CN101108432B - Gear cutter and molding method of the same - Google Patents
Gear cutter and molding method of the same Download PDFInfo
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- CN101108432B CN101108432B CN2006100993842A CN200610099384A CN101108432B CN 101108432 B CN101108432 B CN 101108432B CN 2006100993842 A CN2006100993842 A CN 2006100993842A CN 200610099384 A CN200610099384 A CN 200610099384A CN 101108432 B CN101108432 B CN 101108432B
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Abstract
The invention provides a hobbing cutter, which comprises a hobbing cutter body and a plurality of cutting edges. The hobbing cutter body is provided with a plurality of chip removing grooves; a plurality of cutting teeth are arranged at two sides of the chip removing grooves. The cutting edges connect with the cutting teeth through a hard welded material. In addition, the invention also provides a forming method for the hobbing cutter, which comprises the following procedures: firstly, a cutting procedure is used to form a plurality of chip removing grooves on a substrate; then, a vacuum hard welding process is adopted to connect the cutting edges on the one side surface of the chip removing grooves to form a main body to be machined; finally, a plurality of cutting teeth are formed on the main body to be machined, so as to form a hobbing cutter. The hobbing cutter provided by the invention can save the cost of a gear cutting tool and prolong the service life of the cutter.
Description
Technical field
The present invention relates to hobcutter and forming method thereof, refer in particular to and a kind ofly utilize hard solder and form a kind of hobcutter and forming method thereof with high rigidity cutting blade cutter in cutting teeth portion one side of hobcutter.
Background technology
Gear is the significant components of transferring power, and it plays the part of important role in the process of human lives and industrial evolution, more can be described as the basic element of human technological development.Generally speaking, the method for making gear is a lot, is broadly divided into machining or chipless process manufacturings such as picture hot investment casting, precision forging, extruding and powder metallurgy.But, come the method for formed gear to become the main flow of Market and Technology development with machining for can economic and efficient a large amount of production.
Wherein indispensable being adds the hobcutter of work gear in the machining, and the development of hobcutter is to can be described as Development of Materials, and the development evolution of cutter material transfers tungsten carbide, pottery and diamond to gradually by traditional high-carbon steel, high-speed steel.The hobcutter material of prior art mostly is high-carbon steel or high speed steel, and is not excessive when the high material of workhardness (more than the HRC40 degree), and the hobcutter that with the high-speed steel is the main material made is at processing effect and unsatisfactory on the life-span.In order to address this problem, the hobboing cutter material also gradually evolution to the high material of hardness, as tungsten carbide material.But because if whole hobcutter utilizes tungsten carbide material to be shaped, can cause the whole cost of cutter quite high, be a kind of burden virtually for Gear Production person.
In order to reduce cost, the mode of high rigidity blade is set at the cutting blade place of hobcutter, become a kind of method that reduces cost.The mode that probably can be divided into mechanical fixation formula and welded type in the method for existing this type of cutter of making.In the method for mechanical fixation formula, as U.S. Pat .Patent.No.3,740,808 disclosed a kind of cutters see also shown in Fig. 1-1, and this figure is the fixed gear cutting tool schematic diagram of existing mechanical.Have a plurality of storage tanks 11 on the body 10 of described cutter 1, have a helicitic texture 12 in each storage tank 11, blade sheet 13 is arranged in the described storage tank 10 and relies on fixture 14 that described blade sheet 13 is fixed on the helicitic texture 12 in the described storage tank 11 then.Though the expensive problem that described cutter 1 can avoid integral body to produce for tungsten carbide material, the engineering of manufacturing cutter is quite loaded down with trivial details, and processing is also complicated, has therefore also increased the expenditure of cost virtually.
Another kind of mode is a welded type, and shown in Fig. 1-2, this figure is existing cutter partial cutaway schematic.The blade 21 that has high rigidity on the described cutter 2 is to utilize the mode of welding to be fixed on the hobcutter body 20.The cutter 2 that forms via aforesaid solder technology but, to described cutter 2 during through the processing procedure of plated films, scolder can melt because of the high temperature in the film-plating process, makes blade 21 can't be fixed on the hobcutter body 20.So utilize the cutter of welding formation traditionally, and can't carry out the processing procedure of plated film, to such an extent as to influence the service life of cutter.
Comprehensively above-mentioned, therefore need a kind of hobcutter badly and forming method solves the problem that prior art produces.
Summary of the invention
Main purpose of the present invention is: a kind of hobcutter and forming method thereof are provided, and it is to utilize the mode of vacuum brazing to be formed with the cutting blade blade in tooth portion one side of hobcutter, reaches the purpose that increases cutter life and reduce high rigidity hobcutter manufacturing cost.
Secondary objective of the present invention provides a kind of hobcutter and forming method thereof, and it is the temperature when utilizing vacuum brazing, and the base material of hobcutter is heat-treated, and reaches the purpose that reduces the processing procedure program and reduce manufacturing cost.
Another object of the present invention provides a kind of hobcutter and forming method thereof, and it is to form plurality of grooves so that ccontaining cutting blade blade to be provided on chip pocket, reaches the purpose that well secured effect is provided.
For achieving the above object, the technical solution used in the present invention is:
. a kind of forming method of hobcutter is characterized in that: it is to include the following step:
A. on a base material, form a plurality of chip pockets with a cutting procedure;
B. with a vacuum brazing program, on the same side of described a plurality of chip pockets, connect a cutting blade sheet respectively, to form a body to be processed;
C. the part between the two adjacent chip pockets on the described body to be processed is processed, make each above-mentioned part form a plurality of cutting teeths, so that described body to be processed forms a hobcutter, be formed with a cutting blade body that forms by above-mentioned cutting blade sheet on the side of described cutting teeth.
Preferably, described machining program more includes on each of described a plurality of chip pockets and all forms the step of a groove, and embeds described cutting blade sheet in a plurality of described grooves respectively in step B and be connected on the same side of described a plurality of chip pockets.
Preferably, more include described base material step of heat treatment in the described vacuum brazing program.
Preferably, more include:
Between step B and C, increase step:
D. a plurality of cutting blade sheets on the described body to be processed are ground;
And after step C, increase step:
E. plated film is carried out on described hobcutter surface.
Compared with prior art, the beneficial effect that has of the present invention is: the hardness height of product, production cost are low.
Description of drawings
Fig. 1-the 1st, the fixed gear cutting tool schematic diagram of existing mechanical;
Fig. 1-2 is existing cutter partial cutaway schematic;
Fig. 2 is the preferred embodiment schematic diagram of hobcutter of the present invention;
Fig. 3 is the preferable implementing procedure schematic diagram of making hobcutter of the present invention;
Fig. 4 is the machining hobcutter body schematic side view that the present invention makes hobcutter;
Fig. 5 is that schematic diagram is looked on the side to be processed that the present invention makes hobcutter;
Fig. 6-the 1st, the present invention make the grinding axle sleeve schematic diagram of hobcutter;
Fig. 6-the 2nd, the present invention make the grinding edge body schematic diagram of hobcutter;
Fig. 7 is that the present invention makes a plurality of cutting teeth schematic diagrames of being processed to form of hobcutter.
Description of reference numerals: 1-cutter; 10-hobcutter body; The 11-storage tank; The 12-helicitic texture; 13-blade sheet; The 14-fixture; The 2-cutter; 20-hobcutter body; The 21-blade; The 3-hobcutter; 30-hobcutter body; The 301-groove; 31-cutting blade body; The 32-chip pocket; The 33-cutting teeth; The 34-axle sleeve; The 341-end face; The 342-shoulder; The 343-endoporus; 35-cutting blade sheet; 4-hobcutter forming method; The 40-flow process; The 41-flow process; The 42-flow process; The 43-flow process; The 5-milling cutter.
The specific embodiment
For making your juror further cognitive and understanding be arranged to feature of the present invention, purpose and function, hereinafter the spy describes the relevant thin portion structure of system of the present invention and the theory reason of design, so that the juror can understand characteristics of the present invention, detailed description is presented below:
See also shown in Figure 2ly, this figure is the preferred embodiment schematic diagram for hobcutter of the present invention; Described hobcutter 3 includes a hobcutter body 30 and a plurality of cutting blade body 31; The axial of described hobcutter body 30 has a plurality of chip pockets 32 on every side, and the both sides of described chip pocket 32 have a plurality of cutting teeths 33; Described chip pocket 32 can be the spirality chip pocket of a helical angle for the chip pocket of straightsided shape or with the central shaft of described hobcutter body 30, and the hobcutter that wherein has the chip pocket of straightsided shape can be in order to the processing spur gear; Hobcutter with helical angle chip pocket then can shape the scroll gear with helical angle; On described chip pocket 32, more offer plurality of grooves 301; Described a plurality of cutting blade body 31, it is arranged in the described groove 301, between described a plurality of cutting blade bodies 31 and the described hobcutter body 30 is to rely on hard solder material (brazingbinder) (not shown) to be connected with described a plurality of cutting teeth 33 hard solders;
Owing to the invention is characterized in the material that utilization is more cheap, be used as the material of described hobcutter body 30 as high-speed steel or high-carbon steel, then at the material that utilizes the higher wolfram steel material of hardness as described cutting blade body 31; Thus, not only can reduce the degree of difficulty of processing high rigidity hobcutter 3 (as the wolfram steel hobcutters); Hobcutter 3 costs of the present invention in addition and integral material all are that the cost of the hobcutter of wolfram steel material is compared, and be cheap a lot of and suitable processing effect can be provided; Kind as for described hard solder material is a lot, in existing skill, can obtain, common described hard solder material is an alloy material, for example: can be chosen as the alloy material of group to form that nickel (Ni), boron (B), cadmium (Cr), iron (Fe), silicon (Si), carbon (C), phosphorus (P), manganese (Mn) are formed;
See also shown in Figure 3ly, this figure is the preferable implementing procedure schematic diagram for making hobcutter of the present invention; The forming method of described hobcutter includes the following step: at first, provide a base material, described base material can be materials such as high-speed steel or high-carbon steel; See also shown in Figure 4ly, this figure is the machining hobcutter body schematic side view of making hobcutter for the present invention; With step 40, with one the cutting procedure form a plurality of chip pockets 32 on described base material to form a hobcutter body 30; Described chip pocket 32 can utilize milling cutter or hobcutter to process; As can be seen from Figure 4 utilize machining to form after a plurality of chip pockets 32, then form a groove 301 on each chip pocket 32, described hobcutter body 30 central core regions have more an axle sleeve 34;
Next carry out step 41, as shown in Figure 5, a plurality of cutting blade sheets 35 are embedded in respectively in the described groove 301; Described cutting blade sheet 35 and 30 of described hobcutter bodies have the hard solder material, and described cutting blade sheet 35 is the shape of a cuboid, but not subject to the limits, are embedded in the described groove 301; Described hard solder material is an alloy material, for example: can be chosen as the alloy material of group that nickel (Ni), boron (B), cadmium (Cr), iron (Fe), silicon (Si), carbon (C), phosphorus (P), manganese (Mn) are formed to form, but not subject to the limits; Insert then in the vacuum brazing stove, carry out a vacuum brazing program of high temperature, described cutting blade sheet 35 is spread with the metal material of described hobcutter body 30 itself in the high-temperature vacuum process by hard soldering alloy to be combined, described cutting blade sheet 24 is connected on the hobcutter body 30 on the side of described chip pocket 32, big to form tensile strength, the body to be processed that air-tightness is good; In this implementation step, in the process of described vacuum brazing program, also having a characteristic promptly is in the process of vacuum brazing, also the program that can heat-treat described hobcutter body 30; So, can simplify the processing procedure that also will additionally heat-treat in the prior art to material;
Afterwards, carry out step 42, a plurality of cutting blade sheets on the described body to be processed are ground; The process of grinding in the described step is reducible to be divided into two stages, the axle sleeve 34 of phase I to described body central core region to be processed grinds, see also shown in Fig. 6-1, comprise in the process of lapping that endoporus 343, shoulder 342 and the end face 341 to described axle sleeve 34 grinds; Carry out second stage afterwards and grind, shown in Fig. 6-2, grind, with the phenomenon of the cutting edge calibration inequality of cutting blade sheet 35 after the processing hard solder program on the surface that utilizes 5 pairs of described cutting blade sheets 35 of milling cutter;
After the step 42, carry out step 43 again, described body to be processed is carried out the profile of tooth relief grinding, form a plurality of cutting teeths 33 on described body to be processed, to form a hobcutter 3, as shown in Figure 7; The cutting way that forms a plurality of cutting teeths can utilize existing technology to reach, and does not do at this and gives unnecessary details; In order to increase the service life of hobcutter of the present invention, after relief grinding forms hobcutter, more the surface of hobcutter can be carried out the step of plated film; Because the present invention utilizes the mode of vacuum brazing that the cutting blade sheet is connected on the hobcutter body, therefore described hard solder material has resistant to elevated temperatures characteristic, can bear the temperature in film-plating process, and can not melt;
Except aforesaid method is made hobcutter structure of the present invention, the preparation method of described hobcutter, also can utilize the following step to finish: at first, with a cutting procedure one base material is processed to form a cutter body, described cutter body has a plurality of chip pockets, the both sides of described chip pocket have a plurality of cutting teeths, and the position of corresponding each cutting teeth more offers a groove on the described chip pocket; Then, the cutting blade body is placed in the described groove, and insert the hard solder material, insert then in the vacuum brazing stove, carry out a vacuum brazing program (VaccumBrazing) of high temperature, the cutting blade body is spread with the metal material of described cutter body itself in the high-temperature vacuum process by the hard solder material combine, described cutting blade body is connected on the described cutting teeth, big to form tensile strength, the hobcutter that air-tightness is good; Carry out the step of grinding edge body and plated film then, its details is not done at this and to be given unnecessary details as previously mentioned; Described base material is high-speed steel or high-carbon steel material; Described cutting blade body is to be a wolfram steel material, described hard solder material is an alloy material, for example: can be chosen as the alloy material of group that nickel (Ni), boron (B), cadmium (Cr), iron (Fe), silicon (Si), carbon (C), phosphorus (P), manganese (Mn) are formed to form, but not subject to the limits;
In this implementation step, in the process of described vacuum brazing program, also having a characteristic promptly is in the process of vacuum brazing, also the program that can heat-treat described cutter body; So, can simplify the processing procedure that also will heat-treat material in addition in the prior art; The difference of this method and preferred embodiment shown in Figure 3 is, the embodiment of Fig. 3 utilizes the mode of vacuum brazing to be connected to the body of cutter earlier the cutting blade sheet, carry out the cutting teeth relief grinding again, and this method is that order is changed, elder generation's relief grinding cutting teeth will cooperate the cutting blade body of described cutting teeth to utilize vacuum brazing to be connected on the cutting teeth again;
More than explanation is just illustrative for the purpose of the present invention, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present invention.
Claims (4)
1. the forming method of a hobcutter, it is characterized in that: it is to include the following step:
A. on a base material, form a plurality of chip pockets with a cutting procedure;
B. with a vacuum brazing program, on the same side of described a plurality of chip pockets, connect a cutting blade sheet respectively, to form a body to be processed;
C. the part between the two adjacent chip pockets on the described body to be processed is processed, make each above-mentioned part form a plurality of cutting teeths, so that described body to be processed forms a hobcutter, be formed with a cutting blade body that forms by above-mentioned cutting blade sheet on the side of described cutting teeth.
2. the forming method of hobcutter according to claim 1, it is characterized in that: described machining program more includes on each of described a plurality of chip pockets and all forms the step of a groove, and embeds described cutting blade sheet in a plurality of described grooves respectively in step B and be connected on the same side of described a plurality of chip pockets.
3. the forming method of hobcutter according to claim 1 is characterized in that: more include described base material step of heat treatment in the described vacuum brazing program.
4. the forming method of hobcutter according to claim 1 is characterized in that: more include:
Between step B and C, increase step:
D. a plurality of cutting blade sheets on the described body to be processed are ground;
And after step C, increase step:
E. plated film is carried out on described hobcutter surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100993842A CN101108432B (en) | 2006-07-19 | 2006-07-19 | Gear cutter and molding method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100993842A CN101108432B (en) | 2006-07-19 | 2006-07-19 | Gear cutter and molding method of the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101108432A CN101108432A (en) | 2008-01-23 |
| CN101108432B true CN101108432B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100993842A Active CN101108432B (en) | 2006-07-19 | 2006-07-19 | Gear cutter and molding method of the same |
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| CN (1) | CN101108432B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009016257B4 (en) | 2008-12-16 | 2017-09-07 | Kennametal Inc. | hobs |
| CN102049572B (en) * | 2009-11-06 | 2012-08-08 | 贵州黎阳航空动力有限公司 | Design method for hob of cylindrical gear |
| CN102528176A (en) * | 2012-01-13 | 2012-07-04 | 北京理工大学 | Single-headed staggered-toothed microminiature hob based on extension whole depth strength design |
| CN104043876A (en) * | 2014-06-30 | 2014-09-17 | 南京金宇刀具制造有限公司 | Screw rotor hob |
| CN104259537B (en) * | 2014-07-31 | 2016-06-08 | 宁波朗曼达工具有限公司 | A kind of milling teeth method of hobboing cutter processing |
| CN107107224B (en) * | 2014-10-02 | 2019-08-20 | 格里森工场 | With the axial hobboing cutters for turning cutting tooth more |
| CN106583803A (en) * | 2015-10-14 | 2017-04-26 | 天钻科技股份有限公司 | Diamond coating cutter and manufacturing method thereof |
| CN106312850A (en) * | 2016-10-14 | 2017-01-11 | 台州市德嘉机电科技有限公司 | Design method for screw grinding tool |
| CN108262534A (en) * | 2016-12-30 | 2018-07-10 | 李仕清 | A kind of hobboing cutter |
| CN117020072A (en) * | 2020-04-10 | 2023-11-10 | 苏州云刚智能科技有限公司 | Trimming device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030038A (en) * | 1988-10-17 | 1991-07-09 | Sumitomo Electric Industries, Ltd. | Hobbing tool for finishing gears |
| CN2187509Y (en) * | 1994-04-13 | 1995-01-18 | 英利刀具有限公司 | Cutter of side milling |
| CN1114601A (en) * | 1995-01-12 | 1996-01-10 | 许振松 | Cylinder toothed tool edge hard face welding method |
| CN2774678Y (en) * | 2005-01-26 | 2006-04-26 | 蒋福源 | Improved cutter structure |
-
2006
- 2006-07-19 CN CN2006100993842A patent/CN101108432B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030038A (en) * | 1988-10-17 | 1991-07-09 | Sumitomo Electric Industries, Ltd. | Hobbing tool for finishing gears |
| CN2187509Y (en) * | 1994-04-13 | 1995-01-18 | 英利刀具有限公司 | Cutter of side milling |
| CN1114601A (en) * | 1995-01-12 | 1996-01-10 | 许振松 | Cylinder toothed tool edge hard face welding method |
| CN2774678Y (en) * | 2005-01-26 | 2006-04-26 | 蒋福源 | Improved cutter structure |
Non-Patent Citations (2)
| Title |
|---|
| 郭启珍.硬质合金刮削滚刀钎焊夹具的设计.工具技术 第8期.1988,(第8期),第17页第1栏第7-10行. |
| 郭启珍.硬质合金刮削滚刀钎焊夹具的设计.工具技术 第8期.1988,(第8期),第17页第1栏第7-10行. * |
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| CN101108432A (en) | 2008-01-23 |
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