common problem
Q
What kind of lubricant can prevent wire rope damage?
A
First, the smooth oil has good fluidity and soaking ability, allowing it to quickly enter the inside of the rope and the rope core when the wire rope is smooth pretreated, and can play a role in preventing bacteria from multiplying inside the rope core fibers.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Q
What are the classifications of wire ropes?
A
1, electric hoist wire rope: 6 * 37 + FC- 11/13/15/17.5
2, tower crane wire rope and multi-strand non-rotating wire rope: 6 * 19 + FC- 12/12.5, 6 * 37-13/14, 6 * 29FI + FC- 12/12.5, 4v39s + 5FC- 12/13/14, 35W * 7-12/13/14
3, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 6 * 19 + FC- 12.5/14/15.5/17/18.5/21 5/24.5/26/28, 6 * 19S + FC- 12.5/14/15.5/17/18.5/21 5/24.5
8, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 6 * 7 + FC-/2/3/4
6 * 19 + FC-5/6/7 7/9.3/11, 6 * 12 + 7FC-5/6/7. 7/9.3/11, 7 * 19-5/6/8/10, 19 * 7-4/5/6/8/10, 6 * 37 + FC-8.7/9 3/11/13/15/17.5/19.5
12. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
2, tower crane wire rope and multi-strand non-rotating wire rope: 6 * 19 + FC- 12/12.5, 6 * 37-13/14, 6 * 29FI + FC- 12/12.5, 4v39s + 5FC- 12/13/14, 35W * 7-12/13/14
3, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 6 * 19 + FC- 12.5/14/15.5/17/18.5/21 5/24.5/26/28, 6 * 19S + FC- 12.5/14/15.5/17/18.5/21 5/24.5
8, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 6 * 7 + FC-/2/3/4
6 * 19 + FC-5/6/7 7/9.3/11, 6 * 12 + 7FC-5/6/7. 7/9.3/11, 7 * 19-5/6/8/10, 19 * 7-4/5/6/8/10, 6 * 37 + FC-8.7/9 3/11/13/15/17.5/19.5
12. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
Q
How to maintain, maintain and inspect the wire rope?
A
(1) The running wire rope should operate at a stable speed during operation, and should not exceed the load to avoid impact loads.
(2) Maintenance The wire rope has been coated with enough grease during manufacturing, but after operation, the grease will gradually decrease, and the surface of the wire rope will contain dust, debris and other dirt, causing wear and tear of the wire rope and rope wheel and rust of the wire rope. Therefore, it should be cleaned and refueled regularly.
The easiest way is to use a wire brush and other corresponding tools to wipe off the dust and other dirt on the surface of the wire rope, apply the heated and melted wire rope surface grease evenly on the surface of the wire rope, or spray No. 30 or No. 40 oil on the surface of the wire rope, but do not spray too much and pollute the environment.
(3) Inspection records The use of wire ropes must be checked and recorded regularly. In addition to the above-mentioned cleaning and refueling, regular inspections should also check the wear degree, broken wire, corrosion degree, and wear of vulnerable parts such as fishing hooks, rings, and lubricating wheel slots. If abnormal conditions are found, they must be adjusted or replaced in a timely manner.
How to install the wire rope?
(1) When uncoiling, the rope tray should be placed on the bracket, or a steel pipe can be used to penetrate the hole of the rope tray, put a rope on both ends and hoist it, and rotate the rope tray slowly;
(2) Wire rope arrangement on the drum The winding direction of the wire rope on the drum must be based on the twisting direction of the wire rope. The right twisting rope is arranged from left to right, and the left twisting rope is arranged from right to left. The winding should be arranged neatly to avoid deflection or intertwining.
(2) Maintenance The wire rope has been coated with enough grease during manufacturing, but after operation, the grease will gradually decrease, and the surface of the wire rope will contain dust, debris and other dirt, causing wear and tear of the wire rope and rope wheel and rust of the wire rope. Therefore, it should be cleaned and refueled regularly.
The easiest way is to use a wire brush and other corresponding tools to wipe off the dust and other dirt on the surface of the wire rope, apply the heated and melted wire rope surface grease evenly on the surface of the wire rope, or spray No. 30 or No. 40 oil on the surface of the wire rope, but do not spray too much and pollute the environment.
(3) Inspection records The use of wire ropes must be checked and recorded regularly. In addition to the above-mentioned cleaning and refueling, regular inspections should also check the wear degree, broken wire, corrosion degree, and wear of vulnerable parts such as fishing hooks, rings, and lubricating wheel slots. If abnormal conditions are found, they must be adjusted or replaced in a timely manner.
How to install the wire rope?
(1) When uncoiling, the rope tray should be placed on the bracket, or a steel pipe can be used to penetrate the hole of the rope tray, put a rope on both ends and hoist it, and rotate the rope tray slowly;
(2) Wire rope arrangement on the drum The winding direction of the wire rope on the drum must be based on the twisting direction of the wire rope. The right twisting rope is arranged from left to right, and the left twisting rope is arranged from right to left. The winding should be arranged neatly to avoid deflection or intertwining.
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