Schraubbare

Schraubbare is a German term used in engineering and design to describe parts, assemblies, or connections that can be joined and disassembled using screws. A schraubbare component is designed to be fixed with threaded fasteners and to allow service or maintenance without destroying the parts. The concept is central to modular design, repairability, and recycling.

Etymology and usage: the word combines schrauben (to screw) with the suffix -bar, meaning capable of. In practice the phrase is often used as verschraubbar, verschraubbare, or schraubbare Verbindung. It is commonly applied to housings, panels, brackets, and joint interfaces where screws provide the primary or a supplementary means of connection.

Applications and features: schraubbare connections are widespread in machinery, electronics enclosures, furniture, automotive components, and consumer products. Typical features include drilled holes or threaded inserts, aligning shoulders or dowel pins, and compatible fasteners (screws, nuts, washers). Design considerations include clearances, tolerances, material strength, and the inclusion of anti-loosening methods such as threadlockers, proper torques, or locking screws.

Advantages and challenges: the main benefit is easy disassembly for repair, upgrade, or recycling and the possibility to reuse components. Drawbacks can include longer assembly times, potential loosening under vibration, and wear on threads. Mitigations include choosing appropriate screw types and sizes, using captive or recessed fasteners, applying threadlocker, and ensuring adequate thread engagement.

See also: Schraubverbindung, Verschraubung, Gewinde, DIN-Normen.