In order to make the fiberglass fiber yarn continuously and regularly wound on the mandrel, the relative movement of the guide wire and the mandrel must be strictly maintained, that is, the winding law should be followed. The winding law is an important prerequisite for the quality of the winding product, and it also determines the ratio of the strength of the product structure in different directions.
During the winding process, the length of the wear-resistant hammer cylinder is determined by the width of the fiber yarn piece. Since the design generally considers only the mechanical properties of the cylinder, rather than considering the production aspect, the angle of filament winding and The design parameters are inconsistent and generally require certain modifications to obtain the actual winding parameters and achieve close convergence.
In general, there are two methods for designing and modifying the winding parameters: one is to ensure the width and winding angle of the fiber sheet through correction of the dwell angle, and the other is to fix the dwell angle by correcting the width and winding angle of the winding fiber yarn. Keep it.
The first modification can ensure that the middle part of the cylinder can approach the design standard as much as possible, but its disadvantage is that it has a great influence on the stay angle, especially when the design of the stay angle is 0, the normal requirement of winding cannot be achieved. The quality of the winding ends has an adverse effect. The second modification can maximize the winding effect and guarantee the realization of the stay angle index without affecting the design. For now, the second correction algorithm is used more frequently.
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