Motor halves conformal coating time
Dual-simultaneous programmable pitch on Nordson Asymtek’s Select Coat SL-940 conformal coating system, means that two applicators are installed and operated simultaneously, coating two parts at the same time.
The motorised system automatically repositions the applicators to match the programmed pitch, eliminating the set-up time normally required during changeover. According to the company, this significantly speeds up the conformal coating process and makes it more accurate and repeatable.
The innovation reduces conformal coating process time by 50 per cent and is claimed to virtually double throughput performance, especially for high takt time conformal coating processes or when multi-up panelized or patterned parts with consistent spacing are used. It is particularly helpful for automated high-mix production environments.
The pitch, or distance between applicators, is programmed and will adjust automatically. Unlike a manual bracket, where the operator must reposition the applicator pitch at each changeover, programmable pitch eliminates operator dependency in adjusting the pitch for a specific part. This enhances quality and eliminates set-up time due to adjustments and validation.
To program, the operator enters the product pitch, and the pitch of the applicators will automatically be adjusted to the programmed value. Configuring and accommodating coating for different parts is vis the Easy Coat software which lets the user program when to use one or both applicators.
The system supports the company’s full range of conformal coating applicators. Applicators can also be installed with tilt and rotate options to maintain agility of conformally coating complex PCB layouts.