Brass fittings or any other type requiring threading can be done via one of two methods—thread milling or tapping. Understanding the intricacies that differentiate these techniques is essential when deciding which process will benefit your particular production requirements.
Thread milling involves rotating a cutting tool along a workpiece’s axis in repeated motions to obtain high-quality threads precisely every time. The production of circular thread profiles is facilitated by the movement of the cutter along a helical path in thread milling. This technique is highly advantageous because it does not create chips, resulting in an efficient and tidy process. Thread milling also allows for the fabrication of threads with exceptional surface finishes and offers the possibility of customizing profile details.
In addition, deep bolt threads can be machined without interruption due to the reduced risk of chip buildup. When working with metals that are likely to create ductile threads, aluminum for example, using tapping as opposed to thread milling can lead to chip-related problems. Unlike milling, tapping utilizes a tap that works as a cutting tool which eliminates the need for complex milling machines.
Additionally, tapping proves cost-effective and is ideal when projects require quick turnarounds. When it comes to the selection of thread milling or tapping, the choice is usually dependent on specific project needs. For those projects requiring optimal precision and exactness, thread milling is a more preferable option.
This process generates neat threads with exceptionally refined accuracy levels that enable customized profiles creation effortlessly. On the other hand, supposing the project demands higher efficiency or requires less customizations, tapping would be an excellent alternative. Tapping is likewise ideal for creating shallow threads in ductile metals.
When it comes to adding threads to metal parts, manufacturers can opt for either thread milling or tapping techniques. Although thread milling is acknowledged as producing more precise threads compared to tapping, the latter is often preferred because it’s quicker and more cost-efficient.
Selecting between these two methods ultimately depends on one’s specific project requirements – weighing their respective advantages versus limitations.