CN102133663B - Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft - Google Patents
Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft Download PDFInfo
- Publication number
- CN102133663B CN102133663B CN 201010018256 CN201010018256A CN102133663B CN 102133663 B CN102133663 B CN 102133663B CN 201010018256 CN201010018256 CN 201010018256 CN 201010018256 A CN201010018256 A CN 201010018256A CN 102133663 B CN102133663 B CN 102133663B
- Authority
- CN
- China
- Prior art keywords
- gear hobbing
- hobbing
- interference region
- spline
- gear
- 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.)
- Active
Links
Images
Landscapes
- Gear Processing (AREA)
Abstract
The invention provides a gear hobbing method for protecting a hobbing cutter during the hobbing of a spline shaft. The method comprises the following steps of: calculating the axial interference length and the radial interference width of the hobbing cutter; before hobbing, turning a gear hobbing interference region according to the axial length and the radial width by using a lathe; performing gear hobbing on a spline gear hobbing region by using a spline hobbing cutter; after gear hobbing of the spline shaft is completed, sleeving a hot charging sleeve at the periphery of the turned gear hobbing interference region; and performing finish machining on the outer edge of the hot charging sleeve by using the lathe. By adopting the gear hobbing method, an interference position in the gear hobbing interference region is removed by turning in advance, the hobbing cutter can smoothly feed on the spline gear hobbing region without being interfered, the gear hobbing efficiency is increased, the service life of the hobbing cutter is prolonged, the workload of a machine tool is reduced, and the quality of a processed gear is effectively ensured.
Description
Technical field
The present invention relates to the spline machining technical field, the rolling cut processing method of protection hobboing cutter when relating in particular to a kind of hobbing of spline shaft.
Background technology
In the spline rolling cut processing of existing notch cuttype splined shaft blank, in order to reach the effective length of spline, when hobboing cutter during near the edge of gear hobbing, spling hob will destroy near stairstepping splined shaft blank large-diameter portion position, place as positions such as bearing guard, oil sealing installations, this position is the interference region of gear hobbing, and existing processing method is: the splined shaft blank is carried out rough turn → modifier treatment; Finish turning → peripheral milling determine need to be on the splined shaft blank of wanting gear hobbing the gear hobbing length L; Defined splined shaft blank length L is carried out gear hobbing → car fall the interference region that is destroyed by hobboing cutter, then a hot charging cover is installed on interference region; Fig. 1 is described, and wherein, the splined shaft blank is 100, and its shape is notch cuttype, and splined shaft large footpath is of a size of D
1, at the bottom of splined shaft, the footpath is of a size of D
2, the splined shaft effective length is L, the cutter diameter of rolling cut spline is of a size of D
5, the notch cuttype blank is of a size of D near the maximum outside diameter of interference region (being used for installing the position of bearing guard, oil sealing)
4, the length dimension that is destroyed by hobboing cutter when gear hobbing is A, because hobboing cutter rolling cut depth ratio when the gear hobbing is larger, makes the whole tooth of hobboing cutter all in cutting, is easy to damage hobboing cutter.
So the prior art Shortcomings need to be improved.
Summary of the invention
The objective of the invention is; the hobbing method for processing of protection hobboing cutter when the defective that exists for above-mentioned prior art provides a kind of hobbing of spline shaft; by calculating at the gear hobbing front truck to fall and can produce the interference region that disturbs to hobboing cutter, improve the work efficiency of gear hobbing, extended hobboing cutter service life.
Technical scheme of the present invention is as follows: the hobbing method for processing of protection hobboing cutter during a kind of hobbing of spline shaft; the splined shaft blank is carried out rolling cut processing; described splined shaft blank is multidiameter shape; it is characterized in that: described multidiameter comprises spline gear hobbing zone and gear hobbing interference region; before gear hobbing is carried out in described spline gear hobbing zone; need described gear hobbing interference region is processed, specific process comprises the steps:
A, calculate axial length and the radial width of described gear hobbing interference region according to the size of preprocessing stairstepping splined shaft blank and spling hob diameter;
B, described gear hobbing interference region is fallen its car by lathe;
C, spling hob carry out gear hobbing on described spline gear hobbing zone;
D, after described spline gear hobbing zone gear hobbing is completed, one hot charging cover is linked in the described gear hobbing interference region that is fallen by car peripheral, by lathe, the outer rim of described hot charging cover is processed, make described hot charging cover outer rim and length and the described gear hobbing interference region that fallen by car suitable.
Described method, wherein, the axial length of described gear hobbing interference region is size B, is calculated as follows:
The B=A+2.5 error range is 0.5mm (1)
Wherein: A=0.5*[D
5 2-(D
5-D
4+ D
2)
2]
0.5(2)
D
2Be footpath at the bottom of spline, D
5Be spling hob diameter, D
4Be the external diameter of stairstepping splined shaft blank gear hobbing interference region, unit is mm
Described gear hobbing interference region radial width is size C, is calculated as follows:
C＝[D
4-(D
1+0.2)]/2 (3)
Wherein: D
1Be splined shaft large footpath size, unit is mm
Described method, wherein, described hot charging cover uses 45 steel cylinder truck systems after modifier treatment to form.
Described method, wherein, the diameter of bore D of described hot charging cover
6Axle D outer diameter after being fallen by car with described gear hobbing interference region
3Identical, the long 2mm of the described gear hobbing interference region of cylindrical Length Ratio axial length B of described hot charging cover, described hot charging cover external diameter is the D outer diameter of gear hobbing interference region
4Add 3mm.
Beneficial effect of the present invention is: owing to having adopted technique scheme, car falls hobboing cutter interference region part in advance, make hobboing cutter can not touch the position of the splined shaft blank that can produce interference sections when gear hobbing when gear hobbing, the work efficiency of gear hobbing and the service life of hobboing cutter have been improved, and alleviated the live load of lathe, the quality of processing tooth also is effectively guaranteed.
Description of drawings
Fig. 1 is prior art notch cuttype splined shaft blank gear hobbing schematic diagram;
Fig. 2 is that notch cuttype splined shaft blank car of the present invention falls the interference region schematic diagram;
Fig. 3 installs hot charging cover schematic diagram additional after notch cuttype splined shaft blank of the present invention gear hobbing.
The specific embodiment
The hobbing method for processing of protection hobboing cutter when the invention provides a kind of hobbing of spline shaft, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment
can disturb in disturbed zone in order to solve prior art hobboing cutter when the hobbing of spline shaft, make cutter life reduce existing problem, innovation of the present invention is: fall and can produce the position of disturbing to hobboing cutter by calculating car, make hobboing cutter can not touch the position of the splined shaft blank that can produce interference sections when gear hobbing when gear hobbing, this position is for bearing guard is installed, the position of the parts such as oil sealing installation, then carry out gear hobbing according to gear hobbing length (spline gear hobbing zone), complete the periphery that a hot charging cover identical with the physical dimension that is fallen by car is linked in after gear hobbing the zone, interference part, by lathe, described hot charging cover is carried out fine finishining, make described hot charging cover cylindrical and length identical with the interference region position of being fallen by car, by above-mentioned processing method, the interference of having protected hobboing cutter to run in traveling process, make and obtained effective raising in service life of hobboing cutter.
By reference to the accompanying drawings 2 and 3, splined shaft blank of the present invention is graded axial type parts, sub-headend zone and back-end region, the present invention carries out the spline gear hobbing to the front end area (L) of notch cuttype splined shaft blank 100, the back-end region of notch cuttype splined shaft blank 100 be diameter greater than the axle of front end area, its diameter is D
4, the part that back-end region is connected with front end area (being used for installing the position of the parts such as bearing guard, oil sealing) consists of the interference region of a hobboing cutter.
Notch cuttype splined shaft blank 100 has comprised spline gear hobbing zone 101 (front end area, be that the splined shaft effective length is L) and gear hobbing interference region 102 (this zone is for the position that the parts such as bearing guard, oil sealing are installed), hobboing cutter 200 acts on spline gear hobbing zone 101, wherein, the splined shaft large footpath of wish processing is of a size of D
1, at the bottom of splined shaft, the footpath is of a size of D
2, the splined shaft effective length is L, the cutter diameter of rolling cut spline is of a size of D
5, the axle shelves external diameter position that bearing or oil sealing are installed is of a size of D
4Guarantee that hobboing cutter can not disturbed by gear hobbing interference region 102 when gear hobbing, splined shaft size according to hobboing cutter and wish processing, calculate the size that affects interference region position in the hobboing cutter traveling process, interference region position 102 axial length B and radial width C are the parts that needs car to fall, the length dimension that is destroyed by hobboing cutter when gear hobbing is A, the A value is in beating the triangle of shadow part (shown in Fig. 1), tries to achieve A=0.5*[D with hook thigh string theorem
5 2-(D
5-D
4+ D
2)
2]
0.5.
Too deeply damage hobboing cutter for fear of hobboing cutter cutting, before gear hobbing, interference region position car fallen (as shown in Figure 2), with back-end region (as the position of bearing guard or oil sealing installation place) excircle dimension by diameter D
4Car is to diameter D
3The position, length dimension is B, the diameter D after car is fallen
3Greater than splined shaft large footpath dimension D
1Size 0.2mm, diameter D
3Tolerance get u6, axial length B is greater than the length A size 2～3mm that is destroyed by hobboing cutter, after doing to process like this, just avoided interference during gear hobbing, improved the work efficiency of gear hobbing.
According to top description, the axial length B of gear hobbing interference region and radial width C be calculated as follows (unit: mm):
The B=A+2.5 error range is 0.5mm (1)
Wherein: the length A=0.5*[D that is destroyed by hobboing cutter
5 2-(D
5-D
4+ D
2)
2]
0.5(2)
Radial width C (namely gauge) is: C=[D
4-(D
1+ 0.2)]/2 (3)
Before hob cutting, according to above-mentioned calculating, the gear hobbing interference region is fallen its car by lathe by axial length and radial width, then hobboing cutter is just can be on the L of spline gear hobbing zone very smooth and easy carries out feed and can not be subjected to any interference.
When gear hobbing, according to shown in Figure 3, prepare a hot charging cover simultaneously, it is to form with 45 steel cylinder truck systems after modifier treatment, hot charging cover endoporus size diameter D
6, namely bore design is the shaft diameter D after falling with car
3Identical, tolerance is H7; Hot charging cover excircle dimension is (D
4+ 3mm), length dimension is (B+2mm), after waiting splined shaft to roll, splined shaft is holded up, with spline one head-up; Preparation clamp and hand hammer are applied mechanically the flame heating to hot charging, see that the hot charging cover is rubescent, clamp with clamp to be set on spline after hot charging overlaps, and unclamp clamp, with hand hammer tip-tap hot charging cover, its whereabouts are put in place; Deng hot charging cover nature cooling after, splined shaft is placed into carries out fine finishining on lathe, cylindrical and the length of hot charging cover are put in place, namely be processed into car and fall suitable the getting final product of shape before interference region position 102.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. the hobbing method for processing of hobbing of spline shaft time protection hobboing cutter; the splined shaft blank is carried out rolling cut processing; described splined shaft blank is multidiameter shape; it is characterized in that: described multidiameter comprises spline gear hobbing zone and gear hobbing interference region; before gear hobbing is carried out in described spline gear hobbing zone; need described gear hobbing interference region is processed, specific process comprises the steps:
A, calculate axial length B and the radial width C of described gear hobbing interference region according to the size of preprocessing stairstepping splined shaft blank and spling hob diameter, described axial length B is calculated as follows:
B＝A+2.5 (1)
In formula (1), the length dimension of described A for being destroyed by described hobboing cutter when gear hobbing, the error range of described B is 0.5mm
Wherein: A=0.5*[D
5 2-(D
5-D
4+ D
2)
2]
0.5(2)
D
2Be footpath at the bottom of spline, D
5Be spling hob diameter, D
4Be the external diameter of stairstepping splined shaft blank gear hobbing interference region, unit is mm
Described radial width C is calculated as follows:
C＝[D
4-(D
1+0.2)]/2 (3)
Wherein: D
1Be described splined shaft large footpath size, unit is mm;
B, described gear hobbing interference region is fallen its car by lathe;
C, spling hob carry out gear hobbing on described spline gear hobbing zone;
D, after described spline gear hobbing zone gear hobbing is completed, one hot charging cover is linked in the described gear hobbing interference region that is fallen by car peripheral, by lathe, the outer rim of described hot charging cover is processed, make described hot charging cover outer rim and length and the described gear hobbing interference region that fallen by car suitable.
2. method according to claim 1 is characterized in that: described hot charging cover uses 45 steel cylinder truck systems after modifier treatment to form.
3. method according to claim 2, is characterized in that: the diameter of bore D of described hot charging cover
6Axle D outer diameter after being fallen by car with described gear hobbing interference region
3Identical, the long 2mm of the described gear hobbing interference region of cylindrical Length Ratio axial length B of described hot charging cover, described hot charging cover external diameter is the D outer diameter of gear hobbing interference region
4Add 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010018256 CN102133663B (en) | 2010-01-21 | 2010-01-21 | Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010018256 CN102133663B (en) | 2010-01-21 | 2010-01-21 | Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133663A CN102133663A (en) | 2011-07-27 |
| CN102133663B true CN102133663B (en) | 2013-05-08 |
Family
ID=44293664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010018256 Active CN102133663B (en) | 2010-01-21 | 2010-01-21 | Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102133663B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846507B (en) * | 2012-12-04 | 2017-01-25 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hobbing processing method of gear |
| EP3287221B1 (en) * | 2016-08-23 | 2019-04-24 | Klingelnberg AG | Method for processing the tooth flanks of plane coupling workpieces in semi-completing single part method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1356352A1 (en) * | 1986-01-02 | 1989-11-23 | Предприятие П/Я В-8721 | Method of making splines |
| US5417528A (en) * | 1987-11-06 | 1995-05-23 | Mtd Products Inc. | Method for making a wobblestick |
| CN101121210A (en) * | 2007-09-20 | 2008-02-13 | 夏建敏 | Hob complete utilization integrated gear hobbing method |
-
2010
- 2010-01-21 CN CN 201010018256 patent/CN102133663B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1356352A1 (en) * | 1986-01-02 | 1989-11-23 | Предприятие П/Я В-8721 | Method of making splines |
| US5417528A (en) * | 1987-11-06 | 1995-05-23 | Mtd Products Inc. | Method for making a wobblestick |
| CN101121210A (en) * | 2007-09-20 | 2008-02-13 | 夏建敏 | Hob complete utilization integrated gear hobbing method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-113183A 2009.05.28 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102133663A (en) | 2011-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2475349C1 (en) | Mandrel for local electromechanical hardening | |
| CN103624304B (en) | The processing method of the space circular arc groove of Axial changes | |
| AU2010364560A1 (en) | Method for reprofiling wheelsets on underfloor wheel lathes | |
| CN102133663B (en) | Gear hobbing method for protecting hobbing cutter during hobbing of spline shaft | |
| CN102059504A (en) | Method for processing differential case with end face teeth | |
| CN102950318A (en) | Method for milling blank in production of turbine blade | |
| CN102806447B (en) | Method for manufacturing spherical hob | |
| CN103894801B (en) | A kind of processing method of thin steel ring | |
| CN103737120A (en) | Self burring device for gear hobbing machine | |
| CN205020939U (en) | Sprocket draws external tooth cutter | |
| CN105729077A (en) | Machining method for crankshaft | |
| CN103028683B (en) | Processing method for clamp spring slot of roller pin and cutter device thereof | |
| CN107824739B (en) | A kind of vertical knee-type milling machine Special curve bevel gear pendulum rolling tool setting device | |
| CN202804398U (en) | Linear cutting and machining slotting cutter or gear shaving cutter tool | |
| CN204800024U (en) | Compound milling cutter that takes shape of dustproof groove of automotive brake caliper casing seal groove | |
| CN104999238A (en) | Machining method suitable for small rack | |
| CN102886650A (en) | Gear shaft shoulder fillet machining process | |
| CN104439932B (en) | A kind of processing method of spline spindle multiple interval cannelure | |
| CN205437375U (en) | Numerical -controlled gear hobbing machine | |
| CN204262360U (en) | The manufacture of cement wearing and tearing spindle nose of roller machine roll shaft repairs frock | |
| CN103418617A (en) | Manufacturing process of taper sleeve used in wire mill | |
| CN203282012U (en) | Shape cutting machining device for large-specification chain wheel | |
| US20170157677A1 (en) | Wheel machining technology | |
| CN202779893U (en) | Tool for correcting back overlength cast pits of flanges | |
| CN202498253U (en) | Milling cutter head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI RL PRECISION MACHINERY CO., LTD. Free format text: FORMER NAME: WUXI RUIER FINE MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Ding Shu Zhen Chuan Bu Cun Yixing City, Jiangsu province 214221 Patentee after: Wuxi City riel precision optical machinery company limited Address before: Ding Shu Zhen Chuan Bu Cun Yixing City, Jiangsu province 214222 Patentee before: Wuxi Ruier Fine Machinery Co., Ltd. |