ST4R 4-roll hydraulic plate rolling machine offers precision bending, CNC control, high automation, and durable construction for industrial sheet metal processing.
The ST4R is a 4-roll hydraulic plate rolling machine designed for precise, efficient, and heavy-duty plate bending applications. Equipped with advanced automation, CNC control options, and robust construction, it ensures high accuracy, repeatability, and reliable performance for industrial metal fabrication.
Standard Features
7” multi functional touch screen
PLC control with manual. semi-automatical and full automatic options
Three speed feature
Bearing guidence system
St-52 quality steel frame and parts
Bottom roll preasure adjustment
Top roll hydraulic drop end and upward mobile top roll
Automatic balance system with one button
Conical bending system
Conical bending auxiliary
Top and bottom rolls driven with hydraulic motor and planetary gear box parts
Linear guide system
Hidden encoder against crushes that records turning movement
Protection system against overloads
Continuous turning with one button
Induction hardened and polished rolls (Ck45)
Three stage mobile control panel seperated from machine
Online remote connection
Formula page that calculates radius and deepness
Sound-light buzzer warning system
Emergency stop wire around the machine
Warning page that shows maintanence time
Alarm page that shows the warnings in machine
CE norms
Transparent protection cover for control panel
Ultrasonic sensor
Optional Features
CNC unit
Reer laser emergency stop barrier
Variable speed feature
Central support
Hydraulic side supports (2 pieces)
Material feeding table
Material out put table
Changeable top roll
Automatic central oiling system
Oil cooling system
Automation system for different voltage and frequency
MODEL
Working Length
Max. Thichness
Pre-Bending
Top/Down Rolls
Side Rolls
Motor Power
Length
Height
Width
Weight
Min. Bending Diameter
mm
mm
Ømm
Ømm
@mm
kW
mm
mm
mm
kg
ST4R 160-20/6.0
2000
6
4
160
140
4 kW
3600
1300
1200
4000
Min Ø: Roll Ø x 3
ST4R 180-20/8.0
2000
8
6
180
150
5,5 kW
4100
1600
1450
4250
ST4R 200-20/10
2000
10
8
200
180
7,5 kW
4200
1600
1450
5660
ST4R 220-20/13
2000
13
10
220
180
7,5 kW
4200
1600
1450
5100
ST4R 255-20/16
2000
16
13
255
210
11 kW
4200
1600
1470
5750
ST4R 275-20/20
2000
20
16
275
220
15 kW
4300
1625
1830
8375
ST4R 310-20/25
2000
25
20
310
240
18,5 kW
4300
1625
1830
9750
ST4R 340-20/30
2000
30
25
340
250
22 kW
4650
2050
1950
12000
ST4R 385-20/40
2000
40
30
385
290
30 kW
4800
2250
2000
16000
ST4R 400-20/45
2000
45
35
400
300
37 kW
4900
2350
2250
17000
ST4R 460-20/50
2000
50
40
460
350
37 kW
5320
2600
2310
25000
ST4R 500-20/55
2000
55
45
500
400
45 kW
5550
2900
2800
33500
ST4R 540-20/60
2000
60
50
540
450
55 kW
5700
3050
3050
37500
ST4R 180-25/6.0
2500
6
4
180
150
5,5 kW
4600
1600
1450
4700
ST4R 200-25/8.0
2500
8
6
200
180
7,5 kW
4700
1600
1450
6020
ST4R 220-25/10
2500
10
8
220
180
7,5 kW
4700
1600
1450
6000
ST4R 255-25/13
2500
13
10
255
210
11 kW
4700
1600
1470
6600
ST4R 275-25/16
2500
16
13
275
220
15 kW
4800
1625
1830
9025
ST4R 310-25/20
2500
20
16
310
240
18,5 kW
4800
1625
1830
11000
ST4R 340-25/25
2500
25
20
340
250
22 kW
5100
2050
1950
13500
ST4R 385-25/30
2500
30
25
385
290
30 kW
5300
2250
2000
18000
ST4R 400-25/40
2500
40
30
400
300
37 kW
5400
2350
2250
19500
ST4R 460-25/45
2500
45
35
460
350
37 kW
5850
2600
2310
29000
ST4R 500-25/50
2500
50
40
500
400
45 kW
6050
2900
2800
38000
ST4R 540-25/55
2500
55
45
540
450
55 kW
6200
3050
3050
46000
ST4R 200-30/6.0
3000
6
4
200
180
7,5 kW
5200
1600
1450
6500
ST4R 220-30/8.0
3000
8
6
220
180
7,5 kW
5300
1600
1450
7100
ST4R 255-30/10
3000
10
8
255
210
11 kW
5300
1600
1470
7600
ST4R 275-30/13
3000
13
10
275
220
15 kW
5300
1625
1830
10395
ST4R 310-30/16
3000
16
13
310
240
22 kW
5500
1625
1830
13000
ST4R 340-30/20
3000
20
16
340
250
22 kW
5800
2050
1950
18750
ST4R 385-30/25
3000
25
20
385
290
30 kW
5900
2300
2100
20000
ST4R 400-30/35
3000
35
25
400
300
37 kW
6000
2350
2250
22100
ST4R 460-30/40
3000
40
33
460
350
37 kW
6550
2600
2310
32000
ST4R 500-30/45
3000
45
35
500
400
45 kW
6550
2900
2800
41000
ST4R 540-30/50
3000
50
40
540
450
55 kW
6900
3050
3050
51000
The specifications above based on steel with yield point 240N/mm2 All measurements in the capacity table are in millimeters.