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Appliance parts are large, visible and structural at the same time: washing-machine doors, air-conditioner panels, vacuum housings. The machine needs tonnage and shot capacity first, finishing control second.
Appliance panels and housings need high clamping force and large shot capacity, and — because they are cosmetic — very stable holding pressure across a long fill. Variable-displacement hydraulics keep energy cost acceptable on large machines that run long cycles.
| Finish | Typical part | Machine-side note |
|---|---|---|
| High-gloss | Door panels, lids | Mold temperature control; stable melt |
| Textured | Housings, rear panels | Uniform packing to keep texture definition |
| Painted / plated after-mold | Trims, handles | Cleanliness; no silicone contamination |
PP dominates large appliance parts; ABS and PC-ABS for visible trims; glass-filled PP for structural bases. Glass-filled large parts amplify wear — the same hardened-barrel argument as automotive applies.
Appliance parts assemble into complex final products, so tolerance stacks across several molded parts decide fit and finish. Consistency shift-to-shift matters more than a single perfect sample — process stability is the selling point when quoting this segment.
Large cosmetic parts need high clamping force and big shot capacity; the exact tonnage follows from the projected area and the material's flow, sized by the mold designer.
Large parts run long cycles; variable-displacement pumps cut energy consumption on long-cycle production meaningfully compared with fixed pumps.
Mold-temperature inconsistency and melt-temperature drift. Machine-side stability plus good mold cooling control the gloss.