Flag sharp concave vertical corners of blind pockets (radius < 1mm) that a rotating end mill cannot produce; one finding per part with the corner-edge count.

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PRU-026Heuristic screen

Slot too narrow

Flag narrow slots where the width is below the minimum for standard tooling (1.5mm).

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PRU-034Heuristic screen

Low material utilization

Flag machined parts where solid volume / bbox volume < 15% -- wasteful.

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PRU-038Heuristic screen

Tall thin wall

Flag walls with height/width > 16:1 -- buckling risk.

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PRU-044Heuristic screen

Blind hole bottom too thin

Flag blind holes that leave too little material to the opposite face.

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PRU-045Heuristic screen

Thread too shallow

Flag blind holes with too little thread engagement depth.

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PRU-046Heuristic screen

Pocket floor too thin

Flag milled pocket floors with too little remaining stock below them.

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PRU-047Heuristic screen

Counterbore too deep

Flag stepped counterbores that remove too much local material thickness.

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PRU-053Heuristic screen

Countersink too deep

Flag countersinks that consume too much local thickness.

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PRU-058Heuristic screen

Several drilling directions

Flag parts whose holes are drilled along more than two distinct cardinal axes.

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PRU-059Heuristic screen

Many different hole diameters

Flag parts that use too many distinct hole diameters.

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PRU-140Declared input

Selected boring tool minimum bore

Selected actual pre-boring straight bore against declared bar/head/insert assembly minimum bore. Explicit geometry_state=pre_boring required; omitted/finished_part valid inputs remain unassessed. No starting bore inferred from final geometry.

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PRU-141Declared input

Selected boring assembly overhang

Full selected bore span from one entry plus declared holder clearance against selected assembly maximum overhang. Does not certify vibration or predict fixtures. Explicit operation-compatible precursor geometry_state required (pre_boring); omitted or finished_part is unassessed.

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PRU-142Declared input

Trochoidal cutter and selected slot width

Actual selected opposing planar wall gap against Sandvik's trochoidal-only 70% cutter/slot-width recommendation; no complete tool access or path claim.

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PRU-143Declared input

Blind tap full thread and lead clearance

Selected simple flat-bottom blind bore cylindrical depth against explicit full-thread depth plus selected tap physical lead and qualified bottom clearance in mm. No thread or engagement strength inferred. Explicit operation-compatible precursor geometry_state required (pre_tapping); omitted or finished_part is unassessed.

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PRU-144Declared input

Tempered glass waterjet compatibility

Explicit glass stock temper and waterjet operation compatibility; no inference from nominal CAD or generic material name.

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Drilling machines and tool reach

MAC-017Declared input

Bench drill

Bench drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Workholding, spindle runout and manual feed.

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MAC-018Declared input

Pillar drill

Pillar drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Column reach, table support and quill clearance.

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MAC-019Declared input

Box-column drill

Box-column drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Spindle/table alignment and workholding.

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MAC-020Declared input

Radial drill

Radial drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Arm reach, column swing and head clamping.

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MAC-021Declared input

Gang drilling machine

Gang drilling machine: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Station transfer and per-spindle fixtures.

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MAC-022Declared input

Multi-spindle drill

Multi-spindle drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Total simultaneous spindle load; calculation is per operation.

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MAC-023Declared input

Vertical CNC machining centre

Vertical CNC machining centre: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Tool changes, fixtures, collision and axis travel.

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MAC-024Declared input

Horizontal CNC machining centre

Horizontal CNC machining centre: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Pallet fixtures, reach and spindle approach.

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MAC-025Declared input

Five-axis machining centre

Five-axis machining centre: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Rotary-axis limits, singularities and full toolpath collision.

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MAC-026Declared input

Gantry / portal drilling machine

Gantry / portal drilling machine: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Bridge clearance, loading and long-axis accuracy.

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MAC-027Declared input

Single-lip gun-drilling machine

Single-lip gun-drilling machine: Capability screening from explicit operating inputs and machine limits. Speed/feed kinematics use the supplied cutter diameter and cutting data. Special deep-hole and annular cutting loads require supplier calculations. Not assessed: Pilot bush, coolant, guidance and chip evacuation.

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MAC-028Declared input

BTA / single-tube deep-hole drill

BTA / single-tube deep-hole drill: Capability screening from explicit operating inputs and machine limits. Speed/feed kinematics use the supplied cutter diameter and cutting data. Special deep-hole and annular cutting loads require supplier calculations. Not assessed: Pressure head, chip transport and deep-hole support.

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MAC-029Declared input

Ejector / double-tube drill

Ejector / double-tube drill: Capability screening from explicit operating inputs and machine limits. Speed/feed kinematics use the supplied cutter diameter and cutting data. Special deep-hole and annular cutting loads require supplier calculations. Not assessed: Double-tube coolant, chip suction and bore guidance.

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MAC-030Declared input

Portable magnetic-base drill

Portable magnetic-base drill: Capability screening from explicit operating inputs and machine limits. Speed/feed kinematics use the supplied cutter diameter and cutting data. Special deep-hole and annular cutting loads require supplier calculations. Not assessed: Actual magnetic holding, fall retention and annular cutter loads.

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MAC-031Declared input

Robot drilling cell

Robot drilling cell: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Robot reach/stiffness, position-dependent load and safeguards.

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MAC-032Declared input

Micro / precision drill

Micro / precision drill: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Tool runout, breakage and thermal stability.

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MAC-033Declared input

Lathe axial / live-tool drilling

Lathe axial / live-tool drilling: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Chuck holding, turret access and workpiece/tool rotation.

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MAC-034Declared input

Other / custom drilling machine

Other / custom drilling machine: Capability screening from explicit operating inputs and machine limits. One full-hole drilling operation with supplied cutting data; net cutting power at the chosen speed. Annular cutting, reaming and specialised deep-hole cutting loads are not modeled. Not assessed: Supplier-specific process, tooling and operating envelope.

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Punching machines

MAC-001Declared input

Crank / eccentric press

Crank / eccentric press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Force/stroke curve and flywheel recovery.

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MAC-002Declared input

Mechanical servo press

Mechanical servo press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Drive torque, energy recovery and programmed slide curve.

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MAC-003Declared input

Hydraulic stamping press

Hydraulic stamping press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Pressure-flow duty cycle and oil temperature.

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MAC-004Declared input

Pneumatic stamping press

Pneumatic stamping press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Air pressure, recovery and duty cycle.

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MAC-005Declared input

Manual arbor / lever punch

Manual arbor / lever punch: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Operator effort, leverage and holding.

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MAC-006Declared input

CNC turret punch

CNC turret punch: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Turret indexing, clamp dead zones and station compatibility.

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MAC-007Declared input

CNC single-head punch

CNC single-head punch: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Tool magazine, repositioning and clamp dead zones.

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MAC-008Declared input

Combined punch / laser machine

Combined punch / laser machine: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Laser process, nesting, thermal interaction and transfer.

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MAC-009Declared input

Progressive-die press

Progressive-die press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Strip progression, pilots, simultaneous stations and scrap bridges.

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MAC-010Declared input

Transfer press

Transfer press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Transfer path, timing and off-centre loads.

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MAC-011Declared input

Fineblanking press

Fineblanking press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Blank-holder, counterpressure and V-ring forces; cutting estimate is only one component.

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MAC-012Declared input

Perforating / cluster punch

Perforating / cluster punch: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Simultaneous punch count, distortion and stripping force.

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MAC-013Declared input

Nibbling machine

Nibbling machine: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Overlap pitch, tool wear, scallop height and minimum contour radius.

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MAC-014Declared input

Ironworker / profile punch

Ironworker / profile punch: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Profile access, support, throat depth and single-purpose scope.

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MAC-015Declared input

Knuckle-joint press

Knuckle-joint press: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Bottom-dead-centre load curve and linkage limits.

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MAC-016Declared input

Other / custom punching machine

Other / custom punching machine: Capability screening from explicit operating inputs and machine limits. Flat punch, simultaneous cutting perimeter, cutting force only. Additional stripping/blank-holder forces and load curves need separate evidence. Not assessed: Supplier-specific process, tooling and operating envelope.

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Laser / plasma / flame cutting / punching

PRU-069Standard scope

Laser cutting: scope of checks

ISO 9013 laser thickness scope

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PRU-072Standard scope

Plasma cutting: scope of checks

ISO 9013 plasma thickness scope

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PRU-073Standard scope

Flame cutting: scope of checks

ISO 9013 flame thickness scope

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PRU-080Heuristic screen

Cutout too small

Holes, slots and cutouts smaller than the cutting-process minimum (laser 0.7-1.5 x t by thickness band, floor 0.5 mm; plasma/flame 1.0 x t). Sources: laserhub.com, GL-Laser, 247TailorSteel, Xometry, Protolabs; Practical Machinist for plasma. Replaces PRU-019.

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PRU-081Heuristic screen

Web between cutouts too narrow

Material web between two cutouts below max(0.7 x t, 1.0 mm) for laser (1.0 x t plasma/flame): WARNING below 90 % of the limit, INFO from 90 % up to the limit. Sources: GL-Laser, laserhub.com, teprosa.de, sheetmetal.me. Replaces PRU-048.

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PRU-082Heuristic screen

Cutout too close to edge

Non-circular cutout closer than max(1.0 x t, 1.0 mm) to a free outer cut edge (bend tangent lines excluded). Sources: sheetmetal.me, teprosa.de, Protolabs. Circular holes stay with PRU-030. WARNING below 0.5 x the limit, INFO up to it (published range 0.5-1.0 x t).

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PRU-083Heuristic screen

Part size outside cutting format

Flat-stock footprint below the smallest quoted laser part size (15 mm / 100 mm2; t x t above 10 mm) or beyond the sheet format (INFO above 3000 x 1500 mm, WARNING above 3980 x 1980 mm). Sources: eMDe Blechfabrik, GL-Laser, laserhub.com.

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PRU-084Heuristic screen

Thickness beyond cutting capability

Explicit laser_cutting only: INFO above the clean-cut band (steel 10, stainless 6, aluminium 4 mm; DIN EN ISO 9013-1 per GL-Laser/laserhub.com), WARNING above a typical 6 kW fibre-laser limit (steel 25, stainless 15, aluminium 12 mm).

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PRU-085Heuristic screen

Corner radius below kerf

Inside corner radius smaller than half the laser kerf (0.075 mm); sharp (r = 0) corners are not flagged because the laser rounds them automatically. Source: GL-Laser; teprosa.de for kerf.

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PRU-086Heuristic screen

Micro segments in cut contour

Cut-contour edges shorter than 0.05 mm (import slivers / micro steps). Replaces PRU-070, now limited to the sheet's cut contour.

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PRU-087Heuristic screen

Loose pieces inside cutouts

Loose coplanar plate lying completely inside a cutout of another plate (letter counters, plugs): falls out or tips into the head unless a micro-joint remains. Sources: eMDe Blechfabrik, GL-Laser, Wattsan.

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PRU-088Heuristic screen

Material unsuited to cutting process

Material metadata vs process: copper/brass (reflective) and galvanised stock on laser, aluminium note, flame cutting only for carbon steel. Not geometry based. Sources: Laser Focus World, Xometry, Piranha Fab.

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