Keyence LJ-V7000 Series: The World's Fastest 2D/3D Laser Inspection System

Overview

The Keyence LJ-V7000 Series is a revolutionary 2D/3D laser inspection system designed to achieve the world's fastest sampling speed. With a sampling rate of 64,000 profiles per second and 12,800,000 points per second, it enables precision inspection of even the most difficult parts, including those moving at high speeds.

This system offers an industry-leading dynamic range, providing overwhelming responsiveness to target properties to optimize output stability. It accurately measures shapes even with high variations in target reflectivity under the same optical axis.

Sensor Head Lineup

The LJ-V7000 Series offers a comprehensive lineup of sensor heads to meet diverse application needs:

Ultra-high-accuracy models: LJ-V7020, LJ-V7020K (specular target)
High-accuracy models: LJ-V7060, LJ-V7060K (specular target)
Long range model: LJ-V7200
Ultra-long range model: LJ-V7300
Mid-range model: LJ-V7080

Each sensor head is designed with specific Z-axis and X-axis measurement ranges and repeatability specifications, ensuring optimal performance for various measurement tasks.

Advanced Technology

Blue Laser Optical System: The world's first system to adopt a blue laser (405 nm), providing optimal stability and accuracy on a wide variety of targets. It generates a stabilized high-precision profile, limiting image blur and ensuring optimal accuracy.
Double Polarization Function: Compensates for stray reflections caused by target geometry, distinguishing and canceling them for accurate measurements, especially on metallic targets with complex shapes.
HSE³-CMOS: Provides enhanced stability on any target, even at high speed, with an improved dynamic range and a short exposure time of 15.6 µs, enabling reliable measurement of surfaces with varying reflectivity.
GP64-Processor: A next-generation system designed for high-speed data processing, allowing a 64 kHz output frequency while maximizing output stability and accuracy.

Applications

The LJ-V7000 Series is versatile and applicable in numerous industrial scenarios:

Height/inclination measurement: Measuring chip capacitors on PC boards with high precision (repeatability of 0.2 µm).
Transparent object inspection: Measuring the amount of sealant on glass substrates.
Width/position/height difference measurement: Pre-weld assembly and weld bead inspection, with robust IP67-rated heads suitable for harsh environments.
3D shape measurement: Detailed 3D inspections of complex parts, such as powdered metal components, on the fly.
Feedback based on shape measurement: Orientation checks for pick-and-place operations, enabling high-speed, high-accuracy robotic tasks.
Warpage measurement using multiple sensor heads: Rolled steel defect inspection, detecting minute defects over a wide area.

Ease-of-Use and Integration

Multiple Interface Options: Setup can be performed via a touch panel, PC, or connected monitor and control pendant.
Easy 3D Measurement Function: Allows for instantaneous checking of scanned target results in a 3D bird's eye view, simplifying troubleshooting.
Multi-screen Function: Simultaneously monitor multiple screens, including measurement values, profiles, and trend graphs, with adjustable screen sizes and locations.
Simple Setup: An intuitive interface guides users through setup procedures, with settings applied in real-time.
Profile Storage Function: Provides an easy-to-use interface for accessing profile data and storage functions.
Terminal Operation Timing Chart Function: Allows active monitoring of all I/O terminals, simplifying initial setup and troubleshooting.
Easy integration in a production environment: Features include built-in encoder support, high-flex cables, IP67 rated heads and sensor cables, and impact resistance testing (IEC 68-2-29).

Flexible Data Output Options

The LJ-V7000 supports various output methods including Ethernet, USB, RS-232C, and analog voltage for measurement values, profile data, and OK/NG judgments.

High Volume Onboard Memory Buffer: Equipped with a large-capacity memory buffer capable of storing up to 60,000,000 data points or 250,000 profiles. This buffer allows for independent measurement acquisition and data processing.

Specifications Summary

The document provides detailed specifications for controllers (LJ-V7001, LJ-V7001P), display units (LJ-VM100), and various sensor heads, including their measurement ranges, repeatability, linearity, and environmental resistance.

Controller Specifications: Support for NPN/PNP outputs, encoder input, trigger inputs, and analog voltage output. Ethernet, USB, and RS-232C interfaces are available.

Sensor Head Specifications: A wide range of models with varying measurement capabilities, including ultra-high-accuracy, high-accuracy, long-range, and ultra-long-range options. Key features include blue laser technology and high repeatability.

Related Products

The document also highlights related products, such as the TM-065T Two-dimensional Micrometer, which measures 2 dimensions with micron precision, offering simultaneous measurement of 16 points with high repeatability and accuracy.

	KEYENCE SR-700 Series ULTRA-COMPACT Code Reader Instruction Manual This instruction manual provides comprehensive guidance on the safe installation, operation, and maintenance of the KEYENCE SR-700 Series ULTRA-COMPACT Code Reader, including technical specifications and regulatory information.
	KEYENCE LR-Z Series All-Purpose Laser Sensor: Features, Specs, and Lineup Explore the KEYENCE LR-Z Series All-Purpose Laser Sensor, featuring Universal Change Detection (U.C.D. Function) for reliable position, contrast, and transparency detection. Discover its rugged design, IP68/IP69K ratings, and comprehensive specifications.
	KEYENCE KV-8000 Series Programmable Controller with Machine Operation Recorder Explore the KEYENCE KV-8000 Series Programmable Controller, featuring the world's first built-in Machine Operation Recorder function for efficient problem identification, analysis, and quick recovery. This brochure details its advanced capabilities, including automatic data recording, playback, and analysis tools to minimize downtime and improve operational efficiency.
	Keyence DX Series Handheld Terminal Instruction Manual This instruction manual provides essential safety precautions, operational guidelines, and technical specifications for the Keyence DX Series Handheld Terminal, including models DX-A600, DX-A600GE, DX-A400, DX-A400GE, and DX-W600. It covers topics such as LED and laser safety, regulatory compliance (FCC, CE, UKCA, ISED), installation of microSD and SIM cards, handling, cleaning, and specifications.
	Keyence DX Series Handheld Terminal Instruction Manual This instruction manual provides detailed information on the Keyence DX Series handheld terminal, covering safety precautions, installation, handling, cleaning, and specifications. It is designed for users of the DX-A600, DX-A600GE, DX-A400, DX-A400GE, and DX-W600 models.
	KEYENCE Laser Marker EtherNet/IP Communication Interface User's Manual This user's manual provides comprehensive instructions for operating the KEYENCE Laser Marker with EtherNet/IP communication interface. It covers setup, configuration, and programming examples for various PLCs, including KEYENCE KV series, OMRON CJ2 series, and Allen-Bradley Control/Compact Logix series. Learn about cyclic communication, command communications, and troubleshooting.
	Keyence GT Series Digital Contact Sensors: Features and Specifications Explore the Keyence GT Series of general-purpose digital contact sensors, highlighting their ease of use, durability, error-free operation, and cost reduction benefits. This document details sensor head and amplifier unit specifications, applications, and optional accessories.
	Keyence BT-A500 Series Handheld Terminal Instruction Manual This document provides comprehensive safety precautions, operational guidelines, and specifications for the Keyence BT-A500 Series handheld terminal. It covers laser and LED safety, regulatory compliance, handling instructions, and detailed technical specifications.