Four Roll Reversible Cold Rolling Mill Roll Forming Machinery 185×460×500mm


Technical parameters

1.Material: carbon steel, stainless steel, low alloy steel.
2.Blank specification: ≤4.0mm, Width≤420mm, Coil ID:φ508mm, Max weight: 6000kg.
3.Products specifications: ≥0.6×400, Coil ID: φ508, Max coil OD:φ1500
4.Rolling force: p≤400T.
5.Rolling speed: ≤150m/min.

Component and parameter

a. Mainframe specifications: φ185/φ460×500 Four roll reversible cold rolling mill.
b. Transmission way: working roller drive.
c. Press device:
Press motor: power 15KW×2, 6 class.
High-speed gear box: WS210, I=41, center distance A= 210mm.
Low-speed gear box: second enveloping worm gear and worm,
center distance A= 315mm, Mn=14.5mm I=40.
Press screw: S160×6, press speed:0.058mm/s
Press box: steel castings
Frame parts:
Two sets closed arch, column section 250 x 350, ZG35.
Windows boarding: overall processing, manual stroke
d. Roller parts:
Working roller* width of the roller: φ185×500mm, Material: 9Gr2Mo
Bearing: compound tiles needle bearing
Support roller* width of the roller: φ460×470mm, Material: 9Gr2Mo
Bearing: FC special bearings for rolling machine.
Bearing lubrication way: grease lubrication.Roller
change way: hydraulic change support roller.
e.Main transmission parts:
Main motor type: Z4-355-12 series DC motor, P=355KW, 750/1500r/min, 440V 877A
Main reducer: ZDY450, I=5.6
Gear box: center distance A= 230mm, Mn=10mm.
Reducer, the box lubrication way: thin oil splashed lubrication.
Transmission shaft type: special metallurgy cross gimbal pick axis SWC200
Base: fission steel structure welding parts.

Tension winder: Four pyramidhydraulic winder (2 sets)

a. Reel diameter: φ508×500.
b. Inflation/ reduction capacity: ≥25mm (φ485~φ510).
c. Hydraulic push, hydraulic small car, hydraulic inflation/ reduction.
d. Max coil weight: ≤6000kg.
e. Tension: T≤3000kg.
f. Main motor:Z4-250-42series DC motor, 160KW, 1000/2000r/min, 401A.
g. Deceleration machine:ZQ750 I=15.75.

Thickness gauge:

QNT-2 type Ray Thickness Gauge (user self-provided)

Electrical control system:
a. Use eurotherm electric company original European 590 system. Relay control system adopts PLC, tension participation. Coil diameter changes with constant tension control and implement track, with operate box, current and speed, tension, thickness of digital display, it has the function of protection.
b. By Siemens electrical appliances

Processing lubrication station (user self-provided)

Lubrication station is mainly to roll the lubrication system and rolling steel belt lubrication system, cooling lubrication pump station, including medium for emulsion lubrication.

Wearing parts and information

Supply parts list provided.
Provide equipment instructions and control principle diagram
8. Installation and commissioning:
a. For months to advance the provision of equipment installed base map, forming the basis for the implementation of the second casting.
b. Equipment to the scene after the party responsible for the installation guide.
φ185/φ460×500 Four roll reversible cold rolling mill

We, Wuxi Friendship Machinery Co., Ltd, China leading expert in designing and manufacturing metal sheet roll forming machines, PU sandwich panel line. We achieve this by the most skilled, dedicated and diverse group of people in our industry.

Our key products: C/Z/U purline forming line, PU sandwich panel line, steel silo production line, Culvert Corrugated pipe production line, roof/tile/wall/deck/ forming machine, double layers forming machine, drywall stud and track roll forming machine, guardrail roll forming machine, downspout roll forming machine, gutter roll forming machine, simple slitting and cut to length machine, CNC folder/flashing machine, K span forming line, hydraulic decoiler, auto stacker and so on.   

We insist on providing quality products and service at affordable price for our clients. The performance record of our products is the backbone of Friendship Machinery's reputation. The proven ability of every set machine is why customers have returned to us repeatedly for new applications, designs and machinery as their products change and expand. We are proud of it

Our machines are well sold in South East and south Asia, Middle East, Africa, South America and East Europe, more than thirty countries.  

Warmly welcome to visit our factory and we are looking forward to cooperating with you for splendid future.