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Derek Korn

Derek Korn joined Modern Machine Shop in 2004, but has been writing about manufacturing since 1997. His mechanical engineering degree from the University of Cincinnati’s College of Applied Science provides a solid foundation for understanding and explaining how innovative shops apply advanced machining technologies. As you might gather from this photo, he’s the car guy of the MMS bunch. But his ’55 Chevy isn’t as nice as the hotrod he’s standing next to. In fact, his car needs a right-front fender spear if you know anybody willing to part with one.

Posted by: Derek Korn 1. July 2014

Advantages of a B-Axis Swiss-Type

The signature element of this Swiss-type machine is its B-axis milling spindle. This differs from conventional Swiss-type designs that use gang-style tools that are fixed in their orientation with the part, either perpendicular to the face or diameter of the barstock.
 

When equipped with a B-axis milling spindle, a Swiss-type lathe essentially becomes a five-axis turn-mill with the bonus of a sliding headstock. The sliding-headstock is what enables the machine to effectively turn long parts with small-diameters, while the B-axis milling spindle can approach workpieces in the machine’s main or subspindle at a variety of angles. 

Magnus Precision Manufacturing leverages this technology to produce small batches of long, complex parts. Learn more in this story.

Posted by: Derek Korn 23. June 2014

A Modular Clamping System for Bulky Parts

The FCS modular clamping system was designed to minimize setup times, enable machines to access five sides of a fixtured part and provide highly repeatable positioning so parts can be removed and accurately refixtured as needed.
 

FCS Moulds, now Elmann S.R.L.U., is an Italian moldmaker that sought to develop a standard means of fixturing mold components that would minimize setup times, enable its machines to access five sides of a fixtured part, and provide highly repeatable positioning so parts could be removed and accurately refixtured at the same zero reference points as needed. Ultimately, its goal was to increase its machines’ spindle utilization so it could be more competitive with foreign moldmakers.

The solution it developed eventually turned into a product line that’s well-suited for clamping big, bulky components. Learn how you might benefit from it.

Posted by: Derek Korn 17. June 2014

Five Go-To Machining Technologies

Toolholder assemblies for an upcoming job can be measured in seconds using a presetter, without the machine being interrupted.

 

We all know what opinions are like. That said, I thought of five pieces of ancillary machining equipment that I feel many shops can leverage to their success:

  • Tool vending systems
  • Tool presetters
  • Machine tool probes
  • High-pressure coolant delivery
  • Shopfloor CMMs

Learn why.

Posted by: Derek Korn 11. June 2014

Got “Nano-Onions?”

"Nano-onions” are spherical, nano-scale carbon structures. When blended with coolant available from Tool-X, their physical properties are said to enable the coolant to provide increased tool life and overall cutting performance when machining ferrous and nonferrous materials. Learn how.

Carbon nano-particles in the SS-500 coolant absorb and then release liquid under the pressure of cutting. In doing so, the liquid is released directly at the ideal location of the tool/workpiece interface.

Posted by: Derek Korn 9. June 2014

Retired Engineer Turns Machinist

The industrial benchtop CNC mill that Dan Rosenthal installed in his garage is no toy. It has a range of optional features, including a 10-station ATC, 60,000-rpm spindle, toolsetting probe, touch-trigger probe and fourth-axis rotary table (not installed in this photo).
 

On one hand, this story, which appears in Modern Machine Shop’s June 2014 issue, is not the normal type of feature article we run. On the other hand, it most certainly is.

The story describes how Dan Rosenthal, a retired engineer who had no machining experience, is learning to become a good machinist. He’s largely a hobby machinist working out of his garage, which is why this story is atypical for our magazine. However, he has one customer for whom he produces prototype parts. In fact, that customer is sending him increasingly difficult work, which is what has driven him to become more deft at machining.

With that said, as you read the article, you’ll find that it’s remarkably similar to other articles we’ve written that describe how production shops have leveraged technology in some way to become more effective at machining. Dan’s story is interesting in that it demonstrates how new machining technology—CAM in particular—is becoming more capable and easier to pick up and apply. And while his current goals might be different than that of a production-oriented shop, those shops can just as readily apply new technology in the same way not only to be more successful, but to grow the talent level of their existing workforce and bring new shopfloor hires up to speed more quickly. This is pretty much what Dan is doing for himself.

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