关于注塑件的问题_百度知道
关于注塑件的问题
ABS和聚丙的注塑收缩率那个大些，还有就是这个坑是怎么产生的，用什么方法能避免，材料是ABS的，我没有财富了，希望大家能帮助我，谢谢了！
我有更好的答案
具体改多少需要你自己去摸索由于看不到另外几个面的缩水状况，无法确定是不是只有这一个面有缩水当然是PP收缩率大啊.5%的样子，ABS是不结晶的，收缩率通常按照0，如果增加保压的方法仍然不起作用.6%左右估计看你的图片，PP是结晶性材料，收缩率在1%到2，根据进胶口的位置和形状，你应该是说上端面那个塌陷的部分吧？估计是冷却缩水引起的，那你要看看冷却水路是否有问题了，在注塑时降低料温，增加保压压力和保压时间试试吧
采纳率：61%
而造成成品表面的凹陷状况。特别是肉厚特别大的部位，其表面更加明显。■由机床引起的原因及对策原因
对策1.射出时原料产生逆流
螺杆逆止环更换■由模具引起的原因及对策原因
对策1，体积向肉厚的中心部逐渐收缩.6%左右，这个坑是缩水（sink mark）:此种现象在成型品表常会发现到.模具温度太高
增加冷却水路或降低水路2.模具温度不一局部过高
确认水路循环系统或增减3.汤口或流道细小
重新计算及修改汤口或流道4、冷却不足
增加冷却时间10.射速太慢
提高射出速度2.射压偏低
提高射出压力3.保压时间不足
增加保压时间4.原料供应量不足
增加原料供应量5.原料温度偏高
降低原料加热温度6.射出喷嘴太长或孔径太小
更换短喷嘴或增大喷嘴孔径7.射出喷嘴与模具汤口未吻合
重新校正中心度及圆弧度8.射出喷嘴部温度低
提高喷嘴温度9.开模太早，其发生之主要原因系原料在准却过程中ABS 收缩率0.热流道温度低
提高热流道之温度11.模穴有特别厚肉的部位
增加厚肉部位之流道5.肉厚设计不均一或不适当
依肉厚比例修正■由原料引起的原因及对策原因
PP收缩率大,而且还容易因为应力变形,你这个就是冷却缩水,保压高点试下,不过你这个肉那么厚的,就算保估计也好不到哪里去了,价格允许的话换PBT注可能好点
PP收缩率大,而且还容易因为应力变形,你这个就是冷却缩水,保压高点试下,不过你这个肉那么厚的,就算保估计也好不到哪里去了.延长保压时间可以相对好点。具体你要摸索的
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& & 大家对于都熟悉吗？注塑件是指由注塑机生产的各种注塑产品统称注塑件，主要是由聚乙烯或聚丙烯等材料并添加了多种有机溶剂后制成的。注塑件的设计会影响产品的效率，所以我们在设计注塑件时需要注意一些细节问题。
& &首先是开模方向和分型线，每个注塑件在开始设计时首先要确定其开模方向和分型线，以保证尽可能减少抽芯滑块机构和消除分型线对外观的影响。注塑件开模方向确定后，产品的加强筋、卡扣、凸起等结构尽可能设计成与开模方向一致，以避免抽芯减少拼缝线，延长模具寿命。 还有就是开模方向确定后，可选择适当的分型线，避免开模方向存在倒扣，以改善外观及性能。&
& &其次是注塑件的扣位，将扣位装置设计成多个扣位同时共用，使注塑件整体的装置不会因为个别扣位的损坏而不能运作，从而增加其使用寿命，再是多考滤加圆角，增加强度。
& &还有就是注塑件精度，由于注塑时收缩率的不均匀性和不确定性，注塑件精度明显低于金属件，不能简单地套用机械零件的尺寸公差应按标准选择适当的公差要求。
& &大家在设计时要注意以上提及的几点要求，正确规范的生产注塑件，保证产品的质量。
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注塑论坛面对注塑件的一些常见问题你知道如何解决吗
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面对件的一些常见问题你知道如何解决吗
描述这也称为云母痕注塑件表面某些地方光洁度不一致，出现银色的表面。
12注塑件表面皱皮纹
描述经常出现在浇口周围区域的塑流痕或在结束区出现的表面皱纹。
13注塑件颜色分布偏差
描述颜色不统一，即有浓淡差别、有色条纹或斑块。
14注塑件熔合线位置强度下降
描述注塑件包含熔合线，注塑件于顶出或使用时在这些地方损坏或断裂。
15注塑件填充不满
描述注塑过程不完全，因为模腔没有填满塑料或注塑过程缺少某些细节。
16注塑件尺寸差异
描述注塑过程中重量及尺寸的变化超过了模具/注塑机/塑料组合的生产能力。
17注塑件收缩痕
描述通常与表面痕有关，而且是塑料从模具表面收缩胶离时形成的。
18注塑件污渍痕
描述通常与浇口区域有关：其表面黯淡，有时还可见到条纹。
19注塑件注口粘着
描述注口被注口套牵住。
20注塑件空穴
描述可能容易地在的“空气阱”内见到，但也可出现在不透明的塑料中。这与厚度有关，而且常因塑料收缩离开注塑件中心而引起。
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&<strong style="background-color: rgb(95, 156, 239); font-family: font-size: 1 line-height: 1.4; text-align: color: rgb(255, 255, 255); text-decoration: margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">93．注塑件脆裂起因及解决办法<fieldset style="margin: 0.8em 0px 0.5 padding: 0 max-width: 100%; min-width: 0 color: rgb(62, 62, 62); font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans- font-size: 16 line-height: 25 border: 0 overflow: box-sizing: border-box !im word-wrap: break-word !im"><section style="margin: 0 padding: 0 max-width: 100%; box-sizing: border- display: inline- font-size: 1 font-family: font-weight: text-align: text-decoration: color: rgb(255, 255, 255); border-color: rgb(95, 156, 239); word-wrap: break-word !im"><section style="margin: 0 padding: 0 max-width: 100%; display: inline- height: 2 width: 0.5 vertical-align: border-left-width: 0.5 border-left-style: border-left-color: rgb(95, 156, 239); font-size: 1 border-right-color: rgb(95, 156, 239); box-sizing: border-box !im word-wrap: break-word !im border-top-width: 1em !im border-top-style: solid !im border-top-color: transparent !im border-bottom-width: 1em !im border-bottom-style: solid !im border-bottom-color: transparent !im">
<table cellspacing="0" cellpadding="0" style="margin: 0px 0px 10 padding: 0 border-collapse: width: 670 max-width: 100%; color: rgb(62, 62, 62); font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans- font-size: 16 line-height: 25 box-sizing: border-box !im word-wrap: break-word !im">
<tbody style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">描述：注塑件在顶出时断裂，或在处理时容易断掉或裂开。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">可能的起因：
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">建议使用的补救方法：
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<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">注塑机
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、熔胶温度太低。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在射料缸上给后区和射咀增温。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">降低螺杆速度或高速转以获得正确的螺杆表面速度。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">B<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、塑料在射料缸内降解，引起塑料分子结构的破裂。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在所有区域降射料缸的温度。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">降低背压。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">使用排气的射料缸保证排出孔正确运行且每个孔设定正确温度。
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<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">C<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、模具填充速度太慢。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">增加模具温度。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在注塑机上保持稳定的垫料。
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<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">模具
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、模具表面太冷。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">增加模具温度。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">限制冷却体流过模具的速度。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">B<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、流道和浇口太小，在模具填充中
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">产生过度的剪毁率。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">使用全圆流道并增加流道和浇口的尺寸
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">以便在模具填充阶段提供可接受的剪切率。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">塑料
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、注塑件的压力没有恰当的释放出来或没被处理。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">将注塑件退火，若是尼龙塑料产品，将其浸入温水中。
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<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">B<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、注塑件并不充分适合特定的塑料。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">若可能的话就重新设计产品以改善薄弱断面。
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<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">C<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、添加了过多的回用料。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">减少回用料与新塑料混合的数量。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">D<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、异类的塑料杂质。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">检查塑料中的杂质。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">彻底清洁射料缸。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">将料斗或料盛装料机拆下并彻底清洁。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-style:
border-color: rgb(221, 221, 221) white rgb(221, 221, 221) rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">E<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、回用料的质量可能较差。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border: max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">分离回用料并仔细检查杂质的迹象。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">保证从回用料中把粉尘去掉。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">检查是否严格执行回用程序。
<fieldset style="margin: 0.8em 0px 0.5 padding: 0 max-width: 100%; min-width: 0 color: rgb(62, 62, 62); font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans- font-size: 16 line-height: 25 border: 0 overflow: box-sizing: border-box !im word-wrap: break-word !im"><section style="margin: 0 padding: 0 max-width: 100%; box-sizing: border- display: inline- font-size: 1 font-family: font-weight: text-align: text-decoration: color: rgb(255, 255, 255); border-color: rgb(95, 156, 239); word-wrap: break-word !im"><section style="margin: 0 padding: 0.3em 0.5 max-width: 100%; height: 2 display: inline- text-align: font-size: 1 line-height: 1.4; vertical-align: font-family: background-color: rgb(95, 156, 239); box-sizing: border-box !im word-wrap: break-word !im"><section style="margin: 0 padding: 0 max-width: 100%; box-sizing: border- word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">94．注塑件气泡（困气）起因及解决办法<section style="margin: 0 padding: 0 max-width: 100%; display: inline- height: 2 width: 0.5 vertical-align: border-left-width: 0.5 border-left-style: border-left-color: rgb(95, 156, 239); font-size: 1 border-right-color: rgb(95, 156, 239); box-sizing: border-box !im word-wrap: break-word !im border-top-width: 1em !im border-top-style: solid !im border-top-color: transparent !im border-bottom-width: 1em !im border-bottom-style: solid !im border-bottom-color: transparent !im">
<table cellspacing="0" cellpadding="0" style="margin: 0px 0px 10 padding: 0 border-collapse: width: 670 max-width: 100%; color: rgb(62, 62, 62); font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans- font-size: 16 line-height: 25 box-sizing: border-box !im word-wrap: break-word !im">
<tbody style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">描述：如果熔胶中含有气体（挥发性物质），那么保压消失时在注塑件中也会含有气泡。
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<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">可能的起因：
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><strong style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">建议使用的补救方法：
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">注塑机
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、困在射料缸中的空气。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">低射料缸温度，特别是后区的。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">增高背压。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">降低螺杆速度。减少倒索量。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">B<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、填充压力不足够。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">增高注塑压力。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">C<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、模具填充速度太快。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">降低注塑速度。
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<td width="568" colspan="2" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">模具
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、模具排气不足。
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-bottom-width: 3 border-style: border-color: rgb(221, 221, 221) rgb(221, 221, 221) max-width: 100%; background-color: rgb(242, 242, 242); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在模具中插入排气口或增加现有排气口的深度。
<tr style="margin: 0 padding: 0 max-width: 100%; box-sizing: border-box !im word-wrap: break-word !im">
<td width="284" valign="top" style="margin: 0 padding: 0px 7 word-break: break- border-right-width: 3 border-bottom-width: 3 border-style: n border-color: rgb(221, 221, 221) white white rgb(221, 221, 221); max-width: 100%; background-color: rgb(204, 204, 204); word-wrap: break-word !im box-sizing: border-box !im">
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">B<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、模具内塑料流动不平均使空气困
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在其中。
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<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在模具上使用真空排气方法。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">更改浇口的位置。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">增加流道直径。
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<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; color: box-sizing: border-box !im word-wrap: break-word !im">塑料
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<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im">A<span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">、塑料进入暖空气的工场时水份在
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">冷塑料上凝结。
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<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">烘干塑料。
<p style="margin: 0 padding: 0 max-width: 100%; clear: min-height: 1 white-space: pre- box-sizing: border-box !im word-wrap: break-word !im"><span style="margin: 0 padding: 0 max-width: 100%; font-family: 宋体; box-sizing: border-box !im word-wrap: break-word !im">在注塑前将聚合物存放在工场至少六小时。
昆山恒成塑化有限公司&创建于2001年，注册于2012年。经过多年的努力经营，本公司实力雄厚、重信用、守合同、保证产品质量，并以多品种经营特色和薄利多销的原则，赢得了广大客户的信任。本公司主要经营批发的POM、PP、PA66、PET、PC+ABS、PC、PMMA、ABS畅销消费者市场，在消费者当中享有较高的地位。公司与多家零售商和代理商建立了长期稳定的合作关系，货源稳定、保证质量！
&&&我公司产品在昆山仕泰隆塑料城设有实体店销售，塑料原料原产原厂包装，质量保证，买家可以完全放心。店铺上图型号有限，有些产品型号没有上架，买家如有所需产品型号可以询问是否有货，欢迎询价(*^__^*)
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&&旺旺：xiayanmei恒成塑化
&&地址：中国&江苏&昆山市&陆家镇仕泰隆J栋5号
&&网址：http://xiayanmei168.1688.comhttp://www.cntrades.com/b2b/hcxiayanmei/news/itemid-940402.html