We share with our customers some of the experience we have gained over the last decades. We present below the common stitching faults, Reasons & Corrections.

  Stitching Faults Reasons and Corrections
Perfect Stitch. 'HOKO Brand' Stitching Wire
One leg too short. Incorrect wire feed, undue brake on wire spool, wrong setting of wire feed.
One leg too long. Too much wire feed, wrong adjustment of feed lever.
Crumpled staple crown. Wire of no penetrating force, change for stronger wire.
One leg breaks at bending angle. Wire too brittle or hard, edges of driver too sharp.
Staple crown not flushed, legs crumpled. Arm too low, or wire too soft or too thin.
Both legs short. Adjust the length of wire by resetting with the help of feed adjusting screw.
Both legs squeezed back. Replace loop bar or formes.
One leg squeezed upward. Damage to driver (corner broken)
Crown of staple bowed, staple not clinched correctly. Wrong setting of stitching thickness, set the arm.
Staple legs not fully closed. Set the push bar.
One leg not clinched. Clinchers, back plate push bar damaged.
Clinching pressed through board. Push bar too high.
Burr on wire ends. Blunt cutters or cutters not sliding with cutting tube.
Bowed staple crown, not flush clinching. Wire too hard, Replace the wire.
Side deflected shank. Damaged back plate or back plate out of the line with head.
Wire buckled between cutting tube and feeder. Wrong size of wire, short feeding, bad cut off, wire intermingled in coil, excessive wear of wire guide, loop bar, wire holder.