Converting & Assembly
V-Grooving
V-shaped grooves that fold rigid board into sharp, 90-degree edges for premium box structures.
What it is
V-grooving cuts a precise V-shaped channel into rigid board so it folds into clean, sharp 90-degree corners without the rounded crease of standard folding. It is used for luxury cartons, rigid box panels and book-style covers that need crisp geometry. ZKPACKS applies v-grooving to rigid box components and thick-board packaging.
How it looks
Sharp, architectural edges with clean right angles.
How it feels
Firm, crisp corners that hold their shape precisely.
Verified media pending
A media slot—not a fabricated factory image.
Add ZKPACKS sample close-ups, before/after comparisons or verified production media when source and process attribution are confirmed.
Suitable materials
- Rigid grey board
- Thick paperboard
- Laminated rigid panels
Suitable packaging types
- Rigid gift boxes
- Premium cartons
- Book-style packaging
- Cosmetic coffrets
Recommended combinations
- V-grooving with rigid box wrapping
- V-grooving with foil and embossed panels
- V-grooving with die-cut insert trays
Artwork requirements
- Fold positions defined precisely in the structural layout
- Printed artwork aligned to the groove lines
- Wrapped panels designed with groove allowance
Limitations
- — Adds converting cost compared with simple creasing
- — Groove depth must match board thickness precisely
- — Not suitable for very thin boards
Production risks
- — Inconsistent groove depth causing uneven folds
- — Board cracking if the groove is too shallow
- — Corner misalignment on multi-groove panels
Sustainability considerations
V-grooving is a mechanical converting step that adds no material, so paper-based board may be recyclable subject to material specification and local collection infrastructure.
FAQ
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