CN102229138A - Key groove lineation method for making aligned tooth sample plate and used for helical gear with odd teeth - Google Patents
Key groove lineation method for making aligned tooth sample plate and used for helical gear with odd teeth Download PDFInfo
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- CN102229138A CN102229138A CN2011101566179A CN201110156617A CN102229138A CN 102229138 A CN102229138 A CN 102229138A CN 2011101566179 A CN2011101566179 A CN 2011101566179A CN 201110156617 A CN201110156617 A CN 201110156617A CN 102229138 A CN102229138 A CN 102229138A
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Abstract
The invention discloses a key groove lineation method for making an aligned tooth sample plate and used for a helical gear with odd teeth. The aligned tooth sample plate consists of a sample plate body (1), a bulb moving rod (2) and a nut (3). The method comprises the following steps of: screwing a screw of the bulb moving rod into an internal thread hole of a stepped through hole of the sample plate body till the bulb of a sphere exceeds the end face A of a lug boss at the lower end of the right side of the sample plate body; arranging the sample plate body provided with the bulb moving rod into an inner hole of the helical gear with odd teeth; negatively screwing the bulb moving rod, gradually screwing the bulb moving rod into a tooth groove between two adjacent oblique teeth of the helical gear with odd teeth till complete contact with the tooth groove, and then tightening the bulb moving rod at the screw of the bulb moving rod through the nut; marking a key groove width b and a key groove depth t of the helical gear with odd teeth through a key groove formed at the left end face of the inside diameter of the sample plate body and by means of a lineation pen, wherein the key groove width b can correspond to the tooth outline of the end face of a random odd tooth; and then machining the helical gear with odd teeth according to the key groove width b and the key groove depth t.
Description
Technical field
The invention belongs to gear keyway ruling field, especially a kind of making is to the tooth model and be used for the helical gear keyway scribble method of odd number tooth.
Background technology
3500 steekle mill middle gear XC240-9 are cylindrical involute helical gear, and this helical gear structure is shown in Fig. 1-2, and its basic parameter is as follows:
Normal module Mn=40mm, tooth number Z=27, normal profile angle α n=25 °, spiral angle of graduated circle β=12 °, hand of spiral dextrorotation, tip diameter da=1199.515mm, reference diameter d=1104.128mm, normal direction modification coefficient Xn=0.20446mm, the base tangent length of crossing over 5 teeth is 550.613mm, the common normal average length upper deviation is 0mm, and common normal average length lower deviation is-0.038mm facewidth B=800mm.
This helical gear is reprocessed the flat key keyway after processing profile of tooth according to above-mentioned basic parameter, and the machined parameters of flat key keyway is as follows:
Diameter of bore D=690mm, the wide b=177.8mm of keyway, dark (the comprising endoporus) t=744mm of keyway.
Press Design Requirement Drawing, keyway on the helical gear endoporus is wide must be corresponding with the flank profil of arbitrary odd number increment face, or overlap described symmetrical center line and be flank profil symmetrical center line between the pairing two helical teeth end faces of this arbitrary odd number tooth with the symmetrical center line of arbitrary odd number tooth flank profil end face according to the symmetrical center line of the wide b of Fig. 1 keyway.
Because keyway is wide must be corresponding with the flank profil of arbitrary odd number increment face, adopt artificial method of scoring because the above-mentioned corresponding relation of its line low and very difficult realization of precision makes to the tooth model and be used for the helical gear keyway scribble method of odd number tooth yet there are no relevant report so far earlier.
Summary of the invention
For solving the low problem of bringing of artificial line precision, the invention provides a kind of making to the tooth model and be used for the helical gear keyway scribble method of odd number tooth, by making the tooth model earlier and being used for the helical gear keyway line of odd number tooth, can realize that the wide b of the keyway of being drawn is corresponding with the flank profil of arbitrary odd number increment face, have the tooth sample making easy, line speed is fast, the characteristics of line precision height.
For achieving the above object, the present invention adopts following technical scheme:
Described making is to the tooth model and be used for the helical gear keyway scribble method of odd number tooth, it is made of model body, bulb carriage release lever and nut the tooth model, in the lower end boss on model body right side, be provided with stepped through hole, the symmetrical centre extended line in the central axis of described stepped through hole and model body left side is α ° of angle, dispose the bulb carriage release lever in the described stepped through hole, the bulb carriage release lever is positioned in the set stepped through hole of the lower end boss on model body right side by nut.
The rounded through hole in model body left side and at the lower end of manhole configuration open circles boss, described manhole constitutes disjunctor and has identical internal diameter with described open circles boss, this internal diameter is less than the helical gear diameter of bore D of odd number tooth, the helical gear diameter of bore D of the external diameter of described open circles boss=odd number tooth, internal diameter left side at the model body is provided with keyway, the width b of described keyway
1The wide b of the helical gear keyway of=odd number tooth, the degree of depth t from the external diameter end face of open circles boss to described key slot ends
1The dark t of the helical gear keyway of=odd number tooth, set its macropore of stepped through hole is a unthreaded hole and aperture is an internal thread hole in the lower end boss on model body right side, the central axis of described stepped through hole is h mm apart from the spacing of described manhole lower surface.
The front end of bulb carriage release lever is the spherosome with ball R diameter, what connect with described spherosome transition is short cylindrical, the unthreaded hole internal diameter of the external diameter of this short cylindrical=described stepped through hole, what connect with this short cylindrical transition is to have externally threaded screw rod, the external screw thread of this screw rod and the internal thread hole of described stepped through hole coupling, what connect with the screw rod transition is the multiple edge body that has milling plane.
It is above-mentioned that the tooth model is used for the helical gear keyway scribble method of odd number tooth is as follows:
1. elder generation screws the screw rod of bulb carriage release lever in the internal thread hole of the described stepped through hole of model body, and the bulb that extremely arrives described spherosome surpasses till the A end face of lower end, model body right side boss;
The model body that 2. the bulb carriage release lever will be housed is packed in the helical gear endoporus of odd number tooth, and attention is that the described open circles boss of model body lower end configuration is packed among the helical gear endoporus D of odd number tooth;
3. bulb carriage release lever derotation and screwing in gradually in the teeth groove between the odd number tooth helical gear two adjacent helical teeth until contacting with described teeth groove fully screws the bulb carriage release lever at the screw rod place of bulb carriage release lever by nut then;
4. mark wide b of the helical gear keyway of odd number tooth and the dark t of keyway by the described keyway of model body internal diameter left side setting and by bow pen, the wide b of the keyway of being drawn can guarantee corresponding with the flank profil of arbitrary odd number increment face, according to wide b of drawing keyway and the dark t of keyway odd number tooth helical gear is carried out machining then.
Above-mentioned described α ° of angle basis
Calculate.
Above-mentioned described spacing h determines according to the helical gear facewidth B of odd number tooth, generally described spacing h=(1/8
~1/10) * the helical gear facewidth B of odd number tooth.
The ball R basis of above-mentioned described spherosome
Owing to adopt technical scheme as mentioned above, the present invention has following good effect:
1, of the present inventionly can make according to the odd number tooth helical gear of different parameters the tooth model, arbitrary odd number tooth and the wide b of its keyway have the helical gear of corresponding requirement in being specially adapted to, and be simple to the tooth sample making;
2, use can be made line fast to the flat key keyway that odd number tooth helical gear is processed to the tooth model, has line precision height, the accurate characteristics of line;
3, the wide b of the keyway of being drawn can guarantee corresponding with the flank profil of arbitrary odd number increment face.
Description of drawings
Fig. 1 is the structural representation of gear XC240-9;
Fig. 2 is the A-A place cutaway view of Fig. 1;
Fig. 3 is the structural representation to the tooth model;
Fig. 4 is that the B-B place of Fig. 3 launches cutaway view;
Fig. 5 is the structural representation of model body;
Fig. 6 is that the C-C place of Fig. 5 launches cutaway view;
Fig. 7 is the structural representation of bulb carriage release lever;
Fig. 8 is the structural representation that the bulb carriage release lever is assemblied in the model body;
Fig. 9 is the configuration schematic diagram when ruling to tooth model and gear XC240-9;
Figure 10 is that the D-D place of Fig. 9 launches cutaway view;
Among Fig. 1-2: the diameter of bore of D-gear XC240-9; The b keyway is wide; The keyway of t-gear XC240-9 dark (comprising endoporus); The tip diameter of da-gear XC240-9; The reference diameter of d-gear XC240-9; The facewidth of B-gear XC240-9.
Among Fig. 3-10: 1-model body; 2-bulb carriage release lever; 3-nut; b
1The width of-model body keyway; t
1The external diameter end face of-model body open circles boss is to the degree of depth of key slot ends; The angle of the symmetrical centre extended line in the central axis of α-stepped through hole of model body and model body left side; The central axis of h-stepped through hole of model body is apart from the spacing of manhole lower surface; A-model body end face.
The specific embodiment
With cylindrical involute helical gear XC240-9 in 3500 steekle mills is example, wherein the basic design parameters of helical gear XC240-9 see the following form (being as the criterion with the mark code name among Fig. 1-2):
| Title | Code name | Numerical value |
| Normal module | Mn | 40 |
| The number of teeth | Z | 27 |
| Normal profile angle | αn | 25° |
| Spiral angle of graduated circle | β | 12° |
| The hand of spiral | ? | Dextrorotation |
| The normal direction modification coefficient | Xn | 0.20446 |
| Reference diameter | d | 1104.128mm |
| The facewidth | B | 800mm |
The design parameter of helical gear XC240-9 keyway is: diameter of bore D=690mm, the wide b=177.8mm of keyway, dark (the comprising endoporus) t=744mm of keyway.
In conjunction with Fig. 3-4, the tooth model is made of model body 1, bulb carriage release lever 2 and nut 3, be provided with stepped through hole in the lower end boss on model body 1 right side, the symmetrical centre extended line in the central axis of described stepped through hole and model body left side is α ° of angle, α ° of angle basis
Calculate the spacing h=1/8 * helical gear facewidth B=1/8 of odd number tooth * 800mm=100mm wherein, then α °
=2 ° 12 ' 22 ".Dispose bulb carriage release lever 2 in the described stepped through hole, bulb carriage release lever 2 is positioned in the set stepped through hole of the lower end boss on model body 1 right side by nut 3.
In conjunction with Fig. 5-6, the rounded through hole in model body 1 left side and at the lower end of manhole configuration open circles boss, described manhole constitutes disjunctor and has identical internal diameter with described open circles boss, this internal diameter is less than the helical gear diameter of bore D=690mm of odd number tooth, the external diameter of described open circles boss is set at the helical gear diameter of bore D=690mm of 690mm=odd number tooth according to the design parameter of helical gear XC240-9 keyway, internal diameter left side at model body 1 is provided with keyway, the width b of this keyway
1Design parameter according to helical gear XC240-9 keyway is set at 177.8mm=wide b=177.8mm of the helical gear keyway of odd number tooth, the groove depth t from the external diameter end face of open circles boss to this keyway
1Be set at 744mm=dark t=744mm(of the helical gear keyway of odd number tooth according to the design parameter of helical gear XC240-9 keyway and include diameter of bore D), set its macropore of stepped through hole is a unthreaded hole and aperture is an internal thread hole in the lower end boss on model body 1 right side, the central axis of described stepped through hole apart from the spacing h of manhole lower surface according to the above-mentioned 100mm that equals.
In conjunction with Fig. 4 and Fig. 7, the front end of bulb carriage release lever 2 is the spherosomes with ball R diameter, because
=
=40.894,
=25.488 °, therefore
=32.07mm
In conjunction with Fig. 4 and Fig. 7, what connect with described spherosome transition is short cylindrical, unthreaded hole internal diameter 66 mm of the external diameter 66 mm=described stepped through hole of this short cylindrical, what connect with this short cylindrical transition is to have externally threaded screw rod, the external screw thread M20 of this screw rod and the internal thread hole M20 of described stepped through hole are complementary, what connect with the screw rod transition is the multiple edge body that has milling plane, multiple edge body or four bank or ridge, or five rib bodies etc.
By above-mentioned analysis as can be seen: can make according to the odd number tooth helical gear of different parameters the tooth model, being specially adapted to has its corresponding odd number tooth helical gear that requires to its width of keyway, and the tooth model is had the simple characteristics of making.
It is as follows that the tooth model is used for the helical gear keyway scribble method of odd number tooth:
1. in conjunction with Fig. 8, the screw rod with bulb carriage release lever 2 screws in the internal thread hole of model body 1 described stepped through hole earlier, and the ball R that extremely arrives described spherosome surpasses till the A end face of lower end, model body right side boss.
2. in conjunction with Fig. 1-2 and Fig. 9-10, the model body 1 that bulb carriage release lever 2 is housed is packed in the helical gear endoporus of odd number tooth, attention is to pack into the open circles boss of model body 1 lower end configuration among the helical gear endoporus D of odd number tooth and can not produce loosening phenomenon each other, can not produce the processing mode that loosening phenomenon can take slight interference or transition to connect.
3. in conjunction with Fig. 9-10,2 derotations of bulb carriage release lever also screw in the teeth groove between adjacent two teeth of odd number tooth helical gear gradually, until contacting with described teeth groove fully, screw the bulb carriage release lever at the screw rod place of bulb carriage release lever 2 by nut 3 then.
4. mark wide b=177.8mm of the helical gear keyway of odd number tooth and the dark t=744mm of keyway by the keyway of model body 1 internal diameter left side setting and by bow pen, the wide b of the keyway of being drawn can guarantee corresponding with the flank profil of arbitrary odd number increment face, is the machining that 27 helical gear XC240-9 carries out keyway according to the wide b of drawing keyway and the dark t of keyway to the number of teeth then.
1. above-mentioned-as 4. to use and can make fast line to the flat key keyway that odd number tooth helical gear is processed to the tooth model, have line precision height, the accurate characteristics of line, and can guarantee that the flank profil of the wide and arbitrary odd number increment of the keyway face that marked is corresponding.Simultaneously can be with the tooth model be made check to it to the odd number tooth helical gear that processes the flat key keyway, the method for inspection can in conjunction with 1. above-mentioned-4..
Though the present invention only at be the helical gear keyway scribble method of odd number tooth, dual numbers tooth helical gear is suitable equally, does not give unnecessary details in addition.
Claims (4)
1. a making is to the tooth model and be used for the helical gear keyway scribble method of odd number tooth, it is made of model body (1), bulb carriage release lever (2) and nut (3) the tooth model, it is characterized in that: in the lower end boss on model body (1) right side, be provided with stepped through hole, the symmetrical centre extended line in the central axis of described stepped through hole and model body left side is α ° of angle, dispose bulb carriage release lever (2) in the described stepped through hole, bulb carriage release lever (2) is positioned in the set stepped through hole of the lower end boss on model body (1) right side by nut (3);
The rounded through hole in model body (1) left side and at the lower end of manhole configuration open circles boss, described manhole constitutes disjunctor and has identical internal diameter with described open circles boss, this internal diameter is less than the helical gear diameter of bore D of odd number tooth, the helical gear diameter of bore D of the external diameter of described open circles boss=odd number tooth, internal diameter left side at model body (1) is provided with keyway, the width b of described keyway
1The wide b of the helical gear keyway of=odd number tooth, the degree of depth t from the external diameter end face of open circles boss to described key slot ends
1The dark t of the helical gear keyway of=odd number tooth, set its macropore of stepped through hole is a unthreaded hole and aperture is an internal thread hole in the lower end boss on model body (1) right side, the central axis of described stepped through hole is h mm apart from the spacing of described manhole lower surface;
The front end of bulb carriage release lever (2) is the spherosome with ball R diameter, what connect with described spherosome transition is short cylindrical, the unthreaded hole internal diameter of the external diameter of this short cylindrical=described stepped through hole, what connect with this short cylindrical transition is to have externally threaded screw rod, the external screw thread of this screw rod and the internal thread hole of described stepped through hole coupling, what connect with the screw rod transition is the multiple edge body that has milling plane;
It is above-mentioned that the tooth model is used for the helical gear keyway scribble method of odd number tooth is as follows:
1. elder generation screws the screw rod of bulb carriage release lever (2) in the internal thread hole of the described stepped through hole of model body (1), and the bulb that extremely arrives described spherosome surpasses till the A end face of model body (1) lower end, right side boss;
The model body (1) that bulb carriage release lever (2) 2. will be housed is packed in the helical gear endoporus of odd number tooth, and attention is that the described open circles boss of model body (1) lower end configuration is packed among the helical gear endoporus D of odd number tooth;
3. bulb carriage release lever (2) derotation and screwing in gradually in the teeth groove between the odd number tooth helical gear two adjacent helical teeth until contacting with described teeth groove fully screws bulb carriage release lever (2) at the screw rod place of bulb carriage release lever (2) by nut (3) then;
4. mark wide b of the helical gear keyway of odd number tooth and the dark t of keyway by the described keyway of model body (1) internal diameter left side setting and by bow pen.
2. make the tooth model according to claim 1 and be used for the helical gear keyway scribble method of odd number tooth, it is characterized in that: described α ° of angle basis
Calculate.
3. make the tooth model according to claim 1 and be used for the helical gear keyway scribble method of odd number tooth, it is characterized in that: described spacing h determines according to the helical gear facewidth B of odd number tooth, generally described spacing h=(1/8
~1/10) * the helical gear facewidth B of odd number tooth.
4. make the tooth model according to claim 1 and be used for the helical gear keyway scribble method of odd number tooth, it is characterized in that: the ball R basis of described spherosome
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101566179A CN102229138A (en) | 2011-06-13 | 2011-06-13 | Key groove lineation method for making aligned tooth sample plate and used for helical gear with odd teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101566179A CN102229138A (en) | 2011-06-13 | 2011-06-13 | Key groove lineation method for making aligned tooth sample plate and used for helical gear with odd teeth |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712583A (en) * | 2012-09-28 | 2014-04-09 | 宁波江丰电子材料有限公司 | Groove width and size measurement methods |
| CN105364419A (en) * | 2015-12-10 | 2016-03-02 | 常州天山重工机械有限公司 | Method for processing keyway through helical gear |
| CN107234288A (en) * | 2017-08-09 | 2017-10-10 | 山东金辰机械股份有限公司 | Herringbone bear inner hole key slot symmetrical machining frock and processing method |
| CN109365924A (en) * | 2018-12-24 | 2019-02-22 | 重庆市计量质量检测研究院 | The more ball magnetic orientation formula tooth pitch templates of multilayer-and its magnetic force design method |
| CN111319022A (en) * | 2020-03-09 | 2020-06-23 | 南宁学院 | Gear wheel tooth form marking and online detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627153A (en) * | 1947-06-28 | 1949-07-29 | Augustine Joseph Hartley | Improved means for gauging key-ways |
| CN101579855A (en) * | 2008-05-12 | 2009-11-18 | 郅郾城 | Mark scraper |
| CN101637835A (en) * | 2009-09-04 | 2010-02-03 | 宝钢集团苏州冶金机械厂 | Method for machining and detecting helical gear with key way |
-
2011
- 2011-06-13 CN CN2011101566179A patent/CN102229138A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627153A (en) * | 1947-06-28 | 1949-07-29 | Augustine Joseph Hartley | Improved means for gauging key-ways |
| CN101579855A (en) * | 2008-05-12 | 2009-11-18 | 郅郾城 | Mark scraper |
| CN101637835A (en) * | 2009-09-04 | 2010-02-03 | 宝钢集团苏州冶金机械厂 | Method for machining and detecting helical gear with key way |
Non-Patent Citations (1)
| Title |
|---|
| 郑小海等: "齿形与键槽位置精度的加工工艺研究", 《矿山机械》, vol. 38, no. 14, 20 July 2010 (2010-07-20), pages 97 - 99 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712583A (en) * | 2012-09-28 | 2014-04-09 | 宁波江丰电子材料有限公司 | Groove width and size measurement methods |
| CN105364419A (en) * | 2015-12-10 | 2016-03-02 | 常州天山重工机械有限公司 | Method for processing keyway through helical gear |
| CN107234288A (en) * | 2017-08-09 | 2017-10-10 | 山东金辰机械股份有限公司 | Herringbone bear inner hole key slot symmetrical machining frock and processing method |
| CN109365924A (en) * | 2018-12-24 | 2019-02-22 | 重庆市计量质量检测研究院 | The more ball magnetic orientation formula tooth pitch templates of multilayer-and its magnetic force design method |
| CN109365924B (en) * | 2018-12-24 | 2019-08-30 | 重庆市计量质量检测研究院 | The more ball magnetic orientation formula tooth pitch templates of multilayer-and its magnetic force design method |
| CN111319022A (en) * | 2020-03-09 | 2020-06-23 | 南宁学院 | Gear wheel tooth form marking and online detection device |
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Application publication date: 20111102 |