How To Correctly Install The Die Of Tablet Press Machine

How To Correctly Install The Die Of Tablet Press Machine

The die plays a very important role in the use of tablet press, which directly affects the weight difference and hardness of tablets. Therefore, the installation must be correct. The methods are as follows:

1、 Before installing the die of the rotary tablet press, the working surface of the punching plate, the upper and lower die holes, the middle die holes, the top screw of the middle die, the oil receiving ring, the inserting plate, the copper ring, the powder scraper, the guide, the large and small cover plates, the dust shield, the tablet outlet, the feeding shoe, the transmission rod, the hopper and the die of the tablet press to be installed shall be wiped clean one by one with 75% ethanol solution.

Open the lower door panel on the left side of the full-automatic tablet press and remove the stop.

2、 Installation of intermediate formwork

Align the middle die of the rotary tablet press with the middle die hole and lay it flat. At this time, punch the rod through the upper punching hole, gently tap the middle mold with a hammer, and it is qualified that the plane of the middle mold is not higher than the plane of the turntable, and then install and tighten the top screw of the middle mold.

3、 Installation of die insert plate, copper ring, powder scraper, guide and tablet outlet of tablet machine

Insert the insert plate into the correct position and tighten the screws. Connect the copper ring with the powder scraper, push it into the turntable, and fix the powder scraper with hexagon screws at the correct position. Principle of installing and removing copper ring and powder scraper: install and remove them at the same time. Attention shall be paid to when installing the guide: the guide shall be higher than the plane of the punch, and the height shall be 1 / 2 of the thickness of the tablet. Then install the sheet outlet, which shall not be in contact with the turntable to avoid friction.

4、 Installation of lower punch of tablet rotary tablet press

Apply lubricating oil to the lower punch rod of the automatic rotary tablet press, align it with the hole of the lower punch die and push it in (pushing method: hold the lower punch tail with the palm of your right hand and push it up gently, and other actions may cause injury). After installing the punches in turn, install the stop. Then turn the turning gear manually for 2-5 weeks, and it is qualified if there is no abnormal sound.