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Press brakes

CNCL-K 120-3100 TSI
Safan
Inventory number: 191175

YOM:2002
: 120
: 3100
: 3
: YES
: Hydraulický
: 180

E 37300
Durma Turkey
Inventory number: 241011

YOM:2008
: 300
: 3700
: 3
: YES
: Hydraulický
: 245

HFE 100-3
AMADA
Inventory number: 231690

YOM:2006
: Operateur 2000
: 100
: 3000
: 8
: NO
: Hydraulický

E-BRAKE 100-3100 TS1
Safan
Inventory number: 241074

YOM:2007
: 100
: 3100
: 6
: NO
: Elektrický
: 3160

CTO 400/5000
Stroje a zariadenia Piesok s.r.o.
Inventory number: 142095

: 5000
: 400
: 300 x 5000
: 315
: 37
: 5900 x 2010 x 3600

HFT 50-20
AMADA
Inventory number: 241151

YOM:2005
:
: 50
: 2085
: 4
: YES
: Hydraulický

HG-170.3
AMADA
Inventory number: 241021

YOM:2022
:
: 170
: 3000
: 6
: YES
: Hydraulický

HFT 80-25
AMADA
Inventory number: 241152

YOM:2001
: 80
: 2620
: 4
:
: 200
: 5750

PPC 70/25
LVD
Inventory number: 231919

YOM:1983
: 70
: 2500
: Hydraulický

PPI 110/30 MNC 95
LVD
Inventory number: 211546

YOM:1995
: MNC 95/C
: 110
: 3050
:
:
: Hydraulický

PR 6
Beyeler
Inventory number: 231192

YOM:1997
: 3100
: 100
: DNC 800
: 6
: Hydraulický
: YES

CPR135 - 4000
Salvagnini
Inventory number: 231225

YOM:2003
: 135
: 4000
: 7
: YES
: Hydraulický

B3 220/3000
Salvagnini
Inventory number: 241418

YOM:2016
: 220
: 3060
: 9
: YES
: Hydraulický
: 450

CNCK 225 - 4300
Safan
Inventory number: 231843

YOM:1981
:
: 4300
: 225
: 225
: 4300 x 250
: 15

PBH 110-3100-4C+robot ANTIL Twister F5
Unknown
Inventory number: 241219

YOM:2006
: ModEva 10S
: 110
: 3100
:
: YES
: Hydraulický

HFE 3i 1003
AMADA
Inventory number: 241019

YOM:2021
:
: 100
: 3200
: 8
: YES
: Hydraulický

HFT 130-4
AMADA
Inventory number: 231780

YOM:2005
:
: 130
: 4200
: 4
: YES
: Hydraulický

HFBO 220/3000
AMADA
Inventory number: 241430

YOM:1998
: 220
: 3000
: 5
: NO
: Hydraulický
: 13500

TruBend Cell 5000
Trumpf
Inventory number: 241260

YOM:2017
: 230
: 4250
: 4
: YES
: Hydraulický

AD-R 25100
Durma Turkey
Inventory number: 231424

YOM:2014
: DNC 880 S
: 100
: 2550
: 4
: YES
: Hydraulický

PFO/PS/N 400/50
Farina
Inventory number: 231152

YOM:2005
: DA - 65
: 400
: 5100
: 3
: YES
: Hydraulický

APX 100/30
AMADA
Inventory number: 221464

YOM:1998
:
: 100
: 3000
: 7
: YES
: Hydraulický

PPEB - EQ 80/2000
LVD
Inventory number: 231829

YOM:2008
: 80
: 2000
: 6
: YES
: Hydraulický
: 12,5

GEB 100/3000 NC
Györ-Sopron Géfi
Inventory number: 231042

YOM:2000
: 100
: 3000
: 1
: NO
: Hydraulický
: 7,5

CTO 160
Stroje a zariadenia Piesok s.r.o.
Inventory number: 221685

YOM:1992
: 160
: 4000
: Hydraulický
: 16,50
: 4000 x 1690 x 2630
: 12100

12

Forming machines used for processing (bending) of sheet metal. These machines are currently replaced by bending machines, because they are hydraulically driven and can work with greater pressures and lengths of bent parts.

During this kind of material processing , there is no waste and semi-finished products are used. It is also possible to bend very small workpieces of very small radius

Different types of punches and dies are used here as tools. These tools can be of different shapes and lengths. To clamp these tools mechanical or hydraulic clamping is used. Laser inspection can be used for maximum tool accuracy. Mechanical systems are used to drive the press, with an electric motor driving a system of pulleys and belts. Or a hydraulic one, which drives the hydraulic unit via an electric motor and the latter moves the ram through the pressure of the cylinders. 

The rear stop is very important for a press brake. It ensures the correct positioning of the workpiece in the machine. Semi finished product is pressed against the thumb, which is on the stop and ensures the correct position with respect to the tool. The rear stop is controlled by a CNC system and it moves to precise positions according to the program. Machine can operate in up to 6 axes. 

There are following axes:

X - along which the stop moves forward and backward

Z - along which the stop moves to the left or to right

R - along which the stop moves up and down

Another important function of press brakes is cambering. It is a process when the the long parts are bended the resistance of the material to the upper tool, elastic deformation of the part of the ram with the punch occurs. This can be prevented by underlying the matrix in the central part, grooves on the edges of the working table or automatic system.

Press brake control

Today, press brakes are controlled by a computer systems. Based on the entered values (material, tools, length, etc…)  calculates the production process, the movement of the stops or the bending force. Afterwards the machine can work in three following modes . 

  • Manual mode
  • Semi-automatic mode
  • Automatic mode

Types of press brakes

Press brakes are designed with different types of drivers such as machines with manual control, mechanical or hydraulic driver.  Each has its advantages and disadvantages. Furthermore, it is possible to divide press brakes according to their construction into segmental, tandem and combined.

Manufacturers of press brakes

Most popular manufacturers are TRUMPF, DURMA, SAFAN DARLEY, BYSTRONIC, GASPARINI, Haco, Beyeler, Promecam, Hämmerle. 

Currently, the most widely used and manufactured are hydraulic press brakes, which are CNC controlled.Top machines are from following manufacturers: Trumpf, Amada, Bystronic. These manufacturers use either their own CNC system for control or universal ones such as Delem, Cybelec, ESA..  These machines achieve a high level of automation of the operating cycles and therefore the maximum use of their capabilities. Of course press brakes from these top manufacturers are very expensive to purchase.