Gold Member Since 2013
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Hartai Technology Industry Co., Ltd.

Caged Ceramic Pulley, Wire Jump Preventer, Wire Guide manufacturer / supplier in China, offering Wire Drawing Machine Wire Jump Preventer Caged 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 Drawing Machine Wire Jump Preventer Caged Ceramic Pulley

Wire Drawing Machine Wire Jump Preventer Caged Ceramic Pulley

Purchase Qty.:
10-999 1,000+
FOB Unit Price: US $3 US $1.5
Purchase Qty. (Pieces) FOB Unit Price
10-999 US $3
1,000+ US $1.5
Get Latest Price
Production Capacity: 50000
Transport Package: Request
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: oho73
  • Surface Treatment: Polishing
  • Export Market: Global
  • Type: Turning Tool
  • Brand Name: Hartai
  • Price: Factory Price
  • Shipping: by Sea or Air
  • Specification: ce
  • HS Code: 9001100001
  • Material: Ceramic
  • Application: Coil Winding Machine
  • Size: Request
  • Machine Type: Wire Drawing Machine
  • Delivery Date: 2-3days
  • Port: Shenzhen
  • Trademark: hartai
  • Origin: Shenzhen
Product Description

Wire Drawing Machine Wire Jump Preventer Caged Ceramic Pulley

Ceramic pulley (wire jump preventer) ceramic roller

Ceramic Pulley (wire jump preventer) Ceramic Roller

1.Wire Jump Preventer is to prevent the wire jumping out from it is route.
2.The precision ceramics circle Inside has an ultra-fine polishing degree Ra0.2.
3.There is a high-speed bearing in this porcelain circlewhich can control the sliding distance between enameled wire and the circle under 0.2mm.
4.Protect the film and assure the beating of the enameled wire in a very small scope to stabilized the tension.

Production Description:

1, Material: 99%AL2O3.

Hardness: HRA88.

Line roughness: Fine polishing above Ra0.2. Color: Pink.

2, Original Japanese high speed bearing.


Al2O3 95%-97%Al2O3 99%Al2O3 99.7%
Flexural StrengthMpa300340390
Compressive StrengthMpa340036003900
Modulus of ElasticityGpa350380390
Impact  ResistanceMpa m 1/24.055.2
Waybill Modulusm10.01012
Vickers  HardnessHV0.51800.019002000
Thermal Expansion Coefficient10 -6 K -15.0-8.35.4-8.35.5-8.4
Thermal ConductivityW/mK242728
Thermal ResistanceT°C250270280
Maximum Use Temperature°C160016501700
Volume Resistivity at 20°CΩ≥10 14≥10 14≥10 15
Dielectric ConstantKV/mm202530
Open Porosity%000
Dielectric Constantξr101010

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