Polishing

Polishing progressively refines a surface with abrasive compounds until it reflects light cleanly. It is essential on mould cavities that must produce gloss parts, on light guides where scattering ruins efficiency, and on decorative metal parts where appearance is the product.

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Capacidades

Qué hacemos

✓

Grades from satin to mirror finish

Grades from satin to mirror finish

✓

Ra values down to 0.05 µm

Ra values down to 0.05 µm

✓

Mould cavity polishing to SPI A1

Mould cavity polishing to SPI A1

✓

Light guide and lens polishing

Light guide and lens polishing

✓

Decorative metal polishing and buffing

Decorative metal polishing and buffing

✓

Edge and corner rounding control

Edge and corner rounding control

Materiales

Materiales

Tool steel and mould steel
Stainless steel
Aluminium
Brass and copper
PMMA and polycarbonate
PEEK and POM
Especificaciones

Especificaciones clave

EspecificaciónDetalles
Surface finishRa 0.05–0.4 µm
GradeSPI A1–A3 achievable
MaterialsSteel, stainless, aluminium, plastics
MethodsHand, vibratory, diamond paste
Size limitup to 1,000 mm typical
Lead time3–7 working days
Acabados

Acabados superficiales y postprocesado

Bright dip after polishing

Bright dip after polishing

Protective lacquer or oil

Protective lacquer or oil

Anodizing over polished surface

Anodizing over polished surface

FAQ

Preguntas frecuentes

What finish do I need for a mould?

It depends on the part requirement. SPI A1 gives a mirror gloss, A2 is a high gloss, and B grades produce a semi-gloss that hides small defects. We match the cavity finish to the target part appearance.

Why does polishing matter on light guides?

Every surface imperfection scatters light and reduces efficiency, so light guides are polished to optical quality on the faces that must transmit or reflect.

Can polishing remove machining damage?

Yes, but the process has to remove enough material to get below the damaged layer. We start with the appropriate abrasive grade rather than polishing over tool marks.

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