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CAD Handshake Before Mechanical Freeze — STEPMOTECH engineering article

CAD Handshake Before Mechanical Freeze

Most CAD confusion is not about whether a STEP file exists. It is about version control, mating features, and whether the enclosure team is validating the same geometry as sourcing.

CAD handoff should happen before bracket sign-off

Mechanical freeze often slips because teams ask for CAD after the bracket concept is already approved. That leaves no room for connector keep-outs or cable exit corrections.

A lightweight handshake on revision, mating surfaces, and file type removes most of the churn before sourcing touches the BOM.

  • Lock file format and revision naming before sending the first request.
  • Include connector keep-out and cable bend assumptions in the same package.
  • Treat CAD approval as a gate before harness and enclosure release.

CAD request pack

The minimum package we ask teams to confirm before download.

ItemNeeded from teamWhy
Revision tagProject release tagAvoids mismatched bracket and motor geometry.
File typeSTEP, DXF, PDFLets each discipline open the same package.
Mounting assumptionBracket or rail contextCaptures fastener stack and keep-out zone.

Revision naming example

project=cartoner-axis-b
assembly=vxm17-bracket-kit
revision=R03
export=STEP+DXF+PDF
LZ

Lena Zhou

Motion Applications Engineer — STEPMOTECH

Lena works across sizing, thermal validation, and launch enablement for OEM stepper and integrated motion programs.

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