Qingdao Yonghui Packaging Machinery Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 60 Sets/month |
| Delivery Time | 50-75days |
| Packaging Details | Wooden case |
| Material | 50CrMo precision forged alloy steel |
| Coating | American Praxair super hard 1342 tungsten cabide powder |
| Coating thickness | 60-80μm |
| Heating treatment | Intermediate frequency quenching |
| Hardness | HRC59-62 after hardening |
| Micro hardness | HV1250-1400 |
| Lifetime | More than 45million linear meters |
| Finishing | Ra <0.6μm |
| Brand Name | YH |
| Model Number | 2100mm×340mm |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 60 Sets/month |
| Delivery Time | 50-75days | Packaging Details | Wooden case |
| Material | 50CrMo precision forged alloy steel | Coating | American Praxair super hard 1342 tungsten cabide powder |
| Coating thickness | 60-80μm | Heating treatment | Intermediate frequency quenching |
| Hardness | HRC59-62 after hardening | Micro hardness | HV1250-1400 |
| Lifetime | More than 45million linear meters | Finishing | Ra <0.6μm |
| Brand Name | YH | Model Number | 2100mm×340mm |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Tungsten Carbide Corrugation Machine Parts ，50CrMo Corrugation Machine Parts ，HV1400 Corrugation Machine Parts | ||
F Flute Tungsten Carbide Alloy Steel Corrugating Rolls
Flute profile
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. Without good design, many problems will appear, such as flute paper broken, low speed, collapsed flute, high-low flute and so on.
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 |
Strict Test to Keep Improving
Before and after the surface treatment including tungsten carbide plating or hard chrome coating of corrugating rolls, it is needed to check the size, hardness, precision, flute profile, and simulation feeding paper. Special projector is used to check the flute profile and feeding different GSM paper to ensure the performance of corrugating rolls.
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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