Transparent disc: Diameter 50-300 mm, Thickness 3-12 mm

Component Specifications

Definition

A precision-engineered transparent disc designed as a protective and optical interface in machine viewports, enabling operators to visually monitor internal processes, verify alignment, inspect product quality, or observe mechanical operations without exposing the system to contaminants. It maintains system integrity while providing clear visibility under various industrial conditions.

Working Principle

Operates as a transparent barrier that allows light transmission for visual access while sealing the machine environment. It utilizes optical clarity to minimize distortion and may incorporate coatings to resist scratches, chemicals, or fogging, ensuring reliable observation.

Materials

Typically made from polycarbonate (PC), acrylic (PMMA), or tempered glass. May include anti-reflective, anti-static, or anti-fog coatings. Material selection depends on required transparency, impact resistance, chemical resistance, and thermal stability.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	50-300 mm
Hardness	3H-9H (pencil scale)
Thickness	3-12 mm
Transmittance	>90%
Pressure Rating	Up to 1.5 bar
Operating Temperature	-20°C to 120°C

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

Standards

ISO 9001, DIN 3140

Parent Products

This component is used in the following industrial products

Viewport

A transparent window integrated into a vacuum chamber wall to allow visual observation of internal processes without breaking vacuum.

View Product Details

Engineering Analysis

Risks & Mitigation

Scratches reducing visibility
Chemical degradation
Thermal stress cracking
Fogging in humid environments
Impact damage from debris

FMEA Triads

Trigger: Abrasive cleaning or contact with hard particles
Failure: Surface scratches leading to reduced optical clarity and impaired inspection accuracy
Mitigation: Use soft cleaning tools, implement protective covers when not in use, and select materials with high scratch resistance

Trigger: Exposure to incompatible chemicals or solvents
Failure: Material clouding, cracking, or dissolution, compromising the viewport seal and visibility
Mitigation: Specify chemically resistant materials (e.g., polycarbonate for oils, glass for acids), provide chemical compatibility charts, and train operators on safe handling

Trigger: Rapid temperature changes or operating beyond thermal limits
Failure: Thermal stress cracks or deformation, causing leaks or complete viewport failure
Mitigation: Select materials with appropriate thermal stability, design for gradual temperature transitions, and monitor environmental conditions

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on diameter, ±0.2 mm on thickness, flatness within 0.1 mm per 100 mm

Test Method

Visual inspection per ISO 9022-2 for clarity, dimensional checks with calipers, pressure testing per DIN 28090, and chemical resistance tests per ASTM D543

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Transparent disc

Manufacturer profiles associated with Transparent disc.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What are the main materials used for transparent discs in viewports?

Common materials include polycarbonate for impact resistance, acrylic for optical clarity, and tempered glass for scratch resistance and high-temperature applications.

How do I maintain a transparent disc in a viewport?

Clean regularly with non-abrasive, industry-approved cleaners; avoid harsh chemicals; inspect for scratches or clouding; and replace if visibility is compromised or damage occurs.

Can transparent discs be customized for specific industrial environments?

Yes, they can be customized in size, thickness, material, and with coatings (e.g., anti-fog, UV-resistant, anti-static) to suit specific operational conditions like high humidity, chemical exposure, or extreme temperatures.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Transparent disc