MV-CS050-10GM(NPOE)View part & specifications →Browse camera options →Accueil / Case studies / Narrow-gap appearance between plier jaws
Application study · Tool manufacturingPlier-jaw gaps: keep a narrow light path visible between dark jaws
The supplied blue-backlight image shows a dark plier-tip outline with a faint narrow light line between the jaws. It is a useful starting point for a gap trial, while the source provides no gap value or measurement accuracy.
Prove the narrow light path before claiming a gap measurement.
- Light in sourceLS-2FS100100 · blue
- EvidenceReal application-lab image
- Imaging kitCamera, lens and fixture proposed
- AcceptanceValidate on representative parts
Test stationIncluded light holdersCaméraObjectifÉclairagePartChamp de vision
Drag to rotate · scroll to zoomWalk through this setup 5 guided stops
From component to inspection
Understand each choice.
Choose a stop to frame the part in 3D and see why it belongs in this setup. The component notes and links remain available if 3D cannot load.
Proposed component
MV-CS050-10GM(NPOE)
5 MP monochrome global-shutter camera proposed for a contrast trial. Confirm field, sampling, exposure and algorithm on the actual application.
Proposed component
LS-KF3528M-ML
Proposed 35 mm C-mount macro lens at its printed 0.25x magnification / 150 mm working-distance pair. The proposed 2448 × 2048 sensor with 3.45 µm pixels gives a derived 33.7824 × 28.2624 mm field; confirm focus, coverage and residual distortion on the real sample.
Tested component
LS-2FS100100
Blue LS-2FS100100 named in the nipper-plier gap example. Printed 100 × 100 mm emitting area and 132 × 132 × 10.5 mm housing.
Proposed component
LS-BT-XZ-G-6-6045
600 mm column, 600 × 450 mm breadboard, XZ adjustment, glass tray and two lighting holders as listed. Proposed bench fixture; confirm loads, travel and camera/lens clamps.
Inspect the real capture
Follow the contrast to the part.
Prove the narrow light path before claiming a gap measurement.
Camera and available lens CAD are published models. Lens and light envelopes use printed dimensions. The linked station uses its published base size and column height; carriage, brackets, fittings, parts and spacing are illustrative. Confirm load, travel, fasteners and clearances before ordering. Light paths explain the arrangement and do not simulate optical performance. Representative part geometry is illustrative, not reconstructed inspection evidence. The specimen and lighting angle are representative, not dimensions or settings recovered from the source capture.
From the demo to your test benchCaméraMV-CS050-10GM(NPOE)View part & specifications →Browse camera options → Imaging lens
LS-KF3528M-MLView part & specifications →Browse imaging lens options → Inspection light
LS-2FS100100View part & specifications →Browse inspection light options → Test station & mounts
LS-BT-XZ-G-6-6045View part & specifications →Browse test station & mounts options →
Build around the parts you can buy.
Explore each component, check its specifications and compare alternatives. The proposed quote includes the linked test station; its catalog listing includes two lighting holders.
MV-CS050-10GM(NPOE)View part & specifications →Browse camera options →LS-KF3528M-MLView part & specifications →Browse imaging lens options →LS-2FS100100View part & specifications →Browse inspection light options →LS-BT-XZ-G-6-6045View part & specifications →Browse test station & mounts options →Mount the optics with intent
The station is an optical test bench, with its two lighting holders included in the catalog listing. The 3D column and base follow the published height and footprint. Carriages, clamps and part supports are schematic: confirm camera screw pattern, lens support, light fasteners, permissible load and actual travel before ordering.
Configure the mounting station →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.
Lighting application-lab catalog capture
Evidence you can inspect
Visible in the images
The tool-tip outline and a faint narrow gap-like light line are visible.
What the source reports
The catalog labels nipper-plier gap inspection with a blue LS-2FS100100.
How to use this evidence
No source gap dimension, jaw-load condition, camera scale, calibrated result or tool-function test is reported.
What the camera saw
Cropped from the source test sheet; original test annotations are retained. Captures are not generated or enhanced. Drag the comparison slider or use the image buttons.
The challenge
A near-closed gap may occupy very few pixels even when the outside tool outline is sharp.
Burrs, jaw angle and acceptable serrations can interrupt the light path or change which edge is found.
How it was solved
The source identifies a blue side backlight for inspecting a plier gap. The capture shows contrast, without supplying a numerical gap result.
Use the proposed narrower macro field on a representative jaw region. Determine the smallest required opening and calibrate the selected edge method before turning it into a gauge.
Why it works
- 1
Transmitted light emphasizes the outline and any open path between the jaws rather than relying on the jaw finish.
- 2
A visible line cannot establish a specific clearance, contact pressure or cutting performance.
From image contrast to a production decision
What to validate on your part
A useful sample image is the starting point. These are the checks that turn the concept into a defensible inspection.
- 01
Define the jaw condition
Specify load, closure state and the actual region where clearance matters.
- 02
Challenge the smallest gap
Use known gaps and accepted burr or serration variation near the reject limit.
- 03
Check the gauge process
Validate calibration, repeatable placement and the edge algorithm independently of tool-function tests.
Explore your inspection requirementsNo limit from motion
How many pixels cover your feature?
Compare feature coverage, camera pixel requirements and exposure using your own planning inputs. These are calculated planning values, not inspection results or an accuracy specification.
Editable planning scenario. Adjust these example inputs for your application; they are separate from the source test and 3D setup. Motion allowance and target coverage are starting points to validate, not acceptance limits. Pixel count starts from the proposed camera's catalog resolution.
Enter finite numbers in every field. Field width, feature width, target coverage, exposure and allowed motion must be greater than zero; horizontal pixel count must be a positive whole number; material speed may be zero. Use values within the supported numeric range if a calculation cannot be represented.
Object sampling mm/px
Pixels across feature px
Horizontal pixels for target px
Motion during exposure px
Exposure ceiling from motion µs
Formulas and assumptions
The field, feature, speed and exposure start with neutral example values. They are not taken from the source test or the 3D illustration. Allowed motion starts at an editable 0.5-pixel example; it is not a recommended acceptance limit. Target coverage starts at an editable 5-pixel example; it is not a recommended detection or measurement threshold. The horizontal pixel count starts from the catalog Resolution row for MV-CS050-10GM(NPOE). Use the effective width after cropping, binning or decimation if those modes are enabled.
- Object sampling (mm/px) = field width (mm) / horizontal pixels.
- Pixels across feature = feature width (mm) / object sampling (mm/px).
- Horizontal pixels for target = field width (mm) × target pixels across feature / feature width (mm), rounded up to a whole pixel.
- Motion (px) = speed (mm/s) × exposure (µs) / 1,000,000 / object sampling (mm/px).
- Exposure for allowed motion (µs) = allowed motion (px) × object sampling (mm/px) / speed (mm/s) × 1,000,000.
The exposure result is the maximum duration from this motion allowance alone. At zero speed, motion sets no exposure limit; the camera, lighting, saturation and other constraints still apply. A shorter exposure does not itself guarantee a reliable inspection.
Field width and feature width refer to the same object plane. The motion calculation assumes uniform linear motion parallel to the field-width direction and a single exposure. It does not model perspective, vibration, rolling-shutter distortion, diffraction, defocus or optical distortion. A strobe may change the effective exposure.
The target result is a horizontal sampling requirement, not a camera recommendation or a change to the selected camera. It uses the effective image width after cropping, binning or decimation and does not determine the vertical resolution or sensor size. Pixel coverage alone does not establish detectability or measurement accuracy. Validate contrast, lens performance, working distance, illumination, calibration, camera exposure limits and the inspection algorithm on representative parts. Changing field width does not change the 3D model or certify that the proposed lens can achieve that field.
The set-up and the parts
| Tested light | LS-2FS100100, blue |
|---|---|
| Source camera / lens | Not specified in the source image caption; proposed parts below |
| Proposed lens point | 0.25x at 150 mm, printed lens pair |
| Derived proposed field | 33.7824 × 28.2624 mm = sensor dimensions / 0.25x; not a source test field |
| Emitting area (printed) | 100 × 100 mm |
| Panel housing (printed) | 132 × 132 × 10.5 mm |
| Source gap value | Not supplied |
| Mounting (proposed) | LS-BT-XZ-G-6-6045; 600 mm column, 600 × 450 mm base, glass tray and two included lighting holders |
ÉclairageTestedLS-2FS100100
Blue LS-2FS100100 named in the nipper-plier gap example. Printed 100 × 100 mm emitting area and 132 × 132 × 10.5 mm housing.
$109.00In proposed setupCaméraOur pickMV-CS050-10GM(NPOE)
5 MP monochrome global-shutter camera proposed for a contrast trial. Confirm field, sampling, exposure and algorithm on the actual application.
$819.00In proposed setupObjectifOur pickLS-KF3528M-ML
Proposed 35 mm C-mount macro lens at its printed 0.25x magnification / 150 mm working-distance pair. The proposed 2448 × 2048 sensor with 3.45 µm pixels gives a derived 33.7824 × 28.2624 mm field; confirm focus, coverage and residual distortion on the real sample.
$339.00In proposed setupCamera test stationOur pickLS-BT-XZ-G-6-6045
600 mm column, 600 × 450 mm breadboard, XZ adjustment, glass tray and two lighting holders as listed. Proposed bench fixture; confirm loads, travel and camera/lens clamps.
$359.00In proposed setup"Tested" identifies the part named in the source. "Our pick" is a proposed alternative or supporting part. The quote includes only cards marked "In proposed setup", with the quantities shown; other test arrangements are separate. Confirm colour, optics, controllers, power supplies, cables and mounting before ordering.
About this case study: the photos and camera images come from the application laboratory of the maker of the lighting and optics we sell, imaged on the parts shown; your results depend on your part, camera and set-up. This is an application-lab study, not a LumaSpec customer deployment. Source figures are reported results; proposed components require a fresh trial. The 3D scene illustrates the arrangement and does not simulate imaging performance.
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Start with your inspection requirement
Make the next trial specific.
Tell us the part size, smallest defect or tolerance, available working distance, material and line speed. Include what a good part and a reject look like.
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