CN108220581A - It is a kind of without soft band four-point contact ball pivoting support bearing - Google Patents
It is a kind of without soft band four-point contact ball pivoting support bearing Download PDFInfo
- Publication number
- CN108220581A CN108220581A CN201810110652.9A CN201810110652A CN108220581A CN 108220581 A CN108220581 A CN 108220581A CN 201810110652 A CN201810110652 A CN 201810110652A CN 108220581 A CN108220581 A CN 108220581A
- Authority
- CN
- China
- Prior art keywords
- soft
- soft band
- sensing
- pivoting support
- quenching
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
- F16C19/166—Four-point-contact ball bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of without soft band four-point contact ball pivoting support bearing,Including without soft band outer ring,It is no soft with ring gear and to be placed in without soft with outer ring and without the soft rolling element between ring gear,The no soft circumference inner radius with outer ring is provided with without soft band annular groove one,It is provided at the no soft circumference outer diameter with ring gear without soft band annular groove two,It is circular cavity that no soft band annular groove one, which combines with without soft band annular groove two and forms a section,,Rolling element is placed in cavity,The present invention is carried out at the same time the heating and cooling of raceway face,It will not generate without soft region,Therefore it will not be cracked because of raceway face caused by reheating,Also the soft region without being formed by quenching,The step of also simplifying pivoting support heat treatment simultaneously,Improve working efficiency,Be conducive to the extension of four-point contact ball pivoting support bearing service life.
Description
Technical field
The invention belongs to pivoting support technical fields, and in particular to a kind of without soft band four-point contact ball pivoting support bearing.
Background technology
Four-point contact ball is a kind of divergence type bearing, it may also be said to be that a set of bearing can bear bi-directional axial load
Angular contact ball bearing.Its inside and outside circle raceway is the section of peach type, when no-load or the effect of purely radial load, steel ball and set
Circle is rendered as four point contacts, this is also the origin of this title, can bear larger axial direction, radial load and power of toppling simultaneously
Square.It is applied to various engineering machinery and rotary table, is the important component of engineering machinery swing mechanism, to its raceway
Quenching quality has very high requirement, its surface is generally required to have higher hardness and wearability, and the material inside raceway is still
Keep original toughness tissue.For the method for the pivoting support generally use mid-frequency induction hardening of major diameter, due to intermediate frequency sense
Should quench it is fast with heating speed, it is efficient, it is pollution-free and be widely used in the surface induction hardening of pivoting support.Tradition
Although raceway face mid-frequency induction hardening mechanism type it is various, advantage is also different, can not solve impewdance matching always
The problem of soft band.
Quench soft band be quenching apparatus inductor start between the initial position of quenching and end position existing one it is blind
Area, the soft region that raceway face caused by reheating is cracked without being formed by quenching in order to prevent.Due to
Existing technique can not avoid quenching the generation of soft band, and the direction of load is must take into consideration when pivoting support is installed, it is therefore desirable to
Soft band position is placed on non-staple bearing area as possible, prevents soft band and the transition in load bearing process is moved of roller contact region
It wears and the entirety of pivoting support is caused to be scrapped, but such mode of operation limits the use scope of pivoting support, also drops
The low service life of pivoting support increases the later maintenance cost of equipment, becomes and restricts China's pivoting support enterprise development
Key factor.
In the prior art in order to avoid occurring quenching soft band, after Workpiece clamping is fixed, mid-frequency induction hardening is utilized
Device carries out pivoting support outer surface heating quenching along specific guide rail, and this working method needs to spend a large amount of prepare
Working time, working efficiency are low, it is impossible to solve soft band present in four-point contact ball pivoting support bearing heat treatment process
Problem, the service life for causing pivoting support bearing is of short duration, increases enterprise's maintenance cost.
Invention content
In order to solve the above-mentioned technical problem the present invention, provides a kind of without soft band four-point contact ball pivoting support bearing, utilization
The present invention quenches the raceway face of the Internal and external cycle of four-point contact ball, solves traditional large diameter pivoting support bearing
Soft band problem present in heat treatment improves the efficiency and quality of pivoting support heat treatment, is conducive to pivoting support bearing use
Life-time dilatation.
The technical solution adopted in the present invention is：It is a kind of without soft band four-point contact ball pivoting support bearing, including without soft band
Outer ring with ring gear and is placed in without soft with outer ring and without the soft rolling element between ring gear without soft, without the soft circle with outer ring
All inner radius are provided with without soft band annular groove one, are provided at the no soft circumference outer diameter with ring gear without soft band annular groove
Two, it is circular cavity that no soft band annular groove one, which combines with without soft band annular groove two and forms a section, is placed in cavity
Rolling element, without soft with outer ring and the sealing ring for being provided with without the soft junction with ring gear to play dustproof effect, without soft
Radial direction with outer ring offers the oilhole of a connection cavity.
It is described to be offered around bearing centre without the soft thickness direction with outer ring and without the soft thickness direction with ring gear
Equally distributed mounting hole.
The rolling element is steel ball.
Described without soft band outer ring and without soft band ring gear is 40GrMo materials, which belongs to unimach, have
High intensity and toughness, quenching degree is preferable, and without apparent temper brittleness, pivoting support can be improved after by surface hardening
Performance makes bearing operation reliable and stable, extends its service life, reduces repair and maintenance cost.
Present invention offer is a kind of without the soft process for quenching with four-point contact ball pivoting support bearing, includes the following steps：
Step 1: the positioning of workpiece：The outer ring of pivoting support, ring gear are horizontally arranged on the workbench of lathe respectively,
And it is fixed；
Step 2: determine the center location of workpiece：Distance measuring sensor is installed, using distance measuring sensor to workpiece on machine tool chief axis
External peripheral surface or inner circumferential surface different location carry out range measurement, determine the central coordinate of circle of workpiece, coordinate value remembered
Record and be stored in machine tool control system, according to the coordinate value determine the start position of sensing heater, final position and
The moving radius of sensing heater；
Step 3: the heating and cooling of workpiece：In initial position, two sensing heaters on machine tool movement device are same
When be located at leading zero's, and the distance between two sensing heaters are 2mm, sensing heater is close to raceway face, during quenching,
Two sensing heaters are powered simultaneously, and two sensing heaters are moved from dead-center position with identical speed in the opposite direction respectively
It moves to terminal, in moving process, two sensing heaters move the midpoint of circular arc and the center of circle of workpiece keeps concentric, reach eventually
During point, two sensing heaters stop mobile and two sensing heaters at a distance of 2mm；Raceway face is carried out in sensing heater
During heating, two cooling devices on lathe are with right simultaneously with two same movement locus of sensing heater
Heated raceway face is cooled down, and the time interval of the heating and cooling of every bit is equal in raceway face；Two groups
After sensing heater heats final position and withdraws raceway face, sensing heater power-off stops heating, two coolings
After device cools down raceway face in final position, raceway face is withdrawn, completes the entire quenching process of pivoting support, i.e.,
It obtains without soft band outer ring, without soft band ring gear.
Distance measuring sensor in the step 2 is ultrasonic distance-measuring sensor, laser range sensor or infrared distance measurement pass
Sensor.
The control system is PLC programing systems.
Raceway face in the step 3 is two surface of one surface of annular groove or annular groove.
Sensing heater in the step 3 is intermediate frequency inductor, and heated current frequency is 2500-8000Hz, and sensing adds
The distance of hot device and workpiece raceway face is 2-3mm.
In the step 3, the cooling medium of cooling device is water, aqueous solution or mineral oil.
Wherein in step 1, it is to protect the central axis of workpiece and workbench that workpiece is carried out horizontal positioned purpose
It holds vertically, so as to which sensing heater be made to be moved in the same horizontal line always in the process of work, reduces staff
The time it takes in programming process both ensure that working efficiency or reduce the work difficulty of staff, and can make
Workpiece is heated and cooling is uniform, so as to reach the excellent properties in final products in subsequent heating and cooling technique.
Wherein in step 2, the purpose for setting distance measuring sensor is the center of circle in order to quickly find out workpiece, determines the center of circle
Actual coordinate value, with reference to workpiece raceway radius to be quenched so as to obtain the position of sensing heater, it is fast in control system
The program for being incorporated into two sensing heater movement locus of speed, reaches in quenching process, sensing heater and surface to be quenched
Between the thick-and-thin purpose of spacing, be conducive to improve the efficiency of quenching and the quality of quenching, also for making workpiece rear
Continuous heating and cooling technique, are heated and cooling is uniform, so as to reach the excellent properties in final products.
Wherein step 3 be by two sensing heaters leading zero's position simultaneously impewdance matching, in terminal encountered location
Impewdance matching simultaneously, instead of the single sensing heater of tradition from the off, after the circle of working surface one, terminal and starting point it
Between existence time difference and existing soft band problem, since present invention heating and cooling are carried out at the same time, will not generate without soft region,
Therefore it will not be cracked because of raceway face caused by reheating, also the soft region without being formed by quenching.
Wherein in step 3, during quenching, two sensing heaters are powered simultaneously, and two sensing heaters are from dead-center position point
It is not moved to terminal with identical speed in the opposite direction, in moving process, the midpoint of two sensing heaters movement circular arcs
Keep concentric with the center of circle of workpiece；The purpose set in this way is：It can make sensing heater in moving process apart from raceway table
The distance between face remains equal, after sensing heater is powered, can to the quenching of raceway face, in quenching process,
Since the movement speed of sensing heater is identical, the distance apart from raceway face is equal, can ensure two sensing heaters
Move angle and apart from equal, makes the time that raceway face every bit is heated equal, is heated evenly raceway hardened face, from
And ensure that the hardness after quenching on every bit position is identical, improve the quality of quenching.
Wherein in step 3, during sensing heater heats the raceway of pivoting support, mounted on lathe
On two cooling devices to be carried out simultaneously to heated raceway face with two same movement locus of sensing heater
It cools down, the heating of every bit and the time interval cooled down are equal on raceway；The purpose set in this way is：Can with it is identical when
Between be spaced heated raceway face cooled down, improve the effect of cooling, raceway made to be heated synchronous with cooling and uniformly,
So as to be conducive to entirely quench the raising of quality.
Wherein in step 3, two sensing heaters on machine tool movement device are located at leading zero's simultaneously, and
The distance between two sensing heaters are 2mm；When reaching home, two sensing heaters stop mobile and two sensings and add
Hot device is at a distance of 2mm；The purpose set in this way be in order to prevent two sensing heater hypotelorisms and cause equipment recurring structure
On collision, reduce the difficulty of operation, still further aspect is after being more than 2mm due to distance, due between two sensing heaters
Distance far apart, can increase the blind area of heating, when especially encountering large size bearing, heat can not pass to the blind of heating
Area, then if the temperature of bearing herein is inadequate, the requirement of quenching is just not achieved, the quality of quenching is difficult to ensure that, so as to influence
The quality of final products.
Beneficial effects of the present invention：
Operating procedure of the present invention simply, conveniently, can position the center of pivoting support before quenching, ensure sensing heating
Device and the accuracy of cooling device movement move to realize that pivoting support is rolled by two sensing heaters round about simultaneously
Road without soft band heat treatment process, the present invention is carried out at the same time the heating and cooling of raceway face, will not generate without soft region,
Therefore it will not be cracked because of raceway face caused by reheating, the soft region also formed without passing through quenching, together
When also simplify pivoting support heat treatment the step of, improve working efficiency, be conducive to four-point contact ball pivoting support bearing use
Life-time dilatation.
Description of the drawings
Fig. 1 is the structure diagram of pivoting support of the present invention；
Fig. 2 is pivoting support of the present invention without the soft structure diagram with outer ring；
Fig. 3 is pivoting support of the present invention without the soft structure diagram with ring gear；
Fig. 4 is schematic diagram of the present invention to ring gear quenching；
Fig. 5 is the sectional view before the ring gear of the present invention quenches；
Fig. 6 is schematic diagram of the present invention to outer ring quenching；
Fig. 7 is the sectional view before the outer ring of the present invention quenches.
It is marked in figure：1st, sensing heater；2nd, cooling device；3rd, without soft band outer ring；3-1, outer ring；4th, without soft band internal tooth
Circle；4-1, ring gear；5th, rolling element；6th, sealing ring；7th, oilhole；8th, mounting hole；9th, without soft band annular groove one；9-1, annular are recessed
Slot one；10th, without soft band annular groove two；10-1, annular groove two.
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Embodiment one,
As shown in Figs. 1-3, it is a kind of without soft band four-point contact ball pivoting support bearing, including without soft band outer ring 3, without soft band ring gear
It 4 and is placed in without soft with outer ring 3 and without the soft rolling element 5 between ring gear 4, it is equal without soft band outer ring 3 and without soft band ring gear 4
For 40GrMo materials, the no soft circumference inner radius with outer ring 3 is provided with without soft band annular groove 1, without the soft circle with ring gear 4
It is provided at all outer diameters without soft band annular groove 2 10, no soft band annular groove 1 combines shape with without soft band annular groove 2 10
Be circular cavity into a section, be placed with steel ball in cavity, without it is soft with outer ring 3 with being set without the soft junction with ring gear 4
It is equipped with to play the sealing ring 6 of dustproof effect, the no soft radial direction with outer ring 3 offers the oilhole 7 of a connection cavity.
It is described to be offered in bearing without the soft thickness direction with outer ring 3 and without the soft thickness direction with ring gear 4
The equally distributed mounting hole 8 of the heart.
As illustrated in figures 4-5, it is a kind of without the soft process for quenching with four-point contact ball pivoting support bearing ring gear 4-1, including
Following steps：
Step 1: the positioning of workpiece：The ring gear 4-1 of pivoting support is horizontally arranged on the workbench of lathe, and by its
It is fixed；
Step 2: determine the center location of workpiece：Ultrasonic distance-measuring sensor on machine tool chief axis is installed, utilizes distance measuring sensor
The different location of external peripheral surface or inner circumferential surface to workpiece carries out range measurement, determines the central coordinate of circle of workpiece, will sit
Scale value is recorded and stored in lathe PLC programming Control systems, and the starting point position of sensing heater 1 is determined according to the coordinate value
It puts, the moving radius of final position and sensing heater 1；
Step 3: the heating and cooling of workpiece：In initial position, two sensing heaters 1 on machine tool movement device
Simultaneously positioned at leading zero's a positions, and the distance between two sensing heaters 1 are 2mm, and sensing heater 1 is recessed apart from annular
The distance of one 9-1 of slot is 2mm, and during quenching, two sensing heaters 1 are powered simultaneously, and heated current frequency is 2500Hz, and two are felt
Answer heater 1 from zero a positions respectively in the opposite direction with identical speed movement b positions to terminal, in moving process, two
A sensing heater 1 moves the midpoint of circular arc and keeps concentric with the center of circle of workpiece, when reaching home, two sensing heaters 1
Stop mobile and two sensing heaters 1 at a distance of 2mm；In the mistake that sensing heater 1 heats one 9-1 surfaces of annular groove
Cheng Zhong, two cooling devices 2 on lathe with two 1 same movement locus of sensing heater simultaneously to having added
The raceway face of heat is cooled down, and the medium of cooling device 2 is water, in raceway face between the heating of every bit and the time cooled down
Every being equal；After two groups of sensing heaters 1 heat terminal b positions and withdraw one 9-1 surfaces of annular groove, sensing heating
Device 1 powers off, and stops heating, after two cooling devices 2 cool down one 9-1 surfaces of annular groove in terminal b positions, withdraws ring
The entire quenching process of pivoting support is completed to get to without soft band ring gear 4 in one 9-1 surfaces of connected in star.
Embodiment two,
As shown in Figs. 1-3, it is a kind of without soft band four-point contact ball pivoting support bearing, including without soft band outer ring 3, without soft band ring gear
It 4 and is placed in without soft with outer ring 3 and without the soft rolling element 5 between ring gear 4, it is equal without soft band outer ring 3 and without soft band ring gear 4
For 40GrMo materials, the no soft circumference inner radius with outer ring 3 is provided with without soft band annular groove 1, without the soft circle with ring gear 4
It is provided at all outer diameters without soft band annular groove 2 10, no soft band annular groove 1 combines shape with without soft band annular groove 2 10
Be circular cavity into a section, be placed with steel ball in cavity, without it is soft with outer ring 3 with being set without the soft junction with ring gear 4
It is equipped with to play the sealing ring 6 of dustproof effect, the no soft radial direction with outer ring 3 offers the oilhole 7 of a connection cavity.
It is described to be offered in bearing without the soft thickness direction with outer ring 3 and without the soft thickness direction with ring gear 4
The equally distributed mounting hole 8 of the heart.
As shown in fig. 6-7, it is a kind of without the soft process for quenching with four-point contact ball pivoting support bearing outer ring 3-1, including with
Lower step：
Step 1: the positioning of workpiece：The outer ring 3-1 of pivoting support is horizontally arranged on the workbench of lathe, and by its into
Row is fixed；
Step 2: determine the center location of workpiece：Infrared distance measuring sensor on machine tool chief axis is installed, utilizes distance measuring sensor
The different location of external peripheral surface or inner circumferential surface to workpiece carries out range measurement, determines the central coordinate of circle of workpiece, will sit
Scale value is recorded and stored in lathe PLC programming Control systems, and the starting point position of sensing heater 1 is determined according to the coordinate value
It puts, the moving radius of final position and sensing heater 1；
Step 3: the heating and cooling of workpiece：In initial position, two sensing heaters 1 on machine tool movement device
Simultaneously positioned at leading zero's a positions, and the distance between two sensing heaters 1 are 2mm, and sensing heater 1 is recessed apart from annular
The distance of two 10-1 of slot is 3mm, and during quenching, two sensing heaters 1 are powered simultaneously, and heated current frequency is 8000Hz, two
Sensing heater 1 from zero a positions respectively in the opposite direction with identical speed movement b positions to terminal, in moving process,
Two sensing heaters 1 move the midpoint of circular arc and keep concentric with the center of circle of workpiece, when reaching home, two sensing heaters
1 stops mobile and two sensing heaters 1 at a distance of 2mm；Two 10-1 surfaces of annular groove are heated in sensing heater 1
In the process, two cooling devices 2 on lathe with two 1 same movement locus of sensing heater simultaneously to
The raceway face of heating is cooled down, and the medium of cooling device 2 is mineral oil, the heating and cooling of every bit in raceway face
Time interval is equal；After two groups of sensing heaters 1 heat terminal b positions and withdraw two 10-1 surfaces of annular groove,
Sensing heater 1 powers off, and stops heating, and two cooling devices 2 cool down two 10-1 surfaces of annular groove in terminal b positions
Afterwards, two 10-1 surfaces of annular groove are withdrawn, complete the entire quenching process of pivoting support to get to without soft band outer ring 3.
Claims (10)
- It is 1. a kind of without soft band four-point contact ball pivoting support bearing, it is characterised in that：Including without soft band outer ring, without soft band ring gear And be placed in without soft with outer ring and without the soft rolling element between ring gear, rolling element is steel ball, without in the soft circumference with outer ring It is provided at diameter without soft band annular groove one, is provided at the no soft circumference outer diameter with ring gear without soft band annular groove two, nothing It is circular cavity that soft band annular groove one, which combines with without soft band annular groove two and forms a section, and rolling is placed in cavity Body, without soft with outer ring and the sealing ring for being provided with without the soft junction with ring gear to play dustproof effect, without soft band outside The radial direction of circle offers the oilhole of a connection cavity, without the soft thickness direction with outer ring and without the soft thickness direction with ring gear It offers around the equally distributed mounting hole of bearing centre.
- It is 2. according to claim 1 a kind of without soft band four-point contact ball pivoting support bearing, which is characterized in that outside without soft band Circle and be 40GrMo materials without soft band ring gear.
- 3. it is as described in claim 1 it is a kind of without soft band four-point contact ball pivoting support bearing without soft band outer ring, without soft band internal tooth The process for quenching of circle, which is characterized in that include the following steps：Step 1: the positioning of workpiece：The outer ring of pivoting support, ring gear are horizontally arranged on the workbench of lathe respectively, And it is fixed；Step 2: determine the center location of workpiece：Distance measuring sensor is installed, using distance measuring sensor to workpiece on machine tool chief axis External peripheral surface or inner circumferential surface different location carry out range measurement, determine the central coordinate of circle of workpiece, coordinate value remembered Record and be stored in machine tool control system, according to the coordinate value determine the start position of sensing heater, final position and The moving radius of sensing heater；Step 3: the heating and cooling of workpiece：In initial position, two sensing heaters on machine tool movement device are same When be located at leading zero's position, sensing heater is close to raceway face, and during quenching, two sensing heaters are powered simultaneously, two Sensing heater is moved to terminal from dead-center position with identical speed in the opposite direction respectively, in moving process, two senses The midpoint of heater movement circular arc and the center of circle of workpiece is answered to keep concentric, when reaching home, two sensing heaters stop moving It is dynamic；During sensing heater heats raceway face, two cooling devices on lathe with two The same movement locus of sensing heater simultaneously cools down heated raceway face, and every bit adds in raceway face The time interval of hot and cold but is equal；After two groups of sensing heaters heat final position and withdraw raceway face, sense Heater is answered to power off, stops heating, after two cooling devices cool down raceway face in final position, withdraws raceway table Face, complete the entire quenching process of pivoting support to get to without soft band outer ring, without soft band ring gear.
- 4. process for quenching according to claim 3, which is characterized in that the distance measuring sensor in step 2 is ultrasonic ranging Sensor, laser range sensor or infrared distance sensor.
- 5. process for quenching according to claim 3, which is characterized in that control system is PLC programing systems.
- 6. according to claim 3 a kind of without the soft process for quenching with four-point contact ball pivoting support bearing, feature exists In the raceway face in step 3 is two surface of one surface of annular groove or annular groove.
- 7. process for quenching according to claim 3, which is characterized in that the sensing heater in step 3 is Medium frequency induction Device, heated current frequency are 2500-8000Hz, and the distance of sensing heater and workpiece raceway face is 2-3mm.
- 8. process for quenching according to claim 3, which is characterized in that in step 3, the cooling medium of cooling device is water, Aqueous solution or mineral oil.
- 9. process for quenching according to claim 3, which is characterized in that in step 3, two sensing heaters are located at starting The spacing of dead-center position is 2mm.
- 10. process for quenching according to claim 3, which is characterized in that in step 3, two sensing heaters are located at terminal The spacing of position is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110652.9A CN108220581A (en) | 2018-02-05 | 2018-02-05 | It is a kind of without soft band four-point contact ball pivoting support bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110652.9A CN108220581A (en) | 2018-02-05 | 2018-02-05 | It is a kind of without soft band four-point contact ball pivoting support bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108220581A true CN108220581A (en) | 2018-06-29 |
Family
ID=62669733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810110652.9A Pending CN108220581A (en) | 2018-02-05 | 2018-02-05 | It is a kind of without soft band four-point contact ball pivoting support bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108220581A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329305A (en) * | 2020-11-05 | 2021-02-05 | 中车株洲电力机车研究所有限公司 | Method for determining position and polishing amount of soft belt of variable-pitch bearing of wind turbine generator |
| CN113278786A (en) * | 2021-04-29 | 2021-08-20 | 恒进感应科技（十堰）股份有限公司 | Heating quenching method and heating quenching device for surface induction of annular workpiece |
| CN113667812A (en) * | 2021-08-04 | 2021-11-19 | 洛阳新强联回转支承股份有限公司 | Processing method of medium carbon alloy steel non-soft-belt large-scale rolling mill bearing |
| CN115181833A (en) * | 2022-07-20 | 2022-10-14 | 洛阳鹏丰轴承制造有限公司 | Quenching method for double-row four-point contact ball bearing ring double-raceway surface |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326701U (en) * | 2011-11-30 | 2012-07-11 | 瓦房店摩士瑞昌轴承制造有限公司 | Self-positioning outer-teeth four-point contact ball type slewing bearing |
| CN104120218A (en) * | 2014-08-11 | 2014-10-29 | 天津英达森感应淬火设备科技有限公司 | Large rotary support/turntable bearing rollaway nest soft-strip-free induction quenching equipment |
| CN205025940U (en) * | 2015-07-09 | 2016-02-10 | 邯郸鸿力轴承有限公司 | Four point contact ball turntable bearings |
| CN207793360U (en) * | 2018-02-05 | 2018-08-31 | 洛阳新强联回转支承股份有限公司 | It is a kind of without soft band four-point contact ball pivoting support bearing |
-
2018
- 2018-02-05 CN CN201810110652.9A patent/CN108220581A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326701U (en) * | 2011-11-30 | 2012-07-11 | 瓦房店摩士瑞昌轴承制造有限公司 | Self-positioning outer-teeth four-point contact ball type slewing bearing |
| CN104120218A (en) * | 2014-08-11 | 2014-10-29 | 天津英达森感应淬火设备科技有限公司 | Large rotary support/turntable bearing rollaway nest soft-strip-free induction quenching equipment |
| CN205025940U (en) * | 2015-07-09 | 2016-02-10 | 邯郸鸿力轴承有限公司 | Four point contact ball turntable bearings |
| CN207793360U (en) * | 2018-02-05 | 2018-08-31 | 洛阳新强联回转支承股份有限公司 | It is a kind of without soft band four-point contact ball pivoting support bearing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329305A (en) * | 2020-11-05 | 2021-02-05 | 中车株洲电力机车研究所有限公司 | Method for determining position and polishing amount of soft belt of variable-pitch bearing of wind turbine generator |
| CN112329305B (en) * | 2020-11-05 | 2023-10-20 | 中车株洲电力机车研究所有限公司 | Method for determining soft belt position and polishing amount of variable-pitch bearing of wind turbine generator |
| CN113278786A (en) * | 2021-04-29 | 2021-08-20 | 恒进感应科技（十堰）股份有限公司 | Heating quenching method and heating quenching device for surface induction of annular workpiece |
| CN113667812A (en) * | 2021-08-04 | 2021-11-19 | 洛阳新强联回转支承股份有限公司 | Processing method of medium carbon alloy steel non-soft-belt large-scale rolling mill bearing |
| CN115181833A (en) * | 2022-07-20 | 2022-10-14 | 洛阳鹏丰轴承制造有限公司 | Quenching method for double-row four-point contact ball bearing ring double-raceway surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108223566A (en) | It is a kind of without the big cone angle double-row conical pivoting support of soft band | |
| CN108220581A (en) | It is a kind of without soft band four-point contact ball pivoting support bearing | |
| CN108193025A (en) | A kind of process for quenching without soft band revolution splicing sleeve circle | |
| CN207795848U (en) | It is a kind of without the big cone angle double-row conical pivoting support of soft band | |
| CN101509061B (en) | Simultaneous induction quenching technology for flange-output shaft neck and end face | |
| CN102676764B (en) | Medium frequency induction quenching method for circumferential surface of roller | |
| CN106868267B (en) | A kind of D2Steel roll double frequency heat treatment quenching process and device | |
| CN207793360U (en) | It is a kind of without soft band four-point contact ball pivoting support bearing | |
| CN101787426B (en) | Step-link shaft superaudio induction quenching method and special induction coil thereof | |
| JPH06200326A (en) | Method for hardening bearing ring | |
| CN109082504A (en) | A kind of super-huge 42CrMo double-split bearing ring raceway face process for quenching | |
| CN201447491U (en) | Quenching inducer of stepped shafts | |
| CN105861791B (en) | A kind of wind-powered electricity generation ring gear longitudinal magnetic flux induction heat treatment device | |
| CN108913848B (en) | Commercial vehicle double-row tapered roller bearing outer ring integral type quenching unit | |
| CN207795849U (en) | It is a kind of without soft band three-row cylinder roller pivoting support bearing | |
| CN110144437A (en) | A kind of gear synchronous quenching unit | |
| JP5557235B2 (en) | Heat treatment method for ring-shaped member, method for manufacturing ring-shaped member | |
| CN108223565A (en) | It is a kind of without soft band three-row cylinder roller pivoting support bearing | |
| CN102719626B (en) | Steel pipe and on-line quenching method thereof | |
| CN205077097U (en) | Circular part laser hardening device | |
| WO2017203915A1 (en) | Heat treatment method for ring-shaped member, manufacturing method for ring-shaped member, bearing ring of roller bearing, and roller bearing | |
| CN111100971A (en) | Laser quenching method for small shaft | |
| JP2014095154A (en) | Heat treatment method for ring-shaped member, method for producing ring-shaped member, ring-shaped member, bearing ring of rolling bearing, and rolling bearing | |
| JPH0418012B2 (en) | ||
| CN100460526C (en) | Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor |
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 |