LT2016058A - A composite tool for forming holes with thread in thin-walles parts - Google Patents

A composite tool for forming holes with thread in thin-walles parts

Info

Publication number
LT2016058A
LT2016058A LT2016058A LT2016058A LT2016058A LT 2016058 A LT2016058 A LT 2016058A LT 2016058 A LT2016058 A LT 2016058A LT 2016058 A LT2016058 A LT 2016058A LT 2016058 A LT2016058 A LT 2016058A
Authority
LT
Lithuania
Prior art keywords
rolling
thread
tool
hole
parts
Prior art date
Application number
LT2016058A
Other languages
Lithuanian (lt)
Other versions
LT6488B (en
Inventor
Povilas Krasauskas
Sigitas KILIKEVIČIUS
Ramūnas ČESNAVIČIUS
Original Assignee
Kauno technologijos universitetas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kauno technologijos universitetas filed Critical Kauno technologijos universitetas
Priority to LT2016058A priority Critical patent/LT6488B/en
Priority to PCT/IB2017/052357 priority patent/WO2017187329A1/en
Publication of LT2016058A publication Critical patent/LT2016058A/en
Publication of LT6488B publication Critical patent/LT6488B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/063Friction heat forging
    • B21J5/066Flow drilling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G7/00Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
    • B23G7/02Tools for this purpose

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

Was developted a composite tool for forming holes with thread in thin-walled parts for rolling, without chip formation. The formation of a hole and thread with a combined tool generates an economical effect, as eliminating the time between the operations required to change the tool and to determine the new forming modes, and, in the end of rolling the thread, the formed sharpened knuckle is compressed, therefore no additional machining operation is required to remove it. The combined tool consists of seven parts, the first five of which are rounded polygonal cross-sections, smoothly moving to each other in a cone (l), whose purpose is to form a centering hole in a metal wall; a cone (2), the purpose of which is to gradually engage in a hole in the metal; a cylinder (3), the purpose of which is to calibrate the hole to the required diameter for rolling rolling; taper, not less than 2-3 threads, threads (4) purpose is screw in the screws gradually, up to the nominal thread size; a fifth part - a similar polygonal cross-sectional screw surface (5), the purpose of which is to complete the rolling of the screws by rolling; a neck-shaped shoulder (6) of a cylindrical neckline (6) starting at the end of the rolling sleeve and a pin (7) for attaching the tool to the plug.
LT2016058A 2016-04-29 2016-04-29 A composite tool for forming holes with thread in thin-walles parts LT6488B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
LT2016058A LT6488B (en) 2016-04-29 2016-04-29 A composite tool for forming holes with thread in thin-walles parts
PCT/IB2017/052357 WO2017187329A1 (en) 2016-04-29 2017-04-25 Combined chipless drilling and tapping tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LT2016058A LT6488B (en) 2016-04-29 2016-04-29 A composite tool for forming holes with thread in thin-walles parts

Publications (2)

Publication Number Publication Date
LT2016058A true LT2016058A (en) 2017-11-10
LT6488B LT6488B (en) 2018-01-25

Family

ID=59067707

Family Applications (1)

Application Number Title Priority Date Filing Date
LT2016058A LT6488B (en) 2016-04-29 2016-04-29 A composite tool for forming holes with thread in thin-walles parts

Country Status (2)

Country Link
LT (1) LT6488B (en)
WO (1) WO2017187329A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188507B (en) * 2018-03-09 2023-05-26 陕西理工大学 Nut processing cutter capable of rapidly feeding ball screw pair and forming method
DE102018123539B3 (en) * 2018-09-25 2020-02-06 Federal-Mogul Valvetrain Gmbh CUP PUSHERS WITH ROTATIONAL SECURING AND METHOD FOR THE PRODUCTION

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653394A1 (en) 1996-12-20 1998-06-25 Franz Prof Dr Ing Tikal Tool for making through hole with internal thread
DE102004013640A1 (en) * 2004-03-19 2005-10-06 Gühring, Jörg, Dr. Tool and device for producing threaded holes
JP4572157B2 (en) 2005-11-01 2010-10-27 本田技研工業株式会社 Thread forming method and screw forming apparatus
US8419556B2 (en) 2008-08-27 2013-04-16 Honda Motor Co., Ltd. Nut, female thread machining device and female thread machining method

Also Published As

Publication number Publication date
LT6488B (en) 2018-01-25
WO2017187329A1 (en) 2017-11-02

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Legal Events

Date Code Title Description
BB1A Patent application published

Effective date: 20171110

FG9A Patent granted

Effective date: 20180125

MM9A Lapsed patents

Effective date: 20180429