CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

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CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

Small is big- Press Brakes & Press Brake Tooling MetalTech Report

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Amada
Wide bending ranges
With models varying in capacity from 55-600 tons, Amada’s new HD NT press brake series can handle a range of applications in bend lengths from 79 to 276 in. (2006 to 7010 mm).

A hybrid drive system requires less hydraulic fluid than conventional machines and it maintains a high rate of repeatability (± .00004 in./ 0.010 mm).

Amada’s patented variable slit crowning feature ensures consistent angle accuracy. Larger models are equipped with an auto-crowning feature that provides precise results based on calculations created by the AMNC-PC control. Additional features include a high speed, precision bending sensor that eliminates test bends; increased distance between tooling and greater stroke length for a larger processing area that enables deep box bending, and increased distance between punch and die allowing for safe and easy processing of heavy materials.

To maintain bending accuracy while processing materials that vary in type, thickness and grain direction, the machine is equipped with BI (Bend Indicator) sensors that utilize probe and laser technology. BI-S (probe type) or
BI-L (laser type) result in trial-free bending. Bend angles are measured and adjusted on the fly to provide the correct angle on the first bend and to monitor and adjust angles throughout the run. BI technology boosts bending repeatability and reduces QA inspection and rework.
www.amada.ca

CincinnatiFast rams, fast setups
The Cincinnati Maxform press brake offers fast ram speeds, touch screen and offline programming, multi-axis backgauges, power clamping, autocrowning, and much more, claims the company.

PC-based operator controls improve productivity. Windows software, touchscreen interface and intuitive screen layout on a flat panel display eliminates two thirds of the programming steps compared to conventional CNC controls.  Programs are quickly entered manually or generated automatically using Cincinnati Bend Simulation Module software. Now operators can import CAD files, check for interference in realistic 3D views and generate programs without trial and error.

After creating the program, each choice of clamp offering, combined with the use of precision tooling, provides exceptionally fast tool changes and setups.

The Maxform provides the fastest cycle times in the industry with ram speeds up to 700 ipm and backgage speeds up to 3000 ipm, claims Cincinnati.  

Dual bed referenced .00002 in. resolution encoders and servo proportional valves maintain ram repeatability to +.0002 in. (3-sigma) along the entire length of the press brake. Cincinnati’s Dynamic Thickness Compensation (DTC) automatically compensates for material thickness variations without sacrificing productivity. Precision encoders, strain gauges and software combine to determine the material thickness at the start of each bend and automatically calculate a ram reversal position to produce the desired angle. DTC uses traditional air bend dies without purchasing and potentially damaging specialized tools with built-in sensors.

The standard Quick Clamp, modular bolt-on ram nose is for use with hardened, sectionalized tools. The risk of damaging the ram with short tool segments is greatly reduced as the load capacity is increased from 15 to 30 tons per square inch.

Programmable forming speeds, stroke stops and gauge pause time improves operator safety while maintaining productivity. Ram tilt is programmable per step about the centerline of the machine up to 1 in. end-to-end in either direction.
www.e-ci.com

LVD Strippit
Heavier forming capacities
LVD Strippit has expanded its PPEC Series of mid-range precision hydraulic press brakes to offer machines up to 700 tons. The higher tonnage models provide heavier forming capacity to suit a broad range of applications with machines from 39 tons in bend lengths up to 265 in. (6731 mm).

All the press brakes are equipped with LVD’s Cadman Lite control. Based on the same easy-to-use platform as the full-featured Cadman Touch control, this Lite version offers a number of the same key features, including 2D graphic programming with automatic collision detection, direct angle input or Quick Bend programming, and connection with LVD’s CADMAN-B offline programming software.

An Energy Reduction System (ERS) reduces cost of operation by offering energy savings of up to 30 per cent over comparable designs.

PPEC models up to 350 tons feature a rugged, welded one-piece frame machined without repositioning guaranteeing machine precision. Hydraulic cylinders are machined from a solid steel billet. Pistons are steel forgings, precision ground and micropolished for years of trouble-free service.

New higher capacity PPEC models from 350 to 700 tons offer a two axis (X, R) or four axis back gauge (X, R, Z1, Z2), two gauging fingers with 4 in. (100 mm) width, as well as a choice of vertical load, classic North American or Euro style tooling.
www.lvdgroup.com

Mitsubishi
New press brake line
MC Machinery Systems Inc. has launched a new line of Dener press brakes. The line offers a machine for any need, ranging from 40-2,000 tons and offering three to over 11 axis capability. 

The Smart machine is an entry-level three axis CNC unit (optional fourth axes). Advanced proportional valve control synchronizes its hydraulic cylinders for the best parallelism. Unit offers automatic tonnage adjustment and stroke adjustment for bending angles. 

The Puma comes standard with four axes (optionally more) and brings a more sophisticated 2D colour, 15-in. touch screen control. It also adds more ram and backgauge speed for production efficiency.

The Tiger is the series’ most loaded machine. It has six standard axes, CNC crowning, linear guided front sheet supports, 15-in. stroke, and 200 mm/s ram speed.
www.mitsubishi-world.com

Prima Power
Servo-electric press brake
Prima Power’s long press brake tradition has now been combined with the technology of servo-electric drive systems. The new eP-Series press brake is a fast, accurate, non-hydraulic  bending solution. 

Prima’s Electro CNC control and servo-electric drive system feature the advantage of high acceleration, deceleration and fast response times. The pulley-belt system distributes the force over the whole bending length, eliminating upper tool deformation.

Programming includes automatic bending sequencing and is done over a 17 in. touchscreen with intuitive 2D graphical interface. In case of off-line programming, the control is equipped with an interactive 3D visualization graphics. 

No compromises in productivity are needed to obtain highest operator safety. Lazer Safe’s “Block Laser” system provides safe high speed closing down to just 2 mm. Compared with other guarding systems or even unguarded machines, the block laser system can save up to 2 or more seconds per cycle.

Special attention has been given to the frame construction: the rigid O-frame eliminates horizontal deflection and allows back gauge positioning over the whole working length. The linear scales are mounted on independent side frames and guarantee a ram positioning accuracy of +-0.005 mm.

The innovative machine concept combines productivity, accuracy, flexibility and reliability with ecology, what the company calls “Green Means.” The concept offers sustainability, manufacturing efficiency and productivity. It means greater versatility, lower power consumption, less maintenance and no oil to purchase or to get rid of. In addition, easy programming and outstanding accuracy eliminate waste production. Better sheet metal components can simply be made at lower cost.
www.primapower.com

TRUMPF
Bending small parts
TRUMPF’s TruBend Series 7000 precision press brake are compact machines for the production of small bent parts up to 40 in. (1016 mm). Typical applications include sheet metal parts used in the production of vending machines and electrical equipment as well as in the telecommunications and aerospace industries. Bending such parts with large, heavy press brakes is typically inefficient because of the space and energy requirements involved.

The TruBend 7036 is part of the TruBend Series 7000 press brakes. TRUMPF says the press brake is known as the world’s most ergonomic press brake with its adjustable foot rest and table and tilt control.

It has ability to increase its bending speed simply by making adjustments to the machine parts relevant to the bending process: the back gauge and the beam. The back gauge is made with lightweight carbon fiber, and the surfaces on which the bent part contacts the fingers of the back gauge are made of hardened steel.

The torque motor, which drives the beam, can deliver power even at low speeds. It ensures rapid axis movements and is low maintenance, since it has no gears and, therefore, needs no gear oil. 

Ergonomically designed, the operator can control the machine while sitting down and work without becoming fatigued. Gas spring supported pedals allow the height and angle of the foot rests to be adjusted. The arm support is also adjustable in height.

In addition, the monitor for the TASC 6000 control system of the TruBend Series 7000 can be adjusted electronically and set to the appropriate angle.
www.us.trumpf.com

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