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Product Name: Trunnion Head / End Cover for Rotary Kiln and Ball Mill
Process: Steel Casting + CNC Machining + Heat Treatment
Material: ZG230-450, ZG35SiMn, ZG42CrMo, Carbon Steel, Customized Alloy
The trunnion head (also called mill end cover) is a critical component of rotary equipment like ball mills, cement mills, and rotary kilns. It connects the rotating body and supporting bearings, ensuring smooth rotation and structural stability under heavy loads.
Tenfaye manufactures large-scale trunnion heads using advanced casting and heat treatment technologies. With more than 20 years of industry experience, we provide custom OEM/ODM solutions for global equipment manufacturers.
| Item | Specification Range |
|---|---|
| Outer Diameter | 800 mm - 4500 mm |
| Weight | 0.5 Ton - 30 Tons |
| Material | ZG230-450 / ZG35SiMn / ZG42CrMo / Alloy |
| Casting Method | Sand Casting / Resin Sand Casting |
| Machining | CNC Turning, Boring, Drilling |
| Heat Treatment | Annealing / Normalizing / Quenching |
| Surface Hardness | HB170 - 240 (as required) |
| NDT | UT/MT/PT per ISO standard |
| Dimensional Tolerance | As per DIN/ASTM/GB standard |
| Certification | ISO 9001, ISO 14001, CE on request |
Cement Industry
Mining and Ore Processing
Metallurgy
Power Plants
Industrial Kiln Equipment
High-strength casting for heavy-duty rotary equipment
Precise machining for smooth mill operation
Excellent fatigue resistance and dimensional accuracy
Full customization of size, shape, and steel grade
Strict quality control and traceable manufacturing
Huixian Tengfei Manchinery Manufacturing Co,. Ltd
Tenfaye ,founded in 2006, is located in Xinxiang City, Henan Province, which is a well-known national casting hub. Spanning an area of 100,000 square meters, our company employs over 400 professionas.
As a national high-tech enterprise, we specialize in the research, manufacturing, and servicing of castings made from carbon steel, manganese steel, low-alloy steel, and stainless steel. Our expertise lies in producing castings that weigh below 150 tons.
Tenfaye has achieved ISO9001 international quality management system certification. We take pride in our 5 scientific and technological achievements, recognized by Henan Province, and hold an impressive portfolio of 20 utility model patents. Our dedication to environmental responsibility is evident through our classification as a Class B environmental performance-rated enterprise. The operating rate of Tenfaye has reached over 95%.
Tenfaye has achieved ISO9001 international quality management system certification. We take pride in our 2 scientific and technological achievements, recognized by Henan Province, and hold an impressive portfolio of 20 utility model patents. Our dedication to environmental responsibility is evident through our classification as a Class B environmental performance-rated enterprise.
Q: Does the production of Tenfaye provide customized services?
A: Yes, Tenfaye can customize according to the customer's drawings and technical requirements.
Q: Can it be tempered?
A: Yes, Tenfaye can temper according to the customer's requirements for hardness.
Q: When is the delivery time of the product?
A: Different products have different production cycles. After the customer pays, the factory will immediately start 24-hour production. 2-3 groups of workers work in shifts and rest to deliver the product as soon as possible.
Q: What is your minimum order quantity?
A: Tenfaye's minimum order quantity is 1 ton, and steel castings below 150 tons can be produced.
Q: Do you provide quality control and inspection documents?
A: Yes, we have strict quality control standards. And customers can come to the factory to check and inspect.
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