used hot rolling mill for steel plate

used hot rolling mill

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used hot rolling mill for steel plate Model No.: 205 it is written on Dec.28,2021

product description
Technical Parameters

used hot rolling mill for steel plate Model No.: 205 it is written on Dec.28,2021

Technical performance of 2hi mill
Technical performance of 2hi mill
No.	name	data	unit
1	Working diameter of new working roll	φ1100	mm
2	Loaded to minimum working roll diameter	φ980	mm
3	Working roll length	2350	mm
4	Maximum working stroke of upper roll lifting	400	mm
5	Upper roll lifting limit stroke	650	mm
6	Plunger diameter of upper roll balance hydraulic cylinder	300	mm
7	Maximum working stroke of upper roll balance hydraulic cylinder	720	mm
8	Working pressure of upper roll balance hydraulic cylinder	100	Atmospheric pressure
9	Lifting speed of upper roll	10-48	mm/s
10	Outer diameter and pitch of screw thread	φ480/48	mm
11	Reduction device nut to speed ratio i₂	18
12	Gear ratio i1 of cylindrical gear reducer of screwdown device	1.357
13	Total speed ratio of screwdown device from motor to screwdown screw i	24.462
14	One turn of the small pointer is equivalent to the stroke of pressing the screw	20	mm
15	One turn of the large pointer is equivalent to the stroke of pressing the screw	400	mm
16	Rack roll diameter	400	mm
17	Frame roll length	1500	mm
18	Linear speed range of frame roller	1.15-3.45	M / S
19	Plunger diameter of hydraulic cylinder of frame roll	120	mm
20	Rack roll inclination during roll change	≈33	degree
21	Working pressure of rack roll at roll change time	100	Atmospheric pressure
22	Upper main drive shaft inclination swing range (maximum)	6.7	degree
23	Lower main drive shaft inclination swing range (minimum)	5	degree
24	Diameter of plunger of balance hydraulic cylinder of main drive shaft	230	mm
25	Maximum stroke of main drive shaft balance hydraulic cylinder plunger	Upper shaft 550 / lower shaft 100	mm
26	Working pressure of plunger of balance hydraulic cylinder of main transmission shaft	100	Atmospheric pressure
27	Maximum working pressure of roll	2000	Ton
28	Maximum torque of 1 spindle	125	Ton / meter
29	Total speed ratio of roll changer i	538.4
30	Moving speed of roll changer	50	mm/s
31	Maximum stroke of roll changer	5500	mm
32	Pumping capacity of roll changing device (tension)	28	Ton
33	Press down the full length of the screw and take it out of the nut at the minimum height from the horizon	3.7	meter

2hi mill motor and electrical equipment
2hi mill motor and electrical equipment
No.	name	Specification and performance	QTY
1	Main motor	modelZD250/150	2 sets
		capacity: 2500KW speed: 40/80r/min
		Voltage: 800V electric current: 3445
		Other excitation (90/475) GD²=140T / M
2	Press down the motor	ZD36.8/22-4(B), capacity: 190KW	2 sets
		speed=1500r/min, JC=100% (forward and reverse)
		Both ends are out of the shaft,and the overload coefficient of the right outgoing line is k = 2.5
		The air inlet and outlet are above, totally enclosed casing (DC)
3	Depress the motor brake	Zwz-500, voltage 110 V, working system JC = 100%	2 sets
4	Press down the master controller	LK4-658-4(speed ratioi=1:30)	1
5	Electromagnetic clutch	Torque 300 kg / M	1
6	Pointer setting motor	JW091-2, N=0.4KW, n=2800r/min	1 set
7	Opening indicator self-adjusting motor	BD-404A	2 sets
8	Frame roll motor	ZD₂42.3/36.5-2B,N=100KW, n=320r/min	2 sets
8	Frame roll motor	JC=100%, Voltage440V（DC）	2 sets
9	Roll changer motor	JZB42-8, N=19.5千万, n=667r/min, JC=15%	1 set
10	Roll changer limit switch	LX2-121	2

Technical performance of 4hi mill
Technical performance of 4hi mill
No.	name	unit	data	remark
1	Maximum rolling pressure	ton	3500
2	Maximum rolling torque	ton/meter	120
3	Center distance of pressing screw	mm	3450
4	Outside diameter of screw	mm	φ450	Serrated thread
5	Screw pitch	mm	10
6	Screw down pivot diameter	mm	φ350
7	Lifting speed of screw down	mm/s	1-5-12_-	Base speed 5mm/s
8	Maximum stroke of screw down	mm	300
9	Total speed ratio of press down transmission mechanism		i=17.5
10	Technical performance of Screwdown Motor	Model: ZZ-72, capacity:72KW		2
10	Technical performance of Screwdown Motor	Speed 520r / min,voltage 220 V		2
11	Balance the hydraulic cylinder diameter of the upper support roll	mm	φ360
12	Maximum stroke of hydraulic cylinder for balancing upper support roll	mm	420
13	Hydraulic cylinder diameter of balance work roll	mm	φ130
14	Maximum stroke of hydraulic cylinder of balance work roll	mm	255
15	Working pressure of hydraulic cylinder	Kg / cm²	100
16	Working pressure of hydraulic cylinder during roll change	Kg / cm²	200
17	Maximum diameter of backup roll	mm	φ1300
18	Maximum diameter of work roll	mm	φ750
19	Effective width of roll body	mm	2350
20	Maximum weight of one set of work rolls with bearing pedestal	ton	17.6
21	Maximum weight of a set of lower support rollers with bearing pedestal	ton	58.72
22	Maximum weight of one set of upper support rollers with bearing pedestal	ton	39.2
23	Maximum allowable torque of main drive	T / M	120
24	Maximum allowable transmission torque of upper main adapter	T / M	60
25	Maximum allowable transmission torque of lower main receiver	T / M	60
26	Maximum allowable transmission torque of cardan shaft	T / M	120
27	Swing angle range of upper connecting shaft		3^。59＇31＂-5^。37＇48＂
28	Swing angle range of lower connecting shaft		5^。26＇52＂-5^。37＇48＂
29	Connecting shaft hydraulic balance working pressure	Kg/cm²	100
30	Diameter of connecting shaft hydraulic balance plunger	mm	φ110
31	Working stroke of connecting shaft hydraulic balance plunger	mm	48-160
32	Maximum rolling pressure of rolling mill	吨	2000
33	New backup roll body diameter	mm	φ1300
34	Minimum working roll diameter of back-up roll after heavy truck	mm	φ1230
35	New work roll body diameter	mm	φ750
36	Minimum working roll diameter of working roll after heavy truck	mm	mm
37	Roll body length	mm	2350
38	Working opening of roll	mm	150
39	Maximum opening of roll	mm	300
40	Balance working pressure of support roll and work roll	Kg/cm2	100
41	Working pressure of hydraulic cylinder during roll change	Kg/cm2	200
42	Diameter of work roll balance plunger	mm	φ130
43	Working stroke of work roll balance plunger	mm	255
44	Diameter of supporting roller balance plunger	mm	φ360
45	Working stroke of supporting roller balance plunger	mm	800
46	Maximum allowable load for roll change start-up	ton	136
47	Maximum starting stroke of roll change	mm	6700
48	Roll change start-up moving speed	M / min	2.55
49	Total transmission ratio of roll change start-up i		245.6

4hi mill motor and electrical equipment
4hi mill motor and electrical equipment
No.	name	Specification and performance	QTY
1	Main motor	Model: ED250/83 capacity: 2050KW	2 sets
		Voltage: 800V, speed: 60/120r/min
		electric current：2800
		Torrent mode: other exciting
2	Press down the motor	Model: ZZ-72 capacity: 72Kw	2 sets
		speed: 520r/min Voltage: 220V
		Coefficient: 100%

3	Press down the master controller	Model: LK4-65.8-4, speed ratio i=30	2 sets
4	Main motor tachogenerator		2 sets
5	Pointer disc motor	Model: JQ₂-31-8, capacity: 1.1KW, speed: 700r/min	2 sets
5	Pointer disc motor	Voltage: 220V	2 sets
6	Upper motor for roll change	Model: JZR, capacity: 72KW, speed: 723r/min	1 set
7	Upper travel limit switch for roll change	Model: LX4-152	2

The above parameters are for reference only, and the final parameters shall be subject to the site

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