รายละเอียดสินค้า
เงื่อนไขการชําระเงินและการจัดส่ง
Minimum Order Quantity: mutually agreed
ราคา: mutually agreed
Packaging Details: mutually agreed
Delivery Time: mutually agreed
เงื่อนไขการชำระเงิน: แอล/C,D/A
Hardness: |
8.5 to 9 Mohs |
ความหนาแน่นเป็นกลุ่ม: |
> 3.63 |
ความบริสุทธิ์สูง: |
99.5% หรือสูงกว่า |
แรงอัด: |
สูงถึง 2,000 MPa |
ความแข็งแรงของแรงดัดงอ: |
300 ถึง 400 เมกะปาสคาล |
Material: |
95%/99% Alumina Ceramic |
Density: |
≥3.85g/cm³ |
Vickers Hardness: |
≥1500HV |
Operating Temperature: |
Continuous ≤1600℃ |
ความเป็นฉนวน: |
≥15KV/มม |
Hardness: |
8.5 to 9 Mohs |
ความหนาแน่นเป็นกลุ่ม: |
> 3.63 |
ความบริสุทธิ์สูง: |
99.5% หรือสูงกว่า |
แรงอัด: |
สูงถึง 2,000 MPa |
ความแข็งแรงของแรงดัดงอ: |
300 ถึง 400 เมกะปาสคาล |
Material: |
95%/99% Alumina Ceramic |
Density: |
≥3.85g/cm³ |
Vickers Hardness: |
≥1500HV |
Operating Temperature: |
Continuous ≤1600℃ |
ความเป็นฉนวน: |
≥15KV/มม |
This step-type alumina ceramic bearing is manufactured from high-purity alumina (Al₂O₃) ceramic raw materials through high-temperature sintering and precision internal/external cylindrical grinding. Featuring a stepped cylindrical structure, it offers high inner and outer wall smoothness with excellent coaxiality. With superior wear resistance, high insulation, high-temperature resistance, and low friction, this high-performance industrial ceramic component is designed to replace traditional metal bearings in harsh working conditions including high-speed rotation, strong corrosion environments, and electrical isolation applications.
Widely used in high-speed motors, pump and valve equipment, semiconductor automation equipment, chemical conveying machinery, high-temperature furnace transmission mechanisms, and other demanding scenarios. It serves as wear-resistant bearings, insulating bushings, anti-corrosion liners, and high-temperature-resistant supports, effectively addressing common metal bearing issues such as wear, corrosion, and electrical short circuits while significantly improving equipment service life and operational stability.
| Item | Parameter |
|---|---|
| Material | 95%/99% Alumina Ceramic |
| Density | ≥3.85g/cm³ |
| Vickers Hardness | ≥1500HV |
| Operating Temperature | Continuous ≤1600℃ |
| Dielectric Strength | ≥15kV/mm |
| Dimensional Tolerance | ±0.01mm |
| Surface Roughness | Ra≤0.4μm |
Raw Material Proportioning → Spray Granulation → Isostatic Pressing → High-Temperature Sintering (1650-1800℃) → Precision Internal/External Cylindrical Grinding → Step Machining → Mirror Polishing → Cleaning & Inspection → Finished Product Packaging. All processes utilize CNC equipment to ensure bearing coaxiality, roundness, and dimensional consistency.
