane Rigging and Notes . Wire Rope manufacturers provide essential information for rope installation. The rope must not be "reversed bent," spooled under reel tension, and ...

  • Drums - Multiple Layers - Arizona Wire Rope

    Many installations are designed with requirements for winding more than one layer of wire rope on a drum. Winding multiple layers presents some further problems. The first layer should wind in a smooth, tight helix which, if the drum is grooved, is already established. The grooves allow the operator to work off the face of the

  • Crane Wire Rope Drum_Mobile Gantry Crane, RTG crane, Boat ...

    The drum is the part used to wind the steel wire rope in the hoisting mechanism. The reel and the reel shaft, the flange-type internal gear ring, the reel hub, the bearing and the bearing seat form a reel group. When one end of the reel shaft is equipped

  • Crane hoist drum, Crane rope drum & Crane wire rope drum ...

    The wire rope crane drum, hoist drum and winch drum are widely used on types of wire rope hoists, winches, and various types of overhead travelling crane, gantry crane, jib cranes and other lifting and towing mechanism, etc. Types of crane wire rope drums. According to the applications, the wire rope drums can be grouped in hoist drum, winch ...

  • How to Wind & Re-reel Steel Wire Ropes

    The right hand normally are used to determining right-lay wire ropes and the left hand for left lay wire ropes when standing toward the drum. The clenched fingers represent the drum and the extended finger stands for the oncoming rope. Many crane models also have two sided grooved drums for winding wire ropes as shown in the picture.

  • New wire rope designs for multi layer drums - Casar

    New wire rope designs for multi layer drums by Dipl.- Ing. Roland Verreet The steel wire rope of a properly designed and maintained crane should have a reasonably long service life and one day be discarded because of fatigue, the wire rope equivalent of old age.

  • Sheaves and Drums - Unirope Ltd.

    Drum Pitch for SINGLE layer minimum: 2.065 x groove radii Drum Pitch for SINGLE layer maximum: 2.18 x groove radii Drum groove depth: minimum ≥ 0.375x d for helical grooved. Hardness: As wire rope has a hardness of about 50-55RC we recommend that the hardness of sheaves and drums is at least 35 RC, better is 40-45 RC.

  • Wire Rope: Maintenance and Signs to Look Out For ...

    Feb 10, 2016· Wire Rope on a Drum. Accelerated wear occurs where the point of the rope is squeezed between the drum flange and the previous layer. Often times the slap of rope at the crossover points causes peening, martensitic embrittlement and/or wire plucking, further associated rope damage is caused when the rope crosses over from layer to layer on a drum.

  • Drums - Multiple Layers - Silver State Wire Rope

    Aug 09, 2019· Drums – Multiple Layers. Many installations are designed with requirements for winding more than one layer of wire rope on a drum. Winding multiple layers presents some further problems. The first layer should wind in a smooth, tight helix which, if the drum is grooved, is already established. The grooves allow the operator to work off the ...

  • Drum & Sheave Inspection | Assembly Specialty Products

    Proper Inspection of Drums and Sheaves Drums Inspect the flanges for wear, chips, cracks and bending. Inspect the Lebus grooving (if so equipped), visor and kicker plates for wear. Also look for rope im damage. Sheaves Examine the sheave grooves for wear and proper diameter. To check the size, contour and amount of wear, use… read more →

  • Drums - Electrolift

    Wire rope sizes listed with each, ranging from 1/4″ to 7/16″ Drums are grooved left hand or right hand; All drums include a set screw for mounting; Steel drums are available in various pitch diameters and lengths up to 93″ upon customer request; All standard drums are on …

  • Wire Rope Technical Information - Mazzella Companies

    Jan 24, 2014· Properties of Extension of Steel Wire Ropes. Phase 1: Initial or Permanent Constructional Extension. Phase 2: Elastic Extension. Phase 3: Permanent Extension. Thermal Expansion and Contraction. Pressures Between Ropes and Sheaves or Drums. Hardness of Rope Wire. Design Factor (Minimum Rope Breaking Strength / Maximum Load on Rope)

  • Wire Rope Drums | DGCRANE

    In DGCRANE, there are mainly two type rope: Casting iron rope drum, Steel plate rope drum. (Some times, for the small diameter drum, we use the seamless steel tube). Generally speaking, the casting iron has self-lubrication property and is more comfortable for the wire rope. While, the plate rope drum is more suitable for big diameter rope drum.

  • Wire Rope Handling and Installation | Assembly Specialty ...

    Wire rope should be attached at the correct location on a flat or smooth-faced drum, so that the rope will spool evenly, with the turns lying snugly against each other in even layers. If wire rope is wound on a smooth-face drum in the wrong direction, the turns in the first layer of rope will tend to spread apart on the drum.

  • Drums, Blocks, Sheaves, and Wire Rope Terminations ...

    Jun 17, 2009· https://moxietraining.com/products/mox-off-blockwirprigtr5Cranes and their associated rigging require pre-use, monthly, quarterly, and annual inspections. Th...

  • 15 Years Wire Rope Drums Manufactruer | ZOKE CRANE

    The wire rope can be better protected owing to the material of cast iron. The material of this kind of crane drum is steel plate, Q235, Q345. It is more common than cast steel type crane drum. Welding is used in the production process of steel plate type crane drum. It is easy and convenient to produce.

  • Rope Lay Direction Versus Drum Grooving by Unirope

    Many crane models have a two sided grooved drum, one part of it is left, the other right lay grooved. Some wire ropes are more sensitive to this type of design than others; it depends on lifting height, frequency of use, and even the rope diameter as to the type of wire rope …

  • Wire Rope Drums | McMaster-Carr

    Pulleys for Wire Rope— For Lifting. Use the bore to mount these pulleys on a shaft. These pulleys are also known as sheaves. Pulleys with ball bearings and needle-roller bearings allow for easier turns than pulleys with sleeve bearings. Pulleys with open bearings …

  • Drums - Grooved & Smooth - Silver State Wire Rope

    Aug 09, 2019· Drums – Grooved Drums are the means by which power is transmitted to the rope and thence to the object to be moved. For the wire rope to pick up this power efficiently and to transmit it properly to the working end, installation must be carefully controlled. If the drum is grooved, the winding conditions should be

  • Wire Rope - Yarbrough

    drum. When selecting a wire rope for an application where bending fatigue is the principal cause of deterioration, it is important to select a rope containing small wires. In addition, one should avoid bending a rope around a sheave or drum that is smaller

  • Hoist Drum Spooling – Properly Install Wire Rope, Rarely ...

    Feb 23, 2021· Hoist Drum Spooling – Properly Install Wire Rope, Rarely. by Dennis J. O'Rourke, CSP. Published in the February Issue of Wire Rope News & Sling Technology, Denny's Crane Rigging and Notes . Wire Rope manufacturers provide essential information for rope installation. The rope must not be "reversed bent," spooled under reel tension, and ...

  • Drums - Multiple Layers - Arizona Wire Rope

    Many installations are designed with requirements for winding more than one layer of wire rope on a drum. Winding multiple layers presents some further problems. The first layer should wind in a smooth, tight helix which, if the drum is grooved, is already established. The grooves allow the operator to work off the face of the

  • Crane Wire Rope Drum_Mobile Gantry Crane, RTG crane, Boat ...

    The drum is the part used to wind the steel wire rope in the hoisting mechanism. The reel and the reel shaft, the flange-type internal gear ring, the reel hub, the bearing and the bearing seat form a reel group. When one end of the reel shaft is equipped

  • Crane hoist drum, Crane rope drum & Crane wire rope drum ...

    The wire rope crane drum, hoist drum and winch drum are widely used on types of wire rope hoists, winches, and various types of overhead travelling crane, gantry crane, jib cranes and other lifting and towing mechanism, etc. Types of crane wire rope drums. According to the applications, the wire rope drums can be grouped in hoist drum, winch ...