A.conditions

1.      material ：plain carbon steel

2.      steel specification ：thickness:2.5mm width700 mm: max coil weight :10000kg

3.     product specification：thickness≥0.3 mm    width:700 mm  volume ID:Ф510 mm

4.      rolling force :p≤650 T

5.      max rolling speed：v≤180 m / min 

6.      rolling tension：T≤65 KN

B.     main components

1.main machine：φ160 /φ620×800  4 high reverse rolling mill

2. transmission mode ： driven by sporting rol

3. screw down device：

a.screw down motor：model power:22KW×2 ，6级 6 level

This motor can either press down and lift at the same time, or press down and lift respectively.

b.high speed level worm gear box：WS250   I=45 

center distance A=250mm

c.low speed level worm gear box：twice envelope torus worm  .center distance A=480mm

  Mn=16mm, I=50

d.press down the screw ：S220×8 ，

press down speed：0.05 mm/s

e.the frame adopts steel under pressure

    4．rack device ：

a.       2 pieces of closed column，column cross profile350×450 ，ZG35

b.      the whole processing, artificial shovel blows

c.tension (c) to squeeze the water roller

5．roll system part：

a.working roll diameter×roll surface width：φ160×800

mm,material:9Gr2Mo

         bearing ：needle bearing 6634916 or bearing bush

c.       supporting roll diameter：φ620×760mm ,

material :9Gr2Mo

  bearing ：FC72104380（)dedicated bearing for

 rolling mill

c.bearing lubrication way ： dry lubrication

d.      supporting roll balance way：。Hydraulic

e.       changing roll mode ：hydraulic pressure to change the roll

     6．main transmission part：

a.main motor model：DC motor Z500-4A -723 KW. 

554/1200rpm

    b.main reducer ： ZLY630 series

c.herringbone gear box：

 center distance A=920，Mn=14 mm

d.reducer ：thin oil lubrication 。

e.transmission shaft type：

the automobile universal joint shaft SWC350×2000.

f.base ：two parts motor& reducer & header is one part, rack is another part

7. Coiler：hydraulic recoiling machine

1. recoil diameter ：Φ508×800。（with a bracket ）

·         2． expansion range  ：20 mm

3．Hydraulic pushing material, hydraulic trolley car, hydraulic expansion

4．max coil weight ：≤10000 kg

5．recoiling tension ：T≤6500 Kg

6．main motor ：Z4-355-32-355KW  600/1600rpm

7．reducer：ZQ1000型（self-control）

8、thin oil lubrication：

responsible for reducer’s lubrication system。

9、procession lubrication （supplied by buyer）

10、

hydraulic unit uses a hydraulic station control

Has many function, including accumulators, electric contact pressure gauge, unloading device, relief valve, filter device, liquid level display and grade of system pressure control.

11.Thickness gauge: 2 sets, by gamma radiation

12、electronic control system：

12.1、

Electric control electric control system adopts Siemens company. Relay control system adopts PLC programmable controller, machine set up by the organic operation box, with current, speed, tension, such as the thickness of the display

12.2

the main motor, important electrical equipment and machinery safe protection measures, etc.

13、wearing parts information：

1．will provide wearing parts drawing。

2．will provide machine specification and electronic control system drawing 。

14、installation supervision and test：

1、。

The supplier provide equipment installation foundation drawing 2 months in advance to secondary pouring

2、

Equipment to the scene, the supplier is responsible for guiding installation and debugging

Customer is to pay air ticket, hotel, meal, and USD 80/person/day.

15.others: The buyer is responsible for the scope of

   Equipment external pipe and cable wiring

   about design and construction for machine

 Install the required various plate and various specifications of the cable

 All kinds of hydraulic station, thin oil terminal line pipe and pipe joints

installation of machine& hydraulic& electronic system；supply will provide technical to give guidance.

Provide required for debugging the hydraulic oil, emulsion, steel belt, gear oil, lubricating oil, grease, etc.：provide the AC driver