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What are the types of laboratory powder tablet presses?
Release time:
Dec 18,2025
Powder tablet presses are mainly used for compressing powdered materials into tablets, and are applicable to such fields as pharmaceuticals, foodstuffs and chemicals. Depending on their application scenarios and functional features, powder tablet presses can be classified into multiple types, with the common ones listed below:
1.Manual tablet press: Such as the MC model manual tablet press, which relies on manual operation to apply pressure to compress powder or granular materials into tablets. It is small in size, light in weight, easy to transport, suitable for use in a glove box, and equipped with a dual-scale pointer pressure gauge that can simultaneously display pressure and cylinder pressure to avoid overpressure of the mold.
2. Electric tablet press: Usually driven by a motor, it can achieve continuous tableting and is relatively labor-saving to operate. For example, the MD powder tablet press is a small tabletop electric continuous tableting machine. It is equipped with a set of punches and dies, and the filling depth and tablet thickness can be adjusted. It can also be operated by hand when there is no electricity.
3.Hydraulic tablet press: Utilizing a hydraulic system to provide pressure, it features a wide pressure range and high control precision. The hydraulic tablet press manufactured by Changsha Mitr Instrument Equipment Co., Ltd., based on years of technological accumulation, provides researchers with reliable sample preparation solutions. It is suitable for experiments requiring high pressure, such as sample preparation for X-ray fluorescence analysis and infrared spectroscopy.
4.Fully automatic tablet press: such as the MZD fully automatic powder tablet press, which combines the advantages of manual and electric tablet presses, realizes intelligent operation with a large LCD screen, and realizes programmed control of pressurization, slow pressurization, pressure holding, pressure compensation, timed pressure release, etc. It is also equipped with hydraulic cylinder limit protection, which is suitable for high-end laboratory use.
5.Rotary tablet press: The rotary tablet press launched by Changsha Mitr Instrument Equipment Co., Ltd. adopts a servo motor drive and roller screw transmission structure. The pressure output error is controlled within ±2%. With the pre-pressurization device and buffer return function, it can effectively eliminate the problem of tablet cracking caused by air residue. It also provides a variety of molds to choose from, and can press products of different thicknesses and shapes.
6.Single-punch tablet press: such as the TDP series laboratory single-punch tablet press, which consists of a set of punches and dies. The punch moves up and down to compress granular materials into tablets. It can press tablets with text, trademarks and patterns. The weight, thickness and hardness of the tablets can be adjusted, making it suitable for laboratory development and small-scale production.
The core differences between different equipment lie in the number of strokes (such as single stroke/multi-stroke), the degree of automation, and the applicable scenarios. Staff from Hunan Experimental Powder Tableting Machine Manufacturer remind customers that when purchasing, they should take into account production requirements, material characteristics, and budget.
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