oferlaor – Seam School – Craft Seaming

Eroded chuck or tooling

Chucks are a critical part of the seaming process, which hold the lid/end in place as the seaming occurs – first

How to ensure Rolls are undamaged and are safe to use? There are several methods used to ensure that rolls are

Possible causes of Low Free Space: Low (Tight) Seam Thickness Tight 2nd operation roll

Possible causes of High Free Space: High (Loose) Seam Thickness Loose 2nd operation roll Sprung Seam

More about Seam Gap. Possible causes of High Seam Gap: Loose 2nd operation roll High 2nd operation roll High 1st operation

On a finished, unseamed end, the curl radius is the radius of the end from the cut edge to the start of

Uncurling refers to the manual process of physically cutting and straightening the end curl in order to measure the curl

On a finished, unseamed end, curl height is the height from the cut edge to the top of the seaming panel.

On an uncurled end, Curl Width is the distance from the straightened cut edge to the chuck fit. This measurement,

A Tight 2nd Operation Roll setting is when the roll is set too tight (too close to the chuck) for