Transcription of Conformance AS8879 1 - ALMAnet.org
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CHAIRMAN OF THE BOARD Karl G. Hutter Click Bond, Inc. TECHNICAL COMMITTEE CHAIRMAN Michael J. Lawler SPS Technologies EXECUTIVE DIRECTOR Robert H. Ecker MEMBERS ALCOA FASTENING SYSTEMS BRISTOL INDUSTRIES CLICK BOND, INC. LISI AEROSPACE MACLEAN-ESNA SHUR-LOK COMPANY SPACE-LOK, INC. SPS TECHNOLOGIES THE YOUNG ENGINEERS, INC. 994 Old Eagle School Road Suite 1019 Wayne, PA 19087-1866 Fax Conformance of Roll Formed Internal Threads to AS8879 Written by ALMA December 20, 2010 Background Use of the roll forming process for the creation of internal threads has been and remains a viable method for producing internally threaded fasteners. The roll forming method uses a tool similar to a tap, but one without cutting edges.
permitted incomplete threads at the top and bottom of the part would consume four pitches, or 0.125”, the resulting length over which the threads must conform to AS8879 is 0.065” (0.190” - 0.125” = 0.065”).
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Are rolled internal threads as good, Threads, Rolling, Rolling external threads, MILITARY STANDARD CONTROL SYSTEM, MILITARY STANDARD CONTROL SYSTEM COMPONENTS, AND, External threads, External, THREAD CUTTING & FORMING, Introduction to Manufacturing Processes, Mechanical Engineering, Rolling of external threads, Of external threads, Inspecting Threads With Thread Gages, Fastener, SEvEN mAjOR ADvANTAGES OF THREAD FORmING, Thread Standards and Definitions