Product category:
Thermal processing equipment (drying, curing, etc)
News Release from: Air Control Industries | Subject: Blower powered drying equipment
Edited by the Manufacturingtalk Editorial
Team on 24 February 2004
Blower driven dryers upped speed and
quality too
When DEK replaced compressed air screen drying systems with blower-driven dryers, they benefited from more than improved drying procedures, as quality and speed of manufacture improved too.
When DEK replaced compressed air screen drying systems with blower-driven dryers, as part of a continuous up-grading process of the company's screen production operation, they benefited from more than improved drying procedures DEK specialises in the supply of precision screens for printing solder-paste electronic circuitry employed in the medical, aerospace and electronics industries, working to accuracies of 10 microns
This article was originally published on Manufacturingtalk on 10 Jul 2008 at 8.00am (UK)
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The company pursues a tight quality control policy linked to demanding production schedules, consequently, improvements in speed and quality control during screen manufacture play an important role in the overall production process.
"Until recently we used compressed air to dry screens, which measure from 15mm x 13mm up to 1200mm x 1500mm.
Drying takes place after degreasing them to remove the animal fat employed for lubricating the polyester and stainless fibres/stands during screen manufacture and after washing to remove image areas of the light-sensitive emulsion," said Brian Greatrex, Process Engineer at DEK's Weymouth plant.
"The small orifice of the jet resulted in times of up to 10 minutes drying time per screen." 'However, with the new blower powered drying equipment, 'Jetblack' units from Air Control Industries (ACI) of Chard, that time has been cut down to 2 minutes or less.
Also, in addition to the significant time advantage the Jetblack provides, it is safer, quieter and more comfortable to use whilst eliminating screen rejects resulting from deposition of contaminants from the compressed air line", he added.
The improved drying results from the Jetblacks use of high volumes of air at low pressure delivered from a hand gun with a large outlet, enabling the user to dry large areas quickly.
Drying is further accelerated by the air friction warming the hand gun which in turn heats the air being delivered.
The high volume/low pressure air delivery also results in quieter operation, making for an improved working environment and safer operation with no risk of air penetrating the skin.
Finally, the Jetblack is better for long periods of use because instead of a finger trigger that becomes uncomfortable it is foot operated. Request a free brochure from Air Control Industries ...
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