In stamping automation production lines, ensuring the smooth and accurate feeding of materials plays a crucial role in maintaining efficiency and product quality. One common challenge faced while working with thin materials is their tendency to bend and create an arch-like shape. This issue can be mitigated by using pull-type feeders, specifically, pull-type NC servo feeders, which offer unparalleled precision and ease of use.
Optimal Feeder Placement for Thin Materials
Traditionally, feeders are mounted at the front of the stamping die. However, when dealing with thin materials, this placement can lead to bending and arching. To counter this issue, it is essential to install the feeder at the rear of the stamping die, allowing it to pull the stamping strip forward within a single motion cycle. This alternative feeder configuration is known as a pull-type feeder.
Challenges with Conventional Air Feeders
Most stamping industry feeders currently in use are air feeders, which require numerous complex adjustments to maintain standard dimensional requirements. Operators must loosen fixing screws, adjust the cylinder stroke, and re-fix the screws, followed by testing and measuring the strip multiple times. This tedious process relies on manual fine-tuning, resulting in achievable precision of only 0.1mm.
Advantages of Pull-Type NC Servo Feeders
To boost the efficiency of stamping production lines and enhance product quality, we recommend using pull-type NC servo feeders. These feeders streamline operational procedures and improve feeding accuracy to an impressive 0.01mm.
Operating Principle of Pull-Type NC Servo Feeders
The pull-type NC servo feeder operates by allowing users to set feeding parameters, such as pitch and speed, via a touch screen interface. The data is then transmitted to a programmable logic controller (PLC), which processes the information and sends it to a pulse output module. This module forwards the output pulse to a servo controller, which drives the AC servo motor. An encoder, mounted coaxially on the motor’s rear, converts the motor’s speed information into an encoding signal. This signal is sent back to the servo controller, forming a closed-loop servo feedback mechanism that enhances feeding accuracy. Once the NC servo feeder parameters are set, the desired accuracy of 0.01mm can be achieved with a single adjustment.
High-Quality Components for Precision Feeding
Our NC servo feeders utilize Mitsubishi PLCs and Yaskawa servo motors in an optimized electrical control configuration, ensuring exceptional feeding precision.
Convenience and Reliability of Pull-Type NC Servo Feeders
Pull-type NC servo feeders offer a convenient and dependable method of making adjustments, replacing mechanical components with electrical ones, which simplifies the machine’s structure. During the production process, the pitch and speed are set based on the mounted die using the touch screen’s feeding parameter settings. After inputting the strip parameters, the strip is passed through the feeder’s material support frame and positioned by the material stopping wheel. Once the machine starts, the pull-type feeder completes the feeding action through reciprocating movements.
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