Positioning Stop for Vise – 3D Printing Saves the Day

In precision machining, especially when working with a coordinate table for drilling, milling, and other operations, it’s crucial to ensure repeatable, precise positioning of parts. The positioning stop for vise is a simple but highly effective tool that helps achieve accurate and repeatable placement of workpieces in the vise. It’s perfect for mass production and any task where high precision is needed when repeating part positions.

Why is this needed?

This positioning stop eliminates guesswork and randomness when setting up parts. This is especially important when working with multiple identical parts that require precise placement for subsequent operations. The stop allows the part to be fixed in the exact position, which is essential for achieving high accuracy during machining.

How does the stop work?

The device is very simple and easy to make using a 3D printer. To create it, you’ll need:

• A 3D printer (to print the main part of the stop)
• Three screws (2x M3x18 and 1x M4x20)
• Nuts for embedding and a T-nut for fixing the stop to the coordinate table (I used an M4 screw and T-nut for a 30mm profile)
• One cylindrical pin (diameter 4mm x 30mm, which will serve as the pin to stop the part)

All of these parts together form a very sturdy tool that perfectly serves its purpose when installing a part into the vise. The cylindrical pin that secures the part ensures it is positioned precisely for drilling, milling, and other operations.

Why should you use this stop?

• Repeatability: If you’re working with several identical parts, this stop ensures accurate and consistent positioning for each part.
• Simplicity: It only takes a 3D printer and a few easily available components to make it.
• Versatility: While the stop is designed for use with a vise, it can be adapted for different setups and types of equipment.
• Affordability: This tool is accessible to everyone and doesn’t require expensive specialized fixtures.

Additional Information

You can see this positioning stop in action on other projects where it was used for precise positioning of parts during milling and drilling. Videos showing the manufacturing process and use of the stop have been published, and you can watch them to see how it integrates into the workflow. Watch from 6:45 in this video:

Conclusion

The positioning stop for vise is a small but extremely useful tool for anyone involved in mass machining. By ensuring precise part positioning every time, it enhances the accuracy and stability of your work, while remaining affordable and easy to make.

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Parts links below:

• eSUN eABS+HS
• Stainless Steel Cylindrical Pins
• Insert Knurled Nuts M2-M3
• T-Nut
• Hexagon socket cap head screw
• Screws 
• Button Head Screws 

Links to used tools:

• Drill Press Stand
• Vevor Cross Slide Table
• Vise for CNC Small
• Machine Screw Tap Set
• Heat Insert Nut Iron Tip

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