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shoe quality control

Visible stitching holes – Case #641

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: stitching holes are visible after lasting.

shoe quality control

Impactiva solution: we got the factory to attach a 35 mm. width tape underneath the vamp and counter joint in order to avoid the stretching of that area when lasting, which is the reason why stitching holes are visible.

shoe quality control

shoe quality control

Stay tuned for more Impactiva technical solutions to every day production problems.

shoe quality control

Bad leather on shoe components – Case #621

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: leather components with open defects and looseness.

shoe quality control

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Impactiva solution: we got the factory to mark the leather defects on the hides before sending them to be cut, so that the cutter can easily see and avoid them.

shoe quality control

shoe quality control

shoe quality control

Stay tuned for more Impactiva technical solutions to every day production problems.

case 600 pic 1 impactiva footwear qa

Wrinkles on vamps – Case #600

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: wrinkles on vamps.

case 600 pic 1 impactiva footwear qa

Impactiva solution: we got the factory to apply glue on the vamps before feeding and recommended blocking before toe lasting.

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Stay tuned for more Impactiva technical solutions to every day production problems.

case 580 pic 1 impactiva footwear qa

Open back seam – Case #580

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: lining back seams open.

case 580 pic 1 impactiva footwear qa case 580 pic 2 impactiva footwear qa

Impactiva solution: we instructed the artisans how to improve the lining fitting process and to make sure the vamp and lining edges are at the same level in order to avoid the back seam opening after stitching.

case 580 pic 3 impactiva footwear qa case 580 pic 4 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

case 553 pic 1 impactiva footwear qa

Not centered vamp knot – Case #553

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: the vamp strap knot was not well centered.

case 553 pic 1 impactiva footwear qa

case 553 pic 2 impactiva footwear qa

Impactiva solution: we got the factory to mark the center on the last in order to maintain the knot in the correct position.

case 553 pic 3 impactiva footwear qa

case 553 pic 4 impactiva footwear qa

case 553 pic 5 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

case 524 pic 1 impactiva footwear qa

Hidden leather defects – Case #524

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: vein marks and closed defects visible in the vamps after toe lasting.

case 524 pic 1 impactiva footwear qa case 524 pic 2 impactiva footwear qa case 524 pic 3 impactiva footwear qa

Impactiva solution: we got the factory to use a wooden bar to pull the components and check for hidden defects in order to reject bad components before building the shoe.

case 524 pic 4 impactiva footwear qa case 524 pic 5 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

case 523 pic 2 impactiva footwear qa

Vamp shape in production – Case #523

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: the production vamp wellington shape does not match the sample.

case 523 pic 1 impactiva footwear qa case 523 pic 2 impactiva footwear qa

Impactiva solution: we got the factory to change the vamp cutting die to match the sample shape.

case 523 pic 4 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

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Wrinkles on the apron – Case #489

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: the toe puff was being attached wrongly, what caused wrinkles on the apron.

case 489 pic 1 impactiva footwear qa case 489 pic 2 impactiva footwear qa

Impactiva solution: we got the factory to attach the toe puff beneath the vamp apron joint flaps to avoid wrinkles and bumps on the apron.

case 489 pic 3 impactiva footwear qa case 489 pic 4 impactiva footwear qa case 489 pic 5 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

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Wrinkles on the uppers – Case #444

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: wrinkles on the uppers caused by an excess of glue.

case 444 pic 1 impactiva footwear qa

case 444 pic 2 impactiva footwear qa

Impactiva solution: we got the factory to apply glue on the lasting underlay part of the upper and on the lining, keeping the vamp part free of glue in order to avoid the wrinkles.

case 444 pic 3 impactiva footwear qa

case 444 pic 4 impactiva footwear qa

case 444 pic 5 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.

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Leather decoloration – Case #392

“A picture is worth a thousand words”. Practical solutions to problems encountered in the manufacturing process that demonstrate how we assist our customers’ factories to produce Right from the Start TM.

Problem: the vamp shade becomes lighter than the shaft during crimping due to the heat from the crimping and fusing machine.

case 392 pic 1 impactiva footwear qa

Impactiva solution: we got the factory to use a 3 mm piece of PU memory foam between the vamp and shaft components during crimping. This successfully prevented the decoloration.

case 392 pic 2 impactiva footwear qa case 392 pic 3 impactiva footwear qa case 392 pic 4 impactiva footwear qa

Stay tuned for more Impactiva technical solutions to every day production problems.