CN109261880A - A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method - Google Patents
A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method Download PDFInfo
- Publication number
- CN109261880A CN109261880A CN201811114928.7A CN201811114928A CN109261880A CN 109261880 A CN109261880 A CN 109261880A CN 201811114928 A CN201811114928 A CN 201811114928A CN 109261880 A CN109261880 A CN 109261880A
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- Prior art keywords
- riveted
- numerical control
- large size
- extra large
- stepper motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000004826 seaming Methods 0.000 claims abstract description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 241000397426 Centroberyx lineatus Species 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 208000013935 Electric injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/08—Riveting by applying heat, e.g. to the end parts of the rivets to enable heads to be formed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of extra large size bearing cage pin riveted numerical control electric riveting machines, including hydraulic positioning and rivet weld seaming element, rotary table component, heating system and cooling system, further include digital control system；Extra large size bearing cage pin riveted numerical control electric riveting machine of the invention is controlled using digital control system, it is driven by stepper motor a and stepper motor b, workbench carries out longitudinal movement and rotary motion along lathe bed respectively, realizes workpiece movement and rotary index numerical control, and the single-ended unidirectional riveted of heating；Electronic thermo-head and riveter or so arrangement；The measures such as position can be adjusted using hollow circulation cooling mechanism and hydraulic cylinder up and down inside electronic thermo-head, to guarantee pillar riveted numerical control electric riveting machine high efficiency smooth working condition.Electric riveting machine of the invention has the characteristics that high degree of automation, processing quality stabilization, high production efficiency, low-loss and energy-saving.The labor intensity for simultaneously effective reducing operator improves bearing products total quality.
Description
Technical field
The invention belongs to be machined machine manufacturing field, it is related to a kind of extra large size bearing cage pin riveted numerical control electricity
Riveter.
Background technique
At present extra large size bearing pin-type cage riveted process mainly use low-voltage and high-current heated by electrodes, manually
The mode of adjustment carries out heating rivet welding.Its processing method is to move compression bar pressure electric heating head with hand, artificial to estimate rivet control
Temperature makes electronic thermo-head downlink riveted bearing retainer rivet when it can be with riveted, then through riveting head, after the completion of riveted, then
It manually resets electric heating head uplink, then manually adjusts retainer, carry out the riveted of next rivet.In the process, by
In not having the automatic rotary positioning apparatus of retainer on such retainer riveting equipment workbench, every riveted will once adjust holding
Rivet alignment riveting head is carried out riveting by the position of frame.During riveted, electric heating head connects with cage pin
Touching, so that the heated by electrodes mode of low-voltage and high-current occur, electric current is excessive, causes electric injury to retainer and roller often
Phenomenon influences bearing products quality, scrap of the product is caused when serious.Secondly, equipment is heated simultaneously using both ends, oil cylinder riveting is carried out
It closes, is easy to cause shaft column bending deformation, influences bearing products quality.
This processing method is affected by operator's technical level, and there are unstable product quality, energy consumption is high, works
The factor that intensity is big, production efficiency is low, production is at high cost is unfavorable for bearing products market competition.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is disclose a kind of extra large size bearing cage pin riveted numerical control
Lock seaming machine.
A kind of extra large size bearing cage pin riveted numerical control electric riveting machine, including hydraulic positioning and rivet weld seaming element, rotation
Table assembly, heating system and cooling system further include digital control system；
Wherein hydraulic positioning and rivet weld seaming element include bed body column, gliding mass, lead screw, hydraulic cylinder, riveter, handwheel, hydraulic oil pump
And hydraulic oil container, bed body column contain swallow-tail form slideway, and gliding mass is mounted on slideway, it can be moved up and down inside bed body column,
Gliding mass adjusts position by lead screw, and hydraulic cylinder is connected and fixed with gliding mass, passes through the position of the mobile adjusting hydraulic cylinder of gliding mass, riveter
It is installed on hydraulic cylinder front end, the hydraulic oil in hydraulic oil container is pumped into hydraulic cylinder and is recycled by hydraulic oil pump；
Rotary table component includes lathe bed, workbench, bearing, table drive lead screw, stepper motor a, stepper motor b, bed
Saddle, retarder etc., wherein workbench is a circular platform, and there is a central axis at center, and central axis is equipped with bearing a and bearing b, work
Make to connect a gear a below platform, gear a is meshed with gear b, and gear b is connected with stepper motor b and retarder, by retarder
Band moving gear b is rotated, and bearing c is connected below gear a, connects saddle below bearing c, and saddle is mounted on lathe bed, lathe bed installation
In on table drive lead screw, table drive lead screw is connected with stepper motor 1；
Heating system includes inductance box and electronic thermo-head, and cooling system includes refrigerator and cooling medium；
Digital control system accurately controls the sequence of movement of stepper motor a, stepper motor b, inductance box, hydraulic pump, cooler, completes axis
Hold cage pin riveted numerical control processing；
Lathe bed is formed by iron casting, through ageing treatment, is inlayed the steel guide rail that hardens, is provided stable support simultaneously for each component of lathe
Also ensure the stability that lathe is applicable in for a long time.
Inductance box electric energy and controls electronic thermo-head heating temperature for providing electronic thermo-head heating, can be provided for pillar 600 DEG C ~
900 DEG C of heating temperatures.
Electronic thermo-head uses hollow structure, hollow internal offer cooling medium circulation temperature lowering, and cooling system is provided by refrigerator
Stable coolant temperature, when medium temperature is more than 22 DEG C, digital control system be will call the police, and it is breakdown to effectively prevent electronic thermo-head
Phenomenon.
Stepper motor a drives workbench to vertically move along lathe bed by table drive lead screw.
Stepper motor b drives workbench to make rotating motion by rotary decelerator.
Electronic thermo-head heating method is not contact ultrahigh frequency eddy current heating.
Electronic thermo-head and riveter are that left and right is respectively arranged.
A kind of application method of extra large size bearing cage pin riveted numerical control electric riveting machine, step are as follows: by extra large size bearing
It is loaded after retainer centering on workbench, by mobile lead screw and gliding mass, so that hydraulic cylinder be driven to adjust riveter height, stepping
Motor a drives workbench and extra large size bearing retainer to vertically move along lathe bed by table drive lead screw, and workbench is moved
To riveted position, electric heating grease head highness is adjusted, by writing program in digital control system, then cooling unlatching, electronic thermo-head preheating are heated
First pillar of extra large size bearing retainer, after the completion of first pillar heating, stepper motor b and retarder rotary table,
Second pillar is moved at heating, while the first pillar carries out riveted below riveter, then proceeds by worktable rotary,
Third pillar, the second pillar of riveted are heated, until the last one pillar of riveted is completed, workbench retracts replacement workpiece.
Extra large size bearing cage pin riveted numerical control electric riveting machine of the invention is controlled using digital control system, by stepper motor
A and stepper motor b drives, and workbench carries out longitudinal movement and rotary motion along lathe bed, realizes workpiece movement and rotary index number
Controlization；The single-ended unidirectional riveted of heating；Electronic thermo-head and riveter or so arrangement；Riveted power is hydraulic type, by connecing for the prior art
The heating method of touch low-voltage and high-current is changed to not contact ultrahigh frequency eddy current heating method, idle loop in use inside electronic thermo-head
Cooling structure and hydraulic cylinder can adjust the measures such as position up and down, to guarantee pillar riveted numerical control electric riveting machine high efficiency smooth work shape
State.Electric riveting machine of the invention has the characteristics that high degree of automation, processing quality stabilization, high production efficiency, low-loss and energy-saving.Simultaneously
The labor intensity of operator is significantly reduced, bearing products total quality is improved.
Detailed description of the invention
Fig. 1: extra large size bearing cage pin riveted numerical control rivet weld side view of the invention.
Fig. 2: extra large size bearing cage pin riveted numerical control electric riveting machine front view of the invention.
Fig. 3: the hydraulic positioning of extra large size bearing cage pin riveted numerical control electric riveting machine of the invention and rivet weld seaming element knot
Structure schematic diagram.
Fig. 4: extra large size bearing cage pin riveted numerical control electric riveting machine rotary table modular construction signal of the invention
Figure.
The meaning respectively numbered in figure is as follows:
1, cooling system；2, bed body pedestal；3, electronic thermo-head；4, inductance box；5, bed body column；6, lead screw；7, hydraulic cylinder；8, especially big
Type bearing retainer；9, workbench；10, bearing c；11, table drive lead screw；12, stepper motor a；13, stepper motor b and
Retarder；14, hydraulic oil pump；15: gliding mass；16, hydraulic oil circulating system；17, riveter；18, workpiece prop head；19: handwheel；
20: screw；21: oil inlet；22: oil outlet；23: lathe bed；24: saddle；25: bearing b；26: bearing a；27: central axis；28: tooth
Take turns a；29: gear b.
Specific embodiment
Embodiment 1
In conjunction with attached drawing, the present invention is further described.
A kind of extra large size bearing cage pin riveted numerical control electric riveting machine, including hydraulic positioning and rivet weld seaming element, rotation
Table assembly, heating system and cooling system further include digital control system；
In conjunction with Fig. 1 and Fig. 3, hydraulic positioning and rivet weld seaming element include bed body column 5, gliding mass 15, lead screw 6, hydraulic cylinder 7, riveter
17, handwheel 19, hydraulic oil pump 14 and hydraulic oil container, bed body column 5 contain swallow-tail form slideway, and gliding mass 15 is mounted on slideway, can
It is moved up and down inside bed body column 5, gliding mass 15 adjusts position by lead screw 6, and hydraulic cylinder 7 is connected and fixed with gliding mass 15, passes through
The position of the mobile adjusting hydraulic cylinder 7 of gliding mass 15, riveter 17 are installed on the front end of hydraulic cylinder 7, and hydraulic oil pump 14 is by hydraulic oil container
In hydraulic oil be pumped into hydraulic cylinder and recycle；
According to Fig.4, rotary table component includes lathe bed 23, workbench 9, bearing a/b/c(26/25/10), workbench pass
Dynamic lead screw 11, stepper motor a 12, stepper motor b and retarder 13, saddle 24, wherein workbench 9 is a circular platform, in
The heart has a central axis 27, and bearing a 26 and bearing b 25 is housed at central axis 27, connects a gear a 28, tooth below workbench 9
Wheel a 28 is meshed with gear b 29, and gear b 29 is connected with stepper motor b and retarder 13, by retarder band moving gear b 29
It rotates, bearing c 10 is connected below gear a 28, connects saddle 24 below bearing c 10, saddle 24 is mounted on lathe bed 23, bed
Body 23 is installed on table drive lead screw 11, and table drive lead screw 11 is connected with stepper motor a 12；
Heating system includes inductance box and electronic thermo-head 3, and cooling system includes refrigerator and cooling medium；
Digital control system accurately controls the sequence of movement of stepper motor a, stepper motor b, inductance box, hydraulic oil pump, cooler, completes
Bearing retainer pillar riveted numerical control processing.
The application method of extra large size bearing cage pin riveted numerical control electric riveting machine, step are as follows: keep extra large size bearing
It is loaded after frame centering on workbench 9, by mobile lead screw 6 and gliding mass 15, so that hydraulic cylinder 7 is driven to adjust 17 height of riveter,
Stepper motor a 12 drives workbench 9 and extra large size bearing retainer 8 along the longitudinal shifting of lathe bed 23 by table drive lead screw 11
It is dynamic, workbench 9 is moved into riveted position, adjusts electric heating grease head highness, by writing program, cooling unlatching, electric heating in digital control system
Then 8 first pillars of extra large size bearing retainer are heated in first 3 preheating, after the completion of the heating of first pillar, stepper motor b and
13 rotary table 9 of accelerator, second pillar is moved at heating, while first pillar carries out riveted below riveter,
Worktable rotary is then proceeded by, third pillar, the second pillar of riveted are heated, until the last one complete pillar of riveted, work
Platform retracts replacement workpiece.
Such as press an electric riveting machine produced by the present invention, lathe important technological parameters: 1, platen diameter ￠ 1300mm；
2, maximum diamater of work ￠ 1200mm；3, workpiece maximum height 200mm；4,0-6T of master cylinder pressure；5, master cylinder stroke
100mm；6, the main shape 2500mm * 1790mm * 1560mm of lathe；7, stepper motor a--PN3.8KW15NM；8, stepper motor
b-- PN3.6KW18NM.The bearing retainer pillar riveted of 400 ~ 1200MM of diameter can be processed in the electric riveting machine, and panel height can be processed
It, can bearing retainer pillar below riveted≤30 for the bearing retainer pillar riveted of 100 ~ 200 mm.
Claims (6)
1. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine, it is characterised in that be combined by hydraulic positioning and rivet weld
Part, rotary table component, heating system and cooling system, further include digital control system；
Wherein hydraulic positioning and rivet weld seaming element include bed body column, gliding mass, lead screw, hydraulic cylinder, riveter, handwheel, hydraulic oil pump
And hydraulic oil container, bed body column contain swallow-tail form slideway, and gliding mass is mounted on slideway, it can be moved up and down inside bed body column,
Gliding mass adjusts position by lead screw, and hydraulic cylinder is connected and fixed with gliding mass, passes through the position of the mobile adjusting hydraulic cylinder of gliding mass, riveter
It is installed on hydraulic cylinder front end, the hydraulic oil in hydraulic oil container is pumped into hydraulic cylinder and is recycled by hydraulic oil pump；
Rotary table component includes lathe bed, workbench, bearing, table drive lead screw, stepper motor a, stepper motor b, bed
Saddle, retarder, wherein workbench is a circular platform, and there is a central axis at center, and central axis is equipped with bearing a and bearing b, work
A gear a is connected below platform, gear a is meshed with gear b, and gear b is connected with stepper motor b and retarder, by retarder band
Moving gear b rotation, the lower section gear a connect bearing c, connect saddle below bearing c, saddle is mounted on lathe bed, and lathe bed is installed on
On table drive lead screw, table drive lead screw is connected with stepper motor a；
Heating system includes inductance box and electronic thermo-head, and cooling system includes refrigerator and cooling medium；
Digital control system accurately controls the sequence of movement of stepper motor a, stepper motor b, inductance box, hydraulic pump, cooler, completes axis
Hold cage pin riveted numerical control processing.
2. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine as described in claim 1, it is characterised in that described
Lathe bed is formed by iron casting, through ageing treatment, is inlayed the steel guide rail that hardens, is provided stable support for each component of lathe while also protecting
The stability that lathe is applicable in for a long time is demonstrate,proved.
3. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine as described in claim 1, it is characterised in that described
Inductance box can provide 600 DEG C ~ 900 DEG C heating for providing electronic thermo-head heating electric energy and controlling electronic thermo-head heating temperature for pillar
Temperature.
4. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine as claimed in claim 1 or 3, it is characterised in that institute
Electronic thermo-head is stated using hollow structure.
5. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine as described in claim 1, it is characterised in that electric heating
Head and riveter are that left and right is respectively arranged.
6. a kind of extra large size bearing cage pin riveted numerical control electric riveting machine as described in claim 1-5 any claim
Application method is that will be loaded after extra large size bearing retainer centering on workbench using step, passes through mobile lead screw and cunning
Body, so that hydraulic cylinder be driven to adjust riveter height, stepper motor a drives workbench and especially big profile shaft by table drive lead screw
It holds retainer to vertically move along lathe bed, workbench is moved into riveted position, electric heating grease head highness is adjusted, by writing in digital control system
Program, cooling unlatching, electronic thermo-head preheating, then heats first pillar of extra large size bearing retainer, first pillar has heated
Cheng Hou, stepper motor b and retarder rotary table move to second pillar at heating, while the first pillar is under riveter
Fang Jinhang riveted, then proceeds by worktable rotary, heats third pillar, the second pillar of riveted, until riveted the last one
Pillar is completed, and workbench retracts replacement workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114928.7A CN109261880A (en) | 2018-09-25 | 2018-09-25 | A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114928.7A CN109261880A (en) | 2018-09-25 | 2018-09-25 | A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109261880A true CN109261880A (en) | 2019-01-25 |
Family
ID=65197969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114928.7A Pending CN109261880A (en) | 2018-09-25 | 2018-09-25 | A kind of extra large size bearing cage pin riveted numerical control electric riveting machine and its application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109261880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264535A (en) * | 2020-10-21 | 2021-01-26 | 八环轴承（长兴）有限公司 | Automatic hot riveting processing device and method for cylindrical roller bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619181A1 (en) * | 1976-04-30 | 1977-11-17 | Skf Kugellagerfabriken Gmbh | Rivet punch for split ball race cages - has stepping motor driven worm wheel to adjust punch moved by eccentric mechanism |
| WO1994000257A1 (en) * | 1992-06-25 | 1994-01-06 | Konstantinos Lattas | Electro-pneumatic and automatic apparatus for riveing sheet metal parts |
| CN2184500Y (en) * | 1993-12-18 | 1994-12-07 | 朱恒春 | Table electric riveter |
| CN201304511Y (en) * | 2008-10-23 | 2009-09-09 | 安阳鑫盛机床股份有限公司 | Drill lathe for numerical control bearing retainer |
| CN101856712A (en) * | 2009-04-11 | 2010-10-13 | 青岛华瑞汽车零部件有限公司 | Numerical control hydraulic riveting machine |
| JP3181427U (en) * | 2012-11-26 | 2013-02-07 | 株式会社中部プラントサービス | Bearing disassembly equipment |
| CN102989978A (en) * | 2012-11-08 | 2013-03-27 | 哈尔滨轴承集团公司 | Automatic electric riveting machine of bearing holder |
| CN205926859U (en) * | 2016-08-10 | 2017-02-08 | 浙江斯菱汽车轴承股份有限公司 | Automobile bearing's pressure equipment of riveting |
| CN205967257U (en) * | 2016-08-30 | 2017-02-22 | 常州市巨能自动化设备制造有限公司 | Automatic rivet hot machine of duplex position bearing retainer |
| CN209614109U (en) * | 2018-09-25 | 2019-11-12 | 西北轴承有限公司 | A kind of extra large size bearing cage pin riveted numerical control electric riveting machine |
-
2018
- 2018-09-25 CN CN201811114928.7A patent/CN109261880A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619181A1 (en) * | 1976-04-30 | 1977-11-17 | Skf Kugellagerfabriken Gmbh | Rivet punch for split ball race cages - has stepping motor driven worm wheel to adjust punch moved by eccentric mechanism |
| WO1994000257A1 (en) * | 1992-06-25 | 1994-01-06 | Konstantinos Lattas | Electro-pneumatic and automatic apparatus for riveing sheet metal parts |
| CN2184500Y (en) * | 1993-12-18 | 1994-12-07 | 朱恒春 | Table electric riveter |
| CN201304511Y (en) * | 2008-10-23 | 2009-09-09 | 安阳鑫盛机床股份有限公司 | Drill lathe for numerical control bearing retainer |
| CN101856712A (en) * | 2009-04-11 | 2010-10-13 | 青岛华瑞汽车零部件有限公司 | Numerical control hydraulic riveting machine |
| CN102989978A (en) * | 2012-11-08 | 2013-03-27 | 哈尔滨轴承集团公司 | Automatic electric riveting machine of bearing holder |
| JP3181427U (en) * | 2012-11-26 | 2013-02-07 | 株式会社中部プラントサービス | Bearing disassembly equipment |
| CN205926859U (en) * | 2016-08-10 | 2017-02-08 | 浙江斯菱汽车轴承股份有限公司 | Automobile bearing's pressure equipment of riveting |
| CN205967257U (en) * | 2016-08-30 | 2017-02-22 | 常州市巨能自动化设备制造有限公司 | Automatic rivet hot machine of duplex position bearing retainer |
| CN209614109U (en) * | 2018-09-25 | 2019-11-12 | 西北轴承有限公司 | A kind of extra large size bearing cage pin riveted numerical control electric riveting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264535A (en) * | 2020-10-21 | 2021-01-26 | 八环轴承（长兴）有限公司 | Automatic hot riveting processing device and method for cylindrical roller bearing |
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Application publication date: 20190125 |