Single-station vs rotary presses
A single-station (eccentric) press has one set of tooling and is best for R&D, sampling and very small batches. A rotary tablet press carries multiple stations on a rotating turret, compressing many tablets per revolution — this is what almost all commercial production uses.
For most buyers moving beyond the lab, a rotary press is the right answer. The question then becomes how many stations and how fast.
Sizing output: stations and speed
Output is roughly the number of stations multiplied by turret speed. A press with more stations produces more tablets per hour at the same turret RPM, so match the station count to your daily and annual volume rather than over-buying speed you never use.
Leave headroom. Running a press comfortably below its maximum extends tooling life and keeps weight control tight, so specify a machine whose rated output is above your steady-state demand.
Tooling, tablet shape and changeovers
Tooling (punches and dies) defines tablet size, shape and any embossing. Standard round tooling is cheapest and easiest to source; shaped or scored tablets need bespoke tooling. If you run several products, factor in changeover time and keep tooling sets clearly identified.
Confirm the tooling standard (e.g. TSM/EU B or D type) up front so spares and replacements are easy to obtain later.
GMP, containment and documentation
For pharmaceutical and nutraceutical production, specify stainless-steel, GMP-hygienic construction, dust extraction, and CE or UKCA marking with a Declaration of Conformity. Ask for IQ/OQ/PQ validation support if you operate under a quality system.