CN101209499A - Diamond bite special for ultra-precise turn - Google Patents
Diamond bite special for ultra-precise turn Download PDFInfo
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- CN101209499A CN101209499A CNA2006101704089A CN200610170408A CN101209499A CN 101209499 A CN101209499 A CN 101209499A CN A2006101704089 A CNA2006101704089 A CN A2006101704089A CN 200610170408 A CN200610170408 A CN 200610170408A CN 101209499 A CN101209499 A CN 101209499A
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Abstract
The invention provides a diamond turning tool used for ultra-precise turning, which relates to the machine tool cutter field. The ultra-precise turning belongs to slight cutting, the edge of the invention is extremely sharp, and the radius of the blunt round of the edge is extremely small; furthermore, a feeding mark is not generated when the invention is in use, the strength is high, the cutting resistance is small, etc. The existing alloy material is hard to be competent. Therefore, the invention adopts the diamond turning tool, a cuter head of which is made of single crystal diamond; the diamond cutter head and a cutter rod can be fixed in a mechanical method, or a powder metallurgy method or a brazing method. A transition blade is adopted between a main cutting edge and an auxiliary cutting edge of the diamond; the transition blade is an arc-shaped polishing edge or broken line-shaped polishing edge. The invention has the advantages of long service life, high durability of dimension, convenient operation and high processing efficiency.
Description
Technical field
The present invention relates to field of machining, especially machine tool.
Background technology
Ultra-precise cutting belongs to micro cutting, the thickness of cutting of its final processing is desired machining accuracy often, should possess for lathe tool: cutting edge grinds extremely sharply, the blunt radius of circle of cutting edge is minimum, can realize ultra-thin thickness of cutting, do not produce tooth marks, the intensity height, cutting resistance is little, the blade zero defect, tooth shape will duplicate on finished surface during cutting, can obtain smooth minute surface, good with the anti stick of workpiece material, chemical affinity is little, coefficient of friction is low, high hardness and wearability, elastic modelling quantity has very long life-span and very high size durability, adopts the alloy material cutter to be difficult to the above-mentioned requirements of competent ultraprecise micro cutting, especially for accurate copper, the processing of Al alloy parts is especially like this, for this reason must solution can satisfy the cutter of accurate car pin.
Summary of the invention
Purpose of the present invention is for providing a kind of long service life, the diamond bit that is used for ultraprecise car pin that the size durability is high.
Realize that foregoing invention purpose technical scheme is:
The diamond bit that is used for ultra-precise cutting, has knife bar, be fixed with diamond segment at knife rod head, diamond segment is to be made by the monocrystal diamond, and diamond is fixed on the small bit tool, and small bit tool is screwed on knife bar, or push down diamond by pressing plate, with screw pressing plate is fixed on the knife bar, adopts transitional edges between adamantine main cutting edge and front cutting edge, transitional edges is former arc wiper edges or broken line shape wiper edges.The fixing of diamond segment and knife bar can also adopt powder metallurgic method to fix, and is about to diamond and small bit tool and is placed in the metallurgical powder, through the sintering in a vacuum that pressurizes, diamond is fixed in the small bit tool.The fixing of diamond segment and knife bar can also adopt soldering to fix, and is about to the soldering of diamond blank elder generation on molybdenum sheet, molybdenum sheet is soldered on small bit tool or the knife bar again.
The ultra precision cutting cutter that adopts such scheme to make, because of diamond hardness very high, and it is wear-resisting, because cutter adopts the structure of transitional edges, can play the smoothing effect to finished surface, improved cutting precision significantly, solved simultaneously and collapsed cutter and wearing and tearing, the circular arc blade also helps tool setting, the blade wearing and tearing indexable use in back, so long service life not only when using, and size durability height, not easy to wear, guaranteed the quality that ultraprecise is processed, but also have easy to operate, the beneficial effect that working (machining) efficiency is high.
Description of drawings
Fig. 1 is used for the structural representation with the mechanical means connection of the diamond tool of ultra-precise cutting for the present invention is a kind of
Fig. 2 is a circular arc smoothing transitional edges schematic diagram
Fig. 3 is a broken line smoothing transitional edges schematic diagram
Fig. 4 is left lathe tool structural representation
Fig. 5 is the right hand cutting tool structural representation
Fig. 6 is the facing tool structural representation
The specific embodiment
Now in conjunction with the accompanying drawings 1---Fig. 6 is described further technical solution of the present invention.
Shown in the figure: 1 is knife bar, and 2 is housing screw, and 3 is the cutter head pressing plate, and 4 is diamond segment, and 5 is small bit tool.The diamond raw material is selected large-particle monocrystal natural diamond (technical grade) for use, is generally 0.7～1.5 carat, should have complete shape, smooth surface, transparent, and no projection or pit are observed under 10 times of magnifying glasses, should not see defectives such as crackle, bubble, impurity.It is the sharp-pointed point of a knife of any that diamond cutter does not generally adopt main cutting edge and front cutting edge to intersect, so very easily tipping and wearing and tearing, on finished surface, stay cutter trade, adopt excessive sword between the main cutting edge of diamond cutter and the front cutting edge, can play the smoothing effect to finished surface, blade can be designed to the broken line shape of circular arc or band straight line wiper edges, to reduce of the influence of cutting revolution mark to roughness.When the machine tool motion precision high, the workpiece material is good, when not considering mechanics in the working angles, physics, Effect of Environmental, the roughness of surface of the work depends primarily on theoretical surface roughness Ra that cutting revolution mark height produced and the stack of blade roughness Re.Convenient because of the tool setting of circular arc blade, the blade wearing and tearing indexable use in back is used in the surperficial machining of embarking on journey especially.Because diamond cutter is very crisp, under the prerequisite that guarantees the minimum workpiece surface roughness of processing,, should adopt big cutter angle of wedge β and very little anterior angle for increasing point of a knife intensity and being convenient to grinding, measurement, clamping.Usually diamond bit is that diamond is fixed on the small bit tool, and small bit tool is fixed on the lathe tool knife bar with screw or pressing plate.Diamond hardness is high, processing difficulties, and grinding efficiency is low, and diamond cutter also will have sharp cutting edge.A single-crystal diamond blank will make diamond cutter, needs process: to diamond orientation, and definite part that need grind off, the cast iron plate of employing high speed rotation adds diadust and carries out rough lapping, basic forming.Carry out smooth grinding, grind sharp, intact, flawless blade.The size durability of diamond cutter is very high, and tool wear is also very slow during high-speed cutting, so extra accuracy when cutting, and cutting speed is not subjected to the restriction of tool life, and this point is different with common cutting rule.For the selection of ultra-precise cutting speed, should select the minimum rotating speed of vibration according to the dynamic characteristic of lathe and cutting system, can obtain good crudy like this, higher cutting speed improves working (machining) efficiency.The diamond blank needs just can be processed into required diamond cutter through following steps: 1) to crystal orientation, determine the locus of cutter front and rear knife face, the part that need grind off; 2) examine the diamond inside of cutting the position whether crackle, impurity or other defective are arranged; 3) adopt the cast iron plate that rotates at a high speed to add diadust and carry out rough lapping, the basic shaping; 4) carry out smooth grinding, be milled to till the tool dimension required precision.Should guarantee surfacing for abrasive disk, sand holes and other defective must not be arranged, rotating speed is limited in 2000r/min～3000r/min, and the end face run-out error is 1～3 μ m.Can be divided into for the fixing means of diamond on small bit tool: 1) mechanical grip-with the bottom surface of diamond segment and add pressure surface and polish, diamond is fixed on the small bit tool, be pressed on the small bit tool with the cutter head pressing plate, the cutter head pressing plate be fixed on the knife bar by housing screw, but the diamond of need larger particles; 2) powder metallurgic method is fixed-diamond is placed in the metallurgical powder, through the sintering in a vacuum that pressurizes, diamond is fixed in the small bit tool; 3) soldering fix-the diamond crystal blank with the specific alloy soldering on the MO sheet, molybdenum sheet is arranged after soldering at an easy rate on small bit tool or knife bar.Adopting radius is the circular arc blade of 10mm, and (f≤0.05mm/r), the surface roughness of workpiece can reach Ra 0.01～0.032 μ m when the little amount of feeding.Relief angle α p=10 °, anterior angle is for albronze γ=0 °～5.For the diamond bit of processing cannelure, arc radius R≤0.02 μ m, nose angle≤55 °.
Add and will satisfy following specification requirement man-hour:
1, colourless, transparent, the flawless of diamond specification: 4X2X2, free from admixture, D10 grade, Mohs' hardness 10 along the strongest direction of diamond as cutting edge.
2, stay-the 0.08mm surplus.Φ 20h6 and cutter holder are joined gap 0.003---0.005mm.
3, main bite (major and minor sword) non-notch under 4500 times of Electronic Speculum.
4, cutter hub must carry out modifier treatment.
5, diamond welding jail back reconditioning cutting edge and angle.
6, point of a knife and cutting edge surface roughness are less than 0.01.
7, the interior linearity of cutting edge 0.2 scope is less than 0.01um.Rake face and back knife face must smooth grinding to requiring.
Claims (3)
1. diamond bit that is used for ultra-precise cutting, has knife bar, be fixed with diamond segment at knife rod head, it is characterized by diamond segment is to be made by the monocrystal diamond, and diamond is fixed on the small bit tool, and small bit tool is screwed on knife bar, or push down diamond by pressing plate, with screw pressing plate is fixed on the knife bar, adopts transitional edges between adamantine main cutting edge and front cutting edge, excessively sword is circular arc wiper edges or broken line shape wiper edges.
2. the diamond reversing that is used for ultra-precise cutting according to claim 1, it is characterized by the fixing of diamond segment and knife bar can also adopt powder metallurgic method to fix, being about to diamond segment and small bit tool is placed in the metallurgical powder, through the sintering in a vacuum that pressurizes, diamond is fixed in the small bit tool.
3. according to the diamond bit that is used for ultra-precise cutting under the claim 1, it is characterized by the fixing of diamond segment and knife bar and can also adopt soldering to fix, be about to the soldering of diamond blank elder generation on molybdenum sheet, again molybdenum sheet is soldered on small bit tool or the knife bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101704089A CN101209499A (en) | 2006-12-27 | 2006-12-27 | Diamond bite special for ultra-precise turn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101704089A CN101209499A (en) | 2006-12-27 | 2006-12-27 | Diamond bite special for ultra-precise turn |
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| Publication Number | Publication Date |
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| CN101209499A true CN101209499A (en) | 2008-07-02 |
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| CNA2006101704089A Pending CN101209499A (en) | 2006-12-27 | 2006-12-27 | Diamond bite special for ultra-precise turn |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059349A (en) * | 2010-11-18 | 2011-05-18 | 哈尔滨工业大学 | Processing method for ultraprecise turning of die steel material by adopting diamond cutter |
| CN104968455A (en) * | 2012-06-25 | 2015-10-07 | 史蒂文·韦布 | Cutting tool insert with powder metal body |
| CN107695369A (en) * | 2017-10-20 | 2018-02-16 | 长春理工大学 | A kind of combined type single-crystal diamond arcuate blade icking tool |
| CN109863005A (en) * | 2016-10-28 | 2019-06-07 | 法孚机械加工系统股份有限公司 | Cutting tip component |
| CN110039079A (en) * | 2019-04-17 | 2019-07-23 | 深圳大学 | A kind of cutter and preparation method thereof towards micro-nano structure processing |
| CN110757263A (en) * | 2019-11-07 | 2020-02-07 | 中国工程物理研究院机械制造工艺研究所 | Mechanical grinding method-based micro-opening control method for micro-arc-edge diamond cutter |
| CN112170863A (en) * | 2020-08-18 | 2021-01-05 | 南京智达电气设备有限公司 | Turning method of aluminum alloy workpiece for SF6 high-voltage electrical appliance |
| CN112894275A (en) * | 2021-01-18 | 2021-06-04 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN114290533A (en) * | 2021-12-30 | 2022-04-08 | 鹰普航空科技有限公司 | Honing turning tool for machining surface roughness of aviation graphite sleeve and using method |
-
2006
- 2006-12-27 CN CNA2006101704089A patent/CN101209499A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059349B (en) * | 2010-11-18 | 2012-07-25 | 哈尔滨工业大学 | Processing method for ultraprecise turning of die steel material by adopting diamond cutter |
| CN102059349A (en) * | 2010-11-18 | 2011-05-18 | 哈尔滨工业大学 | Processing method for ultraprecise turning of die steel material by adopting diamond cutter |
| CN104968455A (en) * | 2012-06-25 | 2015-10-07 | 史蒂文·韦布 | Cutting tool insert with powder metal body |
| CN109863005A (en) * | 2016-10-28 | 2019-06-07 | 法孚机械加工系统股份有限公司 | Cutting tip component |
| CN107695369A (en) * | 2017-10-20 | 2018-02-16 | 长春理工大学 | A kind of combined type single-crystal diamond arcuate blade icking tool |
| CN110039079B (en) * | 2019-04-17 | 2023-09-29 | 深圳大学 | Micro-nano structure processing-oriented cutter and manufacturing method thereof |
| CN110039079A (en) * | 2019-04-17 | 2019-07-23 | 深圳大学 | A kind of cutter and preparation method thereof towards micro-nano structure processing |
| CN110757263A (en) * | 2019-11-07 | 2020-02-07 | 中国工程物理研究院机械制造工艺研究所 | Mechanical grinding method-based micro-opening control method for micro-arc-edge diamond cutter |
| CN110757263B (en) * | 2019-11-07 | 2021-01-29 | 中国工程物理研究院机械制造工艺研究所 | Mechanical grinding method-based micro-opening control method for micro-arc-edge diamond cutter |
| CN112170863A (en) * | 2020-08-18 | 2021-01-05 | 南京智达电气设备有限公司 | Turning method of aluminum alloy workpiece for SF6 high-voltage electrical appliance |
| CN112894275A (en) * | 2021-01-18 | 2021-06-04 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN112894275B (en) * | 2021-01-18 | 2024-02-20 | 焦作市陆创光电有限责任公司 | Micro-channel heat sink substrate superfinishing method |
| CN114290533A (en) * | 2021-12-30 | 2022-04-08 | 鹰普航空科技有限公司 | Honing turning tool for machining surface roughness of aviation graphite sleeve and using method |
| CN114290533B (en) * | 2021-12-30 | 2024-02-09 | 鹰普航空科技有限公司 | Honing lathe tool for machining surface roughness of aviation graphite sleeve and use method |
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Open date: 20080702 |