Enclosures and housings
Molex 51227-0800 Test Fixture Adapter
- Bounding box
- 30.0 × 20.0 × 12.0 mm
- Engine
- Precision B-rep
- Parameters
- 15
- Published
- October 21, 2026
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Free to download and use. See the terms.
The prompt
Create a parametric mechanical 3D solid model (B-Rep STEP format) of a test fixture adapter designed for a Molex 51227-0800 connector housing (8 positions, 2.0 mm pitch, single row). The fixture must contain the following features: 1. Negative Guide: Create a tight-fitting female socket cavity (negative guide) that perfectly encloses the male Molex 51227-0800 plug housing to ensure absolute alignment. Include 0.1 mm tolerance clearance on all sides of the housing walls for smooth insertion. 2. Probe Channels: Design 8 cylindrical alignment channels spaced exactly at a 2.0 mm pitch in a single row, corresponding to the connector's pins. 3. Centric Alignment: Each channel must guide a PTR 2021-G test probe (press-ring diameter 2.0 mm, tip diameter 2.0 mm). The channels must align the test probes perfectly centered onto the Molex 56086-8000 male crimp terminals inside the plug. 4. Press-Fit Hersch: Include a press-fit collar step within each channel to securely hold the test probe barrel at its designated installation depth. Ensure the output is a solid geometry with manifold edges, suitable for manufacturing and direct import into professional CAD software.
Parameters
| Name | Value | Range |
|---|---|---|
| Number of Positions | 8 positions | 2 – 20 |
| Pitch | 2 mm | 0.5 – 10 |
| Housing Length | 16 mm | 5 – 100 |
| Housing Width | 4.6 mm | 2 – 30 |
| Housing Height | 4.5 mm | 1 – 30 |
| Clearance per Side | 0.1 mm | 0 – 1 |
| Press Ring Diameter | 2 mm | 0.5 – 10 |
| Tip Diameter | 1.5 mm | 0.2 – 5 |
| Barrel Diameter | 1.5 mm | 0.2 – 5 |
| Press-Fit Interference | 0.05 mm | 0 – 0.5 |
| Barrel Clearance | 0.05 mm | 0 – 0.5 |
| Counterbore Depth | 5 mm | 0.5 – 20 |
| Fixture Length | 30 mm | 10 – 200 |
| Fixture Width | 20 mm | 10 – 100 |
| Fixture Height | 12 mm | 5 – 100 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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