Another step for STEP NC by nikeborome


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     Off-line addition
     Delcam, Birmingham will                Another step for STEP-NC
     demonstrate new CNC-based
     inspection techniques in its
     PowerINSPECT inspection software       A demonstration last month aimed to         this and adding AP-238 data. AP-238
     at the Control exhibition to be held   show further progress in the application    data sees geometric information
     in Sinsheim, Germany from 26 to 29     of STEP-NC.                                 defined by features with machining
     April. The new CNC capabilities will      STEP-NC is intended to allow             operations termed ‘working steps’
     allow PowerINSPECT to be               automated NC machining based on             performed on one or more features.
     programmed off-line for the            process plans plus geometry rather than     These ‘working steps’ provide the basis
     inspection of sample parts against a   driving CNC machines via explicit           of a ‘workplan’ to manufacture the          the other without the
     master CAD model during                commands delivered in traditional ISO       component.                                  conical feature for 3-axis machining.
     production. Previously, the software   G-code language (see Machinery 2 April         The AP-238 data was then fed into           CAD/CAM systems involved
     could only undertake repeated          2004, page 10).                             two CNC systems, a Siemens 840D and         included Mastercam, Gibbs, UGS and
     inspection cycles through teach-          The demonstration was carried out        a Fanuc 30i, both 5-axis systems, with      CATIA. Software plug-ins for Gibbs and
     and-learn methods.                     at an OMAC STEP-NC working group            the resulting components emulated           Mastercam from STEP Tools Inc
                                            meeting in Orlando, Florida in early        within the CNC and not actually             supported AP-238 data creation. UGS
     Titanium turning                       February.                                   machined. Two test parts were               generated native output but used UGS
     Machining trials on the latest            The demonstration showed CAD             involved, both based on the ‘circle,        software to convert this to AP-238,
     Colchester Tornado T8M 3-axis          systems generating AP-203 geometry          square, diamond’ National Aerospace         while CATIA generated APT CL data
     mill-turn lathe carried out at 600     including tolerances and surface finish     Standard 979; one featuring a conical       which again was converted to AP-238
     Centre, Shepshed – Colchester          information with CAM systems taking         central pocket to support 5-axis testing,   by special software.
     Sales’ new headquarters – have
     shown it capable of cutting
     aerospace specification titanium
     at four times the normal metal
     removal rate. Heading up
                                            Burr software gives                          Outsourcing hits well known
     Colchester Sales application           Anca the edge                                Italian brake manufacturer
     engineering team, Paul
     Rushworth selected suitable            Tool grinding machine specialist Anca
     tooling and installed a 140 bar        has developed iBurr, a software              Italy-based brake maker Brembo is          the Italian factories. It is also being
     high-pressure coolant system to        package supporting the design and            closing three factories in Italy and       squeezed by a jump in prices of raw
     machine billets of Ti6AI-4V            manufacture of standard and                  shifting production to Poland, reports     materials, including steel.
     material at up to 150 m/min when       aluminium burrs.                             Reuters.                                   Ë India is aiming to become a low-
     roughing and at 250 m/min for             The standard burr application is             Brembo is to keep three plants          cost aerospace parts supplier.
     finishing cuts. Normally, material     used to de-burr harder and tougher           near the northern Italian city of          Hindustan Aeronautics Ltd (HAL),
     of this type is machined at around     material such as iron or steel. The          Bergamo to focus on research and           Bangalore already makes aircraft
     40 m/min.                              aluminium burr application is used to        development and braking systems.           doors for Airbus and is to produce 44
                                            manufacture burrs intended for de-           Only one of its four Italian disc plants   of the 66 Hawk trainer jets that New
     Good start to the year                 burring softer materials such as             will stay open, with the rest moving       Delhi is buying from BAE Systems.
     Walter GB, Redditch took orders        aluminium.                                   to Poland.                                 (BAE has a software joint venture
     for three Helitronic Power tool           Due to its flexibility in application,       Brembo follows other leading            with HAL.) Indian defence Minister
     grinders during January,               iBurr is able to meet burr production        Italian companies like carmaker Fiat       Pranab Mukherjee has said India has
     continuing its 2004 performance        demands of a vast number of industries       Auto, white goods manufacturer             the capability to make advanced
     which saw sales jump 33 per            using burr tools.                            Indesit and clothing group Benetton in     alloys, process technologies and
     cent. The machines have all been          iBurr’s functionality is further          moving production out of Italy to cut      aircraft equipment, and the industry
     ordered by aerospace-orientated        enhanced by the complementary use of         costs and protect margins.                 was considering diversifying into civil
     customers: a major OEM/first tier      CIMulator3D, an Anca simulation                 Brembo, which makes brakes for          aircraft. While Bangalore is the
     supplier; a company that               software package.                            street cars, Harley Davidson bikes         centre for India’s $16 billion IT and
     manufactures and regrinds                                                           and Ferrari race cars, did not reveal      process outsourcing industry, it is
     tooling and; a major tooling             Enter 40 at                                how much it would save by shutting         also the main centre for aerospace.

                                                                                                                               March 2005 G


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