December, 2019
www.us-
tech.com
Nordson ASYMTEK: Dynamic Coating Viscosity Compensation
Carlsbad, CA — Nordson ASYMTEK has launched its Qadence™, a closed-loop system that automat- ically compensates for viscosity changes during conformal coating. The system combines the capa- bilities of the company’s conformal coating hard- ware and software to selectively apply coating to specific areas of a circuit board consistently throughout production. The Qadence flow control system maintains
stable fluid application, flow rates and perform- ance, by automatically compensating for viscosity changes related to temperature, humidity and batch-to-batch variation. It eliminates the need for frequent operator adjustments and downtime to recalibrate the process. Qadence is designed to ensure the quality of
the coating application with set process limits to achieve target flow rates and precise application volumes. After process limits are set, target flow rates are continuously monitored for adher- ence throughout production. If the process falls outside pre-
cise application volumes, a control routing (patent pending) is activated to make corrective adjustments. The flow meter and greater resolution re- sult in accurate and tighter process controls. Traceability is built in, as data and measurements are tracked and can be exported and evaluated by SPC software. Qadence software is easy to use
and implement. After the user enters process parameters and sets other performance limits, the flow calcula- tor in Nordson ASYMTEK’s EASY- Coat® 6 software quickly calculates the target flow rate. Each valve is separately controlled. Matching flow
DELO Intros Powerful LED Curing Lamp
Sudbury, MA — DELO is now offer- ing a compact LED curing lamp for use in industrial applications with limited work space. The powerful DELOLUX 503 is designed to bond small surfaces, such as cameras used in autonomous vehicles, within sec- onds on serial production lines. The new lamp directs light diag-
onally downward so that it does not need to be installed at level with the components to be bonded. This pro- vides more moving space for axes or grippers and helps with the integra- tion of complex systems. This high-performance spot-
light source is available in two ver- sions. The first operates with at a wavelength of 365 nm, with a nomi- nal intensity of greater than 1,000 mW/cm2, optimized for fast fixation in less than a second. The second ver- sion offers a higher wavelength of 400 nm and an intensity of greater than 1,600 mW/cm2 that offers better penetration of minimally translucent plastics and optimized deep curing of the adhesive. The DELOLUX 503 curing
lamp irradiates an area of 0.7 x 0.2 in. (18 x 6 mm) at a working distance
of 0.6 in. (15 mm). Contact: DELO Industrial
Adhesives, LLC, 144 North Road,
Suite 2560, Sudbury, MA 01776 % 978-254-5275 E-mail:
info@delo.us Web:
www.delo-adhesives.com
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rates between applicators enables similar valve performance when changing valves or across two
valves in single operation. Automated process controls increase machine
uptime and throughput and reduce the cost of op- eration. When flow rates are optimized, more pre- cise volumes are dispensed and less fluid is wast- ed. Improved coating accuracy and reliability re- duce the need for masking and rework. The Qadence system is compatible with the
Select Coat® SL-940 conformal coating system, EasyCoat 6 software and Nordson ASYMTEK con-
formal coating applicators. Contact: Nordson ASYMTEK, 2747 Loker
Avenue West, Carlsbad, CA 92010 % 760-431-1919
E-mail:
Qadence system for conformal coating viscosity compensation.
roberta.foster-smith@
nordsonasymtek.com Web:
www.nordson.com
Messy Wires?
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