OBO Precision Blog
Engineering guides for dispensing machines, potting systems, materials, applications, equipment selection, and troubleshooting.

What RFQ Data Package Should Buyers Send to a Second-Source Dispensing Supplier?
Learn what RFQ data package buyers should send to a second-source dispensing supplier. Include material data, part drawings, process targets, defect history, alarm history, validation criteria, and launch requirements.

When Should Buyers Escalate From Controlled Shipping to Second-Source Qualification for Dispensing Suppliers?
Learn when buyers should escalate from controlled shipping to second-source qualification for dispensing suppliers. Review alarm recurrence, CAPA failure, shipment risk, revalidation, and supplier exit criteria.

What Exit Criteria Should Buyers Require Before Ending Controlled Shipping for Dispensing Suppliers?
Learn what exit criteria buyers should require before ending controlled shipping for dispensing suppliers. Review alarm recurrence, defect trends, CAPA effectiveness, shipment evidence, revalidation, and buyer approval.

When Should Buyers Put Dispensing Suppliers on Controlled Shipping After Alarm Recurrence?
Learn when buyers should put dispensing suppliers on controlled shipping after alarm recurrence. Control repeated alarms, suspect parts, inspection gates, CAPA evidence, shipment release, and exit criteria.

How Should Buyers Monitor Dispensing Alarm Recurrence After CAPA Closure?
Learn how buyers should monitor dispensing alarm recurrence after CAPA closure. Track alarm trends, defect rates, restart evidence, shift variation, material source, and revalidation triggers.

What Evidence Should Buyers Require Before Closing CAPA for Repeated Dispensing Alarms?
Learn what evidence buyers should require before closing CAPA for repeated dispensing alarms. Review root cause, containment, first-piece checks, KPI trends, recurrence control, and revalidation triggers.

When Should Repeated Dispensing or Potting Alarms Trigger CAPA or Revalidation?
Learn when repeated dispensing or potting alarms should trigger supplier CAPA or process revalidation. Use alarm recurrence, defect trends, affected windows, restart evidence, and KPI thresholds.

What First-Piece Checks Should Buyers Require After Dispensing or Potting Alarm Restarts?
Learn what first-piece checks buyers should require after dispensing or potting alarm restarts. Control ratio, pressure, vacuum, fill volume, bead quality, cure evidence, and release approval.

How Should Buyers Quarantine and Release Parts After Dispensing or Potting Alarms?
Learn how buyers should quarantine and release parts after dispensing or potting alarms. Control affected windows, ratio alarms, pressure drift, vacuum failure, inspection evidence, and restart approval.
