CN112548501A - Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece - Google Patents
Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece Download PDFInfo
- Publication number
- CN112548501A CN112548501A CN202011424686.9A CN202011424686A CN112548501A CN 112548501 A CN112548501 A CN 112548501A CN 202011424686 A CN202011424686 A CN 202011424686A CN 112548501 A CN112548501 A CN 112548501A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- turning
- forge piece
- bearing outer
- plate
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a copying plate of an angular contact ball bearing outer ring forge piece and a method for processing the outer ring forge piece, in particular to a copying plate of an angular contact ball bearing 7300BTN series outer ring forge piece and a method for processing the outer ring forge piece, and aims to solve the problems that raw materials are wasted during processing of the 7300BTN series outer ring original forge piece, the processing procedure difficulty is high, and the production efficiency is low, wherein an arc-shaped notch is arranged in the middle of the copying plate, the left side and the right side of the arc-shaped notch are planes, a plurality of through holes are formed in the copying plate, and the method for processing the outer ring forge piece by: roughly turning a base surface and an inner hole; step four: finely turning a non-base surface and an outer inner diameter, and roughly turning an outer ditch and an outer slope step; step five: finely turning a base surface and an outer diameter, and a sixth step: soft-grinding a non-basal plane; step seven: soft grinding the outer diameter; step eight: finely turning an outer ditch; step nine: finely turning the outer slope steps; step ten: chamfering; step eleven: performing heat transfer treatment; the invention relates to the field of bearing processing.
Description
Technical Field
The invention relates to a profile plate of an angular contact ball bearing outer ring forge piece and a processing method of the outer ring forge piece, in particular to a profile plate of an angular contact ball bearing 7300BTN series outer ring forge piece and a processing method of the outer ring forge piece.
Background
The angular contact ball bearing 7300BTN series produced in the prior art is large in batch and good in market sales, but the processing of the outer ring of the bearing always has a plurality of problems, such as raw material waste during processing, large difficulty of processing procedures and low production efficiency, aiming at the problems, the process procedures of the series of products need to be improved and designed through research, the groove rolling process of the deep groove ball bearing can be used for reference, the outer inner diameter of the finish turning angular contact ball bearing and the outer groove of the rough turning angular contact ball bearing are combined into a process, and a newly designed imitation plate is adopted to complete processing, so that raw materials can be saved, the difficulty of the processing procedures can be reduced, and the production efficiency can be improved.
Disclosure of Invention
The invention aims to provide a profile plate of an angular contact ball bearing 7300BTN series outer ring forged piece and a processing method of the angular contact ball bearing 7300BTN series outer ring forged piece, and further provides the profile plate of the angular contact ball bearing outer ring forged piece and the method of processing the outer ring forged piece in order to solve the problems that raw materials are wasted during processing of an angular contact ball bearing 7300BTN series outer ring original forged piece, the processing procedure is difficult, and the production efficiency is low.
The invention adopts the technical scheme to solve the problems as follows:
the profiling plate is a rectangular plate body, an arc-shaped notch is arranged in the middle of one side of the rectangular plate body, the left side of the arc-shaped notch is a plane, the right side of the arc-shaped notch is a plane, the plane is parallel to the plane, and a plurality of through holes are formed in the profiling plate.
The method for processing the outer ring forging by the outer ring forging profile plate of the angular contact ball bearing comprises the following steps:
the method comprises the following steps: fixing the profiling plate on a profiling frame of a profiling lathe;
aligning three through holes at the lower end of the copying plate with through holes of a copying frame of a copying lathe, and fixing the copying plate on the copying frame by using bolts;
step two: fixing the outer diameter of the bearing in a chuck of a lathe;
fixing the outer diameter of the bearing in a chuck, wherein the central axis of the bearing is superposed with the central axis of the chuck;
step three: roughly turning a base surface and an inner hole;
starting the lathe, and roughly turning a base surface and an inner hole of the bearing outer ring forge piece in sequence by adopting a first tool;
step four: finely turning a non-base surface and an outer inner diameter, and roughly turning an outer ditch and an outer slope step;
finish turning the non-base surface and the outer inner diameter of the bearing outer ring forge piece by adopting a second cutter in sequence, withdrawing the cutter, and roughly turning the outer groove and the outer slope step of the bearing outer ring forge piece by adopting a first cutter according to the track of the profile plate;
step five: finely turning a base surface and an outer diameter;
finish turning the base surface and the outer diameter of the bearing outer ring forge piece by adopting a second cutter;
step six: soft-grinding a non-basal plane;
soft grinding the non-base surface of the bearing outer ring forge piece;
step seven: soft grinding the outer diameter;
carrying out soft grinding on the outer diameter of the bearing outer ring forge piece;
step eight: finely turning an outer ditch;
finish turning an outer groove of the bearing outer ring forge piece by adopting a second cutter;
step nine: finely turning the outer slope steps;
finish turning the outer slope steps of the bearing outer ring forge piece by adopting a second cutter;
step ten: chamfering;
turning a chamfer by using a first tool;
step eleven: performing heat transfer treatment;
and carrying out heat treatment on the bearing outer ring forge piece.
Further: when the profile plate is machined, the machining diameter of a machine tool is 200mm, the cutting parameter of the profile plate is that the material thickness t is 3mm, the feeding amount f is 0.45mm, and the speed V is 120 m/min;
further: the calculation formula of the size of the profiling plate is as follows: the radius R of the circular arc opening of the profiling plate is the difference value between the radius R of the circular arc opening of the finished product and 1.5; the profiling depth h of the profiling plate is one half of the difference value between the diameter D of the lathe roller path and the outer inner diameter D of the lathe; the profile plate step depth h1 is one half of the difference between the lathe race diameter D1 and the lathe step diameter D1.
The invention has the beneficial effects that:
1. the method combines the outer inner diameter of the finish turning angular contact ball bearing and the outer groove of the rough turning angular contact ball bearing into one process, thereby saving raw materials, reducing the difficulty of the processing process and improving the production efficiency.
2. The profile plates of the method are designed and manufactured according to products of different specifications and sizes, play an important role in combining processes of turning, ensure product precision and improve production efficiency.
Drawings
FIG. 1 is a diagram of a bearing cup forging;
FIG. 2 is a drawing of a bearing outer race forging after modification;
FIG. 3 is a front view of a profile plate of a bearing cup forging;
Detailed Description
The first embodiment is as follows: the embodiment will be described with reference to fig. 3, which is a rectangular plate, the middle of one side of the rectangular plate is provided with an arc-shaped notch 1, the left side of the arc-shaped notch 1 is a plane 2, the right side of the arc-shaped notch is a plane 3, the plane 2 is parallel to the plane 3, and the cam is provided with a plurality of through holes.
The second embodiment is as follows: referring to fig. 3, the angular contact ball bearing outer ring forging profile plate of the present embodiment is described, wherein the width H of one end of the profile plate is greater than the width B of the other end of the profile plate, and the difference between the width H of the profile plate and the width B of the other end of the profile plate is smaller than the depth H of the circular arc notch 1.
The third concrete implementation mode: the embodiment is described with reference to fig. 3, and the angular contact ball bearing outer ring forging profile plate has three through holes, and the three through holes are arranged at equal intervals, and the rest is the same as the first embodiment.
The fourth concrete implementation mode: the method for processing the outer ring forging by the angular contact ball bearing outer ring forging profile plate of the embodiment is described with reference to fig. 1 to 3, and comprises the following steps:
the method comprises the following steps: fixing the profiling plate on a profiling frame of a profiling lathe;
aligning three through holes at the lower end of the copying plate with through holes of a copying frame of a copying lathe, and fixing the copying plate on the copying frame by using bolts;
step two: fixing the outer diameter of the bearing in a chuck of a lathe;
fixing the outer diameter of the bearing in a chuck, wherein the central axis of the bearing is superposed with the central axis of the chuck;
step three: roughly turning a base surface and an inner hole;
starting the lathe, roughly turning a base surface and an inner hole of the bearing outer ring forge piece in sequence by adopting a first tool, and roughly turning processing parameters: the rotating speed n is 200r/min-350r/min, and the feeding amount f is 0.4mm-0.5 mm;
step four: finely turning a non-base surface and an outer inner diameter, and roughly turning an outer ditch and an outer slope step;
and (3) finely turning the non-base surface and the outer inner diameter of the bearing outer ring forge piece in sequence by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n1 is 200r/min-300r/min, the feed amount f1 is 0.2mm-0.3mm, the cutter is withdrawn, the outer groove and the outer slope step of the bearing outer ring forge piece are roughly lathed by adopting a first cutter according to the track of the profile plate, and the rough lathing parameters are as follows: the rotating speed n2 is 200r/min-350r/min, and the feed amount f2 is 0.4mm-0.5 mm;
step five: finely turning a base surface and an outer diameter;
finish turning the base surface and the outer diameter of the bearing outer ring forge piece by adopting a second cutter, wherein the finish turning parameters are as follows: the rotating speed n3 is 200r/min-300r/min, and the feed amount f3 is 0.2mm-0.3 mm;
step six: soft-grinding a non-basal plane;
carrying out soft grinding on the non-base surface of the bearing outer ring forging, and carrying out grinding machine processing parameters: the rotating speed n4 is 960r/min-1000r/min, and the feed amount f4 is 0.02mm-0.05 mm;
step seven: soft grinding the outer diameter;
the outer diameter of the bearing outer ring forge piece is subjected to soft grinding, and the machining parameters of the grinding machine are as follows: the rotating speed n5 is 960r/min-1000r/min, and the feed amount f5 is 0.15mm-0.2 mm;
step eight: finely turning an outer ditch;
and (3) finely turning an outer groove of the bearing outer ring forge piece by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n6 is 300r/min-350r/min, and the feed amount f6 is 0.1mm-0.2 mm;
step nine: finely turning the outer slope steps;
and (3) finely turning the outer slope step of the bearing outer ring forge piece by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n7 is 300r/min-350r/min, and the feed amount f7 is 0.1mm-0.2 mm;
step ten: chamfering;
and (3) turning a chamfer by using a first tool, wherein the processing parameters are as follows: the rotating speed n8 is 300r/min-350r/min, and the feed amount f8 is 0.2mm-0.4 mm;
step eleven: performing heat transfer treatment;
and carrying out heat treatment on the bearing outer ring forge piece, wherein the hardness of the bearing outer ring forge piece after the heat treatment is 60 HRC-62 HRC.
The fifth concrete implementation mode: the method for processing the outer ring forging by the angular contact ball bearing outer ring forging profile plate according to the present embodiment will be described with reference to fig. 1 and 2, wherein the first tool and the second tool are both carbide tools, and the rest is the same as the fourth embodiment.
Claims (5)
1. Angular contact ball bearing outer lane forging profile plate, its characterized in that: the profiling plate is a rectangular plate body, a circular arc-shaped notch (1) is arranged in the middle of one side of the rectangular plate body, a plane (2) is arranged on the left side of the circular arc-shaped notch (1), a plane (3) is arranged on the right side of the circular arc-shaped notch, the plane (2) is parallel to the plane (3), and a plurality of through holes are formed in the profiling plate.
2. The angular contact ball bearing outer race forging profile plate of claim 1, wherein: the width (H) of one end of the profile plate is greater than the width (B) of the other end of the profile plate, and the difference value between the width (H) of the profile plate and the width (B) of the other end of the profile plate is smaller than the depth (H) of the circular arc notch (1).
3. The angular contact ball bearing outer race forging profile plate of claim 1, wherein: the through-hole of profile plate is three, and three through-hole equidistant setting.
4. A method for processing an outer ring forging by using the angular contact ball bearing outer ring forging profile plate of claim 1, 2 or 3, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: fixing the profiling plate on a profiling frame of a profiling lathe;
aligning three through holes at the lower end of the copying plate with through holes of a copying frame of a copying lathe, and fixing the copying plate on the copying frame by using bolts;
step two: fixing the outer diameter of the bearing in a chuck of a lathe;
fixing the outer diameter of the bearing in a chuck, wherein the central axis of the bearing is superposed with the central axis of the chuck;
step three: roughly turning a base surface and an inner hole;
starting the lathe, roughly turning a base surface and an inner hole of the bearing outer ring forge piece in sequence by adopting a first tool, and roughly turning processing parameters: the rotating speed n is 200r/min-350r/min, and the feeding amount f is 0.4mm-0.5 mm;
step four: finely turning a non-base surface and an outer inner diameter, and roughly turning an outer ditch and an outer slope step;
and (3) finely turning the non-base surface and the outer inner diameter of the bearing outer ring forge piece in sequence by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n1 is 200r/min-300r/min, the feed amount f1 is 0.2mm-0.3mm, the cutter is withdrawn, the outer groove and the outer slope step of the bearing outer ring forge piece are roughly lathed by adopting a first cutter according to the track of the profile plate, and the rough lathing parameters are as follows: the rotating speed n2 is 200r/min-350r/min, and the feed amount f2 is 0.4mm-0.5 mm;
step five: finely turning a base surface and an outer diameter;
finish turning the base surface and the outer diameter of the bearing outer ring forge piece by adopting a second cutter, wherein the finish turning parameters are as follows: the rotating speed n3 is 200r/min-300r/min, and the feed amount f3 is 0.2mm-0.3 mm;
step six: soft-grinding a non-basal plane;
carrying out soft grinding on the non-base surface of the bearing outer ring forging, and carrying out grinding machine processing parameters: the rotating speed n4 is 960r/min-1000r/min, and the feed amount f4 is 0.02mm-0.05 mm;
step seven: soft grinding the outer diameter;
the outer diameter of the bearing outer ring forge piece is subjected to soft grinding, and the machining parameters of the grinding machine are as follows: the rotating speed n5 is 960r/min-1000r/min, and the feed amount f5 is 0.15mm-0.2 mm;
step eight: finely turning an outer ditch;
and (3) finely turning an outer groove of the bearing outer ring forge piece by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n6 is 300r/min-350r/min, and the feed amount f6 is 0.1mm-0.2 mm;
step nine: finely turning the outer slope steps;
and (3) finely turning the outer slope step of the bearing outer ring forge piece by adopting a second cutter, wherein the finely turning parameters are as follows: the rotating speed n7 is 300r/min-350r/min, and the feed amount f7 is 0.1mm-0.2 mm;
step ten: chamfering;
and (3) turning a chamfer by using a first tool, wherein the processing parameters are as follows: the rotating speed n8 is 300r/min-350r/min, and the feed amount f8 is 0.2mm-0.4 mm;
step eleven: performing heat transfer treatment;
and carrying out heat treatment on the bearing outer ring forge piece, wherein the hardness of the bearing outer ring forge piece after the heat treatment is 60 HRC-62 HRC.
5. The method for processing the outer ring forging by the angular contact ball bearing outer ring forging profile plate as claimed in claim 4, wherein: the first cutter and the second cutter are both hard alloy turning tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424686.9A CN112548501A (en) | 2020-12-08 | 2020-12-08 | Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424686.9A CN112548501A (en) | 2020-12-08 | 2020-12-08 | Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112548501A true CN112548501A (en) | 2021-03-26 |
Family
ID=75059774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011424686.9A Withdrawn CN112548501A (en) | 2020-12-08 | 2020-12-08 | Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112548501A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040120778A1 (en) * | 2001-03-21 | 2004-06-24 | Horst Lach | Profile turning tool |
| CN201275705Y (en) * | 2008-10-29 | 2009-07-22 | 谭进军 | Improved lathing intimating board of conical roller bearing inner ring raceway |
| CN105234637A (en) * | 2015-11-10 | 2016-01-13 | 上海斐赛轴承科技有限公司 | Thin-wall bearing manufacturing method and method for machining thin-wall inner ring/outer ring of thin-wall bearing as well as precision flexible bearing |
| CN106695256A (en) * | 2016-12-22 | 2017-05-24 | 江苏翔能科技发展有限公司 | Ring rolling technology for profiling and shaping large-tapered wind-electricity bearing inner ring |
| CN110842477A (en) * | 2019-11-19 | 2020-02-28 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Machining process for rear gear spare and accessory parts of heavy-duty bearing of railway wagon |
-
2020
- 2020-12-08 CN CN202011424686.9A patent/CN112548501A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040120778A1 (en) * | 2001-03-21 | 2004-06-24 | Horst Lach | Profile turning tool |
| CN201275705Y (en) * | 2008-10-29 | 2009-07-22 | 谭进军 | Improved lathing intimating board of conical roller bearing inner ring raceway |
| CN105234637A (en) * | 2015-11-10 | 2016-01-13 | 上海斐赛轴承科技有限公司 | Thin-wall bearing manufacturing method and method for machining thin-wall inner ring/outer ring of thin-wall bearing as well as precision flexible bearing |
| CN106695256A (en) * | 2016-12-22 | 2017-05-24 | 江苏翔能科技发展有限公司 | Ring rolling technology for profiling and shaping large-tapered wind-electricity bearing inner ring |
| CN110842477A (en) * | 2019-11-19 | 2020-02-28 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Machining process for rear gear spare and accessory parts of heavy-duty bearing of railway wagon |
Non-Patent Citations (3)
| Title |
|---|
| 《车工技术问答》编写组: "《车工技术问答》", 30 September 1981, 北京出版社 * |
| 李华志: "《数控加工技术》", 30 April 2013, 电子科技大学出版社 * |
| 袁新等: "7300BTN系列轴承外圈锻件的改进及仿形板的设计", 《哈尔滨轴承》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109483262B (en) | Die and method for machining inner ring of engine spindle bearing with inner-diameter oil groove | |
| CN102039519B (en) | Manufacturing process of high-precision extrusion die for DeNOx catalyst | |
| CN102501008A (en) | Method for processing sealing ring | |
| CN104400008A (en) | Numerical-control processing method of sealed ring-shaped deep cavity | |
| CN104295608A (en) | Joint bearing inner ring processing method | |
| CN108637617A (en) | A kind of method of processing inclined drill jig | |
| CN109352270B (en) | Male head processing technology | |
| CN105563058A (en) | Gear box hollow shaft machining method | |
| CN103495845B (en) | Back gear processing technology | |
| CN112475825A (en) | Machining method for stepped ring groove of sliding bearing of supercharger | |
| CN105583581A (en) | Machining method and device for bearing standard block | |
| CN102494042B (en) | Method for manufacturing constant velocity universal joint maintaining rack | |
| CN111299967B (en) | Processing method of metal spiral rib | |
| CN112548501A (en) | Angular contact ball bearing outer ring forge piece profiling plate and method for machining outer ring forge piece | |
| CN104816139A (en) | Chain wheel tooth-shaped profile plunge milling method | |
| CN106392485A (en) | Processing method of circular pocket cage | |
| CN101837477A (en) | Boring cutter and boring method by adopting same | |
| CN106694742A (en) | Novel key machine | |
| CN102513894A (en) | Method for grinding double end surfaces of self-aligning roller | |
| CN104439896A (en) | Machining method for special-shaped pipe fitting with boss on eccentric outer circle and flange structures at two ends | |
| CN206426247U (en) | A kind of high life Alloy-steel mold | |
| CN110026571B (en) | Turning forming device and process for special-shaped piece | |
| CN113059319A (en) | Machining method of high-precision and difficult-to-position three-way pipe | |
| CN106180829A (en) | A kind of CNC technological method for processing | |
| CN110293378A (en) | A kind of ultraprecise bushing processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210326 |