Stitching Symptoms and Correction
Angular Box stitchers are the most commonly and frequently used box stitchers by manufacturers in India and South East Asia.
We highlight here a visual approach to the common problems that might show up during the use of ABS as well as the likely reasons so that the problem can be addressed.
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Visual |
Symptoms |
Reasons & Correction |
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Perfect Stitch |
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One leg too short |
Incorrect wire feed, undue brake on wire spool wrong setting of wire feed |
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One leg too long |
Excessive wire feed. wrong adjustment of feed lever |
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Crumpled staple crown |
Wire of no penetrating force, change for stronger wire. |
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One leg breaks at bending angle |
Wire too brittle or hard, edge of driver too sharp |
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Staple Crown not flush, legs crumpled |
Arm loo low, or wire too soft or too thin |
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Both legs short |
Adjust the length of wire by resetting with the help of feed adjusting screw |
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Both legs squeezed back |
Replace loop bar or former |
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One leg squeezed up ward |
Damage to driver (corner broken) |
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Crown of Staple bowed, staple not clinched correctly |
Wrong setting of stitching thickness, set the Arm |
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Staple leg not fully closed |
Set the push bar |
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Staple leg not clinched |
Clinchers, Back plate push bar damaged |
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Clinching pressed through Board |
Push bar loo high |
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Burr on wire ends |
Blunt cutters or cutting Tubes |
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Bowed staple Crown, no flush clinching |
Wire too hard or defective clincher Ram |
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Side deflected |
Defective former driver or clincher
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Wire buckled between culling tube and feeder |
Wire guide or loop bar defective |
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