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| + Engineering Support! Our engineering expertise is available to provide technical support for the products we sell; and assist our customers in solving their engineering problems. |
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The
Fundamental Operation of SEL Series Rack & Pinion Linear Encoder or
Resolver Measuring Systems |
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Page
1 Rack and Pinion Mesh Geometry Page 2 Long Life & Trouble-free Operation Page 3 Precision, Fine Resolution & Unlimited Length of Travel Page 4 Page 5 Page 6 Page 7 Page 8 |
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The Fundamental Operation ... |
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 High
Accuracy Angular Measuring Rack A unique feature of helicoidal rack is that it provides correct gear action even when mounted on a curved rather than straight surface. Angular measuring rack occupies a minimum of axial space allowing rotary tables to be designed for greatest stability. Robust hardware and accurate measurement feedback and control is assured by the use of SEL Precision Series Rack and Pinion Systems. Our Angular Measuring Rack (AMR) system is supplied as a rack set to suit a specified diameter. The range is from 570 mm upwards with close intervals between possible working diameters. When included in an initial design concept, the AMR gives particular benefits. The measuring radius is a large percentage, usually from 50 to 80 percent, of the maximum working radius, producing high repeatability. A very practical benefit to the design of, for instance, a rotary or indexing table is that no axial space is needed below the table. This makes it lower and stiffer, along with other parts of the machine, increasing machine working rates and, again, repeatability. |
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| <<<Back | Page 6 |
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