INDUSTRY FOCUS CHEMICALS & PHARMACEUTICALS
Industry 4.0 machine predictive maintenance improves pharmaceutical productivity
This article looks at how valuable manufacturing production line downtime in the pharmaceutical industry can be reduced by ensuring predictive maintenance of tablet making machinery using Harting’s MICA industrial computing platform
H
arting recently challenged postgraduate students from the
Centre for Doctoral Training in Embedded Intelligence at Loughborough University to investigate practical application solutions where MICA, the company’s innovative open platform-based ruggedised industrial edge computing device, could be applied to the benefit of UK manufacturing. Simple seamless integration within
existing established production processes was the target, based on the concept of machine predictive maintenance. The key objective was to achieve immediate productivity improvements and return on investment (ROI), thus satisfying the increasing trend for integrated industry 4.0 implementation on the factory floor. One such proposal was suggested for
volume manufacturers in the pharmaceutical industry: in particular, those companies manufacturing tablets using automated presses and punch tools. Data from these machines can be
collected using passive UHF RFID ‘on metal’ transponders which can be retrofitted to existing tablet press machines and mounted on the actual press-die/punch tools. The RFID read and write tags can record the pressing process, i.e. the number of operations performed by a particular press die, plus any other critical operating sensor-monitored conditions. The system can then review that data against expected normal end- of-life projected limits set for that die. Such data can be managed and
processed through Harting’s MICA edge computing device, which can then automatically alert the machine operator that maintenance needs to take place to replace a particular die-set before it creates a catastrophic tool failure condition and breakdown in the production line - which unfortunately is still quite a common occurrence.
16 JUNE 2018 | AUTOMATION
OPEN SYSTEM SOFTWARE MICA is easy to use, with a touch- optimised interface for end users and administrators, implemented entirely in HTML5 and JavaScript. It provides an open system software environment that allows developers from both the production and IT worlds to quickly implement and customise projects without any special tools.
MICA is easy to use, with a touch-
optimised interface for end users and administrators implemented entirely in HTML5 and JavaScript"
Applications are executed in their own
Harting IIC MICA (Modular Industry Computing Architecture) provides existing machinery and systems with intelligence, making it possible to transform factories into smart factories, bringing to life the potential of integrated industry
Linux-based containers, which contain all the necessary libraries and drivers. This means that package dependencies and incompatibilities are eliminated. In addition, such containers run in individual ‘sandboxes’ which isolate and secure different applications from one another with their own separate log-in and IP addresses. As a result, there should be no concerns over data security when MICA is allowed access to a higher- level production ERP network. MICA is already offered with a number
of containers such as Java, Python C/C++, OPC-UA, databases and web toolkits, all available on free download
via the Harting website. As a result, users should be able to download links to the operating software system compatible with an existing machine, enabling full two-way communication with the MICA device. Relaying such manufacturing information, which can comprise many gigabytes of data in the course of a day, directly to the ERP would normally overwhelm both the network and the ERP. With the MICA, this data stream is buffered directly onto the machine and can be reduced to just essential business-critical data using proven tools from the IT world. The resultant improvements in
productivity include: • Less downtime reduces the amount of
money lost during unforeseen maintenance of damaged punch tools. • Individual punch identification will
help in removing a specific punch, once it has reached its pre-set operational frequency working limit. • A digital log of each punch and the
number of tablets that it has produced is recorded. This provides vital information for GMP (Good Manufacturing Practice) regulators such as the MHRA (Medicines & Healthcare products Regulatory Agency) or the FDA (Food & Drug Administration). A further benefit is that MICA is very
compact, with DIN rail mounting fixing options that allow it to be easily accommodated inside a machine’s main control cabinet.
ABOUT HARTING Harting connectors and network components are used in mechanical engineering and plant manufacturing, in automation systems, energy generation and distribution, and in electronic and telecommunication markets. Harting offers Ethernet network components and cable systems for both indoor and outdoor networking applications involving power and data.
Harting
www.harting.co.uk /AUTOMATION T: 01604 827500
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