Automated Lens Mounting Fixture

Product Specifications

Technical details and manufacturing context for Automated Lens Mounting Fixture

Definition

The Automated Lens Mounting Fixture is a critical component of the Precision Optical Lens Inspection and Measurement System. Its primary role is to provide automated, repeatable, and secure handling of optical lenses during the mounting phase prior to inspection. It ensures lenses are held in a precise, predefined orientation and location, eliminating manual handling errors and enabling high-throughput, automated measurement workflows. It interfaces with robotic arms or conveyors to receive lenses, clamps them without inducing stress or contamination, and presents them correctly to subsequent inspection stations such as interferometers or imaging systems. The fixture is designed for use in computer, electronic, and optical product manufacturing environments. It is a component-level product, typically integrated into a larger inspection system. The fixture operates via pneumatic or servo-electric actuation, using precision alignment pins or optical sensors to confirm lens position, then compliant clamping jaws or vacuum chucks secure the lens periphery without contacting critical optical surfaces. Fine-adjustment mechanisms, such as tip-tilt stages, achieve micron-level positioning accuracy. A control system, often integrated with the main inspection PLC, coordinates clamping force, position verification, and handshake signals with upstream and downstream modules. The fixture is constructed from materials such as stainless steel (304/316), anodized aluminum alloy, and engineering plastics like PEEK or Delrin. Key parameters include operating pressure of 1.0–1.6 MPa, clamping force of 500–2000 N, positioning accuracy of ±0.01 mm, repeatability of ±0.005 mm, lens diameter range of 5–50 mm, cycle time of 2–5 seconds, supply voltage of 24 V DC ±10%, operating temperature of 5–40 °C, ingress protection of IP54–IP65 (per IEC 60529), and weight of 15–25 kg. The footprint is 300x200x150 mm. These values are reference ranges and must be verified for the specific model and application. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The fixture typically operates via a pneumatic or servo-electric actuation system. Upon receiving a lens from a feeder or robot, precision alignment pins or optical sensors confirm the lens's rough position. Actuators then drive compliant clamping jaws or vacuum chucks to secure the lens periphery without contacting critical optical surfaces. The fixture may include fine-adjustment mechanisms (e.g., tip-tilt stages) to achieve micron-level positioning accuracy as required by the inspection system's metrology head. A control system, often integrated with the main inspection PLC, coordinates the clamping force, position verification, and handshake signals with upstream and downstream modules.

Common Materials

Stainless Steel (304/316), Anodized Aluminum Alloy, Engineering Plastics (e.g., PEEK, Delrin)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clamping Force	500–2000 N	Adjustable per lens size
Positioning Accuracy	±0.01 mm	Critical for optical alignment
Repeatability	±0.005 mm	Ensures consistent mounting
Lens Diameter Range	5–50 mm	Standard range; custom sizes available
Cycle Time	2–5 s	Per lens mounting cycle
Supply Voltage	24 ±10% V DC	For solenoid valves and sensors
Operating Temperature	5–40 °C	Non-condensing environment
Ingress Protection	IP54–IP65	Dust and splash proofIEC 60529
Material	Aluminum 6061, Stainless Steel 304	Corrosion resistantASTM B221, ASTM A276
Weight	15–25 kg	Depends on configuration
Footprint	300x200x150 mm	Length x Width x Height

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Base Frame Part
Provides rigid structural foundation and mounting points to the inspection system.

Material: Aluminum Alloy
Clamping Mechanism (Jaws/Chuck)
Actuated components that make contact with the lens edge to hold it securely.

Material: Stainless Steel with Polymer Tips
Actuator (Pneumatic Cylinder/Servo Motor)
Provides the motive force to open/close the clamping mechanism.

Material: Steel, Aluminum
Position Sensor
Detects the presence and rough position of the lens for the control system.

Material: Plastic, Electronic Components
Fixture Control System
Sets clamping force, verifies position, and handshakes with the upstream and downstream modules.
Alignment Pins Optional
Give a mechanical rough-position reference where optical sensing is not used.
Tip-Tilt Stage Optional
Fine-adjusts lens tilt to reach micron-level alignment for the metrology head.

Manufacturers of Automated Lens Mounting Fixture

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Frequently Asked Questions

What is the primary function of the Automated Lens Mounting Fixture?

It automatically holds, positions, and secures optical lenses during the mounting phase before inspection, ensuring precise orientation and location to enable automated measurement workflows.

How does the fixture avoid damaging optical surfaces?

It uses compliant clamping jaws or vacuum chucks that contact only the lens periphery, not the critical optical surfaces, and applies controlled clamping force to avoid stress or contamination.

What are the typical operating pressure and clamping force ranges?

The operating pressure is typically 1.0–1.6 MPa, and the clamping force is adjustable from 500 to 2000 N, depending on lens size.

What is the positioning accuracy and repeatability?

The positioning accuracy is ±0.01 mm, and repeatability is ±0.005 mm, ensuring consistent mounting for precise inspection.

Data Basis

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pressure:	Max 0.5 bar clamping force, vacuum hold-down optional
other spec:	Lens diameter range: 5-150mm, positioning accuracy: ±2μm, cycle time: 3-8 seconds
temperature:	+5°C to +40°C

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