Clamping plate positioning block — the savior of 3D printing

In precision machining, especially when using coordinate worktables for drilling, milling, and other operations, ensuring the repeatable and accurate positioning of parts is crucial. The chuck positioning block is a simple and efficient tool that helps achieve precise and repeatable placement of workpieces in the chuck. It is ideal for large-scale production and any task requiring high accuracy in the positioning of repetitive parts.

 

Why do we need it?

 

This positioning block eliminates the guesswork and randomness when setting up parts. This is especially important when dealing with multiple identical parts that require precise placement for subsequent operations. The positioning block allows parts to be fixed in a precise position, which is crucial for achieving high accuracy during the processing.

 

How do positioning blocks work?

 

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

• A 3D printer
• Three screws
• A nut for embedding and a T-nut for fixing the positioning block to the coordinate workbench
• A cylindrical pin

All these components combined together form a very robust tool that can perform its function perfectly when installing parts into the chuck. The cylindrical pins used to fix the parts ensure their precise positioning for drilling, milling, and other operations.

 

Why should we use this positioning block?

• Repeatability: If you are processing multiple identical parts, this positioning block can ensure the precise and consistent positioning of each part.
• Simplicity: It only requires a 3D printer and some easily obtainable components to make it.
• Multifunctionality: Although this positioning block is designed for use with a chuck, it can adapt to different setups and types of equipment.
• Economic: This tool is accessible to everyone and does not require expensive dedicated fixtures.

Additional information

 

You can see the actual application of this positioning block in other projects, where it is used to precisely position parts during milling and drilling processes. Videos demonstrating the manufacturing process and use of the positioning block have been released. You can watch them to understand how it integrates into the workflow. Please start watching from the 6:45-minute mark of the video:

 

 

Summary

 

The chuck positioning block is a small but extremely useful tool for anyone involved in batch machining. It ensures precise part positioning every time, thereby improving the accuracy and stability of the work, while remaining cost-effective and easy to manufacture.

 

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The link to the parts is as follows:

• eSUN eABS+HS
• Stainless steel cylindrical pins
• Embedded knurled nuts M2-M3
• T-type nut
• Hexagonal socket bolt
• Screw 
• Disc-headed screws 

Link to the tools used:

• Drill press stand
• Vevor horizontal slide
• Small CNC chuck
• Machine-use thread tap set
• Hot-melt embedded nut with iron head

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