Single Disc Metallographic Grinding and Polishing Machine

Our range of single disc metallographic grinding and polishing machines includes knob-controlled fixed speed, variable speed and touch screen models. Compact footprint, easy operation and complete standard accessories make these polishers ideal for factory QC departments, school labs and small-scale material research projects. Custom working disc sizes are available to fit your metallographic specimen processing needs.

If your testing team only handles a small to moderate number of metallurgy samples each working day, a single-disc grinding and polishing unit will be one of the most cost-effective lab investments you can make. Unlike bulkier dual-disc machines that occupy extra bench space, our single-disc design keeps equipment dimensions compact, fitting neatly onto standard laboratory workbenches without taking up valuable operating area.

Many small manufacturing factories, vocational colleges and in-house quality inspection teams choose our single-disc polishers for daily specimen pretreatment work. Each machine integrates pre-grinding, coarse grinding, fine grinding and mirror polishing functions in one device, so you do not need to purchase separate grinding and polishing equipment to complete the full metallographic sample preparation workflow.

All our single-disc machines are fitted with a circulating water inlet and drainage system. Running water cools sample surfaces during high-speed friction and washes away fine abrasive debris, preventing thermal deformation, surface scratches and edge damage on metal alloys, plastic parts and composite workpieces. We offer two housing materials for different usage frequencies: high-strength fiberglass for long-term continuous use and durable reinforced plastic for regular intermittent laboratory testing.

We have developed five practical configurations to match different budgets and testing standards, ranging from entry-level fixed-speed economical models to high-end touchscreen programmable equipment. The standard working disc diameter is 203mm, and we can customize 230mm and 250mm discs for users who need to process oversized specimens. Every unit is delivered with a full set of consumables and installation parts, allowing your staff to start sample grinding and polishing right after simple assembly and wiring.

 MP-1B

As our most popular entry-level single disc metallographic grinding and polishing machine, this model comes with a 180W motor and LED digital speed display. The 50–1000rpm stepless speed range covers most conventional metallurgical inspection tasks. With a small overall footprint and fiberglass integrated housing, it is widely adopted by small processing factories and teaching laboratories with limited equipment budgets and low daily sample throughput. Simple knob operation requires almost no professional training for new operators to get started.

 MP-1B NEW

This upgraded version of MP-1B upgrades the motor power to 550W, delivering more stable torque during long-hour continuous operation. Many users who need to run the machine for several hours straight every day opt for this high-power variant. It retains the same knob speed control and LED digital display design, keeping operating habits consistent with the entry model while effectively avoiding speed fluctuations under heavy sample pressing pressure. It is the best choice for small and medium-sized enterprises with medium daily sample quantities.

 MP-160

If your laboratory follows fixed metallographic testing procedures, this two-speed fixed single-disc polisher can greatly simplify daily operation steps. It runs steadily at 300rpm and 600rpm, two commonly used speeds for routine coarse grinding and fine polishing. The simple mechanical structure reduces potential failure points, lowering regular maintenance and spare part replacement costs for production line regular sampling inspection work.

 MP-160E

Built for precision processing of soft metals and thin workpieces, this variable-speed single-disc polisher supports 50–600rpm stepless adjustment with two preset fixed speeds of 150rpm and 300rpm. Its biggest highlight is the forward and reverse rotation function for the working disc, which effectively avoids unilateral wear on specimen surfaces that often occurs during long-term one-direction polishing. It is frequently selected by new material R&D teams and precision component testing laboratories to guarantee ultra-flat sample surfaces for microstructure observation.

 MP-1S

Our premium single-disc model adopts LCD touch screen control instead of traditional knobs. Apart from the 50–1000rpm full-range stepless speed regulation, four commonly used rotating speeds (150/300/600/800rpm) can be stored with one touch. The speed memory function ensures identical processing parameters for each batch of samples, standardizing laboratory testing workflows. The reinforced fiberglass housing can withstand years of high-frequency continuous use, making it the preferred model for university metallurgy labs and third-party standardized testing institutions.

1.Compact bench-top structure occupies minimal laboratory space, which is highly suitable for small workshops, school teaching labs and inspection rooms with limited installation area.
2.Integrated multi-function design covers all steps of metallographic sample pretreatment, eliminating extra spending on separate grinding or polishing equipment.
3.Multiple speed and control options can adapt to different material types, from ordinary carbon steel to soft aluminum alloys and high-precision composite materials.
4.Precision surface treatment on the working disc removes cutting damage layers thoroughly, ensuring flat and scratch-free samples for accurate metallographic microstructure inspection.
5.Closed circulating water cooling and cleaning system effectively avoids thermal deformation and surface blemishes caused by high-speed friction during long-time polishing work.
6.Global universal standard disc size is compatible with most mainstream metallographic consumables on the market, so you can easily purchase replacement sandpaper and polishing cloth locally without special customization.

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