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Simplified engagement process for new clients
Free Engineering Consultation — Book Online in Minutes If you’re facing a technical challenge, a compliance question, or a critical project decision, a free engineering consultation is the most effective first step. Whether the topic is structural verification to EN standards, Design of Experiments strategy, FEA, or broader product development guidance, a focused conversation with…
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Video Content from Product Development Engineers Ltd
What Our YouTube Channel Tells You About How We Work Engineering services are often judged on outputs alone: drawings delivered, calculations signed off, analyses completed. What is harder to see from the outside is how those outputs are produced, what depth of thinking sits behind them, and how an engineering consultancy actually supports its clients…
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Famous Taguchi Experiment 1
Explore how to use the Taguchi method through a real-world case study from RCA’s 1960s TV tuner project. Learn about control factors, orthogonal arrays, and signal-to-noise ratios in robust product design. A practical guide for engineers and developers focused on quality improvement and variation reduction.
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Product Development Engineers Ltd Featured on Tech Talk for Teens Podcast
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Absorption refrigeration explained
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Who was F P Zimmerli?
F. P. Zimmerli was a prominent mechanical engineer and researcher in the mid-20th century, specialising in spring design, fatigue analysis, and shot peening. He served as Chief Engineer at the Barnes-Gibson-Raymond Division of Associated Spring Corporation, a key supplier of precision springs. Notable Contributions 1. “Human Failures in Spring Applications” (1957):Zimmerli authored this influential paper,…
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EN 547-1:1996+A1:2008 explained
Understanding EN 547-1:1996+A1:2008 – Human Body Measurements for Machinery Access EN 547-1:1996+A1:2008, titled “Safety of machinery – Human body measurements – Part 1: Principles for determining the dimensions required for openings for whole body access into machinery”, is a key European standard developed to ensure the safe and ergonomic design of machinery access openings. This standard…
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EN ISO 14121-1:2007 explained
EN 14121-1:2007 – Safety of Machinery: Risk Assessment – Part 1: Principles EN 14121-1:2007 was a European standard that established principles for conducting risk assessments in machinery safety. It has since been superseded by ISO 12100:2010, which integrates its principles into a broader framework. However, understanding EN 14121-1:2007 remains valuable, as it laid the foundation for modern risk assessment practices…
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Tapered roller bearings explained
1. Overview Tapered roller bearings (TRBs) can handle both radial and axial loads due to their conical geometry. 2. Design and Geometry Geometric Relationship: where: 3. Load Handling Capacity The relationship between the radial and axial loads for a single tapered roller bearing is: where is the contact angle. For a bearing pair, the axial load capacity is…
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EN 17106-1 explained
EN 17106-1:2021 is a European standard that sets out general safety requirements for road operation machinery. This standard provides a framework for ensuring that such machinery is designed, manufactured, and used safely throughout its lifecycle. It is the foundational part of the EN 17106 series, with additional parts covering specific machine types. Scope and Purpose…