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Analysis of the structure and scope of application of tablet press equipment
Release time:
2021-10-08 10:56
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A machine that puts granular or powdered material into a die hole a♦nd presses it into tablets by a punch is called a tablet pres¶s.
earlytablet pressConsisting of a pair of dies, the punch moves up and down to confine the gra÷nular material into flakes, the machine is called a single-punch< tablet press, and will be developed into an electric flower basket tablet press in th☆e future. The working principle of these two tablet presses is still one-way tablet compεression based on manual compression, I .e. the downward stroke is fixed during tablet compressδion, and only the upward stroke moves to pressurize. Due to the inconsistent upper and£ lower forces, this tablet compression method causes u♣neven internal density of the tablet and is prone to cracking and other problems.
The shape of tablets compressed by tablet presses is mostly oblate at first , but later it will develop into shallow arcs and d≈eep arcs on both sides of the upper and lower sides. This is due to the need ofδ coating. With the development of special-shaped tablet presses, oval, triangle, rectangle, square, diamond, round and other tablets have appeared. In a ddition, with the continuous development of preparations, due to the requirements of compound preparations and time-release preparations, it needs to be completed oσn a special tablet press, so special tablets such as double-layer, three-layer, and core-coated tablets are made.
In view of this shortcoming of the one-way tablet press, a rotary ®multi-stroke two-way tablet press was born. This tablet press presses up and÷ down while pressing evenly, so that the air in the drug particles has enough time to esca≥pe from the die hole. The uniformity of tablet density♦ is improved and the fragmentation phenomenon is reduced. In addition, the inventio☆n also has the advantages of low vibration, low noise, low energy consumption, high eff∏iciency, and accurate tablet weight.
The rotary tablet press is a machine that uses multiple molds evenly distributed on th£e turntable to perform circular lifting motion according to a certain tra≤jectory, and constrains granular materials into tablets through the pressi>ng wheel. The linear speed of the punch rotating with the€ turntable is ≥ The 60 m/min tablet press is called a high-speed rotary tablet± press. This high-speed rotary tablet press has a forced feeding mechanism. The ma chine is controlled by PLC. It has the functions of autφomatically adjusting pressure, controlling tablet weigh↓t, removing waste tablets, printing data, and displayin♣g fault shutdown. In addition to controlling the difference in tablet weight within a c÷ertain range Within, it can also automatically identify and el>iminate quality problems such as missing corners and loose tablets.
Key words:
Laboratory Equipment
Packaging Equipment
pharmaceutical equipment
Pharmaceutical machinery
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