Good Quality Feed Mill - Manufacturer of PTN Series Ring Die for Pellet mill spare parts – Zhengyi
- SHH.ZHENGYI
Good Quality Feed Mill - Manufacturer of PTN Series Ring Die for Pellet mill spare parts – Zhengyi Detail:
● PTN series ring die
PTN pellet mill series ring die is made of high-quality alloy steel or high-chromium stainless steel (German standard X46cr13). It is processed by forging, cutting, drilling, heat treatment and other processes. Through strict production management and quality system, the hardness, die hole uniformity and die hole finish of the production ring die have reached very high quality.
Parameter
S/N | Model | Size OD*ID*overall width*pad width -mm | Hole size mm |
1 | PTN450 | 560*450*180*106 | 1-12 |
2 | PTN580 | 680*580*216*140 | 1-12 |
3 | PTN650 | 791*650*245*175 | 1-12 |
Analysis of Abnormal Situation and Recommended Improvements
Reason Analysis for Broken (normally occurred in
continuous casting of small enterprises)
1. Die broken by drive wheel matching surface
2. Die broken by wearing and deformation of die lining ring.
3. Die broken by waring of driving key.
4. Indentation impressed on the surface of the die for the weakening effect of the de-ironing device, and then cause die to crack.
5. Small opening between the die and the compression roller.
6. Die broken by small compression ratio, small diameter fish feed die without pressure-relief vent.
No. | Appearance | Reasons | Solutions |
1 | Particle bends, with cracks |
|
|
2 | With transversal crack |
|
|
3 | Vertical cracks |
|
|
4 | Radiative cracks | Large particles exist (half an oorn or whole corns left) | Control the fineness of raw materials, increase grinding evenness. |
5 | Surface unevenness |
|
|
6. | Whisker like pellet | Too much steam and too large pressure, pellet cracks when left the die. | 1. Reduce steam pressure, use low-pressure steam (15 – 20psi)for conditioning. 2. Check the position of the reducing valve. |
Product detail pictures:


Related Product Guide:
The corporation keeps to the operation concept scientific management, superior quality and performance primacy, consumer supreme for Good Quality Feed Mill - Manufacturer of PTN Series Ring Die for Pellet mill spare parts – Zhengyi , The product will supply to all over the world, such as: Qatar , Stuttgart , Liverpool , Now we have a excellent team supplying specialist service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our solutions.

The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
