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- Title
The critical rotational speed of circular saw: simple measurement method and its practical implementations.
- Authors
Kazimierz Orlowski; Jakub Sandak; Chiaki Tanaka
- Abstract
Abstract  Operation safety during sawing operations as well as dimensional accuracy and surface roughness depend on circular saw dynamic features among other factors such as circular saw blade accuracy and static/dynamic properties of the machine tool. Manufacturers of saw blades have an obligation to mark tools with a value stating the maximum allowed rotational speed for each saw. However, in some cases the value indicated on the saw corresponds to the critical rotational speed or is dangerously close to this critical value. Saw operation at the critical rotational speed is inadvisable and may result in serious injury or depreciation of product quality. This report outlines a simple methodology for evaluation of circular saw critical rotational speed. The assessment was conducted with a camera vision technique on the basis of an impulse test. Results are compared with theoretically calculated critical rotational speeds and the marks on saw blades.
- Subjects
CIRCULAR saws; SURFACE roughness; MACHINE tool industry; PRODUCT quality
- Publication
Journal of Wood Science, 2007, Vol 53, Issue 5, p388
- ISSN
1435-0211
- Publication type
Article
- DOI
10.1007/s10086-006-0873-5