
Service provider for initial sample inspection, product release (PPF/PPAP) and quality assurance in the mobility industry
t.neubert GmbH
73669 Lichtenwald (Headquarters)New on Amplifa
About t.neubert
t.neubert GmbH is a family-owned company based in Lichtenwald near Stuttgart that has specialised in initial sample inspection and product release according to VDA Volume 2 (PPF) or AIAG (PPAP) since 1992. The company does not manufacture itself, but takes over quality assurance of components along the entire supply chain: initial sampling according to PPF/PPAP, counter-verification of initial samples, adhesive and welding audits, auditing of materials and suppliers, as well as series supplier releases. Inspected are body-in-white parts such as doors, longitudinal members and pillars, assembly and attachment parts such as screws, self-piercing rivets, airbags and fuel tanks, joining and adhesive technology connections as well as polymer components. Customers are manufacturers of mobility solutions, including Mercedes-Benz. According to its own statements, over 50 million vehicles are based on the inspections of the 75-employee company.
- Site
- Lichtenwald
- Processes
- Initial sample inspection / product release (PPF/PPAP according to VDA Volume 2 or AIAG), Initial sampling according to PPF/PPAP, quality assurance of (purchased) parts, proof of series, Counter-verification of initial samples (plausibility check of measured values and inspection, Adhesive and welding audits, Auditing of materials and suppliers / series supplier release, Material & strength testing, Consulting for suppliers & quality engineers, support of series production ramp-ups, centralisation, Inspection of body-in-white parts (doors, floor panels, side walls, longitudinal members, rear
- Materials
- Polymers (plastics), Initial sample inspection according to VDA Volume 2 / AIAG PPAP, Joining technology
- Certificates
- PPF/PPAP according to VDA Volume 2 / AIAG, Initial sample inspection according to VDA, Proof of series production capability
- Founded
- 1992
- Employees
- 75
- Industries
- Mobility industry, Automotive, Rail industry
- 01
Clarification of requirements and consulting
- 02
Auditing of materials and suppliers
- 03
Initial sample inspection according to PPF/PPAP (VDA Volume 2 / AIAG)
- 04
Counter-verification of measured values and inspection results
- 05
Series supplier release and support of series production ramp-up
Inspected materials and processes
Initial sample inspection according to VDA Volume 2 / AIAG PPAP
Standardised production process and product release procedure for series parts.
Polymers (plastics)
Inspection of polymer components such as covers, brackets and lines.
Joining technology
Inspection of adhesive, self-piercing rivet, clinch, weld and solder joints.
Locations
Lichtenwald
DEHeadquarters
- Materials
- Polymers (plastics)
Inspected components


Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Initial sample inspection / product release (PPF/PPAP according to VDA Volume 2 or AIAG)Testing | – | – | – | – | – |
| Initial sampling according to PPF/PPAP, quality assurance of (purchased) parts, proof of seriesTesting | – | – | – | – | – |
| Counter-verification of initial samples (plausibility check of measured values and inspectionTesting | – | – | – | – | – |
| Adhesive and welding auditsTesting | – | – | – | – | – |
| Auditing of materials and suppliers / series supplier releaseTesting | – | – | – | – | – |
| Material & strength testingTesting | – | – | – | – | – |
| Consulting for suppliers & quality engineers, support of series production ramp-ups, centralisationEngineering | – | – | – | – | – |
| Inspection of body-in-white parts (doors, floor panels, side walls, longitudinal members, rearTesting | – | – | – | – | – |
| Inspection of assembly and attachment parts (screws/nuts, self-piercing rivets, brackets/bearings,Testing | – | – | – | – | – |
| Inspection of joining technology connections (adhesive bonding, flow-hole-forming joints,Testing | – | – | – | – | – |
| Inspection of adhesive technology parts (windows, claddings, trim strips, warning signs, vehicleTesting | – | – | – | – | – |
| Inspection of polymer components (covers, brackets, lines)Testing | – | – | – | – | Polymers/plastics |
Additional services
Reference customers
Quality and standards
t.neubert conducts initial sample inspections according to VDA Volume 2 or AIAG PPAP, checks the plausibility of suppliers' measured values and inspection results, and audits suppliers as well as adhesive and welded joints. The management and the team appoint responsible persons for initial sampling, initial sample inspection and Material & Quality.
| Evidence | Lichtenwald |
|---|---|
| PPF/PPAP according to VDA Volume 2 / AIAG | |
| Initial sample inspection according to VDA | |
| Proof of series production capability |
Company history
- 1992
Founded by Thomas Neubert after working as a sworn expert for machine components; first assignments as a materials tester.
Specialisation in the mobility industry; today over 50 million vehicles are based on the inspections, including projects with Mercedes-Benz and Mercedes McLaren SLR.