He is looking to see this verified in production with the first domesti- cally equipped EBlow 609D. The real benefit, he says, is greater accuracy and repeatability. molders to invest in all-electric machines. This customer has several HyBlow 607 hydraulic versions of the same machine, so it will provide a direct comparison on performance after some months of operation.Ĭarr says energy savings, though significant, are not a compelling reason for U.S. That customer’s motivation, according to Carr, is partly a need for additional capacity, partly curiosity to test something new, and partly out of a desire to form a business partnership with Bekum to participate in the latest technology developments. customer’s plant to initiate commercial production. This month, the machine is going to a U.S. After exhibiting at the show ( see March ’15 NPE preview), Bekum ran the machine at its plant for 2000 hr to conduct an engineering assessment. At NPE2015 in Orlando, Fla., the company introduced its first electric machine, the EBlow 607D, that uses domestic components such as servo motors, actuators, and controls. “We have quoted all-electric versions for special projects, such as clean-room medical molding, or unique requirements better suited to an electric machine.”īekum has offered all-electric shuttles since at least K 2001, but has not pushed them very hard in North America until recently. Bekum’s modular platform allows use of hydraulics or electric servos on the same basic press. of sales for Bekum America Corporation, Williamston, Mich., says most domestic extrusion blow molders appear to be satisfied with traditional hydraulic machines: “They’re proven and reliable, their maintenance is known, and they are more affordable,” he notes, citing around 15% cost premium for all-electrics. Interviews with the three main sources of all-electric extrusion blow and injection-blow machinery in North America- Bekum, Kautex, and Milacron-indicate that roughly half a dozen such machines are in place on this continent and another small handful are shipping or on order. FDA grades are available.Currier Plastics is something of a pioneer in all-electrics on these shores. Polystyrene - This has high impact resistance and strength.It is also low in cost and flame-retardant. PVC - PVC has good insulation properties.Polycarbonate - This has a good impact strength and also is temperature-resistant.
Polypropylene - This plastic has high stiffness and low friction because it is finished with a glossy surface.Metal coating adheres well to this plastic. ABS - ABS is a commonly used plastic because it has high impact resistance and rigidity.Some of the more common plastic types include: When choosing a plastic to work with, make sure its properties fit your needs. Different plastics have different benefits, such as impact or moisture resistance and how well metal coatings adhere to the plastic. There are a ton of different plastics that can be used in the injection machines. What types of plastics can be used in these machines? Hybrid - Hybrid machines combine the efficiency of an electric machine with the high pressures of a hydraulic machine.They also use less energy and cost less to maintain, but they have a higher up-front cost. Electric - Electric machines are digitally controlled and have faster output.The hydraulic motor uses more electricity because the motor is always running. Hydraulic - A hydraulic motor can reach higher pressures than an electric motor, which may be necessary for some mold types.You will want to find out what process will work better with your molding needs. Types of injection processesĭifferent types of injection machines have different processes. The benchtop injection molding machine is a large stand-alone machine that needs more space to function but can do larger runs. It is better for smaller spaces and smaller runs of molds. The desktop injection molding machines are small injection molding machines and will fit on top of a desk. Depending on your space requirements, there is a machine for you. What types of plastic injection molding machine mounts are there?ĭifferent machine types can fit in different spaces. To find a new, used, or pre-owned injection molding machine for sale, go and check out eBay for a large selection. Plastic injection molding machines were made to be both versatile and efficient when it comes to mass production of plastic parts. Having a machine that can create a mass amount of identical plastic parts can be essential in many businesses.
DESKTOP BOARD BLOW MOLDING MCHINE HOW TO
How to Pick a Plastic Injection Molding Machine to Fit Your Needs
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