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AUTOMOTIVE EDITION
LASER SOLUTIONS
RELIABLE SOLUTIONS NOW AVAILABLE FOR THE MOST CHALLENGING
PALLETIZING ROBOTS
SHEET WINDING PROCESS
Sensors are used to help palletizing robots with product stacking/placement by measuring the
distance to the floor or top of the stack. Varying colors or materials for the products being stacked
or the floor can affect conventional sensors causing incorrect readings and potentially damaging
products due to misplacement. The use of TOF (Time of Flight) Technology allows the LR-T to
stably detect the distance regardless of the surface finish.
Interior sheets come in a variety of colors, materials, and even designs like mesh. Holes in the
mesh and the changing of the sheet's color or material cause conventional reflective sensors to
malfunction. The LR-T is not affected by any of these factors due to its innovative position based
detection method and ability to increase its beam spot size to ignore holes.
ENGINE BLOCKS AND OTHER METALLIC SURFACES
WELDING MACHINES
Due to the complex shape of engine blocks and other metallic components in the automotive
industry, it was typically necessary to use contact sensors to detect if a hole was processed
correctly. With the ability to stably detect holes over long distances, the LR-T can now be used
to decrease the amount of time necessary for inspection, and also be mounted in an unobtrusive
location.
The detection of large parts in the welding process has always been a problem since sensors
needed be placed far from the target to prevent damage from weld spatter. By utilizing
TOF (Time of Flight) technology, the LR-T can stably detect targets at greater distances than
conventional sensors.
DIE CASTING
INJECTION MOLDING
When using conventional level detection methods, the heat and vapor from the melted aluminum
led to sensor damage and malfunctions. The ability to detect glossy metal levels from up to 5 m
16.4' away, allows the LR-T to be placed far from the potentially damaging heat. The LR-T also
offers an analog output for more precise level control. Also, the analog output helps you to have
different set points for more precise level control.
To improve the efficiency of the manufacturing cycle and prevent downtime, it is crucial to ensure
that the target has been successfully removed from the mold prior to the next cycle. With its ability
to maintain fine detection over long distances, the LR-T works to stably detect the target from
virtually anywhere within 5 m 16.4'.
Height detection feedback for robotic stacking
Detection of holes in engine blocks
Level Detection of melted aluminum in die casting
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Web guidance
Presence/absence detection of components prior to welding
Confirming part ejection
APPLICATIONS IN THE AUTOMOTIVE INDUSTRY
TRANSFER PRESSES
AUTOMATED SHUTTERS
Thrubeam type sensors needed to be mounted both above and below the press mold to detect
material run out; however dirt and oil build up on the lenses quickly causes malfunctions. By
having both the detection capabilities of a thrubeam sensor and mouting flexibility of a reflective
sensor, LR-T is the best match for this application.
When using conventional thrubeam type photoelectric sensors, it took time and effort to perform
wiring and alignment during installation. The LR-T reduces this time and effort by providing long
distance stable detection with minimal wiring and no alignment necessary.
TAPPING MACHINES
CUTTING AND ROLLING PROCESSES
Tapping machines typically have to implement additional processes to check for tool breakage,
because conventional sensors cannot stand up to the debris and cooling liquids near the
tool. The long range capabilities of the LR-T allow it to be mounted far from the hazardous
environment, and still stably monitor for tool breakage.
When detecting upper, middle, and lower levels of sheet material with conventional thrubeam
type photoelectric sensors, time consuming job such as installation, wire routing , and optical-axis
alignment are necessary. The range and analog output found in the LR-T easily eliminate the need
to use multiple sensors, and also provide better tension control.
FORGING/BILLET HEATERS (INDUCTION HEATERS)
SINTERING MACHINES AND LARGE FILLING MACHINES
The LR-T utilizes an innovative algorithm to neglect the effects of ambient, which enables it to
reliably detect targets that are glowing hot. In addition, 5 m 16.4' detecting distance allows the
sensor to be positioned far from the heated target.
Dusts and mists have always been a problem for level detection when using conventional
methods. Also, gaps between the materials sometimes led to incorrect measurements of the
hopper level. The combination of TOF (Time of Flight) Technology and an adjustable beam spot
permit, the LR-T to stably and reliably detect the level of the material in the hopper.
Detection when the material runs out
Monitoring for tool breakage on tapping machines
Detection of red-hot metal after ejection from a heater
Forklift approach detection
Material tension control in roll-to-roll process
Detecting material level in a hopper
New Standard All-Purpose TOF Laser Sensor
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SUPERIOR DETECTION CAPABILITIES
INNOVATIVE TECHNOLOGY AND ADAPTABLE FEATURES
EASY TO USE
FLEXIBLE MOUNTING AND SIMPLIFIED SETUP
UNMATCHED VERSATILITY
UTILIZE IN ANY APPLICATION
NEW ALL-PURPOSE LASER SENSOR
HS2 TOF Time Of Flight TECHNOLOGY
LR-T Series
LR-TB5000/2000
Light
Intensity
White target
UNSTABLE
The amount of light reflected varies
with target color
Black target
Detecting distance
STABLE
Light
Intensity
Time of Flight (TOF) is Not affected by target color
Vertical reflection
UNSTABLE
The amount of light reflected varies
with angle
45 degree angled reflection
Detecting distance
STABLE
Time of Flight (TOF) is Not affected by angle
Light
Intensity
Received light intensity fluctuated by target color, or external
light. But the LR-T’s TOF technology and newly developed
custom integrated circuit enables stable detection at long
distances.
Small signal
Detecting distance
STABLE
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Time of Flight (TOF) is Not affected by target color or angle
ADJUSTABLE BEAM SPOT
LR-TB5000
STEP DISC MECHANISM
Industry first
The LR-TB5000 Series features an adjustable
beam spot to enable stable detection on a
wide variety of target types.
Mesh
ALL-IN-ONE OUTPUTS
LR-TB5000
All models feature the ability to switch between NPN and
PNP outputs. The LR-TB5000 Series models also feature
the option for an analog (voltage or current) output.
Powder
NPN
PNP
Rounded
surface
0 to 10 V
4 to 20 mA
Same model
Same Model
NPN/PNP switching output
Analog output
LR-TB5000/2000
FLEXIBLE MOUNTING
Uneven
surface
LR-TB5000
LR-TB5000/2000
Up to 4 units can be used
without interference
Pigtail type
Adjustable
angle bracket
The L-shaped adjustable angle
brackets quickly attach the
sensor to a machine frame.
Adjustable
bracket
This free angle fitting can be
used to mount the sensor to a
standard M12 shaft.
2.0 m
6.6’
5.0 m
16.4’
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UNAFFECTED BY COLOR
DATUM DETECTION
RELIABLE DETECTION OF ANY TARGET PLACED OUTSIDE THE REFERENCE PLANE
IP67 SENSOR HEAD
CAN BE USED IN EVEN HARSH ENVIRONMENTS
DIGITAL CMOS LASER SENSOR
GV Series
CAN STABLY DETECT VARIOUS TARGETS
SENSOR HEAD LINEUP
Standard
detection deviation
Configuration
250
Amplifier display value
0
0.5 mm
0.02"
20 mm 45 mm 1.77"
0.79"
750
Curved metal surfaces
Targets on mirrored or polished
backgrounds
Amplifier display value
0
1 mm
0.04"
55 mm 2.17"
130 mm 5.12"
Amplifier display value 0
290
3 mm
0.12"
450 mm 17.72"
160 mm 6.30"
800 31.50"
Amplifier display value 0
1000 mm
39.37"
200 mm 7.87"
Dull black targets with
complex shapes
Targets with graphics, text or
even high gloss
*1. IEC class
20 mm 0.79"
(Detecting distance 200 to
800 mm 7.87" to 31.50")
30 mm 1.81"
(Detecting distance 800 to
1,000 mm 31.50" to 39.37")
Laser
class*1
Model*2
2
GV-H45
1
GV-H45L
2
GV-H130
1
GV-H130L
2
GV-H450
1
GV-H450L
2
GV-H1000
1
GV-H1000L
*2. Models ending in an "L" suffix feature a Class 1 laser.
BEST-IN-CLASS DETECTION ABILITY
DURABLE & LONG LIFE
SIMPLIFIED OPERATION
ALL PURPOSE LASER PHOTOEYE
DURABLE & LONG LIFE
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SIMPLIFIED OPERATION
LR-Z Series
PRESENCE CONFIRMATION
QUICK AND EASY INSTALLATION
VISIBLE LASER BEAM SIMPLIFIES SENSOR ALIGNMENT AND SETUP
POWERFUL, FOCUSED BEAM
ENABLES LONG RANGE DETECTION
SAFE OPERATION
ALL MODELS CONFORM TO CLASS 1 LASER REQUIREMENTS
DIGITAL LASER SENSOR
LV-N Series
THRUBEAM
RETRO-REFLECTIVE
REFLECTIVE
Small: M6 Threaded Head (with slit)
Standard
Coaxial structure
Model: LV-S72
Built-in ø6 mm ø0.24" slit filter allows for high
precision detection.
Model: LV-NH62
Achieves a small beam spot of ø1.5 mm ø0.06" over
a 1 m 3.28' range with the capability to detect up to
8 m 26.25'.
Model: LV-NH35
Provides effective detection through small holes or
narrow gaps.
THRUBEAM
REFLECTIVE
REFLECTIVE
Wide area: 30 mm 1.18" beam width
Adjustable beam spot
Ultra-small beam spot (ø50 μm ø1.97 Mil)
Model: LV-NH300
Effective for length differentiation and detection of
parts with varying positions.
Model: LV-NH32
Up to 1.2 m 3.93' detecting distance. Freely adjust
the size and shape of the beam spot for precision
and versatility.
Model: LV-NH37
Background cancellation enables extremely minute
target detection.
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Series Name
Type
LR-T
REFLECTIVE
LR-Z
REFLECTIVE
REFLECTIVE
CMOS
20 to 1000 mm 0.79" to 39.37"
REFLECTIVE
Light Intensity
0 to 1200 mm 0" to 47.24"
Standard detectable
change in position
Detecting distance
Approx.
30 mm 1.18"*1
TOF (Time of Flight)
60 to 5000 mm 2.36" to 196.85"
CMOS
25 to 250 mm
0.98" to 9.84"
3 mm 0.12"
(LR-ZB100)*2
0.5 mm 0.02"
(GV-H45)*3
RETROREFLECTIVE
—
Light Intensity
0 to 35000 mm 0" to 1,377.95"
THRUBEAM
LV-N
GV
LASER SENSOR SELECTION CHART
—
Light Intensity
0 to 2000 mm 0" to 78.74"
—
*1. This data is approximate, and was determined using the following conditions: Response time:100 ms,Target:White paper
*2. When using the LR-ZB250, The Detectable Change is 25 mm 0.98" (detecting distance:180 mm to 250 mm 7.09" to 9.84") and 9 mm 0.35" (detecting distance:35 mm to 180 mm 1.39" to 7.09")
*3. When using the GV-H130, The Detectable Change is 1 mm 0.04" (detecting distance: 55 mm to 130 mm 2.17" to 5.12") When using the GV-H450, The Detectable Change is 3 mm 0.12" (detecting distance: 55 mm to 450 mm 2.17" to 17.72")
COMPACT HEADS +
MULTI-FUNCTION AMPLIFIER
REPEATABILITY of 5 µm 0.20 Mil
LINEARITY OF ±0.1%
A VARIETY OF HEADS
EXTREMELY EASY TO USE
Ranging from 20 mm to 3.5 m 0.79" to 11.5'
SIMPLIFIED OPERATION WITH
ADVANCED FUNCTIONALITY
DIRECT COMMUNICATION WITH
EXTERNAL EQUIPMENT
IL Series
IG Series
CMOS MULTI-FUNCTION ANALOG LASER SENSOR
CALL
TOLL
FREE
T O C O N TA C T Y O U R L O C A L O F F I C E
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MULTI-PURPOSE CCD LASER MICROMETER
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SAFETY INFORMATION
Please read the instruction manual carefully in
order to safely operate any KEYENCE product.
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KA1-1114
The information in this publication is based on KEYENCE’s internal research/evaluation at the time of release and is subject to change without notice.
Copyright (c) 2014 KEYENCE CORPORATION. All rights reserved.
LRTsolutionAuto-KA-AG-US 1114-2 611925 Printed in Japan
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