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Four Roller Hydraulic Plate Rolling Machines CNC Sheet Bending
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Four Roller Hydraulic Plate Rolling Machines CNC Sheet Bending

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Four Roller Hydraulic Plate Rolling Machines CNC Sheet Bending

 

 

Performance:


This four rolls bending machine used to coil plate into different sharps such as

cylindrical form, conic form and arc, it adopted Japan hydraulic technical.
Top roll is main drive rolls, it can does vertical and level motion, up and down, parallel

translation is display. This machine include pre-bending function.


Structure:


This equipment composed of work frame, upper roll device, main drive device, down roll

device, side roll device, balance device, tuning device, hydraulic system, electricity control

system, NC system, lubricate device.
1. Work frame composed of based plate, fixed side frame and tuning frame, all parts

steel-welded. Two side frames fixed on the based plate by screw, and jointed together

by beams. The two side frames equip with upper roll and down roll moving rails, the fix

one have upper roll and down roll bearing housings.
2. The main drive device drive upper rolls do rotary movement. The two sides is support

by SP-1 sliding bearing. The drive side through keys, gear and main drive device.

The material of upper roll is 42Cr, heat treatment is HB220-280.
3. Main drive device
Composed of YZR motor, V type triangle belt, three class gear speed reducer, one set

open-gear.
4. Down roll device
Down roll is supported by aligning bearings, the bearing based in the rail of two side

frames.

The down side jointed with cylinder pistons. The bearing base can move up/down in the

railsunder hydraulic force. The adjustment of Pistons force controlled hydraulic system

pressure values according to the up/down rolls clamping force.
The support rolls were added on the bottom, bending precision will be increased in this way.

The material of down rolls is alloy head treatment HB220-280.
Side rolls device
Side rolls fit on the arc bearing base plate which fix on the two sides frame rails. The down

side jointed with cylinder pistons. The bearing base can move up/down in the rails under

hydraulic force. The adjustment of Pistons force controlled hydraulic system pressure values

according to the up/down rolls clamping force.
The material of side rolls is alloy head treatment HB220-280.
5. Tuning device
Composed of ram, bearing, tuning cylinder
6. Balance device
Composed of balance compact, screw
7. Lubricate device
Main speed reducer and side drive speed reducer adopted oil pool fly lubricate type, it is

cooled naturedly. When environment temperature is -10~0º C use N46 and N68, when

environment temperature is 0~40º C use N150 and N220, the other lubricate points adopted

oil gun to fill manually, working MEDIA is ZGN40-1 grease(winter ) and ZGN40-2 (summer),

two times for one shift.

 

Summarize:

 

This machine belongs to four roller plate rolling machine. It's for prebending and rolling of

barreused on pressure vessels and other industry. It has the ability of rough straightening

and round rolling as well.

The top roller is used as main drive. It's hydraulic driven. It drives the bottom roller and

side rollers through the friction between the plate and the roller, and thus to provide rolling

torque. The lifting of the bottom roller, the two side rollers, tilting frame, and the backup roller

is through hydraulic.

The pre-bending of plate end is achieve by lifting the bottom roller and clamping the plate

end,

meanwhile, inclined lifting the side rollers. The advantage of end plate bending (pre-bending)

and rolling can be conducted on the same machine.

his equipment composed of work frame, upper roll device, main drive device, down roll device,

side roll device, overturn device, hydraulic system (parts), electricity system (parts), and

lubricate device.

 

Technical Parameter:

 

Model Unit W12-10*2500 W12-10*3200 W12-12*2500 W12-12*3200 W12-16*2500
Max thickness of plate mm 10 10 12 12 16
Max plate width mm 2500 3200 2500 3200 2500
Length of rollers mm 2550 3250 2550 3250 2550
Unsymmetrical mm

T8*B2500*

min500mm

(σs≤245MPa)

T8*B3200*

min600mm

(σs≤245MPa)

T10*B2500*

min600mm

(σs≤245MPa)

T10*B3200*

min700mm

(σs≤245MPa)

T12*B2500*

min700mm

(σs≤245MPa)
Symmetrical mm

T10*B2500*

min500mm

(σs≤245MPa)

T10*B3200*

min600mm

(σs≤245MPa)

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Mr. Mr. Zou
Tel: 86-510-83212533
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Contact Method
JINQIU MACHINE TOOL COMPANY
99.QIANLUO ROAD, Wuxi, Jiangsu, China (Mainland)
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