Rotary tablet machine parts lubrication:
1, the general lubrication of the machine parts, in the appearance of the machine are equipped with oil cup and oil nozzle, can be injected with butter and oil according to the type of oil cup, should be all refueled before use, halfway can be added according to the temperature rise and operation of each bearing.
2, the top cover of the glass oil cup is to lubricate the bearing of the turntable, in transit at 2-4 drops per minute.
3. The screw cap oil cup on the worm is to lubricate the worm wheel, which is added according to the actual lubrication in operation.
4. The two ends of the drive shaft are equipped with rolling bearings, and the shaft housing is equipped with an oil nozzle, which can be refueled once every two weeks and pressed into the oil gun.
5, the tail of the punch rod and the curve rail guide with butter lubrication, pay attention to not too much to prevent oil from penetrating into the powder and affecting the quality of the tablet.
6, when refueling should be careful not to make the oil ooze out of the cup, not to flow to the machine around and on the ground, because the oil is easy to pollute the material and affect the quality of the tablet.
Rotary tablet press note:
1, the protective cover, safety cover and other devices on the machine equipment should not be removed, and should be installed when used.
2, the die needs to undergo strict inspection test and shape inspection, to no crack, deformation, lack of edges, hardness appropriate and size accurate, such as unqualified do not use, so as to avoid serious damage to the machine.
3, the particle powder should not exceed 100 mesh, because it will make the upper flushing fly powder, the lower flushing leakage, affecting the machine parts easy to wear, sticky punching and raw material loss.
4, do not use the raw material that is not dry, because it will make the powder stick to the punch surface.
5, if there is a jump or stagnation in the operation, it must not be taken by hand to avoid injury to the hand accident.
6, driving should start the motor first, after normal operation, then start the clutch.
7, if the use of the machine vibration abnormal or abnormal noise, should immediately stop to check.
8, the pressure should not be too large in use, generally measured by the load of the motor, with 380 volt motor in the pressure of the heavy load current does not exceed 4 times of normal.
9, the difference in tablet weight increase: in the process of adding tablets, the weight difference can not exceed the limit prescribed by the pharmacopeia, the qualified, but in the pressure process, often found that the difference in tablet weight increase, the reasons are summarized as follows:
(1) The length of the punch is uneven: it is easy to cause the difference in the weight of the piece to increase, so the caliper will check each punch before use. If the amount of individual pieces is light, it can be due to the failure of the downstroke movement, resulting in less filling of particles than others, and individual downstroke removal obstacles should be checked.
(2) The hopper or pellet filler is blocked: when pressing the tablet, if the particles used are small, sticky or wet, and the particles occasionally have cotton yarn heads, tablets and other foreign bodies mixed, the flow is not smooth, so that the particles added to the die hole are reduced, affecting the weight of the tablet, if the weight is suddenly reduced, it should be stopped for inspection.
(3) Particles cause changes in flake weight: the particles are too wet, the fine powder is too much, the particle thickness difference is too large, and the lubricant in the particles is insufficient, which can also cause changes in the flake weight difference, and the particle quality should be improved.
(4) The cause of the change in sheet weight, the general situation is caused by the failure of the tablet machine or the negligence of the work, so in the process of tablet pressing, we should do a good job of maintenance work, check the damage of the parts in detail, and weigh the piece weight once at a certain time (10-20 minutes), and whether the piece weight is in accordance with the regulations.
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