CN203316752U - High-tensile steel high-performance cutting super-hard cutter - Google Patents
High-tensile steel high-performance cutting super-hard cutter Download PDFInfo
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- CN203316752U CN203316752U CN2013200994234U CN201320099423U CN203316752U CN 203316752 U CN203316752 U CN 203316752U CN 2013200994234 U CN2013200994234 U CN 2013200994234U CN 201320099423 U CN201320099423 U CN 201320099423U CN 203316752 U CN203316752 U CN 203316752U
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Abstract
The utility model relates to a high-tensile steel high-performance cutting super-hard cutter. Along with higher and higher requirements on machining quality and accuracy, machining becomes unsatisfactory in matching the high-performance cutting tool, and the advanced technology cannot be brought into full play. The high-tensile steel high-performance cutting super-hard cutter comprises a cutter body, and a cutter handle connected with the cutter body, wherein blade bases are arranged at the front parts of the cutter body; PCBN blades are arranged on the blade bases; the PCBN blades are of a symmetrical structure and are fastened on the blade bases via screws; the geometrical parameters of a tool used during high-performance cutting of die steel are as follows: the front angle ranges from 0 degree to minus 10 degrees, the rear angle ranges from 6 degrees to 10 degrees, the tool cutting edge angle ranges from 45 degrees to 95 degrees, the end cutting edge angle ranges from 2 degrees to 10 degrees, the tool cutting edge inclination angle is 0 degree or a minus value when regrinding is taken into consideration, and the corner radius r (epsilon) ranges from 0.2 to 1.2 mm. According to the high-tensile steel high-performance cutting super-hard cutter, the structure of the PCBN tool and the geometrical parameters of the cutting edge are optimized, so that multiple surface properties of a cut workpiece can be controlled.
Description
Technical field
The utility model patent relates to the metal cutting processing technique field, is specifically related to a kind of high-performance cutting die steel PCBN superhard cutter.
Background technology
Along with development of manufacturing, more and more higher to the requirement of crudy and precision, it is more and more difficult that machining becomes, and, owing to not mating well high performance cutting tool, this makes advanced manufacturing technology can not get abundant application.The machined part inefficacy mostly comes from surface and causes to diffusion inside gradually, thereby has influence on the life-span of whole parts.The strengthening workpiece surface property plays vital effect to extending its service life, so surface strengthening technology has become a focus of current scientific research.The key that this technology is implemented is by various process reform surface of the work performances, strengthens the comprehensive mechanical performances such as its hardness, wearability, corrosion resistance.
Manufacturing industry surface of the work intensifying method is divided into surface deformation strengthening, surperficial heat treatment reinforcement, thermo-chemical treatment strengthening, surface metallurgic strengthening, surface film strengthening etc. at present, for traditional surface peening at the laggard row of machining moulding, the technological process complexity, and cost is higher.Yet, the surface intensified techniques such as shot-peening, extruding, metal surface can obtain desirable residual stress distribution, but surface roughness can decrease.
Metal cutting process, the elastic and plastic properties distortion fundamentally occurs exactly after extruding, forms smear metal, and then fracture process.Therefore, metal cutting is processed as surface peening objective physical condition is provided, if can realize surface Hardening Treatment in the workpiece surplus excision stage, to enhancing productivity, reducing costs, has great importance.
Owing to having good mechanical performance, typical high strength steel is applied to the fields such as automobile making, mould and Aero-Space more.The PCBN cutter is a kind of novel cutter, has high hardness, wearability and heat resistance, good chemical stability and thermal conductivity, and lower coefficient of friction etc., be the effective material of high-performance cutting die steel.And the violent heat that mould steel produces under strong squeezed state makes the high strength steel working angles occur that Adiabatic Shear, metal softening etc. are different from the phenomenon of conventional cutting.Above-mentioned phenomenon causes the machined surface quality to reduce, if tool geometry and processing technology are selected the improper deterioration that easily causes surface property.For the strength member under bad working environments, above-mentioned deterioration can cause reduce its service life, easily brings out major accident when serious.
Summary of the invention
The purpose of this utility model is to provide a high-performance cutting die steel PCBN superhard cutting blade, obtains higher surface of the work performance, thereby reduces surface property reinforcement process process, so also will shorten life cycle of the product, and social and economic effects is remarkable.
The purpose of this utility model is achieved in that
a kind of high strength steel high-performance cutting superhard cutter, its composition comprises: cutter hub, the handle of a knife be connected with described cutter hub, described cutter hub front portion has blade base, there is the PCBN blade on described blade base, described PCBN blade is symmetrical structure, described PCBN blade uses screw fastening on described blade base, the tool geometrical parameter adopted when the high-performance cutting die steel: anterior angle is selected 0 ° ~-10 °, relief angle is selected 6 ° ~ 10 °, tool cutting edge angle is selected 45 ° ~ 95 °, auxiliary angle is selected 2 ° ~ 10 °, cutting edge inclination is refaced and is got 0 ° or negative value, corner radius is selected 0.2 ~ 1.2mm.
Superhard cutter is used in described high strength steel high-performance cutting, and the cutting edge chamfered edge angle range of choice of described PCBN cutter head is 10 ° ~ 30 °, and described chamfered edge width is determined according to the processing work material property.
Superhard cutter is used in described high strength steel high-performance cutting, and the back engagement of the cutting edge ap scope that described PCBN cutter head is used in process is 0.05 ~ 0.3mm, and amount of feeding f scope is 0.08 ~ 0.15mm/r, and cutting speed is 200 ~ 300m/min.
Beneficial effect:
1. the utility model is by controlling PCBN tool geometrical parameter and processing technology, realize that the mould steel workpiece is after machining, obtain higher surface of the work performance, thereby reduce surface property reinforcement process process, so also will shorten life cycle of the product, and social and economic effects is remarkable.
The utility model surface characteristics, as shown in Figure 2, Figure 3, Figure 4, cutting speed is 200 ~ 300m/min; Back engagement of the cutting edge ap is 0.05 ~ 0.3mm; Amount of feeding f is 0.08 ~ 0.15mm/r.Under this machining condition, the fluctuation range that resulting mould steel workpiece machining surface roughness is Ra meets the instructions for use of mould steel workpiece.Shown in Fig. 5, for finished surface residual stress under different machining conditions, be studied, cutting speed is 200 ~ 300m/min; Amount of feeding f is 0.08 ~ 0.15mm/r.Under this machining condition, resulting mould steel workpiece machining surface residual stress is good compression, meets the instructions for use of mould steel workpiece.
By controlling PCBN tool geometrical parameter and processing technology, resulting mould steel workpiece surface appearance microcosmos pattern, have obvious improvement.
Show through above process of experimental, by controlling PCBN tool geometrical parameter and processing technology, realize that mould steel surface of the work performance (surface topography, surface roughness, surface residual stress) optimization can realize.
The utility model is simplified technological effect and high PCBN utilization rate, by controlling PCBN tool geometrical parameter and processing technology, realize that the mould steel workpiece is after machining, obtain good surface of the work performance, thereby reduce surface property reinforcement process process, and greatly improved the utilization rate of PCBN material.The utlity model has substantive features and progress, this preparation method is simple, with low cost.Therefore, will shorten life cycle of the product, and social and economic effects is remarkable.
The high usage of the utility model PCBN cutting edge
This patent is abandoned traditional welding method, adopts the mode of multiaspect positioning and clamping PCBN cutting edge and screw fastening, makes the PCBN material at four groove Reusabilities of blade base, makes the utilization rate of PCBN material improve 4 times.The high usage by the PCBN material and obtain high-quality finished surface, finally realized the high-performance processing of mould steel.
The utility model is for mould steel part machined surface quality, by controlling PCBN tool geometrical parameter and processing technology, the cutting force, the fuel factor that rely on mould steel machining itself to produce, obtain mould steel piece surface strengthening effect, be PCBN superhard cutting blade method for designing for a kind of high-performance cutting die steel, and mate rational processing technology.
The utility model adopts rational working process parameter: the selection of cutting data all has material impact to production efficiency, crudy, cutter life etc.Through the experimental study achievement, the cutting technology parameter that the PCBN cutter adopts when the high-performance cutting die steel is:
(1) the utility model is mainly for fine finishining, and applicable lathe is to carry out on engine lathe, the process system rigidity is not fine, excessive if back engagement of the cutting edge is selected, easy tipping during the PCBN tool sharpening, considering selection back engagement of the cutting edge ap scope is 0.05 ~ 0.3mm.
(2), during fine finishining, the selection of the amount of feeding is limited by the requirement of machining accuracy and surface roughness.Large inflow easily makes working angles produce larger vibration, affects the accuracy of result of the test, so consider, selecting amount of feeding f scope is 0.08 ~ 0.15mm/r.
(3) use the PCBN cutter when the high-performance cutting die steel, the selection of cutting speed is most important, and speed can not be too low, and too low performance does not go out the superiority of cutter, but also easily causes tipping, and speed can not be too high, and too high tool wear is very fast, and the life-span is shorter.Considering, is 200 ~ 300m/min selecting cutting speed.
The accompanying drawing explanation:
Accompanying drawing 1 is design structure diagram of the present utility model.
Accompanying drawing 2 is impacts of cutting speed effects on surface roughness.
Accompanying drawing 3 is impacts of amount of feeding effects on surface roughness.
Accompanying drawing 4 is impacts of cutting depth effects on surface roughness.
Accompanying drawing 5 is impacts of cutting speed effects on surface residual stress.
The specific embodiment:
Embodiment 1:
a kind of high strength steel high-performance cutting superhard cutter, its composition comprises: cutter hub, the handle of a knife be connected with described cutter hub, described cutter hub front portion has blade base 1, there is PCBN blade 2 on described blade base 1, described PCBN blade 2 is symmetrical structure, with screw 3, be fastened on described blade base 1, the tool geometrical parameter adopted when the high-performance cutting die steel mainly comprises anterior angle, relief angle, cutting edge inclination, tool cutting edge angle, auxiliary angle, corner radius, described anterior angle is selected 0 ° ~-10 °, described relief angle is selected 6 ° ~ 10 °, described tool cutting edge angle is selected 45 ° ~ 95 °, described auxiliary angle is selected 2 ° ~ 10 °, described cutting edge inclination is considered to reface generally to get 0 ° or negative value, described corner radius r ε selects 0.2 ~ 1.2mm.
Embodiment 2:
Superhard cutter is used in the described high strength steel high-performance cutting of embodiment 1, and the cutting edge chamfered edge angle range of choice of described PCBN cutter head is 10 ° ~ 30 °, and described chamfered edge width is determined according to the processing work material property.
Embodiment 3:
Superhard cutter is used in the described high strength steel high-performance cutting of embodiment 1 or 2, and the back engagement of the cutting edge ap scope that described PCBN cutter head is used in process is 0.05 ~ 0.3mm, and amount of feeding f scope is 0.08 ~ 0.15mm/r, and cutting speed is 200 ~ 300m/min.
Claims (3)
1. a high strength steel high-performance is cut and is used superhard cutter, its composition comprises: cutter hub, the handle of a knife be connected with described cutter hub, described cutter hub front portion has blade base, it is characterized in that: there is the PCBN blade on described blade base, described PCBN blade is symmetrical structure, described PCBN blade uses screw fastening on described blade base, the tool geometrical parameter adopted when the high-performance cutting die steel: anterior angle is selected 0 ° ~-10 °, relief angle is selected 6 ° ~ 10 °, tool cutting edge angle is selected 45 ° ~ 95 °, auxiliary angle is selected 2 ° ~ 10 °, cutting edge inclination is refaced and is got 0 ° or negative value, corner radius is selected 0.2 ~ 1.2mm.
2. superhard cutter is used in high strength steel high-performance cutting according to claim 1, and it is characterized in that: the cutting edge chamfered edge angle range of choice of described PCBN cutter head is 10 ° ~ 30 °, and described chamfered edge width is determined according to the processing work material property.
3. high strength steel high-performance according to claim 1 and 2 is cut and is used superhard cutter, it is characterized in that: the back engagement of the cutting edge ap scope that described PCBN cutter head is used in process is 0.05 ~ 0.3mm, amount of feeding f scope is 0.08 ~ 0.15mm/r, and cutting speed is 200 ~ 300m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200994234U CN203316752U (en) | 2013-03-05 | 2013-03-05 | High-tensile steel high-performance cutting super-hard cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200994234U CN203316752U (en) | 2013-03-05 | 2013-03-05 | High-tensile steel high-performance cutting super-hard cutter |
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| Publication Number | Publication Date |
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| CN203316752U true CN203316752U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200994234U Expired - Fee Related CN203316752U (en) | 2013-03-05 | 2013-03-05 | High-tensile steel high-performance cutting super-hard cutter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071822A (en) * | 2013-03-05 | 2013-05-01 | 哈尔滨理工大学 | Super-hard cutting tool for high-performance cutting of high-strength steel |
| CN104325163A (en) * | 2014-10-24 | 2015-02-04 | 杨卫峰 | Cutter for processing |
-
2013
- 2013-03-05 CN CN2013200994234U patent/CN203316752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071822A (en) * | 2013-03-05 | 2013-05-01 | 哈尔滨理工大学 | Super-hard cutting tool for high-performance cutting of high-strength steel |
| CN103071822B (en) * | 2013-03-05 | 2016-08-31 | 哈尔滨理工大学 | High strength steel high-performance cutting superhard cutter |
| CN104325163A (en) * | 2014-10-24 | 2015-02-04 | 杨卫峰 | Cutter for processing |
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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 |
Granted publication date: 20131204 Termination date: 20150305 |
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| EXPY | Termination of patent right or utility model |