[讨论]压铸件常见缺陷影响因素

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<hr size="1"/> <table cellspacing="0" cellpadding="0" border="1"><tbody><tr><td valign="top" width="111" rowspan="2"><div>影响因素</div></td><td valign="top" width="436" colspan="11"><div>常见缺陷</div></td></tr><tr><td valign="top" width="40"><div>欠铸</div></td><td valign="top" width="32"><div>气泡</div></td><td valign="top" width="40"><div>变形</div></td><td valign="top" width="48"><div>缩孔气孔</div></td><td valign="top" width="36"><div>裂纹</div></td><td valign="top" width="36"><div>冷隔</div></td><td valign="top" width="36"><div>夹渣</div></td><td valign="top" width="36"><div>粘模</div></td><td valign="top" width="36"><div>擦伤</div></td><td valign="top" width="48"><div>因素类别</div></td><td valign="top" width="48"><div>产生根源</div></td></tr><tr><td valign="top" width="111"><div>比压</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="48"><div>B</div></td><td valign="top" width="48" rowspan="6"><div>压铸机</div></td></tr><tr><td valign="top" width="111"><div>压射速度</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>B</div></td></tr><tr><td valign="top" width="111"><div>建压时间</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>B</div></td></tr><tr><td valign="top" width="111"><div>压室充满度</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>B</div></td></tr><tr><td valign="top" width="111"><div>1-2速度交接点</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>B</div></td></tr><tr><td valign="top" width="111"><div>凝固时间</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>B</div></td></tr><tr><td valign="top" width="111"><div>模具温度</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>C</div></td><td valign="top" width="48" rowspan="6"><div>模具</div></td></tr><tr><td valign="top" width="111"><div>模具排气</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>A</div></td></tr><tr><td valign="top" width="111"><div>浇注系统不正确</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>A</div></td></tr><tr><td valign="top" width="111"><div>模具表面处理不好</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="48"><div>A</div></td></tr><tr><td valign="top" width="111"><div>铸造斜度不够</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="48"><div>A</div></td></tr><tr><td valign="top" width="111"><div>铸造硬度不够</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="48"><div>A</div></td></tr><tr><td valign="top" width="111"><div>浇注温度</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>C</div></td><td valign="top" width="48" rowspan="4"><div>现场操作</div></td></tr><tr><td valign="top" width="111"><div>浇注金属量</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>C</div></td></tr><tr><td valign="top" width="111"><div>金属含杂质</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>&nbsp;</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="48"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="36"><div>&nbsp;</div></td><td valign="top" width="48"><div>C</div></td></tr><tr><td valign="top" width="111"><div>涂料</div></td><td valign="top" width="40"><div>&nbsp;</div></td><td valign="top" width="32"><div>√</div></td><td valign="top" width="40"><div>√</div></td><td valign="top" width="48"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="36"><div>√</div></td><td valign="top" width="48"><div>C</div></td></tr></tbody></table><div>&nbsp;&nbsp; 注：A类因素：取决于模具设计与制造。</div><div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B类因素：大都取决于压铸机性能及压铸参数选择。</div>