—— INTRODUCTION ——

引言

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汽车高光A/B/C/D立柱外饰板，免喷涂一次成型，让车顶在视觉上“断开”于车身，形成悬浮式车顶效果——这是近年来SUV和新能源车最主流的设计语言之一。高光黑比皮纹黑更亮、更“贵”，在亮面上能形成连续的镜面反射带，整车姿态感和品牌辨识度提升明显。

高光立柱外饰板的优点：

设计价值——悬浮式车顶的核心载体。

制造价值——免喷涂一次成型。

性能价值——耐候 + 耐刮是免喷涂能不能上立柱的门槛。

高光立柱外饰板三个特征：细长（流程比大）、全长度可视高光面、装配尺寸敏感（与玻璃包边、相邻饰条、钣金的间隙面差。

热流道应用要求：

系统型式：必须针阀式，且必须是可时序控制。

浇口布置：一射从大端充填完整个产品，流程比大，流道直径需偏大选型。

模腔：左右腔（一出二）必须严格填充平衡。

温控精准：倒灌热嘴多段加热，加热器、感温料排布合理。

Automotive High-Gloss A/B/C/D Pillar Exterior Trim manufactured by solvent-free, one-shot molding, it visually “separates” the roof from the vehicle body to create a floating roof effect — one of the most mainstream design languages for SUVs and new energy vehicles in recent years. High-gloss black is brighter and more “premium” than textured black, forming continuous specular reflection bands on the bright surface, which significantly enhances the vehicle's stance and brand identity.

Advantages of High-Gloss Pillar Exterior Trim:

Design Value: Core enabler of the floating roof design.

Manufacturing Value: Solvent-free, one-shot molding.

Performance Value: Weatherability + scratch resistance are the threshold for whether solvent-free molding can be applied to pillar parts.

Three Key Characteristics of High-Gloss Pillar Exterior Trim: Slender geometry (high flow length-to-thickness ratio). Fully visible high-gloss surface along the entire length. Tight assembly dimensional sensitivity (gap and flushness with glass encapsulation, adjacent trim strips, and sheet metal).

Hot Runner Application Requirements:

System Type: Valve gate system is mandatory, with sequential control capability.

Gate Layout: One shot fills the entire part from the large end. Due to the high flow length ratio, the runner diameter must be sized on the larger side.

Cavities: Left and right cavities (2-up) must achieve strict filling balance.

Precise Temperature Control: Reverse-flow nozzles with multi-zone heating; heaters and thermocouple layouts must be optimized.

—— SOLUTIONS ——

热流道系统方案

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填充时间等高线图

FILL TIME CONTOUR PLOT

V/P转换时的射压

INJECTION PRESSURE AT V/P CONVERSION

波前温度分布

TEMP. AT FLOW FRONT

平均体积收缩率

AVERAGE VOLUMETRIC SHRINKAGE RATE

2点+6点-1点整体针阀系统

Hot Runner System: 2-drop + 6-drop – 1-drop Integrated Sequential Valve Gate System.

—— CHARACTERISTICS ——

热流道系统特点

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优点

双层ABM熔合分流板，无堵头设计，预防流道内转接滞料，保证产品质量和平衡性。

系统完全对称平衡设计，产品成型平衡性佳。

ADVANTAGES

Dual-layer ABM Fusion Manifold & Plug-free Design prevents material stagnation at internal transfer points within the runner, ensuring product quality and filling balance.

Fully Symmetrical Balanced System Design — Excellent molding balance across all cavities.

—— TECHNOLOGY ——

技术要求

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钢球挤压技术：提高流道光洁度及硬度。

Steel Ball Extrusion Technology: Enhances runner surface finish and hardness.

分流板镶件：流道转角无滞料，减少碳化。

Manifold Inserts: Eliminates material stagnation at runner corners, reducing carbonization.

阀针头部双层定位：保证阀针活动时同心度，提高浇口寿命，减少浇口毛边。

Dual-layer Valve Pin Tip Guidance: Maintains concentricity during pin movement, extends gate life, and minimizes gate flash.

HTS热流道

为合作伙伴提供整套热流道技术解决方案。

好特斯·塑造美好!

HTS Hot Runner

provides our partners with complete sets of

hot runner technical solution.

HTS MOULD BEAUTY!