Qingdao Yonghui Packaging Machinery Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 1500 sets per year |
| Delivery Time | 60-90 days |
| Packaging Details | Wooden Boxes |
| Material | 50CrMo precision forged alloy steel |
| Coating | American Praxair super hard 1342 tungsten cabide powder 0.06-0.08mm |
| Heating treatment | Intermediate frequency quenching |
| Hardness | >HRC58 after hardening 8-12mm |
| Micro hardness | HV1250-1400 |
| Flute type | C flute 3.8mm |
| Warranty | 35million linear meters or 1 year, whichever comes first |
| Finishing | Ra <0.6μm |
| Brand Name | YH |
| Model Number | 2200mm×380mm |
| Place of Origin | Made in China |
| Certification | ISO9001 |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1500 sets per year |
| Delivery Time | 60-90 days | Packaging Details | Wooden Boxes |
| Material | 50CrMo precision forged alloy steel | Coating | American Praxair super hard 1342 tungsten cabide powder 0.06-0.08mm |
| Heating treatment | Intermediate frequency quenching | Hardness | >HRC58 after hardening 8-12mm |
| Micro hardness | HV1250-1400 | Flute type | C flute 3.8mm |
| Warranty | 35million linear meters or 1 year, whichever comes first | Finishing | Ra <0.6μm |
| Brand Name | YH | Model Number | 2200mm×380mm |
| Place of Origin | Made in China | Certification | ISO9001 |
| High Light | Fuli SF22NA Corrugating Rolls ，C Flute corrugated roller ，Fuli SF22NA corrugated roller | ||
Tungsten Carbide Alloy Steel Corrugating Rolls For Fuli SF22NA Fingerless Single Facer
| Product name | Corrugating rolls, corrugated roller |
| Material | 50CrMo |
| Application | Single facer, corrugator machine |
| Diameter | 200-600mm |
| Width | 1000-2800mm |
| Flute Profile | A, C, B, E, F, G, N, O |
| Heating Treatment | Intermediate frequency quenching treatment |
| Hardness | ≥HRC58 after heating treatment, harden layer 8-12mm |
| Coating | Tungsten carbide, hard chrome 0.06-0.08mm |
| Corrugator line | BHS, Fosber, BW Paper System, Hsieh Hsu, K&H, JS, Fuli, Wanlian, Taiwan Mingwei, Chinese Mingwei, Meiguang, Dongguang, Dpack, Xinguang, Xieyang, Shengli, Indian machine, etc. |
Corrugating rolls are the core element of each corrugator and are essentially responsible for the quality of the corrugated board and the productivity of the corrugator.
1. Strict Selection of Alloy Steel Corrugating Rolls Material
Raw material use special 50CrMo alloy refined forging steel, the steel body wall thickness is more than 70mm.
2.Precision Welding Make Inseparable
Both ends of the roller body should be heated to release the size of the inner bored hole. After the spindle heads are put in, the roller body and the spindle heads should be held tightly after natural cooling.
3. Advanced Equipments
Advanced CNC machine equipped with Germany’s Siemens control system increase corrugated roller precision in the maximum degree that error limits should be controlled ±0.01mm.
High precison grinding machine with Siemens CNC system.
The tungsten carbide alloy steel corrugating roll's surface finish degree can reach Ra<0.6μm, which will improve the accuracy of the flute profile, and make sure the quality of the corrugated roller.
Polishing machine
4. QC
Flute profile test and paper test would take during grinding, after coating, after polising and finished prodcuts inspection. We make sure every set of corrugating rolls 100% qualified.
5. Precision
| Item | Index |
| Gear teeth height limits of deviation | ≤ 0.01mm |
| Addendum circle run out tolerance | ≤ 0.02mm |
| Gear teeth width limits of deviations | ≤ 0.015mm |
| Tooth profile limits of deviations | ≤ 0.01mm |
| Gear lateral face counter shaft parallelism | ≤ 0.01mm |
| Tip cylinder element linear | ≤ 0.01mm |
| Gear teeth division limits of deviations | ±10" |
| Smooth finish | Ra<0.6µm |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2004
Total Annual:
10000000-20000000
Employee Number:
80~150
Ecer Certification：
Site Member
Zhejiang Yonghui Corrugated Roller Co., Ltd. is a professional manufacturer of high-quality corrugated rollers with professional production equipment and strong technical strength. Since its establishment in 2004, we have been devoted to the design and research and development of high-q... Zhejiang Yonghui Corrugated Roller Co., Ltd. is a professional manufacturer of high-quality corrugated rollers with professional production equipment and strong technical strength. Since its establishment in 2004, we have been devoted to the design and research and development of high-q...
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