Zero-Point Workholding: More than Machining Operations



Zero-point workholding has become the go-to solution for manufacturers seeking to reduce setup time, improve accuracy, and increase flexibility across their machining operations. While zero-point workholding is most commonly associated with machining centers, its actual value lies in its use beyond machining operations.

In a typical setup, DynoLock™ zero-point bases are installed directly on the machine tool table and serve as a repeatable foundation for a variety of top tooling options, including DynoGrip™ self-centering vises, ER collet chucks and top pallets. The zero-point bases allow machinists to quickly swap between different workholding setups without the need to re-indicate in or re-establish work offsets each time. This results in reduced setup time, increased spindle uptime, and improved part-to-part repeatability.

The Benefits of Zero-Point Workholding Go Beyond Machining Operations

However, the benefits of the zero-point system do not end at the machine. The same accuracy and repeatability make them ideal for non-machining operations such as inspection or CMM fixturing. With Mate DynoLock zero-point bases, you can extend the same fixture reference point throughout your entire process.

For example, after machining a workpiece in a Mate DynoGrip self-centering vise mounted on a DynoLock zero-point base, you can remove the entire vise and workpiece assembly and transfer it directly to an inspection station equipped with another DynoLock zero-point base. The self-centering vise keeps the workpiece clamped, eliminating re-fixturing and allowing accurate measurement after machining.

If inspection reveals that a dimensional adjustment is needed, return the vise to the DynoLock zero-point base in your machining center, update the offsets and re-machine the workpiece. Because Mate DynoLock zero-point bases repeat within 0.0002” (0.005mm), you can rely on the precise positioning each time you load your DynoGrip self-centering vise or other DynoGrip top tool with the workpiece installed into the DynoLock zero-point base. This repeatability allows you to eliminate unnecessary handling, reduce downtime and maintain consistency between your machining and inspection operations.

3 Benefits of Zero-Point Machining Operations

Using DynoLock zero-point bases for both machining and inspection provides three key benefits.

  1. Reduced Setup Time: Workpieces move seamlessly between machining and inspection operations.
  2. Improved Process Control: The same reference datum is maintained throughout machining and inspection, ensuring consistency across operations.
  3. Higher Throughput: Faster loading, fewer adjustments and eliminating refixturing results in fewer interruptions and less downtime between operations.

Enhance Machining Operations with DynoLock Zero-Point Bases

By using Mate DynoLock zero-point workholding beyond the machine tool, you can create a truly consistent process in which machining, inspection, and quality control are all tied to a single repeatable reference point. DynoLock zero-point bases deliver the precision, flexibility, holding force and repeatability to make that possible.

Blog Author

Austin Heisick

Austin Heisick is Global Workholding Product Manager for Mate Precision Technologies.