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8/20/2019 X Ray,Vision,Inspection,And,Quality,Conrtol,Solutions,(Ishida)
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XX--Ray VisionRay VisionInspection and qualityInspection and quality
control solutionscontrol solutions
8/20/2019 X Ray,Vision,Inspection,And,Quality,Conrtol,Solutions,(Ishida)
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OVERVIEWOVERVIEW• Radiation in daily life
• Principle of detection• The nature of X-Ray
• Product effect
• The benefits of X-Ray systems in production
– Missing item/Masking/Genetic Algorithm
• What is difficult to detect• What can be detected
• Advantage over metal detection
• Overall benefits to business
8/20/2019 X Ray,Vision,Inspection,And,Quality,Conrtol,Solutions,(Ishida)
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Flight attendant380μSv/week、
approx.2.0μSv/h
IX-GA1μSv/h Chest x-ray Stomach x-ray
50μSv/time 600μSv /time
CT SCAN
6900μSv/time
TV or PC monitor 0.5μSv/h
XX--RAY in DAILY LIFERAY in DAILY LIFE
8/20/2019 X Ray,Vision,Inspection,And,Quality,Conrtol,Solutions,(Ishida)
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X-ray tube
Cooling fan
Line sensor
X-ray generator tube
Cathode
AnodeProductTraveling Conveyor
Line sensor
Penetration
Level 5
Level 1,2,3
Level 4
Foreign
body
X -r a y
P en e t r a t i on
Radiation
PRINCIPLE OF DETECTIONPRINCIPLE OF DETECTION
8/20/2019 X Ray,Vision,Inspection,And,Quality,Conrtol,Solutions,(Ishida)
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The higher the density, more X-ray is absorbed
(= a darker image is displayed).
The thicker the product, more X-ray is absorbed
(= a darker image is displayed).
NATURE OF XNATURE OF X--RAYRAYIncoming radiation Outgoing radiation
Thin Plastic resin
AluminumThick
Fe, SUS
Incoming radiation Outgoing radiation
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PRODUCT EFFECTPRODUCT EFFECT
Changes in product density can
cause diff icult ies in seeing small
contaminants
More homogenous products are
more conducive to small
contaminant detection
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Benefits of XBenefits of X--RayRay
machines in productionmachines in production
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MASKINGMASKING
Edge Masking
Pattern Masking
CLIP CHECK CAN BE DONE
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Thin part
Crack
Number, shape, and thickness of individual product examined.Number, shape, and thickness of individual product examined.
Sample Missing check for 6pcs/pack hamburger
Result
NG:2 pcs.
OK :4 pcs.
MISSING ITEM DETECTIONMISSING ITEM DETECTION
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Reject (small)OK
Area
Reject (crack) Reject (deformed)
Perimeter
OK Reject (light)
Shade
Reject (void)
Contrast
MISSING ITEM DETAILMISSING ITEM DETAIL
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WEIGHT ESTIMATIONWEIGHT ESTIMATION• Can estimate weight from the grey-scale density of
the product.
• Weight estimation is set up automatically
• Weight of individual component is also possible.
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Software ApplicationsSoftware Applications
2 – Way Weight Estimation
Weights of 2 different compartments
can be estimated.
Useful for products that use 2 different
filling processes for different
compartments.
Can only tell if combined compartment
weight is correct with a check weigher.
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Software ApplicationsSoftware ApplicationsCrack detection during bulk inspection
Available up to product length of 200mm
Deoxidizer location check
The deoxidizer should be the darkest part
of the product
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Applications Available inspection range differs between
steel can and aluminium can. Up to
Note 30mm is maximum height of can.
Foreign object close to the edge can bedetected without deteriorating
sensitivity due to masking effect.
Inspection area is automatically expanded
tothe product edge. Dent of a can is detected
as well.
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ApplicationsBulk production Individual package
(1row,2row) (1row,2row)
Void inspection Not available ok
Missing item inspection Not available ok
Pattern mask Not available ok
Package mask Not available ok
Brightness mask ok ok
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GENETIC ALGORITHMGENETIC ALGORITHM(GA)(GA)
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30th generation 100th generation
First generation
100 generations: approx. 5 min.
1000 generations: approx. 50 min.
Virtual contaminants
5 pieces
““ GAGA”” SCREENING PROCESSSCREENING PROCESS
IMPROVED DETECTIONIMPROVED DETECTION
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% DETECTED CERAMIC BALL SIZE % DETECTED
1/10 2mm 4/10
2/10
3mm 9/10
9/10
4mm 10/10
10/10
5mm 10/10
10/10
6mm 10/10
10/10 8mm 10/10
Level 5 (GA) marked in Purpleimproves the sensitivity.
Targeting on 3mm
Ceramic Ball with
Level 5
Test piece: Ceramic ball
Product: Boiled noodle
IMPROVED DETECTIONIMPROVED DETECTION
Example
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Detection of nonDetection of non--metallic itemsmetallic items
•Bones in meat
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Detection of nonDetection of non--metallic itemsmetallic items
Hard Plastic
Hard Rubber Ceramic
Glass
Stones
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DIFFICULT TO DETECTDIFFICULT TO DETECT
Paper/Cardboard
Thread/MaterialRubber glovesWood
Plants
Insects
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Advantage over metal detectors Advantage over metal detectors•The location of the contaminant can be displayed on the screen.
•Can guide product through the X-Ray as there is no load cell or metalfree zone.
•Creates pictures of rejected product
•Not susceptible to vibrations
•Can use masking, missing item and weight estimation
•Can see non-metallic contaminant
•Not affected by salt, water content or the temperature of the product
•Genetic Algorithm means specific contaminant can be targeted
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Due diligence and Brand
Protection• Ishida X-Ray bitmap and statistic capture
system
– All bitmaps of good and contaminated product saved.
– Database kept on hard drive with time and date stamps
– Can be called upon if any false claims are made by customers to
help in any court proceedings – actual X-Ray images of the
product in question can be called up.
O ll B fit f X R
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Overall Benefits of X-Ray
machines•Food Safety
•Reducing the cost of customer complaints
•Reducing the cost of product recalls
•Improve production quality control
•Due diligence – X-Ray is the most effective way toPROTECT YOUR BRAND
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THANK YOU