Automotive Electronics Shock Absorber Inspection

IPD Technical ConferenceFebruary 19th 2008

Automotive Electronics Shock Absorber Inspection

Ohio Office

Company History

This Ohio based customer molds various silicone rubber parts for the automotive and transportation industry.

Their initial vision systems were based upon the original NetSight NS-1000 and the JAI CV-A11 camera.

They have since migrated to the VA-40 with the higher resolution JAI CV-A1 and CV-A2 cameras.

How many remember this?

The Application

Inspect an aluminum shock absorber plate that protects the ABS electronics module used in a vehicle.

The plates are shipped to our customer and they mold the silicone rubber pyramids to the plate.

Six plates are molded at one time.

The Application

Verify mounting tab is in the top left corner.

Check silicone pyramids for correct size and shape.

Verify vent hole is present.

Separate output indicating which mold cavity made the faulty part. (Variable Assignment Equations)

iNspect Tools Used

Match Tool detects tab presence

Circle Tool calculating Circularity and minimum Radius

Count Tool finds the vent hole.

Part Presentation

A robotic arm loads the mold with six aluminum plates.

After molding the robotic arm picks up the six parts and indexes them in front of the camera.

Vision Equipment VA40E-04 Running iNspect

JAI CV-A2 Megapixel Camera

Kowa 18-108 Macro Zoom lens

Custom blue LED dome light built around Nerlite LALL 22x288 light lines

This simple vision application did not require the use of VA40E-04, A2 camera, and zoom lens, but this configuration assures spare parts uniformity with their other vision systems.

The Installation

Screen Shots

Variable Assignment Equations

Post Image Process

plate_counter = plate_counter+ 1

if (plate_counter= 1) plate_1_status = Result.0






if (plate_1_status= 1) FAIL = 0

if (plate_1_status!= 1) FAIL = 1

if (plate_2_status!= 1) Global.GPO[3] = pulse( 1,0,1000)





2.) Create Six Status Registers here

1.) Create Plate Counter here

3.) Assign Status Registers to separate outputs here


Batch Reset

plate_counter = 0

Global.GPO[1] = 0

Global.GPO[3] = 0

Global.GPO[4] = 0

Global.GPO[5] = 0

Global.GPO[6] = 0

Global.GPO[7] = 0

plate_1_status = 1

plate_2_status = 1

plate_3_status = 1

plate_4_status = 1

plate_5_status = 1

plate_6_status = 1

FAIL = 0

PASS = 1

4.) Create User Function here to reset registers and outputs. (This User Function serves as a subroutine.)


Solution Initialize

BatchReset( )

Post Image Process

if (plate_counter>= 6) BatchReset( )

5.) Add the User Function to prepare for the next batch.


Solution Initialize

BatchReset( )

Post Image Process

if (plate_counter>= 6) BatchReset( )

plate_counter = plate_counter+ 1







if (plate_1_status= 1) FAIL = 0

if (plate_1_status!= 1) FAIL = 1






Putting it all together

Automotive Electronics Shock Absorber Inspection

Documents

Transcript of Automotive Electronics Shock Absorber Inspection