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Manufacturing

Data inventory template for an injection molder

By SourceX Editorial · Updated

Short answer

An injection molding data inventory lists every system that holds plant records in six columns: system, record type, years held, link key (mold, press or lot), a customer-owned flag and export method. The link key matters most, because records sharing mold, press and lot numbers connect from shot to repair, which is where their value comes from.

Key takeaways

  • Six columns cover a molder's inventory: system, record, years held, link key, customer-owned flag and export method.
  • Mold, press and lot numbers are the keys that connect a pressure trace to an NCR and a repair.
  • Press monitoring and cavity pressure history is often lost to local storage limits, so record how far back it really goes.
  • Customer molds are customer property, but the maintenance log you kept on them is usually your record.
  • An inventory is metadata only: no files need to leave the plant to complete it.

What goes in an injection molding data inventory?#

An injection molding data inventory is a single table listing each system or file location that holds plant records, what those records are and how they connect. Molders run a wider spread of systems than most manufacturers, from the ERP and press monitoring to cavity pressure software, dryer controls and the maintenance spreadsheet in the toolroom, and history is scattered across all of them.

Keep the columns the same for every row so the inventory can be sorted and compared. Six columns are enough for a first pass.

  • System: the software, controller or file location, such as the ERP, MES or a shared drive folder.
  • Record: what the system holds, in plant terms such as work orders, downtime codes or PM logs.
  • Years held: how far back records are actually accessible today, not how long the system has been installed.
  • Link key: the number that connects records across systems, usually mold, press, lot or work order.
  • Customer-owned flag: yes, no or mixed, based on drawings, specifications and tooling agreements.
  • Export method: how the records could be pulled later, such as a report, database query or scan.

The template, filled with typical molder rows#

The template below shows rows most molders will recognize. Replace the example entries with your own systems and answers, add rows for anything else you run, and mark unknowns as unknown rather than guessing.

The template, filled with typical molder rows
SystemRecordYears heldLink keyCustomer-owned?Export method
ERP such as DELMIAworks, Epicor or PlexWork orders, routings, resin receipts, shipmentsSince go-live; check archived companiesWork order, lot, part numberNo, though part numbers identify customersBuilt-in reports or database query
Press monitoring or MESCycle times, downtime reasons, scrap countsOften limited by storage settingsPress, mold, work orderNoCSV report or historian export
Cavity pressure systemPressure curves and alarms by cycleCheck the local PC or serverMold, cavity, press, time stampMixed; check the tooling agreementVendor software export
Mold maintenance logPM records, repairs, shot counts, steel changesOften spreadsheets or paperMold numberMold is customer's; log usually yoursSpreadsheet or scan
QMSNCRs, CAPAs, PPAP files, inspection resultsSince QMS adoptionLot, part number, moldPPAP and drawings: yesReport export
Process and setup sheetsApproved parameters by mold and pressCurrent version plus revisionsMold, pressMixed; check the tooling agreementDocument folder
Dryer and auxiliary controlsDew point, temperatures, alarmsOften not retainedPress, time stampNoController log, if kept
Shared drive and emailCustomer drawings, RFQs, change noticesVariesPart number, revisionDrawings: yesDo not export; flag only

Link keys turn a list of systems into connected history. When the same mold number appears in the cavity pressure system, the maintenance log and the NCR, you can follow a short shot from the pressure trace to the nonconformance to the vent repair that fixed it. That chain of signal, decision and outcome is what makes molding records useful for analysis and for AI.

Check that keys match across systems before you rely on them. Molds are often numbered one way in the ERP and another in the toolroom, presses get renumbered after a plant move, and resin lots may stop at receiving instead of following through to finished goods. Note each mismatch in the inventory and record any cross-reference table that resolves it.

Setting the customer-owned flag#

The customer-owned flag tells a rights review where to look first. Mark yes for customer drawings, specifications, PPAP submissions and any mold design files the customer purchased. Mark no for records your team generated about your own operations, such as downtime codes and dryer logs.

Use mixed for records your team created that a tooling agreement or PO term may cover, most often process sheets and cavity pressure data. Mixed is not a verdict; it is a note to pull the agreement. Remember that a customer-owned mold does not make your maintenance log on that mold customer property, although the log may name the customer's part and need redaction.

Years held and export method: where history disappears#

The years held column is where molders get surprised. Press monitoring systems may keep detailed cycle data only for a rolling period before summarizing or overwriting it, cavity pressure files often sit on a single PC beside the press, and maintenance history can live in one toolmaker's notebook. Record what is accessible today and where it physically sits.

System changes are the moment history is most often lost. A post on the EpiUsers community forum, titled Epicor Kinetic Innovation Moves to the Cloud: On-Premises Development Ends in 2028, says Epicor is outlining export options for data and attachments. If your ERP, MES or QMS is due for a migration or retirement, mark the export method and the deadline on that row so the archive is captured before the old system is switched off.

Illustrative: a closures molder fills in the template#

Illustrative: a fictional molder of caps and closures for personal care brands starts its inventory with the IT lead and the quality manager. The ERP holds work orders and shipments back to its go-live, the press monitoring system keeps detailed cycle data only for a rolling window, and cavity pressure files sit on a PC in the molding room. Maintenance history lives in a toolroom spreadsheet keyed by an older mold numbering scheme.

The team adds a cross-reference between old and new mold numbers, flags customer drawings and PPAP files as customer-owned, marks process sheets as mixed pending a review of tooling agreements, and changes the cavity pressure PC's settings so files are copied to a server. The finished inventory shows that maintenance logs, downtime codes and NCRs connect cleanly by mold and lot across many years.

How SourceX uses a molder's inventory#

SourceX starts the Supply step of the SourceX five-step transaction with exactly this kind of metadata: systems, record types, years held and known restrictions. No files are shared during the initial assessment, and the customer-owned and mixed flags set the scope of the Rights step that follows.

Records that connect by mold, press and lot tend to rate well on several drivers in the SourceX Enterprise Data Value Framework, including domain expertise, human-generated signal and scale, while customer-owned material is excluded and preparation cost is weighed against net value.

Frequently asked questions

Who should fill in the inventory?

Usually the IT or ERP lead with the quality manager and the toolroom or maintenance lead. Each knows a different set of systems. The owner or general manager should review the customer-owned flags, because those decisions depend on customer agreements the team may not have seen.

Do we need to export any data to complete it?

No. The inventory describes systems and records; it does not contain them. You can complete every column by checking screens, report menus and storage locations. Exports come later, and only for records that clear a rights review and a decision to proceed.

How should we list paper maintenance logs?

List them like any other system: what they record, which molds, how many years, where the binders are kept and whether anyone has scanned them. Paper history is often the longest maintenance record a molder has, so note its condition and whether entries carry mold numbers.

Should records about customer-owned molds be included?

Yes, list them and flag them. The mold belongs to the customer, but maintenance, downtime and scrap records you generated while running it are usually yours, subject to your agreements. Listing them lets a rights review decide rather than leaving history out by default.

How often should the inventory be updated?

Update it whenever a system is added, migrated or retired, and review it once a year. The most important update happens before a migration, so the old system's export method and cutoff date are written down while someone still knows how it works.

Sources

  • An Epicor post on the EpiUsers forum, titled 'Epicor Kinetic Innovation Moves to the Cloud: On-Premises Development Ends in 2028', says Epicor is outlining export options (data plus attachments). Source

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