CN107824910A - A kind of internal thread helix initial angle positioner - Google Patents

A kind of internal thread helix initial angle positioner Download PDF

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Publication number
CN107824910A
CN107824910A CN201711237694.0A CN201711237694A CN107824910A CN 107824910 A CN107824910 A CN 107824910A CN 201711237694 A CN201711237694 A CN 201711237694A CN 107824910 A CN107824910 A CN 107824910A
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China
Prior art keywords
hole
internal thread
spacing hole
initial angle
spacing
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CN201711237694.0A
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CN107824910B (en
Inventor
杨建西
林海波
李仙根
张健
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Taizhou Vocational and Technical College
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Taizhou Vocational and Technical College
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Publication of CN107824910A publication Critical patent/CN107824910A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

The invention provides a kind of internal thread helix initial angle positioner, belong to technical field of tooling clamps.It solves existing internal thread and mends the problem of long machining accuracy is low, and scrappage is high.This internal thread helix initial angle positioner includes mounting seat and connecting seat, one end of mounting seat has the raised mounting post set, there is external screw thread in mounting post, the other end of mounting seat has the raised limited post set, there is spacing hole on connecting seat, limited post be embedded into spacing hole and limited post can in spacing hole sliding axially along spacing hole, connecting seat is circumferentially positioned with mounting seat.This internal thread helix initial angle positioner, which has, makes internal thread mend the advantages of long machining accuracy is high low with scrappage.

Description

A kind of internal thread helix initial angle positioner
Technical field
The invention belongs to technical field of tooling clamps, is related to a kind of internal thread helix initial angle positioner.
Background technology
In production assembling, usually part is fastened using thread connection, therefore, on product usually needs to process spiral shell Line, for example internal thread is processed in the product of hole class, and screw thread first processes need as needed during production and processing The screw thread of length is wanted, still, after machining, the length of screw thread originally processed is caused due to of all kinds not It is enough, it is necessary to it is machined go out the length of screw thread increase.
It is by screw die or wire taper sleeve tapping that existing reach, which mends long method one kind, and long spiral shell is mended using this kind of method Line, processing efficiency is low, and can only be directed to smaller and not high to the thread sizes required precision screw thread of screw thread nominal diameter.Separately It is that screw thread is carried out with numerically controlled lathe to mend long turning that a kind of reach, which mends long method, but this method is to the radial direction of work piece The free degree, axial freedom and helix start angle require higher, to the one of three degree of freedom when especially producing in batches Cause property requires very high.In production, the radial direction free degree, the coherence request of axial freedom can be realized with soft claw clamping, But because internal thread is located at the inside of workpiece, bad observation, the helix start angle of internal thread is difficult control, often in spiral shell During line mends length, thread can be damaged, and scrappage is high.
The content of the invention
The purpose of the present invention is to be directed to the above-mentioned problems in the prior art, it is proposed that a kind of internal thread helix starting Angle positioner, the technical problem of solution are how to improve machining accuracy when screw thread mends long, reduce scrappage.
The purpose of the present invention can be realized by following technical proposal:A kind of internal thread helix initial angle positioner, Including mounting seat and connecting seat, it is characterised in that one end of the mounting seat has the raised mounting post set, the mounting post Upper to have external screw thread, the other end of the mounting seat has the raised limited post set, has spacing hole, institute on the connecting seat State limited post be embedded into spacing hole and the limited post can in spacing hole sliding axially along spacing hole, the connecting seat with Mounting seat is circumferentially positioned.
This internal thread helix initial angle positioner is used to carry out female workpiece the long processing of screw thread benefit, Connecting seat is installed on the knife tower of lathe, has external screw thread in mounting post, and the length of mounting post is more than workpiece to be processed screw thread Length, workpiece screw thread rotation to be processed is connected in mounting post and screwed, by mounting post to the internal thread spiral shell in workpiece Spin line start angle is controlled, and control accuracy is high, so as to improve machining accuracy, reduces scrappage;Again by the spacing of mounting seat Post is inserted into the spacing hole of connecting seat, mobile knife tower, workpiece is extend into the soft claw of lathe, by soft claw to workpiece The radial direction free degree and axial freedom be controlled, move backward knife tower, separate mounting seat and connecting seat, then rotate installation Seat, makes workpiece be separated with mounting seat, and the distance that setting is then moved by cutter carries out the long processing of screw thread benefit to workpiece.Each work Part is all navigated in soft claw by mounting seat, connecting seat and mounting post, so that the uniformity of workpiece to be processed is good, workpiece exists When mending long screw thread, the blade of cutter is always positioned at the trough of thread, and thread will not damage, and machining accuracy is high, and scrappage is low.
In a kind of above-mentioned internal thread helix initial angle positioner, when the limited post is embedded into spacing hole When, the lateral wall of the limited post and the madial wall of spacing hole fit.Mounting seat and the basic tight fit of connecting seat are, it is necessary to apply Limited post can just be embedded into spacing hole by certain external force, and limited post is departed from into spacing hole, and this kind of structure, which improves, to be connected The stability of joint chair installation, so as to improve the uniformity for the workpiece that screw thread is connected in mounting post, makes each workpiece to be processed The circumferential free degree is consistent, improves machining accuracy when workpiece mends long screw thread, reduces scrappage.
In a kind of above-mentioned internal thread helix initial angle positioner, have on the lateral wall of the limited post in length The stopper slot of bar shaped, the stopper slot runs through the one end of limited post away from mounting post, spacer pin is provided with the connecting seat, described Spacer pin, which can be embedded into stopper slot, makes the connecting seat and mounting seat circumferentially positioned.Stopper slot and spacer pin are played spacing and led To effect, the cooperation of stopper slot and spacer pin makes connecting seat circumferentially positioned with mounting seat, and stopper slot is through limited post away from peace One end of dress post enables connecting seat to depart from mounting seat, and connecting seat is connected and departed from mounting seat convenient.
In a kind of above-mentioned internal thread helix initial angle positioner, the two side of the stopper slot is obliquely installed, The part that the spacer pin is located in mounting groove has the confined planes being obliquely installed, when the limited post is embedded into spacing hole When, the confined planes are fitted in the side wall of stopper slot.This kind of structure, increase the contact area between limited post and spacer pin, The stability connected between connecting seat and mounting seat is improved, so as to improve the uniformity for the workpiece that screw thread is connected in mounting post, Machining accuracy when workpiece mends long screw thread is improved, reduces scrappage.
In a kind of above-mentioned internal thread helix initial angle positioner, the mounting seat also includes installation portion, described Mounting post is located at the middle of installation portion side, and the limited post is located at the middle of installation portion opposite side, when the limited post When being embedded into spacing hole, the installation portion part protrusion is outside connecting seat.Installation portion part is protruded outside connecting seat, convenient behaviour Author captures installation portion, and facilitates operator that limited post is inserted into spacing hole, connecting seat is connected with mounting seat convenient, carries High processing efficiency.
Have in a kind of above-mentioned internal thread helix initial angle positioner, on the lateral wall of the installation portion and cut Face.Mark is played a part of in section, reminds the putting position of operator's connecting seat, facilitates operator to be aligned, make connecting seat and peace Fill seat to be connected conveniently, improve processing efficiency.
In a kind of above-mentioned internal thread helix initial angle positioner, there is mounting groove on the installation portion, it is described Mounting post is located at the middle of mounting groove.The setting of mounting groove makes mounting post easy to process, and that mounting post will not be excessively is convex Go out outside installation portion, improve the machining accuracy of mounting post, so as to improve the installation accuracy of workpiece, make the circumferential free degree one of workpiece Cause, improve machining accuracy, reduce scrappage.
Have in a kind of above-mentioned internal thread helix initial angle positioner, in the connecting seat and be through to spacing hole Positioning hole, the junction of the positioning hole and spacing hole is provided with gear edge, and the spacer pin is located in positioning hole, the positioning Limit spring and spacing plug are additionally provided with hole, the described spacing one end of plug closure positioning hole away from spacing hole is described spacing Spring one end is resisted against on spacer pin, and the other end of the limit spring is resisted against on spacing plug, and the limit spring makes limit Position pin can be resisted against gear along upper and part spacer pin is located in positioning hole.In the presence of spring force, spacing pin part is embedding Enter into stopper slot, i.e., the position of spacer pin can be finely adjusted according to being actually needed, so that connecting seat is circumferential with mounting seat The stability of positioning is good, connecting seat will not offset setting position, the installation accuracy of connecting seat is high, so as to improve workpiece to be processed Uniformity, machining accuracy when workpiece screw thread mends long is improved, reduces scrappage.
In a kind of above-mentioned internal thread helix initial angle positioner, also there is cushion hole, institute on the connecting seat State and buffer spring and buffering alignment pin are provided with cushion hole, there is dashpot on the lateral wall of the buffering alignment pin, it is described slow There is buffering projection, the buffering convex portion is embedded into dashpot, one end of the buffer spring on the madial wall of punching It is resisted against on connecting seat, the other end of the buffer spring is resisted against on buffering alignment pin, in the work of the buffer spring elastic force It can be resisted against with the lower buffering projection on the cell wall of dashpot.Buffering projection makes buffering alignment pin not taken off from cushion hole Fall, in the effect of buffer spring elastic force, buffering alignment pin plays a part of buffering, and with soft claw hardness will not will not occur for workpiece Collision, the installation accuracy of workpiece is improved, so as to improve the machining accuracy of workpiece.
In a kind of above-mentioned internal thread helix initial angle positioner, the connecting seat includes first connecting portion and the Two connecting portions, the spacing hole, positioning hole and cushion hole are respectively positioned in first connecting portion, and the second connecting portion connects positioned at first The middle of socket part side, the spacing hole are located at the middle of first connecting portion opposite side, and the positioning hole is located at spacing hole Top, the cushion hole is located at the lower section of spacing hole, and the opening of the spacing hole and cushion hole is towards identical.Positioning hole is located at The top of spacing hole, in the presence of the elastic force and spacer pin self gravitation of limit spring are dual, part spacer pin can be preferably It is embedded into stopper slot, improves the stability of connecting seat installation, so as to improves the consistent of workpiece that screw thread is connected in mounting post Property, machining accuracy when workpiece mends long screw thread is improved, reduces scrappage.
Compared with prior art, internal thread helix initial angle positioner provided by the invention has advantages below:
1st, the connecting seat of this internal thread helix initial angle positioner, which protrudes above, is provided with externally threaded mounting post, leads to Mounting post is crossed to control the circumferential free degree of workpiece to be processed, make each workpiece position after uniformity it is good, workpiece is mending long spiral shell During line, the blade of cutter is always positioned at the trough of thread, and thread will not damage, and machining accuracy is high, so as to reduce scrapping for workpiece Rate.
2nd, the connecting seat of this internal thread helix initial angle positioner and mounting seat are circumferentially positioned, and connecting seat and installation Seat can separate, and make the uniformity after each workpiece positioning good by the cooperation of connecting seat and mounting seat, process time shift moving knife tower Connecting seat and mounting seat can be made to be separated, for workpiece when mending long screw thread, the blade of cutter is always positioned at the trough of thread, thread It will not damage, machining accuracy is high, so as to reduce the scrappage of workpiece.
Brief description of the drawings
Fig. 1 is the overall structure sectional view of this internal thread helix initial angle positioner.
Fig. 2 is sectional view when this internal thread helix initial angle positioner connecting seat is connected with workpiece.
Fig. 3 is the rearview of this internal thread helix initial angle positioner connecting seat.
Fig. 4 is the rearview of this internal thread helix initial angle positioner.
In figure, 1, mounting seat;11st, mounting post;12nd, limited post;13rd, stopper slot;14th, installation portion;15th, section;16th, install Groove;2nd, connecting seat;21st, spacing hole;22nd, first connecting portion;23rd, second connecting portion;3rd, spacer pin;4th, positioning hole;5th, edge is kept off;6、 Limit spring;7th, spacing plug;8th, cushion hole;9th, buffer spring;10th, alignment pin is buffered;17th, dashpot;18th, projection is buffered; 19th, workpiece.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
This internal thread helix initial angle positioner is the workpiece 19 to having processed internal thread, due to the length of screw thread Spend short, the screw thread of workpiece 19 is carried out to mend long instrument, as shown in Figure 1 and Figure 2, this internal thread helix initial angle positioner Including mounting seat 1 and connecting seat 2.
Mounting seat 1 also includes limited post 12 and installation portion 14, and the middle of the side of installation portion 14 has mounting groove 16, spacing Post 12 is located at the middle of the opposite side of installation portion 14, and the middle of mounting groove 16 has the raised mounting post 11 set, mounting post There is external screw thread on 11, there is section 15 on the lateral wall of installation portion 14.As shown in figure 3, have on the lateral wall of limited post 12 Elongated stopper slot 13, stopper slot 13 run through the one end of limited post 12 away from mounting post 11, and the two side of stopper slot 13 is inclined Tiltedly set.
Connecting seat 2 includes first connecting portion 22 and second connecting portion 23, and first connecting portion 22 is in flat, second connecting portion 23 are in the form of a column, and spacing hole 21, positioning hole 4 and cushion hole 8 are provided with first connecting portion 22, second connecting portion 23 is positioned at the first connection The middle of the side of portion 22, spacing hole 21 are located at the middle of the opposite side of first connecting portion 22, and positioning hole 4 is located at spacing hole 21 Top, cushion hole 8 are located at the lower section of spacing hole 21, and the opening of spacing hole 21 and cushion hole 8 is towards identical.
Positioning hole 4 is through to spacing hole 21, and the junction of positioning hole 4 and spacing hole 21 is provided with gear along 5, and spacer pin 3 is worn In positioning hole 4, limit spring 6 and spacing plug 7 are additionally provided with positioning hole 4, spacing plug 7 blocks positioning hole 4 away from spacing The one end in hole 21, the one end of limit spring 6 are resisted against on spacer pin 3, and the other end of limit spring 6 is resisted against on spacing plug 7, limit Position spring 6 enables spacer pin 3 to be resisted against gear along 5 and part spacer pin 3 is located in spacing hole 21.
Buffer spring 9 and buffering alignment pin 10 are provided with cushion hole 8, buffering on the lateral wall of alignment pin 10 has dashpot 17, there is buffering projection 18, buffering projection 18 is partially embedded into dashpot 17, buffer spring 9 on the madial wall of cushion hole 8 One end is resisted against on connecting seat 2, and the other end of buffer spring 9 is resisted against on buffering alignment pin 10, in the work of the elastic force of buffer spring 9 It can be resisted against on buffering alignment pin 10 with lower buffering projection 18.
When limited post 12 is embedded into spacing hole 21, the madial wall of the lateral wall and spacing hole 21 of limited post 12 is affixed Close, the part that spacer pin 3 is located in mounting groove 16 has the confined planes being obliquely installed, and confined planes are fitted in the side wall of stopper slot 13 On, spacer pin 3, which can be embedded into stopper slot 13, makes connecting seat 2 and mounting seat 1 circumferentially positioned, as shown in figure 4, the part of installation portion 14 Protrusion is outside connecting seat 2.
During processing, connecting seat 2 is fixed on the knife tower of lathe, the screw thread rotation of workpiece 19 to be processed is connected to installation On post 11, then the limited post 12 of mounting seat 1 is inserted into the spacing hole 21 of connecting seat 2, makes connecting seat 2 and mounting seat 1 circumferential Positioning, mobile knife tower, workpiece 19 is extend into the soft claw of lathe, workpiece 19 is clamped by soft claw, then moves backward Knife tower, separate mounting seat 1 and connecting seat 2, then rotary mounting seat 1, workpiece 19 is separated with mounting seat 1, finally by cutter Screw thread is carried out to workpiece 19 and mends long processing, after machining, workpiece 19 is unloaded, completes the processing of a workpiece 19.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although mounting seat 1, mounting post 11, limited post 12, stopper slot 13, installation portion 14, section have more been used herein 15th, mounting groove 16, connecting seat 2, spacing hole 21, first connecting portion 22, second connecting portion 23, spacer pin 3, positioning hole 4, gear along 5, Limit spring 6, spacing plug 7, cushion hole 8, buffer spring 9, buffering alignment pin 10, dashpot 17, buffering projection 18, workpiece 19 Deng term, but it is not precluded from the possibility using other terms.Conciliate using these terms just for the sake of more easily description Release the essence of the present invention;Any additional limitation is construed as all to disagree with spirit of the present invention.

Claims (10)

1. a kind of internal thread helix initial angle positioner, including mounting seat (1) and connecting seat (2), it is characterised in that described One end of mounting seat (1) has the raised mounting post (11) set, has external screw thread, the mounting seat on the mounting post (11) (1) the other end has the raised limited post (12) set, has spacing hole (21), the limited post on the connecting seat (2) (12) be embedded into spacing hole (21) and the limited post (12) can in spacing hole (21) sliding axially along spacing hole (21), The connecting seat (2) and mounting seat (1) are circumferentially positioned.
2. a kind of internal thread helix initial angle positioner according to claim 1, it is characterised in that when described spacing When post (12) is embedded into spacing hole (21), the madial wall of the lateral wall and spacing hole (21) of the limited post (12) fits.
A kind of 3. internal thread helix initial angle positioner according to claim 1, it is characterised in that the limited post (12) there is elongated stopper slot (13), the stopper slot (13) is through limited post (12) away from mounting post on lateral wall (11) one end, spacer pin (3) is provided with the connecting seat (2), the spacer pin (3), which can be embedded into stopper slot (13), makes institute State connecting seat (2) and mounting seat (1) is circumferentially positioned.
A kind of 4. internal thread helix initial angle positioner according to claim 3, it is characterised in that the stopper slot (13) two side is obliquely installed, and the part that the spacer pin (3) is located in mounting groove (16) has the confined planes being obliquely installed, When the limited post (12) is embedded into spacing hole (21), the confined planes are fitted in the side wall of stopper slot (13).
A kind of 5. internal thread helix initial angle positioner according to claim 1 or 2 or 3 or 4, it is characterised in that The mounting seat (1) also includes installation portion (14), and the mounting post (11) is located at the middle of installation portion (14) side, the limit Position post (12) is located at the middle of installation portion (14) opposite side, when the limited post (12) is embedded into spacing hole (21), institute Installation portion (14) part is stated to protrude in connecting seat (2) outside.
A kind of 6. internal thread helix initial angle positioner according to claim 5, it is characterised in that the installation portion (14) there are section (15) on lateral wall.
A kind of 7. internal thread helix initial angle positioner according to claim 5, it is characterised in that the installation portion (14) there is mounting groove (16), the mounting post (11) is located at the middle of mounting groove (16) on.
A kind of 8. internal thread helix initial angle positioner according to claim 1 or 2 or 3 or 4, it is characterised in that There is the positioning hole (4) for being through to spacing hole (21), the positioning hole (4) and the company of spacing hole (21) in the connecting seat (2) Meet place and be provided with gear edge (5), the spacer pin (3) is located in positioning hole (4), and limit spring is additionally provided with the positioning hole (4) (6) and spacing plug (7), the spacing plug (7) block the one end of positioning hole (4) away from spacing hole (21), the spacing bullet Spring (6) one end is resisted against on spacer pin (3), and the other end of the limit spring (6) is resisted against on spacing plug (7), the limit Position spring (6) makes spacer pin (3) to be resisted against gear along (5) and part spacer pin (3) is located in spacing hole (21).
A kind of 9. internal thread helix initial angle positioner according to claim 8, it is characterised in that the connecting seat (2) also there is cushion hole (8) on, buffer spring (9) and buffering alignment pin (10), the buffering are provided with the cushion hole (8) There is dashpot (17) on the lateral wall of alignment pin (10), there is buffering projection (18), institute on the madial wall of the cushion hole (8) Buffering projection (18) to be stated to be partially embedded into dashpot (17), one end of the buffer spring (9) is resisted against on connecting seat (2), The other end of the buffer spring (9) is resisted against on buffering alignment pin (10), the institute in the presence of the buffer spring (9) elastic force Stating buffering projection (18) can be resisted against on the cell wall of dashpot (17).
A kind of 10. internal thread helix initial angle positioner according to claim 9, it is characterised in that the connection Seat (2) includes first connecting portion (22) and second connecting portion (23), and the spacing hole (21), positioning hole (4) and cushion hole (8) are equal In first connecting portion (22), the second connecting portion (23) is located at the middle of first connecting portion (22) side, the limit Position hole (21) is located at the middle of first connecting portion (22) opposite side, and the positioning hole (4) is located at the top of spacing hole (21), institute State the lower section that cushion hole (8) is located at spacing hole (21), the opening of the spacing hole (21) and cushion hole (8) is towards identical.
CN201711237694.0A 2017-11-30 2017-11-30 Internal thread helix initial angle positioner Active CN107824910B (en)

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CN107824910B CN107824910B (en) 2024-01-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958066A (en) * 2020-08-11 2020-11-20 天津大学 Machining method of thread pair with controllable circumferential positioning angle

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2141890C1 (en) * 1998-01-30 1999-11-27 Акционерное общество закрытого типа "Научно-производственное предприятие "Нефтетрубосервис" Tool for restoring cone threads of oil production tubes
CN102350548A (en) * 2011-09-30 2012-02-15 中国石化集团西南石油局管具公司 Tool setting method for repairing thread by using numerically controlled lathe
CN102744429A (en) * 2012-04-20 2012-10-24 沈阳工业大学 Detecting positioning device and method for helical track on numerical control screw thread repairing lathe
CN102744472A (en) * 2012-04-20 2012-10-24 沈阳工业大学 Device for mechanically positioning screw tracks on numerical control thread repairing lathe and positioning method
CN102814511A (en) * 2012-04-20 2012-12-12 沈阳工业大学 Device and method for detecting and adjusting spiral tracks on spindle of numerical control thread repairing lathe
CN103231200A (en) * 2013-04-22 2013-08-07 天津德华石油装备制造有限公司 Repairing method of threads of oil drill pipe
CN104475879A (en) * 2014-10-30 2015-04-01 康徐红 Processing technology adopting special starting point for processing internal thread
CN205008697U (en) * 2015-10-12 2016-02-03 李贵长 Minor diameter deep hole internal thread secondary turning tool setting chi
US20160303672A1 (en) * 2013-11-22 2016-10-20 Jaguar Land Rover Limited Method of producing a rotationally oriented thread
CN106424981A (en) * 2016-10-27 2017-02-22 上海新力动力设备研究所 Novel method for accurately positioning thread of engine casing
CN207592963U (en) * 2017-11-30 2018-07-10 台州职业技术学院 A kind of internal thread helix initial angle positioning device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2141890C1 (en) * 1998-01-30 1999-11-27 Акционерное общество закрытого типа "Научно-производственное предприятие "Нефтетрубосервис" Tool for restoring cone threads of oil production tubes
CN102350548A (en) * 2011-09-30 2012-02-15 中国石化集团西南石油局管具公司 Tool setting method for repairing thread by using numerically controlled lathe
CN102744429A (en) * 2012-04-20 2012-10-24 沈阳工业大学 Detecting positioning device and method for helical track on numerical control screw thread repairing lathe
CN102744472A (en) * 2012-04-20 2012-10-24 沈阳工业大学 Device for mechanically positioning screw tracks on numerical control thread repairing lathe and positioning method
CN102814511A (en) * 2012-04-20 2012-12-12 沈阳工业大学 Device and method for detecting and adjusting spiral tracks on spindle of numerical control thread repairing lathe
CN103231200A (en) * 2013-04-22 2013-08-07 天津德华石油装备制造有限公司 Repairing method of threads of oil drill pipe
US20160303672A1 (en) * 2013-11-22 2016-10-20 Jaguar Land Rover Limited Method of producing a rotationally oriented thread
CN104475879A (en) * 2014-10-30 2015-04-01 康徐红 Processing technology adopting special starting point for processing internal thread
CN205008697U (en) * 2015-10-12 2016-02-03 李贵长 Minor diameter deep hole internal thread secondary turning tool setting chi
CN106424981A (en) * 2016-10-27 2017-02-22 上海新力动力设备研究所 Novel method for accurately positioning thread of engine casing
CN207592963U (en) * 2017-11-30 2018-07-10 台州职业技术学院 A kind of internal thread helix initial angle positioning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958066A (en) * 2020-08-11 2020-11-20 天津大学 Machining method of thread pair with controllable circumferential positioning angle
CN111958066B (en) * 2020-08-11 2022-12-02 天津大学 Machining method of thread pair with controllable circumferential positioning angle

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