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Annular Step-type Alumina Ceramic Flange Ring | Precision Alumina Ceramic Ring Sealing Flange
Product Introduction
This annular step-type alumina ceramic flange ring is manufactured from high-purity alumina ceramic powder through dry pressing, high-temperature sintering and multiple precision grinding processes. Adopting concentric annular stepped structure, the product is equipped with evenly distributed mounting holes on the outer ring and clamping notches on the inner ring. It features high dimensional accuracy and excellent flatness. Possessing insulation, wear resistance, high-temperature resistance and chemical stability, it is a precision annular ceramic structural part specially used for high-end equipment.
Applications
Widely applied in semiconductor equipment, vacuum chambers, new energy automation equipment, high-voltage electrical installations and plasma equipment. It serves as insulating flange, sealing gasket, positioning support ring and vacuum isolation component for assembly positioning, electrical insulation, high-temperature sealing and wear-resistant support.
Core Advantages
Excellent Insulation Performance: High dielectric strength to isolate electric current and prevent electric leakage and static interference.
High Temperature & Corrosion Resistance: Stable under long-term high temperature, resistant to acid and alkali erosion with outstanding anti-aging property.
High Dimensional Stability: Tolerance of stepped surfaces and mounting holes can reach ±0.01mm. Superior flatness ensures tight sealing performance.
High Hardness & Wear Resistance: Hard surface will not easily produce dust under repeated friction and disassembly, maintaining clean working environment.
Specification Parameters
表格
Item
Parameter
Material
99% Alumina Ceramic
Density
≥3.88g/cm³
Vickers Hardness
≥1550HV
Continuous Working Temperature
≤1600℃
Dimensional Tolerance
±0.01mm
Surface Roughness
Ra≤0.8μm
Production Process
Raw Material Mixing & Granulation → Annular Mold Forming → High-Temperature Sintering at 1680℃ → Surface Grinding → Internal & External Diameter Precision Machining → Drilling of Positioning Holes → Notch Processing → Ultrasonic Cleaning → Full Dimensional Inspection → Clean Packaging
Instructions for Use
Clean the contact surface of the flange before assembly and remove particulate impurities to guarantee sealing effect.
Tighten bolts evenly to avoid concentrated pressure on single side which may cause ceramic cracking.
Prevent sharp thermal shock to reduce thermal stress damage.
Operate in clean environment and regularly clean surface contaminants.
After-sales Service
Customization of inner & outer diameter, step height and hole layout is available based on drawings or samples, sampling service provided. All products are fully inspected before delivery with test reports supplied. Return & exchange service is available for quality defects excluding man-made damage. Professional technical support for working condition selection.
FAQ
Q: Can alumina ceramic flange ring be used in vacuum sealing environment?
A: Precisely machined ceramic surface achieves high flatness. Matched with sealing gaskets, it can meet sealing requirements for vacuum chambers.
Q: Can the quantity and diameter of mounting holes be customized?
A: We support customization of hole diameter, hole quantity, ring thickness and step structure.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.
Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.
Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
