CN103551811A - Manufacturing technology for high-speed and high-temperature precision deep groove ball bearing - Google Patents
Manufacturing technology for high-speed and high-temperature precision deep groove ball bearing Download PDFInfo
- Publication number
- CN103551811A CN103551811A CN201310555128.XA CN201310555128A CN103551811A CN 103551811 A CN103551811 A CN 103551811A CN 201310555128 A CN201310555128 A CN 201310555128A CN 103551811 A CN103551811 A CN 103551811A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- rolling
- speed
- temperature
- bearing
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000005516 engineering process Methods 0.000 title abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 48
- 230000008569 process Effects 0.000 claims abstract description 43
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 238000000227 grinding Methods 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 12
- 238000005496 tempering Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003892 spreading Methods 0.000 claims description 9
- 230000007480 spreading Effects 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000036461 convulsion Effects 0.000 claims description 4
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 241001417955 Agonidae Species 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract 2
- 238000011105 stabilization Methods 0.000 abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical group [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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 discloses a manufacturing technology for a high-speed and high-temperature precision deep groove ball bearing. A complete set of bearing product is manufactured by processing a forge piece blank into a workpiece billet with an outer ring and an inner ring, then respectively performing technical processes of respective technologies of cold rolling, thermal treatment, coarse grinding, thermal stabilization, fine grinding, grinding and the like, performing inspection and then performing cleaning and assembling. In the cold rolling technique, a cold rolling machine tool is used, a main driving forming rolling wheel is used as an outer die of a mold, and a driven forming mandril is used as an inner die of the mold, so that the forming rolling wheel drives the workpiece billet to rotate, and a supporting wheel pushes the forming mandril to forwards feed and extrude the workpiece billet to roll and form a product; in the thermal stabilization technique, the workpiece subjected to coarse grinding is subjected to heat preservation in a tempering furnace at temperature of 400 DEG C for 4 hours and then is taken out for natural cooling. The limit rotating speed of the complete set of bearing is 12,000 r/min, and the limit working temperature is 160 DEG C; the working noise is less than or equal to 45 dB; the rated load is Cr41.2KN and Cor24KN. The manufacturing precision is high, and the matching performance is high.
Description
Technical field
The present invention relates to rolling bearing manufacturing process, relate in particular to the manufacturing process of high-speed ball bearing.
Background technology
Bearing is the indispensable base parts and components of industrial society, various in style, and range of application is very extensive, has formed for many years standardization, unitized specialized production, and to high accuracy, at a high speed, high temperature future development.The 6300 Series Precision deep groove ball bearings that Harbin bearing Manufacturing Co., Ltd of current domestic deep groove ball bearing authority manufacturing firm produces of take are example, and main production is: car internal diameter, external diameter; Buffing plane, external diameter; Car raceway, car mounting groove; Heat treatment; Hard grind plane, external diameter, internal diameter, raceway; Cleaning, trap, measurement, greasing, oiling, packing.The basic mechanical design feature index reaching is as follows: grease lubrication limit speed 7500r/min, oil lubrication limit speed 9000r/min, 120 ℃ of maximum operating temperatures, rated load Cr40.8KN, Cor24KN.At some, be badly in need of the occasion of the close tolerance seal grooved antifriction bearing of high-speed frequency-adjustable speed-adjustable, high temperature, low noise, prior art processes still can not meet industrial production and specialities and develop supporting needs.Therefore, development can reach the manufacturing process of the accurate ball bearing of high-speed and high-temperature requirement, just becomes the brainstorm subject in bearing industry field.
Summary of the invention
Object of the present invention, is just to provide a kind of manufacturing process of complete supporting accurate ball bearing, and process route and production equipment can meet the requirement of making the accurate ball bearing of high-speed and high-temperature, mechanization degree is high, Process Route Planning is reasonable, and production equipment is supporting continuously, and the complete bearing technology index of production is advanced, adapt to the matching performance requirement of high-speed and high-temperature, production efficiency is high, easy-to-operate, and technique continuity is good, economic results in society are good, applied widely.
Task of the present invention is achieved in that the manufacture craft of the accurate deep groove ball bearing of a kind of high-speed and high-temperature of research and design, first the forging blank of bearing round steel is processed into the workpiece blank of outer ring and inner ring, pass through respectively colder rolling operation, heat treatment step, corase grind operation, thermally-stabilised operation, precision grinding process, each technical process of grinding step, workpiece after processing is through check, clean the technical process of assembly process, make bearing complete sets of products, outside lane runout amount≤the 0.005mm of complete bearing, jerk value≤the 0.005mm of inner ring end face back of the body face channel, jerk value≤the 0.005mm of cycle surface back of the body face channel, bearing working noise is 45dB, bearing limit speed is 12000r/min, bearing working limiting temperature is 160 ℃, rated load is Cr41.2KN, Cor24KN.The technical process of cold rolling operation is: adopt cold ring rolling machine tool, at normal temperatures workpiece blank is carried out to rolling and produce plastic deformation and moulding, moulding rolling wheel by main driving is made mould external mold, by driven forming core rod, make mould inner mould, moulding rolling wheel drives workpiece blank rotation, and forming core rod is installed on the bogie wheel connecting firmly with feed arrangement, and bogie wheel promotes forming core rod rolling feed motion forward, extruding workpiece blank, realizes rolling moulding.The pressure of rolling feed motion and the motion process between feed distance are divided into three phases: the first stage is for compressing deformation stage, moulding rolling wheel drives workpiece blank to rotate, bogie wheel promotes forming core rod feeding workpiece pressing blank, spreading is made every effort to overcome and is taken the internal modification resistance of workpiece blank metal and the frictional force between workpiece blank and mould, and interior metal lattice produces plastic deformation; Second stage is the steady-state deformation stage, and bogie wheel mechanism continues feeding, and workpiece blank height is with centripetal force direction of propulsion, and rolling distortion in mould forms steady-state deformation district height after being full of mould; Phase III is sharply ascent stage of pressure, when bogie wheel mechanism stablizes follow-up continuous the travelling forward of moulding at workpiece blank, rolling pressure can sharply rise, easily cause mould and rolling lathe to damage, the technical process of whole cold rolling operation should complete after second stage finishes, and then the workpiece of rolling sizing enters heat treatment step.The technical process of heat treatment step is: adopt chain type tunnel cave glowing furnace, the workpiece of rolling sizing is heat-treated, in kiln, temperature is 780～820 ℃, and the time is 40～60 minutes; Quenching oil temperature is 65～75 ℃, and the cool time is 15～20 minutes, 165～180 ℃ of Q-tempering temperature, and tempering time 3.5～4 hours, makes workpiece hardness reach HRC62～65.The technical process of corase grind operation is: adopt double-ended grinding machine and wide centerless grinder, the emery wheel of configuration 100#L granularity, workpiece end face after heat treatment, external diameter are roughly ground to processing, according to the tolerance central value of the dimensional tolerance of workpiece, form and position tolerance, control grinding accuracy respectively, and the allowance of reserved fine grinding.The technical process of thermally-stabilised operation is: adopt tempering furnace, the workpiece after corase grind is incubated to 4 hours in 400 ℃ of temperature in stove, the nature of then coming out of the stove is cooling.The technical process of precision grinding process is: adopt numerical control outer ring raceway grinding machine, numerical control bear inner ring grooved railway grinding machine, numeral-controlled internal grinder, the emery wheel of configuration 120#L granularity, respectively the workpiece after tempering is carried out to fine grinding, both ends of the surface difference in size is nominal dimension-0.02mm, parallel error is 0.003mm, prismatic roundness is poor is 0.003mm, and tapering is poor is 0.003mm; The precision of fine grinding internal diameter is nominal dimension φ d+0～-0.005mm, and circularity is poor is 0.004mm, and prismatic roundness is poor is 0.63mm, and Wall-Thickness Difference is 0.004mm, and tapering is poor is 0.003mm, and surface roughness is Ra=0. 63 μ m; The raceway diameter of fine grinding outer fissure and septal fossula is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is poor is 0.004mm, Wall-Thickness Difference is 0.004mm, raceway groove alternate position spike is ± 0.015mm, and raceway groove side-sway is poor is 0.005mm, and ditch R difference in size is ± 0.065mm, ditch shape circle arc error is 0.005mm, and surface roughness is Ra=0. 63 μ m.The technical process of grinding step is: adopt numerical control plane lapping machine, numerical control outer ring raceway lapping machine, numerical control bear inner ring grooved railway lapping machine, configure respectively WA3000, WA4000, WA6000, WA3.5 oilstone, respectively the raceway groove of workpiece inner ring and outer ring is repeatedly ground, the precision index that requirement reaches is: the diameter of lappingout workpiece raceway groove is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is 0.004mm, Wall-Thickness Difference is 0.004mm, raceway groove alternate position spike is ± 0.015mm, ditch R difference in size is+0.065mm, ditch shape circle arc error is 0.005mm, surface roughness is Ra=0.03 μ m, percent ripple value is 0.05 μ m.The technical process of cleaning assembly process is: the workpiece of first lappingout being crossed detects, in light polishing machine with sawdust by outer ring raceway, clean with the filth disposal in dust cap mounting groove, then adopt ultrasonic wave parts washer to clean workpiece, carry out again sorting, trap, riveted, play is detected, adopt finished product poacher, to the 45 ° of High Rotation Speeds sprays of complete bearing inclination after assembling, carry out high-speed jet air rotary-cleaning, adopt again automatic grease filling machine, filling high temperature and high speed lubricating grease, then carry out vibration test, be detected as the radial beat eccentricity of cover bearing, the raceway groove side-sway of inner ring and outer ring is poor, mint-mark precision marks, fill in the quality certification, then adopt automatic oiling packing machine to carry out oiling packing.The cold rolling technology that the present invention adopts is a kind of new technology of few chipless, can make to greatest extent workpiece shape and precision close to the standard-required of fabricated part, and can significantly improve workpiece inherent quality, improves intensity and toughness.The limit speed of the complete bearing of making reaches 12000r/min, operating temperature reaches 160 ℃, and running accuracy reaches P5 level, acceleration vibrating noise≤45dB, rated load Cr41.2KN, Cor24KN, can be widely used in the supporting application of mechanical main frame into high speed, high temperature, precision.
According to technique scheme, manufacture experimently, test, prove that the technology of the present invention index is advanced, process route is reasonable.Effectively, technical process is easy in equipment configuration, is connected closely, and the complete bearing accuracy of making is high, and quality is good, reaches the matching performance of high speed, high temperature, applied widely, has good technical economic benefit, has reached preferably predetermined object.
The specific embodiment
Below the specific embodiment of the present invention is illustrated.
The large play deep groove ball bearing of 6300 series sealing of take is example, the special-purpose round steel of GCr15 high carbon chromium bearing is made to forging blank, according to technical solution of the present invention, make, accurately control inner ring, outer ring workpiece blank tolerance, precision weight tolerance is in 1g, and channel dimensions tolerance is in ± 0.04mm.Cold rolling technology processing is that the moulding rolling wheel by an active limits component shaping external surface shape, and a driven forming core rod limits component shaping inner surface configuration, composition matching die; Forming core rod and workpiece blank are supported by bogie wheel.Carry out rolling workpiece blank and add man-hour, rolling wheel drives workpiece blank rotation, and forming core rod pushes workpiece blank under bogie wheel promotes, and the feed arrangement of bogie wheel and cold ring rolling machine tool is fixedly connected.In rolling process, along with the variation of workpiece blank feed distance, spreading power has obvious stage.The motion process relation of the pressure of cold rolling operation and stroke can be divided into three phases: the first stage is for compressing deformation stage, rolling starts, bogie wheel mechanism starts feeding, spreading power must overcome the deformation drag of workpiece blank metal and the frictional force between workpiece blank and mould, make the metal lattice of workpiece blank completely compacted, metal material produces plastic deformation.Second stage is the steady-state deformation stage, and bogie wheel mechanism continues feeding, forces workpiece blank metal to continue compressive deformation in mould.The height of workpiece blank extends along the feeding thrust direction of forming core rod, until workpiece blank is full of whole die space by spreading expansion, form plastically deforming area, do not change in time, plastically deforming area is called stable plastically deforming area, and pressure does not change with stroke yet.If when after this bogie wheel mechanism moves forward, enter the phase III, i.e. spreading power sharply increases the stage.After workpiece blank height surpasses steady-state deformation district, ，Ruo bogie wheel mechanism moves forward, and spreading power will sharply increase, and very easily mould and rolling lathe is caused to damage.Therefore phase III is to be with damagingly, must avoid completely, just should finish rear rolling operation process after completing second stage.Now the height of spreading workpiece blank and the height of mould equate.Perfect condition is restriction spreading power lift-off value, makes it to approach but does not exceed the allowance unit pressure of mould, so just can give full play to the effect of mold materials, reduces the consumption of raw materials of workpiece blank simultaneously.Compare with traditional turning processing mode, adopt cold rolling processing technology can save material 10～15%, can once complete the processing and forming of complex surface, boost productivity, improve the mechanical performance of workpiece, metal streamline is constant continuously, in the middle of not having, does not cut off, the crystalline substance of metal material is organized finer and close, and fatigue resistance improves greatly.
After cold rolling operation, heat-treat operation, heat treatment process is: adopt chain type tunnel cave glowing furnace, the workpiece of rolling sizing is heat-treated, kiln temperature is 780～820 ℃, and the time is 40～60 minutes; Quenching oil temperature is 65～75 ℃, and the cool time is 15～20 minutes; After quenching, temperature is 165～180 ℃, and tempering time is 3.5～4 hours, makes workpiece hardness reach HRC62～65.The processing of roughly grinding operation after heat treatment step.
Corase grind operation adopts double-ended grinding machine and wide centerless grinder, the grinding wheel graininess of configuration is 100#L, workpiece end face after heat treatment, external diameter are roughly ground to processing, according to the tolerance central value of the dimensional tolerance of workpiece, form and position tolerance, control grinding accuracy respectively, and the allowance of reserved precision.Before fine grinding, first carry out thermally-stabilised operation, adopt tempering furnace that the workpiece after corase grind is incubated to 4 hours in 400 ℃ of temperature in stove, the nature of then coming out of the stove is cooling.
Precision grinding process adopts respectively 3MK1420B type numerical control cylindrical groove grinder, 3MZ1310B type, 3MK1320 type numeral-controlled internal grinder, 3MZ2010B type, 3MK2015B type numeral-controlled internal grinder, the cylindrical of workpiece and inner circle are refined to precision index: workpiece both ends of the surface are of a size of nominal dimension-0.02mm, parallel error is 0.003mm, vertical difference is 0.008mm, fine grinding external diameter circularity poor be 0.003mm, prismatic roundness is poor is 0.003mm, tapering is poor is 0.003mm; The precision of fine grinding internal diameter is internal diameter nominal dimension φ d+0～-0.005mm, and circularity is poor is 0.004mm, and prismatic roundness is poor is 0.63mm, and Wall-Thickness Difference is 0.004mm, and tapering is poor is 0.003mm, and surface roughness is Ra=0.63 μ m; Fine grinding outer fissure is identical with the precision of fine grinding septal fossula, raceway diameter is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is poor is 0.004mm, and Wall-Thickness Difference is 0.004mm, and raceway groove alternate position spike is ± 0.015mm, raceway groove side-sway is poor is 0.005mm, ditch R difference in size is+0.065mm, and ditch shape circle arc error is 0.005mm, and surface roughness is Ra=0.63 μ m.
Grinding step adopts ZM84100 type numerical control plane lapping machine, 3MK3220B type numerical control outer ring raceway lapping machine, 3MZK3110B type, 3MZK3115B type numerical control bear inner ring grooved railway lapping machine, interior raceway groove is identical with outer raceway groove precision index: raceway diameter is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is poor is 0.004mm, Wall-Thickness Difference is 0.004mm, raceway groove alternate position spike is ± 0.015mm, raceway groove side-sway is poor is 0.005mm, ditch R difference in size is ± 0.065mm, ditch shape circle arc error is 0.005mm, surface roughness is Ra=0.03 μ m, percent ripple value is 0.05 μ m.
The technical process of cleaning assembly process is: the workpiece that lappingout is crossed fills respectively front detection, with sawdust, the filth disposal in cylindrical raceway and dust cap mounting groove is clean in light polishing machine, then adopt BYW-Z380NWQ type ultrasonic wave parts washer to clean workpiece, carry out respectively again sorting, trap, riveted, detect play; Qualified rear with BW-02 type finished product cleaning machine, to the 45 ° of high-speed air rotating jets sprays of complete bearing inclination after assembling, after drying up oven dry, adopt again automatic grease filling machine filling high temperature and high speed lubricating grease, then carry out vibration test, detect radial beat eccentricity, Internal and external cycle raceway groove side-sway is poor, mint-mark precision marks.Precision index is: play 18～36 μ m, finished product mean outside diameter variation is 0～-0.011mm, single radially mean outside diameter variation is 0～-0.008mm, single radially mean outside diameter deviation is 0～-0.006mm, the radial beat eccentricity of complete bearing outer ring is 0～-0.005mm, surface, outer ring bus is 0～-0.008mm to the gradient variation of datum end face (back side), the end face of complete bearing inner race and outer ring (back side) is all 0.005mm to the franchise of beating of raceway groove, and the noise of complete bearing is in 45dB.
Compare with original Vehicle Processing technique, the 6308 type deep groove ball bearings of take are example, stock utilization brings up to 75% by 57%, and every cover is saved steel 0.23kg, saves finish turning process time 25%, cost-saving 26%, productivity ratio is brought up to 480 of processing per minute by 300 of processing per hour, and machining accuracy and production efficiency improve greatly, and mechanical performance is obviously strengthened, reliability reaches 99.9%, improves 1～3 times of service life.
The accurate deep groove ball bearing series of products of high-speed and high-temperature that the present invention makes, maximal work rotating speed is 12000r/min, the limit of working temperature is 160 ℃, running accuracy is B5 level, acceleration vibrating noise≤45dB, rated load is Cr41.2KN, Cor24KN, is applicable to high-power frequency conversion buncher, numerical control machine tool, wind power plant, aerospace field, and some has special engineering machinery, the tank of high temperature and high speed performance requirement, the mechanical gear box of panzer.Matching performance is good, can meet the supporting requirement of installation of all kinds of main frames.Production technology of the present invention is reasonable, and technical process connects closely, and operational applications is convenient, and production efficiency is high, good product quality, and production cost is low relatively, has good economic and social benefits and development and application prospect widely.
Claims (8)
1. the manufacture craft of the accurate deep groove ball bearing of a high-speed and high-temperature, it is characterized in that first the forging blank of bearing round steel being processed into the workpiece blank of outer ring and inner ring, pass through respectively colder rolling operation, heat treatment step, corase grind operation, thermally-stabilised operation, precision grinding process, each technical process of grinding step, workpiece after processing is through check, clean the technical process of assembly process, make bearing complete sets of products, outside lane runout amount≤the 0.005mm of complete bearing, jerk value≤the 0.005mm of inner ring end face back of the body face channel, jerk value≤the 0.005mm of cycle surface back of the body face channel, bearing working noise is 45dB, bearing limit speed is 12000r/min, bearing working limiting temperature is 160 ℃, rated load is Cr41.2KN, Cor24KN.
2. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described cold rolling operation is: adopt cold ring rolling machine tool, at normal temperatures workpiece blank is carried out to rolling and produce plastic deformation and moulding, moulding rolling wheel by main driving is made mould external mold, by driven forming core rod, make mould inner mould, moulding rolling wheel drives workpiece blank rotation, forming core rod is installed on the bogie wheel connecting firmly with feed arrangement, bogie wheel promotes forming core rod rolling feed motion forward, extruding workpiece blank, realizes rolling moulding.
3. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 2, it is characterized in that the pressure of described rolling feed motion and the motion process between feed distance are divided into three phases: the first stage is for compressing deformation stage, moulding rolling wheel drives workpiece blank to rotate, bogie wheel promotes forming core rod feeding workpiece pressing blank, spreading is made every effort to overcome and is taken the internal modification resistance of workpiece blank metal and the frictional force between workpiece blank and mould, and interior metal lattice produces plastic deformation; Second stage is the steady-state deformation stage, and bogie wheel mechanism continues feeding, and workpiece blank height is with centripetal force direction of propulsion, and rolling distortion in mould forms steady-state deformation district height after being full of mould; Phase III is sharply ascent stage of pressure, when bogie wheel mechanism stablizes follow-up continuous the travelling forward of moulding at workpiece blank, rolling pressure can sharply rise, easily cause mould and rolling lathe to damage, the technical process of whole cold rolling operation should complete after second stage finishes, and then the workpiece of rolling sizing enters heat treatment step.
4. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described corase grind operation is: adopt double-ended grinding machine and wide centerless grinder, the emery wheel of configuration 100#L granularity, workpiece end face after heat treatment, external diameter are roughly ground to processing, according to the tolerance central value of the dimensional tolerance of workpiece, form and position tolerance, control grinding accuracy respectively, and the allowance of reserved fine grinding.
5. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described thermally-stabilised operation is: adopt tempering furnace, workpiece after corase grind is incubated to 4 hours in 400 ℃ of temperature in stove, and the nature of then coming out of the stove is cooling.
6. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described precision grinding process is: adopt numerical control outer ring raceway grinding machine, numerical control bear inner ring grooved railway grinding machine, numeral-controlled internal grinder, the emery wheel of configuration 120#L granularity, respectively the workpiece after tempering is refined, both ends of the surface difference in size is nominal dimension-0.02mm, parallel error is 0.003mm, prismatic roundness is poor is 0.003mm, tapering is poor is 0.003mm, fine grinding internal diameter precision is nominal dimension φ d+0～-0.005mm, circularity is poor is 0.004mm, prismatic roundness is poor is 0.63mm, Wall-Thickness Difference is 0.004mm, tapering is poor is 0.003mm, surface roughness is Ra=0.63 μ m, the raceway diameter of fine grinding outer fissure and septal fossula is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is poor is 0.004mm, Wall-Thickness Difference is 0.004mm, raceway groove alternate position spike is ± 0.015mm, and raceway groove side-sway is poor is 0.005mm, and ditch R difference in size is ± 0.065mm, ditch shape circle arc error is 0.005mm, and surface roughness is Ra=0.63 μ m.
7. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described grinding step is: adopt numerical control plane lapping machine, numerical control outer ring raceway lapping machine, numerical control bear inner ring grooved railway lapping machine, configure respectively WA3000, WA4000, WA6000, WA3.5 oilstone, respectively the raceway groove of workpiece inner ring and outer ring is repeatedly ground, the precision index that requirement reaches is: the diameter of lappingout workpiece raceway groove is φ nominal dimension ± 0.02mm, circularity is poor is 0.004mm, prismatic roundness is 0.004mm, Wall-Thickness Difference is 0.004mm, raceway groove alternate position spike is ± 0.015mm, ditch R difference in size is+0.065mm, ditch shape circle arc error is 0.005mm, surface roughness is Ra=0.03 μ m, percent ripple value is 0.05 μ m.
8. according to the manufacture craft of the accurate deep groove ball bearing of high-speed and high-temperature claimed in claim 1, the technical process that it is characterized in that described cleaning assembly process is: the workpiece of first lappingout being crossed detects, in light polishing machine with sawdust by outer ring raceway, clean with the filth disposal in dust cap mounting groove, then adopt ultrasonic wave parts washer to clean workpiece, carry out again sorting, trap, riveted, adopt finished product poacher, to the 45 ° of High Rotation Speeds sprays of complete bearing inclination after assembling, carry out high-speed jet air rotary-cleaning, the high temperature and high speed lubricating grease of annotating again, then carry out vibration test, be detected as the radial beat eccentricity of cover bearing, the raceway groove side-sway of inner ring and outer ring is poor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555128.XA CN103551811B (en) | 2013-11-11 | 2013-11-11 | The manufacture craft of the accurate deep groove ball bearing of a kind of high-speed and high-temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555128.XA CN103551811B (en) | 2013-11-11 | 2013-11-11 | The manufacture craft of the accurate deep groove ball bearing of a kind of high-speed and high-temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103551811A true CN103551811A (en) | 2014-02-05 |
| CN103551811B CN103551811B (en) | 2016-03-02 |
Family
ID=50006248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310555128.XA Expired - Fee Related CN103551811B (en) | 2013-11-11 | 2013-11-11 | The manufacture craft of the accurate deep groove ball bearing of a kind of high-speed and high-temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103551811B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057250A (en) * | 2014-06-04 | 2014-09-24 | 安徽省宁国顺昌机械有限公司 | Processing technology for guaranteeing assembling interchangeability of inner and outer rings of revolving support |
| CN104148895A (en) * | 2014-07-15 | 2014-11-19 | 安庆银泰轴承有限公司 | Production method of rolling bearing |
| CN104439954A (en) * | 2014-11-17 | 2015-03-25 | 无锡市百顺机械厂 | Bearing machining technology |
| CN105382160A (en) * | 2015-12-15 | 2016-03-09 | 常熟市常轴轴承有限公司 | Cold rolling forming process of bearing ring |
| CN106086381A (en) * | 2016-06-16 | 2016-11-09 | 武汉理工大学 | A kind of rolling deformation hot cold treatment method of lift shaft carrier ring performance |
| CN106392502A (en) * | 2016-12-09 | 2017-02-15 | 安顺市虹翼特种钢球制造有限公司 | Machining method of high-speed and high-temperature precise double-half inner ring ball bearing |
| CN106584217A (en) * | 2016-12-13 | 2017-04-26 | 中航工业哈尔滨轴承有限公司 | Grinding machining process of two half inner rings of angular contact ball bearing ring with oil tank |
| CN106624648A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Rolling bearing production technology |
| CN106624649A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Bearing machining technology |
| CN108161340A (en) * | 2016-12-08 | 2018-06-15 | 新昌县嘉德科技发展有限公司 | A kind of processing technology of deep ditch ball bearing ring |
| CN108411216A (en) * | 2018-03-13 | 2018-08-17 | 如皋市非标轴承有限公司 | A kind of wear resistant corrosion resistant bearing and manufacture craft |
| CN108436487A (en) * | 2018-03-02 | 2018-08-24 | 江苏保捷精锻有限公司 | A kind of bearing race production line and its working method with automatic flushing device |
| CN108644231A (en) * | 2018-03-31 | 2018-10-12 | 芜湖之优轴承有限公司 | A kind of deep groove ball bearing processing technology |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457790A (en) * | 2009-01-06 | 2009-06-17 | 金凯岷 | Processing method for tapered bearing outer ring |
| CN101576125A (en) * | 2009-04-03 | 2009-11-11 | 浙江明星轴承有限公司 | Method for manufacturing outer ring of tapered roller bearing |
| CN102425603A (en) * | 2011-11-15 | 2012-04-25 | 沈阳创达技术交易市场有限公司 | Processing technology of antifriction bearing |
| CN102635635A (en) * | 2011-06-14 | 2012-08-15 | 李东炬 | Precise ceramic bearing and machining process thereof |
| WO2013119044A1 (en) * | 2012-02-08 | 2013-08-15 | 선문대학교 산학협력단 | Method for manufacturing bearing material |
-
2013
- 2013-11-11 CN CN201310555128.XA patent/CN103551811B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457790A (en) * | 2009-01-06 | 2009-06-17 | 金凯岷 | Processing method for tapered bearing outer ring |
| CN101576125A (en) * | 2009-04-03 | 2009-11-11 | 浙江明星轴承有限公司 | Method for manufacturing outer ring of tapered roller bearing |
| CN102635635A (en) * | 2011-06-14 | 2012-08-15 | 李东炬 | Precise ceramic bearing and machining process thereof |
| CN102425603A (en) * | 2011-11-15 | 2012-04-25 | 沈阳创达技术交易市场有限公司 | Processing technology of antifriction bearing |
| WO2013119044A1 (en) * | 2012-02-08 | 2013-08-15 | 선문대학교 산학협력단 | Method for manufacturing bearing material |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057250A (en) * | 2014-06-04 | 2014-09-24 | 安徽省宁国顺昌机械有限公司 | Processing technology for guaranteeing assembling interchangeability of inner and outer rings of revolving support |
| CN104148895A (en) * | 2014-07-15 | 2014-11-19 | 安庆银泰轴承有限公司 | Production method of rolling bearing |
| CN104439954A (en) * | 2014-11-17 | 2015-03-25 | 无锡市百顺机械厂 | Bearing machining technology |
| CN105382160A (en) * | 2015-12-15 | 2016-03-09 | 常熟市常轴轴承有限公司 | Cold rolling forming process of bearing ring |
| CN106086381A (en) * | 2016-06-16 | 2016-11-09 | 武汉理工大学 | A kind of rolling deformation hot cold treatment method of lift shaft carrier ring performance |
| CN108161340A (en) * | 2016-12-08 | 2018-06-15 | 新昌县嘉德科技发展有限公司 | A kind of processing technology of deep ditch ball bearing ring |
| CN106392502A (en) * | 2016-12-09 | 2017-02-15 | 安顺市虹翼特种钢球制造有限公司 | Machining method of high-speed and high-temperature precise double-half inner ring ball bearing |
| CN106584217A (en) * | 2016-12-13 | 2017-04-26 | 中航工业哈尔滨轴承有限公司 | Grinding machining process of two half inner rings of angular contact ball bearing ring with oil tank |
| CN106624648A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Rolling bearing production technology |
| CN106624649A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Bearing machining technology |
| CN108436487A (en) * | 2018-03-02 | 2018-08-24 | 江苏保捷精锻有限公司 | A kind of bearing race production line and its working method with automatic flushing device |
| CN108411216A (en) * | 2018-03-13 | 2018-08-17 | 如皋市非标轴承有限公司 | A kind of wear resistant corrosion resistant bearing and manufacture craft |
| CN108644231A (en) * | 2018-03-31 | 2018-10-12 | 芜湖之优轴承有限公司 | A kind of deep groove ball bearing processing technology |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103551811B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103551811B (en) | The manufacture craft of the accurate deep groove ball bearing of a kind of high-speed and high-temperature | |
| CN101576125B (en) | Method for manufacturing outer ring of tapered roller bearing | |
| CN103331456A (en) | Machining method of rolling bearing formed by whole and precise hard turning and molding of sleeve ring | |
| CN102672440B (en) | Light rail output bevel wheel machining process | |
| CN105196012A (en) | Novel process for processing crankshaft | |
| CN110039268B (en) | Processing method of cold-extruded high-wear-resistance bearing outer ring | |
| CN102248369A (en) | Production process of high-precision ball bearing ring | |
| CN101817141A (en) | Processing technique for bearing of megawatt wind power speed increasing gear box | |
| CN102615224A (en) | Radial-axial rolling forming method for inner step section ring pieces | |
| CN103710509A (en) | Manufacturing method of precise tapered roller specially for high speed train unit | |
| CN102454715A (en) | Cardan universal joint, and manufacturing method for shaft sleeve for cardan universal joint | |
| CN104043769B (en) | Hot extrusion hole-bored axle from end to end straight forming technique | |
| CN108044310A (en) | A kind of manufacture craft of high-speed and high-temperature precision deep groove ball bearing | |
| CN101769280A (en) | Cold extruding processing method of spline housing and spline housing produced by same | |
| CN104481719A (en) | Cold-extruded high-precision gasoline engine piston pin | |
| CN102407431B (en) | Technology for manufacturing hotly-spun pressed forged steel single-piece piston with inner cooling oil cavity | |
| CN109707729A (en) | A kind of bearing and preparation method thereof | |
| CN101725629A (en) | Silicon nitride ceramic ball bearing and processing method thereof | |
| CN208866337U (en) | Cold headers are used in bearing roller production | |
| CN102423843B (en) | Manufacturing process of solid cold-spun forged steel piston with internal cooling oil chamber | |
| CN104476140A (en) | Turning processing technique for flange of angular contact bearing | |
| CN101569983A (en) | Method for forging and molding inner rings of rolling-mill bearings | |
| CN102059509A (en) | Processing method of double-section drive axle space ring | |
| CN201496109U (en) | Friction welding turbine supercharger main shaft and turbine wheel disc | |
| CN109531083B (en) | Semiconductor radiator and processing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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 | ||
| CP03 | Change of name, title or address |
Address after: 252200 Liu town, Dong'e County, Shandong Province Patentee after: Shandong Xinxing Precision Bearing Technology Co., Ltd. Address before: 252200 Liu town, Dong'e County, Shandong, Liaocheng Patentee before: DONGE XINXING MACHINERY PROCESSING CO., LTD. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190703 Granted publication date: 20160302 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210703 Granted publication date: 20160302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20201111 |