In the realm of material handling, traditional NC feeder machines faced a critical challenge – a tendency for upward deflection during the entry of coiled material, impacting stability and precision in the feeding process. This article explores a transformative solution to this issue, introducing an innovative thickness adjustment device that not only addresses misfeeds but also provides flexibility in handling materials of varying thickness.

Unveiling the Limitations of Traditional NC Feeders

Upward Deflection Woes

Conventional NC feeder machines, equipped solely with a lower roller at the material inlet, grapple with a persistent issue of upward deflection during material entry. This phenomenon not only compromises stability but also hinders the precision required in the feeding process.

Thickness Constraints

Adding to the challenges, traditional feeders lack the ability to adjust the material thickness, confining their functionality to a specific thickness value. This limitation forces operators to juggle distinct feeder models for materials with varying thickness, introducing unnecessary complexity and inconvenience.

The Game-Changing Thickness Adjustment Device

To counter the inherent issues of misfeeds and tilting at the material inlet, an advanced thickness adjustment device has been seamlessly integrated into the NC feeder machine. Positioned strategically between the side plates at the material inlet, this device comprises crucial components for enhanced functionality.

Components of the Thickness Adjustment Device

  1. Upper Roller with Hollow Axis:
    • Internally traversed by an eccentric shaft, the upper roller takes on a hollow axis form.
    • Eccentric bearings with hexagonal keys at both ends of the shaft provide stability and precision.
  2. Adjustment Knob:
    • Equipped with hexagonal keys, the adjustment knob regulates the position of the eccentric shaft.
    • A spring and a screw for removable installation of active shims are situated between the knob and the side plate.

Operational Mechanism

In the operational state, the adjustment knob engages with the side plate through external and internal teeth, secured by shims and a spring. When adjustment of the material thickness gap is required, a simple pull and rotation of the knob at a specified angle facilitate the process. The engagement is re-established upon release, ensuring seamless operation.

Precision Enhancement with Guide Rollers

The internal hollow of the upper roller accommodates the eccentric shaft, allowing rotational movement that facilitates material advancement. Guide rollers placed strategically on both sides, close to the upper and lower rollers, ensure immediate positioning of the coiled material, enhancing stability and reliability in material feeding.

Threefold Advantages of the Thickness Adjustment Device

  1. Effortless Thickness Adjustment:
    • The hollow axis design of the upper roller, coupled with the eccentric shaft and adjustment knob, allows easy adjustment of clearances for materials with varying thickness values.
  2. Directional Precision:
    • By limiting the freedom of movement between upper and lower rollers, the device enforces precise forward or backward directional motion, elevating accuracy and stability in the feeding process.
  3. Enhanced Guiding Effect:
    • Coordinated with guide rollers at the material inlet, the thickness adjustment device amplifies the stability and precision of material feeding, providing a seamless experience in the NC feeder machine.

In conclusion, the integration of the advanced thickness adjustment device into NC feeder machines marks a paradigm shift in material handling. Overcoming the limitations of traditional feeders, this innovation ensures not only stability and precision but also a simplified and efficient approach to handling materials of diverse thicknesses.

NC Feeder Machine
NC Feeder Machine