62 TABLETING
Te analysis showed that compression forces over 19kN, recreated the capping and sticking issues. Knowing the customer’s growth plans, a multi-tip tooling design was recommended to increase production and reduce cost.
Troubles implementing multi-tip tooling Te initial NP-400 pressrun used three-tip multi-tip tooling and was successful, but was not the win hoped for. Te product would only run in the range of 15 to 20 revolutions per
Die table and tooling during NP-400 FAT
to overcome the formulation bridging issue. Ten, the feeder was optimised by using a higher-speed motor, redesigning the feeder paddles and lowering the paddles closer to the dies. Tese changes increased production speeds and improved the tablet consistency issues.
After implementing the
Tablets ejecting during NP-400 FAT
minute producing 59,400 tablets per hour. At these low speeds, the formulation bridged in the hopper transition – product was not consistently flowing through the acrylic feeder tube. Tere were also concerns about the consistency of the tablets due to filling issues of the dies. First, an optional vibratory hopper probe was installed
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new vibration unit and feeder design changes, the customer’s products ran at a rate of over 178,000 tablets an hour during the two-day FAT. In total, nine different products in two tablet designs consumed 96.4kg of powder per hour during the test.
Impacting the customer’s bottom line Te impact for the customer is considerable. Not only was
Natoli able to solve several manufacturing issues through innovative research, design and engineering, the production capabilities have also increased approximately threefold. Tese capabilities will allow the customer to run a single press and potentially house worldwide production in a single facility.
Te customer can now
produce 5,091 bottles of product per hour at a selling price of US$9.95. Tis means that the NP-400 tablet press increased the customer’s revenue potential by US$46,395 per hour over its existing presses.
Randy Jung is with Natoli.
www.natoli.com
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