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E-News Update October 2010 |
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Machinery News
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World record set for blow moulding machine
U
S-based Wilmington Machinery claims to have set a world speed record in rotary co-extrusion blow moulding (EBM) bottle production. It is using a dual parison technology that allows production rates from 800 to 1,200 bottles/minute.A manufacturer of high-speed EBM systems and structural foam injection moulding machinery, Wilmington recently shipped the first dual parison Small Bottle (SB) rotary extrusion blow moulding line producing 80 ml HDPE bottles at a rate of 800 a minute, operating at the very fast cycle time of 10 rpm (6 seconds).
The MSB40 dual parison machine has 40 stations, 4 in. extruder and Wilmington's high-output dual parison diehead. The turnkey system includes moulds, bottle conveying and high-speed rotary spin trimmer. It produces weight variation of less than +/- 0.05 g, yielding improved material distribution.
The system is the first of several new dual parison models that Wilmington plans to build. The company says its models are designed to be energy efficient, economical and save floor space. Coming up next is the MSB60 DP that can produce 80 ml lightweight bottles at a speed of 1,200 bottles per minute.