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New Energy | Lithium-Battery Coating | Precision Metal Shims

Coating Die-Head Shim for Lithium-Battery Production

What We Made

This ultra-thin metal shim is used in a coating die head for lithium-battery production. The component combines long locating profiles, irregular slots, precision openings, and raised tab features in one drawing-defined part.

The Technical Challenge

The geometry requires irregular slit machining and trapezoidal cross-section features while maintaining consistent opening geometry. Because the shim is ultra-thin, flatness and thickness consistency also need to be considered alongside the cut profile so the finished part can fit into the coating assembly as intended.

How We Support the Build

We work from the released drawing to plan the critical profiles, slots, and locating features around the required shim material and finished condition. This drawing-led approach lets the part be reviewed for feature accessibility, edge requirements, flatness expectations, and inspection points before prototype or repeat production.

Numbers That Matter

Critical FeaturesIrregular Slots

Drawing-defined openings and locating details

Profile RequirementTrapezoidal

Cross-section geometry reviewed to the component drawing

Part ConditionUltra-Thin Shim

Flatness and thickness consistency considered for assembly

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