CN102110389A - Dynamic metal cutting process-observable experimental device - Google Patents

Dynamic metal cutting process-observable experimental device Download PDF

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Publication number
CN102110389A
CN102110389A CN 201010551787 CN201010551787A CN102110389A CN 102110389 A CN102110389 A CN 102110389A CN 201010551787 CN201010551787 CN 201010551787 CN 201010551787 A CN201010551787 A CN 201010551787A CN 102110389 A CN102110389 A CN 102110389A
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China
Prior art keywords
experimental provision
worktable
belt pulley
experimental
guide rail
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Application number
CN 201010551787
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Chinese (zh)
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CN102110389B (en
Inventor
张悦
韩立
姜彤
台立刚
刘宣彤
杜先鹏
左秋阳
刘儒
王云志
高峰
宋淑媛
孙泰礼
郑鹏
于慎波
张希川
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Shenyang University of Technology
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Shenyang University of Technology
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Priority to CN201010551787A priority Critical patent/CN102110389B/en
Publication of CN102110389A publication Critical patent/CN102110389A/en
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Publication of CN102110389B publication Critical patent/CN102110389B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to an experimental device, in particular to a dynamic metal cutting process-observable experimental device. The experimental device comprises a frame, wherein the frame is formed by welding square steel tubes and is divided into an upper layer, a middle layer and a lower layer; the upper layer mainly comprises a linear guide rail, a sliding block, an operating platform, a portal frame, a tool rest, a tool, a workpiece, a microscopy camera, a computer and a display; the middle layer mainly comprises a swinging needle type planet gear speed reducer, a belt pulley and a screw rod nut; the lower layer mainly comprises a frequency converter, a motor, a swinging needle type planet gear speed reducer and a belt pulley; by the frequency converter, the frequency of the motor can be changed so as to finally change the movement speed of the operating platform; and when the tool cuts the workpiece, the microscopy camera is used for shooting pictures and displaying the shot pictures through the computer in real time and can be used for picture taking or image recording. Through the implementation of the device, a dynamic metal cutting process can be observed, the phenomenon is obvious and the consumed time is short; and the experimental device is easy to operate and has low cost.

Description

A kind of experimental provision of observing dynamic metal cutting process
?
One, technical field: the present invention relates to a kind of experimental provision, be specially adapted to a kind of experimental provision of observing dynamic cutting lay deformation process.
Two, background technology: metal cutting process is under the cutter effect, and the process that machined material deforms also is the cutting lay metal forms smear metal under the effect of cutting force a process.The cutting lay metal deformation roughly can be divided into three zones: first distorted area, the second sex change district and the 3rd sex change district wherein the most important thing is first distorted area, are also referred to as the shear zone.In this zone, metal is done detrusion along skid wire, and crystal grain can extend, and then separates with matrix, and moves along rake face, forms smear metal.And because workpiece material and machining condition different, the smear metal shape that generates in the working angles has band shape, nodular, granular and collapse four types of broken shapes.In addition; not high and can produce under the situation of flow chip in cutting speed, when processing plastic material such as general steel material or aluminium alloy, also cut the lump that section of adhesion is triangular shape at rake face through regular meeting; be called built-up edge, visible metal cutting process is very complicated process.
In teaching and scientific research, need observe metal cutting process.At present, the method that can adopt has side distortion observation, high-speed photography method, quick roll setting method, the stereoscopic camera chain of online transient state, scanning electron microscope microscopic inspection, photoelasticity photoplasticity test method(s) etc.Wherein, side distortion observation is easier method, but all realizes that by transforming milling machine the whole experimental system cost that comprises milling machine is near 100,000 yuan, and being used for scientific research has been beyond affordability, says nothing of to be used for teaching.Quick roll setting method, though cost is lower, the experiment difficulty is higher, success ratio is lower, experimentation will have that cutting, test specimen are made, inlayed, polishing, burn into microscopic etc., complex steps, length consuming time, maximum shortcoming is static observation, so be not suitable for experimental teaching.
To sum up, the present invention has provided a kind of experimental provision of observing dynamic metal cutting process, and is with low cost, on one side can cut, Yi Bian observe, phenomenon is obvious, and effect is fine.
Three, summary of the invention:
1, goal of the invention: the invention provides a kind of experimental provision of observing dynamic metal cutting process, its objective is to reduce cost, it is consuming time to shorten experiment, improves experiment effect, handled easily.
2, technical scheme: the present invention implements according to following technical scheme:
A kind of experimental provision that dynamic observes the cutting lay deformation process, it is characterized in that: the frame of this experimental provision is welded by square steel tube, be divided into upper, middle and lower-ranking, the primary structure on upper strata is: be provided with guide rail on operating table surface, guide rail is provided with movably worktable, a portal frame is on guide rail, cutter and microimaging machine are arranged on the portal frame, computing machine is connected by the control part of line with microimaging machine and experimental provision with display, realizes the control of shooting and process; The primary structure in middle level is: leading screw, leading screw shaft coupling, the second pendulum pin type planet wheel decelerator are connected with upper belt pulley; The primary structure of lower floor is: frequency converter, motor, motor shaft coupling are connected with following belt pulley by the first pendulum pin type planet wheel decelerator; Web joint is connected with the worktable on upper strata with the leading screw of nut with the middle level; The V-type band is connected the upper belt pulley in middle level with the following belt pulley of lower floor.
The portal frame front is equipped with knife rest, and can regulate the height of cutter, and range of adjustment is 0mm ~ 20mm; The side is equipped with the microimaging frame, and the microimaging machine also is installed on it, and can be up and down and left and right sides both direction adjusting microimaging seat in the plane put, the up-down adjustment scope is 0mm ~ 50mm, the left and right adjusting scope is 0mm ~ 100mm.
Be provided with slide block between worktable and the guide rail, worktable is provided with bench vice.
The two ends that are positioned on the guide rail are provided with left limit contact and right limit contact.
The translational speed of worktable is 1mm/min ~ 20mm/min.
3, advantage and effect: by enforcement of the present invention, can be observed dynamic metal cutting process, phenomenon is obvious, and this experimental provision is simple to operate, with low cost.
Four, description of drawings;
Fig. 1 is the experimental provision synoptic diagram.
Fig. 2 is an experimental provision upper strata left view.
Among the figure, mark 1-frame; 2-left shaft holder; 3-left limit contact; 4-guide rail; 5-slide block; 6-worktable; 7-bench vice; 8-workpiece; 9-cutter; 10-knife rest; 11-portal frame; 12-microimaging frame; 13-computing machine and display; 14-upper belt pulley; 15-V-type band; 16-following belt pulley; 17-the first pendulum pin type planet wheel decelerator; 18-motor shaft coupling; 19-motor; 20-frequency converter; 21-web joint; 22-nut; 23-leading screw; 24-right limit contact; 25-right bearing seat; 26-leading screw shaft coupling; 27-the second pendulum pin type planet wheel decelerator; 28-microimaging machine.
Five, embodiment:
A kind of experimental provision of observing dynamic metal cutting process is characterized in that: frame 1 is welded by square steel tube, is divided into upper, middle and lower-ranking.
The upper strata comprises: left limit contact 3, guide rail 4, slide block 5, worktable 6, bench vice 7, workpiece 8, cutter 9, knife rest 10, portal frame 11, microimaging frame 12, computing machine and display 13, right limit contact 24, microimaging machine 28.
The middle level comprises: left shaft holder 2, upper belt pulley 14, nut 22, leading screw 23, right bearing seat 25, leading screw shaft coupling 26; The second pendulum pin type planet wheel decelerator 27.
Lower floor comprises: following belt pulley 16, the first pendulum pin type planet wheel decelerator 17, motor shaft coupling 18, motor 19, frequency converter 20.
Bench vice 7 is fixed on the worktable 6, is used for clamping work pieces 8.
The worktable 6 that is positioned at the upper strata links to each other with the nut 22 that is positioned at the middle level by web joint 21; The upper belt pulley 14 that is positioned at the middle level links to each other with the following belt pulley 16 that is positioned at lower floor by V-type band 15.
Frequency converter 20 uses three-phase 380V power supply, 3 live wires, 1 ground wire.Change the frequency of operation of motor 19 by frequency converter 20, thereby change the rotating speed of motor 19, the translational speed that finally makes worktable 6 is 1mm/min ~ 20mm/min.
Portal frame 11 fronts are equipped with knife rest 10, and can regulate the height of cutter 9, and range of adjustment is 0mm ~ 20mm; The side is equipped with microimaging frame 12, and microimaging machine 28 also is installed on it, and about the energy and left and right sides both direction adjusting microimaging machine 28 positions, and the up-down adjustment scope is 0mm ~ 50mm, and the left and right adjusting scope is 0mm ~ 100mm.
Microimaging machine 28 links to each other with display 13 with computing machine by data line, the image of taking can be shown in real time.
Adopt high-speed steel tool cutting aluminium sheet to experimentize, at this moment, high-speed steel tool is cutter 9, and aluminium sheet is workpiece 8.
At first, aluminium sheet is fixed on the bench vice 7, high-speed steel tool is fixed on the knife rest 10.
Then,, worktable 6 low speed are moved, when the cutter, shut down up to the aluminium sheet edge by frequency converter 20 actuating motors 19.
Next, adjust the position of microimaging machine 28, aluminium sheet edge and high-speed steel tool cutting edge are all come into view, by screen display, adjust the height of high-speed steel tool, make cutter can switch to aluminium sheet, cutting depth is adjusted into 0.1mm ~ 0.2mm.
Then,, worktable is moved by 10mm/min speed once more by frequency converter 20 actuating motors 19, when the aluminium sheet top layer is cut when forming smear metal, promptly capable of taking pictures or video recording, annex 1 is the cutter photo, annex 2 is the metal cutting process photo.
When worktable 6 is moved to the left, if slide block touches left limit contact 3, then motor 19 is stopped operating by frequency converter 20, finally make worktable 6 stop to move.
When worktable 6 moves right, if slide block touches right limit contact 24, then also can motor 19 be stopped operating by frequency converter 20, finally make worktable 6 stop to move.
Shown in the annex of the examination as to substances petition is the present invention's photo in use, reference as substantive examination, annex 1 in the material is the cutter photo, and annex 2 is the metal cutting process photo, can see the know image of cutter in when cutting from photo.

Claims (5)

1. experimental provision that can dynamic observe the cutting lay deformation process, it is characterized in that: the frame of this experimental provision (1) is welded by square steel tube, be divided into, in, following three layers, the primary structure on upper strata is: be provided with guide rail (4) on operating table surface, guide rail (4) is provided with movably worktable (6), a portal frame (11) is on guide rail (4), cutter (9) and microimaging machine (28) are arranged on the portal frame (11), computing machine is connected by the control part of line with microimaging machine (28) and experimental provision with display (13), realizes the control of shooting and process; The primary structure in middle level is: leading screw (23), leading screw shaft coupling (26), the second pendulum pin type planet wheel decelerator (27) are connected with upper belt pulley (14); The primary structure of lower floor is: frequency converter (20), motor (19), motor shaft coupling (18) are connected with following belt pulley (16) by the first pendulum pin type planet wheel decelerator (17); Web joint (21) is connected with the worktable (6) on upper strata with the leading screw (23) of nut (22) with the middle level; V-type band (15) is connected the upper belt pulley (14) in middle level with the following belt pulley (16) of lower floor.
2. a kind of experimental provision that dynamic observes the cutting lay deformation process according to claim 1 is characterized in that: portal frame (11) front is equipped with knife rest (10), and can regulate the height of cutter (9), and range of adjustment is 0mm ~ 20mm; The side is equipped with microimaging frame (12), and microimaging machine (28) also is installed on it, and about the energy and left and right sides both direction adjusting microimaging machine (28) position, and the up-down adjustment scope is 0mm ~ 50mm, and the left and right adjusting scope is 0mm ~ 100mm.
3. a kind of experimental provision that dynamic observes the cutting lay deformation process according to claim 1 is characterized in that: be provided with slide block (5) between worktable (6) and the guide rail (4), worktable (6) is provided with bench vice (7).
4. a kind of experimental provision that dynamic observes the cutting lay deformation process according to claim 1 is characterized in that: the two ends that are positioned on the guide rail (4) are provided with left limit contact (3) and right limit contact (24).
5. a kind of experimental provision that dynamic observes the cutting lay deformation process according to claim 1 is characterized in that: the translational speed of worktable (6) is 1mm/min ~ 20mm/min.
CN201010551787A 2010-11-22 2010-11-22 Dynamic metal cutting process-observable experimental device Expired - Fee Related CN102110389B (en)

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Application Number Priority Date Filing Date Title
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CN102110389A true CN102110389A (en) 2011-06-29
CN102110389B CN102110389B (en) 2012-09-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903273A (en) * 2012-10-23 2013-01-30 长春宝钢钢材贸易有限公司 Flicker swinging and trimming line practical training operation system and implementation method thereof
CN103065541A (en) * 2013-01-02 2013-04-24 长春宝钢钢材贸易有限公司 Pendulum shear line three-dimension analogue simulation system and achieving method
CN103985276A (en) * 2014-05-23 2014-08-13 徐州工程学院 Multifunctional dynamic geometric angle displaying device for cutter
CN105021616A (en) * 2015-07-15 2015-11-04 中国石油大学(华东) High-speed cutting deformation field transient measurement device and application method thereof
CN105067469A (en) * 2015-07-27 2015-11-18 西北工业大学 Parameter adjustable-right angle and oblique angle cutting test apparatus and cutting method thereof
CN107274776A (en) * 2017-06-08 2017-10-20 天津大学 A kind of Modular high-speed cutting experiment platform based on Hopkinson pressure bar device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871312B (en) * 2014-03-25 2016-01-20 东北大学 A kind of tool for cutting machining operating angle change tread demonstrating experiment device

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CN2561562Y (en) * 2002-08-13 2003-07-23 上海博士高环保设备工程有限公司 Cutters
CN1518491A (en) * 2002-02-21 2004-08-04 阿文得布哈・拉夫吉布哈・帕特尔 Novel laser diamond sawing machine
US20060118530A1 (en) * 2004-12-07 2006-06-08 Chih-Ming Hsu Method and apparatus for cutting a chip by laser
US20070053057A1 (en) * 2005-09-07 2007-03-08 Reto Zust Apparatus And Method For Producing Multiple Images Of A Specimen
CN201174046Y (en) * 2008-02-14 2008-12-31 七忆科技国际股份有限公司 Cutting path system capable of correcting in advance for cutting stroke

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Publication number Priority date Publication date Assignee Title
CN1189117A (en) * 1995-05-25 1998-07-29 吉莱特公司 Inspection of edges
CN1518491A (en) * 2002-02-21 2004-08-04 阿文得布哈・拉夫吉布哈・帕特尔 Novel laser diamond sawing machine
CN2561562Y (en) * 2002-08-13 2003-07-23 上海博士高环保设备工程有限公司 Cutters
US20060118530A1 (en) * 2004-12-07 2006-06-08 Chih-Ming Hsu Method and apparatus for cutting a chip by laser
US20070053057A1 (en) * 2005-09-07 2007-03-08 Reto Zust Apparatus And Method For Producing Multiple Images Of A Specimen
CN201174046Y (en) * 2008-02-14 2008-12-31 七忆科技国际股份有限公司 Cutting path system capable of correcting in advance for cutting stroke

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903273A (en) * 2012-10-23 2013-01-30 长春宝钢钢材贸易有限公司 Flicker swinging and trimming line practical training operation system and implementation method thereof
CN102903273B (en) * 2012-10-23 2014-11-19 长春宝钢钢材贸易有限公司 Flicker swinging and trimming line practical training operation system and implementation method thereof
CN103065541A (en) * 2013-01-02 2013-04-24 长春宝钢钢材贸易有限公司 Pendulum shear line three-dimension analogue simulation system and achieving method
CN103985276A (en) * 2014-05-23 2014-08-13 徐州工程学院 Multifunctional dynamic geometric angle displaying device for cutter
CN103985276B (en) * 2014-05-23 2015-11-11 徐州工程学院 Multi-functional dynamic tool geometry angle apparatus for demonstrating
CN105021616A (en) * 2015-07-15 2015-11-04 中国石油大学(华东) High-speed cutting deformation field transient measurement device and application method thereof
CN105021616B (en) * 2015-07-15 2016-08-17 中国石油大学(华东) A kind of high-speed cutting deformation field instantaneous measurement device and using method
CN105067469A (en) * 2015-07-27 2015-11-18 西北工业大学 Parameter adjustable-right angle and oblique angle cutting test apparatus and cutting method thereof
CN105067469B (en) * 2015-07-27 2017-10-10 西北工业大学 A kind of cutting process at the right angle of adjustable parameter and inclined cutting experimental rig
CN107274776A (en) * 2017-06-08 2017-10-20 天津大学 A kind of Modular high-speed cutting experiment platform based on Hopkinson pressure bar device

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