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August 26, 2020
2 Min Read
New blow-molding equipment from Wilmington Machinery can handle two bottles with different capacities at rates up to 600 bottles per minute to match a filling line’s speed. The MSBW60-DC dual, rotary blow-molding machine has common extrusion, die-head, and trimming components and is capable of molding small one- to 10-ounce bottles for single-serve drinks, personal-care products, chemicals, and more.
Features of the new MSBW60-DC blow molding machine include the following:
The 60-station, all-electric, single- or dual-cavity wheels operate at the required rate without a mold change. This dramatically reduces setup time from one bottle size to the next by as much as 75%.
Quick disconnects for electrical, water, and pneumatic services reduce wheel setup time from hours to a matter of minutes.
Trimmer setup time is comparatively quick.
Preventive maintenance can be performed on a wheel while it is out of production, reducing time and labor costs while ensuring that setup performs correctly at startup.
A unique rail system guides one of the two wheels out of the molding system and guides the other wheel into the molding position.
Setup time from one bottle size to the next reportedly is reduced by as much as 75% on the MSBW60-DC dual, rotary blow-molding machine. Image courtesy Wilmington Machinery.
The MSBW60-DC is currently available in several configurations, including clamping force/bottle size, single or dual parison, one to six layers, radial mold positioning (aka variable pitch), and custom features, as required. The cost of the machine with the dual wheels and two sets of molds is approximately 15 to 20% more than a single wheel with two sets of molds, according to Wilmington Machinery.
If volume needs increase, one or the other wheel can be retrofitted with its own extrusion and trimming equipment, minimizing investment in a second production line.
About the Author(s)
Until she retired in September 2021, Clare Goldsberry reported on the plastics industry for more than 30 years. In addition to the 10,000+ articles she has written, by her own estimation, she is the author of several books, including The Business of Injection Molding: How to succeed as a custom molder and Purchasing Injection Molds: A buyers guide. Goldsberry is a member of the Plastics Pioneers Association. She reflected on her long career in "Time to Say Good-Bye."
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