CN106112083A - A kind of deep hole end face annular groove forming-tool - Google Patents
A kind of deep hole end face annular groove forming-tool Download PDFInfo
- Publication number
- CN106112083A CN106112083A CN201610792515.9A CN201610792515A CN106112083A CN 106112083 A CN106112083 A CN 106112083A CN 201610792515 A CN201610792515 A CN 201610792515A CN 106112083 A CN106112083 A CN 106112083A
- Authority
- CN
- China
- Prior art keywords
- tooth
- standby portion
- tool
- deep hole
- annular groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/12—Cutters specially designed for producing particular profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/28—Angles
Abstract
The invention discloses a kind of deep hole end face annular groove forming-tool, including handle of a knife and standby portion, the end in standby portion is provided with one or more formed tooth, and the outside diameter of the segment of cutting of formed tooth and the outside diameter in standby portion are equal, and the axial length in standby portion is more than 2 times of the axial length of formed tooth.When shaping odontotripsis is to when scrapping, owing to handle of a knife and standby portion still can use, the formed tooth that therefore can wear and tear is removed, and then process formed tooth in standby portion, it is not necessary to change whole forming tool, and then improve cutting-tool's used life.
Description
Technical field
The present invention relates to cutter field, particularly relate to a kind of deep hole end face annular groove forming-tool.
Background technology
In space equipment and civil equipment field, often use the part with cannelure, it is generally the case that annular
Groove is mainly used in installing sealing ring, plays sealing function.But, the end face within deep hole arranges cannelure, then be difficult to into
Row processing, and the cannelure processed is difficult to observe and measure, therefore it is difficult to ensure that quality, it is generally the case that pass through
Groove dredging knife processing cannelure has the disadvantage that
1, working (machining) efficiency is low.Penetration of a cutting tool several times, feed, long processing time, production efficiency is low.
2, the size of cannelure is difficult to control to.It is in the cannelure at deep hole position, it is often difficult to find suitable measuring tool to enter
It is the most qualified that row detects its size, is typically only capable to dependence experience and is controlled.
3, the roughness of cannelure is poor.Be in the cannelure distance at deep hole position eat dishes without rice or wine position farther out, the rigidity of cutter
, easily there is chatter mark so that roughness is poor, and then not only affects the sealing function of cannelure, and affect making of cutter in difference
Use the life-span.
Therefore, the most effectively process the cannelure on deep hole end face, be those skilled in the art be badly in need of solve skill
Art problem.
Summary of the invention
It is an object of the invention to provide a kind of deep hole end face annular groove forming-tool, can effectively process on deep hole end face
Cannelure, and service life is long, and machining accuracy is high, and production efficiency is the highest.
For solving above-mentioned technical problem, the technical scheme is that
A kind of deep hole end face annular groove forming-tool, including handle of a knife and standby portion, the end in described standby portion is provided with one or many
Individual formed tooth, the outside diameter of the segment of cutting of described formed tooth and the outside diameter in described standby portion are equal, described standby portion
Axial length is more than 2 times of the axial length of described formed tooth.
Preferably, the lateral surface in described standby portion is provided with two symmetrical planes, described plane and described standby
The axis in portion is parallel to each other.
Preferably, described formed tooth is provided with the section of stepping down, described in the lateral wall of the section of stepping down along described formed tooth to described standby
Tapered with the direction in portion.
Preferably, described formed tooth is hard alloy formed tooth, and described standby portion is the standby portion of hard alloy.
Preferably, the least material size value in the basic size value in described standby portion and the hole of cannelure to be processed is equal,
The lower deviation in described standby portion is+0.006mm, and the upper deviation is+0.010mm.
Preferably, the land a width of 0.1～0.15mm of the outer peripheral teeth of the segment of cutting of described formed tooth, before described outer peripheral teeth
Angle is 0 °, and primary clearance is 3 °～5 °, and secondary relief angle is 10 °～15 °, and the outside of the end tooth of the segment of cutting of described formed tooth is longer than inner side
0.02～0.03mm, the anterior angle of described end tooth is 4 °～6 °, and primary clearance is 3 °～5 °, and secondary relief angle is 10 °～15 °, and land is a width of
0.05～0.10mm, the tooth depth of described formed tooth is higher than the 0.5～0.6mm of the depth value of described cannelure to be processed, described one-tenth
The radial direction basic size value of the inner circumferential tooth of the segment of cutting of shape tooth equal to described cannelure to be processed maximum limit of size value with
The half of little dimension limit value sum, the land a width of 0.08～0.12mm of described inner circumferential tooth, primary clearance is 3 °～5 °, secondary relief angle
It it is 10 °～15 °.
Preferably, the end in described standby portion is provided with a described formed tooth.
Preferably, the end in described standby portion is additionally provided with a secondary tooth being oppositely arranged with described formed tooth, described shaping
The size value of the inner circumferential tooth of tooth is more than the size value 0.15～0.20mm of the opposite position of described secondary tooth.
Compared with prior art, technique scheme has the advantage that
A kind of deep hole end face annular groove forming-tool provided by the present invention, including handle of a knife and standby portion, the end in standby portion sets
Having one or more formed tooth, the outside diameter of the segment of cutting of formed tooth and the outside diameter in standby portion are equal, the axle in standby portion
To the axial length of a length of formed tooth more than 2 times.When shaping odontotripsis is to when scrapping, owing to handle of a knife and standby portion are the most permissible
Use, therefore the formed tooth of abrasion can be removed, then in standby portion, process formed tooth, it is not necessary to change whole forming-tool
Tool, and then improve cutting-tool's used life.
Accompanying drawing explanation
In order to be illustrated more clearly that the present invention or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 shows by the main TV structure of a kind of deep hole end face annular groove forming-tool that a kind of detailed description of the invention of the present invention is provided
It is intended to；
Fig. 2 shows by the left view structure of a kind of deep hole end face annular groove forming-tool that a kind of detailed description of the invention of the present invention is provided
It is intended to；
Fig. 3 is the structure for amplifying schematic diagram of the a-quadrant in Fig. 1；
Fig. 4 is the structural representation of the deep hole end face annular groove forming-tool with 1 formed tooth；
Fig. 5 is the left view structural representation of Fig. 4.
Reference is as follows:
1 is handle of a knife, and 2 is standby portion, and 3 is formed tooth, and 31 is tool arc, and 4 is plane, and 5 is chip area, and 6 is secondary tooth.
Detailed description of the invention
The most as described in the background section, current cutter is difficult to process, at deep hole end face, the annular that dimensional accuracy is higher
Groove, and cutter life is shorter, and production efficiency is low.
On the basis of the studies above, embodiments provide a kind of deep hole end face annular groove forming-tool, work as shaping
Odontotripsis is to when scrapping, and owing to handle of a knife and standby portion still can use, therefore can be removed by the formed tooth of abrasion, then standby
With processing formed tooth in portion, it is not necessary to change whole forming tool, and then improve cutting-tool's used life.
Understandable, below in conjunction with the accompanying drawings to this in order to enable the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Bright detailed description of the invention is described in detail.
Elaborate detail in the following description so that fully understanding the present invention.But the present invention can with multiple not
Being same as alternate manner described here to implement, those skilled in the art can do class in the case of intension of the present invention
Like promoting.Therefore the present invention is not limited by following public detailed description of the invention.
A kind of deep hole end face annular groove that refer to Fig. 1-Fig. 3, Fig. 1 is provided by a kind of detailed description of the invention of the present invention shapes
The main TV structure schematic diagram of cutter；A kind of deep hole end face annular groove forming-tool that Fig. 2 is provided by a kind of detailed description of the invention of the present invention
Left view structural representation；Fig. 3 is the structure for amplifying schematic diagram of the a-quadrant in Fig. 1.
A kind of detailed description of the invention of the present invention provides a kind of deep hole end face annular groove forming-tool, including handle of a knife 1 and standby
Portion 2, the end in standby portion 2 is provided with one or more formed tooth 3, outside the outside diameter of the segment of cutting of formed tooth 3 and standby portion 2
Circular diameter is equal, more than 2 times of the axial length that axial length is formed tooth 3 in standby portion 2.
In the present embodiment, by the swivel head on lathe, forming-tool is inserted in deep hole, make the end of formed tooth 3 with deep
The end face in hole contacts with each other, and by the rotation of formed tooth 3, can process the cannelure on deep hole end face, and additionally cutting swarf can
Discharge with the chip area 5 on the lateral surface in standby portion 2.When formed tooth 3 wears up to scrap, due to handle of a knife 1 and standby portion 2 still
Can use, therefore the formed tooth 3 of abrasion can be removed, then in standby portion 2, process formed tooth 3, it is not necessary to change whole
Individual forming tool, and then improve cutting-tool's used life.The most preferably the axial length in standby portion 2 is set to formed tooth 3
3～5 times of axial length.
Wherein handle of a knife 1 is preferably 0～0.003mm, and handle of a knife 1 with the fit clearance in the corresponding hole of collet on lathe
Cylindricity be not more than 0.002mm.
It should be noted that handle of a knife 1 needs enough rigidity.If during cannelure on deep hole processing end face, should try one's best
Reduce the draw ratio of handle of a knife 1, make 1, handle of a knife have enough rigidity.When the diameter of deep hole is less, the diameter of handle of a knife 1 should be made
Diameter more than standby portion 2.
Further, the lateral surface in standby portion 2 is provided with two symmetrical planes 4, plane 4 and the axle in standby portion 2
Line is parallel to each other.It is easy to dismount forming tool by plane 4 one aspect, processing when on the other hand being easy to manufacture forming tool, inspection
Survey and the original is reprocessed.
Further, formed tooth 3 is provided with the section of stepping down, and the lateral wall of the section of stepping down is along formed tooth 3 to the direction in standby portion 2
Tapered.Wherein the section of stepping down is positioned at the segment of cutting on formed tooth 3 and between standby portion 2, can be avoided cannelure by the section of stepping down
Machined place produce interfere, and then improve cannelure machining accuracy.Wherein the section of stepping down can be to be arranged on inside and outside formed tooth 3
Back taper on sidewall, length and tapering about back taper specifically depend on the circumstances.
The most preferably, formed tooth 3 is hard alloy formed tooth 3, and standby portion 2 is the standby portion of hard alloy 2.By formed tooth
3 and standby portion 2 made by Hardmetal materials, can facilitate the maintenance of forming tool, and then improve production efficiency.
Owing to forming tool is after clamping, its centre of gyration usually will not be completely superposed with the centre of gyration of machine tool chief axis,
Therefore the basic size value in standby portion 2 of a kind of deep hole end face annular groove forming-tool that the present embodiment provides and cannelure to be processed
The least material size value in hole is equal, and the lower deviation in standby portion 2 is+0.006mm, and the upper deviation is+0.010mm.
In order to improve the machining accuracy of cannelure to be processed, the land a width of 0.1 of the outer peripheral teeth of the segment of cutting of formed tooth 3～
0.15mm, the anterior angle of outer peripheral teeth is 0 °, and primary clearance is 3 °～5 °, and secondary relief angle is 10 °～15 °, the end tooth of the segment of cutting of formed tooth 3
Outside than inner side long 0.02～0.03mm, forming tool therefore can be made to remain smooth and easy, brisk in cutting, Er Qie
During processing cannelure, having self centering effect, wherein the anterior angle of end tooth is 4 °～6 °, and primary clearance is 3 °～5 °, secondary relief angle
Be 10 °～15 °, land a width of 0.05～0.10mm, the tooth depth of formed tooth 3 higher than cannelure to be processed depth value 0.5～
0.6mm, the radial direction basic size value of the inner circumferential tooth of the segment of cutting of formed tooth 3 is equal to the maximum limit of size value of cannelure to be processed
With the half of minimum limit of size value sum, the land a width of 0.08～0.12mm of inner circumferential tooth, primary clearance is 3 °～5 °, secondary relief angle
It it is 10 °～15 °.Wherein the radius of tool arc 31 should be consistent in the arc radius of the root of cannelure to be processed.
Refer to the structural representation that Fig. 4 and Fig. 5, Fig. 4 are the deep hole end face annular groove forming-tool with 1 formed tooth；Fig. 5
Left view structural representation for Fig. 4.
In order to improve the ease for maintenance of deep hole end face annular groove forming tool, the end in standby portion 2 is provided with a formed tooth 3.
Certainly, the secondary tooth 6 that the end in standby portion 2 is also provided with and formed tooth 3 is oppositely arranged, formed tooth 3 interior
The size value of all teeth is more than the 0.15～0.20mm of the opposite position of secondary tooth 6.On secondary tooth 6, namely it is not provided with processing annular
The segment of cutting of groove inner ring, to eliminate interference.
The main machining method of the deep hole end face annular groove forming-tool that the embodiment of the present invention is provided comprises the following steps:
1, lower bar (material of forming-tool is hard alloy, such as trade mark ZK30UF), uses Wire EDM for needing
The length wanted, goes out the sun at two ends with skive Roughing and fine machining on mill equipment top outside, thick, refine each cylindrical, makes chi
Very little, form and position tolerance and roughness all meet the requirements.
2, symmetrical slightly with skive on sleeping milling equipment, finish-milling mill processes plane, and its flatness is preferably
0.003mm, thick, finish-milling mill processing rake face (including chip area) all meets the requirements.
3, centering cylindrical and plane, total run-out 0.003mm is symmetrical with copper wire on electric spark low-speed WEDM equipment
Roughing and fine machining two tooth so that each size, form and position tolerance and roughness all meet the requirements.
4, centering cylindrical and plane, total run-out 0.003mm, multipurpose instrument (tool) mill equipment sharpens end tooth with skive
Anterior angle, the section of stepping down (removing from radial direction) 0.15～0.20mm of the secondary tooth of sharpening, sharpen each primary clearance, sharpen each relief angle,
Comply with requirement.(i.e. the straightway of c point to d point is to g point to h point to use common normal micrometer can accurately measure the facewidth
Distance between straightway) size, thus effectively control the radial dimension of cannelure.
In order to thoroughly eliminate interference, secondary tooth can be not provided with, a formed tooth is only set to process cannelure, the most permissible
The facewidth of this formed tooth is accurately controlled by screw-thread micrometer.
It addition, the forming-tool provided by the present invention is possible not only to be applicable to CNC milling machine processing cannelure, it is also applied for
Lathe, plain-milling machine and drilling machine.
Above a kind of deep hole end face annular groove forming-tool provided by the present invention is described in detail.Used herein
Principle and the embodiment of the present invention are set forth by specific case, and the explanation of above example is only intended to help to understand this
The core concept of invention.It should be pointed out that, for those skilled in the art, without departing from the principle of the invention
Under premise, it is also possible to the present invention is carried out some improvement and modification, these improve and modify and also fall into the claims in the present invention
In protection domain.
Claims (8)
1. a deep hole end face annular groove forming-tool, it is characterised in that include that handle of a knife and standby portion, the end in described standby portion are provided with
One or more formed tooths, the outside diameter of the segment of cutting of described formed tooth and the outside diameter in described standby portion are equal, described
The axial length in standby portion is more than 2 times of the axial length of described formed tooth.
Deep hole end face annular groove forming-tool the most according to claim 1, it is characterised in that set on the lateral surface in described standby portion
Two symmetrical planes, the axis in described plane and described standby portion are had to be parallel to each other.
Deep hole end face annular groove forming-tool the most according to claim 2, it is characterised in that described formed tooth is provided with steps down
Section, described in the lateral wall of the section of stepping down tapered along described formed tooth to the direction in described standby portion.
Deep hole end face annular groove forming-tool the most according to claim 3, it is characterised in that described formed tooth is that hard alloy becomes
Shape tooth, described standby portion is the standby portion of hard alloy.
Deep hole end face annular groove forming-tool the most according to claim 4, it is characterised in that the basic size value in described standby portion
Equal with the least material size value in the hole of cannelure to be processed, the lower deviation in described standby portion is+0.006mm, the upper deviation is+
0.010mm。
Deep hole end face annular groove forming-tool the most according to claim 5, it is characterised in that outside the segment of cutting of described formed tooth
Week tooth land a width of 0.1～0.15mm, the anterior angle of described outer peripheral teeth is 0 °, and primary clearance is 3 °～5 °, secondary relief angle be 10 °～
15 °, the outside of the end tooth of the segment of cutting of described formed tooth than inner side long 0.02～0.03mm, the anterior angle of described end tooth be 4 °～
6 °, primary clearance is 3 °～5 °, and secondary relief angle is 10 °～15 °, and land a width of 0.05～0.10mm, the tooth depth of described formed tooth is higher than
The 0.5～0.6mm of the depth value of described cannelure to be processed, the radial direction basic size of the inner circumferential tooth of the segment of cutting of described formed tooth
Value is equal to the maximum limit of size value of described cannelure to be processed and the half of minimum limit of size value sum, described inner circumferential tooth
Land a width of 0.08～0.12mm, primary clearance is 3 °～5 °, and secondary relief angle is 10 °～15 °.
Deep hole end face annular groove forming-tool the most according to claim 6, it is characterised in that the end in described standby portion is provided with one
Individual described formed tooth.
Deep hole end face annular groove forming-tool the most according to claim 7, it is characterised in that the end in described standby portion is additionally provided with
One secondary tooth being oppositely arranged with described formed tooth, the size value of the inner circumferential tooth of described formed tooth is corresponding more than described secondary tooth
The size value 0.15～0.20mm of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792515.9A CN106112083B (en) | 2016-08-31 | 2016-08-31 | A kind of deep hole end face annular groove forming-tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792515.9A CN106112083B (en) | 2016-08-31 | 2016-08-31 | A kind of deep hole end face annular groove forming-tool |
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| Publication Number | Publication Date |
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| CN106112083A true CN106112083A (en) | 2016-11-16 |
| CN106112083B CN106112083B (en) | 2018-09-04 |
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| CN201610792515.9A Active CN106112083B (en) | 2016-08-31 | 2016-08-31 | A kind of deep hole end face annular groove forming-tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716962A (en) * | 2017-09-30 | 2018-02-23 | 鼎胜刀具（东莞）有限公司 | A kind of minute surface knife |
| CN109396517A (en) * | 2018-12-21 | 2019-03-01 | 成都美奢锐新材料有限公司 | A kind of assembly type high-precision end milling cutter |
| CN111922445A (en) * | 2020-06-18 | 2020-11-13 | 西安理工大学 | Conical honing wheel and gear honing processing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011139960A1 (en) * | 2010-05-04 | 2011-11-10 | Illinois Tool Works Inc. | Drill bit, device for producing and method for producing a drill bit |
| CN102825318A (en) * | 2012-09-19 | 2012-12-19 | 常州克劳诺斯特种轴承制造有限公司 | Annular groove and chamfer combined milling cutter |
| CN203304660U (en) * | 2013-06-29 | 2013-11-27 | 辉县市汽车配件有限责任公司 | Cutter for milling a planar groove in a numerical control manner |
| EP2821170A1 (en) * | 2013-07-03 | 2015-01-07 | Sandvik Intellectual Property AB | A cutting insert and a milling tool |
| CN104551151A (en) * | 2013-10-29 | 2015-04-29 | 常州市海力工具有限公司 | Circular ring slotting cutter |
| CN105618827A (en) * | 2014-11-26 | 2016-06-01 | 周志炳 | Easily-positioned milling cutter |
| CN206065514U (en) * | 2016-08-31 | 2017-04-05 | 中国航天科技集团公司烽火机械厂 | A kind of deep hole end face annular groove forming-tool |
-
2016
- 2016-08-31 CN CN201610792515.9A patent/CN106112083B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011139960A1 (en) * | 2010-05-04 | 2011-11-10 | Illinois Tool Works Inc. | Drill bit, device for producing and method for producing a drill bit |
| CN102825318A (en) * | 2012-09-19 | 2012-12-19 | 常州克劳诺斯特种轴承制造有限公司 | Annular groove and chamfer combined milling cutter |
| CN203304660U (en) * | 2013-06-29 | 2013-11-27 | 辉县市汽车配件有限责任公司 | Cutter for milling a planar groove in a numerical control manner |
| EP2821170A1 (en) * | 2013-07-03 | 2015-01-07 | Sandvik Intellectual Property AB | A cutting insert and a milling tool |
| CN104551151A (en) * | 2013-10-29 | 2015-04-29 | 常州市海力工具有限公司 | Circular ring slotting cutter |
| CN105618827A (en) * | 2014-11-26 | 2016-06-01 | 周志炳 | Easily-positioned milling cutter |
| CN206065514U (en) * | 2016-08-31 | 2017-04-05 | 中国航天科技集团公司烽火机械厂 | A kind of deep hole end face annular groove forming-tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716962A (en) * | 2017-09-30 | 2018-02-23 | 鼎胜刀具（东莞）有限公司 | A kind of minute surface knife |
| CN109396517A (en) * | 2018-12-21 | 2019-03-01 | 成都美奢锐新材料有限公司 | A kind of assembly type high-precision end milling cutter |
| CN109396517B (en) * | 2018-12-21 | 2024-01-23 | 成都美奢锐新材料有限公司 | Assembled high-precision vertical milling cutter |
| CN111922445A (en) * | 2020-06-18 | 2020-11-13 | 西安理工大学 | Conical honing wheel and gear honing processing method |
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| Publication number | Publication date |
|---|---|
| CN106112083B (en) | 2018-09-04 |
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Address after: 611130 Changan Road, Liucheng, Wenjiang District, Chengdu, Sichuan Province, No. 198 Applicant after: Sichuan Aerospace beacon Servo Control Technology Co., Ltd. Address before: 611100 Liucheng Road, Wenjiang, Sichuan, No. Changan Road, No. 198 Applicant before: Fenghuo Machine Works of China Aerospace Science and Technology Corporation |
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