CNC Press Brake With DA52S System

BENEFITS OF KRRASS® PRESS BRAKES

KRRAS® press brakes benefit your bottom line with higher quality parts, faster cycle times, lower operating and maintenance costs. Whether your application requires bending simple shapes or complex parts, KRRAS® has a press brake to match your needs and your budget. KRRASS® press brakes are designed for reliability, repeat-ability, precision, performance and ease-of-operation.

We offer several series of press brakes with features and options tailored to different manufacturing environments. Each series offers a range of lengths and tonnages. KRRAS® can also custom design and manufacture a press brake to your exact needs.

All our brakes are designed for high performance. Five key design features will increase your productivity and decrease your per part cost.

Design innovations based on our years of experience have resulted in faster and more accurate speeds on the ram approach, bending, return and back gauge positions.

STANDARD EQUIPMENT

√ DELEM DA-52S CNC control unit 5 axis CNC

√ Y1, Y2 precision ram positioning

√ Standard BGA-1 for X( X=600mm)

√ CNC motorized wave &Hydraulic crowning

√ Rexroth hydraulic valve block, pump and valves

√ High Siemens efficiency motor– class IE3

√ Stand By Function for energy-saving drive

√ Rear cover: Safety barriers (Category IV)

√ Sheet metal frontal supports

√ Front and rear lighting

MAIN FEATURES

RIGID FRAME CONSTRUCTION & DUAL HYDRAULIC CYLINDERS

The foundation of every KRRAS® press brake is a solid, mono-block frame made from mill certified, high-yield steel. As a result our press brakes perform accurately and reliably year after year. We’re so confident in our frames that we offer a 10-year warranty with our standard machines.

Dual hydraulic cylinders located on either side of the ram provide faster approach speeds. The cylinders are synchronized to provide smooth motion resulting in precise ram positions to accuracies of .0004″

CONTROL SYSTEMS

DELEM DA-52S CONTROL

The compact DA-52S is a complete CNC solution for Y1-Y2 synchronized press brakes. The panel based control, capable of controlling up to 4 axes, can be integrated in cabinets as well as in an optional pendulant arm housing.

Equipped with the Delem user friendly interface, the DA-52S provides all main press brake functionality. The unique ‘hotkey’ navigation gives direct access to the programs in memory and enables quick and easy programming of a product.

All common bend parameters are located on one page. For advanced parameters an additional page can be selected. Angle programming of the Y-axis, crowning function and pressure control are standard on board.

STANDARD

Synchronised / conventional press brake control
Color LCD display
LED back light
266 MHz processor
Short travel keyboard technology
Memory capacity 64 MB
Tool library
30 punches
30 dies
Data backup / restore via USB
Power-down memorization
Integrated valve amplifier

HYDRAULIC SYSTEM

Germany Rexroth fully closed-loop electro-hydraulic servo synchronously controls the system
Latest high-frequency responding hydraulic control technology, faster, more efficient and higher accuracy.
Press Brake using fully closed-loop electro-hydraulic servo control technology, slider position signals can be feedback to NC system by bilateral gratings, then NC system adjusts the amount of fuel tank by changing the synchronous valve

Hydraulic Crowning

One of the options that can definitely improve the quality in a workshop is the Hydraulic Crowning. The crowning system is no longer managed automatically by the CNC, but the necessary corrections are made in real time for each bend. This system ensures great results even when the operator is not skilled. With the Hydraulic Crowning the CNC manages indipendently the correction of the bending angle, without the intervention of the user, assuring a perfect bend even on irregular material (i.e. drilled or pierced sheets, etc.)

Mechanical Crowning Table Option

Manual crowning tables may be used for bed compensation causing the bed and table to be parallel with the ram insuring consistent bend angles all along the workpiece. This crowning table may be manually adjusted or CNC adjusted.

BACK Backgauges

Among the technical and structural features we can mention:

movements on ballscrews for higher precision and smoothness;
backgauge mounted onto the side frame, within a milled lodging, (precise up to the hundredth), powered by brushless servo drives, with integrated CAN open electronics, that ensure high performances;
grinded rack transmission, that guarantees high speed of the axes (560 mm/s) and a positioning precision of ±0,02 mm, therefore high production rates, high standards and noiselessness;
new backgauge built with a 10 mm structural beam, with an innovative system for the management of the parallelism, that will allow maximum flexibility for customizations together with extreme rigidity and strength;
complete fingers, running on two opposite linear guides

The basic BACK model has 1axes (X), and can be upgraded up to 2 axes (X, R).

OPTIONAL UPGRADES

When necessary to boost the machine performance, the KRRAS® press brake can easily be upgraded with various options.

√ Update controller to DA53T,DA58T,DA66T

√ Automatic R-axis

√ Photoelectric protection satetyguard

√ Laser protection safetyguard

√ WILA hydraulic clamps

√ Optional die

DELEM DA53T System

DELEM DA58T System

DELEM DA66T System

SAFETY SYSTEMS

DSP LASER FINGER PROTECTION

The safety photoelectric device DSP LASER is a monoray barrier with visible laser emission that, integrated n a more general check system, contributes to the operator’s protection.

Gooseneck die

Single V die

Double-V

Muliti-V die

Technical Parameters

Model	Bending Pressure (Kn)	Bending Length（mm)	Column Distance (mm)	Throat Depth(mm)	Slider Stroke(mm)	Max. Opening Height(mm)	Main Motor(Kw)	Length* Width*Height(mm)
40T / 2200	400	2200	170	350	100	340	4	2600 * 1450 * 2050
63T / 2500	630	2500	1900年	350	170	380	5.5	3100 * 1450 * 2050
100T / 3200	1000	3200	2700	400	200	420	7.5	3500 * 1580 * 2400
100T / 4000	1000	4000	3500	400	200	420	7.5	3500 * 1580 * 2400
110T / 3200	1100	3200	2700	400	200	420	7.5	3500 * 1580 * 2400
125T / 3200	1250	3200	2700	400	200	450	11	3500 * 1580 * 2400
125T/ 4000	1250	4000	3500	400	200	450	11	4100 * 1580 * 2400
135T / 3200	1350	3200	2700	400	200	450	11	3500 * 1580 * 2400
160T / 3200	1600	3200	2700	400	200	450	11	3500 * 1650 * 2500
160T/ 4000	1600	4000	3500	400	200	450	11	4500 * 1700 * 2800
160T/ 5000	1600	5000	3900	400	200	460	11	5500 * 1750 * 2900
160T/ 6000	1600	6000	5850	400	200	460	15	6500 * 1800 * 2900
175T / 3200	1750	3200	2700	400	200	450	11	3500 * 1650 * 2500
200T / 3200	2000	3200	2700	400	200	450	15	3500 * 1680 * 2550
200T/ 4000	2000	4000	3500	400	200	450	15	4500 * 1700 * 2880
200T/ 5000	2000	5000	4300	400	200	450	15	5500 * 1750 * 2880
200T/ 6000	2000	6000	5200	400	200	450	15	6500 * 1850 * 2880
250T / 3200	2500	3200	2700	400	200	450	15	3500 * 1700 * 2600
250T/ 4000	2500	4000	3100	400	200	450	15	4200 * 1700 * 2600
250T/ 5000	2500	5000	4300	400	200	450	15	5200 * 1750 * 2650
250吨/ 6000	2500	6000	5200	400	200	450	15	6200 * 1780 * 2670
300T / 3200	3000	3200	2700	400	200	450	22	3500 * 1800 * 2730
300T / 4000	3000	4000	3500	400	200	450	22	4200 * 1850 * 2700
300T/ 5000	3000	5000	4300	400	200	450	22	5200 * 1880 * 2720
300吨/ 6000	3000	6000	5200	400	200	450	22	6200 * 1890 * 2750
400T/ 4000	4000	4000	3500	400	320	520	30	4500 * 2450 * 3500

Bending sample

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