Rotary tablet press die mounting method:
Before the die device, first remove the hopper, powder feeder, feeder frame and other parts, and wipe the working surface of the turntable, the die hole and the installed die one by one, and prepare for it. Follow the steps below to install.
(1) Medium-mold device: the medium-molded fastening screws on the turntable are made one by one with the outer circle area of ​​the turntable. Do not let the middle mold fit into the head of the screw. The medium-mold device is very tight. Flat, you can use the middle die to hit the bar (random tool), then punch through the punch, for the hammer to gently enter, the middle die into the die. The plane of the hole shall not be higher than the plane of the turntable, and then the screw is fastened.
(2) Overshooting device: The tongue of the upper rail plate should be inserted into the tongue, and the vegetable oil should be applied to the tail of the middle rod. Insert the piece into the hole one by one, and rotate the punch with the thumb and forefinger to check that the head enters the middle mold. And the rotation is flexible, and no hard rubbing is required. After all the fittings, the tongue should be pulled down.
(3) Undershooting device: Pull the small door on the main body and install it from the round hole of the main body. The loading method is the same as the upper punching. After the loading, the wafer must be flattened.
(4) After the dies are fully assembled, the removed parts are installed in the original position, and the test wheel is rotated by hand, so that the turntable rotates 1-2 turns, and the upper and lower punches enter the middle die hole and act on the curve guide. Must be flexible, no collision and hard rubbing, start the motor, make the empty car run for 2-3 minutes, and put it into production smoothly and normally.
Rotary tablet press use precautions:
1. The quality of the die must be checked repeatedly before use, whether there are missing edges, cracks, deformation and looseness, and whether the device is intact and good.
2. Check whether the powder of the granular material is dry and the powder content in the granules is not more than 10%. If it is not qualified, do not press hard, otherwise it will affect the normal operation and service life of the machine and the loss of raw materials.
3. The initial test machine should control the pressure regulator in the small size of Zui, pour the powder into the bucket, turn the test wheel by hand, adjust the filling and pressure, and gradually increase the weight and hardness of the tablet to meet the finished product requirements. Then, start the motor and carry out the formal operation and production. During the production process, the quality of the tablets should be checked regularly, whether it meets the requirements, and if necessary, adjust.
4. The choice of speed has a direct impact on the service life of the machine. Due to the intrinsic viscosity of the material and the size and pressure of the material, the structure of the machine can not be uniformly defined. The structure of the machine is a stepless speed change device (slow speed is suitable for pressing minerals, Plant grass, large diameter, viscosity difference, etc. and fast and difficult to shape materials. Quickly suitable for press bonding, good lubricity and easy to form materials.) Therefore, the user must be based on actual conditions.
5. The management personnel must be familiar with the technical performance of the machine, the internal structure, the use principle of the control mechanism and the period of operation, and must not leave the working place, in order to prevent damage to the machine parts, so as to ensure safe production.
6, in the use should always pay attention to the normal sound of the machine, in the event of screams and strange sounds to stop the inspection, not to use barely.
7. Do not remove the protective cover, safety cover, etc. on the machine and equipment, and install it when using it.
8. The die needs to undergo strict flaw detection test and shape inspection. It should be crack-free, deformed, missing, and the hardness is suitable and the size is accurate. If it is unqualified, do not use it to avoid serious damage to the machine.
9. The feeding device and the turntable are flat, high and low accurate. If it is high, it will cause leakage of powder, while at low, it will affect the quality of the tablet.
10, do not use more raw materials, because it will make more powder on the upper, more leakage under the impact, affecting the wear and tear of the parts and the loss of raw materials.
11. Do not use raw materials that are not dry, because it will make the powder stick to the surface of the punch. 12. If there is a jumper or stagnation during operation, do not use it to avoid accidents.
13. If the machine vibration is abnormal or abnormal noise occurs during use, stop the machine immediately.
14. The difference in tablet weight is increased. In the process of adding the film, the difference in weight cannot exceed the limit prescribed by the Pharmacopoeia, and it is qualified. However, in the process of tableting, the difference in the weight of the tablet is often found to increase. The reasons and treatment are as follows:
(1) The length of the punch is not uniform, which may cause the difference in the weight of the tablet to increase. Therefore, each punch is qualified before use before use. If there is an individual decrease, the undershoot may be malfunctioning, resulting in a higher filling amount of the particles. Others are less, and individual undershoots should be checked to remove obstacles.
(2) If the hopper height is low, the granules in one hopper can be dropped quickly, and the granules accumulated on the feeder are more. The speed of the granules in the other hopper is slower, and the feeder is on the feeder. The accumulation of particles is small, resulting in imbalance when the particles are added to the die hole. The position of the hopper can be adjusted so that the particles in the two hoppers should be kept at a certain amount and the falling speed is equal, and the particles accumulated on the two feeders are similar, and The particles can be uniformly added to the die holes.
(3), the particle causes the change of the tablet weight, the particles are too wet, the fine powder is too much, the difference between the particle thickness and the particle size, and the insufficient lubricant in the particle can also cause the change of the slice weight difference, and the particle quality should be improved.
(4) The cause of the change in the weight of the piece is caused by the failure of the tablet press or the negligence of the work. Therefore, during the tableting process, the maintenance work of the machine should be done, and the damage of the machine parts should be checked in detail. The film is weighed once every certain time (10-20 minutes), and the weight of the film is in accordance with the regulations.
Before the die device, first remove the hopper, powder feeder, feeder frame and other parts, and wipe the working surface of the turntable, the die hole and the installed die one by one, and prepare for it. Follow the steps below to install.
(1) Medium-mold device: the medium-molded fastening screws on the turntable are made one by one with the outer circle area of ​​the turntable. Do not let the middle mold fit into the head of the screw. The medium-mold device is very tight. Flat, you can use the middle die to hit the bar (random tool), then punch through the punch, for the hammer to gently enter, the middle die into the die. The plane of the hole shall not be higher than the plane of the turntable, and then the screw is fastened.
(2) Overshooting device: The tongue of the upper rail plate should be inserted into the tongue, and the vegetable oil should be applied to the tail of the middle rod. Insert the piece into the hole one by one, and rotate the punch with the thumb and forefinger to check that the head enters the middle mold. And the rotation is flexible, and no hard rubbing is required. After all the fittings, the tongue should be pulled down.
(3) Undershooting device: Pull the small door on the main body and install it from the round hole of the main body. The loading method is the same as the upper punching. After the loading, the wafer must be flattened.
(4) After the dies are fully assembled, the removed parts are installed in the original position, and the test wheel is rotated by hand, so that the turntable rotates 1-2 turns, and the upper and lower punches enter the middle die hole and act on the curve guide. Must be flexible, no collision and hard rubbing, start the motor, make the empty car run for 2-3 minutes, and put it into production smoothly and normally.
Rotary tablet press use precautions:
1. The quality of the die must be checked repeatedly before use, whether there are missing edges, cracks, deformation and looseness, and whether the device is intact and good.
2. Check whether the powder of the granular material is dry and the powder content in the granules is not more than 10%. If it is not qualified, do not press hard, otherwise it will affect the normal operation and service life of the machine and the loss of raw materials.
3. The initial test machine should control the pressure regulator in the small size of Zui, pour the powder into the bucket, turn the test wheel by hand, adjust the filling and pressure, and gradually increase the weight and hardness of the tablet to meet the finished product requirements. Then, start the motor and carry out the formal operation and production. During the production process, the quality of the tablets should be checked regularly, whether it meets the requirements, and if necessary, adjust.
4. The choice of speed has a direct impact on the service life of the machine. Due to the intrinsic viscosity of the material and the size and pressure of the material, the structure of the machine can not be uniformly defined. The structure of the machine is a stepless speed change device (slow speed is suitable for pressing minerals, Plant grass, large diameter, viscosity difference, etc. and fast and difficult to shape materials. Quickly suitable for press bonding, good lubricity and easy to form materials.) Therefore, the user must be based on actual conditions.
5. The management personnel must be familiar with the technical performance of the machine, the internal structure, the use principle of the control mechanism and the period of operation, and must not leave the working place, in order to prevent damage to the machine parts, so as to ensure safe production.
6, in the use should always pay attention to the normal sound of the machine, in the event of screams and strange sounds to stop the inspection, not to use barely.
7. Do not remove the protective cover, safety cover, etc. on the machine and equipment, and install it when using it.
8. The die needs to undergo strict flaw detection test and shape inspection. It should be crack-free, deformed, missing, and the hardness is suitable and the size is accurate. If it is unqualified, do not use it to avoid serious damage to the machine.
9. The feeding device and the turntable are flat, high and low accurate. If it is high, it will cause leakage of powder, while at low, it will affect the quality of the tablet.
10, do not use more raw materials, because it will make more powder on the upper, more leakage under the impact, affecting the wear and tear of the parts and the loss of raw materials.
11. Do not use raw materials that are not dry, because it will make the powder stick to the surface of the punch. 12. If there is a jumper or stagnation during operation, do not use it to avoid accidents.
13. If the machine vibration is abnormal or abnormal noise occurs during use, stop the machine immediately.
14. The difference in tablet weight is increased. In the process of adding the film, the difference in weight cannot exceed the limit prescribed by the Pharmacopoeia, and it is qualified. However, in the process of tableting, the difference in the weight of the tablet is often found to increase. The reasons and treatment are as follows:
(1) The length of the punch is not uniform, which may cause the difference in the weight of the tablet to increase. Therefore, each punch is qualified before use before use. If there is an individual decrease, the undershoot may be malfunctioning, resulting in a higher filling amount of the particles. Others are less, and individual undershoots should be checked to remove obstacles.
(2) If the hopper height is low, the granules in one hopper can be dropped quickly, and the granules accumulated on the feeder are more. The speed of the granules in the other hopper is slower, and the feeder is on the feeder. The accumulation of particles is small, resulting in imbalance when the particles are added to the die hole. The position of the hopper can be adjusted so that the particles in the two hoppers should be kept at a certain amount and the falling speed is equal, and the particles accumulated on the two feeders are similar, and The particles can be uniformly added to the die holes.
(3), the particle causes the change of the tablet weight, the particles are too wet, the fine powder is too much, the difference between the particle thickness and the particle size, and the insufficient lubricant in the particle can also cause the change of the slice weight difference, and the particle quality should be improved.
(4) The cause of the change in the weight of the piece is caused by the failure of the tablet press or the negligence of the work. Therefore, during the tableting process, the maintenance work of the machine should be done, and the damage of the machine parts should be checked in detail. The film is weighed once every certain time (10-20 minutes), and the weight of the film is in accordance with the regulations.
Disposable Breathing Mask,Disposable Face Mask,Easy Breathing Face Mask,Medical Sterile Surgical Face Masks
Shaoxing Weijian Medical Supplies Co.,Ltd. , https://www.wetourmedical.com