Precise control of raw material particle size is crucial to meet the processing requirements of cat food making machines. The small gap between the screw and extrusion chamber in an extruder means that uneven raw material particle size increases feeding resistance, leading to screw jamming and reduced production capacity. When producing pet food, raw materials should be ground to 80-120 mesh, depending on the model of the small pet food extrusion equipment machine and the type of feed. For grains (corn, wheat), it is recommended to grind to 100-120 mesh, and for protein raw materials (fish meal, soybean meal), to 80-100 mesh. For example, when using a twin-screw extruder to produce fine pelleted kitten food, grinding raw materials such as corn and chicken meal to 120 mesh allows for smoother flow within the extrusion chamber, resulting in more complete extrusion and increasing production capacity by 15%-20%. Regular inspection of the grinder screen is also necessary to prevent screen damage that could lead to large particles being mixed in, affecting subsequent processing efficiency.
Scientifically controlling the moisture content of raw materials ensures efficient operation of the floating fish feed pellet extruder machine. Both excessively high and low moisture content in raw materials will affect the production efficiency and feed quality of a dog food pellet machine. Excessive moisture causes the raw materials to stick to the screw and the inner wall of the extrusion chamber, increasing frictional resistance and reducing the feed speed. Insufficient moisture makes the raw materials too fluid, preventing the formation of stable pressure during extrusion and affecting pellet formation. Considering the working characteristics of a dog food pellet machine for home, the optimal moisture content of the raw materials should be controlled between 12% and 15%, with 12%-13% for floating pet food and 13%-15% for sinking feed. For example, when producing dog food, the moisture content can be adjusted by adding warm water or sun-drying. After optimization, the hourly output of the pellet machine can be increased by 10%-15%, while reducing screw wear and extending the equipment's lifespan.
Improving the uniformity of raw material mixing is also crucial to avoid localized imbalances that affect efficiency. Pet food is often a compound formula; uneven mixing can lead to insufficient extrusion in certain areas, resulting in poor pellet formation and excessive fragmentation, increasing subsequent screening costs and indirectly reducing production efficiency. It is recommended to use a horizontal twin-shaft mixer, with a mixing time of 8-12 minutes to ensure uniform distribution of all raw materials (including vitamins, minerals, and other additives). The mixed materials should be promptly fed into the pellet mill hopper to prevent stratification due to prolonged storage.
Related equipment
| Model |
Power |
Mold Hole |
Capacity for industrial solid |
Capacity for biomass |
Pellet size(mm) |
| MKYK-36 |
45kw |
36 |
0.5-1.0 |
1.0-1.5 |
32*32*50-100 |
| MKYK-48 |
75kw |
48 |
1.0-1.5 |
1.5-2.5 |
32*32*50-100 |
| MKYK-72 |
110kw |
72 |
2.0-2.5 |
2.5-3.5 |
32*32*50-100 |
| MKYK-90 |
132kw |
90 |
2.0-2.5 |
3.5-5.0 |
32*32*50-100 |
| MKYK-120 |
200kw |
120 |
3.0-4.0 |
4.0-6.0 |
32*32*50-100 |
| MKYK-150 |
250kw |
150 |
4.0-6.0 |
6.0-10.0 |
32*32*50-100 |
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