user conference 2014 april 28, 2014. side turn signals for large trucks sandeep saxena optical &...
TRANSCRIPT
USER CONFERENCE 2014
APRIL 28, 2014
SIDE TURN SIGNALS FOR LARGE TRUCKS
Sandeep Saxena
Optical & Advanced Engineering
SAE SPECIFICATION
INTERPOLATING LID
RECREATING SYMMETRICAL LID
38 X 1/0.5 X 1.25 = 95 LUM
FLAT LENS EFFECT
PS Applications
RISK AREAS
• ZONAL VALUES OK
• WIDE ANGLE TEST
POINTS
• SIDEMARKER
FUNCTION??
MACRO FOCAL APPROACH
KEY POINTS
•LAYOUT OF
REFLECTORS
•TOOLING
CONSIDERATIONS
•SURPRISE ELEMENTS
DESIGN STRATEGY
12 3 4
5
6
18 Lumens per LED considered after ALL losses
LED: NICHIA
1
2
3
4
5
6
SIDE TURN INDICATOR
SIDEMARKER AT 1/7th INTENSITY
SIMULATION VS ACTUAL PERFORMANCE
ECE CATEGORY 6 DIRECTION INDICATOR
0 DEGREE
60 DEGREE
GEOMETRY
A
C
BDESIGN STRATEGY
LIGHT COLLECTION FROM AREA “A”
LIGHT COLLECTION FROM “B & C” AREAS
OPTICAL SURFACES INTEGRATED IN CAD MODEL
20lum/LED with Optic free lens
