Page 20 - 《橡塑技术与装备》英文版2025年12月

HINA R&P TECHNOLOGY AND EQUIPMENT

Table 1 Process parameter design table
Serial number Tension/N Vehicle speed / (m·min⁻¹) Glue viscosity/cps Serial number Zhang Li Speed Glue viscosity/cps
1 25 10 350 7 10 5 450
2 40 15 250 8 10 15 450
3 10 15 250 9 40 15 450
4 25 10 350 10 10 5 250
5 25 10 350 11 40 5 450
6 40 5 250 / / / /

Table 2 Thickness and viscosity tests of samples prepared with different process parameters
Serial Surface Flatness/ Serial Mean thickness Surface Flatness Viscous Area
Number Mean Thickness/mm mm Viscous Area Ratio/% Number (in mm) /mm Ratio/%
1 0.097 0.002 15 7 0.097 0.01 10
2 0.082 0.005 40 8 0.099 0.009 10
3 0.082 0.005 20 9 0.091 0.009 10
4 0.097 0.003 15 10 0.098 0.009 50
5 0.099 0.002 15 11 0.118 0.01 10
6 0.084 0.007 50 / / / /

2.2 The influence of process parameters the material. Moderate tension ensures the material is flat
on the mean thickness and uniformity of and provides a stable coating surface for the glue. Vehicle
adhesive sheet materials speed directly affects the leveling time of the glue, thereby
Tension, vehicle speed, and glue viscosity are key influencing the amount of glue applied and ultimately the
parameters in the impregnation process, directly affecting the thickness and uniformity of the material. Glue viscosity
average thickness and uniformity of the material, and indirectly directly affects the viscosity and reactivity of the resin, thereby
influencing key indicators such as the material's mechanical influencing the flowability of the glue during the impregnation
properties. Among them, tension indirectly affects the leveling process.
of the glue by influencing the degree of deformation of

Figure 2 Main effect plot of process parameters on thickness mean and uniformity

The experimental results indicate that tension has thickness uniformity. Too low tension can cause material
a significant impact on the mean thickness (see the slope relaxation. When the tension is low (10 N), the material is
relationship between tension and mean thickness in the main prone to wave-like deformation in local micro-regions, making
effect plot on the left of Figure 2), but its effect on thickness it difficult for the glue to flow evenly and level off after gluing,
uniformity is slightly less pronounced (see the right panel of resulting in microscopic unevenness in local areas, as shown in
Figure 2) Figure 1(a). As the tension increases (25 N), it is beneficial to
The relationship between tension and the slope of the maintain material stability, with the glue spreading evenly and
mean thickness uniformity in the main effect diagram of good thickness uniformity. However, excessively high tension

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