uPoli-3-250A Three-Platen Automatic Metallographic Grinder Polisher
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UPoli 3 250A1
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UPoli 3 250A6
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UPoli 3 250A8
Product Features & Applications
Product Features：
Equipped with three grinding and polishing platens, enabling multi-step grinding and polishing in one operation.
Specimen holder oscillates left and right over the platen to maximize grinding and polishing efficiency.
Single-point loading and central loading are available (optional).
Three operating modes: fully automatic mode, multi-step mode, and multi-program mode.
1kW high-power servo motor controlled by PLC, providing high and constant torque at any speed.
Wide speed adjustment range: 0-1000 rpm (max. 1500 rpm).
Supports forward and reverse rotation, switchable at any time.
Touch-screen interface for easy parameter setting.
Speed, polishing time, water valve and other parameters can be set; programs can be
saved for direct recall next use.
Automatic dispenser is optional.
Magnetic anti-stick plate for easy replacement and multi-purpose use.
Interface supports Chinese and English switching.
Loading force can be adjusted during operation for flexibility and convenience.
Precise control of material removal (optional).
Product Applications：
Metallographic analysis and failure analysis.
Semiconductor industry: wafer thinning and polishing.
Mold processing and optimization.
Precision processing of metal components.
Technical Specifications
| Item | Three-Platen Automatic Metallographic Grinder-Polisher |
| Model | uPoli-3-250A |
| Stations | 3 |
| Platen diameter | Standard φ254 mm (optional φ230 mm, φ203 mm) with magnetic conversion system |
| Platen speed | 50–1500 rpm, forward/reverse switchable |
| Specimen holder speed | 30–200 rpm, forward/reverse switchable |
| Central loading force | 30~200N |
| Preparation time | 0~9999s |
| Automatic mode | 99 groups of parameters, each independently set and recalled |
| Multi-step mode | 99 programs, each with 3 step parameters |
| Specimen holder | Standard φ30 mm 6-hole (optional φ20 mm 6-hole, φ40 mm 6-hole, φ50 mm 3-hole; others customizable) |
| Noise | 50.5–56 dB at 1 m |
| Working air pressure | ≥ 0.6 MPa |
| Motor power | 1kw*3 |
| Power supply | AC 220V，50/60Hz，3.3kw |
| Dimensions | 980*960*825mm |
| Weight | 231kg |
Standard Configuration
| Item | Quantity | Photo |
| Automatic grinder-polisher main unit | 1 set |  |
| φ250 mm PSA sandpaper: P180, P320, P600, P1000, P2000 | 10 sheets each | |
| φ250 mm PSA polishing cloth: flannel, satin | 2 sheets each | |
| 200 ml diamond suspension polishing fluid: 1 μm, 3 μm, 6 μm | 1 bottle each | |
| 1000 ml blue polishing lubricant coolant | 1 bottle | |
| φ250 mm anti-stick plate | 2 sheets | |
| Magnetic platen | 2 sheets | |
| Power adapter cable | 1 pc | |
| Data adapter cable | 1 pc | |
| Central holder | 1 set | |
| Single-point holder | 1 set |  |
| Mounting table | 1 pc |  |
| 4 mm hex key with handle | 1 pc | |
| 5 mm hex key | 1 pc | |
| 2.5 mm hex key | 1 pc | |
| 2.5 mm hex key | 1 pc | |
| Waterproof ring | 3 pcs | |
| φ8 mm inlet hose | 1 pc | |
| φ32 mm drain hose | 1 pc | |
| 6 mm × 3 m air tube | 1 pc | |
| PTFE tape | 1 roll | |
| Touch pen | 1 pc | |
| Coat hook | 1 pc | |
| G1/2 angle valve | 1 pc | |
| G1/2 rubber gasket with strainer (80 mesh) | 1 pc | |
| Quick-fitting connector | 3 pcs | |
| Pre-filter | 1 pc | |
| 8–6 reducer air connector | 1 pc | |
| Cleaning brush | 1 pc | |
| Hose clamp 21–44 | 1 pc | |
| Anti-stick plate crowbar | 1 pc | |
| User manual | 1 copy |  |
| Certificate of conformity | 1 copy |  |
| Warranty card | 1 copy |  |
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Last updated: 2026-06-17
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