In the ever-evolving landscape of sheet metal stamping, the synergy of quality and automation has propelled the industry towards rapid advancements. A pivotal player in this progress is the Numerical Control (NC) punch press, making waves for its heightened automation and unparalleled processing efficiency. This article explores the transformative potential of NC punch presses and how integrating high-precision feeding devices onto precision presses addresses cost-effectiveness challenges.

Precision Evolution: NC Punch Press Dominance

Meeting Demands with Precision Feeding Devices

In catering to the processing requirements of mid-to-low-end clients, the conventional NC punch press encounters hurdles due to its high cost. However, a strategic solution lies in the integration of high-precision feeding devices onto precision presses, ensuring cost-effectiveness without compromising on processing specifications.

Overcoming Precision Challenges in Stamping Processes

The Pitfalls of Conventional Feeders

Conventional air feeders and roller feeders grapple with significant alternating impact loads during stamping processes, leading to imprecise feeding. The coordination between feeding and discharging actions, along with alignment issues with die stamping points, hampers optimal performance. Enter NC feeders—a groundbreaking solution to these challenges.

Precision Unleashed: NC Feeders in Action

On precision presses, the incorporation of rotary encoders revolutionizes the feeding process. The press crankshaft’s specific position is detected, guiding the NC feeder through high-precision feeding, relaxing, resetting, and clamping actions. This innovative approach mitigates historical issues of untimely relaxation actions, optimizing the entire feeding process.

Efficiency Unleashed: NC Feeders in Practical Application

Maximizing the Feeding Interval

In practical scenarios, NC feeders, synchronized with precision presses, capitalize on the feeding interval from 240° clockwise to 90°. Initiating feeding at 240° and concluding at 90° minimizes energy loss, resulting in minimal servo driver current fluctuations. This optimized method ensures minimal impact, slower wear, fewer malfunctions, and a significantly extended lifespan for the NC feeder.

Advanced Compensation for Feeding Errors

The NC feeder introduces an angle advance compensation function to address potential feeding errors in continuous production lines. By utilizing a relaxation function controlled by an electromagnetic valve-driven cylinder, this feature ensures timely and precise relaxation actions, even during high-speed operations. The integration of a rotary encoder on the punch press further enhances the control system’s ability to compensate for speed variations, achieving high-speed, high-precision feeding.

In conclusion, the integration of NC punch presses with high-precision feeding devices marks a paradigm shift in sheet metal stamping. This synergy not only addresses cost-effectiveness challenges but also enhances overall efficiency, paving the way for a new era of precision and automation in the industry.

NC Punch Press
NC Punch Press