Description

Product Overview (Introduction)

Engineered for high-stakes industrial environments, our Custom CNC Machined Precision Circular Locating Fixture Base serves as the critical structural backbone for automation modules, optical systems, and robotic fixtures. This precision-machined component integrates a circular load-bearing platform with multi-axis locating tabs and a central fastening interface, ensuring absolute repeatability and rigidity during high-speed operations.

Manufactured under stringent ISO quality standards, this fixture base is the optimal solution for OEMs requiring a reliable, fully custom mounting interface that seamlessly integrates with existing motion control systems.

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Application Scenarios

This Precision Circular Locating Fixture Base is a highly versatile functional component, specifically designed to support, position, and fasten cylindrical components or sub-assemblies. Typical applications include:

• Automation & Robotics: Precision mounting base for end-of-arm tooling (EOAT), rotary actuators, and servo motor assemblies.

• Semiconductor & Optical Equipment: Clamping base for optical lenses, laser modules, and wafer inspection sensors.

• Motion Control Systems: Interface base for linear stages, rotary tables, and XY positioning platforms.

• Industrial Vision Systems: Secure mounting platform for camera housings and light source modules.

• Medical Device Manufacturing: Support base for precision diagnostic modules and fluidic handling systems.

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Material Analysis (CNC Machining Services)

Choosing the right material is crucial for the durability and precision of the fixture base. Our in-house engineering team provides a comprehensive range of materials to match your operational requirements:

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Tolerance Capabilities

We specialize in high-precision custom machining. To ensure the flawless fitment of your Circular Locating Fixture Base, we offer strict tolerance control:

• Standard Machining Tolerance: ±0.01 mm (0.0004 inches)

• High-Precision Tolerance: ±0.005 mm (0.0002 inches)

• Surface Roughness (Ra): 0.8 μm – 3.2 μm (Standard); 0.4 μm (Mirror/Polished finish for optical interfaces).

• Geometric Tolerances (GD&T): True position within 0.02 mm, Circularity within 0.01 mm, Flatness within 0.005 mm on locating surfaces.

• Inspection Method: 100% dimensional inspection using CMM (Coordinate Measuring Machines) and high-resolution optical inspection equipment.

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Manufacturing Challenges & Solutions

Despite its seemingly simple geometry, manufacturing this Precision Locating Fixture Base involves significant precision engineering challenges:

1. Concentricity of the Central Hole and Outer Profile

• Challenge: Ensuring the central fastening hole and the outer locating arcs are perfectly concentric to prevent radial run-out.

• Our Solution: We utilize 4-axis and 5-axis CNC machining centers to maintain datum alignment in a single clamping operation, ensuring flawless concentricity.

2. Complex Locating Features & Burr Removal

• Challenge: The multi-lobed outer profile (locating tabs) often creates sharp internal corners and microscopic burrs that can affect part accuracy or cause injury during assembly.

• Our Solution: Utilization of specialized micro-end mills for tight corners, followed by advanced deburring processes (thermal, manual, and tumble) and edge chamfering to ensure smooth, safe, and precise interfaces.

3. Machining Distortion & Stress Relief

• Challenge: Aluminum alloy, when machined heavily, can warp due to internal stress release, ruining the flatness of the locating face.

• Our Solution: Stress-relieving heat treatment before final machining, coupled with sequential roughing and finishing passes to release internal stresses and lock in dimensional stability.

4. The “Datum” Connection

• Challenge: The two symmetrical threaded holes must be perfectly perpendicular to the bottom locating plane to ensure a flush, tight fit.

• Our Solution: Dedicated precision fixtures are used to thread-tap and face these features, guaranteeing a 100% secure, wobble-free connection.

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FAQ (Frequently Asked Questions)

Q: What is the minimum order quantity (MOQ) for this custom part?
A: We offer flexible MOQs. For standard materials (like Aluminum 6061), we accept prototypes as low as 1-5 pcs. For mass production, MOQ typically starts at 100 pcs to optimize cost efficiency.

Q: Can you provide a fully finished product with anodizing or plating?
A: Absolutely. We provide a wide range of surface finishing services, including Clear/Black Anodizing, Hard Anodizing, Powder Coating, Nickel Plating, and Bead Blasting. We recommend Clear or Black anodized finish for this Aluminum base to prevent scratches and enhance corrosion resistance.

Q: What is the standard lead time for this Custom CNC Machined Base?
A: For standard prototypes, the lead time is approximately 5-7 working days. For bulk production orders, the lead time varies between 15 to 25 working days, depending on the specific quantity and surface treatment requirements.

Q: Can you help with design optimization if I only have a rough idea?
A: Yes. Our team of expert mechanical engineers provides full DFM (Design for Manufacturing) assistance. We can analyze your CAD files, optimize tolerances, and recommend the most cost-effective materials and machining strategies.

Q: How do you ensure the flatness of the locating surface?
A: We utilize strict secondary clamping fixtures for the finishing pass and inspect the final flatness using a CMM (Coordinate Measuring Machine) to guarantee the required 0.005 mm flatness on the locating interface.

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Product Specification Table (CNC Machining Services)