Parts and design

Cuts that separate local bend regions: placement, dimensional references, CAD rules and fabrication acceptance.

Non-through holes: usable bore and thread depth, drill-point geometry, remaining wall, chip evacuation and inspection requirements.

Calculating limit clearance, reading hole/shaft tolerance classes and preserving functional clearance through manufacture and service.

Process-specific cutouts that provide clearance at sheet-metal bend intersections or machined internal corners.

Cylindrical recesses with seating shoulders: fastener clearance, depth references, remaining material and machining acceptance.

Specify conical fastener seats by angle, diameter, face and remaining material, with fabrication and inspection requirements.

Intersecting-hole geometry, interrupted machining, internal edge acceptance and inspection for cross-drilled parts.

Designing machined cavities around tool reach, corner access, chip removal and the required finished geometry.

Local sheet-metal forms: geometry, process distinctions, tooling limits and functional acceptance.

Folded sheet-metal edges: hem styles, gap and return dimensions, forming constraints and finished-part acceptance.

Accessible recesses and cavities: tool access, corner and floor geometry, depth, remaining walls and functional inspection.

Specifying local flange offsets for overlapping parts, with defined surfaces, runouts, tooling and assembly tolerances.

Shaft and hub slots for keyed connections: dimensions, fits, manufacturing access and separate strength checks.

Specify knurl pattern, pitch basis, process and finished envelope without confusing tool pitch with surface finish.

Formed sheet-metal ventilation features: geometry, forming access, airflow area and boundaries of performance claims.

Specifying interference joints through size limits, material response, assembly control and demonstrated retention.

Finished-hole requirements, reamer selection, pre-hole allowance and inspection boundaries.

Shaft/hub spline geometry, fit, engagement and inspection, with bounded standard and catalogue references.

Internal thread requirements: callouts, cutting versus forming, pilot geometry, usable depth and inspection.

Evaluating wall thickness with unsupported span, material, manufacturing process and final functional requirements.

Holes that pass through the intended material: function, extent, breakthrough, edge condition and inspection.

Fits permitting either clearance or interference: limit calculations, assembly consequences and inspection requirements.

Recessed or overhung features: machining access, relief-groove callouts, molding release and inspection boundaries.

Defining joint edges, root geometry, cleanliness and fit-up without substituting a preparation sketch for a welding procedure.

Manufacturing model packages, extension compatibility, tessellation and reliable handoff of 3MF geometry and slicer projects.

DWG handoffs: file version, units, layouts, references and custom-object compatibility.

DXF exchange: format versions, units, entity geometry and a bounded manufacturing handoff.

Exchanging IGES geometry with explicit translator settings, units, body expectations and post-import checks.

JT exchange: tessellation, precise geometry, PMI, assembly dependencies and version-specific handoff checks.

Parasolid model exchange: text/binary variants, target versions, body and assembly content, and receiving checks.

Engineering drawing exchange in PDF: revision authority, content quality, scale, measurement and CAD handoff.

Exchanging linked product, inspection-plan and measurement-result information with explicit QIF versions and semantic checks.

AP203 edition and translator distinctions, configuration-controlled model exchange, geometry validation and practical handoff checks.

AP214 exchange: legacy specification status, translator choices, geometry, color and post-import acceptance.

Exchanging product geometry, assemblies and manufacturing information with explicit edition and translator boundaries.

Using triangle meshes with explicit scale, tessellation, topology and manufacturing checks.

Angularity tolerance zones, datum-dependent interpretation and inspection planning, with bounded geometric examples.

Identifying parallel pipe threads and specifying the separate sealing interface needed for a complete connection.

Identifying ISO 7 sealing pipe threads, including tapered R/Rc and parallel Rp forms, without confusing fit with qualified joint performance.

Interpreting datum-related rotational variation at individual circular elements and distinguishing it from roundness and total runout.

Datum-independent roundness, tolerance-zone interpretation and the effects of association, sampling and filtering on inspection.

Interpreting the full cylindrical form zone and planning measurements that reveal variation around and along a surface.

Establishing repeatable geometric references from specified part features, precedence and constraint rules.

Interpreting planar flatness requirements and evaluating them without confusing datum orientation, sampled form, or restraint.

Metric fastening-thread designations, pitch and tolerance classes, coating state and dimensional versus joint-performance requirements.

Understanding least-material size, geometric tolerance growth and minimum-wall intent without confusing feature and datum modifiers.

Linking feature size and geometric tolerance for assembly, with explicit envelope, virtual-condition and datum boundaries.

NPT identification, taper and gauging, distinctions from NPTF and BSPT, and product-specific sealing and assembly requirements.

Datum-based orientation tolerances for surfaces, axes, and median features, with practical interpretation and inspection limits.

Interpreting datum-related 90-degree orientation zones and measuring the required surface or derived feature.

Interpreting location zones, datum constraints and material modifiers without reducing every position requirement to a two-coordinate formula.

Interpreting sectional profile zones, datum constraints, tolerance distribution, and measurement coverage without substituting whole-surface or best-fit results.

Theoretical surface definition, zone distribution, datum constraints and inspection choices for surface-profile tolerances.

Distinguishing surface-line and derived-median-line straightness, with explicit extent, sampling and evaluation choices.

Arithmetic mean profile roughness, measurement scale and units, standards generations, and comparisons with Rq, Rz and Sa.

Interpreting profile peak-to-valley roughness with explicit ISO or legacy definitions, filtering and measurement conditions.

Whole-feature runout relative to a datum axis, including radial and face applications, inspection setup, and limits of sectional measurements.

Unified thread series, TPI and A/B classes, with coating, gauging and joint-performance boundaries.