Curling defects of tinbox - Gaps

- May 15, 2018-

Upper gap Uc is larger

Head position is too low

Indenter and tray distance is too small

Undercarriage pressure is too high

The head roller is too loose ★

The first roller groove wear ★

Poor support on the two rollers

Indenter diameter is too large

Indenter thicker


Upper gap Uc is smaller

The head roller is too tight ★

Thin head


Lower clearance Lc is larger

The head curling roller is too tight

The head curling roller is too loose ★

Two curls are too tight ★

Head curling roller groove wear ★

The head roller groove is too fine

Poor roller support on the top and bottom rollers

Poor support on the two rollers

Undercarriage spring failure

Can body flange width is smaller

Can body flange bending radius is too small


Lower gap Lc is smaller

Indenter and tray distance is too small

Undercarriage pressure is too high


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