秒速飞艇技巧

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  • Pre-finishing mill

Pre-finishing Mill

  • Stands 15H
  • Max.outside diameter 285mm
  • Min.outside diameter 255 mm
  • Inner diameter 160mm
  • Width 95/70mm
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Roughing & Intermediate Rolling Mill Area Equipment
Pre-finishing Mill Area Equipment
Finishing Rolling Mill Area Equipment
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Pinch Rolls, Wire Dischargers Equipment
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  • Overview
  • Technical Data
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The function of pre-finishing mill
In the process of high-speed wire-rod rolling, pre-finishing mill can improve the precision of the working piece to guarantee the product quality and avoid possible operation failure during the finishing mill section.

1. Technical parameters:

(1)The first stand rolled entrance specifications: F28~F31mm

           The fourth stand rolled exit specifications: F16~F20mm

(2)Type of rolling steel:carbon steel, high-quality carbon steel, low alloy steel, welding steel, cold heading steel

(3)Rolling temperature:900~1050℃

2. Equipment performance

(1)Type of mill:Cantilever mill

(2)Quantity of mill :4 stands

(3)Arrangement: H-V-H-V

(4)Kind of drive:DC motor drive alone

(5)Pre-finishing mill drive parameter table

Stands

Roll collar size

Main motor

Speed ratio

Revolution of roller

r/min

Max.outside diameter mm

Min.outside diameter

mm

Inner diameter

mm

Width

mm

Type

Power

KW

Revolving speed

r/min

15H

285

255

160

95/70

DC

450

0/600/1200

1.5

247~476

16V

285

255

160

95/70

DC

450

0/600/1200

1.24

314~606

17H

285

255

160

95/70

DC

450

0/600/1200

1.25

407~782

18V

285

255

160

95/70

DC

450

0/600/1200

0.94

500~1001

(6)Max.rolling force:~240kN

(7)Max.rolling torque :~6.2kN·m

(8)The roller center distance:F255mm~F291mm

(9)Roll gap adjustment:±18 mm

(10)Working pressure mounted roller:40MPa

(11)Unloading roller working pressure:60MPa

(12)Roll cooling water consumption:4x20 t/h

Water pressure:0.6MPa

Water inlet temperature:<30℃

(13)Lubricating way:Mill, reducer are used lubrication。

Oil pressure: 0.15 ~ 0.25MPa pressure lubrication points

Total consumption:400 l/min

Oily:Mobil 533 Fine filter:25μ

Accessory: Loading and unloading roll each one tool.

Horizontal, vertical roll gap adjustment device for each two.

Consisting of block:Horizontal mill(2 stands)、Vertical loop(3 sets)、 Vertical mill(2 stands)、Safety cover

The total weight of the equipment:44060 kg

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