Qingdao Yonghui Packaging Machinery Co.,Ltd
To Be Irreplaceable, Be Unique.
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Question and Answer
| Q | A |
| How many times can the tungsten carbide rolls be regrinded? | 3-4 times |
| What's the warranty? | For first time to regrind we can warranty same with new rolls. |
| Which flute can be regrinded? | A, C, B, E, F |
| What's the lifetime? | It depends on flute, diameter, corrugated paper quality , machine performance, installment and maintainance. Generally it can reach to 40-60 million meters. |
| What kinds of corrugators do you supply corrugated rollers for? | BW PaperSystem, BHS, Mitsubishi, TCY, Taiwan Mingwei, Fuli, Wanlian, HSIEH HSU, K&H, Xinguang, Dpack, Shangyin, Shengli, Meiguang. |
| Did you regrind rolls for oversea customers? | Yes. We regrind corrugating rolls from Korea, Russia, Uganda, Thailand, Vietnam, India, Myanmar, etc. |
Production Process
Clean and Inspect after receiving old rolls⇒ Give suggestion for the flute height ⇒ Remove old tungsten carbide coating⇒Machining bearing position⇒Finish grinding ⇒Testing flute profile⇒Sand blasting⇒Tungsten carbide spraying ⇒Flute profile testing⇒Polishing ⇒ Final testing⇒Pack
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Bonnie Li