CN103737429A - Milling force testing device for precision milling of multi-hardness spliced quenched steel inclined plane by using ball-end milling cutter - Google Patents
Milling force testing device for precision milling of multi-hardness spliced quenched steel inclined plane by using ball-end milling cutter Download PDFInfo
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- CN103737429A CN103737429A CN201310491468.0A CN201310491468A CN103737429A CN 103737429 A CN103737429 A CN 103737429A CN 201310491468 A CN201310491468 A CN 201310491468A CN 103737429 A CN103737429 A CN 103737429A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2717/00—Arrangements for indicating or measuring
- B23Q2717/006—Arrangements for indicating or measuring in milling machines
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Abstract
A milling force testing device for precision milling of a multi-hardness spliced quenched steel inclined plane by using a ball-end milling cutter comprises a high-speed numerical control milling center, a left test piece, a middle test piece and a right test piece are different in hardness and are fixed on a connection plate which is arranged on a fixed block, the fixed block is arranged on a base, a set inclined angle is formed between the upper surface of the base and the horizontal direction, the base is fixed to a workpiece platform, strain sensors are respectively arranged on one side, parallel to the feeding direction of the milling cutter, of the fixed block and on one side, perpendicular to the feeding direction of the milling cutter, of the fixed block, and the two strain sensors are connected with a test center through a data acquisition card. The milling force testing device can record and analyze conditions of milling force in the feeding direction and milling force perpendicular to the feeding direction when the inclined plane made of different-hardness materials are precisely milled by the ball-end milling cutter, and can record and analyze milling vibration change situations during transition from low-hardness materials to high-hardness materials and during transition from high-hardness materials to low-hardness materials.
Description
Technical field
Patent of the present invention relates to a kind of device for testing cutting force that uses the many hardness splicings of rose cutter precision milling hardened steel inclined-plane, refer to especially a kind of direction of feed cutting force can record and analyze milling different hardness material in a milling process time and perpendicular to the cutting force situation, particularly record analysis of direction of feed from compared with low-durometer material during to higher hardness material transition with from higher hardness material the testing arrangement of the cutting force changing condition when compared with low-durometer material transition.
Background technology
Along with the development of modern industrial technology, for precision and the complexity of machine-building and processing, require day by day to improve.There is the labyrinths such as a large amount of grooves, corner, projection, depression in the mold cavity of large-scale auto body panels, manufactures differently with processing technology requirement, and in punching course, is prone to the problems such as serious wear, plucking drawing crack and mould cannot be used.In order to address the above problem, meet the stressed no requirement of die cavity different parts, often by splicing construction form, produce the mold cavity of many hardness.
Precision milling processing is the important method of car panel die pocket machining, and the fine finishining of splicing mold cavity need to and utilize at same CNC lathe and same cutter be completed, and cutter life, requirement reached more than 4-12 hour.During by rose cutter milling Hardened Steel Workpiece plane, working angles and tool wear are subject to the impact at tool axis inclination angle larger.When tool axis is during perpendicular to finished surface, the Milling Speed of point of a knife point is close to zero, and effectively chip space is very little, easily weares and teares and causes tipping, affect workpiece crudy and processing cost is increased, be therefore necessary very much to make cutter and finished surface form certain angle of inclination.
In Milling Processes, cutting force not only affects the shaping surface quality of workpiece, also affect the service life of cutter, therefore be necessary the cutting force of many hardness of ball-end milling spliced materials inclined ramp to carry out testing research, to optimize Milling Parameters, reduce Milling Force, improve shaping surface quality and cutter life.And existing device for testing cutting force can not meet the requirement of many hardness of experiment test spliced materials ball-end milling cutting force, as Chinese patent CN1727115A discloses a kind of measuring milling force for honeycomb type flexible material method and device thereof, this device has the measuring milling force platform being connected, data collecting card, can measure the suffered Milling Force size of honeycomb type flexible material whole and part in high-speed milling process, can measure honeycomb type flexible material in high-speed milling process under specific fixing condition, local maximum deformation quantity and the area distribution of distortion, this device can only be tested specific flexible material, can not test high rigidity hardened steel, can not meet the requirement of many hardness of this test experiments test ball-end milling spliced materials inclined ramp cutting force test.
Summary of the invention
In order to overcome the deficiency that can only test the test of homogenous material cutting force of existing cutting force measurement device, the cutting force situation, particularly record analysis that the invention provides a kind of direction of feed cutting force can record and analyze bulb precision milling different hardness material inclined ramp in a milling process time and direction of feed vertical direction from compared with low-durometer material during to higher hardness material transition with from higher hardness material many hardness spliced materials ball-end milling device for testing cutting force of the cutting force changing condition when compared with low-durometer material transition.
The technical solution adopted for the present invention to solve the technical problems is:
The device for testing cutting force on the many hardness splicings of a kind of rose cutter precision milling hardened steel inclined-plane, comprise high-speed numeric control Milling Machining Center, described high-speed numeric control Milling Machining Center comprises frame, main shaft and milling cutter, described main shaft is installed in rotation in frame, described milling cutter is arranged on main shaft lower end, workpiece to be processed is positioned at the below of described milling cutter, described workpiece to be processed comprises left side test specimen, middle test specimen and the right test specimen, described left side test specimen, middle test specimen is different with the hardness of the right test specimen, described left side test specimen, middle test specimen and the right test specimen are fixed on connecting plate, described connecting plate is arranged on fixed block, described fixed block is arranged on base, the upper surface of described base is from the horizontal by the angle of inclination of setting, the work stage of described base and high-speed numeric control Milling Machining Center is fixed, strain transducer is arranged on respectively a side identical with milling cutter direction of feed on described fixed block and the side with milling cutter direction of feed vertical direction, two strain transducers are all connected with data collecting card, and described data collecting card is connected with the test center of the situation in order to record high-speed milling process cutting force.
Further, the hardness of the right test specimen is high described in the hardness ratio of described left side test specimen, described in the middle of described in the hardness ratio of test specimen the hardness of left side test specimen and the right test specimen high.
Further, between described left side test specimen, middle test specimen and the right test specimen, connect into an entirety, on described connecting plate, there is the first counter sink, on the first described counter sink, install in order to fixing described connecting plate and the hexagon socket cap head screw of described left side test specimen, middle test specimen and the right test specimen, on described connecting plate, have the second counter sink, on the second described counter sink, be provided with in order to connect the socket head screw of described connecting plate and described fixed block.
The beneficial effect of patent of the present invention is mainly manifested in: the direction of feed cutting force in the time of recording and analyze milling different hardness material inclined ramp in a milling process and the cutting force situation of direction of feed vertical direction, particularly record analysis from compared with low-durometer material during to higher hardness material transition with from higher hardness material the cutting force changing condition when compared with low-durometer material transition, there is certain portability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of apparatus of the present invention.
Fig. 2 is tilted workpiece clamping device figure of the present invention, wherein, (a) is front view, is (b) top view of workpiece to be processed.
Fig. 3 is the schematic diagram of connecting plate of the present invention, wherein, (a) is top view, is (b) cutaway view.
Fig. 4 is the schematic diagram of fixed block of the present invention, wherein, (a) is top view, is (b) cutaway view.
Fig. 5 be base of the present invention schematic diagram, wherein, (a) be cutaway view, be (b) top view.
Fig. 6 is the scheme of installation of strain transducer of the present invention, wherein, (a) is front view, is (b) top view.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
With reference to Fig. 1～Fig. 5, a kind of device for testing cutting force that uses the many hardness splicings of rose cutter precision milling hardened steel inclined-plane, the structural design that combining with digital control machining center and tilted workpiece clamping device carry out.Described high-speed numeric control Milling Machining Center comprises frame 1, main shaft 2 and milling cutter 3, described main shaft is installed in rotation in frame, described milling cutter is arranged on main shaft lower end, workpiece to be processed is positioned at the below of described milling cutter, described workpiece to be processed comprises left side test specimen 10, middle test specimen 11 and the right test specimen 12, described workpiece to be processed comprises left side test specimen 10, middle test specimen 11 and the right test specimen 12, described left side test specimen 10, middle test specimen 11 is different with the hardness of the right test specimen 12, described left side test specimen 10, middle test specimen 11 and the right test specimen 12 are fixed on connecting plate 16, described connecting plate 16 is arranged on fixed block 17, described fixed block 17 is arranged on base 18, the upper surface of described base 18 is from the horizontal by certain angle of inclination, described base 18 is fixed in the work stage 5 of high-speed numeric control Milling Machining Center.Strain transducer 6 and 7 is arranged on respectively on described fixed block a side identical with milling cutter direction of feed and the side with milling cutter direction of feed vertical direction; Described strain transducer 6 is connected with data collecting card 8, and described data collecting card 8 is connected with the test center 9 of the situation in order to record high-speed milling process cutting force.
The device for testing cutting force on the many hardness splicings of the rose cutter precision milling hardened steel inclined-plane of the present embodiment, comprise numerical control machining center 1, workpiece part 4, Sensor section 6 and 7, data collecting card 8 and test center 9, the notebook computer of the present embodiment is mobile workstation DELLM90.
Described workpiece part 4 comprises left side test specimen 10, middle test specimen 11 and the right test specimen 12, described in the hardness ratio of described middle test specimen, the hardness of left side test specimen and the right test specimen is high, described left side test specimen 10, between middle test specimen 11 and the right test specimen 12, with described hex nut 13 and described turret head articulation hole bolt 14, connect into an entirety, described left side test specimen 10, middle test specimen 11 and the right test specimen 12 are arranged on described connecting plate 16, described connecting plate 16 lower panels have counter sink, described workpiece bottom surface has tapped blind hole, described hexagon socket cap head screw 15 is installed in order to fixing described connecting plate 16 and described left side test specimen 10 on described counter sink, middle test specimen 11 and the right test specimen 12, described connecting plate 16 is arranged on described fixed block 17, described connecting plate 16 top panels have the first counter sink, on described fixed block top panel, there is tapped blind hole, described hexagon socket cap head screw 20 is installed in order to connect described connecting plate 16 and described fixed block 17 on the first described counter sink, on described fixed block 17 bases, there is the second counter sink, on described base 18, there is tapped blind hole, described socket head screw 19 is installed in order to be fixed on described fixed block 17 and described base 18 on the second described counter sink, described base 18 is provided with mounting groove with described platen 5, described base 18 is fixing with platen 5 by the hexagon-headed bolt 22 on mounting groove and hex-head nut 21.
Described Sensor section 6 is the 740B02 type strain transducer of U.S. PCB company; Described sensor 6 is arranged on a side identical with milling cutter direction of feed on described fixed block 17 and the side with milling cutter direction of feed vertical direction;
Described data collecting card model is LMS SCADAIII data collecting card; Described test center is notebook computer, and described notebook computer is mobile workstation, and LMS test.lab software is installed on described mobile workstation.
The course of work of the present embodiment is: first workpiece to be processed is fixed on connecting plate, connecting plate connects as one by screw and fixed block, again fixed block and base are fixed and become tilted workpiece clamping device, according to apparatus of the present invention, design is fixedly mounted on this tilted workpiece clamping device on Machinetool workpiece platform with bolt.Next, described sensor is fixed on fixed block, the holding wire of described sensor is connected to data collecting card, and described data collecting card is connected on mobile workstation.Next step, in apparatus of the present invention, install rose cutter, opening power, then according to technological requirement, set cutting parameter, as cutting speed, cutting depth, the amount of feeding etc., on described mobile workstation, move LMS test.lab software, commissioning device, demarcates described sensor.Finally, input test routine on described high-speed machining center, the high-speed machining center that operation is described, by described LMS Test.lab software records analysis data.
Content described in this description embodiment is only enumerating of way of realization to inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention is also and in those skilled in the art, according to the present invention, conceive the equivalent technologies means that can expect.
Claims (3)
1. the device for testing cutting force on the many hardness splicings of a rose cutter precision milling hardened steel inclined-plane, comprise high-speed numeric control Milling Machining Center, described high-speed numeric control Milling Machining Center comprises frame, main shaft and milling cutter, described main shaft is installed in rotation in frame, described milling cutter is arranged on main shaft lower end, workpiece to be processed is positioned at the below of described milling cutter, it is characterized in that: described workpiece to be processed comprises left side test specimen, middle test specimen and the right test specimen, described left side test specimen, middle test specimen is different with the hardness of the right test specimen, described left side test specimen, middle test specimen and the right test specimen are fixed on connecting plate, described connecting plate is arranged on fixed block, described fixed block is arranged on base, the upper surface of described base is from the horizontal by the angle of inclination of setting, the work stage of described base and high-speed numeric control Milling Machining Center is fixed, strain transducer is arranged on respectively a side identical with milling cutter direction of feed on described fixed block and the side with milling cutter direction of feed vertical direction, two strain transducers are all connected with data collecting card, and described data collecting card is connected with the test center of the situation in order to record high-speed milling process cutting force.
2. the many hardness splicings of rose cutter precision milling as claimed in claim 1 hardened steel inclined-plane device for testing cutting force, it is characterized in that: described in the hardness ratio of described left side test specimen, the hardness of the right test specimen is high, described in the middle of described in the hardness ratio of test specimen the hardness of left side test specimen and the right test specimen high.
3. the many hardness splicings of rose cutter precision milling as claimed in claim 1 or 2 hardened steel inclined-plane device for testing cutting force, it is characterized in that: described left side test specimen, between middle test specimen and the right test specimen, connect into an entirety, on described connecting plate, there is the first counter sink, on the first described counter sink, install in order to fixing described connecting plate and described left side test specimen, the hexagon socket cap head screw of middle test specimen and the right test specimen, on described connecting plate, there is the second counter sink, on the second described counter sink, be provided with in order to connect the socket head screw of described connecting plate and described fixed block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491468.0A CN103737429A (en) | 2013-10-17 | 2013-10-17 | Milling force testing device for precision milling of multi-hardness spliced quenched steel inclined plane by using ball-end milling cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491468.0A CN103737429A (en) | 2013-10-17 | 2013-10-17 | Milling force testing device for precision milling of multi-hardness spliced quenched steel inclined plane by using ball-end milling cutter |
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| CN103737429A true CN103737429A (en) | 2014-04-23 |
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| CN201310491468.0A Pending CN103737429A (en) | 2013-10-17 | 2013-10-17 | Milling force testing device for precision milling of multi-hardness spliced quenched steel inclined plane by using ball-end milling cutter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772751A (en) * | 2018-06-12 | 2018-11-09 | 江苏飞达钻头股份有限公司 | Bit performance test method and automatic testing machine |
| CN108788928A (en) * | 2018-06-29 | 2018-11-13 | 吉林工程技术师范学院 | A kind of more hardened material high-speed milling device for testing cutting force |
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| CN101804584A (en) * | 2010-03-31 | 2010-08-18 | 沈阳理工大学 | Three-way cutting force measurement instrument for turning and milling processing |
| CN101947742A (en) * | 2010-09-03 | 2011-01-19 | 浙江工业大学 | Multihardness splicing material high-speed milling cutting-force test device |
| CN102896557A (en) * | 2012-09-17 | 2013-01-30 | 东北大学 | Milling composite machining cutting force measuring method |
| CN103042261A (en) * | 2012-11-09 | 2013-04-17 | 浙江工业大学 | High-frequency micro-amplitude vibration milling test device for splicing hardened die steel |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040040373A1 (en) * | 2001-10-10 | 2004-03-04 | Mitutoyo Corporation | Method for measuring a configuration of an object |
| CN101804584A (en) * | 2010-03-31 | 2010-08-18 | 沈阳理工大学 | Three-way cutting force measurement instrument for turning and milling processing |
| CN101947742A (en) * | 2010-09-03 | 2011-01-19 | 浙江工业大学 | Multihardness splicing material high-speed milling cutting-force test device |
| CN102896557A (en) * | 2012-09-17 | 2013-01-30 | 东北大学 | Milling composite machining cutting force measuring method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772751A (en) * | 2018-06-12 | 2018-11-09 | 江苏飞达钻头股份有限公司 | Bit performance test method and automatic testing machine |
| CN108772751B (en) * | 2018-06-12 | 2023-09-29 | 江苏飞达钻头股份有限公司 | Drill performance test method and automatic test machine |
| CN108788928A (en) * | 2018-06-29 | 2018-11-13 | 吉林工程技术师范学院 | A kind of more hardened material high-speed milling device for testing cutting force |
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Application publication date: 20140423 |