CN106549284B - The lead installation method and lead wire mounting structure of carbon brush - Google Patents
The lead installation method and lead wire mounting structure of carbon brush Download PDFInfo
- Publication number
- CN106549284B CN106549284B CN201510931626.9A CN201510931626A CN106549284B CN 106549284 B CN106549284 B CN 106549284B CN 201510931626 A CN201510931626 A CN 201510931626A CN 106549284 B CN106549284 B CN 106549284B
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- Prior art keywords
- lead
- bite
- periphery
- brush
- mounting hole
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- 238000000034 method Methods 0.000 title claims abstract description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title claims abstract description 14
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 46
- 230000007423 decrease Effects 0.000 claims abstract description 30
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 18
- 230000000630 rising effect Effects 0.000 description 5
- 238000003672 processing method Methods 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/36—Connections of cable or wire to brush
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/12—Manufacture of brushes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Drilling And Boring (AREA)
Abstract
Lead installation method and lead wire mounting structure that lead (103) are difficult to the carbon brush being detached from are provided.With the decline of drill bit for machining (10), straight hole (21) are cut out on body of the brush (101) by top bite (13), and the helicla flute (22) of the inner wall extension along straight hole is cut out by the first periphery bite (14) and the second periphery bite (15).And, in stopping step (D), drill bit for machining is rotated with the state for stopping lifting, therefore, wide diameter portion (23) are formed in the bottom of straight hole by the first periphery bite and the second periphery bite, the internal diameter of the wide diameter portion is bigger than the outer diameter of helicla flute.In by the base end part of lead insertion lead mounting hole and to filling copper powder (111) around it, and then pressurize compression filling copper powder and by lead be fixed on lead mounting hole (20) it is interior when, since the base end part of lead is blocked by helicla flute and wide diameter portion, so lead is difficult to be detached from from lead mounting hole.
Description
Technical field
The present invention relates to the lead installation methods and lead wire mounting structure of carbon brush.
Background technique
As a form of carbon brush, in Japanese Unexamined Patent Publication 2006-50772 bulletin, Japanese Unexamined Patent Publication 2008-154453 public affairs
Following carbon brush is disclosed in report, Japanese Unexamined Patent Publication 2011-50142 bulletin etc.：By the way that the base end part insertion of lead is formed in brush
In the lead mounting hole of main body, and pressurization compression is carried out after copper powder is filled to lead mounting hole, so that lead be made to be fixed on brush
In main body.
In general, this kind of lead mounting hole is processed on body of the brush using drill bit 100 shown in fig. 6.As shown in fig. 7, sharp
There is straight shape with the lead mounting hole 102 that the drill bit 100 is processed on body of the brush 101.It will using lead mounting device 110
Lead 103 is mounted in the lead mounting hole 102.Lead mounting device 110 have for store copper powder 111 reception ware 112,
The pipe 114 liftably chimeric with the bottom opening 113 for receiving ware 112.
By making the step of lead mounting device 110 in Fig. 8 to schematically show movement, lead 103 is fixed on brush
In the lead mounting hole 102 of main body 101.Firstly, declining the pipe 114 inserted with lead 103 so that pipe 114
Into lead mounting hole 102, and then will press from the base end part of the top of pipe 114 lead 103 outstanding in lead mounting hole 102
Bottom hole, thus the base end part of interim formed leads 103.
Then, increase pipe 114 and open by the opening of the closed bottom surface for receiving ware 112 of pipe 114
113, and then copper powder 111 is imported to lead mounting hole 102 from ware 112 is received, therefore, pacify in the base end part and lead of lead 103
Fill the gap filling copper powder 111 between hole 102.
Then, in step (C), again decline pipe 114 and close the opening 113 for receiving ware 112 by pipe 114, thus
Stop from ware 112 is received to the importing copper powder 111 of lead mounting hole 102.
Moreover, declining pipe 114, and make the top of pipe 114 by the copper powder in voltage lead wires mounting hole 102 in step (D)
111 and carry out pressurization compression, hereafter, in step (E), make again pipe 114 rise and from lead mounting hole 102 extract.By
A series of step (A)~(E), the base end part of lead 103 is fixed in the lead mounting hole 102 of body of the brush 101.
Patent document 1：Japanese Unexamined Patent Publication 2006-50772 bulletin
Patent document 2：Japanese Unexamined Patent Publication 2008-154453 bulletin
Patent document 3：Japanese Unexamined Patent Publication 2011-50142 bulletin
Summary of the invention
Since the shape for the lead mounting hole 102 processed using previous drill bit 100 is directly, so the base of lead 103
End is difficult to be blocked by the inner wall of lead mounting hole 102.Therefore, pressurization compresses copper powder 111 and fixes the base end part of lead 103
Fixed force when on body of the brush 101 is low, to be easy to be detached from from lead mounting hole 102.On the other hand, if strong pressurizing copper powder
111 and compress, though then fixed force increases, there are body of the brush 101 due to high plus-pressure it is damaged a possibility that.
The present invention proposes in view of the above problems, it is intended that providing the lead peace that lead is difficult to the carbon brush being detached from
Dress method and lead wire mounting structure.
Invention described in technical solution 1 provides a kind of lead installation method of carbon brush, which is, by by the base of lead
End insertion is formed in the lead mounting hole of body of the brush, and carries out pressurization pressure after conductive powder is filled to lead mounting hole
Contracting, thus carbon brush obtained from being fixed on lead on body of the brush, the lead installation method of the carbon brush is characterized in that,
Using the drill bit for machining of the following lead mounting hole for processing carbon brush, which is set as：
The top of drill main body is provided with the diameter top axle portion smaller than the diameter of drill main body, and in the top end shaft
Leading edge is provided in portion, which includes top bite, the first periphery bite, from the first periphery bite continuous second
Periphery bite,
Top bite, the first periphery bite and the second periphery bite are arranged in the rotation comprising drill main body
On the datum level of heart line, and bite configuration in top is in the side of rotation centerline, the first periphery bite and the second periphery
Bite is configured in the other side of rotation centerline,
Connected on rotation centerline with the inside corner portion in the inside corner portion of top bite and the first periphery bite
Top bite and the first periphery bite is arranged in the mode connect, and in the datum level, outside top bite and first
All bites at defined angle,
First periphery bite and the second periphery bite form the both sides of the triangle each other in defined angle, and by
The top corner part that both sides divide the triangle to be formed is prominent to the side of the top axle portion；
The lead installation method of the carbon brush has following process：
Lead mounting hole manufacturing procedure enters internal straight hole, edge for processing to have from the surface of body of the brush as the crow flies
The inner wall helicla flute extended of straight hole, the bottom and the internal diameter wide diameter portion bigger than the outer diameter of helicla flute that are formed in straight hole lead
Mounting hole, including：
Decline step, so that drill bit for machining is withed defined decrease speed while rotate relative to body of the brush and decline,
Stop step, when drill bit for machining drops to defined depth relative to body of the brush, continues drill bit for machining
Rotation but stopping decline,
And then up step stops process, drill bit for machining is made to the rising faster than decrease speed while rotating
Speed rises.
It is inserted into process, the base end part of lead is inserted into lead mounting hole,
Filling procedure, to insertion lead mounting hole in lead around fill conductive powder,
Fixed step carries out pressurization compression to the conductive powder of filling to lead mounting hole and lead is fixed on body of the brush
On.
On the basis of the invention described in technical solution 1 of invention described in technical solution 2, which is characterized in that
The radius x of interval y and the top axle portion between the rotation centerline and the top corner part meet formula：y/
x≥1.9。
On the basis of the invention described in technical solution 1 of invention described in technical solution 3, which is characterized in that
Top bite and the first periphery bite angulation are 110~130 °, and the first periphery bite and the
Two periphery bite angulations are 80~100 °.
Invention described in technical solution 4 provides a kind of lead wire mounting structure of carbon brush, which is, by by the base of lead
End insertion is formed in the lead mounting hole of body of the brush, and carries out pressurization pressure after conductive powder is filled to lead mounting hole
Contracting, thus carbon brush obtained from being fixed on lead on body of the brush, the lead wire mounting structure of the carbon brush is characterized in that,
The lead mounting hole has the straight hole inside entering as the crow flies from the surface of body of the brush, prolongs along the inner wall of straight hole
The helicla flute stretched, the bottom for being formed in straight hole and the internal diameter wide diameter portion bigger than the outer diameter of helicla flute.
According to the present invention of technical solution 1, it is more straight than main body that the top end part of the main body of drill bit for machining is provided with diameter
The small top axle portion of diameter, on top, axle portion is provided with the first periphery bite and the second periphery bite, and the first periphery is cut
Sharpener and the second periphery bite form the both sides of the triangle each other in defined angle, and the triangle formed is divided by both sides
The top corner part of shape is prominent to the side of the top axle portion, and therefore, with the rotation of drill bit for machining, top axle portion vibrates one on one side
Side rotation.
Therefore, decline process in, with the decline of drill bit for machining, by top bite on body of the brush machining
Straight hole out, and the first periphery bite and the second periphery bite by constituting triangle, cut out along straight hole
Inner wall extend helicla flute.
In stopping step, drill bit for machining is rotated with the state for stopping lifting, therefore, by the first periphery bite and
Second periphery bite forms wide diameter portion in the bottom of straight hole, and the internal diameter of the wide diameter portion is bigger than the outer diameter of helicla flute.
The spacing of helicla flute is formed by with the liter of drill bit for machining by the first periphery bite and the second periphery bite
Reduction of speed degree becomes faster and becomes larger.Also, the spacing of helicla flute is bigger, and top axle portion is more significantly vibrated to center axis, therefore, spiral
The outer diameter of slot becomes smaller.On the other hand, if the lifting speed of drill bit for machining is slack-off, the spacing of helicla flute becomes smaller, to top axle portion
The vibration of center axis become smaller, therefore, the outer diameter of helicla flute becomes larger.In rising process, drill bit is with faster than decrease speed upper
Lifting speed rises, and therefore, is formed by the spacing ratio of helicla flute along the inner wall of straight hole in rising process in decline process
The spacing for being formed by helicla flute is big.Therefore, even if a part of the helicla flute formed in decline process is rising process
Middle breakage, but major part is retained.
In this way, by utilizing drill bit for machining of the invention via decline step, stopping step, each step of up step
Body of the brush is processed, so that processing lead mounting hole on body of the brush, which has from the surface of body of the brush pen
Directly into internal straight hole, along straight hole inner wall extension helicla flute, be formed in straight hole bottom and internal diameter compare helicla flute
The big wide diameter portion of outer diameter.
In insertion process by the lead mounting hole of the base end part insert structure of lead, in filling work procedure to around lead
Fill conductive powder, pressurize compression conductive powder in pressurization operation, so that lead be made to be fixed in lead mounting hole, as a result, by
It is blocked in the base end part of lead by helicla flute and wide diameter portion, so lead is difficult to be detached from from lead mounting hole.
According to the invention of technical solution 2, top corner part becomes large-sized to the prominent of the side of top axle portion, in processing brill
When head rotation, top axle portion is easy vibration.
According to the invention of technical solution 3, in processing, the shape of helicla flute is difficult to avalanche.In addition, the first periphery bite
It is located at the position that vibration is easy in drill bit for machining rotation with triangle formed by the second periphery bite.
Detailed description of the invention
Fig. 1 is the processing for showing the lead mounting hole of lead installation method of the carbon brush for one embodiment of the present of invention
With the side view of drill bit.
Fig. 2 is the main view for showing same drill bit for machining.
Fig. 3 is the explanation for schematically showing the processing method of lead mounting hole of the carbon brush using same drill bit for machining
Figure.
Fig. 4 is the perspective view for showing an example of the lead mounting hole using the processing of same processing method.
Fig. 5 is to schematically show the step being fixed on lead in the lead mounting hole using the processing of same processing method
Explanatory diagram.
Fig. 6 is the side view for showing the drill bit for machining of previous lead mounting hole.
Fig. 7 is to schematically show to utilize the lead mounting hole of same drill bit for machining processing and saying for lead mounting device
Bright figure.
Fig. 8 is to schematically show the step being fixed on lead in the lead mounting hole using the processing of same drill bit for machining
Rapid explanatory diagram.
The explanation of appended drawing reference：
10：The drill bit for machining of lead mounting hole
11：The main body of drill bit for machining
12：Top axle portion
12A：Leading edge
13：Top bite
14：First periphery bite
15：Second periphery bite
16：Inside corner portion
17：Top corner part
20：Lead mounting hole
21：Straight hole
22：Helicla flute
23：Wide diameter portion
101：Body of the brush
103：Lead
110：Lead mounting device
111：Copper powder
112：Receive ware
113：Bottom opening
L：Rotation centerline
S：Datum level
Specific embodiment
In the following, based on the Detailed description of the invention present invention.Figures 1 and 2 show that be used for the carbon brush of one embodiment of the present of invention
The drill bit for machining 10 of the processing method of lead mounting hole.The top end part of the main body 11 of the drill bit for machining 10 is provided with diameter
The top axle portion 12 smaller than the diameter of main body 11.The diameter of top axle portion 12 about based on 11 diameter half.On the top
Axle portion 12 is provided with leading edge 12A, leading edge 12A include top bite 13, the first periphery bite 14, from the first periphery cut
14 continuous second periphery bite 15 of knife.
Top bite 13, the first periphery bite 14 and the setting of the second periphery bite 15 are including drill main body 11
Rotation centerline L datum level S in.The side of rotation centerline L, the first periphery bite 14 is arranged in top bite 13
The other side of rotation centerline L, the inside corner portion 16 of top bite 13 and first are set with the second periphery bite 15
The inside corner portion 16 of periphery bite 14 connects.
First periphery bite 14 and the second periphery bite 15 are set as, and the both sides of triangle are formed in datum level S
And the top corner part 17 that the triangle formed is divided from both sides is prominent to the side of top axle portion 12.
Also, the size relationship of the interval y between rotation centerline L and top corner part 17 and the radius x of top axle portion 12 are set
It is set to, meets formula：y/x≥1.9.
With top bite 13 and the first periphery bite 14 side that angulation θ 1 is 110~130 ° in datum level
Two bites 13,14 are arranged in formula.In addition, the institute in datum level S with the first periphery bite 14 and the second periphery bite 15
At angle, θ 2 be that two bites 14,15 are arranged in 80~100 ° of mode.In addition, top bite 13, the cutting of the first periphery
The relief angle of knife 14 and the second periphery bite 15 is set as 20 °.
The structure of drill bit for machining 10 is as described above, Fig. 3 is schematically shown using the drill bit for machining 10 in carbon brush
Main body 101 on process lead mounting hole 20 the step of (A)~(E).Firstly, making to process in decline process (A), (B), (C)
Declined relative to body of the brush 101 on one side withing defined decrease speed on one side with fixing speed rotation with drill bit 10.Also, when processing
Stop decline when dropping to defined depth relative to body of the brush 101 with drill bit 10.In the stopping process (D), such as decline
Equally, drill bit for machining 10 continues to rotate process (A)~(C).After stopping process (D), make drill bit for machining 10 to keep revolving
The state turned rises.In the rate of climb ratio for rising the drill bit for machining 10 in process (E) in decline process (A)~(C)
Decrease speed is fast, so as to rapidly extract drill bit for machining 10 from body of the brush 101.
According to the present embodiment, in the top end part of main body 11, the setting diameter top axle portion 12 smaller than the diameter of main body, is being pushed up
Hold axle portion 12 that first periphery bite 14 and the second periphery bite 15, and the first periphery bite 14 and the second periphery are set
Bite 15 form the both sides each other in the triangle of predetermined angular and divided from both sides the top corner part 17 of the triangle formed to
The side of top axle portion 12 is prominent, and therefore, with the rotation of drill bit for machining 10, top axle portion 12 rotates while vibrating.Cause
This, with the decline of the drill bit for machining 10 in step (A)~(C), by top bite 13 on body of the brush 101 machining
Straight hole 21, and extended through the first periphery bite 14 and 15 machining of the second periphery bite along the inner wall of straight hole 21
Helicla flute 22.Also, in stopping process (D), drill bit for machining 10 is to keep the state for stopping lifting rotating, and therefore, leads to
Cross the first periphery bite 14 and the second periphery bite 15 straight hole 21 bottom formed wide diameter portion 23, the wide diameter portion 23 it is interior
Diameter is bigger than the outer diameter of helicla flute 22.Fig. 4 shows one of the shape for the lead mounting hole 20 processed using drill bit for machining 10
Example.
The spacing of helicla flute 22 is formed by with processing brill by the first periphery bite 14 and the second periphery bite 15
First 10 lifting speed becomes faster and becomes larger.Also, the spacing of helicla flute 22 is bigger, then the outer diameter of helicla flute 22 is smaller.Another party
Face, if the lifting speed of drill bit for machining 10 is slack-off, the spacing of helicla flute 22 becomes smaller, as a result, the outer diameter of helicla flute 22 becomes
Greatly.In up step, drill bit for machining 10 is risen with the rate of climb faster than decrease speed, therefore, the edge in up step
The inner wall of straight hole 21 to be formed by the spacing of helicla flute 22 bigger than the spacing of the helicla flute 22 formed in decline step.Cause
This, even if a part of the helicla flute 22 formed in decline step is damaged in up step, but major part is retained.
As described above, being walked by the drill bit for machining 10 using the present embodiment via decline step (A), (B), (C), stopping
Suddenly the step of (D), up step (E) processes body of the brush 101, so that lead mounting hole 20 is processed on body of the brush 101, it should
Lead mounting hole 20 has the straight hole 21 inside entering as the crow flies from the surface of body of the brush 101, extends along the inner wall of straight hole 21
Helicla flute 22, be formed in straight hole 21 bottom and the internal diameter wide diameter portion 23 bigger than the internal diameter of straight hole 21.
Then, the step of the anchor leg 103 in the lead mounting hole 20 processed using drill bit for machining 10 is illustrated based on Fig. 5
Suddenly.Firstly, declining the pipe 114 inserted with lead 103 in insertion process (A), and pipe 114 is made to enter lead mounting hole 20,
The wide diameter portion 23 in the bottom of lead mounting hole 20 will be pressed from the base end part of the top of pipe 114 lead 103 outstanding in turn, from
And the base end part of interim formed leads 103.Then, in filling work procedure (B), (C), (D), increase pipe 114, and open by pipe
The opening 113 of the 114 closed bottom surfaces for receiving ware 112, and then copper powder 111 is imported to lead mounting hole 20 from ware 112 is received, from
And the gap filling copper powder 111 between lead 103 and lead mounting hole 20 makes again after filling copper powder 111 of specified amount
Pipe 114 declines, and the opening 113 of ware 112 is received using the closing of pipe 114, to stop from ware 112 is received to lead mounting hole 20
Import copper powder 111.Then, in fixed step (E), further decline pipe 114, pressed on the top for making pipe 114 and circumferential surface
Copper powder 111 and pressurize compression copper powder 111 after, make pipe 114 rise and from lead mounting hole 20 extract, thus by the base of lead 103
End is fixed in the lead mounting hole 20 of body of the brush 101.Since the base end part of lead 103 is blocked by helicla flute 22 and wide diameter portion 23
Firmly, so being difficult to be detached from from lead mounting hole 20.
Claims (4)
1. a kind of lead installation method of carbon brush, the carbon brush are, by the way that the base end part insertion of lead is formed in drawing for body of the brush
In line mounting hole, and pressurization compression is carried out after conductive powder is filled to lead mounting hole, so that lead be made to be fixed on body of the brush
Carbon brush obtained from upper, the lead installation method of the carbon brush be characterized in that,
Using the drill bit for machining of the following lead mounting hole for processing carbon brush, which is set as：
The top of drill main body is provided with the diameter top axle portion smaller than the diameter of drill main body, and in the top axle portion
It is provided with leading edge, which includes top bite, the first periphery bite, from continuous second periphery of the first periphery bite
Bite,
The rotation centerline comprising drill main body is arranged in top bite, the first periphery bite and the second periphery bite
Datum level on, and bite configuration in top is in the side of rotation centerline, the first periphery bite and the cutting of the second periphery
Knife is configured in the other side of rotation centerline,
It is connected on rotation centerline with the inside corner portion in the inside corner portion of top bite and the first periphery bite
Top bite and the first periphery bite is arranged in mode, and in the datum level, and top bite and the first periphery are cut
Sharpener at defined angle,
First periphery bite and the second periphery bite form the both sides of the triangle each other in predetermined angular, and are drawn by both sides
Divide the top corner part of the triangle formed prominent to the side of the top axle portion；
The lead installation method of the carbon brush has following process：
Lead mounting hole manufacturing procedure enters internal straight hole, along straight for processing to have from the surface of body of the brush as the crow flies
The lead installation of helicla flute that the inner wall in hole extends, the bottom for being formed in straight hole and the internal diameter wide diameter portion bigger than the outer diameter of helicla flute
Hole, including：
Decline step, so that drill bit for machining is withed defined decrease speed while rotate relative to body of the brush and decline,
Stop step, when drill bit for machining drops to defined depth relative to body of the brush, drill bit for machining is made to continue to rotate
But stop decline,
And then up step stops process, drill bit for machining is made to the rate of climb faster than decrease speed while rotating
Rise；
It is inserted into process, the base end part of lead is inserted into lead mounting hole,
Filling procedure, to insertion lead mounting hole in lead around fill conductive powder,
Fixed step carries out pressurization compression to the conductive powder of filling to lead mounting hole and lead is fixed on body of the brush.
2. the lead installation method of carbon brush as described in claim 1, which is characterized in that
The radius x of interval y and the top axle portion between the rotation centerline and the top corner part meet formula：y/x≥
1.9。
3. the lead installation method of carbon brush as described in claim 1, which is characterized in that
Top bite and the first periphery bite angulation are 110~130 °, and outside the first periphery bite and second
All bite angulations are 80~100 °.
4. a kind of lead wire mounting structure of carbon brush, the carbon brush are, by the way that the base end part insertion of lead is formed in drawing for body of the brush
In line mounting hole, and pressurization compression is carried out after conductive powder is filled to lead mounting hole, so that lead be made to be fixed on body of the brush
Carbon brush obtained from upper, the lead wire mounting structure of the carbon brush be characterized in that,
The lead mounting hole has enters from the surface of body of the brush internal straight hole, the inner wall extension along straight hole as the crow flies
Helicla flute, the bottom for being formed in straight hole and the internal diameter wide diameter portion bigger than the outer diameter of helicla flute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015184642A JP6153266B2 (en) | 2015-09-18 | 2015-09-18 | Carbon brush lead wire mounting structure |
| JP2015-184642 | 2015-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106549284A CN106549284A (en) | 2017-03-29 |
| CN106549284B true CN106549284B (en) | 2018-11-27 |
Family
ID=58364915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510931626.9A Active CN106549284B (en) | 2015-09-18 | 2015-12-15 | The lead installation method and lead wire mounting structure of carbon brush |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6153266B2 (en) |
| CN (1) | CN106549284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365765B (en) * | 2022-07-29 | 2023-11-21 | 广联航空工业股份有限公司 | Deep hole machining method with position precision requirement |
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| JP2001252826A (en) * | 2000-03-06 | 2001-09-18 | Honda Motor Co Ltd | Threading method and spot facing method |
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| JP4416880B2 (en) * | 1999-10-01 | 2010-02-17 | 本田技研工業株式会社 | Re-grinding method for thread cutting tools |
| JP2011050142A (en) * | 2009-08-26 | 2011-03-10 | Aupack Co Ltd | Carbon brush and method of manufacturing the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60141409A (en) * | 1983-12-27 | 1985-07-26 | Nobuyuki Shinkai | Boring head |
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2015
- 2015-09-18 JP JP2015184642A patent/JP6153266B2/en active Active
- 2015-12-15 CN CN201510931626.9A patent/CN106549284B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189267U (en) * | 1981-05-26 | 1982-12-01 | ||
| JPH04164509A (en) * | 1990-10-24 | 1992-06-10 | Kenji Yamamoto | Drill having no chisel edge |
| JP4416880B2 (en) * | 1999-10-01 | 2010-02-17 | 本田技研工業株式会社 | Re-grinding method for thread cutting tools |
| JP2001252826A (en) * | 2000-03-06 | 2001-09-18 | Honda Motor Co Ltd | Threading method and spot facing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106549284A (en) | 2017-03-29 |
| JP6153266B2 (en) | 2017-06-28 |
| JP2017060338A (en) | 2017-03-23 |
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