Ring Blanks and Jump Rings: Bending Length, Allowances and Wire per Order
This lesson is part of the course
In this lesson
You calculate the strip length for a ring from its inner diameter and thickness, add a filing allowance to the width, and work out how much wire a batch of jump rings needs including the saw cuts.
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Lessons in this course
- Ring Sizes: Inner Diameter, Circumference and a Size Chart Lookup Locked
- Ring Blanks and Jump Rings: Bending Length, Allowances and Wire per Order Locked
- Wire and Sheet: Gauge to Millimetres and Metal Weight from Volume × Density Locked
- Alloys and Purity: Fineness in ‰, Karat ÷ 24 and Mixing to a Target Locked
- Metal Value: Fine Metal × Price, Scrap Offers and a Price Sensitivity Table Locked
- Beading: Beads per Strand, Packs to Buy and Pattern Repeats with INT and MOD Locked
- Stones and Findings: Stones around a Band, Bill of Materials and Cost per Piece Locked
- Capstone: Cost Price, Retail Price, Metal Surcharge and a Collection Chart Locked