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A systems approach for control of punch press noise.

Authors
Bailey-JR; Daggerhart-JA; Stewart-ND
Source
American Society of Mechanical Engineers, New York, ASME Publication 75-DET-49 1975 Sep; :1-8
Link
NIOSHTIC No.
00052664
Abstract
A systems approach is developed for control of punch press noise. The result is a flow diagram which can be used as a guideline for evaluating the feasibility of noise control through engineering. Extensive experimental results are also reported to provide examples of the techniques described in the systems approach. Reductions of air sources are described through the use of commercially available mufflers for air exhausts and silencers for pneumatic parts ejectors. Control of impact noise is described through reduction of radiating area, reduction of machine speed and force reduction through changes in tooling, variations in work-piece material and changes in the operation. In addition, possible modifications to press designs are considered. These include consideration of stiffness, mass and damping. Finally consideration is given to noise control in the path through use of absorption barriers and enclosures.
Keywords
NIOSH-Grant; Noise-induced-hearing-loss; Control-measures; Safety-engineering; Environmental-engineering; Environmental-health; Occupational-health; Noise-absorption; Noise-damping; Test-methods; Noise-propagation; Noise-sources; Noise-shielding; Acoustic-insulation; Metalworking
Contact
Mechanical and Aerospace Engr North Carolina State Univ Post Office Box 5801 Raleigh, N C 27607
Publication Date
19750901
Document Type
Final Grant Report
Funding Amount
53815
Funding Type
Grant
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00494
NIOSH Division
OEP
Priority Area
Noise-induced-hearing-loss
Source Name
American Society of Mechanical Engineers, New York, ASME Publication 75-DET-49
State
NY; NC
Performing Organization
North Carolina State University Raleigh, Raleigh, North Carolina
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