DMG / Mori Seiki USA, Inc.

New Machine for Production Turning
In February, PM was invited to a DMG/Mori Seiki press conference at the company’s facility in Pfronten, Germany.

Made in the USA
Mark Mohr, the recently appointed president of DMG/Mori Seiki USA, provided Production Machining with some thoughtful answers to questions about his role with the company and the new North American manufacturing plant scheduled to open in the fall of 2012.Production Machining: What is your background that led to your position as president of DMG/Mori Seiki USA?Mark Mohr: After 15 years of prior experience in the machine tool business, I joined Mori Seiki in 2002 as sales manager in the Chicago Technical Center.

Houston Technical Center Opens
A dedication and ribbon cutting ceremony took place on June 20 to mark the opening of a new joint technical center in Houston that will showcase DMG and Mori Seiki machine tools and technology for the energy and oil field industries.

New North American Manufacturing Plant
On June 22, Mori Seiki broke ground on a 200,000-square-foot factory to be situated on 14.5 acres in Davis, Calif.

No. 50 Taper Spindle
The NVX5000 Series of high-precision vertical machining centers with a No. 50 taper spindle variation provides options and applications equivalent to those of the NV5000 Series while achieving high levels of rigidity, thermal displacement stability and energy savings.  

Turn-Mill Classics
Here are trailers for some of the classic articles on turn-mill multitasking. This is a broad showing of turn-mill technology in the form of machines, processes, programming and applications.

Automatic Turning with Short Job Times
The Sprint 20 Linear production lathe is designed with a functional layout of the work area, offers driven tools and a Y axis on the main spindle.

PM News: March 2011
Cleaning Technologies Group Names New PresidentTim Piazza was named president of Blackstone-NEY Ultrasonics.

PM News: February 2011
New Engineering Manager Hanwha Machinery America has appointed David Folz as engineering manager at its Franklin, Wisconsin, headquarters.

PM News: October 2010
Live Tooling Manufacturer Opens U.S.

CNC Lathes, Machining Centers and More
The company’s Mori Seiki NT1000SZM, as well as the DMG CTX gamma 2000 TC are available.

Making Hire to Retire Work
This Canadian shop builds its succes around advanced machine tool tecnology, such as turn-mill, and an enlightened approach to employee relations.

May 2010 News
New Sales ManagerRandy Flores has been selected to lead Hurco Companies Inc.’s direct sales initiative in Southern California.

April 2010 PM News
Manager of Strategic ProgramsSeco Tools Inc. has appointed Tracie Clarke as its manager of strategic programs.

March PM News
New V.P. at Okuma AmericaJim King will join Okuma America Corporation as the senior V.P. of sales.

Turning/Milling Machine with 2 Toolholders
DMG has added a machine to its series of turning/milling centers: the CTX gamma 2000 TC with a B axis and high speed 12-station turret, two-channel control and the multi-channel programming system, ShopTurn 3G. The design permits four-axis machining on one spindle or parallel machining on the main and counter-spindle, plus a range of additional manufacturing options.

Gaining Better Sight for Productivity
American Optisurgical Inc. (AOI) products help people have a clearer view of life and their surroundings.

November 2009 News
Software Certified by Autodesk InventorGibbs and Associates’ GibbsCAM 2009 has been certified for Autodesk Inventor 2010 software under the Autodesk Inventor Certified Applications Program. Certification is granted only after a product has been thoroughly tested by internal staff at Autodesk.

Laser Highlights
The number of different laser applications is surprising, yet it continues to grow. Here's a look at a few.

Turn-Mill Centers Designed for Precision, Rigidity
DMG’s CTX beta TC and CTX gamma TC series turn-mill centers feature an integrated, moving column with a turning/milling spindle and an interpolating B axis. The machines are capable of turning workpieces ranging from 49.

CAM For Multitasking Operations
While still running a few different CAM systems in the shop, this manufacturer of aerospace and oil and gas industry components has implemented what it sees as the ideal package for programming its multitasking work.

CAM And Turn/Mill: Making More With Less
A shift in thinking has led to an overhaul of this company’s machine tools and production processes. The result has been a significant improvement in capacity that has allowed more parts to be brought in-house and more profits at the end of the day.

TUrn-Mill Center For Machining Large Parts
Designed for accuracy and flexibility, the NT6600 DCG/4000CS turn-mill center features a large Y-axis travel, a fast Z-axis rapid traverse rate and quick tool changes, the company says. With a footprint of 33.

Universal Lathe Improves Turning Capability
Peter Brotherhood (Peterborough, United Kingdom), a steam turbine manufacturer, recently discovered a bottleneck when turning a range of power-generation components. When the company implemented a Gildemeister CTX 620 V4 linear universal turn-mill center by DMG, however, the problem fixed itself.

Multi-Axis Machine With Three Turrets
Mori Seiki's NZ2000 T3Y3 is a multi-axis machine manufactured with three turrets with built-in milling motors and a Y-axis function. Built for mass production machining, the machine series is a solution for machining bar material, shafts, flanges and precision equipment.

When To Combine Milling And Turning
Turn/Mill technology enables users to complete a workpiece in a single handling. This article looks at some of the criteria that make application of this multi-tasking productive.

Rotary Table For VMCs
The DDRT-260 rotary table is designed for operation on Mori Seiki's DuraVertical 5060 and 5080 and NV4000 DCG vertical machining centers.  It offers stable, high-efficiency four-axis machining with powerful clamping and high-precision indexing, the company says.

CNC Lathes And VMCs
Mori Seiki's DuraTurn CNC lathes and DuraVertical vertical machining centers offer durability, stable machine performance, high levels of reliability and excellent cost performance, according to the company. The DuraTurn line was developed with a rigid body to minimize the effects of vibration and increase accuracy,

EMO 2007: A Winner All Around
It’s probably blasphemous to describe Germans as giddy, but that’s the best word I can conjure for the mood at the recently completed EMO exhibition in Hannover.  

CNC Lathes For Medical
Mori Seiki's NL Series of CNC lathes are especially useful for medical manufacturers, particularly those specializing in the production of joint replacement components. Difficult to machine by any standard, these complex parts are usually made of titanium or stainless steel and require extreme accuracy and surface finish. The machine's milling capability allows it to meet the demands of a lean supply chain, according to the company.

Three-Turret Turning Center
• Literature features Mori Seiki’s NZ Series, which offers a maximum of three turrets and 48 tools • Includes diagrams of the front and side of the turning center, as well as specifications • Also includes a line-up of the 10 variations of the turrets and Y axes.

Mill-Turn Centers Combine Lathe And Machining Center
Mori Seiki's NT series of mill-turn centers combines a lathe with a machining center. In designing the series, the company rethought the design and construction of the multitasking machines to harness the turning ability of a lathe and the cutting ability of a machining center. The NT5400 DCG/1800S employs both DCG (driven at the center of gravity) technology and the box-in-box construction of the NH series horizontal machining centers, along with the turret with a built-in milling motor from the NL series CNC lathes.

Five-Axis VMC(2)
Mori Seiki's NMV5000 DCG VMC includes direct drive motors on the B and C axes to improve the machine's precision as well as MAPPS III, the latest iteration of the company's standard setting control. MAPPS III offers improved hardware specifications, operability and shorter programming times, as well as a collision prevention function that monitors machine movements in real time. The controls also take advantage of the ease and convenience of conversational input, providing high-speed canned cycles that lead to increases in programming speed.

Two-Turret Shaft Lathe(2)
The NZ-S1500  has been created to machine shafts. It employs a symmetrical design in which the two turrets are aligned with the spindle, which is mounted on the vertical bed. This layout is designed to increase productivity; improve accuracy during continuous machining; and reduce the input of heat.

High Speed Automatic Turning(2)
The Sprint 65 linear offers advantages for the bar machining of workpiece diameters up to 65 mm as well as for chuck workpiece diameters up to 175 mm, the company says. The machines are designed with linear drives in the X3 axis, Y axis in the standard version, a 55-degree slanted bed and three 12x revolvers. In the manufacturing process, the simultaneous use of up to three tools leads to high productivity for non-stop operations, both for complex or simple turning workpieces, according to the company.

Two-Turret Shaft Lathe
Mori Seiki’s NZ-S1500 is making its North American debut. Created to machine shafts, the footprint is less than half the size of previous models, measuring less than 5' in height. The machine can accommodate workpieces with a maximum machining diameter of 120 mm, and a standard machining diameter of 60~20 mm.

Revisiting An Intriguing CNC Multi-Spindle Experiment
Otto Engineering is a manufacturer of mechanical switches and related products. The vertically-integrated company has its own machine shop, which produces many of the switch components that supply the company’s assembly lines. Like most other manufacturing firms, Otto was looking for ways to cut costs and improve the efficiency of its manufacturing operations.

Lathe And Machining Center In One Package
Mori Seiki's NT Series of integrated mill-turn centers combines a lathe with a machining center. In designing the series, the company rethought the design and construction of multitasking machines to harness the turning ability of a lathe and the cutting ability of a machining center. The series employs both DCG (driven at the center of gravity) technology and the box-in-box construction of the NH Series horizontal machining centers, along with the turret with a built-in milling motor from the NL Series CNC lathes.

High Speed Automatic Turning
The Sprint 65 linear offers advantages for the bar machining of workpiece diameters up to 65 mm as well as for chuck workpiece diameters up to 175 mm, the company says. The machines are designed with linear drives in the X3 axis, Y axis in the standard version, a 55-degree slanted bed and three 12x revolvers. In the manufacturing process, the simultaneous use of up to three tools leads to high productivity for non-stop operations, both for complex or simple turning workpieces, according to the company.

Four-Axis Turning On Twin-Spindle Machine
The working area design of the Twin 65 twin-spindle turning center is a result of the CNC-controlled transverse slide with a movement from the spindle centerline of 5. 7". This means that after the angular synchronized part transfer from the left spindle to the right spindle, the work piece can be finished using the upper turret without collision.

5-Axis HMC Has Linear Drive On X Axis
The DMU eVolution 5-axis machine produces undercuts of up to 18 degrees, fast chip-to-chip time and a large work area with a smaller space requirement. The linear drive mechanism of the X axis for the smallest positioning time, maximum precision and the larger pivoting area of the new NC swivel rotary table, as well as the automatic tool magazine with a double gripper, are all remarkable features. The machine needs a smaller footprint, allowing for a more spacious work area.

Linear Drive VMC With 18,000-RPM Spindle
Developed as a solid cast design with an overhead slide, the axes of the DMC 64 V linear lie at 25. 2" in the X axis and 19. 7 in the tool's Z axis.

Swiss-Type Lathe With Linear Drive Technology
The CNC automatic lathe with the pivoting headstock of the Speed linear series offers a tolerance up to 0. 00006" on the outer diameter and depending on the complexity of the workpiece range, variations of 5, 7 or 11 CNC axes are available.  The main and counter spindles have spindle motors that can operate at a rate of 12,000 rpm  and can work autonomously with different cutting speeds.

CNC Lathes With Milling Capability
Developed to provide milling capability as robust as a machining center, NL CNC lathes feature a milling motor inside the turret directly coupled to the milling tool. This design reduces tool spindle acceleration time by two-thirds and diminishes vibration and noise by one-half. Machining accuracy has been improved through increased rigidity and the measures taken to minimize the effects of heat displacement.

Laser Simplifies Form Tool Chip Control
The creation of a 'bird nest' is a problem for any turning operation. These uncontrolled wads of chips tend to wreck havoc on tooling, equipment and continuous operations.  

Linear Drive Automatic Lathes
The automatic lathes of the DMG Sprint Linear Series are designed for smaller to medium-sized batches of short-turned parts with up to a 1. 65" diameter. The machines increased dynamics with accelerations of up to 1 g and higher rapid traverse speeds of up to 1.

Multi-Axis Turn/Mill Center
Mori Seiki’s MT2500SZ multi-axis turning center integrates the capabilities of both a lathe and a machining center. The machine accommodates small and complex workpieces requiring machining on all sides as well as highly accurate machining of workpieces that mainly involve turning.  The main spindle’s oil-cooled base ensures thermal stability throughout extended operation.

Seeing A Multi Through Different Eyes
Sometimes if you don’t 'know' any better, applying technology in new ways simply makes sense. That’s partly what helped drive this family-owned OEM to acquire its first, and so far only, multi-spindle to help it get a better handle on production and inventory control.

Vertical Machining Center Offers More Accurate Contouring
The NV4000 vertical machining center is said to give users the ability to contour more accurately, accelerate among positions faster and experience less residual vibration. Using a design concept called Driven at the Center of Gravity (DCG), the net driving force acts through the center of the axis. The machining center contains five ballscrews,­ two on the Y-axis, two on the Z-axis and one on the X-axis, that enable a reduction in vibration without sacrificing speed for accuracy.

CNC Multi-Spindle Offers New Feature Combos For Lower Cost Per Part
Not too long ago, if cycle time was the primary consideration when buying a new multi- spindle machine, the choice was automatic—cam automatic, that is. Today, CNC multi-spindle machines offer cycle times comparable to those for cam automatics and a great deal more. Builders of CNC multi-spindles have discovered more ways to computerize their machines, providing packages of features that raise their productivity to a new level.

Bush-Type Lathe
Bush-type lathes produced by Gildemeister Italiana claim to meet all requirements made on them by efficient factory automation and by simplified production planning. The bush-type lathe GD 26/32 has up to six controlled axes, each with two opposed spindles and tools on the linear carriage and in the turret. Having maximum turning diameters of 1" or 1.

Integrated Machining And Turning
The ZT1000Y, a dual process turning center with a Y axis, is a productive integrated machine that is said to meet customer demand for shortening lead time. This efficiency is especially valuable for the home electric and communication industries. Both spindles and turrets have the same capability and power.

Fighting Pressure With Pressure
High-pressure coolant systems are providing improved part quality, increased tool life and other benefits for this precision turning shop.

Linear Motors On Multis
A primary objective for multi-spindle screw machines, or any metalcutting machine tool, is to accurately and rapidly deliver a cutting tool to a workpiece while precisely controlling its cutting action.

Boosting Multi-Spindle Productivity
Here's a look at some of the ways Delta Faucet is taking advantage of off-the-shelf technology to improve multi-spindle screw machining productivity.