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What if the punch of the single-punch tablet press is gl<ued?
Release time:
2022-06-06 15:34
Source:
single punch tablet pressThe reason for sticking the die and its treatment: sticking the die me ans that the punch and the die stick the fine powder ♣on the surface of the tablet when pressing the tabl®et, causing the surface to be uneven and concave, and the lettering punch is easier to st←ick.
1. The surface of the punch of the single punch press is damaged ₽or the surface finish is reduced, and there may be anti-rust oil or lubricating oil. The surface of± the new mold is rough or the lettering is too deeφp and angular. Punch can be wiped clean. Replace the unqualified die or wipe the surface of theπ lettering punch with a small amount of liquid paraffin✘ to lubricate the end face. In addition, if mechanical heat causes¶ viscous impact, check the cause and repair the equipment.
2. The lettering design is unreasonable, replace the punch or change the character design.
3. The moisture content of the particles is too high or the dry and wet ¶are uneven, resulting in bonding. Countermeasures: control the particle moi•sture content in 2% ~ 3%, strengthen the dry particle inspection.
4. Insufficient or improper selection of lubricants for single-punch taλblet presses, or too much fine powder. Should be appropriate to increase the amount of lu↓bricant or replace the new lubricant. Remove excess fines.
5. The fineness of raw and auxiliary materials varies greatly, resδulting in uneven mixing or improper mixing time. Solution: crushing,δ screening of raw and auxiliary materials, so that its finene€ss in line with the quality requirements of the variety, master and control the mixing time.
6. Due to low glue concentration or poor glue amount, poor adhesion,¶ too much fine powder (more than 10%). Solution: Sift out the fine powder with a 40- mesh sieve, re-granulate, dry, complete the granulatλion, mix the whole batch evenly, and then press.
7. The viscous shock is caused by the raw material itself (e. g. wetting). Solution: add a certain amount of absorbent (such as 3% calcium hydroge♣n phosphate) to avoid adhesion.
8. The environmental humidity is too high, reduce the enviro£nmental humidity.
9. High temperature in the operating room of single-punch tablet press is easy to cause v$iscoelasticity. Attention should be paid to reducing the operating room temperatλure.
Key words:
Laboratory Equipment
Packaging Equipment
pharmaceutical equipment
Pharmaceutical machinery
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