CN110159655B - Method for manufacturing molding type self-lubricating radial spherical plain bearing - Google Patents
Method for manufacturing molding type self-lubricating radial spherical plain bearing Download PDFInfo
- Publication number
- CN110159655B CN110159655B CN201910410411.0A CN201910410411A CN110159655B CN 110159655 B CN110159655 B CN 110159655B CN 201910410411 A CN201910410411 A CN 201910410411A CN 110159655 B CN110159655 B CN 110159655B
- Authority
- CN
- China
- Prior art keywords
- finished product
- outer ring
- semi
- inner ring
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
- F16C23/043—Sliding-contact bearings self-adjusting with spherical surfaces, e.g. spherical plain bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/40—Shaping by deformation without removing material
- F16C2220/48—Shaping by deformation without removing material by extrusion, e.g. of metallic profiles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a method for manufacturing a molding type self-lubricating radial spherical plain bearing, which comprises the following steps: processing an outer ring semi-finished product and an inner ring, wherein the outer ring semi-finished product is provided with a through hole, and the end part of the through hole is provided with a flange which is inwards convex in the radial direction; placing the inner ring into the through hole, extruding the outer ring semi-finished product, and enabling the flanges to be attached and contacted with the spherical surface of the inner ring through extrusion so as to position the outer ring semi-finished product through the inner ring; processing the outer revolution surface of the outer ring semi-finished product; processing the two ends of the semi-finished product of the outer ring to cut off the allowance, wherein the allowance at least comprises a flange; and filling a lubricating material into a cavity formed between the outer ring and the inner ring. It has the following advantages: the problem of the extrusion back because the cavity exists for the processing location bring the difficulty is solved, make the product axiality after the processing, symmetry have obtained guaranteeing to the precision of radial closure ratio t value and circumference closure ratio delta value of accurate control bearing.
Description
Technical Field
The invention relates to a manufacturing method of a radial spherical plain bearing, in particular to a manufacturing method of a molding type self-lubricating radial spherical plain bearing.
Background
The moulding self-lubricating layer radial spherical plain bearing is characterized by that a layer of low-friction, high-bearing and wear-resisting lubricating material which is not peeled from outer ring is placed in the cavity between inner ball of outer ring and outer spherical surface of inner ring, and when it is used, the inner ring can be flexibly swung, and has no need of lubrication. An important evaluation index of the molding type self-lubricating layer radial spherical plain bearing is the accuracy of a cavity for injecting a lubricating material, namely the radial tightness and the circumferential tightness. The radial tightness refers to a section which is cut along the axis of the inner ring and is vertical to the end surface of the outer ring, and a clearance value t (shown in figure 1) formed between the arc curve of the spherical surface of the inner ring of the outer ring and the arc curve of the spherical surface of the outer ring is formed; the circumferential fitting degree refers to a value t (figure 2) of a gap formed between an outer ring inner ring spherical surface arc curve and an inner ring outer ring spherical surface arc curve by radially splitting the bearing along the width center line of the outer ring. The conventional manufacturing methods of the self-lubricating radial spherical plain bearing of the molded type are described in CN201110361372.3, CN201710198042.4 and CN201310061370.1, and one of the conventional manufacturing methods comprises: step 1, processing an outer ring semi-finished product and an inner ring, wherein the outer ring semi-finished product is provided with a through hole; step 2, placing the inner ring into the through hole and extruding the outer ring semi-finished product, wherein a cavity is formed between the outer ring semi-finished product and the inner ring; step 3, processing the outer revolution surface of the outer ring semi-finished product; step 4, processing the two ends of the outer ring semi-finished product; and 5, filling a lubricating material into a cavity formed between the outer ring and the inner ring. Referring to fig. 4, the depth of the middle of the cavity formed between the outer ring semi-finished product and the inner ring is t, the depth of the mouth is t1, and t1 is not equal to t. Due to the existence of the cavity, the subsequent processing and positioning are difficult, so that the coaxiality and the symmetry of a processed product are poor, and the radial sealing ratio t value and the circumferential sealing ratio delta value of the bearing are poor in precision.
Disclosure of Invention
The invention provides a method for manufacturing a molding type self-lubricating radial spherical plain bearing, which overcomes the defects of the method for manufacturing the molding type self-lubricating radial spherical plain bearing in the background technology.
One of the technical schemes adopted by the invention for solving the technical problems is as follows:
a method of manufacturing a molded self-lubricating radial spherical plain bearing, comprising:
step 3, processing the outer revolution surface of the outer ring semi-finished product;
step 4, processing two ends of the outer ring semi-finished product to cut off allowance, wherein the allowance at least comprises a flange;
and 5, filling a lubricating material into a cavity formed between the outer ring and the inner ring.
In one embodiment: the through hole is provided with a matching hole section and two shrinkage hole sections which are respectively positioned at two ends of the matching hole section, the shrinkage hole sections correspond to the flanges, and the inner diameter of each shrinkage hole section is smaller than that of the end edge of each matching hole section relative to the axis of the inner ring.
In one embodiment: in step 1, the inner ring is provided with an axial through hole.
In one embodiment: in the step 4, a positioning mechanism is further arranged, the positioning mechanism comprises a bolt mechanism and a connecting ring, the bolt mechanism comprises a bolt and a nut, the connecting ring is sleeved outside the bolt and is arranged between the nut and the bolt head of the bolt, and the outer periphery of the connecting ring axially extends to form a propping ring; the bolt penetrates through the axial through hole of the inner ring, the locking nut enables the bolt head to abut against one end of the inner ring and the end face of the abutting ring to abut against one end, opposite to the bolt head, of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked through the positioning mechanism so as to machine a first end, facing the bolt head, of the outer ring semi-finished product, at least allowance is cut off, then the positioning mechanism is disassembled, and the positioning mechanism is reversely installed so as to machine a second end of the outer ring semi-finished product.
The second technical scheme adopted by the invention for solving the technical problems is as follows:
a method of manufacturing a molded self-lubricating radial spherical plain bearing, comprising:
step 3, processing the outer revolution surface of the outer ring semi-finished product;
and 4, processing two ends of the outer ring semi-finished product to cut off allowance, wherein the allowance at least comprises a flange.
In one embodiment: in step 1, the inner ring is provided with an axial through hole.
In one embodiment: in the step 4, a positioning mechanism is further arranged, the positioning mechanism comprises a bolt mechanism and a connecting ring, the bolt mechanism comprises a bolt and a nut, the connecting ring is sleeved outside the bolt and is arranged between the nut and the bolt head of the bolt, and the outer periphery of the connecting ring axially extends to form a propping ring; the bolt penetrates through the axial through hole of the inner ring, the locking nut enables the bolt head to abut against one end of the inner ring and the end face of the abutting ring to abut against one end, opposite to the bolt head, of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked through the positioning mechanism so as to machine a first end, facing the bolt head, of the outer ring semi-finished product, at least allowance is cut off, then the positioning mechanism is disassembled, and the positioning mechanism is reversely installed so as to machine a second end of the outer ring semi-finished product.
Compared with the background technology, the technical scheme has the following advantages:
the outer ring semi-finished product is provided with a through hole, the end part of the through hole is provided with a flange which is inwards convex in the radial direction, the outer ring semi-finished product is extruded, and the flange is attached to the spherical surface of the inner ring through the extrusion so as to position the outer ring semi-finished product through the inner ring. The bearing is easy to process, and the design method is strong in universality. The corresponding extrusion die cavity is simple in design, and only the process flange is enabled to be attached to the outer spherical surface of the inner ring after extrusion. After the flange is adopted, the clearance between the inner ring and the outer ring during finish machining of the outer ring can be eliminated, so that the coaxiality of the machined inner ring and the machined outer ring is good. The allowance of the end face can be easily removed, the allowance at least comprises a process flange, and the symmetry degree of the two end faces of the inner ring and the outer ring after processing is ensured.
Step 4, a positioning mechanism is arranged, the positioning mechanism comprises a bolt mechanism and a connecting ring, the bolt mechanism comprises a bolt and a nut, the connecting ring is sleeved outside the bolt and is arranged between the nut and the bolt head of the bolt, and the outer periphery of the connecting ring axially extends to form a propping ring; the bolt penetrates through the axial through hole of the inner ring, the locking nut enables the bolt head to abut against one end of the inner ring and abut against one end, opposite to the bolt head, of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked through the positioning mechanism, the first end of the equidirectional bolt head of the outer ring semi-finished product is machined, the allowance is cut off, then the positioning mechanism is disassembled, the second end of the outer ring semi-finished product is machined in a reverse installation mode, positioning is stable and reliable, accuracy controllability is improved, and part accuracy is improved.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a graph showing the radial contact ratio t of the molding type self-lubricating layer to the spherical plain bearing.
Fig. 2 is a graph showing the circumferential contact ratio δ value of the molding type self-lubricating layer to the spherical plain bearing.
Fig. 3 is a schematic structural view of a radial spherical plain bearing of a molding type self-lubricating layer.
FIG. 4 is a schematic structural diagram of an outer diameter of a semi-finished outer ring machined in the prior art.
FIG. 5 is a schematic diagram of a construction of an embodiment of an outer ring blank.
FIG. 6 is a schematic diagram of an embodiment of a mating configuration of an outer race half-product and an inner race.
FIG. 7 is a schematic view of the positioning of the first end of the machined outer ring blank according to one embodiment.
FIG. 8 is a schematic illustration of the positioning of the second end of the machined outer ring blank according to one embodiment.
Detailed Description
Referring to fig. 1 to 3, the molded self-lubricating radial spherical plain bearing includes an outer ring 1 and an inner ring 2, the outer ring 1 is provided with a through hole, the wall of the through hole is an inner spherical surface 11, the inner ring 2 has an outer spherical surface 21, the inner ring 2 is located in the through hole of the outer ring 1, a cavity is formed between the inner spherical surface 11 of the outer ring 1 and the outer spherical surface 21 of the inner ring 2, and a lubricating material 3 is injected into the cavity.
A method of manufacturing a molded self-lubricating radial spherical plain bearing, comprising:
step 3, please refer to fig. 6, the flange of the outer ring semi-finished product is attached to and contacted with the spherical surface of the inner ring so as to position the outer ring semi-finished product through the inner ring, and then the outer revolution surface of the outer ring semi-finished product is machined, for example, turning;
step 4, processing two ends of the outer ring semi-finished product to cut off allowance, wherein the allowance at least comprises a process flange to process the outer ring semi-finished product into an outer ring finished product;
and 5, filling a lubricating material into a cavity formed between the outer ring and the inner ring to form a bearing finished product.
In step 4, a positioning mechanism is further provided, the positioning mechanism includes a bolt mechanism and a connecting ring 41, the bolt mechanism includes a bolt 42 and a nut 43, the connecting ring 41 is sleeved outside the bolt 42 and is between the nut 43 and a bolt head 421 of the bolt 42, and an outer periphery of the connecting ring 41 axially extends to form a top abutting ring 411; referring to fig. 7, the bolt 42 passes through the axial through hole 21 of the inner ring 2, the lock nut 43 makes the bolt head 421 abut against one end of the inner ring 2 and the end surface of the abutting ring 411 abut against one end of the outer ring semi-finished product, which is opposite to the bolt head, the machined end is a first end of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked by the positioning mechanism, the first end of the bolt head in the same direction of the outer ring semi-finished product is machined, and a margin is cut off, the margin includes a process flange and an end of a matching hole section, then the positioning mechanism is disassembled, referring to fig. 8, and the second end of the outer ring semi-finished product is reversely installed to. The remaining portion of the fitting hole section 11' after cutting off the allowance constitutes the inner spherical surface 11 of the outer race 1.
In this embodiment: referring to fig. 3, in the finished bearing, the width of the outer ring 1 is H, the outer diameter of the outer ring 1 is D, the inner diameter of the axial through hole of the inner ring 2 is D, and the radius of the inner ring is R. Please refer to fig. 5, the outer ring halfThe outer diameter of the finished product is D1, the inner diameter of the matching hole section 11 'is D1, the inner diameter of the shrinkage cavity section is 2R, the width of the matching hole section 11' is H + (1-3mm), and the width of the shrinkage cavity section (the width of the flange) is 0.5-3 mm. The
The d 1-2R + cavity is of a predetermined depth.
In this embodiment: the process flange is introduced into the outer ring before extrusion, and the flange and the inner ring are in mutual extrusion contact when the die is closed by extrusion, so that the mouth of the outer ring is shaped, the ovality generated by the extruded outer ring is reduced, and the phenomenon that the gap of a cavity is uneven due to the fact that the outer ring is twisted is avoided. The process flange is introduced, so that the gap between the inner ring and the outer ring is eliminated, the outer diameter of the outer ring can be positioned and processed in a mode of positioning the axial through hole of the inner ring of the bearing, and the coaxiality of the final inner diameter of the inner ring and the outer diameter of the outer ring can be ensured. The structure after the process rib is introduced for extrusion is shown in fig. 6, a middle gap t still exists, but the opening part t1 does not exist, the spherical surfaces of the inner ring and the outer ring are tightly attached, and the processing and positioning are reliable.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. A method for manufacturing a molding type self-lubricating radial spherical plain bearing is characterized in that: the method comprises the following steps:
step 1, processing an outer ring semi-finished product and an inner ring, wherein the outer ring semi-finished product is provided with a through hole, and the end part of the through hole is provided with a flange which is inwards convex in the radial direction;
step 2, placing the inner ring into the through hole, extruding the outer ring semi-finished product, and enabling the flanges to be attached to and contacted with the spherical surface of the inner ring through extrusion so as to position the outer ring semi-finished product through the inner ring;
step 3, processing the outer revolution surface of the outer ring semi-finished product;
step 4, processing two ends of the outer ring semi-finished product to remove the allowance of the two ends, wherein the allowance at least comprises a flange;
and 5, filling a lubricating material into a cavity formed between the outer ring and the inner ring.
2. A method of manufacturing a self-lubricating radial spherical bearing of the moulding type according to claim 1, characterised in that: the through hole is provided with a matching hole section and two shrinkage hole sections which are respectively positioned at two ends of the matching hole section, the shrinkage hole sections correspond to the flanges, and the inner diameter of each shrinkage hole section is smaller than that of the end edge of each matching hole section relative to the axis of the inner ring.
3. A method of manufacturing a self-lubricating radial spherical bearing of the moulding type according to claim 1, characterised in that: in step 1, the inner ring is provided with an axial through hole.
4. A method of manufacturing a self-lubricating radial spherical bearing of the moulding type according to claim 3, characterised in that: in the step 4, a positioning mechanism is further arranged, the positioning mechanism comprises a bolt mechanism and a connecting ring, the bolt mechanism comprises a bolt and a nut, the connecting ring is sleeved outside the bolt and is arranged between the nut and the bolt head of the bolt, and the outer periphery of the connecting ring axially extends to form a propping ring; the bolt penetrates through the axial through hole of the inner ring, the locking nut enables the bolt head to abut against one end of the inner ring and the end face of the abutting ring to abut against one end, opposite to the bolt head, of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked through the positioning mechanism so as to machine a first end, facing the bolt head, of the outer ring semi-finished product, at least allowance is cut off, then the positioning mechanism is disassembled, and the positioning mechanism is reversely installed so as to machine a second end of the outer ring semi-finished product.
5. A method for manufacturing a molding type self-lubricating radial spherical plain bearing is characterized in that: the method comprises the following steps:
step 1, processing an outer ring semi-finished product and an inner ring, wherein the outer ring semi-finished product is provided with a through hole, and the end part of the through hole is provided with a flange which is inwards convex in the radial direction; the through hole is provided with a matching hole section and two shrinkage hole sections which are respectively positioned at two ends of the matching hole section, the shrinkage hole sections correspond to the flanges, the inner diameter of each shrinkage hole section is smaller than the inner diameter of the end edge of each matching hole section relative to the axis of the inner ring, and the matching hole section is provided with a lubricating layer;
step 2, placing the inner ring into the through hole, extruding the outer ring semi-finished product, and enabling the flanges to be attached to and contacted with the spherical surface of the inner ring through extrusion so as to position the outer ring semi-finished product through the inner ring;
step 3, processing the outer revolution surface of the outer ring semi-finished product;
and 4, processing two ends of the outer ring semi-finished product to cut off allowance, wherein the allowance at least comprises a flange.
6. A method of manufacturing a self-lubricating radial spherical bearing of the moulding type according to claim 5, characterised in that: in step 1, the inner ring is provided with an axial through hole.
7. A method of manufacturing a self-lubricating radial spherical bearing of the moulding type according to claim 6, characterised in that: in the step 4, a positioning mechanism is further arranged, the positioning mechanism comprises a bolt mechanism and a connecting ring, the bolt mechanism comprises a bolt and a nut, the connecting ring is sleeved outside the bolt and is arranged between the nut and the bolt head of the bolt, and the outer periphery of the connecting ring axially extends to form a propping ring; the bolt penetrates through the axial through hole of the inner ring, the locking nut enables the bolt head to abut against one end of the inner ring and the end face of the abutting ring to abut against one end, opposite to the bolt head, of the outer ring semi-finished product, the outer ring semi-finished product and the inner ring are positioned and locked through the positioning mechanism so as to machine a first end, facing the bolt head, of the outer ring semi-finished product, at least allowance is cut off, then the positioning mechanism is disassembled, and the positioning mechanism is reversely installed so as to machine a second end of the outer ring semi-finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410411.0A CN110159655B (en) | 2019-05-16 | 2019-05-16 | Method for manufacturing molding type self-lubricating radial spherical plain bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410411.0A CN110159655B (en) | 2019-05-16 | 2019-05-16 | Method for manufacturing molding type self-lubricating radial spherical plain bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159655A CN110159655A (en) | 2019-08-23 |
| CN110159655B true CN110159655B (en) | 2020-05-19 |
Family
ID=67631065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910410411.0A Active CN110159655B (en) | 2019-05-16 | 2019-05-16 | Method for manufacturing molding type self-lubricating radial spherical plain bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159655B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019216423A1 (en) * | 2019-10-24 | 2021-04-29 | Aktiebolaget Skf | Plain bearing and process for its manufacture |
| CN111059157B (en) * | 2019-12-13 | 2022-07-05 | 泉州市德源轴承实业有限公司 | Manufacturing method of external spherical bearing with seat |
| CN113983072B (en) * | 2021-11-10 | 2023-10-27 | 国家石油天然气管网集团有限公司 | Axial limiting device for torque shaft |
| CN114701122A (en) * | 2022-04-15 | 2022-07-05 | 福建龙溪轴承(集团)股份有限公司 | Molding die of molding type joint bearing |
| CN114737042B (en) * | 2022-04-18 | 2024-06-11 | 福建龙溪轴承(集团)股份有限公司 | High-frequency induction heat treatment device for outer spherical surface of inner ring of joint bearing |
| CN114749871B (en) * | 2022-04-19 | 2023-09-12 | 中国航发哈尔滨轴承有限公司 | Method for machining outer ring of large knuckle bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945930A (en) * | 1962-11-05 | 1964-01-08 | Southwest Products Co | Improvements in or relating to bearings and a method of making same |
| CN102401008A (en) * | 2011-07-08 | 2012-04-04 | 中国航空动力机械研究所 | Self-lubricating joint bearing, positioning device and positioning method thereof |
| CN102418745A (en) * | 2011-09-29 | 2012-04-18 | 台州科锦轴承有限公司 | Method for forming self-lubricating joint bearing and forming mold special for implementing same |
| CN103182399A (en) * | 2013-02-27 | 2013-07-03 | 燕山大学 | Whole outer-ring hole-pattern extrusion molding method for self-lubricating spherical plain bearing |
| CN104763741A (en) * | 2015-03-25 | 2015-07-08 | 新昌县明瑞关节轴承有限公司 | Knuckle bearing structure |
| CN105499298A (en) * | 2016-02-18 | 2016-04-20 | 航天精工股份有限公司 | Self-lubricating knuckle bearing extrusion forming mold and technology |
-
2019
- 2019-05-16 CN CN201910410411.0A patent/CN110159655B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945930A (en) * | 1962-11-05 | 1964-01-08 | Southwest Products Co | Improvements in or relating to bearings and a method of making same |
| CN102401008A (en) * | 2011-07-08 | 2012-04-04 | 中国航空动力机械研究所 | Self-lubricating joint bearing, positioning device and positioning method thereof |
| CN102418745A (en) * | 2011-09-29 | 2012-04-18 | 台州科锦轴承有限公司 | Method for forming self-lubricating joint bearing and forming mold special for implementing same |
| CN103182399A (en) * | 2013-02-27 | 2013-07-03 | 燕山大学 | Whole outer-ring hole-pattern extrusion molding method for self-lubricating spherical plain bearing |
| CN104763741A (en) * | 2015-03-25 | 2015-07-08 | 新昌县明瑞关节轴承有限公司 | Knuckle bearing structure |
| CN105499298A (en) * | 2016-02-18 | 2016-04-20 | 航天精工股份有限公司 | Self-lubricating knuckle bearing extrusion forming mold and technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110159655A (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110159655B (en) | Method for manufacturing molding type self-lubricating radial spherical plain bearing | |
| EP0151349B1 (en) | Composite helix seal | |
| US7478479B2 (en) | Manufacturing process for a cross-roller bearing with plug | |
| US6579012B2 (en) | Bearing ring | |
| US4691422A (en) | Method and apparatus for making ball and socket joints incorporating a slip liner | |
| US7025385B2 (en) | Coupling | |
| CN108857268B (en) | Machining process of high-abrasion-resistance oil pressure ejector rod | |
| US11759985B2 (en) | Insert-molded article and method for producing the same | |
| US5009123A (en) | Camshaft | |
| US4307866A (en) | Injection mold with floating stripper ring | |
| US3959872A (en) | Method for producing a core form to be employed in the molding of a ball joint bearing | |
| CN106050945B (en) | Thin-wall crossed roller bearing assembly process | |
| US3640592A (en) | Antifriction bearing with embedded race inserts | |
| GB2365499A (en) | Method for mounting bearing rings | |
| CN110131307B (en) | Method for manufacturing molding type self-lubricating spherical plain bearing | |
| US11992983B2 (en) | Method of manufacturing resin retainer having two annular sections | |
| CN210919550U (en) | Novel structure of oil-retaining bearing motor | |
| JP4042999B2 (en) | Manufacturing method of split type rolling bearing | |
| CN210344015U (en) | Chamfering-free cross shaft blank | |
| US6298880B1 (en) | Spool valve and manufacturing method therefor | |
| US20130118299A1 (en) | Cam follower for a ram of a necker machine and a method of manufacturing the same | |
| KR100234562B1 (en) | Method for the production of a groove on the journals of workpieces or ends of shafts or axles | |
| CN211715706U (en) | Injection molding gear | |
| CN212371640U (en) | Jig for machining precise semicircular stepped hole ring | |
| US20240149512A1 (en) | Multi-stage helical gear manufacturing apparatus and multi-stage helical gear manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |