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6.1 Receiving, Inspection Routing & Identification

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Receiving is not a clerical task; it is the physical and digital firewall of your manufacturing system. Once a component passes this gate, the ERP assumes it is "good inventory"—available for planning, picking, and soldering. If you allow incorrect, damaged, o...

6.2 Put-away & Location Control

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Put-away is the translation of "possession" into "availability." A component sitting physically on a shelf but digitally unassigned is a Phantom Shortage waiting to happen. The system will trigger urgent re-orders while the stock collects dust just meters away...

6.3 Storage Zones & Segregation Rules

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Inventory segregation is not about organization; it is about risk containment. A "rejected" flag in the ERP is useless if the physical reel is sitting on an open shelf next to good stock. Under production pressure, operators will pick whatever is accessible. T...

6.4 Environmental Controls (Temperature/Humidity, Cabinets, Monitoring)

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

The warehouse environment is a functional component of the manufacturing process. Poor storage conditions degrade material chemically and physically long before it hits the production line. This damage—moisture saturation, oxidation, adhesive curing—is invisib...

6.5 ESD Control Program

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Electrostatic Discharge (ESD) is the silent assassin of electronics. It is invisible, audible only at thousands of volts, and often causes "latent defects"—damage that passes factory testing but causes the product to fail in the customer's hands weeks later. T...

6.6 MSD Handling & Baking

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Moisture Sensitive Devices (MSDs) are ticking time bombs in the manufacturing process. The danger is not "wetness" in the traditional sense; it is hygroscopic accumulation within the plastic package. During reflow soldering, this trapped moisture turns to supe...

6.7 Shelf-Life, Lot Traceability & Recall Readiness

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Traceability is your insurance policy against total disaster. When a supplier announces a recall for a specific capacitor lot, or when a solder joint fails in the field, you have two options: recall everything you built that year (bankruptcy risk), or surgical...

6.8 Solder Paste, Flux, Chemicals Storage & Handling

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Solder paste and adhesives are not static components; they are chemically active mixtures suspended in a state of arrested reaction. From the moment they are manufactured, the flux seeks to react with the alloy, and the polymer seeks to cross-link. Poor storag...

6.9 Picking, Kitting & Line Release Discipline

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

Kitting is the transformation of generic inventory into committed "Work in Progress" (WIP). It is not merely gathering parts; it is the digital assignment of specific assets (Lots) to a specific demand (Work Order). A sloppy kit guarantees a sloppy build. If t...

6.10 Line Returns, Scrap & Nonconforming Material Flow

09. Materials Planning, Procurement & W... Part 6. Parts & Materials Handling

The "Reverse Flow" (Production → Warehouse) is where inventory accuracy usually dies. Operators under pressure tend to dump unused parts, empty reels, and scrap into a pile and sort it out "later." "Later" never comes. The result is "Mystery Inventory"—parts t...

7.1 Incoterms & Liability

09. Materials Planning, Procurement & W... Part 7. The Physical Network (Logistics)

Incoterms are not merely shipping instructions; they are the fundamental contract of financial liability. They define the precise coordinate where risk, cost, and legal responsibility transfer from the supplier to the buyer. Failing to define this boundary res...

7.2 Import/Export Compliance

09. Materials Planning, Procurement & W... Part 7. The Physical Network (Logistics)

Customs authorities function as the ultimate physical firewall in your supply chain. They do not care about your production line down (line-down) situation, your quarter-end targets, or your engineering urgencies. If the documentation is imperfect, the physica...

7.3 Reverse Logistics (RMA)

09. Materials Planning, Procurement & W... Part 7. The Physical Network (Logistics)

Reverse logistics is not waste management; it is a forensic investigation. A failed component is evidence of a process or material breach. If you return a bag of loose, undocumented parts to a supplier, they will return a "No Fault Found" (NFF) report, and you...

7.4 Freight Booking, Consolidation & Exception Handling

09. Materials Planning, Procurement & W... Part 7. The Physical Network (Logistics)

Freight is the volatile variable that can quietly erase the cost savings you fought for during negotiation. A 5% price reduction on a component is meaningless if the logistics team books an express courier for a 200 kg pallet because they lacked a decision mat...

8.1 The Supplier Scorecard

09. Materials Planning, Procurement & W... Part 8. Supplier Performance & Development

A scorecard is not a report card; it is a feedback control loop. Without objective performance data, supplier management devolves into emotional arguments and "he said, she said" debates. Bad suppliers thrive in ambiguity. You must quantify their impact on you...

8.2 Supplier Development & Escalation

09. Materials Planning, Procurement & W... Part 8. Supplier Performance & Development

Escalation is not about shouting louder or applying emotional pressure; it is a mechanical process designed to restore system stability. When a supplier fails—whether via a quality escape, a missed delivery, or a commercial breach—they have introduced instabil...

8.3 Supplier Business Reviews

09. Materials Planning, Procurement & W... Part 8. Supplier Performance & Development

A Business Review is not a social visit. It is a control mechanism. If the agenda focuses on "relationship building" rather than performance data, the meeting is a waste of engineering time. The goal is to align the supplier's trajectory with your requirements...

1.1 The 5-Minute Mental Model

00. EMS Fundamentals Part 1. Orientation: What EMS Is and Ho...

Electronics manufacturing operates on a rigid causal loop: Product = Data + Materials + Process Control. This is not a creative endeavor; it is a discipline of replication. An EMS (Electronics Manufacturing Services) provider exists to align these three inputs...

1.2 What Is Being Built: PCB vs PCBA vs Box Build

00. EMS Fundamentals Part 1. Orientation: What EMS Is and Ho...

Precision in terminology is the first line of defense against manufacturing error. Using "PCB" when you mean "PCBA" confuses supply chains, misaligns quotes, and creates expensive delays. The manufacturing process is hierarchical: the bare board is a component...

1.3 Who Does What: OEM, EMS, ODM

00. EMS Fundamentals Part 1. Orientation: What EMS Is and Ho...

Manufacturing relationships are defined by one question: Who owns the Intellectual Property (IP)? Misunderstanding these acronyms is not just a vocabulary error; it is a legal and strategic failure. If you approach an EMS expecting them to design your product,...