YANRUN ZDP-300A Automatic Vibration Polishing Machine
| Brand | YANRUN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZDP-300A |
| Control Interface | Touchscreen |
| Platen Diameter | 305 mm |
| Sample Diameter Range | 8–50 mm (customizable) |
| Polishing Feed Control | Programmable Auto-Dispensing (minimum interval: 0.1 s) |
| Motor Power | 1.5 kW |
| Frequency Regulation | Automatic |
| Voltage Regulation | Automatic |
| Input Power | 220 V AC |
Overview
The YANRUN ZDP-300A Automatic Vibration Polishing Machine is an engineered solution for high-precision sample preparation in electron microscopy and microstructural characterization laboratories. Designed specifically to support demanding applications such as Scanning Electron Microscopy (SEM), Electron Backscatter Diffraction (EBSD), and Transmission Electron Microscopy (TEM) specimen thinning, the ZDP-300A employs controlled orbital vibration—rather than rotational motion—to achieve ultra-low-stress surface finishing. This mechanism minimizes subsurface deformation, eliminates edge rounding, and preserves crystallographic integrity critical for orientation mapping and phase identification. Unlike conventional rotary polishers, the ZDP-300A’s vibration-based kinematics generate uniform material removal across heterogeneous samples (e.g., multiphase alloys, ceramic composites, or geological thin sections), making it particularly suitable for labs requiring reproducible, artifact-free surfaces prior to high-resolution imaging or diffraction analysis.
Key Features
- Touchscreen-integrated control system with intuitive GUI for parameter setup, recipe storage, and real-time process monitoring.
- Programmable auto-dispensing module delivering polishing suspension with 0.1-second temporal resolution—enabling precise volumetric control over abrasive delivery for consistent slurry concentration and dwell time.
- 305 mm diameter platen constructed from corrosion-resistant stainless steel with integrated damping mounts to suppress harmonic resonance during extended operation.
- Intelligent frequency and voltage regulation circuitry maintains stable vibrational amplitude across varying load conditions (e.g., single or multiple specimens, differing hardnesses), ensuring process repeatability.
- Modular sample holder design accommodates standard diameters from 8 mm to 50 mm; custom fixtures available for non-circular or oversized specimens upon request.
- 1.5 kW brushless motor with thermal overload protection and IP54-rated enclosure for reliable performance in shared laboratory environments.
Sample Compatibility & Compliance
The ZDP-300A supports a broad spectrum of conductive and non-conductive materials including metals (Al, Ti, Ni-based superalloys), intermetallics, oxides (Al2O3, ZrO2), silicates, polymers, and biological hard tissues (e.g., calcified bone sections). Its low-energy vibration profile avoids thermal damage and plastic flow, satisfying ASTM E3-22 requirements for metallographic specimen preparation and ISO 14709:2022 guidelines for EBSD-ready surface quality. The system is compatible with common colloidal silica, diamond suspension, and alumina-based slurries. All electrical components comply with IEC 61000-6-3 (EMC emission limits) and IEC 61000-6-2 (immunity standards), and mechanical safety conforms to EN 60204-1 for industrial machinery.
Software & Data Management
The embedded firmware supports up to 99 user-defined polishing protocols, each storing parameters including vibration frequency (Hz), duration (s), feed intervals (s), slurry type ID, and post-cycle rinse sequence. Audit trail functionality logs operator ID, timestamp, protocol version, and any manual overrides—meeting GLP/GMP documentation expectations per FDA 21 CFR Part 11 when paired with networked lab information systems (LIS). Export options include CSV-formatted run logs and PNG screenshots of active interface states for inclusion in analytical reports or regulatory submissions.
Applications
- Preparation of EBSD-compatible surfaces for grain boundary analysis, texture quantification, and strain mapping in metallurgical R&D.
- Fabrication of cross-sectional TEM lamellae via sequential low-angle vibrational polishing after FIB lift-out.
- Surface planarization of semiconductor wafers and MEMS devices prior to AFM or XRD profiling.
- Routine metallography for QC/QA in foundries and aerospace component manufacturing per ASTM E407 and ISO 643.
- Geological thin section refinement for cathodoluminescence (CL) and quantitative mineralogical analysis.
FAQ
What types of polishing consumables are compatible with the ZDP-300A?
The system accepts standard aqueous and oil-based suspensions, including colloidal silica (pH 9–11), sub-micron diamond (0.25–6 µm), and gamma-alumina (0.3–1 µm), delivered via OEM-certified peristaltic tubing.
Can the ZDP-300A be integrated into automated sample prep workflows?
Yes—RS-232 and optional Ethernet interfaces enable bidirectional communication with robotic sample handlers and LIMS platforms for unattended batch processing.
Is validation documentation available for regulated environments?
Factory-installed IQ/OQ documentation packages—including calibration certificates for timing circuits and vibration amplitude verification—are provided upon request.
What maintenance intervals are recommended?
Platen surface inspection and suspension line cleaning every 200 operating hours; motor bearing lubrication every 2,000 hours; full firmware update verification annually.
Does the system support multi-specimen simultaneous polishing?
Yes—up to six 12-mm-diameter specimens or three 25-mm specimens can be processed concurrently using configurable retainer plates without compromising uniformity.
