CN101745654B - Titanium alloy bar turning tool - Google Patents

Titanium alloy bar turning tool Download PDF

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Publication number
CN101745654B
CN101745654B CN2010103011762A CN201010301176A CN101745654B CN 101745654 B CN101745654 B CN 101745654B CN 2010103011762 A CN2010103011762 A CN 2010103011762A CN 201010301176 A CN201010301176 A CN 201010301176A CN 101745654 B CN101745654 B CN 101745654B
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CN
China
Prior art keywords
blade
double
tool
edge
titanium alloy
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Expired - Fee Related
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CN2010103011762A
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Chinese (zh)
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CN101745654A (en
Inventor
陈明
张烘州
安庆龙
郑小虎
刘钢
韩冰
吴英彦
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Publication of CN101745654A publication Critical patent/CN101745654A/en
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Publication of CN101745654B publication Critical patent/CN101745654B/en
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Abstract

The invention relates to a titanium alloy bar turning tool, which belongs to the technical field of metal cutting. The titanium alloy bar turning tool comprises a double-slot tool head, a clamping component, a special edge, a double-blade component, a tool pad and a tool rod, wherein the double-slot tool head and the tool rod are connected with each other, and the clamping component and the tool pad are both fixedly arranged in the tool head and are closely contacted with the two sides of the double-blade component. The invention fully develops the high-performance advantage of the polycrystalline cubic boron nitride, and makes the polycrystalline cubic boron nitride possess sufficient impact resistance through effective treatment of the blade edges. Therefore, the invention can effectively complete the stripping of titanium ingot. Due to the double-head clamp, two blades can be matched with each other, the advantages of the two blades are supplementary to each other, and the invention can achieve high material removing rate on the premises that the service life of the tool is prolonged and the processing quality is ensured, thereby greatly improving the processing efficiency. Therefore, the double-blade turning tool with the combination of a circular blade and a square blade is most applicable to the stripping of titanium alloy bars, and has the advantages of high production efficiency, high yield of titanium materials and low tool consumption.

Description

Titanium alloy bar turning tool
Technical field
What the present invention relates to is the cutter in a kind of metal cutting technology field, specifically be a kind of based on polycrystalline cubic boron nitride can the peeling special use titanium alloy bar turning tool.
Background technology
Since the 1950's, owing to pressing for of aeronautical and space technology, casting titanium industrial requirement also just arises at the historic moment.Along with industrial expansion, the demand of some large titanium alloy bars is increased suddenly, the crudy to its blank is also more and more higher simultaneously.At present, hard alloy cutter is adopted in the titanium alloy bar peeling usually, but hard alloy cutter is serious because of blank Facing material inequality, oxide skin, and reason such as bar linearity difference, cause in the working angles cutting-in excursion big, cutting force fluctuation is big, cutting vibration is serious, causes the cutter tipping and is embedded on the surface of workpiece, thereby introduced the titanium alloy tungsten contamination.And the introducing of tungsten inclusion makes titanium alloy bar exist many hard defectives, thereby greatly reduces the performance of titanium alloy, even causes waste product.In addition, titanium alloy is in process, and deformation coefficient is little, the cutting temperature height, and chill phenomenon is serious, makes its processing become very difficult, and working (machining) efficiency is low, and cutter consumption is big, is difficult to satisfy the needs of industrial development.
Prior art adopts two lathe tools to carry out external cutting simultaneously mostly and can enhance productivity significantly.Promptly on former tool post, be spaced a distance another lathe tool is installed again, the parallel side by side installation of two lathe tools, two lathe tool cutter head spacings are less than half of total processing length; If allowance is bigger, and need carry out the light piece surface time, then these two lathe tools will carry out ladder and install.Two lathe tools by bite direction difference in height are being the allowance of first cutter when going surplus.During installation, carry out the tool setting of second lathe tool earlier, then saddle or upper slide rest are released, the just forward lathe tool of the first is installed again, just carry out turning with middle carriage feed to total processing dimension then.
Though can enhance productivity effectively, also far can not satisfy the requirement of titanium alloy bar processing though utilize two lathe tools that turning is installed side by side.At first, two lathe tools are installed processing side by side just in the improvement of technology aspect, machining tool are not carried out the improvement of essence, and installation procedure complexity, tool setting difficulty.Because will guarantee simultaneously just can guarantee turning accuracy at the spacing dimension of direction of feed and cutting-in direction between the two lathe tool cutter heads, this operant level and qualification to the workman all proposes very high requirement.Secondly,, refer more particularly to this most key technical barrier of tungsten contamination in the titanium alloy bar peeling process, still do not form an effective special-purpose topping machanism for this heavily loaded turning processing of titanium alloy bar peeling.In a word, the process technology of present titanium alloy bar has not satisfied the needs of industrial development far away.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of titanium alloy bar turning tool is provided, the cooperatively interact special-purpose lathe tool of titanium alloy peeling of a kind of double-pole head of participating in cutting of its circular shear blade and square blade efficiently solves the low problem of titanium alloy tungsten contamination and working (machining) efficiency.
The present invention is achieved by the following technical solutions, the present invention includes: double blade assembly, edge bearing and the knife bar of double-pole groove cutter head, clamp assembly, special cutting edge, wherein: circular knife groove and square cutter groove are opened on cutter head abreast, thereby have guaranteed the installation of circular shear blade and square blade.This double-pole groove cutter head is fixedlyed connected with knife bar, and clamp assembly and edge bearing are fixedly set in the cutter head respectively and the both sides that are positioned at the double blade assembly closely contact.
Described double blade assembly comprises: special cutting edge circular shear blade and the square blade made by polycrystalline cubic boron nitride, wherein: circular shear blade is a column structure, 0 ° of its anterior angle, 11 ° of relief angles, cutting edge inclination are-20 °, blade cut sword length 12mm, thickness 6.8mm, the blunt circle of cutting edge is handled the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °; Square blade is a cuboid shape structure, 0 ° of its anterior angle, 11 ° of relief angles, 30 ° of tool cutting edge angles, cutting edge inclination-20 °, blade cut sword length 12mm, thickness 6.8mm, corner radius 2.0mm, the blunt circle of cutting edge is handled the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °.
Described cutter head is provided with circular and square cutter groove, and described double blade assembly is movably set in the cutter groove.
Beneficial effect of the present invention is: the high-performance advantage of giving full play to polycrystalline cubic boron nitride, and the effective processing by the blade cutting edge, make the polycrystalline cubic boron nitride blade obtain higher shock resistance, thereby can finish the peeling work of titanium ingot efficiently, and then thoroughly solve this technical barrier of titanium alloy tungsten contamination; Adopt the design of double-pole head clamping to make two blades work in coordination, have complementary advantages, obtain very high material removing rate under the prerequisite that improves cutter life and assurance crudy, working (machining) efficiency will promote significantly.Double blade lathe tool that we can say this circular shear blade combination square blade is suitable for titanium alloy bar peeling operation most, not only production efficiency height, and titanium material yield rate height, and the cutter consumption is few.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein: Fig. 1 a is a front view, and Fig. 1 b is a rearview;
Among the figure: 1 is that band circle and square double-pole groove cutter head, 2 are that clamp assembly, 3 is that circular shear blade, 4 is that square blade, 5 is that edge bearing, 6 is knife bar.
Fig. 2 is the circular shear blade schematic diagram;
Wherein: Fig. 2 a is a schematic perspective view, and Fig. 2 b is a vertical view, and Fig. 2 c is a side view, and Fig. 2 d is that cutting edge is handled schematic diagram.
Fig. 3 is the square blade schematic diagram;
Wherein: Fig. 3 a is a schematic perspective view, and Fig. 3 b is a vertical view, and Fig. 3 c is a side view, and Fig. 3 d is that cutting edge is handled schematic diagram.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Shown in Fig. 1 a and Fig. 1 b, present embodiment comprises: double-pole groove cutter head 1, clamp assembly 2, circular shear blade 3, square blade 4, edge bearing 5 and knife bar 6, wherein: edge bearing 5 is fixedly set on the double-pole groove cutter head 1,4 of circular shear blade 3 and square blades are fixed in the cutter groove above the edge bearing 3 by clamp assembly 2, and knife bar 6 is fixedlyed connected with double-pole groove cutter head 1.
Shown in Fig. 2 a to Fig. 2 d, described circular shear blade 3 is a column structure, 0 ° of its anterior angle, and 11 ° of relief angles, cutting edge inclination is-20 °, blade cut sword length 12mm, thickness 6.8mm, the blunt circle of cutting edge handle the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °;
Shown in Fig. 3 a to Fig. 3 d, described square blade 4 is a cuboid shape structure, 0 ° of its anterior angle, 11 ° of relief angles, 30 ° of tool cutting edge angles, cutting edge inclination-20 °, blade cut sword length 12mm, thickness 6.8mm, corner radius 2.0mm, the blunt circle of cutting edge is handled the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °.
Described cutter head 1 is provided with circular knife groove and square cutter groove, and described circular shear blade 3 and square blade 4 are movably set in the cutter groove.
Described edge bearing 5 comprises: be fixedly set in circular edge bearing and square edge bearing in the cutter groove.
In titanium ingot peeling heavy duty cutting, consider that the circular shear blade cutting edge is sturdy and durable, the reliability height, so earlier by the circular shear blade incision, and square blade is installed in second position, finishes remaining allowance.Like this, circular shear blade has higher intensity and impact resistance, satisfies big surplus heavy duty cutting requirement, and the square blade of back is finished remaining material and removed, and can avoid bigger cutting to impact, and obtain machined surface quality preferably.Double-pole cooperatively interacts, has complementary advantages, and obtains very high material removing rate under the prerequisite that cutter life improves, and working (machining) efficiency will promote significantly.Double blade lathe tool that we can say this circular shear blade combination square blade is suitable for processing the peeling of titanium ingot most, and not only production efficiency height, and cutter consumption is few.Be preferably in the cutting data aspect, the cutting speed and the amount of feeding of employing polycrystalline cubic boron nitride double blade can be higher 1~2 times than ordinary rigid alloy single blade, and in the distribution of cutting depth surplus, the surplus of circular shear blade is generally big than square blade.In addition, during installation.Clamping element mainly is that blade is fixed on the locating surface, need be firmly not excessive during tightening; Because of practical blade and each locating surface of guaranteeing is adjacent to, foreign material such as slit, smear metal must not be arranged when simultaneously fastening.

Claims (3)

1. titanium alloy bar turning tool, comprise: double-pole groove cutter head, clamp assembly, double blade assembly, edge bearing and knife bar, wherein: double-pole groove cutter head is connected with knife bar, clamp assembly and edge bearing are fixedly set in the cutter head respectively, and be positioned at the both sides of double blade assembly, closely contact with the double blade assembly, it is characterized in that: described double blade assembly comprises: circular shear blade and the square blade made by polycrystalline cubic boron nitride;
Described circular shear blade is a column structure, 0 ° of its anterior angle, and 11 ° of relief angles, cutting edge inclination-20 °, blade cut sword length 12mm, thickness 6.8mm, the blunt circle of cutting edge handle the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °;
Described square blade is a cuboid shape structure, 0 ° of its anterior angle, 11 ° of relief angles, 30 ° of tool cutting edge angles, cutting edge inclination-20 °, blade cut sword length 12mm, thickness 6.8mm, corner radius 2.0mm, the blunt circle of cutting edge is handled the also negative chamfered edge of band, chamfered edge width 0.8mm, chamfered edge anterior angle-20 °.
2. titanium alloy bar turning tool according to claim 1 is characterized in that described cutter head is provided with the double-pole groove, and described double blade assembly is movably set in the cutter groove.
3. titanium alloy bar turning tool according to claim 1 is characterized in that, described edge bearing comprises: be fixedly set in circular edge bearing and square edge bearing in the cutter groove.
CN2010103011762A 2010-02-04 2010-02-04 Titanium alloy bar turning tool Expired - Fee Related CN101745654B (en)

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CN2010103011762A CN101745654B (en) 2010-02-04 2010-02-04 Titanium alloy bar turning tool

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Application Number Priority Date Filing Date Title
CN2010103011762A CN101745654B (en) 2010-02-04 2010-02-04 Titanium alloy bar turning tool

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CN101745654A CN101745654A (en) 2010-06-23
CN101745654B true CN101745654B (en) 2011-06-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103752873A (en) * 2013-12-27 2014-04-30 柳州职业技术学院 Powerful cutting and boring dual-use lathe tool
CN106272983A (en) * 2016-10-08 2017-01-04 郑州神利达钻采设备有限公司 A kind of cutter of processing stone material
CN107052377A (en) * 2016-11-29 2017-08-18 常州中车汽车零部件有限公司 A kind of Combined turning tool

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20100623

Assignee: SHENZHEN ZESUM TECHNOLOGY CO.,LTD.

Assignor: Shanghai Jiao Tong University

Contract record no.: 2012440020405

Denomination of invention: Titanium alloy bar turning tool

Granted publication date: 20110601

License type: Exclusive License

Record date: 20121225

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110601