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Engine · 993-ENG-INTERCOOLER-BRACKET-TI-F0-0001

993 Turbo/GT2 intercooler bracket, titanium F0 concept

ConceptFunctional part

Independent open two-rail bracket concept to screen the value of an LPBF remanufacture in Ti-6Al-4V. PorscheFanatics and the PET establish the circuit part numbers; FVD publishes the envelope and mass of a reinforced aftermarket bracket, without usable interface geometry.

Concept CAD rendering for 993-eng-intercooler-bracket-ti-f0-0001.
Not a photograph, not a render of a manufactured part, not evidence of fit or function.
Concept CAD orthographic views for 993-eng-intercooler-bracket-ti-f0-0001.
Front, side and top views of the same concept CAD. Dimensions describe the model; fit on the car remains unverified.

The design

Vehicle
Porsche 993, 1995–1998
Variants
993 Turbo, 993 GT2
Porsche part numbers
99311011050, 99311011052
Category
Charge air support
Geometry basis
Mixed
Preferred process
CNC machining
Other candidate processes
Laser powder-bed fusion (metal printing), sheet_metal
Material
Ti-6Al-4V Grade 5 for screening; OEM material and FVD product unknown
Material standard
ASTM F2924 or equivalent supplier specification to be contracted

Known limits

  • Only the 255 x 80 x 23 mm envelope comes from the commercial record; the rails, holes and central boss are F0 assumptions.
  • The published 0.2 kg mass concerns the FVD product whose exact material and topology are unknown; it does not validate the concept.
  • The 400 N central case, the 220 mm span and +120 K are synthetic; no 993 load has been measured.
  • The beam calculation ignores curvature, stress concentrations, contact, preload, vibration, fatigue, LPBF defects and thermal stresses.
  • The 828 MPa comparison limit comes from a wrought TIMET reference and is not an LPBF allowable.
  • The CalculiX C3D10 screen converges to within 10% on p95 and deflection, but keeps synthetic supports, load and elastic card; the local maximum still rises with refinement.
  • The derived USD passes the minimum structural check only; it carries no qualified SimReady physical attribution.
  • The STEP proves only a computable BREP within the envelope; it must be neither manufactured for fitting nor installed.

Post-processing it would need

  • Support removal keeping access to the two open recesses
  • Heat treatment qualified for the machine, parameters and orientation
  • HIP to be decided after fatigue analysis and defect population
  • Machining of the end bores and central interface after clearances are defined
  • Deburring, radiusing and finishing of load paths
  • Passivation and galvanic isolation after dimensional inspection

What a supplier would have to provide

  • Traceable powder, machine, parameters, orientation, lot and powder recycling
  • Witness coupons in critical orientations with representative tensile and fatigue
  • Dimensional inspection of datums, center distances, bores and envelope
  • CT of nodes and bosses, then dye penetrant inspection after machining
  • Contracted roughness, porosity, alpha case and residual stresses
  • Instrumented static, vibration and thermal tests before any fitting

Titanium route

Alloy
Ti-6Al-4V Grade 5 candidate only
Heat treatment
Indicative EOS cycle to be confirmed for the selected machine and parameters; no recipe is frozen
Hot isostatic pressing
To be determined
  • CT of bosses and rail junctions
  • Dimensional inspection of machined interfaces
  • Dye penetrant inspection after machining
  • Roughness and porosity
  • Tensile and fatigue coupons representative of the orientation

Sources