SE7708970L - DETERMINATION OF TENSION VOLTAGE IN FIXING DETAILS - Google Patents
DETERMINATION OF TENSION VOLTAGE IN FIXING DETAILSInfo
- Publication number
- SE7708970L SE7708970L SE7708970A SE7708970A SE7708970L SE 7708970 L SE7708970 L SE 7708970L SE 7708970 A SE7708970 A SE 7708970A SE 7708970 A SE7708970 A SE 7708970A SE 7708970 L SE7708970 L SE 7708970L
- Authority
- SE
- Sweden
- Prior art keywords
- advance
- torque
- angle
- fasteners
- tension
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
- B25B23/1456—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers having electrical components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
TENSION CONTROL OF FASTENERS There is disclosed a technique for tightening threaded fasteners in which values of offset torque, initial tension rate relative to angle advance, final tension rate relative to angle advance and other joint related factors are empirically determined by instrumenting a plurality of fasteners of the type ultimately to be tightened. In one embodiment, torque and angle of advance are monitored during the tightening of production fasteners. Calculations are conducted, while tightening, of the ratio of the torque and the torque rate of the fastener being tightened to determine the tension prevailing in the bolt at a particular angle of advance. By using the calculated tension value and the particular angle of advance, an instantaneous position of threading advance on the tension-angle curve of the fasteners is established. From this instantaneous position, it is determined how much greater angle of advance or how much torque is required to tighten the fasteners to a final desired tension value. The same technique is also used merely to monitor tightening which is terminated by a different tightening strategy. In another embodiment, analog devices are utilized to convert sensed values of torque and the rate of threading advance into parameters which control tool shut off.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71255476A | 1976-08-09 | 1976-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7708970L true SE7708970L (en) | 1978-02-10 |
Family
ID=24862605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7708970A SE7708970L (en) | 1976-08-09 | 1977-08-08 | DETERMINATION OF TENSION VOLTAGE IN FIXING DETAILS |
Country Status (13)
| Country | Link |
|---|---|
| JP (2) | JPS5322698A (en) |
| AR (1) | AR225724A1 (en) |
| AU (1) | AU511166B2 (en) |
| BE (1) | BE857567A (en) |
| BR (1) | BR7705265A (en) |
| CA (1) | CA1130422A (en) |
| DE (1) | DE2735594A1 (en) |
| ES (1) | ES461482A1 (en) |
| FR (1) | FR2361203A1 (en) |
| GB (5) | GB1591352A (en) |
| IT (1) | IT1109460B (en) |
| SE (1) | SE7708970L (en) |
| ZA (1) | ZA774188B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106176A (en) * | 1977-04-06 | 1978-08-15 | Ingersoll-Rand Company | Method and apparatus for fastener tensioning |
| GB2148551A (en) * | 1979-04-19 | 1985-05-30 | Rockwell International Corp | Apparatus for tightening a threaded fastener |
| US4244245A (en) * | 1979-05-16 | 1981-01-13 | Chicago Pneumatic Tool Company | Fastener tension control system |
| JPS5993270A (en) * | 1982-11-17 | 1984-05-29 | 油谷鉄工株式会社 | Nut runner |
| FR2543041B1 (en) * | 1983-03-25 | 1985-08-09 | Baudet Jean Pierre | METHOD AND INSTALLATION FOR TIGHTENING A SCREW TYPE CONNECTION WITH CONTROL OF THE MECHANICAL TENSION APPLIED TO THE SCREW |
| JPS59219170A (en) * | 1983-05-24 | 1984-12-10 | 日立建機株式会社 | Bolt shaft force control apparatus |
| JPS6133870A (en) * | 1984-07-25 | 1986-02-17 | 滋賀ボルト株式会社 | Method of detecting load bearing point |
| JPS6144582A (en) * | 1984-08-07 | 1986-03-04 | マツダ株式会社 | Method of discriminating acceptable or defective plastic clamping in nut runner |
| JPS62246482A (en) * | 1986-04-18 | 1987-10-27 | 株式会社日立製作所 | High-precision axial tension control method in screwing |
| GB2225130B (en) * | 1988-09-21 | 1993-08-04 | Honda Motor Co Ltd | Method of monitoring nut runners |
| US5229931A (en) * | 1988-09-21 | 1993-07-20 | Honda Giken Kogyo Kabushiki Kaisha | Nut runner control system and method of monitoring nut runners |
| JP2728490B2 (en) * | 1989-02-21 | 1998-03-18 | マツダ株式会社 | Screw tightening method in the plastic region |
| JP4869490B2 (en) * | 2000-08-07 | 2012-02-08 | 株式会社東日製作所 | Torque wrench for retightening inspection |
| DE10133923B4 (en) * | 2001-07-12 | 2015-10-22 | Paul-Heinz Wagner | Method for automatically controlling a screwing operation |
| DE102004053288A1 (en) * | 2004-11-04 | 2006-05-11 | Paul-Heinz Wagner | Method for controlling a tightening behavior of a screwing device |
| SE0802378L (en) * | 2008-11-12 | 2010-02-09 | Atlas Copco Tools Ab | Method and apparatus for calibrating a compressed air supply system to a pneumatic nut carrier including a spacer pressure control unit |
| JP5304630B2 (en) * | 2009-12-24 | 2013-10-02 | トヨタ自動車株式会社 | Fastening torque inspection method and fastening torque inspection system for fastening members |
| SE534698C2 (en) * | 2010-06-08 | 2011-11-22 | Rocan System Ab | Device and method for indicating whether a fastening element when fastened in one piece has reached a tensile limit load |
| US10940577B2 (en) | 2017-07-19 | 2021-03-09 | China Pneumatic Corporation | Torque control system and torque control method for power impact torque tool |
| DE102017119623B4 (en) * | 2017-08-28 | 2019-10-24 | China Pneumatic Corporation | Torque control system and torque control method for electric shock with adjustable torque |
| GB2579661A (en) * | 2018-12-11 | 2020-07-01 | Tentec Ltd | Hydraulic tensioning apparatus |
| CN113560860B (en) * | 2020-04-28 | 2022-05-13 | 北京福田康明斯发动机有限公司 | Bolt tightening method |
| CN112903477B (en) * | 2021-01-25 | 2022-08-26 | 华东交通大学 | Method for measuring and calculating shearing strength of particle material system |
| WO2023072480A1 (en) * | 2021-10-26 | 2023-05-04 | Atlas Copco Industrial Technique Ab | Detecting tightening tool performance deterioration |
| CN114563120A (en) * | 2022-03-17 | 2022-05-31 | 中国电子科技集团公司第十四研究所 | Tightening torque determination method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307393A (en) * | 1963-12-23 | 1967-03-07 | Ingersoll Rand Co | Stress measuring device |
| DE1703681C3 (en) * | 1968-06-27 | 1973-11-29 | Daimler-Benz Ag, 7000 Stuttgart | Screwdriver for the automatic tightening of screws |
| GB1434726A (en) * | 1972-05-09 | 1976-05-05 | Standard Pressed Steel Co | Apparatus for and method of determining rotational or linear stiffeness |
| JPS4986999A (en) * | 1972-12-23 | 1974-08-20 | ||
| US3926264A (en) * | 1973-11-23 | 1975-12-16 | Thor Power Tool Co | Control circuit for a power tool |
| US3965778A (en) * | 1974-09-19 | 1976-06-29 | Standard Pressed Steel Co. | Multi-stage tightening system |
| US3939920A (en) * | 1974-09-19 | 1976-02-24 | Standard Pressed Steel Co. | Tightening method and system |
| ES440899A1 (en) * | 1974-09-19 | 1977-06-16 | Standard Pressed Steel Co | Apparatus for and method of determining rotational and linear stiffness |
| US3974685A (en) * | 1974-09-19 | 1976-08-17 | Standard Pressed Steel Co. | Tightening system and method |
| US4095325A (en) * | 1974-12-24 | 1978-06-20 | Sanyo Machine Works, Ltd. | Method for tightening bolts |
| US3974883A (en) * | 1975-05-19 | 1976-08-17 | Standard Pressed Steel Co. | Tightening system |
| US4027530A (en) * | 1976-03-31 | 1977-06-07 | Standard Pressed Steel Co. | Simplified apparatus for and method of tightening fasteners |
-
1977
- 1977-07-12 ZA ZA00774188A patent/ZA774188B/en unknown
- 1977-07-28 AU AU27402/77A patent/AU511166B2/en not_active Expired
- 1977-08-03 GB GB2821/80A patent/GB1591352A/en not_active Expired
- 1977-08-03 GB GB2822/80A patent/GB1591353A/en not_active Expired
- 1977-08-03 GB GB2823/80A patent/GB1591354A/en not_active Expired
- 1977-08-03 GB GB2824/80A patent/GB1591355A/en not_active Expired
- 1977-08-03 GB GB28244/77A patent/GB1591351A/en not_active Expired
- 1977-08-05 IT IT26530/77A patent/IT1109460B/en active
- 1977-08-06 DE DE19772735594 patent/DE2735594A1/en active Granted
- 1977-08-08 JP JP9490977A patent/JPS5322698A/en active Pending
- 1977-08-08 SE SE7708970A patent/SE7708970L/en not_active Application Discontinuation
- 1977-08-08 BE BE2056139A patent/BE857567A/en not_active IP Right Cessation
- 1977-08-08 CA CA284,293A patent/CA1130422A/en not_active Expired
- 1977-08-09 FR FR7724525A patent/FR2361203A1/en active Granted
- 1977-08-09 ES ES461482A patent/ES461482A1/en not_active Expired
- 1977-08-09 AR AR268733A patent/AR225724A1/en active
- 1977-08-09 BR BR7705265A patent/BR7705265A/en unknown
-
1981
- 1981-01-09 JP JP199081A patent/JPS56152588A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1591351A (en) | 1981-06-17 |
| FR2361203A1 (en) | 1978-03-10 |
| ES461482A1 (en) | 1978-06-16 |
| GB1591355A (en) | 1981-06-17 |
| JPS6336910B2 (en) | 1988-07-22 |
| JPS5322698A (en) | 1978-03-02 |
| CA1130422A (en) | 1982-08-24 |
| JPS56152588A (en) | 1981-11-26 |
| AU2740277A (en) | 1979-02-01 |
| DE2735594C2 (en) | 1988-09-08 |
| AU511166B2 (en) | 1980-07-31 |
| BR7705265A (en) | 1978-04-25 |
| GB1591353A (en) | 1981-06-17 |
| IT1109460B (en) | 1985-12-16 |
| ZA774188B (en) | 1979-05-30 |
| AR225724A1 (en) | 1982-04-30 |
| GB1591352A (en) | 1981-06-17 |
| GB1591354A (en) | 1981-06-17 |
| FR2361203B1 (en) | 1983-12-16 |
| DE2735594A1 (en) | 1978-03-09 |
| BE857567A (en) | 1977-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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