Chris Koepfer

Chris Koepfer has been involved in metalworking for 30 years. His first 14 were in the machine tool group at Cincinnati Milacron where he honed his technical writing skills in turning, machining and grinding before joining Modern Machine Shop in 1992 as an associate editor. In 2001, he helped found MMS’ sister publication Production Machining, which speaks to the precision machined parts segment of the industry. Chris is graduate of Xavier University in Cincinnati, as are three of his four children, and an XU basketball fan—which can be as daunting as working in metalworking, he says.

Posted by: Chris Koepfer 16. April 2015

Hardinge and Marubeni Showfloor Demos at PMTS 2015


Each day at PMTS 2015, several exhibitors have scheduled product demonstrations in their booths. On Wednesday, April 22, Harding Inc. and Marubeni Citizen-Cincom Inc. welcome visitors to see the machines they have on display go through their paces.

At 11:30, Marubeni Citizen-Cincom will fire up the six machines and five auto-loading bar feed systems on display in its Booth 315. All of the machines will be in full production mode to demonstrate lights-out, continuous production capability.

For fixed headstock turning, Miyano is also included in the machine mix. New for PMTS is the Citizen laser system, L2000, combining conventional Swiss-type turning and laser machining on a single platform.    

Hardinge plans to feature two if its latest products in Booth 501 at 1:30 p.m. on Wednesday. The featured machines are the Conquest H51SP turning center and the Bridgeport Conquest V1000 CNC vertical machining center. Many shops are adding milling capability to their traditional precision turning operations, and these machines complement each other for that purpose. Additionally, the company’s workholding products will be on display and technical experts will be on hand for application discussions. 

Posted by: Chris Koepfer 9. April 2015

Happy Days at Haas

A good and informative time was had by all at the 2015 edition of HaasTec. 

Last month, Haas Automation held Haas Tech open house at its Oxnard, California, headquarters. By all accounts, it was a huge success. The 4-day event drew 3,300 visitors from North America and 48 countries with more than 330 students. Attendees were treated to machine demonstrations involving 20 machines along with extensive tours of the 1 million square-foot facility. Of the 298 chip-making machines in the factory, 70 percent are Haas brands representing real world demonstrations.

Highlights included an autograph session from Stewart-Haas Racing’s Kurt Bush and a private Q&A meeting with him for 100 lucky attendees. In addition, 38 exhibitor booths represented major CAD/CAM, tooling and workholding manufacturers helped make the event even broader in scope.

HaasTec 2015 provided attendees an opportunity to see how the company makes its machines and rotary products, which goes a long way to show how Haas has seen such success over time. The next open house will be held in 2017. 

Posted by: Chris Koepfer 3. April 2015

Tornos and Star CNC Showfloor Demos at PMTS


Education is an important component of PMTS in Columbus. There are several education tracks available at this year’s edition, and on Thursday of the show, there are two more showfloor demonstrations that attendees can take advantage of. Check out what these exhibitors have to say.

Thursday, April 23, 10:30 a.m. | Booth 633 | Star CNC Machine Tool Corp. Showfloor Demonstration

Star CNC Machine Tool Corp. will demonstrate Productivity in an Unattended Environment. Equip your machine to succeed with minimal operator intervention. What does “Lights-Out Operation” really mean? What issues will we encounter, and what are the solutions to those issues?   

11:30 a.m. | Booth 201 | Tornos Showfloor Demonstration         

The Tornos CT 20 is the newest addition to our product line up. With up to 26 tools, five cutting axis (X1, Y1, Z1, X2, Z2) and a full C axis on the main and counter-operations.   Tornos wants to help you machine complex parts and achieve fast returns.

Posted by: Chris Koepfer 27. March 2015

Junker Grows its Grinding Line

Estefano Zselics (Zema Production Director), Rochus Mayer (CEO of the Junker Group) and Osnir Carlton (Zema Development Director) are pleased about their future cooperation.

The Junker Group is growing. From now on, the Brazilian grinding machine manufacturer Zema is part of the corporate group. Zema was founded in 1953, has more than 80 employees and manufactures CNC grinding machines with conventional grinding wheels – up until now mainly for the Brazilian market.

With the takeover, the Junker Group expands its expertise as a complete supplier in the grinding sector: The customer is now provided with CBN grinding machines, corundum grinding machines and air filters from a single supplier.

Junker machines are primarily designed for grinding with CBN. To add to its product portfolio, Junker Group has now secured a qualified majority share (more than 75 percent) in Zema. That's because the company has sophisticated solutions for grinding with corundum, for example, for machining the flange and journal on crankshafts or transmission, turbocharger and cardan shafts.

Junker CEO Rochus Mayer says this about acquiring the majority shareholding in the long-standing Brazilian company: "Now we can fulfill any customer needs, open up additional markets and supply combined production lines (CBN, corundum)."

Zema already supplies global players such as Bosch, ThyssenKrupp and Fiat in Brazil. The Brazilians now appear to have found the right partner to help them sell their grinding machine worldwide. After all, the Junker Group, with headquarters in Nordrach, Germany, does have a worldwide sales and service network that is continually growing. The Brazilians should fit right in. 

Posted by: Chris Koepfer 20. March 2015

Demos on the PMTS Show Floor


Try to be at the Tsugami/REM Sales booth (101) at 1:30 p.m. on Tuesday during PMTS. The company is planning live demonstrations for attendees featuring its line of Swiss-type and multitasking machines.

Included is the SS327-5AX, a seven-axis, 32-mm Swiss with a programmable, servo-driven B axis for complete machining of complex parts. For contouring operations, the B axis and C axis can be e synchronized to cut precise angles and sculpted contours.

Demos will be held throughout PMTS, but by assigning a time to shopfloor demos at this year’s show, attendees can better use their time at the show by knowing when demonstrations are being held. Tsugami will demonstrate several other models as well. Click here for more information.     

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