(1) The motor rotor and the universal crusher rotor are not concentric. The position of the motor can be moved left or right, or a pad can be added under the motor foot to adjust the concentricity of the two rotors.
(2) The reason why the rotor of the universal crusher is not concentric is that the two supporting surfaces of the support rotor shaft are not in the same plane. Copper sheets can be placed on the bottom surface of the support bearing seat, or adjustable wedges can be added at the bottom of the bearing to ensure that the two shaft heads are concentric.
(3) The vibration in the crushing chamber is relatively large, which is caused by the non concentric connection between the coupling and the rotor or the uneven quality of the flat ultra micro crusher hammer pieces inside the rotor. Corresponding methods can be used to adjust the connection between the coupling and the motor according to different types of couplings. When the hammer pieces have uneven quality, each group of hammer pieces must be re selected to make the symmetrical hammer pieces, so that the error of the symmetrical hammer pieces is less than 5G.
(4) The original balance has been damaged, and after the motor is repaired, a dynamic balance test must be conducted to ensure the overall balance.
(5) The foundation bolts of the universal crusher system are loose or the foundation is not firm. When installing or repairing, it is necessary to tighten the foundation bolts evenly. A shock absorber device should be installed between the foundation and the crusher to reduce vibration.
The emergence of low-temperature pulverizers is to solve this problem. The application of low-temperature pulverization technology in powder pharmaceuticals has made low-temperature pulverizers shine brightly. The universal pulverizer low-temperature pulverizer has the following feasibility:.
1. Crushing of active cells: Currently, we know that cell cryopreservation technology can ensure the activity of cells. Similarly, it is advisable to use cryopreservation technology to crush drugs. A low-temperature pulverizer first freezes the drugs and freezes them using liquid nitrogen cryopreservation method. The drugs we need to crush are cooled directly to the dormant state of the cells, and then crushed using a low-temperature pulverizer, But it is necessary to avoid the local high temperature generated during the crushing process to awaken active cells.
2. Crushing spores and saponins: Plants with saponins also undergo molecular recombination during the room temperature crushing process. Local high-temperature ginsenosides will degrade into other substances, and fungal spores using the room temperature wall breaking method will also damage the original components of the spores.
