Sector workflow

CNC / Machining

CNC and machining RFQs need drawings, tolerances, and process control before quote comparison.

OMA NEXUS structures drawings, materials, tolerances, surface finish, volumes, inspection plans, and supplier capability evidence so buyers and machine shops can compare fit without price-only decisions.

Buyer pain points

  • Drawings, revisions, and tolerance stacks are incomplete.
  • Material, heat treatment, and finish assumptions differ by supplier.
  • Inspection and first-article expectations are unclear.
  • Volume profile and tooling ownership are missing from early quotes.

Supplier / manufacturer pain points

  • RFQs arrive without controlled drawings or revision status.
  • Buyers compare price before process capability is reviewed.
  • Inspection scope and packaging requirements change after quotation.
  • Lead time ignores fixture setup, material procurement, and inspection gates.

RFQ requirements

  • Drawings with revision, material, tolerances, and surface finish.
  • Annual/volume profile, sample path, destination, and timeline.
  • Inspection criteria, first-article expectations, and packaging rules.
  • Secondary processes, certifications, and commercial assumptions.

Supplier documentation checklist

  • Machine capability list and process capability notes.
  • Quality system evidence and inspection equipment list.
  • Sample/first-article policy and packaging examples.
  • Material and secondary-process supplier notes where relevant.

Common risk flags

  • Drawing revision control is missing.
  • Tolerance and finish assumptions are not stated.
  • Inspection plan does not match critical features.
  • Fixture/tooling ownership and NRE costs are undefined.

Certification / compliance notes

  • ISO and industry quality references are review categories.
  • Process capability claims should map to the exact part family.
  • Material certs and secondary-process certificates need lot control.

MOQ and lead-time discussion

  • MOQ depends on setup, material buy, and fixture investment.
  • Lead time should separate material, programming/setup, production, inspection, and shipment.
  • Prototype and production quotes should not share hidden assumptions.

What OMA NEXUS structures

  • RFQ structure for drawings, process, and inspection gates.
  • Supplier capability and documentation checklist.
  • Risk flags for tolerance, revision, and NRE gaps.
  • Buyer/supplier next-action board.

Buyer outputs

  • CNC/machining RFQ outline.
  • Inspection and capability question list.
  • Supplier comparison template.
  • Process and documentation risk flags.

Supplier outputs

  • Buyer-facing machining capability profile.
  • Inspection and quality evidence checklist.
  • Listing-readiness path for supplier network review.

Related services

  • RFQ Structuring & Quote Review
  • Supplier Shortlist & Capability Mapping
  • Supplier Validation Review
  • Supplier Network Access

What OMA NEXUS does not guarantee

Review support, not outcome guarantees.

OMA NEXUS provides sourcing structure and documentation review support. It does not guarantee part acceptance, process capability, or production yield.

Detailed sector review guidance is maintained as controlled launch copy.