Two-roll cold rolling mill

Introduce:Structure characteristics and working principle of two-roll cold rolling mill, selection method of two-roll cold rolling mill, price of two-roll cold rolling mill, application of two-roll cold rolling mill, application of two-roll cold rolling mill 
  • Introduction
  • Consultation

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1 , two-roll mill use

The two-roll mill equipment is low-carbon steel, copper-silver-lead aluminum, non-ferrous metal sheet, and alloy powder cold-rolled strip experimental equipment.

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2 , the working principle of the two-roll mill

The two-roll mill is divided into reversible and irreversible, and now generally adopts reversible type. The two-roll mill mainly bites the rolling stock into the rolling mill through two rotating rolls, and realizes the change of the incoming material size to complete the rolling. When the sheet is rolled, the working surface of the roll is flat, and the thickness of the sheet is changed by the pressing device to adjust the thickness of the sheet. The rolled wire is a hole type on the roll, and the change in the shape and size of the cross section is completed in the hole type. At the same time, the roll gap can be adjusted by the pressing device to realize the change of the sectional size.

3 , the main function of the two-roll mill

The equipment is a cold rolling experimental equipment for low carbon steel and non-ferrous metal sheets. The computerized measuring device with advanced rolling process parameters can measure the pressure, torque, motor power and speed of the rolling process. Therefore, research on material rolling processes and development of cold rolled parts can be carried out on the equipment.

4 , two-roll mill composition and structural characteristics

The machine consists of main motor, reducer, herringbone gear seat, universal joint shaft, working machine base, electric control cabinet, etc. The roller system adopts special rolling mill bearing, and the roller material is 9Cr2Mo .

5 , two-roll mill selection method table

Model / mm

Roll size mm

Blank sizemm

Finished product sizemm

Rolling force

KN

Rolling speedm/s

Motor powerKW

Roll length

Roller diameter

thick

width

thick

width

Φ170×300

300

170

2

200

0.17


450

0.2-0.4

24.5

Φ250×300

300

200

10

200

0.5


1000

0.3

55

Φ250 × 300

250-300

180-200

6

200-260

1.2


1000

0.3

75

Φ310×400

400

300-310

0.45

140-300

0.12-0.15

140-300

1176

0.99

90

Φ350×350

350

350

12

240

1


1250

0.49

115

Φ420×350

850

420

30

250

1


1800

0.45

185

Φ485×850

850

455-475

30

330-560

0.45



0.88

280

Φ500×1200

1200

500

10

1050

0.5


2500

0.63

130

Φ500×1350

1350

490-510

20

1100

0.8

1100

4000

0.89

210

 

 


Understand Wikipedia: Rolling 
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