ITEM

DESCRIPTION

SPEC. OF STRAIGHTENER

GJ40

GJ60

GJ80

GJ100

GJ160

GJ220

GJ350

GJ426

1

Max. yield limit of material Mpa

490

520

600

600

750

800

850

1100

2

OD of pipe mm

φ8∼φ40

φ15∼φ60

φ20∼φ80

φ40∼φ100

φ60∼φ160

φ80∼φ220

φ180∼φ350

φ140∼φ426

3

Wall thickness of pipe mm

6

8

10

12

15

20

35

40

4

Straighten speed m/min

30

70/35

36

36

15∼40

18∼42

50/25

30∼100

5

Throat diameter of straightening roll mm

φ130

φ150

φ220

φ220

φ320

φ380

φ520

φ560

6

Length of Straightening Roller mm

175

240

320

320

470

560

700

820

7

Adjusting angleoftransmission rolldegree

27°∼33°

27°∼33°

32°∼38°

32°∼38°

32°∼38°

28°∼33°

29°∼35°

30°∼36°

8

Roller space of straightening roll mm

350

420

560

590

850

900

1350

1530

9

Number of straightening rolls

6

7

6

6

7

7

6

7

10

Type of main motor

Y160M-6

YD200L1-8/4

Y200L2-6

Y225M-6

Z4-225-31

Z4-280-32

Y355M3-4

YTSP400L1-6

11

Power of main motor Kw

7.5X2

22/14X2

22X2

30X2

90X2

160X2

315X2

315X2

12

Rotating speed of main motor r/min

980

740/1470

980

980

1000

750∼1700

1480

1000

13

Speed ratio of main speed reducer

6.1

4.97

9.92

9.92

16

9.85

17.43

11.78

14

Max. camber of steel pipe before straightening mm/m

30

30

30

30

30

30

30

30

15

Camber of steel pipe after straightening mm/m

≤1

≤1

≤1

≤1

≤1.5

≤1.5

≤1.5

≤1.5

16

Forms of straightener

Vertical

Vertical

Vertical

Vertical

Vertical

Vertical

Vertical

Vertical