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Assembly parts

Assembly parts are products composed of multiple modules, often connected by spot welding for integrated solutions.

About our assembly parts

Assembly parts form an essential part of our product range and are indispensable for connecting, positioning or securing components in a wide variety of systems. Our bespoke solutions also include specific configurations used in combination with torsion springs, when an application requires extra precision or non-standard geometry in a snap-fit system.

Components such as clips, locking pins, hooks and fasteners are designed for quick and reliable assembly, with a long service life as a key consideration. Thanks to their precise design, they contribute to efficient and safe assembly, without the need for additional machining.

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Applications of assembly parts

From construction to mechanical engineering

In the construction and engineering sector, assembly parts ensure fast, secure connections between components, reducing assembly time and increasing reliability. In ventilation and air conditioning systems, clips and retaining springs make it easy to attach pipes, grilles and panels securely and efficiently.

Assembly parts also play an essential role in tools and machinery, fixing and positioning components to ensure stable operation and easy maintenance.

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Technical specifications and capabilities

Assembly parts combine multiple components into a single, ready-to-use module. This saves you assembly time and reduces the risk of errors in your production process. By directly combining springs, bent and stamped parts with fasteners or other mechanical components, De Spiraal delivers a solution that is immediately ready for your production line.

Custom Sizing & Configuration

From our factory in Haaksbergen, we assemble individual components into functional sub-assemblies. We utilize proven joining techniques to create robust modules, suitable for applications in medical equipment, defense, and mechanical engineering:

  • Precision spot welding, mechanical connections, and snap systems: we integrate individual parts into one solid unit.
  • Modular design: we combine various spring types such as compression springs, wire forms, and leaf springs with clips, bushings, or bolts to create a module ready for immediate assembly.
  • Custom geometry: from retaining pins and hooks to unique closures. We design each assembly component for maximum reliability and rapid processing, requiring no additional modifications on your part.

Finishing & Specialization: Based on the dynamic load and desired lifespan, we recommend the appropriate post-treatment:

  • Heat treatment: removes stresses from the material and ensures the spring optimally retains its elastic properties.
  • Surface treatment (on request): from galvanizing to specialized coatings for corrosion resistance in maritime or agricultural environments.

Material Combinations & Environmental Factors

For assembled parts, the interaction between materials determines their lifespan and reliability. We select the right combinations to prevent corrosion and ensure the desired mechanical properties:

Component Group: Spring Elements
Material Types: Stainless Steel, Spring Steel, Special alloys
Characteristics: Providing the required mechanical force or flexibility within the module

Component Group: Fasteners
Material Types: Steel (Galvanized), Brass, Plastic
Characteristics: Fixation, positioning, and electrical conductivity within the module.

Is your material not listed, or are you unsure about the right choice for your application? Contact our team; we're happy to help.

Co-engineering: from 3D model to module

Do you face complex installation scenarios or challenging assembly problems? Our engineers collaborate with you from the initial concept. Based on your 3D CAD files or samples, we align material selection and assembly methods during the design phase. This reduces the risk of errors and increases the reliability of the final product.

Need immediate technical advice?

Call our specialists at +31 (0)74 291 45 08 or send an email to info@despiraal.nl. We'd be happy to review your specifications.

Frequently asked questions

What do you mean by assembly parts?

Assembly parts are composite components in which multiple parts, such as springs, bending or stamping parts, are integrated into one functional whole, ready for installation in your product.

What are the benefits of assembly parts?

Assembly parts save time in your production process, reduce errors and increase reliability because you receive a ready-to-use functional component.

Do you supply assembly parts including fasteners?

Yes, we supply assembly parts complete with clips, bolts, bushings and other fasteners, packaged as a complete module if required.

Can assembly parts be produced based on a 3D model?

Yes, we work with 3D CAD files, technical drawings or physical samples. We are happy to contribute ideas about functional design and manufacturability.

Can you combine multiple types of springs in one product?

Sure. For example, we can bring compression springs, wire shapes and leaf springs together into one assembled part, tailored to mechanical or electrical functions.

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