ONVO Tail Lamp Protective Cover

Challenge:
The main challenge was to achieve stable two-shot molding while ensuring a clean and consistent textured appearance on the tail lamp protective cover. The part required accurate positioning and reliable bonding between the two shots, while the textured surface needed to be evenly replicated with clear grain definition and stable gloss. Any instability in mold alignment, material flow, cooling balance, or molding parameters could lead to poor bonding, flash, color mixing, flow marks, weld lines, uneven texture, gloss variation, or deformation.

Solution:
We optimized the two-shot mold structure, positioning system, parting line, gate layout, and cooling system to improve molding stability and bonding accuracy. The mold texturing process was carefully controlled to ensure uniform grain depth and clear texture definition. During mold trials, we fine-tuned the mold temperature, material temperature, injection speed, holding pressure, cooling time, and clamping force to achieve stable two-shot molding performance and consistent textured surface quality.