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 | Hard Chrome 60-80μm |
| Size | 1100mm×Φ220mm |
| Heating treatment | Intermediate frequency quenching |
| Hardness | >HRC58 after hardening |
| Harden layer depth | 8-12mm |
| Flute type | N flute 0.6mm |
| Warranty | 3 million meters for hard chrome coating |
| Finishing | Ra <0.6μm |
| Refurbish | 3-4 times |
| Brand Name | YH |
| Place of Origin | Made in China |
| Model Number | 1100-220 |
| 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 | Hard Chrome 60-80μm |
| Size | 1100mm×Φ220mm | Heating treatment | Intermediate frequency quenching |
| Hardness | >HRC58 after hardening | Harden layer depth | 8-12mm |
| Flute type | N flute 0.6mm | Warranty | 3 million meters for hard chrome coating |
| Finishing | Ra <0.6μm | Refurbish | 3-4 times |
| Brand Name | YH | Place of Origin | Made in China |
| Model Number | 1100-220 | Certification | ISO9001 |
| High Light | Chrome Alloy Steel Corrugating Rolls ，N Flute Corrugated Roller ，Hard Chrome corrugated roller | ||
Micro N Flute Hard Chrome Alloy Steel Corrugated Roller for Cigarette Packaging
| 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. |
1. Applications of alloy steel corrugating rolls
N flute corrugating rolls are used to make good printability requirement paper boxes, like cigarette, cosmetics, medicine box, etc.
2. Precision Welding Can Be 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. When everything is ready, a driving fit interface has been formed between the roller body and the spindle heads by means of preheating, welding or bolting. Special care should be taken when welding, because finished corrugated roller body’s temperature will rise constantly when the roller is running, and the roller body also bears pressure of the steam from the inside of the roller body, which will form the so-called “pressure vessel”. In view of this, the roller body and the spindle heads joint must pass the pressure test. When the welding process finished, the work piece shall be put into the furnace for high temperature tempering to reduce stress.
3. Rigorous for Precise Grinding
After heat treatment and the cutting slots, the roller shall be put on high precision automatic CNC grinding machine to do finish grinding. Almost every set of corrugating rolls are needed to be designed and customized separately according to the width, diameter, flute height, corrugated paper GSM, speed and cardboard physical index requirement. The designed flute profile is copied on a costly diamond tool. When grinding wheel and diamond tool touch together, the flute profile is dressed on grinding wheel. By grinding wheel grind each flute several times until the accuracy is within our technical permitted requirement. The Siemens control system play a key role in guarantee the accuracy.
4.Comparison Between Tungsten Carbide Corrugating Roll and Hard Chrome Corrugating Roll
| | Hard Chrome Corrugated Roller | Tungsten Carbide Corrugated Roller |
| Flute profile and TUR | Due to the poor wear resistance of chrome-plated corrugated roller, in order to ensure the flute height is not lower than the standards,the flute profile needs to be designed higher accordingly. So the T.U.R. is bigger, it means more corrugated paper usage. | Tungsten carbide corrugated roller has excellent wear resistance and low flute height. Moreover, it will not reduce the compressive strength of the finished corrugated board. A more optimized v-shape flute profile can be designed to increase the strength of the cardboard, reduce the amount of the glue appication and save corrugated paper. |
| Thickness of finished board | Using chrome corrugated roller will lead to wear fast and the height of the flute will be lower, so the thickness of corrugated board will be decreased. | Tungsten carbide corrugated roller will never wear the base material, and can ensure the finished corrugated board’s durability from high quality production. |
| Service life of corrugated roller | The service life of chrome-plate corrugated roller is generally between 8-12 million meters. | The service life of tungsten carbide corrugated roller can reach to 40-60 million meters, reducing the maintenance and replacement, saving manpower, material and financial resources. |
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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