September 2001 Issue
September 2001
Features
Featured articles from the latest issue of Modern Machine Shop
Tooling Triad
To build exceptionally effective extrusion dies, this shop brings together strengths in three key areas: CNC machining, EDMing and tool room operations.
Read MorePCD Tools Get Tough
Contrary to their reputation as tools reserved strictly for finish machining of non-ferrous metals, some polycrystalline diamond (PCD) cutting tools now possess the durability to handle a much wider range of applications.
Read MoreTimely Investments
When and how to acquire equipment depends on a variety of important factors.
Read MoreTurning Off-Center Diameters In One Setup
In the past, turned parts with one or more off-center hubs could not be machined in one chucking on a lathe or turning center. Typically, the part had to be rechucked in a special fixture to center the eccentric portions for turning. Parts with more than one eccentric hub required additional refixturing.
Read MorePrototypes . . . And Then Some
Turn-mill machines have made this prototype shop competitive for large-volume orders too.
Read MoreOpening Up Metrology
The current state of metrology equipment mimics the disparity of spoken languages. Proprietary operating systems, available on metrology equipment from CMMs to hand-held electronic gages, are unique to the manufacturer. Getting data from one measurement operating system into another requires translation and interpretation of the data. In many cases, just like language, some design intent and nuances of the data can get lost in translation.
Read More