Article tools sponsored by

Leak-proof answer for stargazers

By Design News Staff -- Design News, February 23, 2004

Cone Drive gear units, which promise improved seal arrangement, is now in control of the giant shutters that protect the Keck 1 telescope on Hawaii's Mauna Kea volcano, the world's largest optical and infrared telescope. The units come with modified input shafts, hollow shafts, housings, special output mounting flanges, and keeper plates in hollow bores. They also feature 14 custom 8-inch center distance HP double enveloping worm reducer units with a special ratio of 9.75:1. According to the maker, the units use taconite seal arrangements on both input and output shafts while expansion chambers provide sealed unit. Four gearboxes have been installed and commissioned on the bottom telescope shutter. Eight more will be installed on the top shutter in the next two years. For more info, go to www.textronpt.com.

related stories
resource center
by this author

View more articles by Staff Staff

Technology Marketplace

Article tools sponsored by

Talkback

We would love your feedback!

» View All Talkback Threads

DN's Resource Center Get Free Information, Made Easy

Quiet Strength Under Load
Groschopp | Case Study
Request Item
Patient Lift Sound Data
Groschopp | Case Study
Request Item

View all DN resources >>

Design News Partner Zones

JUNE 24TH WEBCAST: Collaborative Requirements Engineering
Speed your innovation. Capture the "voice of the customer" and translate customer requests into user requirements that define new products. Find out why the new ENOVIA Requirements Management solution enables organizations to improve their overall global requirements management process. Read More

Light Matters: Systems Level Approach to HBLED illumination applications
Its good practice to apply a systems-level approach to high-brightness LED (HBLED) illumination applications. Minimally, the system includes the optical, thermal and electrical characteristics of the of the HBLED, the lens (if any) which is built-in to its package, secondary optics such as external plastic lenses/reflectors to direct the light as your application requires and power driver electronics. Read More

Design Engineers' Portal for Sensing and Machine Safety
Whatever industry you're in, or whatever product you manufacture, the right sensors to automate your plant, and to improve your overall efficiency, quality and safety are a must. You'll find Banner Engineering to be an amazing resource of products, training and people with expertise.