Practical examples from the industrial use

1) Select field of application:
Machine Building / Metal-working Industry (Maschinenbau / Metallverarbeitung)

2) Select language:

Data
sheet:

APP N° 786

Spray jet control
A pulsed, weakly dosed spray jet should be controlled.

Data
sheet:

APP N° 785

Width control of metal sheets
The width of very fast moved metal sheets should be measured.

Data
sheet:

APP N° 784

Wire detection and counting during the braiding process
Wires should be detected and counted during the braiding process.

Data
sheet:

APP N° 777

Defect recognition on saw blade discs
Defects on saw blade discs should be detected.

Data
sheet:

APP N° 756

Param.:

Detection of a rising and falling edge of a metal stripe on metal sheet
A rising as well as a falling edge of a metal stripe on metal sheet should be detected.

Data
sheet:

APP N° 755

Param.:

Inside diameter differentiation of threaded nuts
M8 and M10 screw-nuts should be inline differentiated by inner diameter measurement.

Data
sheet:

APP N° 754

Param.:

Inner diameter control of screw-nuts
The inner diameter of screw-nuts should be measured.

Data
sheet:

APP N° 753

Wire counting on wire winding machines
The number of wires on a wire winding machine should be counted.

Data
sheet:

APP N° 752

Detection of the presence of oil on rivet screws
The presence of oil on rivet screws should be detected.

APP N° 751

Oil film detection on metal pins
An oil film on metal pins should be detected.

Data
sheet:

APP N° 742

Param.:

Color mark detection on saw blades
Color marks should be detected on saw blades.

Data
sheet:

APP N° 741

Param.:

Color mark detection on metal screws
The color mark on metal screws should be detected.

Data
sheet:

APP N° 736

Param.:

INI:

Differentiation of silver-colored screws from black coated screws
Silver-colored screws should be differentiated from black coated screws.

Data
sheet:

APP N° 733

Inner diameter measurement of metal components
The inner diameter of metal components should be measured.

Data
sheet:

APP N° 726

Metal spring height control
The height of metal springs should be measured.

Data
sheet:

APP N° 725

Thickness measurement of flat gaskets
The thickness of flat gaskets should be measured.

Data
sheet:

APP N° 719

Param.:

Surface control of stainless-steel sheets
The surface of stainless-steel sheets should be controlled.

Data
sheet:

APP N° 717

Param.:

Counting folds on aluminum tubes
Folds on aluminum tubes should be counted. It must be considered that the distance between the folds is not constant.

Data
sheet:

APP N° 704

Detection of a laser-engraved mark on a stainless-steel rod
Laser-engraved marks on stainless steel rods should be detected.

Data
sheet:

APP N° 701

Laser welding process control
During the laser welding the color as well as the intensity of the emitted light, caused by the laser welding, should be controlled.

Data
sheet:

APP N° 686

Param.:

INI:

Color separation of metal parts
Metal parts should be separated depending on the color.

Data
sheet:

APP N° 683

INI:

Detection of overlapped metal plates on metal fans and further whether the metal plates are welded
The presence of welding lines should be controlled on metal fans. Furthermore, it should be controlled, whether the overlapped metal plates are welded or not welded.

Data
sheet:

APP N° 680

Differentiation of black finished metal rod and metal rod
Black bronzed metal rods should be distinguished from metal rods.

Data
sheet:

APP N° 679

Lacquer quality control of shiny interior trims
The lacquer quality of shiny interior trims should be controlled.

Data
sheet:

APP N° 664

Gear differentiation
Chemically non-treated gears should be distinguished from blackened gears.

Data
sheet:

APP N° 650

Param.:

INI:

Correct positioning control of welded flat metal tubes
The position of a welding line on a flat tube should be controlled. At this, the welding line should be underneath.

Data
sheet:

APP N° 632

Param.:

INI:

Color differentiation of anodized aluminum tubes
Anodized aluminum tubes should be color differentiated.

Data
sheet:

APP N° 631

Param.:

INI:

Color differentiation of anodized aluminum profiles
Anodized aluminum profiles should be color differentiated.

Data
sheet:

APP N° 630

Color differentiation of anodized aluminum components
Anodized aluminum components should be color differentiated.

Data
sheet:

APP N° 620

Color control of stainless steel tubes
Blue painted stainless steel tubes should be differentiated from uncolored tubes.

Data
sheet:

APP N° 616

Color differentiation of metal springs
Metal springs should be color differentiated at a distance of 100mm.

Data
sheet:

APP N° 575

Param.:

INI:

Color differentiation of metal rings
Metal rings should be color differentiated.

Data
sheet:

APP N° 573

Param.:

INI:

Overlap joint detection on perforated metal tubes
The overlapping area on perforated metal tubes should be detected.

Data
sheet:

APP N° 566

Param.:

Inner tube welding line detection
The welding line of an inner tube should be detected during rotation.

Data
sheet:

APP N° 548

Param.:

INI:

Ball joint coating control
The joint ball surface should be controlled with a view to the coating. At this, uncoated joint balls should be differentiated from coated and blue coated joint balls.

Data
sheet:

APP N° 540

Param.:

Haze control of stainless steel plates
The haze of stainless steel surfaces should be controlled.

Data
sheet:

APP N° 539

Presence control of liquid fluorescent glue in a hole
The presence of fluorescent liquid glue in a hole should be controlled.

Data
sheet:

APP N° 538

Param.:

INI:

Control of the contact surface of gear wheels
The contact surface of gear wheels should be controlled.

Data
sheet:

APP N° 534

Param.:

Differentiation of metal chain links
Metal chain links should be differentiated by thickness. The thickness of the one size is 2.0mm, whereas the other size has a thickness of 2.3mm.

Data
sheet:

APP N° 533

Param.:

Detection of chatter marks on metal bands
Defects inside bimetallic bands will be marked with chatter marks. These chatter marks should be proper detected during the further processing and the damaged part of the metal stripes should be removed from the finishing later on

Data
sheet:

APP N° 502

Param.:

INI:

Presence control of a semitransparent plastic film on a metal sheet
A semitransparent light blue plastic film should be detected on a metal sheet.

Data
sheet:

APP N° 498

Param.:

INI:

Color control of metal rings
The quality of metal rings should be controlled with a view to the color.

Data
sheet:

APP N° 496

Param.:

INI:

Oil presence control on metal grids
The presence of oil should be detected on metal grids.

Data
sheet:

APP N° 482

Param.:

INI:

Color measurement of lacquered metal sheets
The color of painted metal sheets should be measured (L*a*b* values).

Data
sheet:

APP N° 480

Param.:

INI:

Direction control of metal pins
The direction of metal pins should be controlled.

Data
sheet:

APP N° 475

Param.:

INI:

Differentiation of single and double inside coated aluminum tubes
Single inside coated aluminum tubes should be differentiated from double inside coated aluminum tubes.

Data
sheet:

APP N° 474

Param.:

INI:

Detection of fluorescent oil on flat washers
The presence of oil on different flat washers should be controlled. It has to be taken into account, that the oil is fluorescent, if UV light is used.

Data
sheet:

APP N° 473

Param.:

Detection of fluorescent lubricant on metal pins
Fluorescent lubricant should be detected on metal pins.

Data
sheet:

APP N° 466

Param.:

INI:

Presence control of a notch in a lobe of a metal stamping part
The presence of a notch in a lobe of a metal stamping part should be detected. Furthermore a semicircular notch must be differentiated from an elongated notch.

Data
sheet:

APP N° 464

Param.:

Spray jet amount control in the Ɛx range
The presence as well as the spray amount of a spray jet in the Ex range should be controlled. It has to be taken into account, that a system based on the transmitted light mode cannot be used for this application.

Data
sheet:

APP N° 463

Param.:

INI:

Oil presence control in metal screw nuts and screws
The presence and amount of oil in a screw nut as well as in a screw should be detected directly before border crimping.

Data
sheet:

APP N° 456

Glue detection on the thread of a screw
The presence and amount of fluorescent (fluorescent under the influence of UV light) glue on the thread of a screw should be detected.

Data
sheet:

APP N° 452

Param.:

Double ring control
The presence of one or two rings should be controlled.

Data
sheet:

APP N° 448

Param.:

INI:

Detection of the welding line in the core retainer
The position of the welding line should be detected in inner pipes.

Data
sheet:

APP N° 446

Param.:

Spray jet control with reflected light
The spray jet should be controlled with reflected infrared light and in an Ɛx zone environment.

Data
sheet:

APP N° 438

Param.:

Diameter control of metal wires
The diameter of metal wires should be controlled and the wires should be differentiated.

Data
sheet:

APP N° 428

Param.:

INI:

Differentiation of zinc plated steel parts and raw steel parts
Zinc plated steel turned parts should be differentiated from raw steel turned parts.

Data
sheet:

APP N° 425

Presence control of an oil film on an aluminum surface
The presence of an oil film in aluminum housing should be controlled.

Data
sheet:

APP N° 424

Oil drop presence control on a steel surface
The presence of an oil drop on a steel surface should be controlled.

Data
sheet:

APP N° 423

Double membrane control on breaker plates
The presence of one or two diaphragms in a blow-out disk should be differentiated. At this, different types of burst disks are available (copper and aluminum) with different diaphragms (aluminum membrane or steel membrane).

Data
sheet:

APP N° 415

Direction control of a metal rod
The direction of a metal rot should be controlled. At this, the metal rod is flat press formed at the one side and at the other end round in shape.

Data
sheet:

APP N° 405

Presence control of an inside thread and a hole at a gear wheel
The presence of an inside thread and a hole at a gear wheel should be controlled. Furthermore it should be controlled, whether the hole is blocked from e.g. a drill bit.

Data
sheet:

APP N° 404

Height measurement of a metal pin and of the teeth as well as the depth of a blind hole on a metal gear wheel
The height of a metal pin as well as the depth of a blind hole on a gear wheel should be controlled. Furthermore, the height of the teeth on the gear wheel should be measured.

Data
sheet:

APP N° 403

Gap size measurement on an aluminum casting of a turbo charger
The gap size on the aluminum housing of a turbo charger should be measured.

Data
sheet:

APP N° 400

Thickness measurement of a bimetal band
The thickness of a bimetal band should be measured contactless during the movement.

Data
sheet:

APP N° 396

Fluorescence control of water based cleaning systems
The amount of oil in an oil-water based emulsion should be controlled. Over time cleaning water used for water based cleaning machines is changing into an oil-water based emulsion with a steady increase of the content of oil.

Data
sheet:

APP N° 395

Turbidity control of water based cleaning systems
The turbidity of cleaning water used for cleaning systems should be controlled. Over time, the cleaning water becomes more and more an oil-in-water emulsion mixed with dirt, grease and small metal swarf.

Data
sheet:

APP N° 386

Vertical height control between a turned metal part and a press-bent part
The vertical height between a shiny turned metal part and a press-bent part should be measured immediately before welding.

Data
sheet:

APP N° 385

Distance control of black rubber buffers
The distance of black rubber buffers should be controlled.

Data
sheet:

APP N° 372

Quality control of internal gears
The width of the teeth as well as the gap between the teeth of internal gears should be controlled.

Data
sheet:

APP N° 363

Length control of a metal rod
The length of a steel rod should be controlled. At this, the metal rod will be moved with around 2m/s during the measurement.

Data
sheet:

APP N° 359

Screw locking varnish presence control on female threads
The presence of a thread lock fluid should be controlled on inside threads.

Data
sheet:

APP N° 358

Differentiation of grinded and raw metal pins
Grinded and raw metal pins should be differentiated.

Data
sheet:

APP N° 356

Differentiation of metal rods
Metal rods with an even finish should be differentiated from metal rods with a slotted end. Furthermore a metal rod with a black slotted end should be differentiated from a steel colored end.

Data
sheet:

APP N° 352

Defect detection on metal bands
Dark as well as bright spots with different size should be detected on metal bands.

Data
sheet:

APP N° 345

Stamping mark presence control on metal wires
The presence of stamped small lines should be controlled on a copper colored metal wire.

Data
sheet:

APP N° 333

Frequency control of industrial ventilators
Ventilators for industrial purposes should be frequency checked. Furthermore the direction of rotation should be controlled.

Data
sheet:

APP N° 332

Detection of super elevations of aluminum profile
Super elevations of aluminum profile should be detected.

Data
sheet:

APP N° 327

Tarnish film detection on metal band
A tarnish film should be detected on metal band.

Data
sheet:

APP N° 326

Presence control of red lubricant on metal pin
The presence of a red lubricant on a metal pin should be controlled. A minimum sensor distance of approx. 200mm is required.

Data
sheet:

APP N° 302

Distance measurement onto an aluminum ground surface
The distance to an aluminum ground surface should be measured. At this, the grinding is extremely angle-dependent and thus, the consequences in using a laser displacement sensor are that the reflectivity is strongly angle-dependent, too.

Data
sheet:

APP N° 289

Evenness control of angle grinder discs
The flatness of angle grinder discs should be controlled during the rotation.

Data
sheet:

APP N° 283

Position control of spring locks on metal parts
The position of the snap fit of a metal part should be controlled.

Data
sheet:

APP N° 255

Detection of the presence of an oil film on a turned metal part
The presence of an oil film without gap should be controlled on a turned metal part.

Data
sheet:

APP N° 248

Attitude control of an asymmetric spiral spring
The attitude of an asymmetric suppressed spring should be controlled.

Data
sheet:

APP N° 240

Concentric runout control of a wheel
The concentricity of a high speed wheel should be controlled.

Data
sheet:

APP N° 238

プーレの軸受表面の線彫り検査
黒色プーレの軸受け表面にある彫り線を検出します。

Detection of a line engraving on the bearing surface of a pulley
An engraved line on the bearing surface of a black pulley should be detected.

Data
sheet:

APP N° 229

Detection of color marks on slide bearing shells
Red, green and yellow color marks as well as no color mark on slide bearing shells should be detected and distinguished. It should be taken into account that the color mark should be detected even if it is partially removed.

Data
sheet:

APP N° 228

Eccentricity control of belt pulley
The eccentricity of belt pulley should be controlled. The dimension x should be controlled over the whole circle.

Data
sheet:

APP N° 227

Diameter control of different wires during the production
The diameter of different metal wires should be controlled during the production process.

Data
sheet:

APP N° 218

Surface control of frame joints
The surface of several hinge-joints should be color-gloss controlled on different areas.

Data
sheet:

APP N° 216

Presence control of a paper sheet on an aluminum plate
The presence of a paper sheet on different colored aluminum plates should be controlled.

Data
sheet:

APP N° 215

Noncontact thickness measurement of metal sheets
The thickness of metal sheets should be measured, but contactless.

Data
sheet:

APP N° 211

Presence control of wax coating on steel wire ropes
The presence of wax coating on steel wire ropes should be controlled. The wax is supplied with fluorescent additives.

Data
sheet:

APP N° 209

Gloss control of cutting rings
The gloss of cutting rings should be controlled. Two components, different in gloss, should be distinguished.

Data
sheet:

APP N° 204

Detection of the alignment of a screw
The alignment of screws in a mechanical guide should be controlled.

Data
sheet:

APP N° 199

Detection of a lasered reference mark on an aluminum foil and differentiation from a lasered stripe
A lasered reference mark on a shiny aluminum foil should be detected. A proper detection of the reference mark should be guaranteed, which means, that the lasered stripe must not be detected as a reference mark.

Data
sheet:

APP N° 197

Inline color control of abrasive material
Abrasive band material should be inline color controlled.

Data
sheet:

APP N° 194

Detection of an edge in an aluminum wheel rim
The edge in an aluminum wheel rim should be detected. The speed of the wheel rim is around 50 rpm.

Data
sheet:

APP N° 193

Detection of a fluorescent mark on a metal sheet matrix
A fluorescent mark on the top side of a metal sheet matrix should be detected.

Data
sheet:

APP N° 189

Inline color control of a golden coated wire
A golden coated wire should be controlled during the production process. Furthermore, local defects like grooves should be detected. At this, the production speed of the wire is approximately 10 m/s.

Data
sheet:

APP N° 186

Welding line detection on a metal stripe
A welding line on a metal stripe should be detected. At this, the welding line looks different, even a grinded welding line is possible.

Data
sheet:

APP N° 181

Color control of brass coated steel wires
The quality of brass coated steel wires should be controlled. At this, the color of the wire delivers information about the thickness of the coating.

Data
sheet:

APP N° 177

Detection of a joint on a wheel rim
A joint on an aluminum wheel rim should be detected. At this, the wheel is rotating with a speed of 50 rpm.

Data
sheet:

APP N° 173

Leak detection of welding lines on dish washers
Leaks should be detected on welding lines of dish washers. At this, a robot equipped with a spray nozzle sprays a fluorescent liquid into the inner chamber of a dish washer. If leaks are present in the welding line, the fluorescent liquid flows through these leaks and can be detected with a fluorescent color detector.

APP N° 170

Diameter control of a metal wire with and without insulation
The diameter of a wire without insulation (Ø 50µm) should be differentiated from a wire with insulation (Ø 110µm).

Data
sheet:

APP N° 169

Color control of silver colored metal wires
The color as well as the gray scale of a silver colored wire can differ in a coil. To avoid these inhomogenities the wire should be color controlled.

Data
sheet:

APP N° 167

Detection of spray marks on the metal surface of water cooler
Defective or damaged water coolers will be marked during the assembling process with a blue spray mark. Intensity and size of the color mark, however, differs extremely.

Data
sheet:

APP N° 165

Quality inspection of shower hoses
The surface of shower hoses should be controlled. Failures like slight gray tint, gray tint (bloom), yellow tint surfaces (yellowness) but also a metallic overlap and a red ribbon should be detected.

Data
sheet:

APP N° 164

Measurement of the height of a welding line and a polished welding line on a metal sheet
The height of a welding line should be controlled; at this, the presence of the welding line has to be checked before the grinding process and the height of the polished welding line has to be measured after the grinding process.

Data
sheet:

APP N° 155

Detection of a proper color mark on a metal disk
The presence of a proper color mark on a metal disk should be detected. The parts with a missing color mark as well as the parts with a color marks which are partly erased should be sorted out.

Data
sheet:

APP N° 140

Presence control of a coating on metal sheet
The presence of a coating on a metal sheet should be controlled.

Data
sheet:

APP N° 132

Profile measurement of an abrasive block
The contour of a grinding stone should be measured. The necessary measurement range is approximately 20mm.

Data
sheet:

APP N° 129

Differentiation of blind holes and blind threads
On metal blocs a presence control of blind threads and blind holes should be realized.

Data
sheet:

APP N° 127

Diameter control of holes
The diameter of holes in an aluminum bloc should be controlled. Holes with diameters up to 8mm must be measured.

Data
sheet:

APP N° 123

Double sheet control
Metal plates should be removed from a stack with a robot. The robot sucks the metal sheets one by one and it should be avoided for safety reasons to move two metal sheets simultaneously. A sensor should detect double sheet not from the top but from the side. Furthermore, the system should be adapted automatically after a change of the type of metal sheet (different thickness or different metal).

Data
sheet:

APP N° 115

Quality control of the surface of a cone on a cogwheel
The surface of the cone on a cogwheel should be checked. The surface of a proper cone looks very homogeneous; the surface of a bad cogwheel shows grooves and scratches. For investigations the cogwheel can be turned around its axis. The distance from the sensor to the object should be around 200 mm.

Data
sheet:

APP N° 113

Color differentiation of cogwheels
The task is to differentiate between black coated and non-coated cogwheels. Furthermore the minimum distance from the sensor to the object should be 160mm.

Data
sheet:

APP N° 109

Detection of a welding line on a metal ring
The task is to detect the welding line on a metal ring. During the measurement, the metal ring will be turned around.

Data
sheet:

APP N° 93

Differentiation of chrome plated shiny and chrome plated matt components
Chrome plated shiny components must be distinguished from chrome plated matt parts. The size of the objects is equal; there is only 8mm space in height under the object for the sensor front end.

Data
sheet:

APP N° 88

Fluorescent glue control on an abrasive belt
During the production of abrasive belt material with a 10mm wide glue stripe the presence of the fluorescent glue must be observed. Defects greater than 2mm in length must be proper detected. The distance of the sensor head to the object should be approximately 20mm and the detecting range around 2mm x 10mm.

Data
sheet:

APP N° 87

Inline gloss measurement on abrasive belts
The gloss factor is a significant parameter for the surface quality, the roughness, of an abrasive belt. Thus a gloss measurement inline sensor should be used for quality control of the abrasive surface.

Data
sheet:

APP N° 84

Color differentiation between a black and an uncoated metal gear wheel
A black metal gear must be distinguished from an uncoated metal gear. The distance from the sensor to the object should be 160mm and the spot size should be around 3mm in diameter.

Data
sheet:

APP N° 79

Differentiation of ball bearings
Ball bearings with the same size but with a different color ring must be differentiated. At this one ball bearing type has a golden colored inner ring, whereas the other type is equipped with a silver colored inner ring. The ball bearing has to be controlled at a minimum distance of 160mm.

Data
sheet:

APP N° 77

Edge control of abrasive belts
The edges of abrasive belts must be grinded to a certain degree. Thus, the degree of grinding should be controlled.

Data
sheet:

APP N° 70

Detection of an engraving mark on a metal plate
An engraving mark which is used for positioning in x-, y- and roll-direction has to be detected.

Data
sheet:

APP N° 60

Color differentiation of fluorescent liquids and marks
Available fluorescent sensors so far detect only the intensity of a fluorescent object but not the color. Furthermore these sensors have a problem to detect very weak fluorescent objects or fluorescent objects at a distance more than 80mm and additionally they are sensitive against ambient light. For the purpose of fluorescent color mark detection a color sensor for fluorescent colors should be used.

Data
sheet:

APP N° 51

Control of margined abrasive belts
Different sanding belts are equipped with a margin and this margin has to be controlled. The margin can be present on the sanding side of the abrasive belt or on the rear side. Furthermore the margin can be darker than the rear side but mostly it is brighter than the sanding surface. Nevertheless there is a sufficient difference in contrast between the margin and the rear side or the sanding side.

Data
sheet:

APP N° 46

Color mark detection on aluminum tubes
A red color mark which is sprayed on an aluminum tube must be detected during the linear movement of the tube. Furthermore on another aluminum tube the presence of black characters and figures should be detected, too.

Data
sheet:

APP N° 45

Color mark detection on steel wires
The area where the ends of two steel wires are welded together will be marked with either a blue or a red color. During the further processing this color mark must be detected.

Data
sheet:

APP N° 44

Color differentiation of anodized aluminum wires
During the further processing of anodized aluminum wires the color (blue, gold-colored, red and green) must be controlled, to avoid that the wrong wire will be used.

Data
sheet:

APP N° 43

Color control of different galvanized steel wires
To hold the quality of surface treated steel wire constant a color control after the galvanization process is necessary.

Data
sheet:

APP N° 29

Measurement of length of metal collapsible tubes during the production process
During the production of metal tubes, the length of the tubes must be controlled, because of the previous cutting process of the tubes. The accuracy of the metal tubes should be in a range of a tenth of a millimeter.

Data
sheet:

APP N° 19

Black ink mark control on metal tubes
On metal tubes, black marks will be applied with an ink jet printer. Sometimes the position of the ink mark is not on the right place or the ink coverage is not sufficient.

Data
sheet:

APP N° 13

Surface control of a piston rod: Steel surface or chrome-plated
A piston rod must be controlled whether it is chrome-plated or not.

Data
sheet:

APP N° 9

Detection of a welding line on a metal rod
The welding line must be detected during the rotation of a metal rod. It has to be taken into account, that there are scratches as well as rust on the metal surface.

Data
sheet:

APP N° 7

Differentiation of coated and uncoated metal sheets with the color sensor
During the production of cover plates and tin cans, the direction of the metal sheet (front side / rear side) must be checked. Thus it is necessary to distinguish between the coated and the uncoated side.

Applications

Practical examples from the industrial use

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