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British Engineering Reaches New Heights

British Engineering Reaches New Heights British company, Hyde Group Ltd of Dukinfield, Cheshire, has been actively involved in India's largest satellite launch programme to date. British Engineering Hindustan Aeronautics Ltd plan to launch a series of satellites powered by the newly developed Indian Polar Reaches New Heights Satellite Launch Vehicle (PSLV). Using the Micro-Alignment Telescope manu­ factured by Rank Taylor Hobson of Leicester, Hyde Group designed and manufactured the tooling system for the PSLV's — a project worth over £3m to tooling system, panels can be manufac­ Using the Rank Taylor Hobson the company. tured to replace damaged or worn Sweep Optical Square, the line of sight sections. was deviated through ninety degrees to The unique tooling system enables generate a horizontal plane. Fixed the launcher to be completely built Diagram 1 shows a schematic of how each tooling jig was aligned. optical targets were then used to set around the outside of tooling jigs in a horizontal alignment to within two series of panels, which are then removed Using the Micro-Alignment Telescope, thousandths of an inch (0.05mm). The for assembly. engineers first established a vertical line telescope was then checked against the of sight relative to a fixed optical target original vertical line of sight and any at the top of the tooling jig. By using Accuracy of tooling jig displacement corrected. intermediate optical targets this line of Due to the accuracy of each tooling sight was used to ensure vertical alignment of the jig to within four jig, all the panels and sections for the Two months ahead of schedule thousandths of an inch (0.1mm) over PSLV are constructed to interlock The tooling system was delivered two structures as high as 40 feet (12.2m). precisely with one another. By using this months ahead of schedule and no final adjustments were needed — Hyde Group got it right first time. The first satellite is due to be launched in 1992 in what represents a major step forward in the Indian space programme. The total project is worth several hundred million dollars. Projects director at Hyde Group, Stuart Wilson explained: "The jo b was undertaken from concept to installation. Rank Taylor Hobson's Micro-Alignment Telescope enabled us to achieve the necessary accuracy for the project." Rank Taylor Hobson Ltd, P.O. Box 36, 2 New Star Road, Leicester LE4 7JQ. Tel: 0533 763771. AIRCRAFT ENGINEERING — March 1991 21 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

British Engineering Reaches New Heights

Aircraft Engineering and Aerospace Technology , Volume 63 (3): 1 – Mar 1, 1991
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb037072
Publisher site
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Abstract

British company, Hyde Group Ltd of Dukinfield, Cheshire, has been actively involved in India's largest satellite launch programme to date. British Engineering Hindustan Aeronautics Ltd plan to launch a series of satellites powered by the newly developed Indian Polar Reaches New Heights Satellite Launch Vehicle (PSLV). Using the Micro-Alignment Telescope manu­ factured by Rank Taylor Hobson of Leicester, Hyde Group designed and manufactured the tooling system for the PSLV's — a project worth over £3m to tooling system, panels can be manufac­ Using the Rank Taylor Hobson the company. tured to replace damaged or worn Sweep Optical Square, the line of sight sections. was deviated through ninety degrees to The unique tooling system enables generate a horizontal plane. Fixed the launcher to be completely built Diagram 1 shows a schematic of how each tooling jig was aligned. optical targets were then used to set around the outside of tooling jigs in a horizontal alignment to within two series of panels, which are then removed Using the Micro-Alignment Telescope, thousandths of an inch (0.05mm). The for assembly. engineers first established a vertical line telescope was then checked against the of sight relative to a fixed optical target original vertical line of sight and any at the top of the tooling jig. By using Accuracy of tooling jig displacement corrected. intermediate optical targets this line of Due to the accuracy of each tooling sight was used to ensure vertical alignment of the jig to within four jig, all the panels and sections for the Two months ahead of schedule thousandths of an inch (0.1mm) over PSLV are constructed to interlock The tooling system was delivered two structures as high as 40 feet (12.2m). precisely with one another. By using this months ahead of schedule and no final adjustments were needed — Hyde Group got it right first time. The first satellite is due to be launched in 1992 in what represents a major step forward in the Indian space programme. The total project is worth several hundred million dollars. Projects director at Hyde Group, Stuart Wilson explained: "The jo b was undertaken from concept to installation. Rank Taylor Hobson's Micro-Alignment Telescope enabled us to achieve the necessary accuracy for the project." Rank Taylor Hobson Ltd, P.O. Box 36, 2 New Star Road, Leicester LE4 7JQ. Tel: 0533 763771. AIRCRAFT ENGINEERING — March 1991 21

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Mar 1, 1991

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