MICROMACHINING

Micro-Drilling Calls for Considerations

“Tiny” usually comes to mind when the term “micro” is used. So it is easy to assume that micromachining equates to very small parts found in the medical and electronics manufacturing industries.

Holemaking

Does Small-Hole Drilling Demand a Fast Spindle?

A reader with a 10,000-rpm drill press can drill a 0.019-inch hole in stainless, as long as all the contributors to runout are controlled.
#micromachining

Toolholders

How Do You Get The Cutting Parameters Right For Small End Mills?

A reader recently asked about speed, feed rate and depth of cut when using small tools in steel.
#micromachining

Cutting Tools

Using Small End Mills In Steel Without Breaking

A reader wants to mill with small tools on a straightforward VMC used for full-sized work. MMS Online’s micromachining expert offers advice.
#micromachining

Holemaking

Coolant And Center-Drilling Considerations For Machining Small Holes

Through-spindle coolant is good if you can get it, but the spot drilling might not be necessary. Try a pilot hole instead?
#metalworkingfluids #micromachining

Aerospace

What is the Best Process for Micro-Deburring?

Various techniques address the challenge of getting a clean machined feature at microscopic scales.
#micromachining

Toolholders

How Do You Machine a 30:1 Hole in Stainless Without the Drill Wandering?

An expert in micromachining says one answer is to check various aspects of the drilling process. Another answer is not to use a drill at all.
#micromachining

Cutting Tools

Thread Milling On A Tiny Scale

Machining internal threads in difficult materials is challenging, especially when hole diameters are small. Thread milling offers advantages for these applications that are important to consider.
#micromachining

EDM

Too Small To Touch

Hummingbird takes on machining work that is too small for most shops to handle. In fact, Hummingbird tries not to handle it either. To accurately machine the tiniest parts, this shop relies on processes that are as hands-off as possible.
#micromachining

HMCs

A Micro Machine Design

This machine has no toolholders and no tombstone—but there is a camera. Here are details of a machining center designed for micromachining.
#micromachining