Server chassis: check the screws on a large metal panel under a white panel light

The source colour image shows part of a metal server panel under a white panel light. Screws with toothed lock washers and smaller six-lobe screws are visible across the brushed, stained surface.

Check each expected screw position, not only the total count.

3D illustration of the inspection setup: Server-panel screw checkSource colour capture of a metal server panel under a white panel light: screws with toothed lock washers and smaller six-lobe screws. Cropped at the left edge to remove stamped letters; not retouched.Manufacturer test image
3D illustration of the arrangement
  • Light in sourceLS-BKL-0803 · white
  • EvidenceManufacturer test image
  • Imaging kitCamera and lens proposed; frame illustrative
  • AcceptanceValidate on representative parts

Explore it in 3D

Server-panel screw check

Camera and available lens CAD are published models. Lens and light envelopes use printed dimensions. The aluminium-profile gantry, its brackets and the work surface are generic illustrations, not catalog items. Light paths explain the arrangement and do not simulate optical performance. Representative part geometry is illustrative, not reconstructed inspection evidence. The specimen and lighting distance are representative, not dimensions or settings recovered from the source capture. The panel is drawn near the lens so the drawn viewing envelope passes through its 50 mm opening at the long working distance; this spacing is a proposal, not the source arrangement.

The challenge

A large chassis carries many screws of several types, and a missing or wrong screw is easy to miss by eye.

The metal panel is uneven in colour and finish, so the screws must be found against stains and scratches.

How it was solved

The source identifies the white 400 × 300 mm side-lit panel light with a 50 mm round centre opening for counting the screws on the surface of a large server.

Look through the opening with the proposed colour camera, find each screw at its expected position and flag empty or wrong positions. The published image is cropped at the left to remove stamped letters; the source does not name its camera, lens or software.

Why it works

  1. 1

    A large panel close to the camera axis lights the flat chassis evenly, so round screw heads and washers stand out by shape.

  2. 2

    Checking each expected position, rather than only the total, also catches a screw in the wrong hole; the source gives no detection rate.

Lighting manufacturer's catalog test image

Evidence you can inspect

Visible in the images

Larger screws with toothed lock washers and smaller six-lobe screws are visible across the stained metal surface.

What the source reports

The source captions the example as counting the screws on the surface of a large server and identifies the white side-lit panel light.

How to use this evidence

One cropped source capture of part of the panel. No panel size, screw count, cycle time or detection rate is supplied.

From image contrast to a production decision

What to validate on your part

  1. 01

    Map every position

    Record the expected screw type at each hole from the assembly drawing.

  2. 02

    Seed assembly faults

    Include missing screws, wrong screw types, missing washers and loose screws.

  3. 03

    Cover the whole panel

    Confirm the full chassis is evenly lit in the field, or plan several views.

From the demo to your test bench

Parts in this setup

Build this system

"Tested" marks the part the manufacturer used in its application test. "Our pick" is our proposed alternative or supporting part, not tested by the manufacturer in this set-up. Confirm colour, optics, controllers, power supplies, cables and mounting before ordering.

The set-up

Tested lightLS-BKL-0803, white
Source camera / lensNot specified in the source image caption; proposed parts below
Proposed lens point0.03x at 546 mm, printed lens pair
Derived proposed field281.52 × 235.52 mm = sensor dimensions / 0.03x; not a source test field
Luminous size (printed)400 × 300 mm
Panel envelope (printed)432 × 332 × 10.5 mm; 50 mm round centre opening
Source light positionNot supplied; the camera is shown looking through the centre opening
Mounting (proposed)Aluminium-profile gantry built to suit, not a catalog item: two posts outside the panel and the viewing field, a camera crossbeam above and two light crossbeams beside the panel

Mount the optics with intent

This panel light is too large for the catalog test stations' column clearance, so the 3D scene shows a generic aluminium-profile gantry instead: two posts outside the panel and the camera's field, a crossbeam the camera hangs from and two crossbeams that carry the panel. The gantry is an illustration of a frame to build or source to suit; it is not a catalog product and is not part of the quote. Profile sizes, joints, brackets and the work surface are schematic: confirm stiffness, camera and light fasteners and clearances before building.

Complete the electrical system

Select a controller against the exact light voltage, drive mode and power, then confirm camera data/power/I/O cables and a suitable PC. These are not silently added to the proposed optical kit.

Build this system

Start from this setup, adapt it to your part.

The configurator opens with this study's camera, lens, light and station picked. Swap any part, check fit and price, then buy or ask for a quote.

Camera and available lens CAD are published models. Lens and light envelopes use printed dimensions. The aluminium-profile gantry, its brackets and the work surface are generic illustrations, not catalog items. Light paths explain the arrangement and do not simulate optical performance. Representative part geometry is illustrative, not reconstructed inspection evidence. The specimen and lighting distance are representative, not dimensions or settings recovered from the source capture. The panel is drawn near the lens so the drawn viewing envelope passes through its 50 mm opening at the long working distance; this spacing is a proposal, not the source arrangement.