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1.塑膠呈波浪。濟南注塑加工廠解讀，因澆口或其它部分狹窄，熔態塑料推動固化塑件前移時，表面產生波紋。Plastic wave. Ji'nan injection molding plant interpretation, due to the gate or other parts of the narrow, molten plastic to promote the curing of plastic parts forward, the surface ripple.

2.塑件呈銀紋形。因塑料含水份，混料不均勻，注塑時夾氣，添加劑或脫模劑過多。Plastic parts are silver shape. Because of the moisture content of the plastic, the mixture is not uniform, the injection of gas, additives or mold release agent too much.

3.塑膠接口不良。山東注塑加工廠認為，或因氣體排泄不足導致兩股以上分流混合而產生發狀細線或氣泡。Poor plastic interface. Injection molding plant in Shandong that, or due to insufficient gas emissions caused by two or more mixed diversion and produce thin hair or bubble.

4.塑件呈現空洞。因塑料在熔料固化期間表面接觸低溫模壁，收縮集中于厚壁段而造成空洞，或因夾氣做成空洞。Plastic parts appear empty. Because the plastic in the melt during solidification of die wall surface contact temperature shrinkage, concentrated on thick walled section caused by cavitation, or because of the air hole is made.

5.塑件欠注或缺料。濟南注塑加工廠認為因機械注塑及塑化性能不足，料流不良，澆口截面太細，模壁太薄或泄氣不良。Plastic parts under injection or lack of material. Ji'nan injection molding factory because of the lack of mechanical injection molding and plasticizing properties, material flow is not good, the gate section is too thin, too thin or poor mold wall.

6.合模邊擠出塑料。因料溫及注壓過高，或鎖模力不足。Extrusion die. Because of the high temperature and pressure, or lack of clamping force.

7.塑件表面呈凹痕。山東注塑加工廠認為因塑件表面誤時冷卻，因其表面凹痕。Plastic parts surface dents. Shandong injection molding plant because of plastic parts surface cooling, because of its surface dent.

8.塑件呈扭曲變形。因注塑殘余應力松弛導致塑件變形扭曲。Distortion of plastic parts. Distortion of plastic parts due to residual stress relaxation.