What is Micro-Machining or Micro Drilling?
Micro-machining and micro drilling isn’t just about making things in miniature. There are many medical and electronic applications that require machining in miniature, but you may also need to do some ultra fine drilling as part of a larger work piece.
Micro-machining and micro drilling, as the terms are used in most machine shops, is anything that is generally 2.5 mm or less. As machining technology improves, smaller and smaller drilling sizes are achieved. If your shop is thinking of using micro-machining tools, you need to keep several key factors in mind.
Make Sure You Have the Right Equipment
To effectively micro-machine, you needa feed with high sensitivity. Spindles must operate with high speed (generally 2000 to 4000 rpm) and low dynamic run-out. Evaluate your equipment's capabilities to see if it is up to micro machining. If it isn't you will need to invest in specialized machines.
Make Sure You Have the Tool for the Material
Like in all machining operations feeds and speeds are critical. But it is also critical that you match the correct drill tool to the material. To micro-drill, the tool edges must be very sharp and the surface finish must be ultra fine. Don't use too much force to evacuate the chips. Use a mixture of air and lubricant as you drill to evacuate the chips.
Hand Clamping Versus Automated Tool Changing
The toolholding technology for your micro drills is as important to the operation as the machine tool itself. The toolholder and spindle must deliver the drill to the work with ultra precision. Automated toolchanging may not be the best way to accomplish this. Hand clamping the collet to the spindle can be time consuming. To work efficiently, you need an efficient micro-drill adapter. The Tool Company
Accu Feed Micro Drill Adapter
The AF22 Micro Drill Adapter
by Sierra American is the accu feed answer for efficient micro drilling. It simply outperforms all others.
It has a 1/2” shank and is perfect for straight shank applications. It is manufactured in the USA from
hardened and ground steel. The hardened drive-pin design avoids the weakening and expanding that is so common on the “C” clip design style. If you don’t want problems with the collets holding your tool, you want the Micro Drill Adapter. Features include:
- Double shielded bearings
- “O” tapper fits keyed or keyless chucks
- 5 Year Warranty
Sierra American makes the one of the most accurate micro drill adapters sold. That's why The Tool Company
is proud to carry it. We know that you get a superior tool and you save money when you use the AF22. In addition to superior Made in the USA workmanship, you get a smooth fingertip operation to reduce the number of broken drills. For every drill that doesn't break, you save money.
When You are Ready for Micro-Machining
When you are ready for micro-machining, let The Tool Company help. Order the AccuFeed micro drill adapter. If you have questions, just Contact Us
. We will be more than happy to answer your questions on this or any of our tools.