Automotive Cubing Fixtures

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Your Professional Automotive Cubing Fixtures Supplier

Raingo-Tech Co., Ltd., is a professional supplier of automotive checking fixtures, integrating design, manufacturing, and engineering services. With more than 18 years of experience, we provide SPC fixtures, CMM fixtures, cubing fixtures, and holding fixtures for interior and exterior automotive parts. Our products and services are trusted by OEMs and Tier 1 & Tier 2 suppliers across China, North America, Europe, and Asia.

Strong Engineering Capability

Our experienced design engineers work strictly to customer standards, GD&T, and drawings, ensuring accurate and reliable checking fixtures for production use.

Global Project Experience

We complete around 2,600 overseas fixture projects each year, with dedicated teams supporting international OEM and Tier customers efficiently.

Complete In-House Quality Control

We offer in-house CMM and laser tracker inspection, optional Gage R&R reports, and clear work instructions to ensure consistent quality and easy operation.

Flexible Material & Cost Solutions

We manufacture fixtures using steel, aluminum, or tooling board, selecting the best solution to balance cost, timing, and performance for each project.

Cubing Fixture

Automotive Cubing Fixture is manufactured as a full-size car body frame to check all the interior and exterior serial parts, it's usually made of solid aluminium and well milled to fit the welded

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Cubing Fixture Design and Manufacturing

Our team provide the all kinds cubing fixture design and manufacturing and engineering services,our engineering department can meet your needs for the design and production of complex tooling for the

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Parameter

Material	Aluminum Casting, Aluminum Alloy, Aluminum Profile, Steel, Resin.
Application	Automotive Car
Drawing Format	AutoCAD(DXF,DWG), PDF, TIF, UG, Mastercam, CAD/CAM, IGES, STEP, Catia.
Method	CNC Machining,Drilling, Milling, Turning, Lathe, Bending, Laser Cutting.
Customization Service Provided	OEM/ODM
Tolerance	±0.05mm

Advantages of Automotive Cubing Fixtures

Predictive maintenance

Identify potential issues before they cause downtime, minimizing production disruptions and maximizing equipment lifespan.

Process optimization

Analyze data to identify bottlenecks and optimize fixture design for improved efficiency and throughput.

Quality control

Implement automated inspections within the fixture, ensuring consistent product quality and reducing manual inspection costs.

Reduced lead times

Quickly adapt BIW fixtures to new production requirements, minimizing downtime and speeding up production cycles.

Reduced waste

Minimize the need for single-use BIW fixtures, promoting sustainability and reducing manufacturing waste.

Key Components of an Automotive Cubing Fixtures

Base Plate

The foundation of the fixture, typically machined from aluminum or steel for rigidity. It must provide a flat, stable reference plane (often marked with grid lines) to ensure repeatability. For large body side fixtures, cast iron or welded steel structures are used to prevent warping over time.

Locating Elements (RPS)

These are the most critical components. Using the Reference Point System (RPS), locating pins and blocks constrain the part's degrees of freedom, positioning it exactly as it will be mounted in the vehicle. Hardened steel (often HRC 55-60) is used to resist wear from repeated loading.

Clamping Units

Once located, the part must be held securely. Toggle clamps or pneumatic swing clamps are positioned at specific "net pads" to apply pressure without deforming the sheet metal. The clamping sequence is often prescribed to mimic the assembly process.

Measuring Elements

These include flush and gap blocks (checked with feeler gauges), scribing lines (for visual trim checks), and bushings for checking pins. Modern fixtures may also integrate digital readouts for critical control points.

Test Procedures After Installing the Automotive Cubing Fixtures

Step 1: Check The Alignment

Use a precision measuring tool, such as a coordinate measuring machine (CMM), to check the alignment of the fixture. Make sure all the measuring points are within the specified tolerance.

Step 2: Test The Functionality

Use a sample part to test the functionality of the checking fixture. Place the part in the fixture and check if the gauges, sensors, or other measuring devices provide accurate readings. If there are any issues, adjust the fixture or the components as needed.

Step 3: Repeat The Tests

To ensure the reliability of the checking fixture, repeat the tests several times with different parts. This'll help you identify any potential issues and ensure the fixture provides consistent results.

Ordering Process

Inquiry

Confirmation

We will provide options and finalize the design.

Payment

Upon confirmation, proceed with payment.

Sample Approval

Samples will be provided for your approval.

Production

Upon sample approval, we will begin production.

Quality Inspection

Each product undergoes a thorough quality inspection.

Shipping

We ensure timely and safe delivery.

After-sales service

Our team is always available to answer any after-sales inquiries.

Packaging and Shipping

Packaging	The checking fixture is securely mounted onto a custom wooden or metal skid. It is then wrapped in anti-corrosive VCI film and placed in a reinforced wooden export crate.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Factory

Raingo-Tech Co., Ltd was founded in 2007, headquartered in Dongguan. We operate four factories in Dongguan, Changsha, and Jakarta, with over 300 employees and an annual capacity of nearly 4,000 fixture sets.

productcate-600-450

FAQ

Q: What is the difference between a jig and a fixture?

A: While often used interchangeably, they have distinct functions. A fixture is designed to hold and locate a workpiece securely for inspection or manufacturing (like welding or assembly) but does not guide the tool. A jig not only holds the part but also physically guides the cutting or drilling tool (e.g., a drill jig guides the drill bit). In quality control, we almost exclusively use fixtures.

Q: How often should a checking fixture be calibrated?

A: Calibration frequency depends on usage volume and criticality, but a general standard is once per year. High-volume production fixtures may require semi-annual certification. Additionally, calibration should be performed immediately if the fixture is dropped, modified, or shows signs of excessive wear on locating pins.

Q: Can a checking fixture replace a CMM?

A: No, they are complementary. A CMM provides absolute certification and detailed analysis for troubleshooting or initial part approval (PPAP). A checking fixture provides speed and 100% inspection capability on the production line. The CMM is often used to certify the checking fixture itself.

Q: What's is the cubing fixture?

A: A cubing fixture, or "cube," is a full-scale, 3D reference model of a vehicle's interior and exterior, milled from solid aluminum, used by engineers and manufacturers to check the fitment and assembly of all components before mass production. It serves as a crucial quality control tool during the design and development phases, ensuring that parts and assemblies align correctly with the overall vehicle structure, identifying potential problems early, and optimizing the design for functionality and aesthetics.

Q: How is an automotive cubing fixture different from a checking fixture?

A: An automotive cubing fixture focuses on full geometry verification, while a checking fixture is often used for routine production inspection.

Q: Can automotive cubing fixtures be customized?

A: Yes, automotive cubing fixtures are fully customized based on part design, CAD data, and customer requirements.

We're known as one of the most experienced automotive cubing fixtures enterprises in China, featured by quality products and good price. Please feel free to buy automotive cubing fixtures in stock here and get quotation from our factory. We also accept customized orders.

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