Batch Metallographic Sample Preparation: Shenyang Kejing UNIPOL-1220M Fully Automatic Grinding and Polishing System

How can laboratories overcome the throughput bottleneck in metallographic sample preparation? The Shenyang Kejing UNIPOL-1220M Fully Automatic Metallographic Grinding and Polishing System integrates grinding, polishing, ultrasonic cleaning, and air drying into a single unit. It can process up to six samples simultaneously; its pneumatic single-point pressure mechanism ensures exceptional consistency, while a touchscreen interface enables one-touch operation. This system is custom-tailored for high-throughput materials R&D and industrial quality control applications.

The grinding and polishing of metallographic samples has historically been a labor-intensive "craft" that relies heavily on the operator's experience. When faced with hundreds or thousands of samples in industrial quality control or large-scale research projects, traditional manual or semi-automatic equipment often becomes a bottleneck in the overall R&D workflow, making it difficult to guarantee consistent quality across different batches.

Shenyang Kejing keenly identified this industry pain point and proudly launched its flagship product: the UNIPOL-1220M Fully Automatic Metallographic Grinding and Polishing System. This system completely transforms the tedious steps of sample preparation into a streamlined, "one-touch" automated workflow.

A Revolution in Fully Automated Sample Preparation

The UNIPOL-1220M is more than just a grinding machine; it is a fully automatic, closed-loop system that integrates sample positioning, grinding and polishing, ultrasonic cleaning, and automatic feeding.

1. One-Touch, End-to-End Process: From Coarse Grinding to Cleaning and Drying

The device features built-in modules for intermediate cleaning and air drying. This means the machine not only automatically executes the grinding and polishing steps but also performs automatic ultrasonic cleaning and air drying between stages, thereby completely eliminating the risk of coarse abrasive particles from a previous step causing scratches during the subsequent step. Researchers simply need to load the samples and press the start button, allowing them to attend to other tasks while the machine operates—a process that significantly frees up human resources.

2. Pneumatic Single-Point Pressure and High-Throughput Processing

The system is capable of simultaneously processing up to six standard samples (Ø25mm) in a single run. Unlike traditional central-pressure systems, the UNIPOL-1220M employs advanced pneumatic single-point pressure technology. By precisely regulating air pressure via a throttle valve (within a range of 10–50 N), the system ensures that every specimen—regardless of its height or size—receives extremely uniform force application, thereby guaranteeing perfect flatness and consistency.

3. The "Intelligent Brain": 15-inch Touchscreen and Process Database

The device features an expansive 15-inch touchscreen Human-Machine Interface (HMI). It houses a built-in database of proven specimen preparation protocols tailored for a wide array of materials, including metals, ceramics, rocks, and electronic components. Users can effortlessly access, modify, and save multi-step programs (covering parameters such as grinding head speed, pressure, and polishing fluid dispensing rates), effectively transforming subjective "experience" into reproducible "procedures."

Exceptional Hardware and Flexible Expandability

Independent Speed Control System: The rotational speeds of the upper and lower platens are independently adjustable (Grinding Head: 10–60 rpm; Grinding Platen: 50–300 rpm). Its low-speed, high-torque design perfectly accommodates the diverse process requirements ranging from coarse grinding to fine polishing.

Multi-Channel Abrasive Supply: Equipped with four independent abrasive supply systems, the unit can automatically and precisely dispense various grinding slurries or polishing fluids in accordance with the programmed protocol.

Automated Consumable Exchange: Features automated sample handling capabilities, allowing for the automatic exchange of sandpaper and polishing pads of varying grit sizes (utilizing a 16-slot polishing pad magazine).

The Shenyang Kejing UNIPOL-1220M represents the ultimate choice for modern materials laboratories seeking to transition toward high-throughput, standardized, and intelligent specimen preparation. It not only boosts efficiency but also defines a new standard for metallographic preparation.

Aspiring to achieve truly "unattended" specimen preparation? We invite you to contact Shenyang Kejing to request a sample preparation demonstration (we accept samples sent via mail for testing), and let the flawless final results dispel any doubts you may have!