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Hartai Technology Industry Co., Ltd.

Wire Jump Preventer, Ceramic Wire Jump Pulley, Ceramic Roller Guide manufacturer / supplier in China, offering Wire Guides for Textile and Coil Winding Machine (Ceramic Pulley), New High Quality Wireless Charging 10000mAh Power Bank, Factory Direct Supply, 3 Coils Wireless Charger for HTC/Blackberry and so on.

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Supplier Homepage Product Wire Jump Preventer Wire Guides for Textile and Coil Winding Machine (Ceramic Pulley)

Wire Guides for Textile and Coil Winding Machine (Ceramic Pulley)

FOB Price: US $3-3.5 / Piece
Min. Order: 20 Pieces
Min. Order FOB Price
20 Pieces US $3-3.5/ Piece
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Production Capacity: 100000/Month
Transport Package: 1PCS/Bag
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: SN001
  • Material: 99%Al2O3 with Steel Ball
  • Polish: Fine Polish Degree Ra0.2
  • Size: Requested
  • Export Markets: Global
  • Sample: Available
  • Specification: ISO
  • HS Code: 8479899960
  • Type: Tensioner Parts
  • Application: Prevent The Wire Jumping out
  • Feature: Precise Polishing and High-Speed Bearing
  • Bearing: High Speeding Bearing
  • Weight: 14G
  • Trademark: HARTAI
  • Origin: Dongguan, Guangdong
Product Description
Wire Guides SN001 for Yarn, Textile, Coil Winding Machine (Caged Ceramic Pulley)


1. The wire jump preventer comprises a rotating wheel, a bearing, a casing, fixing parts and wire jump preventing protecting pieces.

2. The rotating wheel is arranged in the casing, the wire jump preventing protecting pieces are arranged on the upper surface and the lower surface of the casing, the casing and the wire jump preventing protecting pieces are integrally fixed through the fixing parts, the bearing is arranged at the center of the rotating wheel, and the rotating wheel and the wire jump preventing protecting pieces are made of silicon carbide.

3. The wire jump preventer is simple in structure, convenient to use and high in efficiency, faults cannot occur easily in the running process, and the wire jump preventer is good in durability.


1. The precision ceramics circle inside has an ultra-fine polishing degree Ra0.2.

2. There is a hign-speed bearing in this porcelain circle which can control the sliding distance between enameled wire and the circle under 0.2mm.

3. Protect the film and assure the beating of the enameled wire in a very small scope to stabilized the tension.


1. As per the demands of the market and of our valuable clients, we offer high quality range of Wire Jump Preventer. This preventer is used for a radical change of direction and adequate guidance and also prevent the wire jumping during winding process.

2. Moreover, our preventers are popular in the market for easy installation, low maintenance cost, robust construction and longer service life.

3. Further, these are designed using the utmost quality basic material and latest technology in compliance with the international quality standards.

Customized design is welcomed.

Name Unit Slim    
Material   Al2O3 95%-97% Al2O3 99% Al2O3 99.7%
Density g/cm3 3.7 3.85 3.9
Flexural Strength Mpa 300 340 390
Compressive Strength Mpa 3400 3600 3900
Modulus of Elasticity Gpa 350 380 390
Impact  Resistance Mpa m 1/2 4.0 5 5.2
Waybill Modulus m 10.0 10 12
Vickers  Hardness HV0.5 1800.0 1900 2000
Thermal Expansion Coefficient 10 -6 K -1 5.0-8.3 5.4-8.3 5.5-8.4
Thermal Conductivity W/mK 24 27 28
Thermal Resistance T°C 250 270 280
Maximum Use Temperature °C 1600 1650 1700
Volume Resistivity at 20°C Ω ≥10 14 ≥10 14 ≥10 15
Dielectric Constant KV/mm 20 25 30
Open Porosity % 0 0 0
Dielectric Constant ξr 10 10 10
Dielectric Loss Angle Tanσ 0.001 0.  

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