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Press brakes

HFT 50-20
AMADA
Inventory number: 241151

YOM:2005
Control system Amada:
Bending power: 50 t
Bending length: 2085 mm
Number of driven axes: 4
Lower compensation movement: YES
Type of press drive: Hydraulický

HFT 80-25
AMADA
Inventory number: 241152

YOM:2001
Bending power: 80 t
Bending length: 2620 mm
Number of driven axes: 4
Lower compensation movement:
Ram stroke: 200 mm
Machine weight: 5750 kg

Trubend 7036
Trumpf
Inventory number: 241892

YOM:2018
Bending power: 36 t
Bending length: 1020 mm
Number of driven axes: 8
Lower compensation movement: NO
Type of press drive: electro-mechanical
Ram stroke: 120 mm

AdvanceForm 6100-400
Vartek Machinery
Inventory number: 251042

YOM:2022
Control system Delem: DA - 69 T
Bending power: 400 t
Bending length: 6100 mm
Number of driven axes: 8
Lower compensation movement: YES
Type of press drive: Hydraulický

Xpert 320 x 4100
Bystronic
Inventory number: 242048

YOM:2018
Bending power: 320 t
Bending length: 4100 mm
Number of driven axes: 8
Lower compensation movement: YES
Type of press drive: Hydraulický
Max. ram stroke: 565 mm

SMK-K50-2550 TS1
Safan
Inventory number: 251258

YOM:2002
Control system SAFAN: TS 1
Bending power: 50 t
Bending length: 2550 mm
Number of driven axes: 4
Lower compensation movement: NO
Type of press drive: Elektrický

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

YOM:2005
Control system Delem: DA - 65
Bending power: 400 t
Bending length: 5100 mm
Number of driven axes: 3
Lower compensation movement: YES
Type of press drive: Hydraulický

PPEB - EQ 80/2000
LVD
Inventory number: 231829

YOM:2008
Bending power: 80 t
Bending length: 2000 mm
Number of driven axes: 6
Lower compensation movement: YES
Type of press drive: Hydraulický
Main motor power: 12,5 kW

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

YOM:2000
Bending power: 100 t
Bending length: 3000 mm
Number of driven axes: 1
Lower compensation movement: NO
Type of press drive: Hydraulický
Main motor power: 7,5 kW

APHS 31160
BAYKAL
Inventory number: 251317

YOM:2014
Control system Delem: DA - 66 T
Bending power: 160 t
Bending length: 3100 mm
Number of driven axes: 4
Lower compensation movement: NO
Type of press drive: Hydraulický

APH 2606/90
BAYKAL
Inventory number: 241359

YOM:2004
Bending power: 90 t
Bending length: 2600 mm
Number of driven axes: 2
Lower compensation movement: NO
Type of press drive: Hydraulický
Main motor power: 11 kW

ITPS 8025
AMADA
Inventory number: 231041

YOM:1989
Control system EMA:
Bending power: 80 t
Bending length: 2500 mm
Number of driven axes: 4
Lower compensation movement:
Type of press drive: Hydraulický

HFE 100-3
AMADA
Inventory number: 251238

YOM:2006
Control system Amada: Operateur 2000
Bending power: 100 t
Bending length: 3000 mm
Number of driven axes: 8
Lower compensation movement: NO
Type of press drive: Hydraulický

APHS 61440
BAYKAL
Inventory number: 251045

YOM:2015
Control system Delem:
Bending power: 440 t
Bending length: 6100 mm
Number of driven axes: 4
Lower compensation movement: YES
Type of press drive:

LO 50
Stroje a zariadenia Piesok s.r.o.
Inventory number: 241680

YOM:1969
Bending power: 50 t
Bending length: 2500 mm
Type of press drive: electro-mechanical
Main motor power: 5,5 kW
Ram stroke: 65 mm
Ram adjustment: 125 mm

VIMERCATI 100 x3050
Vimercati
Inventory number: 231772

YOM:2007
Control system Cybelec:
Bending power: 100 t
Bending length: 3050 mm
Number of driven axes: 6
Lower compensation movement: NO
Type of press drive: Hydraulický

TrumaBend V 130
Trumpf
Inventory number: 231213

YOM:2006
Control system Delem: DA - 69 T
Bending power: 130 t
Bending length: 3200 mm
Number of driven axes: 4
Lower compensation movement: YES
Type of press drive: Hydraulický

CTOF 160/3200
Fermat
Inventory number: 251279

YOM:2006
Control system Mitsubishi:
Bending power: 160 t
Bending length: 3200 mm
Number of driven axes: 3
Lower compensation movement: YES
Type of press drive: Hydraulický

CNC AP 3100/120
ERMAKSAN
Inventory number: 231826

YOM:2005
Control system Delem: DA - 65 R
Bending power: 120 t
Bending length: 3100 mm
Number of driven axes: 3
Lower compensation movement: YES
Type of press drive: Hydraulický

CNC AP 3100 x 100
ERMAK
Inventory number: 241660

YOM:2009
Control system Delem: DA - 66 W
Bending power: 100T t
Bending length: 3100 mm
Number of driven axes: 6
Lower compensation movement: YES
Type of press drive: Hydraulický

LE 100/3000
Gefi Györ
Inventory number: 211319

YOM:1976
Bending power: 100 t
Bending length: 3000 mm
Type of press drive: Hydraulický
Main motor power: 17 kW
Machine dimensions l x w x h: 3000 x 1170 x 2410 mm
Machine weight: 7500 kg

HFE 100 M2
AMADA
Inventory number: 241707

YOM:2012
Control system Amada:
Bending power: 100 t
Bending length: 3110 mm
Number of driven axes: 7
Lower compensation movement: YES
Type of press drive: Hydraulický

PPEB 135/30
LVD
Inventory number: 251140

YOM:2004
Control system LVD: CADMAN
Bending power: 135 t
Bending length: 3000 mm
Number of driven axes: 5
Lower compensation movement: YES
Type of press drive: Hydraulický

Trumabend V 130
Trumpf
Inventory number: 231536

YOM:1999
Control system Delem: DA - 69 T
Bending power: 130 t
Bending length: 3060 mm
Number of driven axes: 5
Lower compensation movement: YES
Type of press drive: Hydraulický

PR 6
Beyeler
Inventory number: 231192

YOM:1997
Bending length: 3100 mm
Bending power: 100 t
Control system Cybelec: DNC 800
Number of driven axes: 6
Type of press drive: Hydraulický
Lower compensation movement: YES

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.