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2055 Bennett Road
Philadelphia, PA 19116 USA
1-215-969-9190

Case Study: Under Pressure

May 25th, 2021

When a client was concerned that the amount of pressure applied by the rubber roll would damage a capsule, the team at R.W. Hartnett was tasked with developing a way of measuring the exact amount of pressure being applied.

The Problem

During production when a tablet, capsule, or softgel is being printed, the main part with direct contact to the product is the rubber roll. The rubber roll is a spinning, aluminum core with a rubber coating around the surface. The rubber is ground down smooth, with no imperfections, ensuring flawless printing. In operation, the design roll transfers the inked logo onto the rubber roll which then transfers the inked logo onto the product. In this case, the client was worried that the amount of pressure emitted by the rubber roll would affect the print and possibly even do damage to the tablets, capsules, or softgels. Our customer required an exact measurement of the amount of pressure to ensure each print would be flawless and consistent.

The Solution

After careful development and some trial and error, the team of engineers at R.W. Hartnett came up with a rubber roll pressure system. Calibrated to measure the precise amount of pressure the roll applied to the product, our engineers were then able to link the data to the printer’s recipe and set it as a fixed parameter. Each specific product that went through the machine would now have the appropriate amount of pressure applied each time. Assuaging our customer’s concerns proved yet again that the innovative engineering team at R.W. Hartnett is highly capable of addressing pain points with sound, user-friendly solutions.

With 140 years of experience in the pharmaceutical printing industry, R.W. Hartnett provides exceptional machines for all of your printing needs. Have your factory floor running smoothly with American-made technology from R.W. Hartnett. Contact us today for custom pharmaceutical printing solutions.

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