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31st October 2024
In an increasingly competitive global market, controlling the quality of products is key to staying ahead. In this blog post, we look at how you can use SPC to improving your manufacturing processes, enabling you to deliver consistent quality.
Statistical Process Control (SPC) is a statistical method of measuring, controlling and improving quality during production. It allows manufacturers to use their real-time data to monitor production and ensure each product adheres to the required specifications . Unlike traditional mass-production methods, which rely on a thorough inspection of finished products to determine quality, SPC for manufacturing helps manufacturers identify potential quality issues early, so they can intervene and address issues early, before they lead to defective products, compromised lines, wasted resources and lost time and revenue.
Essentially, SPC enables a shift from detection-based to prevention-based quality control. It is particularly useful in industries where compliance, precision and consistency are crucial, such as automotive, electronics and medical device manufacturing. By using SPC, manufacturers are better able to meet all their compliance obligations, as well as prevent problems, streamline operations and reduce waste.
In any production process, variation is inevitable. Whether it’s a change in the quality of raw materials or fluctuating environmental temperature, it’s impossible for manufacturers to control every tiny element of production. Where SPC for manufacturing can help, however, is in identifying and differentiating between the two main types of variation, so that any negative impact on production can be kept to an absolute minimum.
These two types of variation are common cause and special cause.
By continuously monitoring these variations over time with SPC tools, manufacturers can address minor issues before they escalate, thereby improving product quality and consistency and reducing downtime.
The advantages of using SPC for manufacturing go way beyond ensuring high quality is being achieved consistently. Some other key benefits include:
Traditionally, collecting and analysing data in manufacturing environments has been a complex and time-consuming task requiring specialist knowledge and tools. Manual updating of multiple spreadsheets has often meant issues along the production line going unnoticed until the last minute, often when the damage has already been done and product lines have been affected. It has been almost impossible for floor managers to be proactive with emerging issues.
But as manufacturers adopt more advanced technologies, the potential of their data for driving process improvements has grown exponentially. A new raft of intuitive software solutions is making it empowering manufacturers to automate the gathering, monitoring and analysis of data, and tools like BCN’s EasySPC enable organisations to unlock the true potential of SPC within their organisation.
Unlike traditional tools that require manual data entry, tools like EasySPC automate the entire SPC process. With real-time insights, automated reporting and seamless integration with Microsoft Power BI, EasySPC means manufacturers can avoid the pitfalls of relying on spreadsheets and legacy systems and instead monitor process quality and consistency continuously. And with capability analysis embedded in the EasySPC tool, it’s easier than ever for manufacturers to monitor not only the stability of their processes, but their ability to meet performance standards.
Due to its reliance on the quality of data, implementing SPC for manufacturing can feel like a massive undertaking. It can be helpful to seek expert support in the first instance, and BCN’s SPC Consultancy service is a good place to start. Broadly speaking, however, the journey to implementing SPC for manufacturing follows seven key steps.
As industries adopt more advanced technologies, the potential of SPC to drive improvements for manufacturers will only grow. With so many competitive factors outside of their control, manufacturers can harness real-time data through intuitive automation tools like EasySPC to stay ahead of the competition and differentiate themselves by consistently delivering higher quality products at lower costs.
By investing in SPC today, manufacturers can transform their processes, save time and money, and build a strong, insights-based foundation for sustainable success.