The source of pig feed is very wide. There are many raw materials in life that can be used to feed pigs, but if they are improperly fed, they will cause poisoning of pig feed and cause economic losses. Therefore, the following 10 kinds of feed should not be fed to pigs.
1. Greened, germinated potatoes: Because they contain a lot of solanine, it can cause toxic paralysis in pigs.
2. Sweet potato with black spot disease : Sweet potato with black spot disease is very toxic to pigs. It is strictly forbidden to eat sweet potato, dried potato, potato skin, powder residue with black spot, and black spot disease. Sweet potato water.
3. Sorghum. Seedlings of corn: Sorghum and corn seedlings contain more hydrocyanic acid saccharides, which can cause hydrogen cyanide poisoning after eating.
4. Long-term green feed: Juicy vegetables, leaves, grass and other long-term piles will heat up and rot, or store in the pot for a night after cooking, and then use it to feed pigs easily lead to pig nitrite poisoning.
5. Poisonous parsley, wild sheep and other poisonous grasses: Poisonous celery is also called wild celery. It is a perennial herb of the umbelliferae family. The roots and stems contain the alkaloid "poisonin"; the wild sheep flower is also called yellow flower grass, yellow rhododendron, and The mountain yellow is often grown on hillsides, stone crevices and bushes, and the leaves and flowers contain toxic components of azalea.
6. Forages that spray pesticides: Forages that have just been sprayed with pesticides should not be used as feed. It is best to wait for rain or use for 1 month.
7. White wine distiller: The distiller's grains are high in alcohol concentration, and the fiber content is too high to be used for feeding pigs.
8. Raw bean products: Raw soybeans, black beans, peas, broad beans and green bean cake, raw bean curd and other products contain anti-trypsin, hemagglutinin and other harmful substances, and pigs are prone to diarrhea after eating. Therefore, it is best to boil it for 15 minutes, and the toxin is decomposed and fed.
9. Non-detoxified cottonseed cake and rapeseed cake : cottonseed cake contains a natural toxin, gossypol, which is toxic to pigs; antibiotics such as glucosinolate, erucic acid, tannin and saponin are present in rapeseed cake. Nutritional factors, which cause slow growth, poisoning, and even death after pig food.
10. Moldy and deteriorated feed: After the mold is mildewed, it contains a lot of toxins such as aflatoxin. After eating, pigs will quickly develop symptoms such as diarrhea, convulsions and even death.
Thin wall ball bearings are simple in structure and easy to use. Mainly used to bear radial load, but when the radial clearance of the bearing is increased, it has a certain performance of Angular Contact Ball Bearing and can bear combined radial and axial load.
When the speed is high and thrust ball bearings are not suitable, thin wall ball bearings can also be used to bear pure axial loads. Compared with other types of bearings of the same size, this type of bearing has a small friction coefficient and a high limit speed. But it is not impact resistant and not suitable for heavy loads.
Thin wall ball bearings have a bearing inner diameter and outer diameter ratio less than a specified value. The ratio of bearing outer diameter to bearing inner diameter is 1.25 or less. It is called thin wall ball bearings, which means that the outer diameter-inner diameter value of the bearing is very small and the bearing wall is very thin.
The precision required by thin wall ball bearings is very high, because the wall is very thin, so the weight it can carry is also very low, and the impact resistance is very poor, so this must be selected according to the use environment!
Characteristics
The specific use of thin wall ball bearings:
Model airplanes, remote control cars, machine tools, motors, water pumps, agricultural machinery, textile machinery, laser printers, instruments, measuring instruments, electronic accessories, motors, motors, etc.
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