CN106493523A - A kind of processing technique of steel alloy divergence type solid cage - Google Patents
A kind of processing technique of steel alloy divergence type solid cage Download PDFInfo
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- CN106493523A CN106493523A CN201611163640.XA CN201611163640A CN106493523A CN 106493523 A CN106493523 A CN 106493523A CN 201611163640 A CN201611163640 A CN 201611163640A CN 106493523 A CN106493523 A CN 106493523A
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- retainer
- hole
- processing
- external diameter
- allowance
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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
Abstract
A kind of processing technique of steel alloy divergence type solid cage, belongs to machining technology field.It is unqualified that the present invention solves the retainer external diameter that existing steel alloy divergence type solid cage processing technique is present, inside diameter surface roughness, and retainer external diameter and internal diameter machining accuracy are poor, the unstable problem of retainer dimension of inner and outer diameters.Step is as follows：Car shapes；Both ends of the surface are ground；Bore rivet hole；Latch；Marking；Mill external diameter；Whole in-car footpath and chamfering；Bore hole milling；Deburring, tear pin open；Milling cave；The second rivet angle of spot hole；Light is adornd；Cleaning；Flaw detection；Examine eventually；Silver-plated；Packaging.Processing of the present invention for steel alloy divergence type solid cage.
Description
Technical field
The present invention relates to a kind of processing technique of retainer, belongs to machining technology field.
Background technology
Rolling bearing rated speed is higher, and service life is longer, is the higher bearing of a class precision, especially deep-groove ball axle
It is the most commonly used type of purposes in rolling bearing to hold.Main building block one of of the retainer as bearing, to itself plus
The requirement of work precision also more and more higher.Especially for steel alloy divergence type solid cage, its processing technique directly affects which
Precision.
The conventional flowsheet of existing steel alloy divergence type solid cage is：Rough turn molding → quenched → thin car molding
→ bore outside rivet hole (the common driller) → angle of spot hole of falling rivet → latch → marking → drilling → fraising (common driller) → mill
Pin → milling cave (plain-milling machine) → angle of spot hole of falling rivet → light decorations → cleaning → end is torn in footpath → end in-car footpath → chamfering → deburring open
Inspection → silver-plated → packaging；Be will processing pocket hole procedure arrangement in mill external diameter operation, eventually before the operation of in-car footpath, now retainer
Inside and outside footpath surface is not complete, but interrupted surface, when external diameter operation is ground, it is found that faceted pebble degree and ovality are bad, outer
Footpath size is unstable；And there is the phenomenon of interrupted turning at in-car footpath eventually, there is car in inside diameter surface at pocket hole and add
Work chatter mark vestige, causes retainer presentation quality unqualified, as interrupted turning makes tool wear very fast and cutter work in-process
It is easy to produce tipping phenomenon, so directly affecting the stability of internal diameter size.There are a kind of any of the above described processing problems, all can
Cause product unrepairable and scrap, cause serious economic loss, be delayed date of delivery.
Content of the invention
The present invention be in order to solve retainer external diameter that existing steel alloy divergence type solid cage processing technique is present,
Inside diameter surface roughness is unqualified, and retainer external diameter and internal diameter machining accuracy are poor, and retainer dimension of inner and outer diameters is unstable to ask
Topic, and then there is provided a kind of processing technique of steel alloy divergence type solid cage.
The present invention for the solution technical scheme that adopts of above-mentioned technical problem is：
A kind of processing technique of steel alloy divergence type solid cage, step are as follows：
First, car shaping：Retainer carries out the processing that feeds intake using forging or bar, and the forging is annular workpieces, the rod
Expect for cylindrical workpiece；
A) using forging carry out feeding intake processing when, first by rough turn for workpiece shaping, then modifier treatment, last thin car shaping,
Concrete grammar is：
1st, the both ends of the surface of first rough turned piece, internal diameter, external diameter, fall in exterior angle, rough turn after the workpiece size that obtains be retainer
The allowance stayed by finished product is：External diameter 1.5～1.6mm of allowance, internal diameter 1.1～1.3mm of allowance, end face allowance 0.7～
0.8mm, then carries out modifier treatment to the workpiece after rough turn；
2nd, using amputation knife to modifier treatment after workpiece carry out cutting off two sections of parts becoming symmetrical；
3rd, to modifier treatment after two sections of parts carry out thin car shaping operation respectively, the thin car shaping operation to every section of part
Detailed process is：Thin car first end face, internal diameter and exterior angle in falling, then thin car second end face, external diameter and exterior angle in falling, thin car into
The every section of accessory size obtained after shape stays allowance for retainer finished product：External diameter 0.3～0.4mm of allowance, internal diameter allowance 0.5～
0.6mm, first end face and second end face 0.1～0.15mm of common allowance；
B) using bar carry out feeding intake processing when, the internal diameter and external diameter of bar are carried out thin car on numerical control bar machine directly
Shaping, carries out cutting off using amputation knife to the bar work after the shaping of thin car and becomes some sections of equal sized parts, will
The thin car both ends of the surface of each section of part after cut-out, after this step, every section of obtained accessory size stays processing for retainer finished product
Surplus：External diameter 0.3～0.4mm of allowance, internal diameter 0.5～0.6mm of allowance, both ends of the surface 0.1～0.15mm of common allowance；To on bar machine
Part after machining carries out modifier treatment, and any two sections of parts after cut-out can be combined and be processed as a split type holding
Frame；
2nd, both ends of the surface are ground：The both ends of the surface of every section of part after step one are ground using double-ended grinding machine, this operation
Allowance be 0.1mm～0.15mm, after processing, part end face size reaches retainer finished product face size；
3rd, rivet hole is bored：On digital controlled processing central machine tool, two sections of equal sized parts are stitched together, will be spelled
After two sections of parts fixations after connecing, two sections of parts being carried out unifying to process, rivet hole being bored using drill bit, the machine direction of drill bit hangs down
Straight in the contact surface of two sections of parts, then the first rivet angle of spot hole；
4th, latch：In the manual insertion rivet hole by pin, become retainer after two sections of part rivetings are combined together total
Body, then the processing of follow-up external diameter, internal diameter and pocket hole is carried out to which；
5th, marking：Engraved markings on retainer totality upper surface using pneumatic marking machine after riveted, this labelling
Particular location is the center-diameter of retainer internal diameter and external diameter；
Six：Mill external diameter：Eventually mill external diameter processing is totally carried out to the retainer after labelling in step 5, and allowance is 0.3
Retainer complement outside diameter is worked into retainer finished product outside dimension by～0.4mm, this operation；
7th, whole in-car footpath and chamfering：Allowance is 0.5～0.6mm, and retainer complement bore diameter is worked into guarantor by this operation
Hold and put up product internal diameter size；
8th, hole milling is bored：Pocket hole is bored using alloy tool steel bit on numerical control machining center, first pocket hole is carried out slightly using milling cutter
Processing, then polish is carried out, the pocket hole size obtained after polish is retainer finished product pocket hole size；
Nine：Deburring, tear pin open：The burr produced in the course of processing is removed using deburring cutter, then pin is pulled down, by essence
Two sections of parts after processing separately carry out further deburring process；
Tenth, milling cave：Retainer totality both ends of the surface difference milling rivet hole after pin is torn open, by two sections of parts point during milling cave
Other clamping, the central axis in the rivet hole and the central axes of rivet hole, the longitudinal section in the rivet hole is ladder
Shape structure；
11, fall the second rivet angle of spot hole；
12, light decorations；
13, clean；
14, detect a flaw；
15, examine eventually；
16, silver-plated；
17, pack.
The present invention is had the effect that compared with prior art：
1st, complete after the operation (boring hole milling) in processing pocket hole being arranged in mill external diameter operation, whole in-car footpath operation, this
When external diameter, internal diameter size be finished size, internal diameter, external diameter surface need not be reprocessed after processing pocket hole, it is to avoid inside and outside
The problem that footpath surface discontinuously processes.Compared with existing processing technique, internal diameter presentation quality reaches technological requirement and extends
The service life of process tool, it is to avoid process tool produces tipping phenomenon, makes processing dimension stable.And the processing base in pocket hole
Quasi- face is retained forever, not destroyed, is easy to subsequent detection pocket hole circumferential position to find benchmark machined surface when spending, existing plus
Work technological process is destroyed by the processing datum in pocket hole, can not find benchmark processing when circumferential position is spent in subsequent detection pocket hole
Face, causes pocket hole circumferential position degree unqualified, is easily caused final this batch of product and does and scraps process.
2nd, reduce the allowance in brill, hole milling operation, because retainer internal diameter, external diameter surface machined to end product rule
Very little, the wear rate of drill bit, milling cutter is greatly reduced, cutting-tool's used life is improve.
3rd, increased and grind two plane operations, improve the geometric accuracy and dimensional accuracy of plane to a certain extent, and
And plane is to process a machining benchmark surface in pocket hole, and the measurement datum of detection pocket hole phase mutual deviation, make pocket hole mutual
Difference increases, and the position in pocket hole is more accurate.
Description of the drawings
Main cross-sectional schematic diagrams of the Fig. 1 for rivet hole Special Fixture for Machining；
Fig. 2 is the main cross-sectional schematic diagram of the first workseat；
Schematic top plan views of the Fig. 3 for Fig. 2；
Fig. 4 is the schematic top plan view of the first cover plate；
Main cross-sectional schematic diagrams of the Fig. 5 for rivet hole Special Fixture for Machining；
Schematic top plan views of the Fig. 6 for second workpiece seat；
Fig. 7 for Fig. 6 A-A to cross-sectional schematic；
Fig. 8 is the schematic top plan view of the second cover plate；
B-B direction cross-sectional schematics of the Fig. 9 for Fig. 8；
Main cross-sectional schematic diagrams of the Figure 10 for retainer finished product；
Figure 11 for Figure 10 K to partial schematic diagram.
Specific embodiment
Specific embodiment one：Illustrate that present embodiment, a kind of steel alloy of present embodiment are separated in conjunction with Fig. 1～Figure 11
The processing technique of type solid cage, step are as follows：
First, car shaping：Retainer carries out the processing that feeds intake using forging or bar, and the forging is annular workpieces, the rod
Expect for cylindrical workpiece；
A) using forging carry out feeding intake processing when, first by rough turn for workpiece shaping, then modifier treatment, last thin car shaping,
Concrete grammar is：
1st, the both ends of the surface of first rough turned piece, internal diameter, external diameter, fall in exterior angle, rough turn after the workpiece size that obtains be retainer
The allowance stayed by finished product is：External diameter 1.5～1.6mm of allowance, internal diameter 1.1～1.3mm of allowance, end face allowance 0.7～
0.8mm, then carries out modifier treatment to the workpiece after rough turn；
2nd, using amputation knife to modifier treatment after workpiece carry out cutting off two sections of parts becoming symmetrical；
3rd, to modifier treatment after two sections of parts carry out thin car shaping operation respectively, the thin car shaping operation to every section of part
Detailed process is：Thin car first end face, internal diameter and exterior angle in falling, then thin car second end face, external diameter and exterior angle in falling, thin car into
The every section of accessory size obtained after shape stays allowance for retainer finished product：External diameter 0.3～0.4mm of allowance, internal diameter allowance 0.5～
0.6mm, first end face and second end face 0.1～0.15mm of common allowance；
B) using bar carry out feeding intake processing when, the internal diameter and external diameter of bar are carried out thin car on numerical control bar machine directly
Shaping, carries out cutting off using amputation knife to the bar work after the shaping of thin car and becomes some sections of equal sized parts, will
The thin car both ends of the surface of each section of part after cut-out, after this step, every section of obtained accessory size stays processing for retainer finished product
Surplus：External diameter 0.3～0.4mm of allowance, internal diameter 0.5～0.6mm of allowance, both ends of the surface 0.1～0.15mm of common allowance；To on bar machine
Part after machining carries out modifier treatment, and any two sections of parts after cut-out can be combined and be processed as a split type holding
Frame；
2nd, both ends of the surface are ground：The both ends of the surface of every section of part after step one are ground using double-ended grinding machine, this operation
Allowance be 0.1mm～0.15mm, after processing, part end face size reaches retainer finished product face size；
3rd, rivet hole is bored：On digital controlled processing central machine tool, two sections of equal sized parts are stitched together, will be spelled
After two sections of parts fixations after connecing, two sections of parts are carried out unifying to process, rivet hole 102, the processing side of drill bit is bored using drill bit
To the contact surface perpendicular to two sections of parts, then the first rivet angle of spot hole；
4th, latch：In the manual insertion rivet hole 102 by pin, after two sections of part rivetings are combined together, become retainer
Overall, then the processing of follow-up external diameter, internal diameter and pocket hole 101 is carried out to which；
5th, marking：Engraved markings on retainer totality upper surface using pneumatic marking machine after riveted, this labelling
Particular location is the center-diameter of retainer internal diameter and external diameter；
Six：Mill external diameter：Eventually mill external diameter processing is totally carried out to the retainer after labelling in step 5, and allowance is 0.3
Retainer complement outside diameter is worked into retainer finished product outside dimension by～0.4mm, this operation；
7th, whole in-car footpath and chamfering：Allowance is 0.5～0.6mm, and retainer complement bore diameter is worked into guarantor by this operation
Hold and put up product internal diameter size；
8th, hole milling is bored：Pocket hole 101 is bored using alloy tool steel bit on numerical control machining center, using milling cutter first to pocket hole 101
Roughing is carried out, then carries out polish, 101 size of pocket hole obtained after polish is 101 size of retainer finished product pocket hole；
Nine：Deburring, tear pin open：The burr produced in the course of processing is removed using deburring cutter, then pin is pulled down, by essence
Two sections of parts after processing separately carry out further deburring process；
Tenth, milling cave：Retainer totality both ends of the surface difference milling rivet hole 103 after pin is torn open, by two section zero during milling cave
Part distinguishes clamping, the central axis in the rivet hole 103 and the central axes of rivet hole 102, the rivet hole 103
Longitudinal section be trapezium structure；
11, fall the second rivet angle of spot hole；
12, light decorations；
13, clean；
14, detect a flaw；
15, examine eventually；
16, silver-plated；
17, pack.
To process after 101 operation of pocket hole (boring hole milling) is arranged in mill external diameter operation, whole in-car footpath operation and complete, now
External diameter, internal diameter size be finished size, need not reprocess internal diameter, external diameter surface after processing pocket hole 101, it is to avoid in,
The problem that external diameter surface is discontinuously processed, external diameter faceted pebble degree bring up to 0.003～0.005mm by 0.05 original～0.07mm, outward
Footpath ovality brings up to 0.003～0.005mm by 0.05 original～0.08mm, the control of outside dimension scattered error 0.004～
Between 0.007mm.
Rough turn, thin car shaping cutter for same is NC cutting tool, and the purpose of thin car shaping is to remove quenched rear steelframe
Discoloration, deformation, also uniform sizes, reduce work pieces process scattered error, further improve the effect such as processing precision of products；
Numerical control bar machine selected by present embodiment is numerical control bar machine HTC5050.
Specific embodiment two：Present embodiment is described in conjunction with Figure 11, for the retainer of external diameter≤40mm adopts bar
The retainer of processing, external diameter ＞ 40mm and internal diameter >=30mm of feeding intake is fed intake processing using forging.It is so designed that, if workpiece size mistake
Little can not break forging, bar can only be adopted.The advantage of forging can eliminate the internal flaw of part or blank；The shape of forging, chi
Very little good stability, and with higher comprehensive mechanical property；The sharpest edges of forging be good toughness, fibrous tissue rationally, forging
Between performance change little.Other compositions are identical with specific embodiment one with annexation.
Specific embodiment three：In step 3, selected drill bit is the high-speed steel drill containing cobalt, diameter range is 2～
2.05mm.It is so designed that, steel alloy material is not only hard but also viscous, after modifier treatment, hardness reaches 37～38HRC, rivet hole machined belongs to
Deep hole machining, the working depth in hole are 7～8 times of bore dia.It is easy to roll over drill bit during processing, the drill bit containing cobalt material has
High temperature resistant and the characteristic of abrasion performance, preferably, cutting edge is very sharp for toughness, can avoid viscous bits, the generation of built-up edge, be more suitable for processing
Some more viscous materials and difficult-to-machine material.Other compositions are identical with specific embodiment one or two with annexation.
Specific embodiment four：Present embodiment is described in conjunction with Fig. 5, the outside diameter in rivet hole 103 is in step 10
11.5mm, end diameter are 9.2mm.It is so designed that, manufacturability preferably, is easy to process, is easy to remove the burr produced during processing.
Other compositions are identical with specific embodiment three with annexation.
Specific embodiment five：Present embodiment is described in conjunction with Fig. 1～4, carries out boring 102 operation of rivet hole in step 3
In, carry out boring, the retainer of miller sequence totally fixes clamping in digital controlled processing central machine tool by rivet hole Special Fixture for Machining
On, the rivet hole Special Fixture for Machining includes the first workseat 1, the first cover plate 2 and the first bolt 3, first workseat 1
Including the positioning land 11 in the middle part of the first workseat 1 and it is co-axially located at 12 He of first boss at 1 two ends of the first workseat
Second boss 13,11 upper surface of positioning land offer annular groove 11-1 along positioning 11 circumferencial direction of land, position land 11
On annular groove 11-1 bottoms offer some first through hole 11-2 along its circumferencial direction, carry out boring, the retainer of miller sequence
Totally it is sleeved in first boss 12, and is pressed on above positioning land 11 by the first cover plate 2 and the first bolt 3, second is convex
Platform 13 is fixedly clamped on the workbench of numerical control machining center by chuck.It is so designed that, by the first bolt 3 and the first cover plate
Retainer is totally pressed on the first workseat 1 by 2 effect, and the lateral surface of the inner headed face of retainer and first boss 12 is matched somebody with somebody
Close, position 102 dead in line of rivet hole on the central axis and retainer finished product of some first through hole 11-2 in land 11.
Using this rivet hole Special Fixture for Machining, clamped one time can complete pocket hole 101 brill, rough mill, finish-milling processing work
Sequence, easy to loading and unloading, be conducive to operator to adjust, working (machining) efficiency is significantly improved.On retainer, the central axis in all pocket holes 101 encloses
With retainer totality inner headed face and end face positioning when processing into a full circle, make in central axis and the retainer inner circle of full circle
The axiality of heart axis meets technical requirements.Using this rivet hole Special Fixture for Machining, the machining accuracy of rivet hole 102 is improve
And the stability of 102 size of rivet hole.Other compositions and annexation and specific embodiment one, two or four are identical.
Specific embodiment six：Present embodiment is described in conjunction with Fig. 1, Fig. 4, is opened up along its axial direction on the first cover plate 2
There are U-shaped groove 2-1, the first bolt 3 to be located in U-shaped groove 2-1.It is so designed that, facilitates the assembly and disassembly of the first cover plate 2.Other compositions
Identical with specific embodiment five with annexation.
Specific embodiment seven：Present embodiment is described in conjunction with Fig. 5～9, carries out, in the operation of milling cave, carrying out milling in step 10
The part of rivet hole operation by rivet hole Special Fixture for Machining fix clamping on digital controlled processing central machine tool, the riveting
Nail cave Special Fixture for Machining includes the second cover plate 4, second workpiece seat 5, the first alignment pin 6, the second alignment pin 7 and the second bolt
8,
Second cover plate 4 is annular slab, and the periphery of the second cover plate 4 has been uniformly arranged some arc-shaped slot pass 4-1, the circle
The cross section of arc-shaped slot 4-1 is 102 dead in line of rivet hole of major arc, the axis of the arc-shaped slot pass 4-1 and part, the
Two positioning through hole 4-2 are offered along its axial direction on two cover plates 4, the upper surface of second workpiece seat 5 offers circular groove 5-1,
The bottom of the circular groove 5-1 offers center positioning hole 5-2, the first Blind locating holes 5-3 and two the second Blind locating holes 5-
, up and down just to arranging, the bottom of part is located at circular groove 5-1 for 4, two the second Blind locating holes 5-4 and two positioning through hole 4-2
Interior, part be located between the second cover plate 4 and second workpiece seat 5, the central axis of the second cover plate 4, the central axis of part and in
The central axes of heart location hole 5-2 are arranged, and on part a rivet hole 102 is just right up and down with the first Blind locating holes 5-3
Arrange, and positioned by the second alignment pin 7, the second cover plate 4 passes through two first for being installed in two positioning through hole 4-2 respectively
Alignment pin 6 is positioned, and part is fixedly clamped by the second bolt 8.
It is so designed that, during processing, first with the external diameter of part and end face Primary Location, part is horizontal using the second alignment pin 7
To being fixed on second workpiece seat 5, coaxial with rivet hole 102 to ensure the rivet hole 103 after processing, prevent to offset；
Then the second cover plate 4 is positioned laterally on second workpiece seat 5 using the first alignment pin 6 by the second cover plate 4 in the face pressure of part upper end
On, it is ensured that the axis of the arc-shaped slot pass 4-1 on the second cover plate 4 and 102 dead in line of rivet hole on part；Finally, second is used
Bolt 8 compresses the second cover plate 4 and tightens, and prevents the second cover plate 4 and loose-parts, affects processing dimension and precision.Other groups
Into identical with annexation and specific embodiment one, two, four or six.
Specific embodiment eight：In conjunction with Fig. 5 and Fig. 8 explanation present embodiments, two positioning through hole 4- on the second cover plate 4
2 are symmetrical arranged.It is so designed that, it is ensured that the positioning between the second cover plate 4 and second workpiece seat 5 is more accurate.Other constitute and are connected
Relation is identical with specific embodiment seven.
Specific embodiment nine：In conjunction with figure * explanation present embodiments, a kind of steel alloy divergence type entity of present embodiment
The processing technique of retainer, step are as follows：
First, car shaping：The processing that feeds intake is carried out using forging, the forging is annular workpieces；
First by rough turn for workpiece shaping, then modifier treatment, last thin car shape, and concrete grammar is：
1st, the both ends of the surface of first rough turned piece, internal diameter, external diameter, fall in exterior angle, rough turn after the workpiece size that obtains be：External diameter
Then two sections of parts after rough turn are adjusted by 47.5～47.7mm, 35.4～35.55mm of internal diameter, 18.8～19mm of panel height
Matter process；
2nd, using amputation knife to modifier treatment after workpiece carry out cutting off two sections of parts becoming symmetrical, per section zero after cut-out
The panel height of part is 7.9～8mm (panel height is the distance between both ends of the surface herein)；
3rd, to modifier treatment after two sections of parts carry out thin car shaping operation respectively, the thin car shaping operation to every section of part
Detailed process is：Thin car first end face, internal diameter and exterior angle in falling, then thin car second end face, external diameter and exterior angle in falling, thin car into
The every section of accessory size obtained after shape is：46.3～46.4mm of external diameter, 36.9～37mm of internal diameter, 7.2～7.3mm of panel height；
2nd, both ends of the surface are ground：The both ends of the surface of every section of part after step one are ground using double-ended grinding machine, this operation
The part panel height for obtaining afterwards is 6.98～7mm, and after processing, part end face size reaches retainer finished product face size；
3rd, rivet hole is bored：On digital controlled processing central machine tool, two sections of equal sized parts are stitched together, will be spelled
After two sections of parts fixations after connecing, two sections of parts are carried out unifying to process, rivet hole 102, the processing side of drill bit is bored using drill bit
To the contact surface perpendicular to two sections of parts, the 102 a diameter of 2～2.05mm of rivet hole for obtaining, then the first rivet angle of spot hole,
The width at angle is 0.3mm to the maximum；
4th, latch：In the manual insertion rivet hole 102 by pin, after two sections of part rivetings are combined together, become retainer
Overall, then the processing of follow-up external diameter, internal diameter and pocket hole 101 is carried out to which；
5th, marking：Engraved markings on retainer totality upper surface using pneumatic marking machine after riveted, this labelling
Particular location is the center-diameter of retainer internal diameter and external diameter；
Six：Mill external diameter：Eventually mill external diameter processing is totally carried out to the retainer after labelling in step 5, and the retainer for obtaining is total
External footpath is 45.95～45.9mm, and retainer complement outside diameter is worked into retainer finished product outside dimension by this operation；
7th, whole in-car footpath and chamfering：The retainer complement bore diameter obtained after whole car is 37.5～37.57mm, and this operation will
Retainer complement bore diameter is worked into retainer finished product internal diameter size；
8th, hole milling is bored：Pocket hole 101 is bored using alloy tool steel bit on numerical control machining center, 101 size of pocket hole for obtaining is
9.7～9.8mm, first carries out roughing to pocket hole 101 using milling cutter, then carries out polish, and the pocket hole 101 obtained after polish is straight
Footpath 10～10.1mm of size is 101 size of retainer finished product pocket hole；
Nine：Deburring, tear pin open：The burr produced in the course of processing is removed using deburring cutter, then pin is pulled down, by essence
Two sections of parts after processing separately carry out further deburring process；
Tenth, milling cave：Retainer totality both ends of the surface difference milling rivet hole 103 after pin is torn open, by two section zero during milling cave
Part distinguishes clamping, the central axis in the rivet hole 103 and the central axes of rivet hole 102, the rivet hole 103
Longitudinal section be trapezium structure, concrete size is 11.4～11.6mm for the outside diameter in rivet hole 103, and end diameter is
9.1～9.3mm, acupoint depth are 5.7～5.8mm；
11, second rivet angle of spot hole fallen, and the width of chamfering is 0.3mm to the maximum；
12, light decorations；
13, clean；
14, detect a flaw；
15, examine eventually；
16, silver-plated；
17, pack.
Claims (8)
1. a kind of processing technique of steel alloy divergence type solid cage, it is characterised in that：Step is as follows：
First, car shaping：Retainer carries out the processing that feeds intake using forging or bar, and the forging is annular workpieces, and the bar is
Cylindrical workpiece；
A) using forging carry out feeding intake processing when, first by rough turn for workpiece shaping, then modifier treatment, last thin car shaping, specifically
Method is：
1st, the both ends of the surface of first rough turned piece, internal diameter, external diameter, fall in exterior angle, rough turn after the workpiece size that obtains be retainer finished product
The allowance for being stayed is：External diameter 1.5～1.6mm of allowance, internal diameter 1.1～1.3mm of allowance, end face 0.7～0.8mm of allowance, so
Modifier treatment is carried out to the workpiece after rough turn afterwards；
2nd, using amputation knife to modifier treatment after workpiece carry out cutting off two sections of parts becoming symmetrical；
3rd, to modifier treatment after two sections of parts carry out thin car shaping operation respectively, the thin car shaping operation to every section of part is concrete
Process is：Thin car first end face, internal diameter and exterior angle in falling, then thin car second end face, external diameter and exterior angle in falling, after thin car shaping
The every section of accessory size for obtaining stays allowance for retainer finished product：External diameter 0.3～0.4mm of allowance, internal diameter allowance 0.5～
0.6mm, first end face and second end face 0.1～0.15mm of common allowance；
B) using bar carry out feeding intake processing when, directly on numerical control bar machine by the internal diameter and external diameter of bar carry out thin car into
Shape, carries out cutting off using amputation knife to the bar work after the shaping of thin car and becomes some sections of equal sized parts, will cut
The thin car both ends of the surface of each section of part having no progeny, after this step, every section of obtained accessory size stays processing remaining for retainer finished product
Amount：External diameter 0.3～0.4mm of allowance, internal diameter 0.5～0.6mm of allowance, both ends of the surface 0.1～0.15mm of common allowance；To adding on bar machine
Part after the completion of work carries out modifier treatment, and any two sections of parts after cut-out can be combined and be processed as a split type holding
Frame；
2nd, both ends of the surface are ground：The both ends of the surface of every section of part after step one are ground using double-ended grinding machine, this operation plus
Balance of 0.1mm～the 0.15mm of work, after processing, part end face size reaches retainer finished product face size；
3rd, rivet hole is bored：On digital controlled processing central machine tool, two sections of equal sized parts are stitched together, after splicing
Two sections of parts fixations after, two sections of parts are carried out unifying to process, using drill bit bore rivet hole (102), the machine direction of drill bit
Perpendicular to the contact surface of two sections of parts, then the first rivet angle of spot hole；
4th, latch：By hand pin is inserted in rivet hole (102), becomes retainer after two sections of part rivetings are combined together total
Body, then the processing of follow-up external diameter, internal diameter and pocket hole (101) is carried out to which；
5th, marking：Using pneumatic marking machine after riveted retainer totality upper surface on engraved markings, this labelling concrete
Position is the center-diameter of retainer internal diameter and external diameter；
Six：Mill external diameter：Eventually mill external diameter processing totally carried out to the retainer after labelling in step 5, allowance is 0.3～
Retainer complement outside diameter is worked into retainer finished product outside dimension by 0.4mm, this operation；
7th, whole in-car footpath and chamfering：Allowance is 0.5～0.6mm, and retainer complement bore diameter is worked into retainer by this operation
Finished product internal diameter size；
8th, hole milling is bored：Pocket hole (101) is bored using alloy tool steel bit on numerical control machining center, using milling cutter first to pocket hole (101)
Roughing is carried out, then carries out polish, pocket hole (101) size obtained after polish is retainer finished product pocket hole (101) size；
Nine：Deburring, tear pin open：The burr produced in the course of processing is removed using deburring cutter, then pin is pulled down, by polish
Two sections of parts afterwards separately carry out further deburring process；
Tenth, milling cave：Retainer totality both ends of the surface difference milling rivet hole (103) after pin is torn open, by two sections of parts during milling cave
The central axes of difference clamping, the central axis of rivet hole (103) and rivet hole (102), the rivet hole
(103) longitudinal section is trapezium structure；
11, fall the second rivet angle of spot hole；
12, light decorations；
13, clean；
14, detect a flaw；
15, examine eventually；
16, silver-plated；
17, pack.
2. the processing technique of a kind of steel alloy divergence type solid cage according to claim 1, it is characterised in that：For
The retainer of external diameter≤40mm using bar feed intake processing, external diameter ＞ 40mm and internal diameter >=30mmr retainer using forging throw
Material processing.
3. the processing technique of a kind of steel alloy divergence type solid cage according to claim 1 and 2, it is characterised in that：
In step 3, selected drill bit is the high-speed steel drill containing cobalt, and diameter range is 2～2.05mm.
4. the processing technique of a kind of steel alloy divergence type solid cage according to claim 3, it is characterised in that：Step
In ten, the outside diameter of rivet hole (103) is 11.5mm, and end diameter is 9.2mm.
5. the processing technique of a kind of steel alloy divergence type solid cage according to claim 1,2 or 4, its feature exist
In：Carry out in step 3 in brill rivet hole (102) operation, carry out boring, the retainer of miller sequence totally special by rivet hole machined
Clamping is fixed on digital controlled processing central machine tool with fixture, the rivet hole Special Fixture for Machining include the first workseat (1),
One cover plate (2) and the first bolt (3), the first workseat (1) include the positioning land in the middle part of the first workseat (1)
(11) and the first boss (12) and second boss (13) at the first workseat (1) two ends are co-axially located at, in positioning land (11)
End face offers annular groove (11-1) along positioning land (11) circumferencial direction, positions the annular groove (11-1) in land (11)
Bottom offers some first through hole (11-2) along its circumferencial direction, carries out boring, the retainer of miller sequence is totally sleeved on first
On boss (12), and it is pressed on above positioning land (11) by the first cover plate (2) and the first bolt (3), second boss (13)
It is fixedly clamped on the workbench of numerical control machining center by chuck.
6. the processing technique of a kind of steel alloy divergence type solid cage according to claim 5, it is characterised in that：First
U-shaped groove (2-1) is offered along its axial direction on cover plate (2), the first bolt (3) is located in U-shaped groove (2-1).
7. the processing technique of a kind of steel alloy divergence type solid cage according to claim 1,2,4 or 6, its feature exist
In：Carry out in step 10 in the operation of milling cave, the part for carrying out milling rivet hole operation is solid by rivet hole Special Fixture for Machining
Clamping is determined on digital controlled processing central machine tool, rivet hole Special Fixture for Machining includes the second cover plate (4), second workpiece seat
(5), the first alignment pin (6), the second alignment pin (7) and the second bolt (8),
Second cover plate (4) is annular slab, and the periphery of the second cover plate (4) has been uniformly arranged some arc-shaped slot pass (4-1), described
The cross section of arc-shaped slot pass (4-1) is rivet hole (102) axle of major arc, the axis of arc-shaped slot pass (4-1) and part
Line overlaps, and offers two positioning through hole (4-2) along its axial direction on the second cover plate (4), and the upper surface of second workpiece seat (5) opens up
The bottom for having circular groove (5-1), circular groove (5-1) offers center positioning hole (5-2), the first Blind locating holes (5-
3) He two the second Blind locating holes (5-4), two the second Blind locating holes (5-4) are with two positioning through hole (4-2) up and down just to setting
Put, the bottom of part is located in circular groove (5-1), and part is located between the second cover plate (4) and second workpiece seat (5), second
The central axes of the central axis of cover plate (4), the central axis of part and center positioning hole (5-2) are arranged, on part
One rivet hole (102) and the first Blind locating holes (5-3) are up and down just to arranging, and are positioned by the second alignment pin (7), the second lid
Plate (4) is positioned by two the first alignment pins (6) being installed in two positioning through hole (4-2) respectively, and part passes through the second spiral shell
Bolt (8) is fixedly clamped.
8. the processing technique of a kind of steel alloy divergence type solid cage according to claim 7, it is characterised in that：Second
Two positioning through hole (4-2) on cover plate (4) are symmetrical arranged.
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