<p><span quot;font-size: large;"> QC-7的热传导性能是钢材的四倍，使用QC-7能减少生产周</span><br /><span quot;font-size: large;">    期25%的时间。它能简化模具的设计，同时亦能改善产品</span><br /><span quot;font-size: large;">    的品质。因为采用QC-7可以降低由于“热区”而产生的模</span><br /><span quot;font-size: large;">    具内应力。模具钢材以相同的生产周期与QC-7作比较；</span><br /><span quot;font-size: large;">    QC-7作模具的产品脱模时约室温，产品的变形、扭曲及收</span><br /><span quot;font-size: large;">    缩亦较少。</span><br /><span quot;font-size: large;">    QC-7的高热传导性比钢材更有效地加热及冷却。因减低耗</span><br /><span quot;font-size: large;">    能量，增加每小时的产品生产量及减少退货而较终能减低</span><br /><span quot;font-size: large;">    生产成本。</span><br /><span quot;font-size: large;">    产品在250℉恒温后的室温屈服强度</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    倘你是模具的制造者，在较无缺的世界里，你希望袛需采</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    屈服強度(KSI)</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    80 QC-7 </span><br /><span quot;font-size: large;">    7075-T651 </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    6061-T651</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    70 </span><br /><span quot;font-size: large;">    60 </span><br /><span quot;font-size: large;">    50 </span><br /><span quot;font-size: large;">    40 </span><br /><span quot;font-size: large;">    30 </span><br /><span quot;font-size: large;">    - 40 80 120 160 200 240 280 320 360 </span><br /><span quot;font-size: large;">    時間，小時 </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    硬度</span><br /><span quot;font-size: large;">    QC-7的硬度能延长模具的寿命。QC-7模板由表面至中心的</span><br /><span quot;font-size: large;">    硬度均匀，省略了分型线上的黏着及变形问题。</span><br /><span quot;font-size: large;">    QC-7的硬度令抛光更容易及更迅速达到镜面效果。较后的</span><br /><span quot;font-size: large;">    工序所需的时间减少，更减低生产成本。</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    高度度</span><br /><span quot;font-size: large;">    QC-7 模具铝板的强度比7075 高54% 及比6061 铝合金高87%。</span><br /><span quot;font-size: large;">    QC-7的高度度是结合了合金发展技术与生产科技。</span><br /><span quot;font-size: large;">    QC-7的高度度能增加耐用性能，令模具的寿命延长。</span><br /><span quot;font-size: large;">    QC-7可容许小型的模具设计生产一些高层度非常大的产品。适</span><br /><span quot;font-size: large;">    合被采用为注塑模具、吹气模具、泡沫成型模具、反应式</span><br /><span quot;font-size: large;">    注塑(RIM)模具及整套的铝合金模具。</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    屈服強度(KSI)</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    高強度 </span><br /><span quot;font-size: large;">    80 QC-7</span><br /><span quot;font-size: large;">    7075-T651</span><br /><span quot;font-size: large;">    6061-T651 </span><br /><span quot;font-size: large;">    70 </span><br /><span quot;font-size: large;">    60 </span><br /><span quot;font-size: large;">    50 </span><br /><span quot;font-size: large;">    40 </span><br /><span quot;font-size: large;">    30 </span><br /><span quot;font-size: large;">    20 </span><br /><span quot;font-size: large;">    10 </span><br /><span quot;font-size: large;">    0 </span><br /><span quot;font-size: large;">    - 1.00 2.00 3.00 *4.00 5.00 **6.00 7.00 ***8.00 </span><br /><span quot;font-size: large;">    厚度，吋 </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    *QC-7 4吋厚 = 比6061高87.8%</span><br /><span quot;font-size: large;">    **QC-7 6吋厚 = 比7075高54.2%</span><br /><span quot;font-size: large;">    ***QC-7 8吋厚 = 比7075高66.7%</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    一致性</span><br /><span quot;font-size: large;">    ALCOA小心控制合金元素的成份及生产技术，令QC-7</span><br /><span quot;font-size: large;">    的特性在所有厚度也保持一致。因为减低了化学成份、强</span><br /><span quot;font-size: large;">    度及硬度的偏差，所以QC-7能保持每件铝板的良好一致性。</span><br /><span quot;font-size: large;">    稳定性</span><br /><span quot;font-size: large;">    所有QC-7模具铝板经应力清理将内应力及机械加工时所产</span><br /><span quot;font-size: large;">    生的变形减至较少，能加快机械加工的速度及减少调较次</span><br /><span quot;font-size: large;">    数。因为它的稳定性，在粗加工时可预留较细小的工差，</span><br /><span quot;font-size: large;">    同时亦更快达到较后的加工工序。</span><br /><span quot;font-size: large;">    铝合金模具比模具钢材更有效率</span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    80 铝合金</span><br /><span quot;font-size: large;">    QC-7模具钢 </span><br /><span quot;font-size: large;">    70 </span><br /><span quot;font-size: large;">    60 </span><br /><span quot;font-size: large;">    50 </span><br /><span quot;font-size: large;">    40 </span><br /><span quot;font-size: large;">    30 </span><br /><span quot;font-size: large;">    20 </span><br /><span quot;font-size: large;">    10 </span><br /><span quot;font-size: large;">    0 </span><br /><span quot;font-size: large;">    - 加工周期</span><br /><span quot;font-size: large;">    (周） 生产周期（周） 材料重量(磅) </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    模具材料的对比</span><br /><span quot;font-size: large;">    模具材料 产品描述 膨胀系数 </span><br /><span quot;font-size: large;">    10-6/℉(注 1) 热传导 </span><br /><span quot;font-size: large;">    性能(注 2) 密度 </span><br /><span quot;font-size: large;">    LB/CU.IN. 硬度 </span><br /><span quot;font-size: large;">    (注 3) 屈服強度 </span><br /><span quot;font-size: large;">    KSI 焊接性 </span><br /><span quot;font-size: large;">    QC-7 美國ALCOA </span><br /><span quot;font-size: large;">    的铝模板 12.8 91 .102 167HB 74-79 注甲 </span><br /><span quot;font-size: large;">    7075-T651 铝合金 13.1 75 .101 150HB 48-73 注甲 </span><br /><span quot;font-size: large;">    6061-T651 铝合金 13.1 96 .098 95HB 40-42 支乙 </span><br /><span quot;font-size: large;">    P20 模具钢材 7.1 20 .284 28-37Rc 130-135 注乙 </span><br /><span quot;font-size: large;">    S7 模具合金钢材 6.99 21 .283 59-61Rc 210 注丙 </span><br /><span quot;font-size: large;">    H13 熱作模具钢材 6.1 14.4 .28 52-54Rc 228 注丙 </span><br /><span quot;font-size: large;">    420 不锈钢 5.7 20 .28 52Rc 215 注丙 </span><br /><span quot;font-size: large;">    MOLDMAX(R) Brush wellman </span><br /><span quot;font-size: large;">    铍铜 9.7 60-75 .302 30-40Rc 140-155 注丙 </span><br /><span quot;font-size: large;">    AMPCO 940(R) Ampco铜合金 9.7 125 .315 210HB 75 注丁 </span><br /><span quot;font-size: large;">    </span><br /><span quot;font-size: large;">    注:</span><br /><span quot;font-size: large;">    甲..............焊接性尚可，避免大型的修补。</span><br /><span quot;font-size: large;">    乙..............易于补焊。</span><br /><span quot;font-size: large;">    丙..............焊接性尚可，补焊前须预热，补焊后须热处理。</span><br /><span quot;font-size: large;">    丁..............采用正规的技巧仍可补焊。</span><br /><span quot;font-size: large;">    1................数值单位为IN/IN ℉─数字愈高，膨胀愈大。</span><br /><span quot;font-size: large;">    2................数值单位为BTU/ [(Ft.2 Hr ℉) /Ft.] 于68℉─ 数字愈大，热传导性能愈高。</span></p>