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Board-by-Board Optimization

By: sandra.b

Tout comme chaque type de bord bénéficie de sa propre thermal profiling dans votre four montage en surface, chaque type de conseil bénéficie également de son propre conseil paramètres de l'onde de wave solder machine

Le meilleur temps de séjour de celui-ci a été retrouvé à 3,6 secondes, contrairement à 2,8 secondes pour le premier bord. Comme vous pouvez le voir, le "temps de séjour profils des deux conseils sont différents. Ce processus a abouti à abaisser de façon spectaculaire les taux de défaut pour la deuxième Conseil a étudié (qui a également été exécuté à 1,0 secondes), mais jamais tout à fait aussi faible que le nouveau niveau de référence qui a été atteint pour la première chambre. Cette fortement indique la présence de sources de défauts sans rapport avec le temps, par exemple la non-optimale Profondeur d'immersion ou de problèmes de conception.

Profondeur d'immersion

Modification de votre immersion en profondeur vos modifications longueur et le temps. Cela rend le direct et la mesure précise de la profondeur d'immersion critique. Votre débit de la pompe produit une hauteur de vague (bien que cela peut diminuer à mesure que votre soudure pot vide de la soudure), mais la profondeur d'immersion de votre dépend de plusieurs facteurs, y compris la soudure pot hauteur, comment ils siègent dans les doigts, si vos doigts sont plié, brisé ou tordu, l'angle de votre convoyeur et si oui ou non les palettes sont utilisées.

Pourtant, le contrôle de votre profondeur d'immersion - de mesure et de maintien de la cohérence - est seulement une pièce du puzzle. Une autre est la suivante: À quelle profondeur d'immersion est la qualité de votre conseil d'administration wave solder optimizer? Ce point est illustré par la figure 4. Voir que le taux de défauts du conseil représenté par les barres bleues est optimisé sur une autre gamme (48 millions, ou même de 36 à 60 millions) que le conseil d'administration représenté par le jaune bars (24 à 36 millions). Ainsi, différents types de conseil le plus bénéficier de différentes profondeurs d'immersion.
Quantifier les coûts et les avantages

Avant cette étude, la perte de rendement a été suivi sur une base mensuelle comme une mesure du coût de production des échecs. Volume de production pour le conseil a étudié 11000 par mois.

1.) Avec la mise en oeuvre optimale de temps de résidence en utilisant les procédures décrites appareil, perte de rendement est passé de 3,0% (330 conseils) à 1,6% (176 conseils) dans le premier mois d'utilisation quotidienne.

2.) Cela signifie une réduction de la perte de rendement de 154 conseils par mois. Pour un 30 jour mois, cela signifie 5,13 planches par jour.

3.) À raison de 300 dollars pour le coût de chaque bord, la réduction des coûts basée sur l'amélioration de perte de rendement à elle seule 46200 $ par mois, ce qui annualizes à $ 554400.

4.) Cela signifie que le retour sur investissement sur le dispositif utilisé dans l'étude était de moins de cinq jours.

Conclusion: Un quotidien en apparence petite amélioration dans la vague de soudure de qualité signifie rapide, très grand, mesurables mensuels et annuels des économies de coûts. Ces chiffres ne tiennent même pas compte de la valeur des économies sur les prestations telles que la réduction de retouche et des échecs, moins les temps d'arrêt et l'augmentation de débit, dont chacun en lui-même peut être plus de valeur que les économies réalisées sur les rapide de perte de rendement.

Article Source: http://www.articlesnatch.com

About the Author:
L'article est écrit sur l'information que l'auteur a reçu de www.swpc.co.il. Les informations l'auteur a obtenu d'ici était bonne et c'est vrai sur tous les aspects de la technologie discuté ci-dessus. Comme l'auteur a eu affaire dans la fabrication de circuits imprimés à grande échelle.

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