Die structure tablet press technology and principle

1. The surface of the punch of the is damaged or the surface finish is reduced, there may also be anti-rust oil or lubricating oil, the surface of the new die is rough, or the lettering is too deep and angular. You can clean the punch, replace the substandard die, or rub a small amount of liquid paraffin on the surface of the lettering punch to lubricate the lettering. In addition, if sticking is caused by mechanical heating, the cause should be checked and the pharma machinery repaired. 2. The design of engraved and stamped characters is unreasonable. Replace the punch or change the character design accordingly. 3. Too much water content in the granules or uneven dryness and wetness of the granules cause stickiness. Solution: Control the moisture content of the granules at about 2% to 3%, and strengthen the inspection of dry granules. 4. Insufficient amount of lubricant or improper selection, too much fine powder. The amount of lubricant should be appropriately increased or replaced with new lubricant to remove excessive fine powder. 5. The large difference in the fineness of raw and auxiliary materials results in uneven mixing or improper mixing time. Solution: crush and sieve the raw and auxiliary materials to make the fineness meet the quality requirements of the variety, and at the same time master and control the mixing time. 6. The concentration of the adhesive is low or the adhesive force is poor due to the quality of the adhesive. There are too many fine powders (over 10%) and sticky. Solution: Use a 40-mesh sieve to sieve the fine powder and re-granulate, dry, granulate, mix the whole batch evenly, and then press into tablets. 7. Sticking is caused by the raw material itself (such as hygroscopicity). Solution: add a certain amount of absorbent (such as adding 3% calcium hydrogen phosphate) to avoid sticking. 8. The ambient humidity is too high, and the humidity is too high to reduce the ambient humidity. 9. If the operating room temperature is too high, it is easy to cause sticking. Attention should be paid to reducing the operating room temperature. Tablet presses are mainly used for tablet process research in the pharmaceutical industry. is an automatic continuous production pharma machinery that compresses granules into circular, special-shaped and tablets with characters, symbols, and graphics with a diameter of not more than 13mm. Tablet presses can be divided into single-punch tablet presses and multi-punch rotary presses. chip machine. The single-punch uses a cam-link mechanism to make the upper and lower punches move relative to each other to compress the tablets. Rotary is to install multiple pairs of dies on the working turntable in a circular shape, and the tails of the upper and lower punches are controlled by fixed lifting guide rails. Whether it is pharma machinery, machines or people, it is necessary to take good care of it and simply understand how to maintain the : 1. Regularly check the machine parts 1-2 times a month. The inspection items are worm gear, worm, bearing, pressure wheel, crankshaft, upper and lower guide rails, etc. Activities, whether the parts are flexible and worn, and the defects should be repaired and used in time. 2. The place of use should be cleaned frequently, especially for the manufacture of medicine and edible tablets, and there should be no dust, sand and flying dust. 3. The maintenance of the punching die should be placed in a metal box with a cover so that the punching die is completely immersed in the oil, and it must be kept clean to prevent rust and bruises. Try to customize the iron box and pack one box with each specification to avoid It can cause wrong installation during use and help to grasp the damage situation. 4. Take out the remaining powder and brush off the residual powder on the part of the machine after one-time use or shutdown. If the shutdown time is long, all the dies must be removed, and the smooth surface of the machine should be wiped and cleaned to prevent rust. Cover the oil with a cloth tarpaulin. In the maintenance of the , it is first necessary to start with the parts. Only when all the parts are in good condition can the be well protected and the life of the can be extended. The above is the industry sharing brought to you by Lvyi Tablet Press, I hope you will like it. More about candy , soft water salt , powder , effervescent , chicken bouillon , health product , please pay attention to us, and keep abreast of the latest industry trends!

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