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AI_QC_DESIGN: How AI Inspects Every LNT MADTECH Design Package Before It Reaches You
From now on, the design packages we deliver are inspected by AI_QC_DESIGN, an AI-powered quality control program developed in-house by the LNT MADTECH team. It reads, cross-checks and certifies each package, and every package that passes includes a QC certificate that shows exactly what was verified before the files reached you.
Why we brought AI into our quality process
A single bumper or roof rack design can contain dozens of plate parts spread across many DXF files, drawing sheets and parts lists. Every one of those documents must agree with the others. When they do not, the cost lands in your workshop: a missing part, a wrong thickness, a bend that cannot be marked.
Manual review is careful, but it is slow and it varies from one reviewer and one afternoon to the next. We wanted an inspection that is thorough on every package, applies the same rules every time, and leaves a record you can read. The goal is simple: raise the quality of every design package, and make that quality visible to you.
- Consistent: the same rules, applied the same way, to every package.
- Thorough: every detail across DXF files, drawings and parts lists is compared with the others, not just looked at one by one.
- Transparent: you receive a certificate that states what was checked, by which software version, and with what result.
Made in-house by the LNT MADTECH team
AI_QC_DESIGN was developed by the same people who design and release the files you download. It is not a generic tool adapted to our work. It was built around the way sheet-metal vehicle accessories are actually designed, cut, bent and welded.
That is a real advantage. The rules inside the software are our own workshop rules, written by the people who know where designs go wrong. When we learn something from the shop floor or from customer feedback, we can turn it into a new check and release an improved version. Every certificate records the software version that performed the inspection, so you always know which rules were applied.
We did not buy a quality tool. We built one around our own standards, and we keep improving it.
How AI_QC_DESIGN works
Each design package goes through the same five stages before it is released.
What AI_QC_DESIGN inspects
AI and engineers working together
AI_QC_DESIGN supports our engineers. It does not replace them. The software finds and proposes; a QC engineer reviews and decides.
What the software does
- Finds inconsistencies that are easy to miss by eye.
- Points to the exact location of each issue, with the drawing or DXF marked up for the reviewer.
- Proposes safe corrections, for example tidying the part layout on standard sheet sizes (1220 × 2440, 1250 × 2500 and 1500 × 3000 mm) with the edge clearance set from the plate thickness.
- States plainly when it cannot fix something itself.
What stays in our control
- A QC engineer confirms the corrections before they are applied.
- The software never changes the scale or outline of a part.
- Issues that need a design change go back to the designer, who corrects them at the source. The package is then inspected again.
- A package that does not pass does not receive a certificate.
What you receive: a QC certificate in every download
Every package that passes inspection includes a QC certificate: a four-page PDF written in English, with all dimensions in millimetres. Here is a real example, package FB5H26+, a front bumper for TOYOTA Hilux (2026 onward), inspected on 11 November 2026 with AI_QC_DESIGN v2.16.2.
The package keeps the standard folder structure, with the certificate added at the top level:
├─ QC_Certificate_FB5H26+.pdf
├─ Cut/ 12 DXF files in 6 modules
├─ Machining/ 10 drawing sheets (A3) and reference images
└─ Media/ 7 product images
How to read your QC certificate
Look for QC_Certificate_<design code>.pdf in the root of your download. You can read it in about five minutes.
- Check the result and identification. Page 1 shows the design code, certificate number, inspection date and software version. The banner reads PASSED with the number of items verified. Confirm that the vehicle, component and model year match your project.
- Compare the package overview with your folder. The overview counts DXF files, modules, drawing sheets, plate parts and images. If your extracted folder shows a different count, contact us before you start cutting.
- Use the plate list and weight estimate for planning. Each DXF file is listed with its module, material, thickness, part count and largest part size. The weight table gives two estimates per set. For FB5H26+ they are about 43.97 kg of finished parts and 71.13 kg of blank, using nominal densities of 7.85 g/cm³ for steel and 2.70 g/cm³ for aluminum. These are estimates to help your costing. They are not a quotation or a guaranteed weight, and they exclude kerf, sheet-edge allowance, standard sheet sizes, tubes, hardware and coatings.
- Match parts to drawing sheets. The part list gives each part number, its quantity per set and its drawing sheet. The total equals the number of plate parts found in the DXF files.
- Verify that your files are unchanged. The last page lists a SHA-256 fingerprint for each file. On Windows, open Command Prompt in the folder and run the command below. The result must match the certificate. If a file is edited after inspection, its value changes.
Stamped on the drawings too
When a package passes, the software also records its name and version in the QC field of the drawing title block, so the drawing itself shows which inspection it went through.
What the certificate does and does not cover
We want you to rely on the certificate with the right expectations. It confirms that the listed files passed the automated checks of the stated software version at the stated time. It does not replace your own fit-up check or production approval on your vehicle and with your own equipment. Files changed after the inspection date are not covered, which is why the fingerprint list is included.
The same package format is being rolled out step by step across the designs already available in our shop. If a package you downloaded earlier does not yet include a certificate, contact us and we will help.
Raising quality, one release at a time
AI_QC_DESIGN is part of how we build better products and a better service. We will keep improving the software, and we will keep telling you what it checks. If you have feedback on our files or on the certificate, send it to our technical team by email at Sale@lntmadtech.com or by WhatsApp at +84 88888 4135. We reply within 24 hours.
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