Description
359-9732: Insulated Wear Sleeve
| 359-9732: Insulated Wear Sleeve |
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CAT 359-9732 is a Caterpillar insulating abrasion-resistant sleeve, suitable for shaft ends/terminals of high-voltage motors, generators, or hybrid power equipment. It provides both electrical insulation and abrasion protection. Key information is as follows:
Key Parameters
Item Details
Type: Composite insulating abrasion-resistant sleeve with an inner insulation layer + outer abrasion-resistant layer structure, suitable for rotating shafts/fixed terminals, used for current isolation and reducing mechanical wear.
Dimensions (Metric/Imperial): Inner diameter 45.00mm (1.772 inches), outer diameter 60.00mm (2.362 inches), length 80.00mm (3.150 inches), weight approx. 0.28kg (0.62 lbs)
Materials: Inner layer is epoxy resin fiberglass cloth (insulation class F, temperature resistance 155℃, breakdown voltage ≥10kV/mm), outer layer is tungsten carbide sprayed abrasion-resistant layer (hardness HRC70-75), with stainless steel retaining rings at both ends to prevent detachment.
Insulation Performance Volume resistivity ≥10¹²Ω・cm, dielectric constant 3.8-4.2, capable of isolating 3-10kV AC voltage, suitable for the insulation requirements of high-voltage equipment.
Abrasion resistance: Outer wear-resistant layer friction coefficient ≤0.15, wear rate ≤0.02mm³/(N・m), suitable for shaft end rotational friction and slight impact conditions.
Suitable scenarios: Suitable for rotor shaft end insulation support of Cat C175-16 and 3516B high-voltage generators, and terminal protection of 994K loader hybrid drive motors, used to prevent shaft current corrosion of bearings and reduce mechanical wear between shaft and bearing housing.
Suitable for replacement during equipment electrical system maintenance when insulation layer is damaged, wear-resistant layer peels off, or retaining rings are loose, ensuring electrical safety and mechanical stability under high-voltage conditions.
Performance characteristics: The composite structure combines electrical insulation and mechanical wear resistance, simultaneously solving shaft current and mechanical wear problems in high-voltage equipment, extending the life of shafts and bearings.
The epoxy resin glass cloth insulation layer has good temperature resistance, adapting to the temperature rise during equipment operation. The tungsten carbide outer layer has excellent wear resistance, making it suitable for dusty and vibrating industrial conditions.
The stainless steel retaining ring design prevents axial movement of the sleeve, eliminating the need for additional fixing after installation, simplifying maintenance, and reducing downtime.
