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LBT-2AB Automatic Metallographic Sample Grinding and Polishing Machine (Dual-Plate, 6 Samples)

The LBT-2AB automatic metallographic sample grinding and polishing machine is a single-disc, fully automated unit that integrates preliminary grinding, fine grinding, and polishing.

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Metallographic Sample Grinding and Polishing Machine

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lbt@lbt.ltd

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+86-15102211717

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LBT-2AB Automatic Metallographic Sample Grinding and Polishing Machine (Dual-Plate, 6 Samples)

Description

Product Introduction:

The LBT-2AB automatic metallographic sample grinding and polishing machine is a single‑disc, fully automated unit that integrates pre‑grinding, grinding, and polishing. It employs microcontroller technology with touch‑screen control; the grinding/polishing disc is driven by a DC brushless motor via a V‑belt, while the grinding head is powered by a stepper motor with synchronous belt drive. This design delivers smooth rotation, low noise, and long service life. Users can independently adjust the rotational speeds of both the grinding head and the disc, set the applied pressure, and program the specimen‑preparation time to meet diverse requirements. The machine also features an integrated illumination system for convenient sample handling and a built-in cooling unit that cools the specimen during grinding, preventing overheating and preserving the metallographic structure.

Product Features:

1. The base is integrally cast from aluminum alloy, offering lightweight construction, excellent shock absorption, and superior corrosion resistance.
2. The housing is integrally molded via ABS thermoforming, featuring a modern appearance and excellent corrosion resistance.
3. The faucet features an all-copper, chrome-plated finish, offering excellent corrosion resistance.
4. Equipped with a touch-screen control and display system, offering simple operation and clear, intuitive visualization.
5. One-touch automatic start function: After placing the sample on the holder, simply press Start; the indenter will automatically descend, the grinding head and grinding disc will run automatically, and the water tap will dispense water. Once grinding and polishing are complete, the water tap will shut off automatically.
6. Features programmable timing, speed, and pressure control.
7. Built-in nozzle with an integrated dirt collection tray for automatic cleaning.
8. Supports stepless speed control or four-speed adjustment modes, making speed regulation more convenient.
9. The grinding head features electromagnetic clutch‑based automatic locking, offering convenience and speed.
10. Supports both independent and synchronized start-up of the grinding/polishing disc and grinding/polishing head, offering greater flexibility in operation.
11. It can store more than ten sets of grinding and polishing process parameters, enabling quick retrieval.
12. Magnetic disc design supports quick disc changes, making it easier and faster to swap sandpaper and polishing cloths.
13. The specimen holder automatically releases and clamps, and when combined with the internal illumination system, it facilitates easy specimen loading and unloading.
14. Equipped with a quick‑change specimen‑clamping disc, allowing for the easy replacement of clamping discs of different diameters at any time.
15. The entire machine is equipped with brushless DC and stepper motors, ensuring smooth operation, low noise, and long service life.
16. Two pressurization methods—central pressurization and single-point pressurization—offer enhanced functionality.
17. Dual-disc, dual-control operation offers greater flexibility.
18. One‑key automatic start function: after placing the sample on the holder, simply press Start; the indenter will automatically descend, the grinding head and grinding disc will run automatically, and the water tap will dispense water. Once grinding and polishing are complete, the water tap will shut off automatically.
19. The emergency stop button allows for quick and convenient immediate cessation of operation.

Technical Specifications:

Product model	LBT-2AB Automatic Metallographic Sample Grinding and Polishing Machine
Number of millstones	2
Polishing disc diameter	254mm
Polishing disc rotational speed	Stepless speed regulation, 100–1000 r/min Four-speed adjustment: 300, 500, 800, 1000 r/min
Rotational direction of the polishing pad	Forward and reverse
Grinding disc motor power	2.2KW
Spindle rotation direction	Clockwise
Grinding head rotational speed	0-150r/min
Grinding head motor	Stepper motor 200W
Grinding head locking method	Automatic
Adjustable timer duration	0-99min
Pressure regulation method	Automatic pressure regulation within the system
Pressurization method	Single-point pneumatic pressurization and central pneumatic pressurization
Pressurization pressure	Center: 0–150 N (common range: 40–120 N) Single-point: 0–90 N
Number of specimen clamps	6 pieces
Supporting specimen thickness	8–22 mm (customizable)
Specimen clamping specifications	Standard configuration: Φ30; (Φ22, Φ30, or Φ45—any of these specifications is optional; custom specifications available upon request)
Power supply	220V 50Hz
Total power	2.8KW
External dimensions	755660710mm
Weight	100kg

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FAQs

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We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

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Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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LBT-2AB Automatic Metallographic Sample Grinding and Polishing Machine (Dual-Plate, 6 Samples)

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Mobile:+86-15102211717

Whatsapp:+86-15102211717
E-mail:lbt@lbt.ltd

Address:Tianjin Jinghai Economic Development Zone

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