A fiber optic connector polishing machine is a specialized precision optical device designed for fine grinding and surface finishing of fiber connector ferrules. It is core equipment in the mass production of fiber patch cords, pigtails, and optical communication components. By precisely polishing the connector end face, the machine eliminates surface scratches, resin residues, and uneven curvature, optimizing key optical performance parameters including insertion loss (IL) and return loss (RL), and ensuring stable and low-loss optical signal transmission. Widely applied in FTTH construction, data center wiring, optical device manufacturing, and communication engineering projects, it replaces traditional manual polishing to deliver standardized, repeatable, and high-yield polishing results.
Working Principle
The machine adopts mechanical constant-pressure orbital polishing technology. It fixes multiple fiber connectors on a dedicated polishing jig and runs preset polishing trajectories with controllable pressure, speed, and time. Through progressive grinding with different-grit polishing films, it removes residual adhesive, fiber burrs, and surface defects on the ferrule end face. The whole process achieves consistent end-face curvature, perfect fiber core flushness, and ultra-smooth surface finish, meeting industrial UPC and APC polishing standards.
Core Product Features
1. Stable Polishing Structure
Equipped with professional four-corner or center pressure structures. The four-corner pressure design provides uniform and stable pressure distribution without jumping or deviation during operation, effectively improving the consistency of end-face 3D parameters (radius of curvature, apex offset, fiber height) and supporting long-term batch production.
2. Wide Compatibility
Supports mainstream single-fiber connectors such as SC, LC, FC, ST, as well as multi-core MPO/MTP connectors. Customizable jigs and process programs adapt to different connector specifications, covering conventional civil communication and high-density data center optical connection scenarios.
3. Adjustable Intelligent Parameters
Integrates digital control system with real-time display of polishing pressure, running speed, processing time and operating status. All process parameters are freely adjustable and can be saved as custom presets. Operators can quickly switch UPC/APC polishing modes to match different production standards.
4. High Efficiency & High Yield
Compared with manual polishing, the automated batch polishing mode greatly improves production efficiency. A single operation can process 12–48 connectors simultaneously with stable finished product qualification rate, effectively reducing labor costs and technical dependence on workers.
5. Durable & Low Maintenance
Adopts high-rigidity metal frame and precision transmission components, featuring stable operation, low noise and long service life. The modular structure design simplifies daily cleaning, consumable replacement and equipment maintenance, reducing production downtime.
Polishing Quality Standard
After professional polishing, the connector end face achieves no scratches, no pits and no dust residue. It fully complies with international industrial standards: UPC end face with ultra-low insertion loss and high return loss; APC angled end face effectively suppresses reflected light, perfectly adapting to high-precision optical signal transmission scenarios and avoiding signal interference and attenuation caused by poor end-face processing.
Main Applications
It is widely used in mass production of fiber optic patch cords and pigtails, processing and customization of optical passive components, FTTH engineering supporting production, data center optical wiring component processing, and quality finishing of communication optical connectors in communication base station projects.
Features
* Fiber ferrules for grinding 2.5mm and 1.25mm PC end faces, such as FC, SC, ST/LC, etc.
* Made of high quality finished stainless steel, hard and wearable;
*The inner and outer round edges are designed for easy manual operation;
*The processing size is exquisite, smooth and burr-free, ensuring the grinding effect;
* Light and small, easy to carry;
Description
Under the condition that replacement or welding is not allowed, the end face of the tail fiber of damaged ( including scratches and cracks )
optical devices with various functions ( such as lasers, transceivers, modulators, optical switches, amplifiers, compensators, etc. )
Fiber optic manual grinding disc Manual grinding disc for repairing optical fiber end face is a fast,
simple and efficient tool for repairing end face on site.
Specifications
1. Timer: Omron rotation, key digital timer, any timing
2. Suitable: φ2.5mm PC,APC:FC,SC,ST；φ1.25mmPC,APC:LC,MU,MT,mini-MT,MT-RJ；
PC,APC:MPO,MTP,MPX；Pig-tail；Fiber-arry；PLC
3 Cores:18 20 24
4. Standard fiber optic connectors: FC/UPC,SC/UPC,ST/UPC,LC/UPC,MU/UPC,
FC/APC,SC/APC,MT-RJ,E2000 etc.
5. Connector insertion loss: ≤0.2dB(SM),≤0.15dB(MM)
6. Return loss: ≥50dB(PC),≥60dB(APC)
7. Radius of curvature: PC:10～25mm(φ2.5mm),7～25mm(φ1.25mm),APC:5～12mm
8. Repeat loss: ≤0.1dB；Swap loss: ≤0.2dB
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