2026-09-19T16:01:23Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/303062022-01-13T07:54:36Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Samir Nayfeh.
Rohrs, Jonathan D. (Jonathan David), 1979-
Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2006-03-24T18:38:37Z
2006-03-24T18:38:37Z
2003
2003
http://hdl.handle.net/1721.1/30306
61049895
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2003.
Includes bibliographical references (p. 161-163).
A machine for producing bias weaves (thick, multiaxial weaves) is presented. It consists of a fill/warp weaving apparatus superimposed on a general braiding machine. The braiding machine consists of a set of moveable columns which hold spools of bias fibers, and a mechanism to shift spools from one column to the next. Jacquard-movable warp fibers run between the columns. This machine allows the use of a beat-up mechanism that does not need to be removed from the weave. A large set of braids which are produceable on the proposed bias-weaving machine are described, along with the machine operations required to produce them. The design of a tension-regulating thread package for use in this bias-weaving machine is also presented. This mechanism can take-up a finite amount of thread and is insensitive to friction variations. The design was chosen based on the systematic development and elimination of alternative designs. It may be easily adapted to other uses-a shuttle is given as an example.
by Jonathan D. Rohrs
S.M.
163 p.
8598305 bytes
8619033 bytes
application/pdf
application/pdf
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
Design of a bias-weaving machine : thread manipulation and other topics
Thesis
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<Abstract>A machine for producing bias weaves (thick, multiaxial weaves) is presented. It consists of a fill/warp weaving apparatus superimposed on a general braiding machine. The braiding machine consists of a set of moveable columns which hold spools of bias fibers, and a mechanism to shift spools from one column to the next. Jacquard-movable warp fibers run between the columns. This machine allows the use of a beat-up mechanism that does not need to be removed from the weave. A large set of braids which are produceable on the proposed bias-weaving machine are described, along with the machine operations required to produce them. The design of a tension-regulating thread package for use in this bias-weaving machine is also presented. This mechanism can take-up a finite amount of thread and is insensitive to friction variations. The design was chosen based on the systematic development and elimination of alternative designs. It may be easily adapted to other uses-a shuttle is given as an example.</Abstract>
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