MANUFACTURING TECHNOLOGY


At Fastener Fair Stuttgart National Machinery LLC will be focusing on its LeanFX® technology along with a new inspection system from Mectron engineering company.


isitors to the National Machinery stand will be greeted by National’s knowledgeable representatives that are equipped to educate


cold


running life than other comparable competitor machines. The LeanFX line has grown to


visitors on how the LeanFX technology can benefit parts production. LeanFX is the latest version of National’s quality proven FORMAX®


forming machine. LeanFX was created with economy in mind, so it is designed with fewer features than the traditional FORMAX. However, National points out that the LeanFX retains the technology for providing faster running speed, more precise parts production, and a longer


cover a large range of models and die configurations to fit any fastener producer’s needs. Machine sizes include: • LeanFX8 – in 2, 3, 4 and 5 dies. • LeanFX10 – in 2, 3, 4 and 5 dies. • LeanFX14 – in 4 and 5 dies. • LeanFX18 – in 4 and 5 dies. Visitors to the National Machinery


stand will also have an opportunity to see Mectron’s new First Scan Inspection machine. Mectron’s First Scan is a non-contact fully automatic precision


Lean and accurate for 2011 V


Automatic die match adjustment for thread rollers


Schwer + Kopka GmbH will show at Fastener Fair Stuttgart 2011 for the first time its new DMI die match indicator system in actual operation on a S.M.A.R.T thread rolling machine.


T


he SK load monitor senses whether the rolling dies are properly aligned (matched) or not. This information is looped to the machine control panel which automatically adjusts the timing of the starter/introduction system to obtain optimum die match while the machine is running.


Mismatched dies commonly cause premature tool wear, thread laps as well as


other quality issues. Schwer + Kopka highlights that the DM die match indicator has proven to extend die life and improve set up times vastly. The unique features of the die match set up software help the operator to verify if roller dies are in optimum alignment. A graphical indicator informs him of the adjustments needed to bring the dies back into a matched set up. “Even less experienced operators are now capable of achieving perfect die match


and superb thread quality with the assistance of the DMI system. The system is designed to give instant machine and die adjustment information. The software can be used on any manually-adjusted machine, or on thread rollers such as the S.M.A.R.T machine which is capable of automatically adjusting die match on the fly.”


Adding depth of expertise


The recent purchase of the Rico and Astro Punch header tool business from the PTG tool group has not only helped Wrentham to more than double production capacity in 2010, but has also significantly enhanced the depth of engineering and metallurgical expertise within the company, leading to more cold heading R&D and to an improved knowledge base to support customer services.


F


ounded in 1948, the Wrentham Tool Group is a manufacturer of high quality recess punches, tooling and gauges for the fastener industry. Today Wrentham maintains an inventory of popular Phillips, Pozidriv®


, Hexlobular® licensed Torx® , and standard struck slot punches, but the majority


of production is set aside for bespoke tooling for non-standard fastener head designs (specials). All heading tools are ‘Made in USA’ to the highest quality standards (ISO 9001-2008 certified). To support screw production quality control, Wrentham


offers a complete range of penetration plug ring gauges and test blocks, all produced to meet customer specific inspection


Hall: 4 Stand: B55


requirements. A ‘concentricity’ gauge has also recently been added to the gauge range. Screw manufacturing is not just about punches and pins.


Wrentham also offers a wide range of tooling such as saws, cut- off knives and carbide machine parts. “Wrentham will continue to use the well-established Astro


Punch (specialist aerospace tooling) and Rico (industrial tooling) brands in the marketplace. While the Wrentham Tool Products brand will become a leading name for gauges and tooling calibration services. “


72 Fastener + Fixing Magazine • Issue 67 January 2011


SK 600 with automatic die match in operation on a S.M.A.R.T thread rolling machine


Hall: 4 Stand: B80 machine Hall: 4 Stand: B60


measuring system for cylindrical components. This machine eliminates human error in gauging disputes by its ability to perform measurements without contact to the component. “Along with being able to answer any questions you may have about LeanFX®


,


National representatives are also able to assist you in your tooling engineering, support and service, and used machinery needs. Whatever your needs are in the cold forming market, be sure to stop by National Machinery’s stand for assistance.”


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