
| Production Output | 1-10 t/h |
| Power | Electric motor |
| Voltage | 110-415V |
| Raw Materials | Cereal, corn, wheat, barley, soybean etc |
| Type | Water-drop type Fish Feed Grrinder |
| Final product size | 0.4mm – 4.0mm |
| Application | grinding raw materials into fine powder |
| Used For | grinding fish feed |
Water Drop Fish Feed Crusher Machine
The water-drop fish feed crusher machine is an advanced hammer mill which is engineered specifically to solve the complicated problem of ultra-fine aquatic feed production. When processing high-fat ingredients like fish meal, maize/corn, soybean, rice, wheat etc, while some standard fish feed grinder machine often blocks the screen.
This specialized fish feed grinder utilizes an optimized grinding chamber which can achieve a precise 0.4mm – 4.0mm micro-grinding size without clogging. The ultra-fine powder size is the key factor for optimal fish feed extrusion process. It can prevent extruder die blockage and ensure complete starch gelatinization. Thus the finished pellets get maximum expansion and higher water stability for both high-quality floating and sinking fish feed.
Why Ultra-Fine Grinding Matters for Floating Fish Feed
It is very different between making floating fish feed and making normal aquafeed pellet feed. If you want to make good floating fish feed, you must crush the raw materials into ultra-fine powder which is usually 0.4mm – 4.0mm. The fish feed grinder machine must work perfectly with the feed extruder machine. Let’s look at why this micro-grinding size is so important.
- Protect the Extruder Machine: The die holes of the extruder will be easily blocked if the powder materials are too big, because the extruder machine works at high heat and high pressure. This can protect your machine and your production running without any stop.
- Better Floating and Cooking: The starch in the raw materials must be cooked fully if you want the feed pellet can float on the water for a long time. Micro-grinding size makes the powder mix with steam very fast inside the extruder. This makes the pellet puff up very well, and floats longer and won’t break easily in the pond water.
- Easy for Fish to Digest: Fish, especially baby fish can not digest big pieces of food having very short intestines. It can help the fish stomach absorb the nutrition easily if you grind the fish meal and grain into 0.4mm-4.0mm. This will make them grow faster and reduce feed waste, also keep your fish pond clean.


Features and Advantages of Fish Feed Grinder Crusher Machine
- Optimized for Micro-Grinding: Specifically engineered to achieve the 0.4mm – 4.0mm ultra-fine powder required for high-quality floating aquatic pellets.
- Seamless Extruder Integration: The micro-size powder output prevents extruder die blockages, and ensure non-stop high-temperature cooking and puffing.
- Water Drop Chamber Design: Increase the grinding space by 40%, and prevent moist or oily fish meal materials from sticking to the screen walls.
Recommended Grinding Sizes for Different Fish Pellets
You have to use the right screen hole size on the fish feed grinder machine to make different sizes of floating fish feed. Below is a reference guidance for you:
| Final Fish Pellet Size | Suitable Grinder Screen Size (mm) | Used For |
| 0.9 – 1.0 mm | 0.5-1.0 mm | Baby fish / Fry |
| 1.5 – 2.0 mm | 1.0-1.5 mm | Fingerling / Small fish |
| 3.0 – 4.0 mm | 2.0-2.5 mm | Grow-out fish / Adult fish |
| 5.0 mm and above | 3.0-4.0 mm | Big fish / Broodstock |
(Note: The grinding screen size must always be smaller than the final pellet size you want to make from the extruder machine.)


Technical Specification of Fish Feed Grinder Crusher Machine
| Model | SDFS 56*36 | SDFS 56*40 | SDFS 60*30 | SDFS 60*45 | SDFS 60*60 | SDFS 60*75 |
| Capacity(t/h) | 2-3 | 3-5 | 5-7 | 7-9 | 9-11 | 11-13 |
| Power (kw) | 18.5/22 | 30/37 | 18.5/22 | 45/55 | 75/90 | 90/110 |
| rotor diameter (mm) | 560 | 560 | 600 | 600 | 600 | 600 |
| Chamber Width (mm) | 360 | 400 | 300 | 450 | 600 | 750 |
| hammer speed (m/s) | 86 | 86 | 94 | 94 | 94 | 94 |
| rotor speed (r/min) | 2980 | 2980 | 2980 | 2980 | 2980 | 2980 |
| Sieve hole size (mm) | 0.4, 0.5, 0.6, 0.8, 1.2, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 | |||||
