maison>>Fabrication procédés et des équipements de la feuille de molybdène

Fabrication procédés et des équipements de la feuille de molybdène

Item

Process

Equipment

Quality check point

 

 

 

1  Physical and chemical properties

1

Mo billet

 

2  Measurements of sheet billet

2

Check

 

3  Surface quality

 

 

 

4  Unit net weight of billet material

3

Hot rolled

Hot mill

1   Measurements (thickness, width)

4

Annealing

200T press machine

2   Surface crack, stratification for two ends

5

Alkali wash

Alkali bath furnace

3   Skew rolling

6

Check

 

4   Flatness

7

Warm rolled

Four –high cold mill

1  Measurements  (length, width and thickness)

8

Vacuum annealing

Vacuum annealing furnace

2  Side crack, bubbles on surface

9

Check

 

3   Flatness

10

Cold rolled

Four –high cold mill

1  Density

11

Leveling

W43G series straightened

2  Measurements (length, width,  and thickness)

12

Cut

Hydraulic plate shears

3  Surface quality, bubbles on surface

13

Vacuum annealing

Vacuum annealing furnace    

5  Roll mark, stress ,Flatness

14

Check

 

6  Quality standard:GB/T3876-2007 or ASTM

15

Package

 

7  Show certificate of quality

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