Are you looking for the best CNC lens grinding factories in China? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll compare the top players in the industry, highlighting their strengths, specialties, and what sets them apart. Let’s dive in and find the perfect fit for your optical needs.

Optics Manufacturer in China, Precision …

CNC Optical Grinding Machines

Product Details: OptiPro offers several CNC optical grinding machines, including the PRO 80 GTS, PRO 160 GTS, eSX 150, eSX 300, eSX 400, and SXL 500. The PRO 80 GTS and PRO 160 GTS are designed for grinding spherical and aspheric lenses up to 80mm and 160mm in diameter, respectively. Both feature a vibration-isolated granite base, liquid-cooled spindles, direct drive spindles, and high torque spindle motors. The eSX 150, eSX 300, eSX 400, and SXL 500 are 5-axis machines capable of grinding a variety of optical components, including spheres, aspheres, freeform optics, and more, with diameters up to 150mm, 300mm, 400mm, and

500mm respectively. These machines use the Fagor 8065 CNC with user-friendly G Series software and offer features like automatic tool and workpiece probes, twin spindles, and automatic tool changers.

Pros:
– High precision and thermal stability due to vibration-isolated granite or meehan…
– Efficient grinding with liquid-cooled spindles and direct drive spindles
– High torque spindle motors for more cutting power
– Easy-to-use GUI with step-by-step process driven software (G Series)
– Quick tool change and precision tool registration with HSK 63 quick-change holde…
– Energy efficiency with servos that turn off automatically
– Capability for CAM driven manufacturing of off-axis and non-rotationally symmetr…
– Automatic curve correction using spherometer radius measurement input
– Optional features like twin spindles, automatic tool changers, and mist removal

Cons:
– Limited maximum plano diameter for medium and large production quantities, requi…
– Higher weight and larger footprint for larger models like the eSX 400 and SXL 50…
– Specifications subject to change, requiring periodic checks for updates
– Additional features may be optional, adding to the overall cost

Spherical Lens Manufacturing – Apexel

Product Details: Apexel Optics manufactures various types of high-precision spherical lenses, including Plano-Convex (PCX), Double-Convex (DCX), Plano-Concave (PCV), Double-Concave (DCV), Positive Meniscus, and Achromatic lenses. The lenses can be customized in sizes ranging from 2.0mm to 300mm. Key specifications include outer diameters from ∅2 to ∅500 mm, diameter tolerances of +0.0/-0.2 mm (general) and +0.0/-0.02 mm (high precision), and paraxial focal length tolerances of ±2%. The lenses are made from Schott, Ohara, and CDGM glass types and can be coated with anti-reflective (AR), high-reflective (HR), or partially reflective (PR) coatings. The manufacturing process includes CNC polishing, high-speed polishing, and asphalt polishing.

Pros:
– High-precision manufacturing with tight tolerances
– Customization options for various sizes and coatings
– Rapid sample customization and competitive output quantities
– Wide range of lens types available, including achromatic lenses
– High-quality surface finish with low surface roughness and waviness

Cons:
– High precision requirements may increase production costs
– Limited to rotational symmetry, unlike aspheric lenses
– May not be suitable for applications requiring extreme aspheric shapes
– Centering accuracy may not meet all high-accuracy requirements without additiona…

Precision Optics MachineProducts

Product Details: FULAN OPTICS MACHINE CO., LTD. specializes in manufacturing precision optics machines, including sawing & rolling, generating & centering, sphere/plane grinding & polishing, sphere/plane lapping & polishing, and cylindrical grinding & polishing machines. These machines are used for various applications such as optics, electronic materials, and ophthalmic products. The company offers a range of machines designed for different stages of the manufacturing process, from initial cutting and shaping to final polishing and finishing.

Pros:
– Specialized in precision optics machine manufacturing
– Wide range of machines for different manufacturing stages
– Applicable to various industries including optics, electronic materials, and oph…

Cons:
– No specific details on machine performance or efficiency
– No information on pricing or customer support available on the webpage

China CNC Optical Grinding Machine Manufacturers …

Product Details: The CNC optical grinding machine is designed for precision grinding of various optical components, including spheres, aspheres, freeform optics, and more. It typically features 5 controllable axes (X, Y, Z, B, C) with up to 5 axes of simultaneous movement. The machine is equipped with advanced CNC control systems, such as the Fagor 8065 or Siemens Sinumerik, and user-friendly software for step-by-step process control. Key specifications include a wide workpiece diameter range (e.g., 5-150 mm or 5-400 mm), high spindle speeds, and advanced tool and work spindles with quick-change holders.

Pros:
– High grinding efficiency and repeatability
– Excellent surface quality after grinding
– Full 5-axis machining capability for complex geometries
– Easy-to-use graphical user interface and step-by-step process driven software
– High accuracy tool and work spindles with liquid cooled and direct drive spindle…
– Automatic tool and workpiece probing for in-process monitoring
– Optional features like automatic tool changers, mist removal, and coolant filtra…

Cons:
– Large machine dimensions and weight, requiring significant space and handling
– High power consumption and specific air supply requirements
– Potential need for additional training due to complex operation and advanced fea…
– Optional features may add significant cost to the base machine
– Machine weight and size can limit mobility and flexibility in smaller production…

Aspheric Lenses Supplier in China

Glass Double-Sided Polishing/Fused Silica CNC …

Video Library

Product Details: Shanghai Optics offers a range of custom optical components and assembly services. The video library showcases their manufacturing processes, including the Single Point Diamond Turning Process for producing superior optical surface finishes, and the assembly of optical mechanical bodies. They utilize advanced technologies such as the Sidai SPCM-M1 for high precision concentric lens components and multiple stage inspections by optical engineers to ensure high quality products. The company also provides various coatings including anti-reflective, high reflective, and partial reflective coatings, and employs techniques like automatic lens edge blackening to reduce stray lights.

Pros:
– High precision manufacturing using advanced technologies like Single Point Diamo…
– Multiple stage inspections by optical engineers to ensure high quality products.
– Ability to produce custom optics with various coatings (anti-reflective, high re…
– Use of automatic lens edge blackening to reduce stray lights.
– Rapid prototyping and reduced product life-cycles.

Cons:
– No specific cons mentioned in the video library section, but high precision and…
– Complex manufacturing processes might require specialized knowledge and equipmen…

Grinding

Product Details: OptoTech offers a comprehensive range of grinding machines for optical components, including spheres, aspheres, free-form surfaces, plano optics, cylindrical optics, and prisms. These machines are designed for high-precision grinding, from the smallest endoscope optics to large astro mirrors. The product range includes various models tailored to different applications, ensuring the right solution for diverse optics production needs.

Pros:
– Comprehensive product range for various optical components
– High-precision grinding capabilities for a wide range of optics
– Suitable for both small and large optics, including endoscope optics and astro m…
– Advanced technology for processing different types of optical surfaces

Cons:
– No specific details on individual machine models or their unique features on thi…
– Requires additional research to determine the exact specifications and capabilit…

CNC Polishing for Optical Precision

Product Details: Yudi Optics’ CNC polishing technology is designed for rapid mass production of optical components. It integrates intricate designs, superior precision, and cost-effectiveness, making it widely used in common optic production. This method leverages computer numerical control (CNC) machines to automate the polishing process, allowing for high precision and efficiency. CNC polishing is particularly effective for producing large quantities of optical components with complex geometries and high surface quality.

Pros:
– Excels in rapid mass production
– Seamlessly integrates intricate designs and superior precision
– Cost-effective
– High efficiency in producing large quantities of optical components

Cons:
– May not be as flexible for various shapes as traditional polishing methods
– Requires specific setup and calibration for different materials and specificatio…

Comparison Table

Company	Product Details	Pros	Cons	Website
Optics Manufacturer in China, Precision …				chineselens.com
CNC Optical Grinding Machines	OptiPro offers several CNC optical grinding machines, including the PRO 80 GTS, PRO 160 GTS, eSX 150, eSX 300, eSX 400, and SXL 500. The PRO 80 GTS an…	– High precision and thermal stability due to vibration-isolated granite or meehan… – Efficient grinding with liquid-cooled spindles and direct driv…	– Limited maximum plano diameter for medium and large production quantities, requi… – Higher weight and larger footprint for larger models like the…	www.optipro.com
Spherical Lens Manufacturing – Apexel	Apexel Optics manufactures various types of high-precision spherical lenses, including Plano-Convex (PCX), Double-Convex (DCX), Plano-Concave (PCV), D…	– High-precision manufacturing with tight tolerances – Customization options for various sizes and coatings – Rapid sample customization and competiti…	– High precision requirements may increase production costs – Limited to rotational symmetry, unlike aspheric lenses – May not be suitable for applica…	www.apexeloptic.com
Precision Optics MachineProducts	FULAN OPTICS MACHINE CO., LTD. specializes in manufacturing precision optics machines, including sawing & rolling, generating & centering, sphere/plan…	– Specialized in precision optics machine manufacturing – Wide range of machines for different manufacturing stages – Applicable to various industries…	– No specific details on machine performance or efficiency – No information on pricing or customer support available on the webpage	www.opticsmachine.com
China CNC Optical Grinding Machine Manufacturers …	The CNC optical grinding machine is designed for precision grinding of various optical components, including spheres, aspheres, freeform optics, and m…	– High grinding efficiency and repeatability – Excellent surface quality after grinding – Full 5-axis machining capability for complex geometries – Ea…	– Large machine dimensions and weight, requiring significant space and handling – High power consumption and specific air supply requirements – Potent…	www.perfectoptics.net
Aspheric Lenses Supplier in China				chineselens.com
Glass Double-Sided Polishing/Fused Silica CNC …				www.raytekoptics.com
Video Library	Shanghai Optics offers a range of custom optical components and assembly services. The video library showcases their manufacturing processes, includin…	– High precision manufacturing using advanced technologies like Single Point Diamo… – Multiple stage inspections by optical engineers to ensure high…	– No specific cons mentioned in the video library section, but high precision and… – Complex manufacturing processes might require specialized knowl…	www.shanghai-optics.com
Grinding	OptoTech offers a comprehensive range of grinding machines for optical components, including spheres, aspheres, free-form surfaces, plano optics, cyli…	– Comprehensive product range for various optical components – High-precision grinding capabilities for a wide range of optics – Suitable for both sma…	– No specific details on individual machine models or their unique features on thi… – Requires additional research to determine the exact specificat…	www.optotech.net
CNC Polishing for Optical Precision	Yudi Optics’ CNC polishing technology is designed for rapid mass production of optical components. It integrates intricate designs, superior precision…	– Excels in rapid mass production – Seamlessly integrates intricate designs and superior precision – Cost-effective – High efficiency in producing lar…	– May not be as flexible for various shapes as traditional polishing methods – Requires specific setup and calibration for different materials and spe…	www.yudi-optics.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About CNC Lens Grinding Factories in China

What types of materials can CNC lens grinding factories in China work with?

CNC lens grinding factories in China can work with a wide range of materials, including various types of optical glasses, fused silica, crystalline materials like MgF2 and CaF2, and even specialized materials such as quartz, silicon, CaF2, BaF2, ZnS, and ZnSe. This versatility allows them to cater to diverse application needs, from simple lenses to complex optical components.

What is the precision and accuracy of CNC lens grinding in these factories?

The precision and accuracy of CNC lens grinding in Chinese factories are highly advanced. For example, some factories can achieve diameter tolerances as tight as ±0.02 mm and surface finishes with roughness as low as 0.4 nm. The alignment and hole location accuracy can also be as precise as ±5 um, ensuring high-quality optical components.

Can these factories handle both small and large production runs?

Yes, many CNC lens grinding factories in China are capable of handling production runs of all sizes, from prototypes to large-scale manufacturing. They offer flexible and reliable production processes, maintaining top-tier quality regardless of the quantity. This makes them suitable for a wide range of projects, whether you need a few lenses for prototyping or thousands for full-scale production.

What kind of coatings and additional treatments can these factories provide?

These factories often have in-house coating labs that can apply various coatings, including anti-reflective, dielectric max reflector, and metallic reflector coatings. They also offer other treatments such as double-sided lapping and polishing, ensuring that the lenses meet the specific requirements of your application.

How do these factories ensure quality and reliability?

Chinese CNC lens grinding factories often adhere to strict quality standards, such as ISO 9001:2015 certification. They use advanced metrology equipment, like Zygo interferometers and Zeiss CMMs, to ensure precise measurements and quality control. Additionally, many of these factories have decades of experience and a strong commitment to customer-centric solutions, guaranteeing consistent quality and reliability in their products.