Lbt-3S Automatic Metallographic Sample Grinding and Polishing Machine (6-Sample Dual-Disc)
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Description
Product Introduction:
The automatic grinding and polishing machine is a dual‑disc benchtop unit, manufactured in accordance with international standards and employing state‑of‑the‑art processes. It represents a new generation of high‑precision equipment that automates the sample preparation process.
This machine employs an advanced microprocessor‑based control system, enabling stepless adjustment of the grinding and polishing disc and head speeds, as well as intuitive and convenient settings for sample preparation pressure and duration. Operators can complete grinding and polishing simply by changing the grinding/polishing disc or the metallographic sandpaper and polishing cloths, thereby enhancing the instrument’s versatility. The unit features freely selectable rotation directions for the grinding/polishing disc, rapid disc replacement, a multi‑sample holder with pneumatic single‑point loading, and automatic abrasive delivery (with an optional dispenser). Additionally, it offers smooth operation, reliable safety, low noise levels, and a cast‑aluminum base that further improves the rigidity of the grinding and polishing process.
This machine is equipped with a water‑cooling system and abrasive‑flushing nozzles, enabling sample cooling during grinding to prevent overheating that could distort the metallographic structure, while simultaneously flushing away abrasive particles. Paired with an ABS housing and stainless‑steel standard components, it boasts a sleek, elegant appearance, enhanced corrosion and rust resistance, and easy cleaning.
The automatic grinding and polishing machine is designed for automated sample preparation, covering the entire workflow from coarse grinding and fine grinding to coarse polishing and fine polishing of metallographic specimens. It is an ideal sample‑preparation instrument for industrial enterprises, research institutions, and laboratory settings in colleges and universities.
Technical Specifications:
| Parameter Name | Specific parameter details |
| Millstone box diameter | φ250mm (customizable to φ203mm) |
| Grinding disc housing rotational speed | 50–1000 r/min (stepless speed regulation); 150 r/min, 300 r/min (two‑stage fixed speeds) |
| Millstone box steering | Adjustable clockwise or counterclockwise |
| Grinding head rotational speed | 50–150 r/min (stepless speed regulation) |
| Loading range | 5–60 newtons (N) |
| Number of samples prepared | 6 units (standard configuration) |
| Sample preparation time | 0–995 seconds (s) |
| Specimen diameter | Φ30mm (standard), customizable to Φ22mm, Φ25mm, Φ30mm, and Φ40mm. |
| Compressed air pressure | 0.6 ~ 0.9 MPa |
| Input voltage | Single-phase AC 220V 50Hz |
| Input power | 1.1KW |
| External dimensions | 760×706×736mm |
| Net weight | 128kg |
| Gross weight | 152kg |
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Lbt-3S Automatic Metallographic Sample Grinding and Polishing Machine (6-Sample Dual-Disc)
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Mobile:+86-15102211717
Whatsapp:+86-15102211717
E-mail:lbt@lbt.ltd
Address:Tianjin Jinghai Economic Development Zone