Прецизионный 99 # Алюминиевый Твердый керамический

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SENGUANG Precision 99# Aluminum Solid Ceramic Roller.


 


 


Specifications


Alumina textile ceramic guide part
High corrosion resistance
Surface roughness: Ra 0.2-1
Strong corrosion resistance QA


 


 


 029032023025021024


alumina textile ceramic guide part


Alumina Textile ceramic parts ,industrial textile ceramic , textile ceramic part ,ceramic wire, ceramic thread guide


 


 


1) Material:
a) 95% Al2O3   b) 99% Al2O3   c) 99.5% Al2O3
2) Other materials available upon request
3) Tolerance: according DIN ISO 2768-1
4) Surface roughness: 1-0.1μm
5) Vickers hardness: 1,8002,000
6) Special types available according to customer's drawings or samples


 


Properties: 
1) Wear resistant
2) Corrosion resistant
3) Heat resistant
4) Stable dimensions
5) Lightweight
6) Long performance life


 




































































































































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 m1/2



4.0



5



5.2



Waybill Modulus



m



10.0



10



12



Vickers  Hardness



HV0.5



1800.0



1900



2000



Thermal Expansion Coefficient



10-6K-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



≥1014



≥1014



≥1015



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.



 



 


 


Ceramics Processing


 
Textile industry applications: 
1) Spinning frame
2) Pneumatic spinning machine
3) Two for one twisters
4) Winding machine
5) Doubling wider
6) Twisting frame
7) Rapier weaving machine
8) Gripper loom
9) Weaving machine
10) Air-jet loom
11) Water spray loom
12) Crochet gallon machine
13) Assorted warping machine
14) Circular weaving machine
15) Hosiery machine


16) Covering-yarn machine
17) Draw texturing machine
18) Circular

Available products: 
1) Tube guide
2) Special tube guide
3) Post guide
4) Special post guide
5) Grooved guide
6) Special guide
7) Traverse guide
8) Saddle guide
9) Slit guide
10) Traverse slit guide
11) Tension disc
12) Ear guide
13) Pigtail guide
14) Lock guide
15) Eyelet
16) Grooved eyelet
17) Slotted eyelet
18) Special eyelet
19) Bowl guide
20) Roller guide


 


Textile  Ceramic wire guide pulleys (ceramic roller) is used on coil winding machine for enamel insulated wire or silk thread appropriate amount guiding, the china circle makes from precise ceramics, the surface smoothness that the china marks with a circle reaches Ra 0.2, moves up and down when rotating being smaller than 0.15 , material selects and uses 99%'s AL2O3 , hardness HRa 88, density 3.85.


 


 


 


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