 |
| Quantity: | |
|---|---|
109
HaoRui
custom109
A half ring solves a problem a full ring cannot: it can be installed around a shaft, tube or cable without disassembling the machine. These 180° alumina ceramic segments are ground on both mating faces so the two halves close with a clean joint line, and the bolt holes are machined at the exact chord positions for the fixed clamp below.
Arc angle is not limited to 180° — 90°, 120°, 270° or any custom segment is machined from sintered alumina, with optional holes, slots, notches and steps. Segments can be supplied as matched pairs or as full sets that rebuild into a complete ring with controlled gaps.
| Material | 95% / 99% Al2O3 alumina ceramic |
|---|---|
| Arc angle | 90° / 180° / custom |
| Diameter range | Ø10 – Ø600 mm typical |
| Wall thickness | 2 – 30 mm |
| Flatness of mating face | ≤0.02 mm |
| Hole tolerance | ±0.01 mm (ground) |
| Max. service temperature | 1400 – 1650°C |
Typical values for reference; custom grades and dimensions per drawing.
Clamp and holding rings for furnace tubes and heating elements
Insulation barriers around conductive shafts
Segmented seals and wear rings
Semiconductor and PV chamber fixtures
Sensor and cable insulation collars
Haorui Industrial has machined non-standard advanced ceramics since 2006 (ISO 9001). Send us a 2D drawing (PDF/DWG) or a sample: we quote with tolerance and material recommendation, produce 1–10 piece prototypes in 7–15 days, and keep the process data for repeat batches. Materials available: 95% / 99% / 99.5% Al2O3, ZrO2, Si3N4, SiC, AlN, macor.
Yes — we grind both faces in one setup and mark matched pairs, so the closure line is tight and even.
At the joint, yes, by design. For clamping and insulation duty this rarely matters; for high-speed rotating duty we recommend a full ring instead.
Yes, holes, counterbores and slots are machined and can be positioned to mate with your metal clamp.
Quality you can verify: Haorui Industrial operates an ISO 9001:2015 certified quality management system (scope: precision mechanical ceramics parts), and our alumina and zirconia ceramics are RoHS 2.0 compliant — tested per IEC 62321 by an accredited third-party laboratory. We exhibit every year at CIOE (China International Optoelectronic Exposition) and semiconductor industry expositions in Shenzhen — visit our booth to see the parts in person.
