The GenGrind SA-I 250S – Automatic Grinder & Polisher offers four preset constant speed levels, allowing users to select the most suitable option for their grinding and polishing needs. The available speeds are:

• V1: 300 rpm – Ideal for initial grinding stages, ensuring controlled material removal.

• V2: 500 rpm – A balanced speed for transitioning between grinding and polishing phases.

• V3: 800 rpm – Provides efficient surface refinement while maintaining precision.

• V4: 1000 rpm – Best suited to final polishing, delivering a smooth and uniform finish.

Additionally, each speed level can be adjusted within a range of 100 to 1400 rpm, giving operators the flexibility to customize settings based on specific sample requirements. This combination of preset and adjustable speeds ensures consistent results, improved efficiency, and reduced operator workload, which makes it an ideal machine for metallographic sample preparation in laboratories and industrial environments.

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