Yarn Guide Plate for Barmag

Product Description

The wave plate is a core precision component of  Barmag take up winder that controls the shape of  the bobbins. It directly dictates the quality of bobbins, such as end-face flatness and the presence of defects like bulge or cobwebbing.
1. Core Functions
During high-speed winding, the yarn must not only wrap around the paper tube but also oscillate laterally. The forming plate serves to:
• Control Stroke Length: It mechanically restricts the movement of the yarn guide through its specific curved profile.
• Correct Edge Hardness: The design of the curve adjusts the dwell time of the yarn at both ends of the bobbin. This prevents "hard edges" (excessive thickness) or thin edges, ensuring a flat and uniform end-face.
• Prevent Formatting Defects: A scientifically designed profile effectively avoids "ribboning" during the winding process, ensuring there are no breakages during downstream unwinding.
2. Common Issues and Maintenance
If the wave plate is compromised, it typically manifests as "poor bobbin formation":
• Wear and Tear: Long-term, high-frequency reciprocating motion can cause microscopic grooves on the plate surface. This leads to vibration during directional changes, often resulting in looping on the bobbin end-face.
• Oil and Dust Accumulation: A mixture of lubricating oil and finishing oil mist can form black grime that fills the curved tracks. This obstructs the reciprocating motion and causes "cobwebbing" (loose filaments) at the bobbin edges.‌ Regularly wipe the wave plate with a nonwoven cloth dampened with a minimal amount of nozzle cleaner to maintain a smooth surface finish.