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Kunshan Pinhong EPT Co.,Ltd
Kunshan Pinhong EPT Co.,Ltd
Add : (Qiandeng Yuanchuang Base) No. 125, Jinxing South Road, Qiandeng Town, Kunshan, Jiangsu, China
Tel : （0086）15995617314
Fax : +86-512-50130524
E-mail :lvfang@ksphxs.com
The following aspects should be considered in the selection of pneumatic tube materials.
Whether the wall thickness of the pneumatic tube melt parison can be maintained uniform, whether higher inflation pressure is required, whether the inflation is uniform, whether the surface of the pneumatic tube is bright, whether it is easy to demold, whether the strength can meet the requirements, etc.
The performance comparison wind table of the plastic used for blow molding pneumatic tube. The blow-molded pneumatic tube is in a thermo-elastic state, and its density is lower than the density after cooling and shaping, resulting in shrinkage. For pneumatic tubes whose general dimensions are not strict, molding shrinkage has little effect. However, for pneumatic tubes of specified sizes, such as some hoses used in precision machines, large shrinkage has a considerable impact. The larger the volume of blow molding, the more significant the effect.
The advantages of extrusion blown plastic forming pneumatic tube are that the investment in production equipment is relatively small, the equipment structure is simple, the mold is easy to manufacture, the pneumatic tube is formed high during production, the temperature control is relatively uniform, and various specifications of pneumatic tubes can be formed. The disadvantage is that the uniformity of the wall thickness of the pneumatic tube is poor.
The advantages of the injection blow molding pneumatic tube are that the molded plastic pneumatic tube has good quality, accurate dimensions, no splicing seams, uniform wall thickness, multi-mold molding production, high degree of automation, and it is very suitable for small specifications and large batches with high efficiency. Production. The disadvantage is that the investment in equipment and molding molds is relatively large, and the operation and production requires skilled workers.