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Principles of laboratory tablet presses


  laboratory tablet pressIt is a machine specially used for tabletting of drugs or chemical substances. The principle is that the raw material powder is compressed into solid tablets in a tablet press to achieve the purposes of accurate drug dosage, convenient carrying and convenient storage. The laboratory tablet press is one of the indispensable tools in the laboratory. The principle is described in detail below.

The laboratory tablet press consists of three main parts, namely the pressure system, the control system and the tablet part. The pressure system consists of a motor, a reducer, a one-way valve, a pressure gauge, an oil pump and an oil tank; the control system includes heating, cooling and time control functions; the pressing part includes three parts: the upper mold, the pressure wheel and the lower mold. The working principle of the vacuum tablet press is to use electromagnetic force to press the fluid into the mold to reach the required pressure. Through the two modules of the upper and lower molds, the raw material powder is loaded into the mold, and then through the pressure system, the motor drives the tabletting wheel to contact with the upper mold plate, and then the powder is pressed into solid tablets by pressure.

The advantage of the laboratory tablet press is that its pressure is adjustable, which can adapt to the compression requirements of different materials. The compressed products can improve the chemical activity and biological activity, and the absorption of pharmaceuticals is faster and more convenient. In addition, the tablet press does not require any solvent, does not produce pollution, and has no impact on the environment. Laboratory tablet press machine is mainly used in medicine, food, cosmetics, powder industry and other fields. It has the advantages of saving labor, reducing space and improving material utilization.

In order to ensure the normal use of the laboratory tablet press, maintenance is required, mainly including cleaning and lubrication, electrical system inspection and fastening bolt inspection. In addition, remember to check whether all parts of the tablet press are normal before use to avoid accidents due to incorrect use. The market prospect of laboratory tablet press is broad. With the continuous development of high technology, the demand for high quality and high efficiency in various fields is getting higher and higher. Therefore, scientists will continue to explore how to make better use of laboratory tablet presses to manufacture drugs or chemicals, and make more contributions to people's health and social development.

The principle of the laboratory tablet press is to compress the raw material powder into solid tablets, and its structure is mainly composed of three parts: pressure system, control system and tabletting part. The advantage is that the pressure can be adjusted, the products after compression can improve the chemical activity and biological activity, the application range is wide, and the market prospect is broad. Therefore, in the laboratory, the tablet press is a very necessary tool, and its importance is self-evident.

Laboratory tablet presses are often used in pharmaceutical, medical and other fields, and the following matters should be paid attention to when using: before use, it is necessary to check whether the power supply and the machine are in normal condition, and ensure that the operators are fully equipped. Determine the pressing die that needs to be used, check and clean the die to ensure that the surface is flat and free of burrs. Put the tablet material to be pressed into the mold of the tablet press, and control the quantity, not too much or too little.

Before tabletting, the physical characteristics of the medicinal materials need to be checked, such as the water content and particle size distribution of the medicinal materials. If the tabletting conditions are not met, adjustments need to be made. In strict accordance with the requirements of the operating instructions, adjust the pressure speed, pressure and other parameters to avoid sudden situations. After the tablet pressing is completed, clean the mold and tablet press in time to ensure the hygiene and safety of the next use. During the operation, it is necessary to keep quiet and avoid disturbing the surrounding personnel. In general, the use of laboratory tablet presses requires strict compliance with operating procedures and precautions to ensure the stability and reliability of the experiment, as well as the safety of operators.


Key words:

Laboratory Equipment

Packaging Equipment

pharmaceutical equipment

Pharmaceutical machinery

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