Used 1450 6-hi reverse CRM

used cold rolling mill

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product description
Technical Parameters

A. technical specs

1. material spec：hot rolling pickled steel coil or annealed cleaned steel coil.

material type：Q195、Q215、Q235、08Al、20、SPHC、SPHD、SPHE。

yield strength： бs≤360 N／mm²， бb≤610 N／mm²

thickness： 1.2～4.0mm

width： 900～1300mm

coil ID： Φ610mm

coil OD： maxΦ2100mm

max coil weight： 26t

2. finished product spec：

thickness： 0.25～1mm

width： 900～1300mm

coil ID： Φ610mm

coil OD： maxΦ2100mm

max coil weight： 26t

3. finished product accuracy：

thickness error：±10 μm （d＜0.5mm）

±2% d (d≥0.5mm)

straightness： 10I-15I

4. equipment main specs：

max rolling pressure： 18000kN

max rolling torque： 135kN·m

rolling speed： 0~468~1000 m/min

coil run through speed： 18m／min

max coiling speed： 1050m／min

uncoiling pressure： 80~8 KN

coiling pressure： 170~17 KN（Ⅰ挡level V＜640 m/min）

working rolls size： F400～F370×1450

middle rolls size： F450～F415×1450

back up rolls size： F1250～F1190×1350

uncoiler cone diameter：Φ620～Φ560㎜（circle Φ610㎜）

coiler cone diameter：F595~ F610 mm（circle F610 mm）

working rolls max open mouth(new rolls)： 20mm

working rolls positive bend pressure(single side)：375/280 KN

middle rolls positive bend pressure(single side) ： 450kN

middle rolls horizontal moving range： 200mm

hydraulic transmission system pressure： 10 Mpa

craft lubrication flow： 8000L／min

main motors power：

main rolling mill motors:DC1250 KW×4（series parallel connection）

coiling motor：1000KW´2/units´2（series）

uncoiler motor： DC 560KW

B. Scope of supply

a. mechanical part

	name		qty	weight(Kg)
1	coil loading car		1	11200
2	uncoiler		1	26070
3	leveling machine		1	17671
4	coiler before mill		1	29250
5	unloading car		2	18200
6	device before mill		1	20940
	1）	turn and guiding device before mill	1	4200
	2）	speed detector（option）	1
	3）	tension detector	1	1300
	4）	thickness gauge holder	1	890
	5）	vacuum oil removal device	1	6100
	6）	center guiding device	1	1650
	7）	foundation	1	6100
	8）	foundation, pipes		700
7	1450 6-hi reverse CRM		1	361700
8	device after mill		1	26990
	1）	vacuum oil removal device	1	6100
	2）	thickness gauge holder	1	890
	3）	strip shape tension gauge（without strip shape checking rolls）	1	510
	4）	speed detector	1
	5）	disc shear	1	4800
	6）	turn and guiding device after mill	1	4200
	7）	static electricity oil remover rail foundation（without static electricity oil remover）	1	1500
	8）	foundation	1	8200
	9）	foundation, pipes		700
9	right coiler		1	30640
10	rolls changing device		1	60680
	1）	working rolls and middle rolls changing machine	1	42450
	2）	back up rolls changing machine	1	11310
	3）	movable covers	1	6920
11	coiling assistant machine		1	11800
12	motor foundation, control box			18250
total				63391

b. fluid equipments

	name	qty	remark
1	hydraulic pressing control system	1set
1.1	hydraulic power station	1unit
1.2	control valve station	1unit
1.3	Energy storage filter device	2units
1.4	pressing oil cylinder device	2units
2	balance, roll bending, horizontal moving hydraulic control system	1set
2.1	hydraulic power station	1unit
2.2	control valve station	2units
2.3	horizontal moving oil cylinder device	4units
3	uncoiling CPC center control system	1set
3.1	photoelectric detection adjusting holder	1unit
3.2	CPC electrical cabinet	1unit
3.3	control valve station	1unit
3.4	uncoiling center cylinder	1unit
4	hydraulic transmission control system	1set
4.1	hydraulic power station	1unit
4.2	control valve station	6units
5	oil lubrication system	1set
5.1	oil lubrication station	1unit
5.2	electrical operation box	1unit
6	air-oil lubrication station	1set
7	craft lubrication and rolls cooling system	1set
7.1	oil tank device	1set
7.2	净液输送站clean fluid convey station	1套set
7.3	waste fluid convey station	1set
7.4	vacuum filter	1unit
7.5	emulsion pressure adjusting and beside road device	1set
7.6	emulsion temperature controller	1set
7.7	emulsion distributing valve device	2sets
7.8	cooling nozzle bridge device	1set
7.9	original fluid device	1set
8	vacuum oil removal system	1set
9	pneumatic system	1set
10	middle pipes	1set	seller design, buyer supply

c. electrical devices

no.	name	qty	main producer	core elements	remark
1	mail mill electrical transmission device	4sets	tianchuan	SIEMENS	rated 3000A
2	coiler before mill electrical transmission device	2sets	tianchuan	SIEMENS	rated 2500A
3	coiler after mill electrical transmission device	2sets	tianchuan	SIEMENS	rated 2500A
4	uncoiler motor electrical transmission device	1set	tianchuan	SIEMENS	rated 1200A
5	tension rolls DC coiler before mill electrical transmission device	2sets	tianchuan	SIEMENS	rated 30A
6	computer system	1set		ADVANTECH
7	PLC device and monitor	1set		SIEMENS S7400	collecting-distributing system
8	AC control system	1set	tianchuan	china made Schneider
9	relay and operation cabinet	1set	tianchuan
10	power supply device	10sets		SIEMENS
11	big DC motor	9units	xiangtan	china made
12	Oil-immersed rectifier transformer	4units		china made
13	thickness gauges	2units		imported	to be confirmed
14	tension gauge	2sets		ABB
16	speed detector	2sets		BEIISTAR	option

C. remark: this machine was produced in 2011, started working in 2011.10 and stopped working in 2016.6, it’s located in user factory now.

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