Part · discovery

Rolling roll blank stock

Paired selected metal roller/journal blanks with load/contact-hardness and stock compatibility demands; discovery hypothesis, grade/quantity/capability unreviewed.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Parts and Tools needed

No researched inventory yet. This is an unexpanded frontier; an empty list does not mean the item can be obtained directly from nature.

What remains unresolved

Manufacture, quantities, suitability and complete inventory remain unreviewed.

Canonical reuse assessment

{
  "checked": [
    "tool-steel",
    "shaft"
  ],
  "decision": "Integrated rolling contact/journal geometry differs from spindle shaft and generic steel."
}

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Used by

Items that directly require this item in their selected inventory.

Rolling tools

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Battery cell → Battery making equipment → Rolling tools → Rolling roll blank stock

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