For connectors with ceramic sleeves, such as FC, SC, ST, and LC types, carbon silicon carbide grinding sheets (e., SC30/15) are typically used for deburring. Coarse Grinding: The purpose of coarse grinding is to quickly remove a significant amount of material from the. fiber optic connectors. The document is intended to inform and educate about polishing processes and commercial automated polishing equipment with various fixturing in order. 📦 For purchasing, use the RP Photonics Buyer's Guide for fiber polishing. It provides an expert-curated supplier directory, buyer-focused technical background information, and structured selection criteria to support professional procurement decisions. This article explains the process of optical. To evaluate the quality of optical fiber connectors, it is necessary to measure the shape parameters of the connector pin body end face after grinding and polishing, including three important parameters: radius of curvature, vertex offset and core depression. Only by keeping the shape parameters of. Polishing fiberoptic connectors is intuitive in principle, but in practice, there are many variables to consider when trying to determine which process and equipment are most suitable. Not all connectors and applications require the same polished end-face surface quality and shape.