- Email: [email protected]
NELEX 84
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more sophisticated control of the process and machines, including tool and cutter grinding; the improvement On 1 March 1984, a seminar on of centreless grinding operations; 'Advances in grinding technology techniques for creep feed grinding, as exploiting new techniques' will be held well as studies on specific operations. at The Machine Tool Industry ReSearch The Seminar Office, MTIRA, Association, Macclesfield, UK. The . . . . . . . . . . Road, Macclesfield, Cheshire seminar is being sponsored jointly by SK10 2NE, UK M T I R A and the UK Science and Engineering Research Council. . ,, . . . . . SERC's Grinding Technology i Research Programme was launched in , 1974. The Council's Engineering Board Brushless dc motors designed for use has backed the programme to a'total ' as servos in machine tools and robotics of some £2.5 million in a con,certed ace among several products launched effort to advance the technology of by MOore Reed during the last quarter abrasive machining through research of 1983. The motor range consists of designed to address the needs of three basic sizes (55, 80 and 100 mm industry. More than 50 projects have diameter) covering powers from 25 to been supported at 14 establishments. 250 W. The company's range of One of the most important resolver to digital converters has also aspects of the Science and Engineering been extended up to a 16 bit resolution. Research Council's grinding research The continuous tracking converters programme has been to keep industry operate for input rates of up to aware of what has happened. Many of 4080 r/min at a nominal resolver the projects have already resulted in frequency of 1.5 kHz. They work on a industrial application, others are at the ratiometric, amplitude comparison point where industry could well begin principle. to see the benefit. The seminar will Moore Reed & Co Ltd, Walworth, focus in particular on projects such as Andover, Hampshire SP10 5AB, UK
Grindingtechniques
Motors and resolvers
NELEX 84
•
Previous conferences in the N E L E x series have been well received. The next, to be held as usual at. the UK National Engineering Laboratory, on 6 - 8 November 1984, wilt ha~e the theme of 'The role of engineering .metrology in the achievement of product quality'. The organizers aim to introduce the role of more general engineering measurement in monitoring service conditions and providing material properties for design. The technical committee have selected the following ar~as of ir~terest and advancement in eng~neerinqi metrology relevant to th~:icQn~fL,~ence"~theme: .i' '~ " ~'~ ,!;', " ~1.~ ~ ~,
•
•
•
•
Macro metrology and engineering measurement for design Surveying Photogrammetry I n-service measurements Material property measurements Applications of multi-axial measurement CMM use and calibration Metrology of cylindrical and conical gears Transmission error measurement Advanced measurement technology Optics, including fibre optics Electron=cs Metrological software and its verification Statistical analyses
In the Pneumo-Centric 5501~roundness gauge air-bearing metrology equipment has been combined with electronics/microprocessor technology, A 32-character digital display gives absolute readings for either one or two gauge heads on the Icd panel. In the optional 'nochart' mode, the out-of-round measurement is registered after a single part revolution. By not recording a chart, production time is cut by 50%. The 8 in (200 mm) air-bearing rotary table and polar recorder are integrated in a common cast-iron base. The synchronous motor drive offers speeds of 2 and 4 r/min, allowing both large and small diameter parts to be measured. The table is available in three accuracies: _+0.5 #in, + 1 #in and + 2.5 #in. Pneumo Precision Inc, Precision Park, Keene, NH 03431, USA
,~,~....:,,..
Quality and s t a n d ~ l s '~ ,: :. Metrology and sta~t~a~ds = ' Quality in product manufacture Metrology as a management tool Metrology in the n~anufacture of components In-process measurement Metrology and fins Metrology and robotics
PRECISION ENGINEERING
Five-hundred word summaries were required by the end of January, but it is suggested that prospective-authors contact Dr J. D. Snedden at NEL as soon as possible. Engineering Metrology Business Centre, Whitworth Building, National Engineering Laboratory, East Kilbride, Glasgow G75 0QU, UK
Brushless dc motors introduced by Moore Reed have been designed for use as servos in machine tools
61
more sophisticated control of the process and machines, including tool and cutter grinding; the improvement On 1 March 1984, a seminar on of centreless grinding operations; 'Advances in grinding technology techniques for creep feed grinding, as exploiting new techniques' will be held well as studies on specific operations. at The Machine Tool Industry ReSearch The Seminar Office, MTIRA, Association, Macclesfield, UK. The . . . . . . . . . . Road, Macclesfield, Cheshire seminar is being sponsored jointly by SK10 2NE, UK M T I R A and the UK Science and Engineering Research Council. . ,, . . . . . SERC's Grinding Technology i Research Programme was launched in , 1974. The Council's Engineering Board Brushless dc motors designed for use has backed the programme to a'total ' as servos in machine tools and robotics of some £2.5 million in a con,certed ace among several products launched effort to advance the technology of by MOore Reed during the last quarter abrasive machining through research of 1983. The motor range consists of designed to address the needs of three basic sizes (55, 80 and 100 mm industry. More than 50 projects have diameter) covering powers from 25 to been supported at 14 establishments. 250 W. The company's range of One of the most important resolver to digital converters has also aspects of the Science and Engineering been extended up to a 16 bit resolution. Research Council's grinding research The continuous tracking converters programme has been to keep industry operate for input rates of up to aware of what has happened. Many of 4080 r/min at a nominal resolver the projects have already resulted in frequency of 1.5 kHz. They work on a industrial application, others are at the ratiometric, amplitude comparison point where industry could well begin principle. to see the benefit. The seminar will Moore Reed & Co Ltd, Walworth, focus in particular on projects such as Andover, Hampshire SP10 5AB, UK
Grindingtechniques
Motors and resolvers
NELEX 84
•
Previous conferences in the N E L E x series have been well received. The next, to be held as usual at. the UK National Engineering Laboratory, on 6 - 8 November 1984, wilt ha~e the theme of 'The role of engineering .metrology in the achievement of product quality'. The organizers aim to introduce the role of more general engineering measurement in monitoring service conditions and providing material properties for design. The technical committee have selected the following ar~as of ir~terest and advancement in eng~neerinqi metrology relevant to th~:icQn~fL,~ence"~theme: .i' '~ " ~'~ ,!;', " ~1.~ ~ ~,
•
•
•
•
Macro metrology and engineering measurement for design Surveying Photogrammetry I n-service measurements Material property measurements Applications of multi-axial measurement CMM use and calibration Metrology of cylindrical and conical gears Transmission error measurement Advanced measurement technology Optics, including fibre optics Electron=cs Metrological software and its verification Statistical analyses
In the Pneumo-Centric 5501~roundness gauge air-bearing metrology equipment has been combined with electronics/microprocessor technology, A 32-character digital display gives absolute readings for either one or two gauge heads on the Icd panel. In the optional 'nochart' mode, the out-of-round measurement is registered after a single part revolution. By not recording a chart, production time is cut by 50%. The 8 in (200 mm) air-bearing rotary table and polar recorder are integrated in a common cast-iron base. The synchronous motor drive offers speeds of 2 and 4 r/min, allowing both large and small diameter parts to be measured. The table is available in three accuracies: _+0.5 #in, + 1 #in and + 2.5 #in. Pneumo Precision Inc, Precision Park, Keene, NH 03431, USA
,~,~....:,,..
Quality and s t a n d ~ l s '~ ,: :. Metrology and sta~t~a~ds = ' Quality in product manufacture Metrology as a management tool Metrology in the n~anufacture of components In-process measurement Metrology and fins Metrology and robotics
PRECISION ENGINEERING
Five-hundred word summaries were required by the end of January, but it is suggested that prospective-authors contact Dr J. D. Snedden at NEL as soon as possible. Engineering Metrology Business Centre, Whitworth Building, National Engineering Laboratory, East Kilbride, Glasgow G75 0QU, UK
Brushless dc motors introduced by Moore Reed have been designed for use as servos in machine tools
61