This page shows all inspection solutions for automotive glass

Automotive web 16-9

Advanced quality inspection for automotive glass

  • Fast ROI through a short setup time
  • No adaption of production process required
  • Maximum throughput of high-quality products
  • High level of customer satisfaction
  • Optimized production process

High quality and safety of automotive glass

automotive glass

The automotive glass manufacturing process includes various issues that can impair the quality and safety of windshields. One of the biggest challenges is achieving the desired thickness and flatness of the glass during the melting and shaping process. Any deviation from the desired specifications can lead to defects that can weaken the glass, making it unable to withstand stresses such as impacts from potholes, road debris or temperature fluctuations. 

Throughout the manufacturing process, there are various defects that can affect the quality and safety of windscreens, such as impurities or foreign objects getting trapped in the glass, and defects in the glass surface or structure. 

These defects can result in the driver's vision being restricted, structural integrity being compromised, or even the windshield breaking. 

ISRA VISION inline surface inspection detects and classifies all defects and ensures that the highest quality specifications for windshields are met. 

Quality Inspection

Our in-line optical inspection systems perform a complete quality inspection on all kinds of automotive glass panes, from rectangular to free-form glass, including clear and privacy glass as well as silkscreen printed glass panes. Suitable for all pane sizes and thicknesses, the systems inspect the entire panel, as well as the edges.  

The systems reliably identify the tiniest scratches even at high-speed conveying, classify quality-related defects and prevent further processing of defective products ensuring a quick return on investment. 

After grinding, the edge inspection system checks the edges of the glass for all typical edge and grinding defects, such as cracks, chips, shiners, and burn marks. The high-precision sensors detect and classify all defects in real time and enable the determination of the ideal replacement time for the grinding wheel and edge cutter.

The in-line optical inspection systems can be integrated into any process environment and can be adjusted to any glass type. Analysis functions for process optimization guarantee high quality, flawless products, resulting in increased customer retention, permanently reduced production and downtime costs. 


Fast and seamless integration into existing process lines

No adaption of production process required

High speed inspection

Zone based quality grading

Production process analysis and improvement

Ready for Industry 4.0

Features and typical defects


  • In-line inspection at the highest sensitivity 
  • Fine scratch detection 
  • Severity check 
  • Panel shape measurement and Inspection zone definition 
  • Customized quality grading 
  • Statistics and analysis tools for process optimization

Typical defects

  • Absorbing defects in glass area 
  • Transmitting defects in print area 
  • Missing or extended print 
  • Transmission and position of shade band 
  • Existence and position of markers and logos 
  • Edge and grinding defect 

Success story - Wuhan Yaohua Safety Glass

Flawless automotive glass quality due to recognized industrial standard of optical measuring systems.

Optical Power Measurement 

Optical Power Measurement is an essential factor in automotive glass production to ensure that the glass meets the desired specifications for clarity and visual acuity. By measuring the refractive index of the glass, which is the degree to which it bends light, manufacturers can assess the quality and consistency of the glass.

Our automated inspection systems are designed for the inspection of optical defects and shape deviations on reflective and curved surfaces. Developed for use in quality and design laboratories, they precisely inspect optical distortions and the curvature quality of all types of automotive glass.

Measurement of optical distortions

The systems fully analyze all glass and panel types measuring the horizontal and vertical transmitted optical distortions. Using special filters, they accurately identify defect causes in the production process while clearly displaying the recorded inspection results using color coding. This guarantees production quality while also ensuring the optical quality of the ADAS (Automatic Driver Assist Systems) function.

Equipped with ISRA's patented Moiré technology, the inspection systems perform repeatable measurements across the entire panel surface and reliably detect distortions down to the millidiopter range. In a single measurement process, they capture the smallest defects and classify them according to objective criteria. This enables the traceability of production defects and the rejection of defective glass panes.

Evaluation of the curvature quality

Specially developed 3D measurement systems evaluate the curvature quality of all automotive glass types. Based on stereo deflectometry the systems reliably and automatically measure the local curvature on reflective surfaces with high precision in millidiopters.

With ISRA VISION quality inspection systems, you can monitor your processes in detail and simultaneously receive an analysis of the quality criteria. Based on the collected measurement data, you can analyze and optimize the production processes.  

Depending on the requirements, we offer inline inspection systems for real-time operation during production or offline inspection for quality control after production.


Reliable, objective and repeatable measurement results in diopter

Production process optimization

Fast and precise data acquisition

Reliable and repeatable measurement of transmitted distortion instead of subjective visual methods

Reliable and repeatable measurement of transmitted distortion instead of subjective visual methods

Quick and easy visualization of results, user-friendly operation

Certified by renowned global car manufacturers for the compliance of their technical specifications

Features and typical defects


  • 100% in-line quality control on production lines   
  • ADAS evaluation tools  
  • Measurements within production cycle-time  
  • Non-contact optical 3D-measurement  
  • Optional: measurement of double-vision  
  • Real-time target performance verification to CAD data 

Typical defects

  • Horizontal and vertical distortions 
  • Shape deviations 
  • Poor curvature quality 
  • Bubble, Scratch, Inclusion 
  • Print and coating defects 

Success story - Carlex Glass America

Improved visual defect detection: Flawless quality with the industrial standard in optical car-glass inspection.

Success story - Carglass

Optical measurement for a better understanding of the optical complexity of glass.

생산 분석 - 데이터 기반 생산 효율성

웹 기반 생산 분석 플랫폼을 통해 모든 생산 라인의 시스템 상태를 한눈에 확인하거나 생산 데이터를 세부적으로 분석할 수 있습니다. 품질 관리 시스템을 통해 과거 데이터를 분석하고, 현재 검사 데이터를 실시간으로 모니터링하며, 생산 공정의 향후 추세를 파악할 수 있습니다.


생산 최적화

대시보드를 통해 생산 라인과 제품 데이터를 현장 또는 원격으로 비교하여 최적화를 위한 핵심 인사이트를 얻을 수 있습니다. 이를 통해 가치 사슬 전반에 걸쳐 정보에 입각한 전문적인 의사 결정을 내릴 수 있어 제품 품질과 수익성을 높일 수 있습니다. 최적화 조치의 진행 상황을 지속적으로 추적하고 시각화된 고급 리포트를 통해 이를 제시할 수 있습니다


생산 결함 조기 발견

실시간 상태 정보와 자동 알림을 통해 생산의 모든 단계에서 임계값 위반의 원인을 감지하고 신속하게 파악할 수 있습니다. 그 결과 생산 결함을 신속하게 해결하고 가동 중단 시간을 단축하며 생산 비용을 절감할 수 있습니다.


예측 유지보수

센서와 모니터링 시스템의 실시간 데이터를 분석하여 잠재적인 시스템 장애를 예방할 수 있습니다. 이를 통해 정해진 일정에 따르지 않고 기계의 실제 상태를 기반으로 유지보수를 사전에 계획할 수 있습니다. 이러한 데이터 기반 접근 방식은 다운타임을 줄이고 전반적인 생산성을 높임으로써 비용을 절감할 뿐만 아니라 생산 라인 수명을 연장합니다.

Your Benefits 이점

  • 시간을 절약하 수 있는 multi-line overview, 모든 품질 관련 정보를 한 번에 볼 수 있는 One view 시스템
  • 시스템 상태 데이터 모니터링으로 다운타임 최소화
  • 품질 데이터 모니터링으로 품질 문제에 대한 신속한 대응
  • 생산 결함의 신속한 제거, 생산 비용 절감
  • 유지보수 개선으로 다운타임 감소, 전체 생산성 향상 및 생산 라인 수명 연장

Key features 특징

생산 데이터 및 공장 상태에 대한 Overview

웹 기반 솔루션 (클라이언트 소프트웨어 설치 필요 없음)

사업부 중심의 대시보드, 고객별 맞춤 설정 가능

실시간 데이터에서 얻은 Live 로 인사이트 확보

임계값 모니터링 및 경고

관련 타사 데이터 통합 가능 및 고객 시스템으로 데이터 내보내기 가능

Customer service & training 고객 서비스 & 교육


생산 시스템의 효율적이고 미래 지향적인 운영을 위해 우수한 자격을 갖춘 서비스팀이 모든 문제에 대해 전 세계적으로 고객을 지원합니다. 연중무휴 24시간 신속하고 안정적으로 시스템의 구현, 유지보수 및 서비스는 물론 분석 및 최적화를 제공합니다.

서비스 센터를 방문하여 맞춤형 서비스 솔루션을 요청하세요.

또한 유능한 트레이너를 통해 시스템 운영자, 제품 엔지니어 및 품질 관리자가 진정한 검사 전문가가 될 수 있도록 직원들에게 항상 최신 지식을 제공하는 방법을 알아보시려면  ISRA 아카데미를 방문하세요.

ISRA 아카데미를 방문하여 개별적이고 확장 가능한 교육을 예약하십시오..



Contact us

Jennifer Kirstein


Albert-Einstein-Allee 36-40
45699 , Herten