Press brake offers improved cycle time

February 13, 2007

Cincinnati Inc. offers an optional six-axis backgage on its high-speed Maxform hydraulic press brakes. The backgage uses linear motor drive to deliver repositioning speeds of 3,000 IPM in X (in/out) and Z (left/right) axes. The high-speed positioning eliminates resets waiting time for optimum sequential bending of complex parts.

The six-axis backgage uses ballscrew drive in R (up/down) axis where changes are infrequent. The breakthrough backgage complements the machine's capabilities. Advanced hydraulics and control technologies deliver up to 700 IPM ram speeds with 3 Sigma (±0.0002 in.) repeatability for consistency in bending complex parts without deviation, drift, or error stacking.

Especially suited to high-volume manufacturing operations, the high-speed machine is available in 90 to 350 ton models and lengths to 14 ft.

The linear motors reduces noise, wear, and maintenance downtime. No mechanical load is exerted on the drive from operators pushing material against gage fingers over years of use.

"Smart" graphic controls guide operators through each step of the bend sequence with 3-D part views. Graphic displays and simulation software allow quick programming and set up and fast cycle speeds. "See and do-right" 3-D graphics and automatic processing intelligence compensate for varied operator experience levels.

The press brake comes standard with a bolt-on Quick Change ram nose designed for hardened, sectionalized American tooling. It maximizes ram protection by doubling load capacity from 15 to 30 tons per square inch. Bolt-on options available include a Euro-style ram nose for European punch holders, and various hydraulic clamping systems.

Precision sectionalized tooling enables quick setup without aligning dies, while a comprehensive range of CNC programmable gages saves downtime by eliminating manual adjustment of gage fingers. A low-profile, five-axis backgage comes standard, while the press brake can be optionally ordered with the linear-motor-drive six-axis backgage, a CNC plate backgage, or CNC frontgage. All power gages are laser-compensated at the factory for positioning precision.

An industrial PC-based touchscreen control and Windows® software eliminate facilitate programming. A Bend Simulation Module, standard on the press brake, allows programs to be quickly created offline or at the machine and proved out step-by-step in realistic 3-D views to avoid trial bending. Smart controls automatically calculate and apply adjustments for ram reversal position, bottom bending tonnage, gage allowances, and material springback.

The press brake features built-to-last construction. A rigid, heavyweight platform features interlocked frame members that eliminate weld joint failures. Hardened linear guides maintain ram accuracy, while clevis-mounted cylinders and hardened piston rods reduce wear, leaks, and maintenance.

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