Performance of the mechanical chuck
classification： News and Information
Release time：2021-11-29 15:52
The conical original-paper chuck used in the paper‑supporting unit of corrugated cardboard production lines has a drawback: during operation, it can tear the paper core and the inner liner, leading to difficulties in handling the tail end of the roll and causing a scrap rate exceeding 0.2%.
The self‑expanding parent‑roll chuck requires no external power; once the paper is successfully threaded, the chuck’s sliding plate rotates under the weight of the parent roll, automatically expanding to firmly grip the core or retracting to release it. This completely eliminates the issue of conical chuck designs tearing the trailing edge of the parent roll, thereby improving parent‑roll utilization.
Product Features:
1. Mechanical chucks eliminate the need for complex and costly piping and pneumatic/hydraulic systems; they require no lubrication throughout their service life, resulting in low maintenance costs.
2. Larger paper core contact area prevents the core from bursting, reducing costs;
3. Fewer wear parts, resulting in a long service life for the chuck;
4. It produces no dust during operation and is pollution-free;
5. A cam mechanism prevents the expanded key strip from becoming jammed; if the expanded key strip cannot retract properly, it will adversely affect operational efficiency.
6. A torque chuck developed based on the actual conditions of domestic paper cores, featuring a large working stroke and easy paper‑core threading.
7. The chuck is quick‑changeable to accommodate different operating conditions; the dual‑section chuck allows rapid replacement of chucks in various sizes, making it suitable for a wide range of parent paper cores and helping to reduce costs.
Commonly used replacement paper roll diameters come in various specifications, including 3 inches, 4 inches, and 6 inches.
8. The flange and mandrel of the original paper chuck are integrally forged, offering high strength and excellent load-bearing capacity, thereby preventing fatigue stress caused by prolonged loading that could lead to fracture and detachment of the flange and mandrel.
9. Improve the utilization rate of base paper and reduce production costs;
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