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Sphere Set

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Sphere Set Specification

Material
Stainless Steel

Processing Type
Forging

Condition
New

Technology
Precision Polished

Dimension (L*W*H)
Assorted Sizes

Power Mode
Manual

Application
Laboratory

Coating Type
Non-coated

Accessories
Wooden Case

Number of Pieces
25 Spheres

Equipment Type
Sphere Set

Surface Finish
Mirror Polished

Usage
Dimension Measurement, Calibration

Accuracy
0.01 mm

Packaging Type
Secure Wooden Box

About Sphere Set

Overview

A precision sphere model designed for transonic and supersonic wind tunnel testing, ideal for baseline drag studies, flow symmetry validation, and calibration applications. Available in multiple diameters to match test section size, the sphere provides repeatable and well-characterized aerodynamic behavior.

Key Features

Simple Geometry: Ideal for baseline and validation studies
Multiple Sizes: Scaled to suit various test sections
Optional Pressure Instrumentation: Configurable tap locations
Sting Mounted: Threaded base for quick installation
High-Precision Manufacturing

Technical Datasheet (Typical)

Geometry

Model Type: Sphere
Diameter Range: 25 mm to 300 mm (customizable)
Surface Finish: Smooth, aerodynamic-grade

Mounting

Type: Sting-mounted
Connection: Threaded base for secure and repeatable positioning

Instrumentation

Standard: Solid sphere (no taps)
Optional:

Pressure taps (quantity based on diameter)
Internal routing for pressure measurement

Performance

Mach Range: 0.8 to 3.0+ (application dependent)
Use Case: Drag benchmarking and flow uniformity checks
Repeatability: High due to symmetric geometry

Optional Features

Multi-point pressure measurement system
Custom diameters and materials
Surface coatings or finishes
Handcrafted custom models and probes

Applications

Wind tunnel calibration and validation
Drag coefficient benchmarking
Flow uniformity and symmetry studies
Educational and research experiments

Customization

Each sphere model can be custom-built to match specific tunnel sizes, instrumentation needs, and research objectives.

Exceptional Accuracy for Laboratory Calibration

The Sphere Set ensures high precision with each sphere calibrated to an accuracy of 0.01 mm. Made from premium stainless steel and mirror polished, these spheres are indispensable tools for laboratories requiring reliable dimension measurement and calibration. The assorted sizes meet a variety of measurement requirements, supporting stringent quality assurance standards.

Secure Packaging and Durability

Each sphere is thoughtfully housed in a secure wooden box, guaranteeing safety during storage and transport. The non-coated, mirror-polished stainless steel construction ensures long-term durability and resistance to wear, making them ideal for repeated laboratory use. The included wooden case serves as both a protective accessory and an organized storage solution.

FAQ's of Sphere Set:

Q: How is the accuracy of the Sphere Set maintained during repeated use?

A: Each sphere is manufactured using precision forging and mirror-polishing technologies, ensuring a consistent 0.01 mm accuracy. The use of high-grade stainless steel also reduces the risk of surface wear, allowing reliable dimension measurement over time.

Q: What are the primary applications of this Sphere Set in laboratories?

A: This Sphere Set is specifically designed for dimension measurement and calibration tasks in laboratory settings. Professionals use them for checking the accuracy of measuring instruments, verifying distances, and conducting precise calibration routines.

Q: When should I choose this Sphere Set over other calibration tools?

A: Opt for this Sphere Set when high accuracy (0.01 mm tolerance) and durability are critical for your dimension measurement tasks. It is particularly suitable for environments demanding consistent results and long-term performance.

Q: Where should the Sphere Set be stored when not in use?

A: To protect the mirror-polished surfaces and maintain calibration integrity, store the spheres in the provided secure wooden box. Keep the box in a clean, dry environment to prevent contamination or corrosion.

Q: What process is used to manufacture these precision spheres?

A: The spheres undergo meticulous forging from stainless steel, followed by mirror polishing for a superior surface finish. Accuracy is further validated through rigorous calibration and inspection processes before packaging.

Q: How do I use the Sphere Set for calibration purposes?

A: Select the sphere size matching your calibration requirement, handle with clean gloves, and use it as a reference standard during calibration operations. After use, clean the sphere and return it to the wooden box to maintain accuracy.

Q: What are the benefits of the non-coated, mirror-polished finish?

A: A non-coated, mirror-polished surface provides uniformity for precise measurements, easy cleaning, and reduces the risk of introducing extraneous material during calibration. The finish also enhances resistance to corrosion and wear, prolonging the lifespan of the spheres.

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