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Diameter 440mm B Flute Regrinding Corrugating Rolls

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Qingdao Yonghui Packaging Machinery Co.,Ltd

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Diameter 440mm B Flute Regrinding Corrugating Rolls

Brand Name : YH

Certification : ISO9001

Place of Origin : Made in China

MOQ : 1set

Payment Terms : T/T

Supply Ability : 1500 sets per year

Delivery Time : 60-90 days

Packaging Details : Wooden Boxes

Coating : American Praxair super hard 1342 tungsten cabide powder

Coating Thickness : 0.06-0.08mm

Roughness :

Warranty : 30-35 million meters

Regrinding times : 2-3 times

Diameter : 325/440mm

Hardness : HV1250-1400

Heating Method : Steam

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Tungsten Carbide B Flute Regrinding Corrugating Rolls

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

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

Product Tags:
B Flute Regrinding Corrugating Rolls

Tungsten Carbide Regrinding Corrugating Rolls

440mm Regrinding Corrugating Rolls


Diameter 440mm B Flute Regrinding Corrugating Rolls Images

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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


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