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CNC Glass Machining


  CNC Machining of Complex Optical Component Geometries

  Specialty Bevels, Chamfers, Counterbores, Steps, Slots, and More

  Wide Range of Materials Including Optical Glass, Ceramics, Corundum, Tungsten Carbide, and Composites

  Supported by Advanced Metrology

CNC Machine

Overview

Edmund Optics® utilizes a wide range of CNC machining equipment including ultrasonic machining and high speed cutting (HSC) technology from DMG MORI® for the machining of complex optical component geometries. CNC machines offer the highest amount of precision and flexibility when it comes to fabricating components beyond basic shapes. Our true 5-axis precision machine centers have the capability to machine lightweight structures and high aspect ratio components with specialty bevels, precision holes and inserts, and mounting interfaces. In addition to optical glass, we can machine a wide range of demanding materials including ceramics, corundum, tungsten carbide, and even composites. Some high-tech materials, such as Tungsten Carbide and composites, cannot be machined using conventional machining and can only be shaped using ultrasonic machining.

Capabilities

DMG MORI® ULTRASONIC 5-Axis Precision Machine Centers greatly reduce tool wear compared to other optics manufacturing equipment, which decreases cycle times and makes tighter tolerances achievable. They are ideal for optical components with high aspect ratios and complex geometries, such as inflected aspheres and freeforms, along with parts with bevels, holes, channels, and other features. The Precision Machine Centers can manufacture tooling for glass molding and other processes more quickly than traditional diamond turning techniques, therefore reducing lead times.

DMG MORI® ULTRASONIC Capabilities
Part Geometry Bevels, Deep Holes, Chamfers, Counterbores, Steps, Slots, Notches, and More
Dimensional Accuracy Linear: 2-8µm
Parallelism: 2µm
Concentricity: 7µm
Surface Roughness 0.5µm
Component Diameter Maximum 175mm
Materials Optical Glass, ZERODUR®, Ceramics, Corundum, Tungsten Carbide, and Composites

Manufacturing Equipment

  • DMG MORI® ULTRASONIC 5-Axis Precision Machine Centers
  • 5-Axis CNC Grinding Machines
  • 5-Axis CNC Polishing Machines
  • 3-Axis CNC Profiling Machines
  • 4-Axis CNC Slicing Machines
  • 3-Axis CNC Milling Machines

Metrology

  • Zeiss Contura G2 CMMs
  • QED ASI™ Aspheric Stitching Interferometers
  • Zygo® White Light Interferometers
  • OptiPro UltraSurf 4X 100 Non-Contact Profilometer
  • Talysurf PGI 1240 Profilometers
  • Trioptics MOT Prism Master
  • OGP SmartScope® Flash™ 302

Example Applications

CNC machined precision optical components from EO are ideal for a wide variety of applications including advanced space telescopes and liquid chromatography systems.

Advanced Telescopes

Advanced Telescopes

  • Stabilized Mirror Substrates
  • Made from ZERODUR® and Other Advanced Materials
Liquid Chromatography

Liquid Chromatography

  • Precision Glass Components
  • Complex Geometries Involving Intricate Cuts and Holes

Manufacturing Process Steps

 
CAD DESIGN AND MODELING
Manufacturing Process Steps
3D Model of Part Created
Software: Autodesk Inventor 2016
 
CAM PROGRAMMING
Manufacturing Process Steps
Toolpath created for CNC machine
Software: Mastercam 2017
 
POST PROCESSING
Manufacturing Process Steps
Program finalized in CNC program editor
Software: CIMCO edit
 
5-AXIS CNC MACHINING
Manufacturing Process Steps
Part machined following CAM program
Machine: DMG MORI® ULTRASONIC 5-Axis Precision Machine Center
 
METROLOGY
Manufacturing Process Steps
Part specificications verfied
Equpiment: Zeiss Contura G2 CMM
Bill Dover

Contact Us About this Exciting New Technology!

Please fill out the form below and Bill Dover, Director Business Development, will be in touch.

 

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