NPE 2018 | SHOW PREVIEW


At the same time, its new Ultrascan Pro provides high-speed, precision measurement of product wall thickness and concentricity and offers faster processing and measurement capabilities, high- speed tolerance checking, multi-layer measure- ments (up to four layers), enhanced Ethernet connectivity via built-in web server and other advances. It is already well-known for its patented ‘Snap’ technology with full automatic setup and calibration for fast, simple operation. At the same time, its BenchMike Pro now has a


larger, higher-resolution display and provides faster communications processing – offering Ethernet and USB connectivity. � www.betalasermike.com


Conair has updated its Wave Conveying material- handling system. The system now gives processors a range of options to control the vacuum conveying process. The patented system now makes it possible to move any resin, at virtually any speed, with higher throughputs, over longer distances without the damage to materials and equipment normally associated with conventional, dilute-phase vacuum conveying, says Conair. With material lines running through Conair’s


booth, the system will be a major feature of the company’s display at NPE. “We originally introduced this technology under the name R-Pro, or resin-protection conveying system,” said Chad Stover, marketing communica- tions manager at Conair. “Our focus then was on slow-speed, dense-phase conveying in order to prevent problems like angel hair and pellet fracturing. Since then, we have refined the concept to give processors the freedom to move different materials at the ideal speed for each application.” The system can also change speeds automati- cally when different resins are called for. Conair says the Wave Conveying system is the first vacuum-powered material-handling system to give processors precise control of material speed and material flow. It does this through the interac- tion of Conair’s FLX-128 Plus conveying control, a


Conair says its Wave Conveying technology moves resin in compact slugs of material that move at much slower speeds


vacuum pump with a variable-frequency drive, and a control valve, with standard receivers and tubing. Starting at speeds of about 300 ft/min, the system draws material through in the form of compact pulses or waves, each separated by an air space. As velocity increases, the interval between the pulses becomes shorter, and the waves flow faster. Pellets do not become suspended in conveying air as they do in conventional high-speed systems. Instead, they look like waves as pellets roll and tumble along the bottom of the conveying line. The system’s ability to regulate the conveying


process – even to allow for programmable resin- conveying ‘recipes’ to be stored in the FLX-128 Plus – is found in a series of patented control and equipment innovations. These include: n Using a Conair LDP Series vacuum pump equipped with variable frequency drives. Unlike typical vacuum pumps, which are 100% on or off, LDP pumps with variable-speed drives can operate at the precise level of capacity and power con- sumption needed to maintain a specific material velocity in the system, which can result in substan- tial energy savings; n The Wave Conveying hardware, together with the FLX-128 Plus control, regulates material flow – fine tuning both the vacuum level and the influx of material from the material supply point to the conveying system; and, n A new type of conveying speed sensor – which measures material velocity, not air velocity – monitors the speed of material moving in the mixed-pulse and wave phases. It provides feedback, helping the system maintain correct material flows. Other benefits of Wave Conveying include: higher throughput (up to 2.4 times


greater than dilute phase systems); better powder handling; longer conveying distances — up to 1,000 ft horizontally and 250 ft vertically,


www.pipeandprofile.com


Left: Beta LaserMike says its BenchMike Pro has a larger, higher-resolu- tion display and provides faster commu- nications processing


May 2018 | PIPE & PROFILE EXTRUSION 33


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