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Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... Abstract Thread rolling is a cold-forming process for producing threads or other helical or annular forms by rolling the impression of hardened steel dies into the surface of a cylindrical or conical blank. Methods that use cylindrical dies are classified as radial infeed, tangential feed...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
... Abstract This article discusses the three characteristics that are important in evaluating and selecting metals for thread rolling, namely, rollability, flaking, and seaming. It reviews the capabilities and limitations of flat-die rolling, radial-infeed rolling, tangential rolling, through-feed...
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Published: 01 January 1989
Fig. 1 Two common types of thread rolling dies, flat and cylindrical More
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Published: 01 January 2005
Fig. 1 Two common types of thread rolling dies, flat and cylindrical More
Image
Published: 01 January 2005
Fig. 5 Four degrees of susceptibility to seaming during thread rolling. (a) Negative susceptibility to form seams. Metal flow adjacent to the die surface is slower than in the middle of the roll form. This is characteristic of metals having a relatively high coefficient of friction More
Image
Published: 01 January 2005
Fig. 8 Operating principle of flat traversing die thread rolling More
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Published: 01 January 2005
Fig. 9 Operating principle of radial-infeed cylindrical-die thread rolling More
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Published: 01 January 2005
Fig. 11 Operating principle of two types of radial attachments for thread rolling on lathes and automatic bar machines More
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Published: 01 January 2005
Fig. 12 Bevel on a cylindrical thread rolling die More
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Published: 01 January 2005
Fig. 13 Use of a double-roll attachment for thread rolling near the collet of an automatic bar machine More
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Published: 01 January 2005
Fig. 14 Operating principle of tangential-feed thread rolling More
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Published: 01 January 2005
Fig. 15 Operating principle of planetary thread rolling. More than one segment die may be used. More
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Published: 01 January 2005
Fig. 17 Internal thread rolling. (a) With a close-fitting threaded mandrel. (b) With a threading die that is considerably smaller than the inside diameter being rolled More
Image
Published: 01 January 1989
Fig. 5 Four degrees of susceptibility to seaming during thread rolling. (A) Negative susceptibility to form seams. Metal flow adjacent to the die surface is slower than in the middle of the roll form. This is characteristic of metals having a relatively high coefficient of friction More
Image
Published: 01 January 1989
Fig. 8 Operating principle of flat traversing die thread rolling More
Image
Published: 01 January 1989
Fig. 9 Operating principle of radial-infeed cylindrical-die thread rolling More
Image
Published: 01 January 1989
Fig. 11 Operating principle of two types of radial attachments for thread rolling on lathes and automatic bar machines More
Image
Published: 01 January 1989
Fig. 12 Bevel on a cylindrical thread rolling die More
Image
Published: 01 January 1989
Fig. 13 Use of a double-roll attachment for thread rolling near the collet of an automatic bar machine More
Image
Published: 01 January 1989
Fig. 14 Operating principle of tangential-feed thread rolling More