CN204711698U - A kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment - Google Patents
A kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment Download PDFInfo
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- CN204711698U CN204711698U CN201520459103.4U CN201520459103U CN204711698U CN 204711698 U CN204711698 U CN 204711698U CN 201520459103 U CN201520459103 U CN 201520459103U CN 204711698 U CN204711698 U CN 204711698U
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Abstract
For a monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment, relate to a kind of concave curved surface test specimen.The utility model directly carries out milling cutter vibration-testing to solve on large-scale hardened steel mould, easily causes die face to damage, affects the problem of die life.Test specimen is monoblock type rectangular structure; Form by for bottom boss and centre region to be cut two parts test specimen is installed on platen; For region contour size to be cut and structure in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment be: test specimen mid portion is the high-rate wireless LAN region of rose cutter, overall size 100mm × 48mm × 45mm, this region surrounding side elevation is the plane perpendicular to bottom surface; Its top is the concave curved surface of radius of curvature 200mm in the width direction; Along its length, be radius of curvature continually varying sinusoidal pattern trajectory.The utility model meets the demand of highly-efficient processing hardened steel mould.
Description
Technical field
The utility model relates to a kind of concave curved surface test specimen, is specifically related to a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment, belongs to Machining Complicated Profile technical field.
Background technology
The single-piece production of large-scale hardened steel mould, profile complexity, the curvature distribution of its high rigidity finished surface is changeable.When adopting rose cutter cutting of hardened steel mould concave curved surface, it is changeable that the cutting-impact that finished surface Curvature varying causes makes milling cutter vibrate, the cutting contact relation of cutter and finished surface plays pendulum, milled surface topography is caused to worsen, machining accuracy is low, and milling cutter service life and stock-removing efficiency decline.
Existing high-speed milling hardened steel concave curved surface milling cutter vibration and milled surface topography method of testing have two kinds: (1) directly carries out milling cutter vibration-testing on large-scale hardened steel mould, very easily causes die face to damage, affects die life; (2) adopt the finished surface test specimen that presents single change without Curvature varying and finished surface curvature to carry out cutting experiment, the Cutting Process obtained, cannot milling cutter that effectively controlled working surface curvature change causes vibrate; The vibration of existing high-speed milling hardened steel die mill and milled surface topography method of testing do not reflect high speed the rose cutter vibration of milling cutter and milled surface topography during cutting of hardened steel curved surface in the changeable situation of curvature, machined surface quality and the working (machining) efficiency of high-speed milling hardened steel concave curved surface profile cannot ensure, cannot meet the requirement of the large-scale hardened steel mould of highly-efficient processing.
Utility model content
Give hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Given this, the utility model provides a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment, directly on large-scale hardened steel mould, carry out milling cutter vibration-testing at least to solve, very easily cause die face to damage, affect the problem of die life.
For a monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment, this test specimen is monoblock type rectangular structure, and overall size is 100mm × 73mm × 50mm; Form by for bottom concave station and centre region to be cut two parts test specimen is installed on platen; For region contour size to be cut and architectural feature in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment: test specimen mid portion is the high-rate wireless LAN region of rose cutter, overall size 100mm × 48mm × 45mm, this region surrounding side elevation is the plane perpendicular to bottom surface; Its top is the concave curved surface of radius of curvature 200mm in the width direction; Along its length, be radius of curvature continually varying sinusoidal pattern trajectory.
Scheme is designed further: the monoblock type hardened steel concave curved surface test specimen bottom boss physical dimension feature for high-speed milling technological experiment: bottom is respectively of a size of the boss of 100mm × 12.5mm × 5mm in the width direction with in both sides, each boss being distributed with along its length two width is respectively the U-lag of 12.5mm × 10mm × 5mm, and two groove centers are 75mm along the spacing on piece lengths direction.
Scheme is designed further: for region to be cut sinusoidal pattern trajectory feature in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment: along its length, by test specimen left end, sinusoidal pattern trajectory is followed successively by the dome camber line of length 18mm, radius of curvature 1112mm, the dome camber line of length 20mm, radius of curvature 66mm, the dome camber line of length 23mm, radius of curvature 1140mm, the concave arc line of length 19mm, radius of curvature 66mm, the concave arc line of length 21mm, radius of curvature 1112mm; Each section of curved surface junction is the connection that smoothly transits.
Scheme is designed further: the material that this test specimen is selected and stiffness characteristics are: material for test adopts Cr12MoV forging; After quenching, hardness is HRC55 ~ 60.
The effect that the utility model reaches is: the utility model provides a kind of hardened steel test specimen with variable curvature concave curved surface, directly need not carry out milling cutter vibration-testing on large-scale hardened steel mould, and test specimen carries out milling cutter vibration-testing, avoid causing die face to damage, eliminate the impact on die life, for the technological design of the large-scale hardened steel concave curved surface of high-speed milling provides foundation, to meet the processing request of the efficient and great surface quality of large-scale hardened steel mould.
Accompanying drawing explanation
Fig. 1 is the hardened steel concave curved surface test specimen stereogram according to embodiment of the present utility model;
Fig. 2 is the hardened steel concave curved surface test specimen front view of embodiment of the present utility model;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of Fig. 2.
Detailed description of the invention
To be described one exemplary embodiment of the present utility model by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from the utility model disclosure, this development is only routine task.
At this, also it should be noted is that, in order to avoid the utility model fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related apparatus structure of scheme of the present utility model and/or treatment step, and eliminate other details little with the utility model relation.
Embodiment of the present utility model provides a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment.
For the monoblock type hardened steel concave curved surface specimen Design of high-speed milling technological experiment;
Design the monoblock type hardened steel concave curved surface test specimen structure for high-speed milling technological experiment as Figure 1-4:
This test specimen following structural features:
(1) test specimen is monoblock type rectangular structure, and overall size is 100mm × 73mm × 50mm; By the bottom concave station for being installed to by test specimen on platen, and region to be cut, centre two parts are formed;
(2) for the monoblock type hardened steel concave curved surface test specimen bottom boss physical dimension feature of high-speed milling technological experiment: bottom is respectively of a size of the boss of 100mm × 12.5mm × 5mm in the width direction with one in both sides, each boss being distributed with along its length two width is respectively the U-lag of 12.5mm × 10mm × 5mm, and two groove centers are 75mm along the spacing on piece lengths direction;
(3) for region contour size to be cut and architectural feature in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment: test specimen mid portion is the high-rate wireless LAN region of rose cutter, overall size 100mm × 48mm × 45mm, this region surrounding side elevation is the plane perpendicular to bottom surface; Its top is the concave curved surface of radius of curvature 200mm in the width direction; Along its length, be radius of curvature continually varying sinusoidal pattern trajectory;
(4) for region to be cut sinusoidal pattern trajectory feature in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment: along its length, by test specimen left end, sinusoidal pattern trajectory is followed successively by the dome camber line of length 18mm, radius of curvature 1112mm, the dome camber line of length 20mm, radius of curvature 66mm, the dome camber line of length 23mm, radius of curvature 1140mm, the concave arc line of length 19mm, radius of curvature 66mm, the concave arc line of length 21mm, radius of curvature 1112mm; Each section of curved surface junction is the connection that smoothly transits.
The material that this test specimen is selected and stiffness characteristics are: material for test adopts Cr12MoV forging; After quenching, hardness is HRC55 ~ 60.
Although the embodiment that the utility model discloses as above, the embodiment that its content just adopts for the ease of understanding the technical solution of the utility model, is not intended to limit the utility model.Technical staff in any the utility model art; under the prerequisite not departing from the core technology scheme that the utility model discloses; any amendment and change can be made in the form implemented and details; but the protection domain that the utility model limits, the scope that still must limit with appending claims is as the criterion.
Claims (4)
1., for a monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment, it is characterized in that: this test specimen is monoblock type rectangular structure, overall size is 100mm × 73mm × 50mm; Form by for bottom boss and centre region to be cut two parts test specimen is installed on platen; For region contour size to be cut and structure in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment be: test specimen mid portion is the high-rate wireless LAN region of rose cutter, overall size 100mm × 48mm × 45mm, this region surrounding side elevation is the plane perpendicular to bottom surface; Its top is the concave curved surface of radius of curvature 200mm in the width direction; Along its length, be radius of curvature continually varying sinusoidal pattern trajectory.
2. a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment according to claim 1, it is characterized in that: the monoblock type hardened steel concave curved surface test specimen bottom boss physical dimension for high-speed milling technological experiment is: bottom is respectively of a size of the boss of 100mm × 12.5mm × 5mm in the width direction with one in both sides, each boss being distributed with along its length two width is respectively the U-lag of 12.5mm × 10mm × 5mm, and two groove centers are 75mm along the spacing on piece lengths direction.
3. a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment according to claim 1, it is characterized in that: for region to be cut sinusoidal pattern trajectory in the middle of the monoblock type hardened steel concave curved surface test specimen of high-speed milling technological experiment be: along its length, by test specimen left end, sinusoidal pattern trajectory is followed successively by length 18mm, the dome camber line of radius of curvature 1112mm, length 20mm, the dome camber line of radius of curvature 66mm, length 23mm, the dome camber line of radius of curvature 1140mm, length 19mm, the concave arc line of radius of curvature 66mm, length 21mm, the concave arc line of radius of curvature 1112mm, each section of curved surface junction is the connection that smoothly transits.
4. a kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment according to claim 1, is characterized in that: material for test adopts Cr12MoV forging; After quenching, hardness is HRC55 ~ 60.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459103.4U CN204711698U (en) | 2015-06-30 | 2015-06-30 | A kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment |
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| CN201520459103.4U CN204711698U (en) | 2015-06-30 | 2015-06-30 | A kind of monoblock type hardened steel concave curved surface test specimen for high-speed milling technological experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942656A (en) * | 2015-06-30 | 2015-09-30 | 哈尔滨理工大学 | High-speed milling process experiment method for integrated quenched steel concave surface test piece and concave surface test piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942656A (en) * | 2015-06-30 | 2015-09-30 | 哈尔滨理工大学 | High-speed milling process experiment method for integrated quenched steel concave surface test piece and concave surface test piece |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20200630 |