JP2005238416A - Apparatus and method for mounting component - Google Patents

Apparatus and method for mounting component Download PDF

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Publication number
JP2005238416A
JP2005238416A JP2004054435A JP2004054435A JP2005238416A JP 2005238416 A JP2005238416 A JP 2005238416A JP 2004054435 A JP2004054435 A JP 2004054435A JP 2004054435 A JP2004054435 A JP 2004054435A JP 2005238416 A JP2005238416 A JP 2005238416A
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JP
Japan
Prior art keywords
tool
workpiece
reaction force
press
fitting
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Pending
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JP2004054435A
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Japanese (ja)
Inventor
Shinji Hishioka
Shoichi Murakami
正一 村上
伸二 菱岡
Original Assignee
Toyota Motor Corp
トヨタ自動車株式会社
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Filing date
Publication date
Application filed by Toyota Motor Corp, トヨタ自動車株式会社 filed Critical Toyota Motor Corp
Priority to JP2004054435A priority Critical patent/JP2005238416A/en
Publication of JP2005238416A publication Critical patent/JP2005238416A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus mounting a component by selecting a plurality of tools, which flexibly copes with the integration, division, and modification of processes. <P>SOLUTION: An outer race press fitting tool 8 and a bearing press fitting tool 9 are mounted to a tool magazine 17 of a tool changer 13. A selected tool is removed from the tool magazine 17 and is moved to a mounting position on a workpiece W by moving a slider 21. A required process is carried out by operating the selected tool. Because a reaction force in press fitting outer races 29, 30 into the workpiece W is received by an operation rod 34 of a press fitting cylinder 33, and the outer race press fitting tool 8 does not apply the reaction force in press fitting outer races 29, 30 into the workpiece W to the tool changer 13 side, the strength and stiffness of the tool changer 13 side against the reaction force are set to be lower. By this configuration, the tool changer 13 is standardized regardless of kinds of tools to be mounted, and copes with the integration, division, and modification of processes. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a component assembling apparatus and a component assembling method that enable process integration in a component assembling process of an automobile engine, a transmission, and the like using a plurality of replaceable tools.
  For example, in an assembly line of an automobile transmission, processes such as bearing press fitting, spline press fitting, snap ring assembly, and bearing shim selection measurement are generally performed by an automatic machine. Since these processes have various requirements such as work contents, press-fit thrust, and measurement accuracy, an automatic machine having a configuration, equipment rigidity, and accuracy suitable for each process is used.
  For example, the bearing press-fitting device requires a press-fitting thrust of 1 to 3 tons, and therefore requires very high equipment rigidity. Therefore, for example, as shown in FIG. 12, the conventional bearing press-fitting device 1 generates a press-fitting thrust and a transmission case W (work) into which the bearing B is press-fitted by a main body 2 having a C-shaped column structure. The hydraulic cylinder 3 is supported. The main body 2 of this column structure is large, and the hydraulic unit 4 (hydraulic power source) and the control panel 5 are separated to ensure the necessary rigidity, and the installation space is very large.
  As described above, since an automatic machine that performs each process is required to have an equipment structure corresponding to a press-fit thrust, measurement accuracy, and the like according to equipment rigidity and function, most of them are dedicated structures. For this reason, it is difficult to consolidate processes. Regardless of the production scale, the assembly line is large-scale with a large number of dedicated machines, and it is almost impossible to transfer equipment and change processes between processes. When changing products, it is necessary to move and replace the entire equipment.
On the other hand, in the field of machining, process integration is possible with a machining center equipped with an automatic tool changer (ATC). However, in the field of component assembly, there are restrictions as described above, and process integration is possible. Has become very difficult. Therefore, in order to achieve process integration in the field of component assembly, for example, in Patent Document 1, a plurality of press-fitting tools held by a rotating disk-shaped tool holder are appropriately replaced, and the posture of the workpiece is changed, A parts assembling apparatus including an automatic tool changer that press-fits parts by a press-fitting cylinder is disclosed.
JP 2001-1219 A
  However, in the method described in Patent Document 1, the executable process is limited to the press-fitting process, and the reaction force caused by the thrust of the hydraulic cylinder at the time of press-fitting is supported by the apparatus main body. In the same manner as the above, it is necessary to increase the rigidity of the apparatus main body, and there is still a problem that the apparatus is enlarged.
  The present invention has been made in view of the above points, and is simple, capable of executing various processes, and capable of flexibly responding to process aggregation, division, and change, and component assembly It aims to provide a method.
In order to solve the above-mentioned problem, the invention according to claim 1 is that a plurality of tools are mounted on a tool magazine of a tool changer, and the plurality of tools are sequentially selected and operated to set a part on a workpiece. A component assembling apparatus that executes a plurality of processes including attachment, wherein the tool receives a reaction force generated between the tool and a workpiece by executing the process in the tool and does not act on the tool changer side It is characterized by becoming.
According to a second aspect of the present invention, there is provided the component assembling apparatus according to the first aspect, wherein the tool receives the reaction force by a reaction force receiving member penetrating the workpiece.
According to a third aspect of the present invention, there is provided the component assembling apparatus according to the first aspect, wherein the tool receives the reaction force by a reaction force receiving member that holds the workpiece from the outside.
According to a fourth aspect of the present invention, a plurality of tools are mounted on a tool magazine of a tool changer, and the plurality of tools are sequentially selected and operated to execute a plurality of steps including assembly of parts to a workpiece. A method for assembling a part, wherein the tool has a structure in which a reaction force generated between the tool and a workpiece by executing the process is received in the tool and does not act on the tool changer side. .
According to a fifth aspect of the present invention, in the component assembling method according to the fourth aspect, the tool receives the reaction force by a reaction force receiving member penetrating the workpiece.
According to a sixth aspect of the present invention, in the component assembling method according to the fourth aspect, the tool receives the reaction force by a reaction force receiving member that holds the workpiece from the outside.
  According to the component assembling apparatus and the component assembling method according to the present invention, a plurality of steps can be executed by sequentially selecting and operating a plurality of tools. Therefore, the strength and rigidity on the tool changer side can be set low with respect to the reaction force.
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in FIGS. 1 and 2, the assembling apparatus 6 according to this embodiment includes an assembling standard machine 7 and a plurality of interchangeable tools attached to the assembling standard machine 7. The assembling standard machine 7 is equipped with three tools: an outer race press-fitting tool 8, a bearing press-fitting tool 9, and a shim selection measurement tool 10 (see FIG. 2).
  The assembly standard machine 7 is housed in the bed 11 having a hollow bed 11, a work transfer device 12 disposed adjacent to the bed 11, a tool changer 13 standing on the bed 11, and the bed 11. A drawer-type control panel 14 and a power unit 15 (see FIG. 2) attached to the bed 11 are provided.
  The bed 11 is a frame structure made of a pipe material or the like, and a space for accommodating the control panel 14 is formed therein. The workpiece transfer device 12 carries the workpiece W on which parts such as bearings are assembled into a predetermined assembly position, positions the workpiece W, and then unloads the assembly. The workpiece W posture can be changed as necessary. Is used. The power unit 15 is for supplying power such as hydraulic pressure, air pressure, and electric power to the tool changer 13 and tools such as the outer race press-in tool 8, the bearing press-in tool 9, and the shim selection measurement tool 10 selected by the tool changer 13. . The control panel 14 supplies control signals to the power unit 15, the tool changer 13, and the tool selected thereby to control the operation thereof, and is housed in a space in the bed 11 so that it can be pulled out. Has been.
  In the tool changer 13, a disk-shaped tool magazine 17 is attached to an upper part of a main body frame 16 erected on the bed 11 so as to be rotatable in the horizontal direction. As shown in FIGS. 4 to 6, the tool magazine 17 is provided with eight substantially H-shaped attachment openings 18 on the outer periphery, and the substantially H-shaped attachment openings 18 attached to the tool side are provided in the attachment openings 18. Each tool is suspended and held by inserting and engaging the holding block 19. A rectangular notch 18 </ b> A is formed in the mounting opening 18 on the outer peripheral side of the tool magazine 17. The holding block 19 has a substantially H-shaped planar shape that can be inserted into the mounting opening 18, and horizontal grooves 19 </ b> A are formed on the protruding portions on both sides thereof. Then, after the holding block 19 is inserted into the mounting opening 18 as shown in FIG. 5A, the holding block 19 is moved to the notch 18A side as shown in FIG. , The holding block 19 is locked to the mounting opening 18, and the tool can be suspended and held on the tool magazine 17. Further, as shown in FIG. 5A, the holding block 19 can be released from the mounting opening 18 by releasing the locking by moving it to the inner peripheral side of the tool magazine 17.
The tool magazine 17 is provided with a stopper (not shown) for preventing the tool from inadvertently dropping by constantly urging the holding block 19 locked to the mounting opening 18 toward the notch 18A. The tool can be removed from the tool magazine 17 by moving the holding block 19 to the inner peripheral side of the tool magazine 17 against the spring force of the stopper.
The tool magazine 17 is rotated by a motor 20, and the rotation position of each mounting opening 18 can be determined by a control signal from the control panel 14, so that the selected tool can be positioned at a predetermined position on the conveying device 12 side. It has become.
  Below the tool magazine 17, a slide unit 21 is provided on the workpiece transfer device 12 side. The slide unit 21 is guided by the guide bar 22 so as to be movable along the vertical direction, and is guided by the guide bar 23 so as to be movable back and forth. The cylinder 25 can move in the vertical direction and the front-rear direction. The slide unit 21 is provided with a tool clamp 27 detachably attached to a clamp portion 26 provided on the tool side. The clamp unit 26 and the tool clamp 27 are connected to a conduit for supplying hydraulic fluid such as hydraulic pressure or pneumatic pressure to the tool from the power unit 15, and can be attached and detached without leaking the hydraulic fluid (not shown) and A detachable known connector (not shown) connected to a lead for supplying power, control signals, etc. to the tool is provided.
  Thereby, tool exchange is possible as follows. First, the tool magazine 17 is rotated, its rotation position is indexed, and the selected tool is arranged at a position facing the slide unit 21. The slide unit 21 is moved up and down and back and forth by the elevating cylinder 24 and the advancing / retreating cylinder 25, and the tool clamp 27 is coupled to the clamp portion 26 of the selected tool. At this time, the coupler and the connector are connected, and the working fluid, power, and control signal can be supplied to the tool selected from the power unit 15 and the control panel 14. Next, the slide unit 21 is retracted, the tool holding block 19 is moved to the inner peripheral side of the tool magazine 17, the engagement with the mounting opening 18 is released, and then the slide unit 21 is lowered to select The removed tool can be removed from the tool magazine 17 and held by the slide unit 21. Further, by performing the reverse operation, the tool held on the slide unit 21 can be returned to the tool magazine 17.
Next, the three tools attached to the tool magazine 17 will be described.
The outer race press-fitting tool 8 will be described with reference to FIG. As shown in FIG. 7, the outer race press-fitting tool 8 is a tool for press-fitting the outer races 29 and 30 of the tapered roller bearing from both sides of the mounting hole 28 penetrating the work W. The outer race press-fitting tool 8 includes an upper press-fitting head 31 and a lower press-fitting head 32 that are respectively arranged above and below the mounting hole 28 of the work W positioned by the work transfer device 12, and a press-fitting cylinder 33 attached to the upper press-fitting head 31. And has. The upper press-fitting head 31 and the press-fitting cylinder 33 are coupled to the slide unit 21 by a clamp portion 26 and a tool clamp 27, and can be moved in the vertical direction by an elevating cylinder 24. The lower press-fitting head 32 is an upper press-fitting head 31. On the other hand, it is provided to be movable in the vertical direction.
  The operating rod 34 (reaction force receiving member) of the press-fitting cylinder 33 extends through the upper press-fitting head 31 toward the lower press-fitting head 32, and a joint male part 35 is formed at the tip thereof. The lower press-fitting head 32 is formed with a joint female portion 36 that can be engaged with and disengaged from the joint male portion 35. The outer races 29 and 30 are mounted on the upper press-fitting head 31 and the lower press-fitting head 32 (see FIG. 7A), and the upper press-fitting head 31 is lowered by the lifting cylinder 24 to joint the joint male portion 35 of the operating rod 34. Is engaged with the joint knife 36 (see FIG. 7B). The operating rod 34 of the press-fitting cylinder 33 is shortened so that the upper press-fitting head 31 and the lower press-fitting head 32 are pulled toward each other, and the outer races 29 and 30 are press-fitted into the mounting holes 28 of the workpiece W (see FIG. 7C). . The upper press-fitting head 31 is raised by the elevating cylinder 24 and returned to the original position (see FIG. 7D). In this way, the outer races 29 and 30 can be press-fitted into the mounting holes 28 of the workpiece W.
  At this time, the operating rod 34 is connected to the lower press-fitting head 32 so as to be attracted to the upper head 31, so that the reaction force when the outer races 29 and 30 are press-fitted into the mounting hole 28 is received by the operating rod 34. And does not act on the tool changer 13 side.
  Next, the bearing press-fitting tool 9 will be described with reference to FIG. As shown in FIG. 8, the bearing press-fitting device 9 is a tool for press-fitting the roller bearing 38 into the bag-like attachment hole 37 of the workpiece W. In the bearing press-fitting device 9, a press-fitting cylinder 40 and a work clamp mechanism 41 are provided on a main body plate 39 to which the holding block 19 and the clamp part 26 are attached. The main body plate 39 is coupled to the slide unit 21 by the clamp portion 26 and the tool clamp 27 and can be moved in the vertical direction by the lifting cylinder 24. A press-fitting head 43 facing the attachment hole 37 of the workpiece W is attached to the tip of the operating rod 42 of the press-fitting cylinder 40. The work clamp mechanism 41 includes a positioning pin 44 that contacts the end face of the flange portion 46 of the work W and a movable claw 45 (reaction force receiving member) that extends to the back side of the flange portion 46. The movable claw 45 can be rotated in the horizontal direction by the air cylinder 47, the tip of the positioning pin 44 is brought into contact with the end surface of the flange portion 46, and the movable claw 45 is rotated to hold the back surface of the flange portion 46. Thus, the main body plate 39 can be fixed to the workpiece W.
  Then, the roller bearing 38 is attached to the press-fitting head 43 (see FIG. 8A), the main body plate 39 is lowered by the lifting cylinder 24, and the positioning pin 44 is brought into contact with the end face of the flange portion 46 of the workpiece W. Then, the movable claw 45 is rotated to hold the flange portion 46 to fix the main body plate 39 to the workpiece W (see FIG. 8B). The operating rod 42 of the press-fitting cylinder 40 is extended to press-fit the roller bearing 38 into the mounting hole 37 of the workpiece W (see FIG. 8C). Thereafter, the movable claw 45 is rotated to release the workpiece W, and the main body plate 39 is raised by the lifting cylinder 24 to return to the original position (see FIG. 8D). In this manner, the roller bearing 38 can be press-fitted into the mounting hole 37 of the workpiece W.
  At this time, by holding the flange portion 46 of the workpiece W by the movable claw 45 of the workpiece clamp mechanism 41, all the reaction force at the time of bearing press-fitting can be received by the movable claw 45 and can be applied to the tool changer 13 side. Absent.
  Next, the shim selection measurement tool 10 will be described with reference to FIG. FIG. 9 shows the shim selection tool 10 and a part of the tool changer 13 connected thereto. As shown in FIG. 9, the shim selection measurement tool 10 is for measuring the thickness of the bearing shim necessary for applying a predetermined preload to the tapered roller bearing 48 mounted on the workpiece W. The main body plate 49 to which the holding block 19 and the clamp part 26 are attached has a movable claw 51 (reaction force receiving member) that extends to the back side of the flange part 50 of the workpiece W and holds the back side of the flange part 50, and a pressure cylinder. 52, a pressure mechanism 53 that applies a thrust load to the taper roller bearing 48 mounted on the workpiece W, a motor 56 that presses the drive roller 55 against the ring gear 54 supported by the taper roller bearing 48, and rotates the drive roller 55; 49, a measuring mechanism 59 is provided which is floatingly supported by a floating mechanism 57 and measures a distance L between an end face of the flange portion 50 of the workpiece W and an end face of the tapered roller bearing 48 by a displacement sensor 58.
  The main body plate 49 is coupled to the slide unit 21 by the clamp portion 26 and the tool clamp 27 and can be moved in the vertical direction by the lifting cylinder 24. The movable claw 51 can be rotated in the horizontal direction by the air cylinder 60, the pressure mechanism 53 is brought into contact with the end surface of the taper roller bearing 48, and the movable claw 51 is rotated to hold the back surface of the flange portion 50. Thus, the main body plate 49 can be fixed to the workpiece W.
  Then, the main body plate 49 is lowered by the lifting cylinder 24, the pressure mechanism 53 is brought into contact with the end surface of the taper roller bearing 48, the movable claw 51 is rotated, and the flange portion 50 of the workpiece W is held. The main body plate 49 is fixed to the workpiece W. The pressure cylinder 52 is operated, and the ring gear 54 is rotated by the motor 56 in a state where a predetermined thrust load is applied to the taper roller bearing 48 by the pressure mechanism 53. In this state, the distance L between the end surface of the flange portion 50 of the workpiece W and the end surface of the tapered roller bearing 48 is measured by the displacement sensor 58 of the pressurizing mechanism 53, and a necessary bearing shim is determined based on this distance L. Determine the thickness. Thereafter, the movable claw 51 is rotated to release the workpiece W, and the main body plate 49 is raised by the lifting cylinder 24 to return to the original position.
  At this time, by holding the flange portion 50 of the workpiece W by the movable claw 51, the reaction force when the thrust load is applied to the taper roller bearing 48 can be received by the movable claw 51 by the pressure cylinder 52. It does not act on the device 13 side.
According to the component assembling apparatus 6 of the present embodiment configured as described above, the following operational effects can be achieved.
The work W is loaded and positioned by the transport device 12. The tool magazine 17 is rotated to select a necessary tool, and the slide unit 21 is connected. The slide unit 21 is moved to remove the selected tool from the tool magazine 17 and arrange it at a predetermined position on the workpiece W. When manual work such as setting of parts on the tool is necessary, the manual work is appropriately performed. At this time, since the selected tool is arranged on the workpiece W, the tool can be easily accessed, and manual work can be easily performed.
  After the tool is operated and a predetermined process is performed, the slide unit 21 is moved to return the tool to the tool magazine 17. Select the next process tool and replace the tool. In this way, the outer race press-fitting tool 8, the bearing press-fitting tool 9, and the shim selection measurement tool 10 are sequentially replaced, and each process can be smoothly executed by performing necessary manual work as appropriate.
  The tool magazine 17 of the tool changer 13 receives the reaction force caused by the press-fitting, pressurization, etc. of the parts by the members in the tool, as in the above three tools, so that the reaction force is applied to the tool changer 13 side. Other tools can be mounted as long as the structure does not act. Further, when the reaction force generated in the process is small, such as insertion of a small part such as a snap ring, and the strength and rigidity of the tool changer 13 can sufficiently withstand, the reaction force acts directly on the tool changer 13 side. It is also possible to use a tool with such a structure. Since eight tools can be mounted on the tool magazine 17, a maximum of eight processes can be sequentially executed by one component assembling apparatus 6. The shape of the tool magazine 17 and the number of tools that can be mounted can be changed as appropriate. For example, as shown in FIG. 3, the tool magazine 17 has a substantially fan shape having two mounting openings 18 and is rotated. Two tools may be selected by moving them.
  Each assembly tool can receive the reaction force generated in the process by a member in the tool and does not act on the tool changer 13 side. The strength and rigidity can be set low, and it is not necessary to adopt a highly rigid structure such as a column structure. Therefore, a frame structure made of a pipe material or the like can be obtained. Thereby, the strength and rigidity design according to each process becomes unnecessary, and the assembly standard machine 7 can be standardized. Then, by standardizing the holding block 19 and the clamp portion 26 so that the tools are compatible with each other, the tools can be diverted and the processes can be easily integrated and divided.
  For example, as shown in FIG. 10, for an assembly line A consisting of eight steps a, b, c, d, e, f, g, h, steps a and b, step c depending on the production scale and the like. And d, steps e and f, and steps g and h can be integrated into an assembly line B using four component assembling apparatuses 6, and steps a, b, c, d, and step e f, g, and h can be aggregated into an assembly line C using two component assembling apparatuses 6, and the processes a, b, c, d, e, f, g, and h can be aggregated. It is also possible to execute all the steps by one component assembling apparatus 6. In FIG. 10, a symbol M indicates an operator. In this way, by standardizing the assembly standard machine 7 and each tool, it is possible to provide equipment that can flexibly cope with diversion of equipment, consolidation of processes, and division according to production scale and the like.
  As shown in FIG. 11, a plurality of component assembling devices 6 are arranged so that the conveying device 12 faces each other so that the operator M can easily access the selected tool. By combining the automated process cycle and the manual process cycle of the worker M so as to be synchronized, the automatic process and the manual process can be integrated. In this case, a robot may be arranged in place of the worker M to automate all processes.
  Furthermore, the assembly standard machine 7 has a frame structure, and the control panel 14 is housed in the bed 11, so that space saving can be achieved and the view in the installed factory can be improved.
It is a side view of the component assembly apparatus which concerns on one Embodiment of this invention. It is a perspective view of the component assembly apparatus which concerns on one Embodiment of this invention. It is a perspective view of the components assembly | attachment apparatus which concerns on other embodiment of this invention. It is a top view of the tool magazine of the apparatus shown in FIG. It is explanatory drawing which shows the attachment or detachment operation | movement of the holding block of the tool magazine shown in FIG. It is a disassembled perspective view which shows the attachment opening and tool side holding block of the tool magazine shown in FIG. It is the schematic which shows the structure and operation | movement of the outer race press-fit tool with which the component assembly | attachment apparatus shown in FIG. 1 is mounted | worn. It is the schematic which shows the structure and operation | movement of the bearing press-fit tool with which the components assembly | attachment apparatus shown in FIG. 1 is mounted | worn. It is the schematic which shows the structure of the shim selection measurement tool with which the components assembly | attachment apparatus shown in FIG. 1 is mounted | worn. It is explanatory drawing which shows process aggregation and division | segmentation of an assembly line using the component assembly apparatus shown in FIG. It is explanatory drawing which shows the example of arrangement | positioning of the assembly line using the component assembly apparatus shown in FIG. It is the schematic which shows the conventional bearing press-fit apparatus.
Explanation of symbols
6 parts assembly device, 17 tool magazine, 8 outer race press-fit tool, 9 bearing press-fit tool, 10 shim selection measurement tool, 13 tool changer, 34 actuating rod (reaction force receiving member), 45 movable claw (reaction force receiving member) , 51 Movable claw (reaction force receiving member), W workpiece

Claims (6)

  1. A component assembly apparatus that mounts a plurality of tools on a tool magazine of a tool changer, sequentially selects and operates the plurality of tools, and executes a plurality of processes including assembly of parts to a workpiece, The component assembling apparatus, wherein the tool has a structure that receives a reaction force generated between the tool and a workpiece by executing the process in the tool and does not act on the tool changer side.
  2. The component assembling apparatus according to claim 1, wherein the tool receives the reaction force by a reaction force receiving member penetrating the workpiece.
  3. The component assembling apparatus according to claim 1, wherein the tool receives the reaction force by a reaction force receiving member that holds a workpiece from outside.
  4. A component assembly method of mounting a plurality of tools on a tool magazine of a tool changer, sequentially selecting and operating the plurality of tools, and performing a plurality of processes including assembly of components to a workpiece, The tool has a structure in which a reaction force generated between the tool and a workpiece due to execution of the process is received in the tool and does not act on the tool changer side.
  5. The component assembling method according to claim 4, wherein the tool receives the reaction force by a reaction force receiving member penetrating the workpiece.
  6. The component assembling method according to claim 4, wherein the tool receives the reaction force by a reaction force receiving member that holds a workpiece from outside.
JP2004054435A 2004-02-27 2004-02-27 Apparatus and method for mounting component Pending JP2005238416A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905413A (en) * 2010-08-02 2010-12-08 力帆实业(集团)股份有限公司 Pressing fixture for bearing seat ring of motorcycle steering column
WO2012039824A1 (en) * 2010-09-20 2012-03-29 General Electric Company Assembly facilitation apparatus and method
WO2012039825A1 (en) * 2010-09-21 2012-03-29 General Electric Company Assembly facilitation apparatus and method
CN103522039A (en) * 2013-10-17 2014-01-22 重庆民发汽车配件有限责任公司 Rocker bearing assembly tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905413A (en) * 2010-08-02 2010-12-08 力帆实业(集团)股份有限公司 Pressing fixture for bearing seat ring of motorcycle steering column
WO2012039824A1 (en) * 2010-09-20 2012-03-29 General Electric Company Assembly facilitation apparatus and method
WO2012039825A1 (en) * 2010-09-21 2012-03-29 General Electric Company Assembly facilitation apparatus and method
CN103522039A (en) * 2013-10-17 2014-01-22 重庆民发汽车配件有限责任公司 Rocker bearing assembly tool

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