Technical guides and tips on spring design.
Music Wire vs Stainless Steel: Choosing the Right Spring
Music wire vs stainless steel for springs: compare tensile strength, corrosion, temperature and cost to pick the right spring material with confidence.
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Spring Tolerances: A Complete Guide to Fit and Function
Understand spring tolerances: which dimensions are controlled, standards like DIN 2095 and EN 15800, precision grades, and how to specify them correctly on an order.
How to Calculate Spring Deflection: A Practical Guide
Learn how to calculate spring deflection step by step: spring rate, Hooke’s law, a full worked example and the travel limits you must never exceed.
How to Measure a Compression Spring: A Complete Step-by-Step Guide
Learn how to measure a compression spring with a caliper and ruler to reorder or reproduce it exactly. Technical guide with formulas, tolerances and common mistakes.
Music wire, stainless and more: choosing a spring material
A guide to the main spring materials and how to choose based on the application.
Compression, extension, torsion and conical: which spring type?
The differences between the four main spring types and where each one is used.
Spring replacement: when and how to find the right spring
How to spot a worn spring, measure an existing one, and find the correct replacement.
How to calculate a compression spring
Learn to calculate spring index, spring rate, stress and solid height of a compression spring — with the formulas engineers use.