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 | 60-80μm, American Praxair super hard 1342 tungsten cabide powder |
| Width | 2250mm×Φ350mm |
| Heating treatment | Intermediate frequency quenching |
| Hardness | >HRC58 after hardening |
| Harden layer depth | 8-12mm |
| Micro hardness | HV1250-1400 |
| Flute type | C flute 3.65mm |
| Warranty | 35million linear meters or 1 year, whichever comes first |
| Finishing | Ra <0.6μm |
| Brand Name | YH |
| Model Number | 2250mm×350mm |
| Place of Origin | Made in China |
| Certification | ISO9001 |
View Detail Information
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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 | 60-80μm, American Praxair super hard 1342 tungsten cabide powder |
| Width | 2250mm×Φ350mm | Heating treatment | Intermediate frequency quenching |
| Hardness | >HRC58 after hardening | Harden layer depth | 8-12mm |
| Micro hardness | HV1250-1400 | Flute type | C flute 3.65mm |
| Warranty | 35million linear meters or 1 year, whichever comes first | Finishing | Ra <0.6μm |
| Brand Name | YH | Model Number | 2250mm×350mm |
| Place of Origin | Made in China | Certification | ISO9001 |
| High Light | C Flute Corrugating Rolls ，HRC58 Steel Corrugating Rolls ，HRC58 Alloy Steel Corrugating Rolls | ||
C Flute Alloy Steel Corrugating Rolls , Steam Heating Tungsten Carbide Corrugator Rolls
Advanced Equipments for Alloy Steel Corrugating Rolls
* Harden the tungsten carbide corrugating roll surface, make the hardness more than HRC58, harden depth 8-12mm.
* Special grinding machine for corrugating rolls with Siemens control system.
* Sand blasting make a rough surface of the roll. It's to increase adhesion of TC powder.
* American Praxair JP8000 HVOF tungsten carbide plating machine is the most advanced in the world.
* Smooth surface can extend the life span of tungsten carbide corrugating rolls.
Intermediate frequency quenching machine.
Sand blasting machine
American Praxair Tungsten Carbide Plating equipment.
Polishing machine
Flute profile
The designed parameter of flute is not in line with the manufacturing parameters, and the smooth finish of the roll surface is inadequate,causing a high tension of corrugating roll during the running process,that made a poor meshing and resulting in fluting paper broken.The most important parameter is the flute profile. To design the flute profile, we must know the corrugated paper gsm, speed, flute height, correct diameter and other requirement such as good FCT, saving paper, etc. Our engineer has rich experience of designing flute profile.
The following table is just for a reference.
| Flute | Profile | Height(mm) | Pitch(mm) | Flutes/300mm | T.U.R |
| A | UV | 4.5-5.0 | 8.0-9.5 | 34±3 | 1.45-1.52 |
| C | UV | 3.5-4.0 | 6.8-7.9 | 41±3 | 1.37-1.47 |
| B | UV | 2.5-3.0 | 5.5-6.5 | 50±4 | 1.33-1.41 |
| E | UV | 1.1-2.0 | 3.0-3.5 | 93±6 | 1.24-1.36 |
| F | UV | 0.8-1.0 | 2.2-3.2 | 115±20 | 1.19-1.25 |
| G | UV | 0.6-0.8 | 1.8-2.8 | 136±20 | 1.15-1.20 |
| N | UV | 0.4-0.6 | 1.2-2.2 | 193±55 | 1.10-1.15 |
| Others | UV | Customized | Design | Design | Design |
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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