Winding Machine Textile Machine Parts Cable Wire Jump Preventer Ceramic Pulley

• Material: Ceramic
• Surface Treatment: Polishing
• Application: Wire Guide
• Model NO.: oho74
• Export Market: Global
• Size: Request
• Item: Caged Wire Jump Preventer
• Type: Turning Tool
• Machine Type: Wire Drawing Machine
• Brand Name: Hartai
• Delivery Date: 2-3days
• Port: Shenzhen
• Shipping: by Sea or Air
• Transport Package: Request
• Specification: ce
• Trademark: hartai
• Origin: Shenzhen
• HS Code: 9001100001
• Production Capacity: 50000

Product Description

Textile Machine Parts: Jump wire preventer part/caged wire jump preventer/caged ceramic pulley

Specifications

Wire Jump Preventer is to prevent the wire jumping out from it is route.
The precision ceramics circle inside has an ultra-fine polishing degree Ra0.2.

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

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

Related products 








Packing and shipping