Shaping Safety Devices TRIZ Cases

Ion sensing inside a feed axis motor identifies cutting liquid intrusion early, helping prevent foreign matter damage and machine tool downtime.

A skewed static guard fits uneven die spaces to block hand access during open-cycle sheet feeding while preserving visibility.

Dual position checks deactivate forming press radiation detectors only at verified tool positions, improving safety timing and reliability.

Dual position checks with correction values deactivate a forming machine radiation detector only at the verified position, improving safety.

A pilot-operated logic valve in a closed hydraulic circuit speeds die cushion pressurization and stabilizes force near bottom dead center.

A moving optical beam and redundant position feedback protect the bending-machine gap and stop tool approach before hand injury occurs.

A movable radiation light barrier tracks the tool position to protect the bending machine working gap without sacrificing usable stroke.

Dual optical safety zones let a bending machine handle non-parallel bend lines while shutting down the upper tool drive when intrusion is detected.

A pilot-operated logic valve and pressure feedback stabilize die cushion pressure faster, cutting servomotor size, cost, and flow disturbance.

Color-coded and conductive wear layers reveal bending tool wear early, enabling planned replacement, axis adjustment, and less scrap.

A controller uses the bending tool tip as a reference to auto-position the light barrier, avoiding unsafe misalignment from incorrect tool data.

A shared cable-coupled adjuster moves press brake transmitters and receivers together, saving space and improving operator-safe positioning.

An adjustable light barrier unblocks the guide rail opening for heavy bending tool changes while preserving safe press operation.

Invalidating photodiodes affected by upper-die shadow expansion helps press brakes avoid false foreign-body detection during bending.

Independent pressure and position cylinders keep the cushion pad pre-pressurized at standby, improving forming accuracy and reducing surge pressure.

Switching beam sensitivity by bending stage and receiver height improves thin workpiece detection without magnet sheet setup.

Back-pressure monitoring predicts hydraulic circuit contamination in a press brake, enabling earlier maintenance and less downtime.

Corrected punch depth combines springback, bending load, and tool deflection to improve press brake angle accuracy.

Calculated spring back, bending load, and punch and holder deflection are combined into depth control to improve sheet metal bending angle accuracy.

Real-time pressure and lowering-speed monitoring predicts hydraulic contamination in a press brake, helping prevent downtime and costly failures.

Selective photodiode invalidation prevents false foreign-body detection when temperature gradients enlarge upper die shadows in press brakes.

A movable safety barrier with optical detection protects the bending work area while preserving operator access for loading and unloading.

A press brake uses tool tip shadow detection to auto-position the light barrier, avoiding unsafe settings across different bending tools.

A movable light barrier clears the guide rail opening for heavy or unusual press brake tools while restoring safety coverage during bending.

Multiple optical light barriers monitor front and gap-adjacent tool spaces to stop tool motion when operator entry is detected.

A spring-loaded pinch switch triggers powered punch advance only after set force, avoiding dirty-environment false trips and complex interlocks.

Independent pressure and position control keeps the cushion pad at standby during pre-pressurization, preventing blank bending and force variation.

Continuous slide and cushion pad position tracking detects wrinkles during forming, enabling die cushion force adjustment and die protection.

Dual optical sensors monitor front and downward safety zones around the working gap to prevent operator intrusion during bending.

Segmented pressure patterns suppress fluctuations by reducing overshoot during high-speed transitions, maintaining molding precision.

Replacing mechanical guide rails with a laser sensor eliminates rolling errors and ensures accurate angle measurement during bending.

A servo-motor die cushion control apparatus calculates preliminary speed commands to mitigate collision impacts.

A vibration severity monitor detects press machine acceleration levels to dynamically adjust shutheight settings.

A control device generates signals from operator movement profiles to activate emergency stops.

Merges detection with clamping in the pressure plate, eliminating separate sensing tables and reducing device complexity while maintaining high reliability.

Segmented safety devices detect press beam intrusions at staggered distances, triggering speed reduction or emergency stops to prevent operator entrapment.

Electronic comparison means detect light barrier position deviation to correct safety distance settings automatically.

A hybrid forging press drive uses a flywheel and servomotor to move the slide.

A wireless sensor control device integrates detection modules into operator clothing to generate machine commands via physical gestures.

A fine blanking head uses a V-shaped projection piston and touch piston to detect foreign bodies via hydraulic pressure changes.

A die cushion control device switches servo-motor modes between speed and force regulation to manage slide dynamics.

Real-time video measurement captures actual bend coordinates after springback, enabling the controller to calculate correction factors for subsequent bends.

Optical detection corrects positional deviations to ensure symmetrical bending accuracy.

A servomotor-based press machine control device coordinates slide and die cushion motion to prevent excessive force buildup during operation.

Replacing optical cameras with strain transducers, this force-based detection method identifies broken mandrel fragments in harsh environments.

A servo motor die cushion drive system returns regenerated energy to the AC power supply via a bidirectional inverter circuit.

A press brake safety device uses a laser projector and photodetector to monitor the space between punch and die for intrusion detection.

A press brake safety device uses an incoherent light source and imaging optics with an aperture stop to generate a spatially resolved image for edge detection.

A machine tool switches processing modes to move both the workpiece and cutting head together or the head alone.

A dual distance measuring system compares real-time and accurate position signals to verify tool holder location.