KP-09 ultra-polymer sheave wheel insert

The hoisting Sheave inserts is mainly to prevent the wear between hoisting sheave and wire rope due to direct contact with each other. The hoisting Sheave inserts plays a very important role in protect the service life of wire rope. The wire rope may cause rotation during the operation. If the friction coefficient is too high, the rotation of the wire rope will be hindered to cause the damage to the wire rope. For this situation, the wire rope must be led into the shaft by resistance as small as possible to reduce the torque and rotation stress.

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Insert for sheave wheel

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For the above requirements, our company carried out a number of experiments and finally selected a new material - KP-09 ultra-high polymer. It has superior performance, greatly reducing the damage to the rope and effectively extending the service life of wire rope. It is the most ideal choice for the hoisting sheave pad. Our company can produce products with different shapes and different specifications according to user requirements, and can maintain the excellent performance of ultra-high molecular materials.

Performance parameters of KP-09 ultra-high polymer hoisting sheave pad

Item	Value	Unit	Test standard
Density	0.95-1.08	g/cm3	GBI033
Tensile strength	36	Mpa	GBI040
Breaking elongation	300	%	GBI040F
Impact strength	196	KJ/M2	GBI043
Ball indentation hardness	38	N/mm2	GB3398
Friction coefficient
Self-lubricating	0.10-0.22
Watering	0.05-0.10
Oiling	0.05-0.08
Wear	1.3	Mg	GB3960
Expansion coefficient	＜2*10-4	K-1
Thermal deformation temperature 0.45Mpa	93	℃	GBI634
Melting point	136	℃	D2117
Vicat softening point	134	℃	D1525
Brittleness temperature	—70	℃

1. Excellent wear resistance: the mortar wear is 1/10 of PVC, 1/7 of carbon steel, 1/27 of brass;

2. Good impact resistance; the impact strength is up to 180KJ/M2 or more;

3. Good self-lubricating; the friction coefficient is only about 0.10;

4. Ultra-high tensile strength, 35Mpa or more;

5. Good corrosion resistance, water resistance; it can maintain good stability and excellent low temperature performance in a variety of organic and inorganic media; and hygiene and non-toxic.

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Sheave inserts

KP-09 ultra-polymer sheave wheel insert

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