CN108161368A - A kind of processing method of integral type shield arbor bearing retainer - Google Patents
A kind of processing method of integral type shield arbor bearing retainer Download PDFInfo
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- CN108161368A CN108161368A CN201810077731.4A CN201810077731A CN108161368A CN 108161368 A CN108161368 A CN 108161368A CN 201810077731 A CN201810077731 A CN 201810077731A CN 108161368 A CN108161368 A CN 108161368A
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- retainer
- copper
- locating piece
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- welding
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- 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
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Abstract
The invention discloses a kind of processing methods of integral type shield arbor bearing retainer, it is characterised in that:Step 1: segmentation blanking;Step 2: the polishing spot welding link of retainer;Step 3: rough mill retainer internal diameter;Step 4: the welding of copper locating piece, polishing;Step 5: the flaw detection of the soldering opening of retainer;Step 6: it corrects retainer and three sections of retainers is welded into full circle;Step 7: the polishing of three sections of retainer soldering openings;Step 8: the periphery flaw detection of retainer;Step 9: the correction of retainer;Step 10: the finishing of retainer;Step 12: examine the apparent size of retainer;Step 13: the welding of copper stabilizer blade, polishing;Step 15: the correction of finished product retainer and the inspection of apparent size.The processing method of this integral type shield arbor bearing retainer;It improves the mechanical performance of shield machine retainer and bears the ability of radial load and axial load, extend the service life of shield machine retainer.
Description
Technical field
The present invention relates to integral type shield arbor bearing retainer processing technique field more particularly to a kind of integral type shield machines
The processing method of bearing cage.
Background technology
Shield machine is to integrate excavation in constructing tunnel, fetch earth, support, the mechanized equipment of lining cutting, and shield machine is applied
Work speed is fast, precision is high, safety is good, and shield machine is had a wide range of applications with its distinctive advantage in orbit construction.Shield
Machine integrates light, mechanical, electrical, liquid, sensing, information technology, has and excavates the cutting soil body, the native stone of conveying, assembled tunnel-liner, surveys
It measures and is oriented to the functions such as correction, be related to the multi-door subject technology such as geology, building, machinery, mechanics, hydraulic pressure, electrical, control, measurement, shield
Structure machine is carrying out subject complicated power and torque during operation, and main bearing of shield machine is as the main carrying of support cutter head of shield machine
Component carries the Main Load in shield machine operation process, is the important component of cutter-devices system.
Cutterhead on shield machine bearing, when the soil property in face of different regions, different structure carries out rotary cutting, cutterhead
Cutting form can be very different, however the radial load that is born of bearing and axial load can also be very different;Institute
It is extremely harsh with the performance requirement to shield machine bearing, however the critical piece of decision bearing performance quality is exactly shield bearing
Retainer;Therefore it improves shield machine bearing cage wear-resisting property and bears the performance of load, be to improve main bearing of shield machine
Service life main path.In the prior art, in shield machine bearing cage finishing passes, it is primarily present retainer processing essence
It spends low, bears the problem of load-carrying ability is low, wear-resisting property is low, physical life is not high;The defects of inventor is based in the prior art
A kind of processing method of integral type shield arbor bearing retainer is had developed, can be good at solving in the prior art ask
Topic.
Invention content
The purpose of the present invention is to solve deficiencies existing for above-mentioned technical problem, provide a kind of integral type shield machine bearing
The processing method of retainer, it is low to solve shield machine bearing cage machining accuracy, bears that load-carrying ability is low, wear-resisting property
Low, the problem of physical life is not high.
Integral type shield arbor bearing retainer processing method of the present invention is as follows:
Step 1: segmentation blanking:Retainer blank is laid flat first, is leveled up, gap is reserved below workpiece, in favor of aoxidizing scum
Blowing;With gas flame cuttiug blanking, according to drawing size single side high-volume 8 ㎜, it is divided into three sections, every section of bearing cage blank keeps
Crooked radian is 120 °;
Step 2: the polishing spot welding link of retainer:Respectively by the retainer blank of gas flame cuttiug, polish, remove rib, unhairing
Thorn makes the blank surface of retainer is smooth not scrape hand;By the retainer that three sections of curvature are 120 °, company is fixed with the mode of spot welding
It connects;
Step 3: rough mill retainer internal diameter:According to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer,
Do not scratch;
Step 4: the welding of copper locating piece, polishing:Three sections of retainer micro-force sensings form circular holder, select copper locating piece
Position, worked copper locating piece welding groove, by copper locating piece along the circumference of retainer inner ring, equidistantly fixed welding copper positioning
Block;By the copper locating piece of welding, polished, polished;
Step 5: the flaw detection of the soldering opening of retainer:Prerinse is carried out to the soldering opening of retainer first, then by bleeding agent
Retainer welding position surface is sprayed on, further the bleeding agent on retainer welding position surface is removed totally, further will
Processing is dried in the welding position of retainer, finally the defects of observation retainer soldering opening;
Step 6: it corrects retainer and three sections of retainers is welded into full circle:Retainer is subjected to school arc, smoothing, while by three
Section radian is welded into full circle for 120 ° of retainers;
Step 7: the polishing of three sections of retainer soldering openings:By the soldering opening of three sections of retainers, polish, keep soldering opening without
Burr, flat smooth, without scuffing;
Step 8: the periphery flaw detection of retainer:To being welded into the retainer of full circle in step 7, visited according to the infiltration in step 6
Hinder step, carry out carrying out flaw detection;
Step 9: the correction of retainer:School circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1
㎜ examines radian using model is rough milled;
Step 10: the finishing of retainer:Using vertical lathe smart car outer diameter, deburring;The pocket hole, interior of finish-milling retainer simultaneously
Diameter and copper locating piece;Examine the apparent size of retainer;
Step 11: the polishing of retainer:Outer diameter, pocket hole and copper locating piece to retainer carry out incline polishing, deburring,
Outer diameter, pocket hole and the copper locating piece surface for making retainer are smooth;
Step 12: examine the apparent size of retainer:According to the inspection mark for the apparent size that retainer is examined in step 11
Standard examines the apparent size of the outer diameter of retainer, internal diameter, pocket hole and copper locating piece;
Step 13: the welding of copper stabilizer blade, polishing:Copper stabilizer blade is welded in the inner circle of retainer, make soldering opening pore-free and
Crackle;It polishes the soldering opening of copper stabilizer blade, examines the finish of soldering opening outer surface, deburring makes smooth not scrape hand;
Step 14: the flaw detection of copper stabilizer blade:After the welding of copper stabilizer blade, polishing well in step 13, the flaw detection in step 5 is utilized
Method carries out penetrant inspection to copper stabilizer blade;
Step 15: the correction of finished product retainer and the inspection of apparent size:After the completion of all procedure of processings of retainer, to protecting
Holder school circle, smoothing are making retainer to be less than 0.5 ㎜ with operating platform gap;Simultaneously using apparent size in step 10
Test stone carries out finished product retainer the inspection of apparent size.
Gas flame cuttiug blanking is used wherein in step 1, the Pureness control of combustion gas is 99.7% ~ 99.9%.
The method of detection of the soldering opening of retainer is to be observed under 1, prerinse, drying and black light wherein in step 5:It will
The acetone of 50%V/V and the inorganic solvent on 50%V/V washes of absolute alcohol retainers surface, are thoroughly dried retainer with drying box
It is dry, it is observed under black light and unstressed configuration is answered to show;2nd, it permeates:Bleeding agent is sprayed on retainer welding position surface, is in temperature
In 20 ~ 30 ° of environment, permeate 10 ~ 15 minutes;In the environment for being 10 ~ 20 ° in temperature, permeate 20 ~ 25 minutes;3rd, removal is kept
The bleeding agent on device surface:It is 0.2 ~ 0.5Mpa with spray gun pressure under black light lamp, water temperature is that 23 ~ 25 ° of clear water is cleaned,
Scavenging period was controlled at 5 ~ 8 minutes;4th, it is dry:It is first with the compressed air that pressure is 0.12 Mpa that the droplet on retainer surface is clear
Except clean, then it is put into the dry slot that drying temperature is 35 ~ 45 °, it is 3 ~ 5 minutes dry;5th, coloring observation developing:After dry
Retainer be placed in the developing slot that dusts equipped with magnesia, taken out after 20 ~ 30 minutes, under black light lamp observe retainer weldering
Connect defect.
The upper deviation of retainer outer diameter is -0.1 ㎜ wherein in step 10, and lower deviation is -0.5 ㎜, the internal diameter of retainer
The upper deviation is+0.5 ㎜, and lower deviation is 0 ㎜, and the upper deviation of the height dimension of retainer is -0.1 ㎜, and lower deviation is -1.0 ㎜;It protects
The upper deviation of distance is -0.1 ㎜ between holder pocket hole and outer diameter, and the lower deviation of distance is -0.4 between retainer pocket hole and outer diameter
The upper deviation of ㎜, retainer pocket hole radial dimension and circumferential size is+0.3 ㎜, retainer pocket hole radial dimension and circumferential size
Lower deviation for+0.1 ㎜, the radial dimension of upper deviation of copper locating piece is -0.2 ㎜, and lower deviation is -0.5 ㎜.
Wherein in step 1, retainer blank is laid flat, is leveled up, gap is reserved below workpiece, in favor of oxidation scum
It blows down;The main purpose done so is to during using gas flame cuttiug blank, generate the scum of blank, outflow
Gap is discharged by scum by reserving gap, on the one hand, improve the cutting accuracy of retainer blank;On the other hand retainer is improved
The surface smoothness of blank, because to retainer blank, the process of gas flame cuttiug blanking, if not in time by the scum of oxidation
It removes, is easily the surface that scum adheres to retainer blank, reduce the finish of retainer blank surface.
Wherein in step 1, with gas flame cuttiug blanking, according to drawing size single side high-volume 8 ㎜, it is divided into three sections, every section of bearing
It is 120 ° that retainer blank, which keeps crooked radian,;The main purpose done so be in order to, on the one hand, increase the processing ruler of retainer
Very little surplus, it is ensured that be processed and formed at one time;On the other hand the accuracy of the circular arc degree of retainer is improved, so as to improve entire holding
The crooked radian of every section of retainer blank because entire retainer is 360 °, is arranged to 120 ° and is conducive to by the machining accuracy of device
Improve the accuracy of the radian of entire retainer.
Wherein in step 2, respectively by the retainer blank of gas flame cuttiug, polish, rib, deburring is gone to make retainer
Blank surface smooth do not scrape hand;By the retainer that three sections of curvature are 120 °, it is fixedly connected with the mode of spot welding;It does so
Main purpose be in order to, on the one hand, by with the mode of spot welding, by three sections of retainer skin blanks, micro-force sensing can improve processing
Convenience, while the polishing to retainer is also helped, school circle and smoothing, so as to improve the machining accuracy of entire retainer;Separately
On the one hand, retainer blank is polished, goes rib, deburring, the surface smoothness of retainer blank can be improved.
Wherein in step 3, according to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer, do not have
It scratches;The main purpose done so is to reserve the size of polishing and the finishing of retainer, improve the finished product of retainer
Rate so as to improve the yield of retainer, is increased economic efficiency.
Wherein in step 4, three sections of retainer micro-force sensings form circular holder, select the position of copper locating piece, worked copper
Locating piece welding groove, it is equidistantly fixed to weld copper locating piece by copper locating piece along the circumference of retainer inner ring;By welding
Copper locating piece is polished, is polished;The wherein welding groove of worked copper locating piece, primarily to improving copper locating piece and guarantor
The welding precision of holder reduces weld crack, improves the mechanical strength of entire retainer, improves the service life of retainer;Its
In equidistant fixed welding copper locating piece, the main purpose done so be in order to, 1, the positioning action using copper locating piece, it is convenient
The installation positioning of retainer improves the installation accuracy of retainer;2nd, copper locating piece can enhance the wearability of retainer, improve and protect
The service life of holder;3 while enhance the mechanical strength of retainer, larger radial load and axial load can be born;4、
Retainer is the critical piece of shield machine bearing, keeps off and enters the hard solid particles such as sand in the bearing of shield machine, and head works as
What it was rushed is exactly shield machine bearing cage, and copper locating piece is welded on retainer, can be in the situation that retainer is worn
Under, the convenience that retainer is quickly repaired can be improved by effectively quickly being repaired to retainer.
The soldering opening of retainer is carried out wherein in step 5 to observe under prerinse, drying and black light, by the third of 50%V/V
Ketone and the inorganic solvent on 50%V/V washes of absolute alcohol retainers surface, are thoroughly dried retainer with drying box, under black light
Observation answers unstressed configuration to show;The main purpose done so is to remove the organic matter on retainer surface, propose the spirit of penetrant inspection
Sensitivity, the defects of accurately detecting retainer soldering opening, improve the mechanical strength of retainer;Using 50%V/V acetone and
The organic matter on 50%V/V washes of absolute alcohol retainers surface, removing it is most clean, most thoroughly.
Wherein in step 5, bleeding agent is sprayed on retainer welding position surface, in the environment for being 20 ~ 30 ° in temperature,
Infiltration 10 ~ 15 minutes;In the environment for being 10 ~ 20 ° in temperature, permeate 20 ~ 25 minutes;In the higher situation of summer environment temperature
Under, permeate 10 ~ 15 minutes most preferably;With the reduction of environment temperature, such as winter, it is best, corresponding increase to permeate 20 ~ 25 minutes
The time of penetration of bleeding agent can improve the sensitivity of flaw detection;Because bleeding agent is a kind of substance, it then follows the movement of molecule
Rule, there is interaction forces due to intermolecular, and when bleeding agent sprays to the surface of retainer, solid contacts to be formed with liquid
One layer of adhesive layer, molecular distribution is more closely knit than liquid internal in adhesive layer, and intermolecular distance is smaller, mutually exclusive power occurs, holds
Capillary phenomenon is also easy to produce, is penetrated into defect;When the temperature increases, permeating the mean kinetic energy of agent molecule increases, molecular thermalmotion
Aggravation, the amplitude of molecular motion is increasing, is constantly mutually collided with other fluid molecules, obtain kinetic energy, surface molecular by
The binding force of liquid internal molecule reduces, and surface tension reduces, and viscosity becomes smaller, it is easier in the defects of penetrating into retainer;It is viscous
Degree has direct relationship with seepage velocity, and temperature is low, and the viscosity of bleeding agent is big, and seepage velocity is slow, and time of penetration is long;Temperature
Height, viscosity is small, and seepage velocity is fast, and time of penetration is short;But not in the case of temperature height, the unlimited infiltration for increasing bleeding agent
Time, it is possible to improve the flaw detection sensitivity of bleeding agent;This is because the defects of mouthful space be it is constant, defect mouth receiving oozes
The amount of saturating agent is certain, so being not to improve infiltration temperature simply, the sensitive of flaw detection can be improved by increasing time of penetration
Degree.
It is 0.2 ~ 0.5Mpa with spray gun pressure under black light lamp, the clear water that water temperature is 23 ~ 25 ° carries out wherein in step 5
Cleaning, scavenging period were controlled at 5 ~ 8 minutes;The main purpose done so be for, the quick cleanliness factor for removing retainer surface,
Developing step for next step creates conditions, because the surface of retainer is more cleaned, the coloring effect of colorant is better, so as to
The accuracy of developing is substantially increased, improves the precision of retainer Defect detection;By experiment repeatedly, with spray gun pressure
For 0.2 ~ 0.5Mpa, water temperature is that 23 ~ 25 ° of clear water is cleaned, and scavenging period control was joined at 5 ~ 8 minutes for best control
Number, it is fast to retainer surface clean speed, while cleaning performance is best.
Wherein in step 5, first the droplet on retainer surface is removed totally with the compressed air that pressure is 0.12 Mpa,
Then it is put into the dry slot that drying temperature is 35 ~ 45 °, it is 3 ~ 5 minutes dry;The main purpose done so is in order to further
Discharge residual droplet, the interference to the coloring of retainer surface colourant because of the surface of retainer, there is remaining droplet, will
Droplet is caused to be merged with colorant, so as to directly affect the coloring effect of colorant, so as to cause the precision of developing, is reduced to protecting
The sensitivity of holder soldering opening Defect detection.
Wherein in step 5, developing is observed:Dried retainer is placed in the developing slot that dusts equipped with magnesia, 20
It is taken out after ~ 30 minutes, the weld defect of retainer is observed under black light lamp;The main purpose done so is to improve developing
Effect, as long as be capable of the place of developing, be exactly retainer soldering opening there are the defects of place;Presentation time is controlled 20
At the defects of ~ 30 minutes, mainly allowing colorant magnesia, being adequately exposed to retainer surface, come into full contact with, carry with defect mouth
The accuracy and sensitivity that height detects retainer soldering opening Defect detection.
Wherein Step 6: in seven, retainer is subjected to school arc, smoothing, while three sections of radians are welded for 120 ° of retainers
Into full circle;It by the soldering opening of three sections of retainers, polishes, keeps soldering opening impulse- free robustness, flat smooth, without scuffing;It does so
Main purpose be to improve the precision of entire retainer circumference arcs, reduce the circle in shield machine bearing operational process
The gap of circumferential direction reduces the noise during shield machine bearing operation;In segmented keeps process, it is primarily present
Problem is exactly the bad control of circumference arc of integral holder, and each section of retainer blank is processed into arc by the present invention in advance first
The arc-shaped for 120 ° is spent, then carries out being welded to form the retainer of an entirety, has so been considerably improved shield machine bearing
Retainer, the gap on circumferencial direction in operation process reduce the mutual shock between retainer, while reduce and make an uproar
Sound.
Wherein in step 8, to being welded into the retainer of full circle in step 7, according to the penetrant inspection step in step 6,
Carry out carrying out flaw detection;The main purpose done so be in order to, detect a flaw three sections of retainer blank welds mechanical defect, further
The weld strength between three sections of retainers is improved, so as to improve the anti-radial load of entire retainer and the ability of axial load,
Improve the mechanical strength of retainer.
Wherein in step 9, school circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1 ㎜, is made
Radian is examined with model is rough milled;The main purpose done so is to improve the flatness on the surface of retainer, while improve guarantor
The radian of the whole circumferencial direction of holder.
Wherein in step 10, using vertical lathe smart car outer diameter, deburring;Simultaneously the pocket hole of finish-milling retainer, internal diameter and
Copper copper locating piece;Examine the apparent size of retainer;The main purpose done so is to improve retainer outer diameter, internal diameter, pocket
Hole and the machining accuracy of copper locating piece, the overall mechanical strength for improving retainer improve the wearability of retainer, extend retainer
Service life.
Wherein in step 11, outer diameter, pocket hole and copper locating piece to retainer carry out incline polishing, deburring, make
The outer diameter of retainer, pocket hole and copper locating piece surface are smooth;The main purpose done so is to improve retainer surface
The frictional force of the inner ring and outer ring of finish, retainer and bearing improves the mechanical performance of shield machine bearing.
Wherein in step 12, according to the test stone for the apparent size that retainer is examined in step 11, examine and keep
The outer diameter of device, internal diameter, pocket hole and copper locating piece apparent size;The main purpose done so is to further improve holding
The machining accuracy of device entirety, improves the mechanical performance of shield machine bearing, and enhancing shield machine bearing bears radial load and axial load
The ability of lotus.
Wherein in step 13, copper stabilizer blade is welded in the inner circle of retainer, makes soldering opening pore-free and crackle;Polishing
The soldering opening of copper stabilizer blade, examines the finish of soldering opening outer surface, deburring, makes smooth not scrape hand;The main purpose done so
It is to be detached from the outer ring of retainer and shield machine bearing, play the role of supporting retainer, while also act as raising and keep
The wearability of device extends the service life of retainer.
Wherein in step 14, after the welding of copper stabilizer blade, polishing well in step 13, the flaw detection side in step 5 is utilized
Method carries out penetrant inspection to copper stabilizer blade;The main purpose done so is to improve copper stabilizer blade and the welding of retainer steel material
Intensity, so as to improve the machining accuracy of whole shield machine bearing cage,
Wherein in step 15, after the completion of all procedure of processings of retainer, to retainer school circle, smoothing, make retainer with
The gap of operating platform is less than 0.5 ㎜;Simultaneously using the test stone of apparent size in step 10, finished product retainer is carried out outer
See the inspection of size;The main purpose done so is in order to which one side improves the flatness on the surface of shield machine retainer;Simultaneously
Using in step 10, to the test stone of the appearance of the outer diameter of retainer, internal diameter, pocket hole and copper locating piece, further improve
The machining accuracy of shield machine retainer improves the mechanical performance of shield machine retainer and bears radial load and axial load
Ability extends the service life of shield machine retainer.
Beneficial effects of the present invention:The present invention provides a kind of processing method of integral type shield arbor bearing retainer, can
It solves the problem of that shield machine bearing cage machining accuracy is low and bears that load-carrying ability is low, wear-resisting property is low, physical life is not high,
The accuracy of shield machine bearing cage circumferencial direction circular arc is improved, improve the mechanical performance of shield machine retainer and is born
The ability of radial load and axial load extends the service life of shield machine retainer
Specific embodiment
The present invention is described further below in conjunction with specific embodiment, these embodiments be merely to illustrate the present invention rather than
It limits the scope of the invention.
Embodiment 1,
A kind of integral type shield arbor bearing retainer processing method is as follows:Step 1: segmentation blanking:Retainer blank is put first
It puts down, level up, gap is reserved below workpiece, in favor of aoxidizing the blowing of scum;With gas flame cuttiug blanking, the Pureness control of combustion gas exists
99.7%, according to drawing size single side high-volume 8 ㎜, it is divided into three sections, to keep crooked radian be 120 ° to every section of bearing cage blank;
Step 2: the polishing spot welding link of retainer:Respectively by the retainer blank of gas flame cuttiug, polish, remove rib, unhairing
Thorn makes the blank surface of retainer is smooth not scrape hand;By the retainer that three sections of curvature are 120 °, company is fixed with the mode of spot welding
It connects;
Step 3: rough mill retainer internal diameter:According to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer,
Do not scratch;
Step 4: the welding of copper locating piece, polishing:Three sections of retainer micro-force sensings form circular holder, select copper locating piece
Position, worked copper locating piece welding groove, by copper locating piece along the circumference of retainer inner ring, equidistantly fixed welding copper positioning
Block;By the copper locating piece of welding, polished, polished;
Step 5: the flaw detection of the soldering opening of retainer:1st, it is observed under prerinse, drying and black light:By the acetone of 50%V/V and
Retainer with drying box is thoroughly dried, is observed under black light by the inorganic solvent on 50%V/V washes of absolute alcohol retainers surface
Unstressed configuration is answered to show;2nd, it permeates:Bleeding agent is sprayed on retainer welding position surface, in the environment for being 20 ° in temperature, infiltration
10 minutes;In the environment for being 10 ° in temperature, permeate 20 minutes;3rd, the bleeding agent on removal retainer surface:Under black light lamp, use
Spray gun pressure is 0.2Mpa, and water temperature is that 23 ° of clear water is cleaned, and scavenging period was controlled at 5 minutes;4th, it is dry:First use pressure
Compressed air for 0.12 Mpa, which removes the droplet on retainer surface, totally, is then put into the dry slot that drying temperature is 35 °
In, it is 3 minutes dry;5th, coloring observation developing:Dried retainer is placed in the developing slot that dusts equipped with magnesia, 20 points
It is taken out after clock, the weld defect of retainer is observed under black light lamp;
Step 6: it corrects retainer and three sections of retainers is welded into full circle:Retainer is subjected to school arc, smoothing, while by three
Section radian is welded into full circle for 120 ° of retainers;
Step 7: the polishing of three sections of retainer soldering openings:By the soldering opening of three sections of retainers, polish, keep soldering opening without
Burr, flat smooth, without scuffing;
Step 8: the periphery flaw detection of retainer:To being welded into the retainer of full circle in step 7, visited according to the infiltration in step 6
Hinder step, carry out carrying out flaw detection;
Step 9: the correction of retainer:School circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1
㎜ examines radian using model is rough milled;
Step 10: the finishing of retainer:Using vertical lathe smart car outer diameter, deburring;The pocket hole, interior of finish-milling retainer simultaneously
Diameter and copper locating piece;Examine the apparent size of retainer;The upper deviation of retainer outer diameter is -0.1 ㎜, and lower deviation is -0.5 ㎜,
The upper deviation of the internal diameter of retainer is+0.5 ㎜, and lower deviation is 0 ㎜, and the upper deviation of the height dimension of retainer is -0.1 ㎜, under
Deviation is -1.0 ㎜;The upper deviation of distance is -0.1 ㎜, retainer pocket hole and the spacing of outer diameter between retainer pocket hole and outer diameter
From lower deviation for -0.4 ㎜, the upper deviation of retainer pocket hole radial dimension and circumferential size is+0.3 ㎜, retainer pocket aperture
Be+0.1 ㎜ to the lower deviation of size and circumferential size, the radial dimension of upper deviation of copper locating piece is -0.2 ㎜, lower deviation for -
0.5㎜;
Step 11: the polishing of retainer:Outer diameter, pocket hole and copper locating piece to retainer carry out incline polishing, deburring,
Outer diameter, pocket hole and the copper locating piece surface for making retainer are smooth;
Step 12: examine the apparent size of retainer:According to the inspection mark for the apparent size that retainer is examined in step 11
Standard examines the apparent size of the outer diameter of retainer, internal diameter, pocket hole and copper locating piece;
Step 13: the welding of copper stabilizer blade, polishing:Copper stabilizer blade is welded in the inner circle of retainer, make soldering opening pore-free and
Crackle;It polishes the soldering opening of copper stabilizer blade, examines the finish of soldering opening outer surface, deburring makes smooth not scrape hand;
Step 14: the flaw detection of copper stabilizer blade:After the welding of copper stabilizer blade, polishing well in step 13, the flaw detection in step 5 is utilized
Method carries out penetrant inspection to copper stabilizer blade;
Step 15: the correction of finished product retainer and the inspection of apparent size:After the completion of all procedure of processings of retainer, to protecting
Holder school circle, smoothing are making retainer to be less than 0.5 ㎜ with operating platform gap;Simultaneously using apparent size in step 10
Test stone carries out finished product retainer the inspection of apparent size.
Embodiment 2
A kind of integral type shield arbor bearing retainer processing method is as follows:Step 1: segmentation blanking:Retainer blank is put first
It puts down, level up, gap is reserved below workpiece, in favor of aoxidizing the blowing of scum;With gas flame cuttiug blanking, the Pureness control of combustion gas exists
99.8%, according to drawing size single side high-volume 8 ㎜, it is divided into three sections, to keep crooked radian be 120 ° to every section of bearing cage blank;
Step 2: the polishing spot welding link of retainer:Respectively by the retainer blank of gas flame cuttiug, polish, remove rib, unhairing
Thorn makes the blank surface of retainer is smooth not scrape hand;By the retainer that three sections of curvature are 120 °, company is fixed with the mode of spot welding
It connects;
Step 3: rough mill retainer internal diameter:According to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer,
Do not scratch;
Step 4: the welding of copper locating piece, polishing:Three sections of retainer micro-force sensings form circular holder, select copper locating piece
Position, worked copper locating piece welding groove, by copper locating piece along the circumference of retainer inner ring, equidistantly fixed welding copper positioning
Block;By the copper locating piece of welding, polished, polished;
Step 5: the flaw detection of the soldering opening of retainer:1st, it is observed under prerinse, drying and black light:By the acetone of 50%V/V and
Retainer with drying box is thoroughly dried, is observed under black light by the inorganic solvent on 50%V/V washes of absolute alcohol retainers surface
Unstressed configuration is answered to show;2nd, it permeates:Bleeding agent is sprayed on retainer welding position surface, in the environment for being 25 ° in temperature, infiltration
13 minutes;In the environment for being 15 ° in temperature, permeate 23 minutes;3rd, the bleeding agent on removal retainer surface:Under black light lamp, use
Spray gun pressure is 0.3Mpa, and water temperature is that 24 ° of clear water is cleaned, and scavenging period was controlled at 6 minutes;4th, it is dry:First use pressure
Compressed air for 0.12 Mpa, which removes the droplet on retainer surface, totally, is then put into the dry slot that drying temperature is 40 °
In, it is 4 minutes dry;5th, coloring observation developing:Dried retainer is placed in the developing slot that dusts equipped with magnesia, 25 points
It is taken out after clock, the weld defect of retainer is observed under black light lamp;
Step 6: it corrects retainer and three sections of retainers is welded into full circle:Retainer is subjected to school arc, smoothing, while by three
Section radian is welded into full circle for 120 ° of retainers;
Step 7: the polishing of three sections of retainer soldering openings:By the soldering opening of three sections of retainers, polish, keep soldering opening without
Burr, flat smooth, without scuffing;
Step 8: the periphery flaw detection of retainer:To being welded into the retainer of full circle in step 7, visited according to the infiltration in step 6
Hinder step, carry out carrying out flaw detection;
Step 9: the correction of retainer:School circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1
㎜ examines radian using model is rough milled;
Step 10: the finishing of retainer:Using vertical lathe smart car outer diameter, deburring;The pocket hole, interior of finish-milling retainer simultaneously
Diameter and copper locating piece;Examine the apparent size of retainer;The upper deviation of retainer outer diameter is -0.1 ㎜, and lower deviation is -0.5 ㎜,
The upper deviation of the internal diameter of retainer is+0.5 ㎜, and lower deviation is 0 ㎜, and the upper deviation of the height dimension of retainer is -0.1 ㎜, under
Deviation is -1.0 ㎜;The upper deviation of distance is -0.1 ㎜, retainer pocket hole and the spacing of outer diameter between retainer pocket hole and outer diameter
From lower deviation for -0.4 ㎜, the upper deviation of retainer pocket hole radial dimension and circumferential size is+0.3 ㎜, retainer pocket aperture
Be+0.1 ㎜ to the lower deviation of size and circumferential size, the radial dimension of upper deviation of copper locating piece is -0.2 ㎜, lower deviation for -
0.5㎜;
Step 11: the polishing of retainer:Outer diameter, pocket hole and copper locating piece to retainer carry out incline polishing, deburring,
Outer diameter, pocket hole and the copper locating piece surface for making retainer are smooth;
Step 12: examine the apparent size of retainer:According to the inspection mark for the apparent size that retainer is examined in step 11
Standard examines the apparent size of the outer diameter of retainer, internal diameter, pocket hole and copper locating piece;
Step 13: the welding of copper stabilizer blade, polishing:Copper stabilizer blade is welded in the inner circle of retainer, make soldering opening pore-free and
Crackle;It polishes the soldering opening of copper stabilizer blade, examines the finish of soldering opening outer surface, deburring makes smooth not scrape hand;
Step 14: the flaw detection of copper stabilizer blade:After the welding of copper stabilizer blade, polishing well in step 13, the flaw detection in step 5 is utilized
Method carries out penetrant inspection to copper stabilizer blade;
Step 15: the correction of finished product retainer and the inspection of apparent size:After the completion of all procedure of processings of retainer, to protecting
Holder school circle, smoothing are making retainer to be less than 0.5 ㎜ with operating platform gap;Simultaneously using apparent size in step 10
Test stone carries out finished product retainer the inspection of apparent size.
Embodiment 3
A kind of integral type shield arbor bearing retainer processing method is as follows:Step 1: segmentation blanking:Retainer blank is put first
It puts down, level up, gap is reserved below workpiece, in favor of aoxidizing the blowing of scum;With gas flame cuttiug blanking, the Pureness control of combustion gas exists
99.9%, according to drawing size single side high-volume 8 ㎜, it is divided into three sections, to keep crooked radian be 120 ° to every section of bearing cage blank;
Step 2: the polishing spot welding link of retainer:Respectively by the retainer blank of gas flame cuttiug, polish, remove rib, unhairing
Thorn makes the blank surface of retainer is smooth not scrape hand;By the retainer that three sections of curvature are 120 °, company is fixed with the mode of spot welding
It connects;
Step 3: rough mill retainer internal diameter:According to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer,
Do not scratch;
Step 4: the welding of copper locating piece, polishing:Three sections of retainer micro-force sensings form circular holder, select copper locating piece
Position, worked copper locating piece welding groove, by copper locating piece along the circumference of retainer inner ring, equidistantly fixed welding copper positioning
Block;By the copper locating piece of welding, polished, polished;
Step 5: the flaw detection of the soldering opening of retainer:1st, it is observed under prerinse, drying and black light:By the acetone of 50%V/V and
Retainer with drying box is thoroughly dried, is observed under black light by the inorganic solvent on 50%V/V washes of absolute alcohol retainers surface
Unstressed configuration is answered to show;2nd, it permeates:Bleeding agent is sprayed on retainer welding position surface, in the environment for being 30 ° in temperature, infiltration
15 minutes;In the environment for being 20 ° in temperature, permeate 25 minutes;3rd, the bleeding agent on removal retainer surface:Under black light lamp, use
Spray gun pressure is 0.5Mpa, and water temperature is that 25 ° of clear water is cleaned, and scavenging period was controlled at 8 minutes;4th, it is dry:First use pressure
Compressed air for 0.12 Mpa, which removes the droplet on retainer surface, totally, is then put into the dry slot that drying temperature is 45 °
In, it is 5 minutes dry;5th, coloring observation developing:Dried retainer is placed in the developing slot that dusts equipped with magnesia, 30
It is taken out after minute, the weld defect of retainer is observed under black light lamp;
Step 6: it corrects retainer and three sections of retainers is welded into full circle:Retainer is subjected to school arc, smoothing, while by three
Section radian is welded into full circle for 120 ° of retainers;
Step 7: the polishing of three sections of retainer soldering openings:By the soldering opening of three sections of retainers, polish, keep soldering opening without
Burr, flat smooth, without scuffing;
Step 8: the periphery flaw detection of retainer:To being welded into the retainer of full circle in step 7, visited according to the infiltration in step 6
Hinder step, carry out carrying out flaw detection;
Step 9: the correction of retainer:School circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1
㎜ examines radian using model is rough milled;
Step 10: the finishing of retainer:Using vertical lathe smart car outer diameter, deburring;The pocket hole, interior of finish-milling retainer simultaneously
Diameter and copper locating piece;Examine the apparent size of retainer;The upper deviation of retainer outer diameter is -0.1 ㎜, and lower deviation is -0.5 ㎜,
The upper deviation of the internal diameter of retainer is+0.5 ㎜, and lower deviation is 0 ㎜, and the upper deviation of the height dimension of retainer is -0.1 ㎜, under
Deviation is -1.0 ㎜;The upper deviation of distance is -0.1 ㎜, retainer pocket hole and the spacing of outer diameter between retainer pocket hole and outer diameter
From lower deviation for -0.4 ㎜, the upper deviation of retainer pocket hole radial dimension and circumferential size is+0.3 ㎜, retainer pocket aperture
Be+0.1 ㎜ to the lower deviation of size and circumferential size, the radial dimension of upper deviation of copper locating piece is -0.2 ㎜, lower deviation for -
0.5㎜;
Step 11: the polishing of retainer:Outer diameter, pocket hole and copper locating piece to retainer carry out incline polishing, deburring,
Outer diameter, pocket hole and the copper locating piece surface for making retainer are smooth;
Step 12: examine the apparent size of retainer:According to the inspection mark for the apparent size that retainer is examined in step 11
Standard examines the apparent size of the outer diameter of retainer, internal diameter, pocket hole and copper locating piece;
Step 13: the welding of copper stabilizer blade, polishing:Copper stabilizer blade is welded in the inner circle of retainer, make soldering opening pore-free and
Crackle;It polishes the soldering opening of copper stabilizer blade, examines the finish of soldering opening outer surface, deburring makes smooth not scrape hand;
Step 14: the flaw detection of copper stabilizer blade:After the welding of copper stabilizer blade, polishing well in step 13, the flaw detection in step 5 is utilized
Method carries out penetrant inspection to copper stabilizer blade;
Step 15: the correction of finished product retainer and the inspection of apparent size:After the completion of all procedure of processings of retainer, to protecting
Holder school circle, smoothing are making retainer to be less than 0.5 ㎜ with operating platform gap;Simultaneously using apparent size in step 10
Test stone carries out finished product retainer the inspection of apparent size.
Claims (4)
1. a kind of processing method of integral type shield arbor bearing retainer, it is characterised in that:Step 1: segmentation blanking:First will
Retainer blank is laid flat, levels up, and gap is reserved below workpiece, in favor of aoxidizing the blowing of scum;With gas flame cuttiug blanking, according to
Drawing size single side high-volume 8 ㎜ is divided into three sections, to keep crooked radian be 120 ° to every section of bearing cage blank;Step 2: it keeps
The polishing spot welding link of device:Respectively by the retainer blank of gas flame cuttiug, polish, rib, deburring is gone to make the base of retainer
Expect that surface is smooth and do not scrape hand;By the retainer that three sections of curvature are 120 °, it is fixedly connected with the mode of spot welding;Step 3: it rough mills
Retainer internal diameter:According to the size requirement of art work sheet, internal diameter is rough milled;Make the surfacing of retainer, do not scratch;Step
4th, welding, the polishing of copper locating piece:Three sections of retainer micro-force sensings form circular holder, select the position of copper locating piece, processing
Copper locating piece welding groove, it is equidistantly fixed to weld copper locating piece by copper locating piece along the circumference of retainer inner ring;It will welding
Copper locating piece, polished, polished;Step 5: the flaw detection of the soldering opening of retainer:First to the soldering opening of retainer into
Then bleeding agent is sprayed on retainer welding position surface, further oozing retainer welding position surface by row prerinse
Saturating agent is removed totally, and the welding position of retainer further is dried processing, finally the defects of observation retainer soldering opening;
Step 6: it corrects retainer and three sections of retainers is welded into full circle:Retainer is subjected to school arc, smoothing, while by three sections of arcs
It spends and is welded into full circle for 120 ° of retainers;Step 7: the polishing of three sections of retainer soldering openings:By the soldering opening of three sections of retainers,
It polishes, keeps soldering opening impulse- free robustness, flat smooth, without scuffing;Step 8: the periphery flaw detection of retainer:To in step 7
The retainer of full circle is welded into, according to the penetrant inspection step in step 6, carries out carrying out flaw detection;Step 9: the school of retainer
Just:School circle, smoothing are carried out to retainer, the gap of retainer and operating platform is made to be less than 1 ㎜, arc is examined using model is rough milled
Degree;Step 10: the finishing of retainer:Using vertical lathe smart car outer diameter, deburring;The pocket hole, interior of finish-milling retainer simultaneously
Diameter and copper locating piece;Examine the apparent size of retainer;Step 11: the polishing of retainer:Outer diameter, pocket hole to retainer with
And copper locating piece carries out incline polishing, deburring, outer diameter, pocket hole and the copper locating piece surface for making retainer are smooth;Step 10
2nd, the apparent size of retainer is examined:According to the test stone for the apparent size that retainer is examined in step 11, examine and keep
The outer diameter of device, internal diameter, pocket hole and copper locating piece apparent size;Step 13: the welding of copper stabilizer blade, polishing:Copper stabilizer blade is welded
It is connected in the inner circle of retainer, makes soldering opening pore-free and crackle;The soldering opening of polishing copper stabilizer blade, examines soldering opening outer surface
Finish, deburring make smooth not scrape hand;Step 14: the flaw detection of copper stabilizer blade:The welding of copper stabilizer blade, polishing in step 13
After good, using the method for detection in step 5, penetrant inspection is carried out to copper stabilizer blade;Step 15: the correction of finished product retainer and
The inspection of apparent size:After the completion of all procedure of processings of retainer, to retainer school circle, smoothing, make retainer with operation
The gap of platform is less than 0.5 ㎜;Simultaneously using the test stone of apparent size in step 10, appearance ruler is carried out to finished product retainer
Very little inspection.
2. a kind of sawing method of hot rolled aluminium according to claim 1, it is characterised in that:Being cut with flame in step 1
Material is cut off, the Pureness control of combustion gas is 99.7% ~ 99.9%.
3. a kind of sawing method of hot rolled aluminium according to claim 1, it is characterised in that:Retainer in step 5
The method of detection of soldering opening is to be observed under 1, prerinse, drying and black light:By the acetone of 50%V/V and 50%V/V absolute ethyl alcohols
The inorganic solvent on retainer surface is cleaned, is thoroughly dried retainer with drying box, is observed under black light and unstressed configuration is answered to show;2、
Infiltration:Bleeding agent is sprayed on retainer welding position surface, in the environment for being 20 ~ 30 ° in temperature, is permeated 10 ~ 15 minutes;
Temperature is in 10 ~ 20 ° of environment, is permeated 20 ~ 25 minutes;3rd, the bleeding agent on removal retainer surface:Under black light lamp, spray gun is used
Pressure is 0.2 ~ 0.5Mpa, and water temperature is that 23 ~ 25 ° of clear water is cleaned, and scavenging period was controlled at 5 ~ 8 minutes;4th, it is dry:First use
The compressed air that pressure is 0.12 Mpa removes the droplet on retainer surface totally, and it is 35 ~ 45 ° to be then put into drying temperature
It is 3 ~ 5 minutes dry in dry slot;5th, coloring observation developing:Dried retainer is placed on the developing that dusts equipped with magnesia
It in slot, is taken out after 20 ~ 30 minutes, the weld defect of retainer is observed under black light lamp.
4. a kind of sawing method of hot rolled aluminium according to claim 1, it is characterised in that:Retainer outer diameter in step 10
The upper deviation for -0.1 ㎜, lower deviation is -0.5 ㎜, and the upper deviation of the internal diameter of retainer is+0.5 ㎜, and lower deviation is 0 ㎜, is kept
The upper deviation of the height dimension of device is -0.1 ㎜, and lower deviation is -1.0 ㎜;The upper deviation of distance between retainer pocket hole and outer diameter
For -0.1 ㎜, the lower deviation of distance is -0.4 ㎜, retainer pocket hole radial dimension and circumferential ruler between retainer pocket hole and outer diameter
The very little upper deviation is+0.3 ㎜, and the lower deviation of retainer pocket hole radial dimension and circumferential size is+0.1 ㎜, the diameter of copper locating piece
It is -0.2 ㎜ to the upper deviation of size, lower deviation is -0.5 ㎜.
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CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
CN116586925A (en) * | 2023-07-19 | 2023-08-15 | 山东金帝精密机械科技股份有限公司 | Large-scale bearing retainer production method, equipment and medium based on images |
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CN104723038A (en) * | 2015-03-23 | 2015-06-24 | 中航工业哈尔滨轴承有限公司 | Method for machining circular hole alloy steel cage with inner-and-outer double fore shafts |
CN104989730A (en) * | 2015-05-26 | 2015-10-21 | 大连金泰轴承制造有限公司 | Pressed cage for cylindrical roller bearing and manufacturing process thereof |
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US4106168A (en) * | 1976-03-26 | 1978-08-15 | Teleflex Incorporated | Method and apparatus for assembling a ball cage of the type utilized in a motion transmitting remote control assembly |
US20030019106A1 (en) * | 2001-04-22 | 2003-01-30 | Diamicron, Inc. | Methods for making bearings, races and components thereof having diamond and other superhard surfaces |
CN101913061A (en) * | 2010-07-30 | 2010-12-15 | 洛阳Lyc轴承有限公司 | Processing process of ball bag-shaped stainless steel retainer |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
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CN116586925A (en) * | 2023-07-19 | 2023-08-15 | 山东金帝精密机械科技股份有限公司 | Large-scale bearing retainer production method, equipment and medium based on images |
CN116586925B (en) * | 2023-07-19 | 2023-09-19 | 山东金帝精密机械科技股份有限公司 | Large-scale bearing retainer production method, equipment and medium based on images |
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