Pre-Finishing Mill Unit

Author:weikeduo 2021-12-07 11:24:01 208 0 0

Pre-Finishing Mill Unit

Equipment composition and use: Pre-finishing mill type: cantilever mill,rack number: 4 stands. Horizontal mill (2 stands), Vertical Looper (3 sets), vertical mill (2 stands), safety cover. Layout and Transmission mode: H-V-H-V, (DC) motor individual drives.

https://www.wkd-rollingmill.com/products/pre-finishing-mill-unit.html

Product Description

 

Pre-Finishing Mill Unit Equipment Composition and Use

 

Pre-finishing mill type: cantilever mill, rack number: 4 stands.

 

Horizontal mill (2 stands), Vertical Looper (3 sets), vertical mill (2 stands), safety cover.

 

Layout and Transmission mode: H-V-H-V, (DC) motor individual drives.

 

 

Pre-Finishing Mill Unit Main technical performance parameters of the equipment

 

1. Process parameters

 

(1) The specification of the entry rolling piece of the first stand: 28~31mm

 

  Specification of the fourth outlet rolling stock: 16~20mm

 

(2) Rolled steel types: plain carbon steel, high-quality carbon steel, low alloy steel, welding rod steel, riveting steel

 

(3) Rolling temperature: 900~1050℃

 

(4) Maximum rolling force: ~240kN

 

(5) Maximum rolling torque: ~6.2kN·m

 

(6) Roller center distance: 255mm~291mm

 

(7) Roll gap adjustment: 18 mm

 

(8) Working pressure of roller installation: 40MPa

 

(9) Working pressure of unloading roll: 60MPa

 

(10) Roll cooling water

 

Consumption: 4x20 t/h Water pressure: 0.6MPa Water inlet temperature: <30℃

 

(11) Lubrication method

 

The rolling mill and reducer are all lubricated with thin oil.

 

Oil pressure: Lubrication point pressure 0.15~0.25MPa Total consumption: 400 l/min

 

Oil quality: Mobil 533

 

Fine filter: 25μ

The transmission parameter table of pre-finishing mill

 

Machine type

Size

stands

Tungsten carbide roll ring size Фmm

Max. rolling forceKN

Max. Rolling torque KN.M

Rolling speed m/s

Trimmed size Фmm

Speed ratio

Motor

4stands

type

Power KW

Revolving speed r/min

90m 135m/sФ285 H cantilever roller ring structure unit

1HФ285

285/255×95

280

7.4

8

8

1.5

DC

450/600

600/1200

2VФ285

285/255×95

133.6

5.0

8

8

1.24

DC

450/600

600/1200

3HФ285

285/255×95

153

4.2

8

8

1.15

DC

450/600

600/1200

4VФ285

285/255×95

95.9

3

40

30

94

DC

450/600

600/1200


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