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used hot rolling mill
used hot rolling mill for steel plate
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 | |||
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 | |||
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 |
JC=100%, Voltage440V(DC) | |||
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 | ||||
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 | |
Speed 520r / min,voltage 220 V | ||||
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 | |||
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 |
Voltage: 220V | |||
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
If you want to quote or further information on this product, please fill out the form below.
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