WO2002058889A1 - Outil a roder - Google Patents
Outil a roder Download PDFInfo
- Publication number
- WO2002058889A1 WO2002058889A1 PCT/JP2002/000238 JP0200238W WO02058889A1 WO 2002058889 A1 WO2002058889 A1 WO 2002058889A1 JP 0200238 W JP0200238 W JP 0200238W WO 02058889 A1 WO02058889 A1 WO 02058889A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lap
- diameter
- main body
- lapping
- tool
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D77/00—Reaming tools
- B23D77/06—Reaming with means for compensating wear
- B23D77/08—Reaming with means for compensating wear by spreading slotted parts of the tool body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
Definitions
- the present invention relates to a lapping tool used for lap finishing, and in particular, measures for preventing the occurrence of torsion during lap finishing, improving quality, and enabling adjustment of a lap diameter. Regarding what was given. Background art
- a pole screw / ball nut mechanism as a drive mechanism of an actuator.
- This kind of ball screw 'pole nut mechanism' is composed of a pole screw and a ball nut screwed into this pole screw.
- the ball nut whose rotation is restricted by rotating the ball screw by a servomotor, is moved in one axial direction. It reciprocates.
- various devices will be mounted on the ball nut.
- Each of the above-mentioned pole screw and pole nut is manufactured by a dedicated processing machine, and then its thread surface and the like are finished by lap finishing.
- lap finishing is performed on the thread surface of the inner diameter of a ball nut
- a lap tool called a “lap bar” is used.
- This lapping tool has a configuration in which a thread is formed on the outer peripheral surface of a shaft-like member, and a slit is formed in the axial direction.
- a pole nut which is a lap finish object, is screwed into the lap tool, thereby performing a lap finish process on a thread portion of an inner diameter portion of the pole nut.
- the lapping tool is elastically displaced within the range of the slit, and the lapping finish is performed by the action of the elastic force stored by the lapping tool.
- the lapping tool has a slit that is extended in the axial direction, and this slit functions greatly in lap finishing.
- the tip of the slit Since the lapping tool is open, the lapping tool may be twisted, thereby reducing the accuracy of the lapping process and shortening the life of the lapping tool.
- the lap diameter is fixed.Therefore, when performing lap finishing on a ball nut having a different diameter, a different lapping tool corresponding to the lapping tool is required. There was a problem that the lapping tool had to be prepared in advance.
- the present invention has been made based on such a point, and its object is to improve the accuracy of lap finishing and extend the life of the lap tool itself, and to adjust the lap diameter. It is an object of the present invention to provide a lapping tool which is capable of performing lapping finishing of various diameters. — There is something like that shown in Japanese Patent Publication No. 3 4 3 3 2 7. This relates to a reamer, and it is said that the finishing diameter by the reamer processing can be mechanically adjusted and set. Disclosure of the invention
- a lapping tool according to claim 1 of the present invention comprises: a lapping tool main body having a wrapping portion on an outer peripheral surface; and an axial direction between a tip end portion and a base end portion of the lapping tool main body. And a slit provided along the line.
- the lapping tool according to claim 2 is a lapping tool main body having a lapping portion on an outer peripheral surface, and a lapping tool for adjusting a lapping diameter provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body.
- the slit with the part And a lap diameter adjusting member which is inserted into the lap diameter adjusting portion from the axial direction so as to be inserted / pulled out and adjusts the diameter of the lap tool main body through the lap diameter adjusting portion. is there.
- the lapping tool according to claim 3 is a lapping tool main body having a lapping portion on an outer peripheral surface, and a lap diameter adjustment provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body.
- a slit provided with a part, and inserted into the lap diameter adjustment part so that it can be inserted and pulled out from one end in the axial direction, and adjusts the diameter of the lap tool main body through the lap diameter adjustment part.
- a lap diameter defining means for regulating the lap diameter to a predetermined value by restricting the movement of the adjusting member in the wrap diameter enlargement direction.
- a lapping tool according to a fourth aspect is the lapping tool according to the third aspect, wherein the driving means urges the lap diameter adjusting member in a lap diameter enlarging direction by an elastic force. Things.
- the lapping tool according to claim 5 is a lapping tool main body provided with a lapping portion on an outer peripheral surface, and a slit provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body. And an arbitrary number of lap diameter adjusting members which are screwed into the slit of the lap tool main body in a radial direction from a side portion of the lap tool main body to adjust the diameter of the lap tool main body. It is characterized by the following.
- the lap tool according to claim 6 is the lap tool according to claim 5, wherein the lap diameter adjusting member is provided at an end of the adjusting member main body that is screwed into the small lap tool main body. And an actuating body provided inside the recessed portion via an elastic member. It is.
- a lapping tool according to claim 7 is the lapping tool according to claim 5, wherein the lap diameter adjusting member is a screw.
- a lapping tool according to a ninth aspect is the lapping tool according to the eighth aspect, wherein a flat portion for storing cutting chips is provided on an outer peripheral portion of the lapping tool main body.
- the lapping tool according to claim 10 is the lapping tool according to any one of claims 1 to 7, wherein the slit is formed so as to penetrate in a radial direction. Are formed in two parts.
- the lapping tool according to claim 11 is the lapping tool according to any one of claims 1 to 7, wherein three or more slits are provided, and the lapping tool body is divided into three or more. It is characterized by a split structure.
- the lapping tool according to claim 12 is the lapping tool according to any one of claims 1 to 11, wherein the rubbing portion of the lapping tool main body is a rubbing thread portion. Things.
- the lapping tool according to claim 13 is the lapping tool according to any one of claims 1 to 12, wherein abrasive grains adhere to the surface of the lapping portion of the lapping tool body by a fixed method. ⁇ Characterized by being fixed It is.
- the lapping tool according to claim 14 is the lapping tool according to any one of claims 1 to 13, wherein the lapping tool main body gradually expands in diameter from a distal end side to a proximal end side. It is characterized by comprising a gradually increasing diameter tapered portion, a flat portion, and a reduced diameter tapered portion whose diameter is gradually reduced from the distal end side toward the proximal end side.
- the lapping tool according to claim 15 is the lapping tool according to claim 14, wherein the enlarged taper portion is more loose than the first enlarged taper portion and the first enlarged taper portion. And a second enlarged-diameter taper portion.
- a lapping tool according to claim 1 of the present invention comprises a lapping tool main body having a lapping portion on an outer peripheral surface, and a lapping tool provided along an axial direction between a tip end and a base end of the lapping tool main body. It is provided with a lip and a ridge, thereby eliminating twist and the like caused by the slit.
- the lapping tool according to claim 2 is a lapping tool main body having a lapping portion on an outer peripheral surface, and a lapping tool for adjusting a lapping diameter provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body.
- a slit provided with a portion, and a lap diameter adjusting member which is inserted into the lap diameter adjusting portion from the axial direction so as to be inserted and withdrawn so as to adjust the diameter of the lap tool main body via the lap diameter adjusting portion. This allows the wrap diameter to be adjusted arbitrarily.
- the lapping tool according to claim 3 is a lapping tool main body having a lapping portion on an outer peripheral surface, and a lap diameter adjustment provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body.
- a slit provided with a part, and inserted into the lap diameter adjustment part so that it can be inserted and withdrawn from one end in the axial direction.
- a lap diameter adjusting member for adjusting the diameter of the lap tool main body through the lap diameter adjusting portion; a driving means for urging the wrap diameter adjusting member in the wrap diameter expanding direction; Wrap diameter defining means for inserting the wrap diameter adjusting member from the other end side in the axial direction so as to be insertable / removable and restricting the wrap diameter adjusting member from moving in the wrap diameter expanding direction, thereby defining the wrap diameter to a predetermined value; Therefore, the wrap diameter can be reliably specified to a predetermined value.
- the lapping tool according to a fourth aspect is the lapping tool according to the third aspect, wherein the driving means urges the lap diameter adjusting member in a lap diameter enlarging direction by an elastic force.
- the lapping tool according to claim 5 is a lapping tool main body provided with a lapping portion on an outer peripheral surface, and a slit provided along an axial direction between a distal end portion and a base end portion of the lapping tool main body. And an arbitrary number of lap diameter adjusting members which are screwed into the slit of the lap tool main body in a radial direction from a side portion of the lap tool main body and adjust the diameter of the lap tool main body. Yes, the configuration for adjusting the wrap diameter is simplified.
- the lapping tool according to claim 6 is the lapping tool according to claim 5, wherein the lap diameter adjusting member is provided at an end of the adjusting member main body screwed into the lapping tool main body. And a working body provided inside the recess through an elastic member.
- a lap tool according to claim 7 is the lap tool according to claim 5, wherein the lap diameter adjusting member is a screw.
- the lapping tool according to claim 8 has a hollow portion and a lap tool on an outer peripheral surface.
- a lap tool main body having a rubbing portion and having a lap diameter adjusting portion in the hollow portion; And a lap diameter adjusting member for adjusting the diameter of the lap tool main body.
- the configuration is greatly simplified.
- the lapping tool according to claim 9 is the lapping tool according to claim 8, wherein a flat portion for storing cutting chips is provided on an outer peripheral portion of the lapping tool main body. It provides a place for cutting chips to escape during machining.
- the lapping tool according to claim 10 is the lapping tool according to any one of claims 1 to 7, wherein the slit is formed so as to penetrate in a radial direction. Is formed in two parts.
- the present invention is not limited to this. On the contrary, various configurations such as a case where a screw is subjected to lap finishing and a case where a simple hole is subjected to lap finishing are conceivable.
- the lapping tool according to claim 13 is the lapping tool according to any one of claims 1 to 12, wherein abrasive grains adhere to the surface of the rubbing portion of the lapping tool body by a fixed method. ⁇ It is fixed.
- a lapping tool according to claim 14 is the lapping tool according to any one of claims 1 to 13, wherein the lapping tool main body is a base end from a distal end side. It consists of a tapered portion that gradually increases in diameter toward the side, a flat portion, and a tapered portion that gradually reduces in diameter from the distal end toward the proximal end. is there.
- the lapping tool according to claim 15 is the lapping tool according to claim 14, wherein the enlarged taper portion is more loose than the first enlarged taper portion and the first enlarged taper portion. And a second enlarged diameter tapered portion.
- the finish diameter by reaming can be mechanically adjusted and set, it is fixed, and it is not something that gradually finishes to the target diameter using elastic deformation.
- the slit is provided between the distal end portion and the base end portion of the lapping tool main body, it is possible to eliminate the occurrence of twisting due to the slit. it can. Therefore, it is possible to prevent a reduction in the lap finishing accuracy due to the torsion and a reduction in the life of the lapping tool.
- the lap diameter adjusting member in the hollow portion is inserted by inserting an appropriate amount of the lap diameter adjusting member into the lap diameter adjusting portion of the lap tool body.
- the outer diameter of the lap tool main body that is, the lap diameter can be adjusted via the lap tool, so that a single lap tool can be used for lap finishing of various diameters.
- the lap diameter adjusting member is urged in the lap diameter enlarging direction by the driving means, and at the same time, the lap diameter defining means is inserted to an appropriate position. Since the wrap diameter is set to a predetermined value, lap finishing is easier.
- the lapping tool body has a slit.
- the diameter of the lap tool main body is adjusted via the lap diameter adjustment part by inserting an appropriate amount of the lap diameter adjusting member into such a lap tool main body without forming a lap tool. This has been greatly simplified.
- the configuration for adjusting the lap diameter is simple.
- the processing ability can be improved.
- the outer diameter of the lap tool main body have a predetermined tapered configuration, the operation at the time of lap finishing can be smoothly performed.
- FIG. 1 is a view showing a first embodiment of the present invention.
- FIG. 1 (a) is a front view of a lapping tool, and FIG. 1 (b) is b— in FIG. 1 (a).
- FIG. FIG. 2 is a view showing a second embodiment of the present invention.
- FIG. 2 (a) is a front view of a lapping tool, and
- FIG. 2 (b) is b— in FIG. 2 (a).
- FIG. FIG. 3 is a view showing a third embodiment of the present invention, wherein FIG. 3 (a) is a front view of a lapping tool, and FIG. 3 (b) is b-b of FIG. 3 (a).
- FIG. FIG. 4 is a view showing a modification of the third embodiment of the present invention.
- FIGS. 4 (a), 4 (b) and 4 (c) are side views of the lapping tool, respectively. is there.
- FIG. 5 is a view showing a fourth embodiment of the present invention, wherein FIG. 5 (a) is a front view of a lapping tool, and FIG. 5 (b) is a drawing of FIG. 5 (a).
- FIG. FIG. 6 is a view showing a fifth embodiment of the present invention, wherein FIG. 6 (a) is a front view of a lapping tool, and FIG. 6 (b) is b— of FIG. 6 (a).
- FIG. FIG. 7 is a view showing a fifth embodiment of the present invention, and is a cross-sectional view showing a configuration of a wrap diameter adjusting member.
- FIG. 8 is a view showing a fifth embodiment of the present invention, and is a cross-sectional view showing a configuration of a wrap diameter adjusting member.
- FIG. 1 (a) is a front view of the lapping tool 1
- FIG. 1 (b) is a view taken in the direction of arrows b—b in FIG. 1 (a).
- the lap tool main body 3 there is a lap tool main body 3, and on the outer peripheral surface of the lap tool main body 3, a thread portion 5 for lap finishing is formed. Also, the lap tool main body 3 has a solid shape as shown in FIG. 1 (b).
- a slit 7 is formed on the lapping tool main body 3 so as to extend in the axial direction by a predetermined length between the distal end portion 3b and the proximal end portion 3c.
- the gate 7 is formed so as to penetrate from the middle front side in FIG. 1 (a) to the side facing away (in the state penetrating in the left-right direction in FIG. 1 (b)).
- the lapping tool 1 having such a configuration is mounted on a spindle of a lapping machine (not shown) via a base end portion 3c. Then, a pole nut 2 (indicated by an imaginary line in FIG. 1 (a)) as a lap finishing object is screwed into the thread portion 5 through the tip portion 3b, and as shown by an arrow a. A desired lap finishing process is performed on the thread portion (not shown) of the pole nut 2 by reciprocating.
- Abrasive grains are attached to the outer surface of the lapping tool 1.
- a “fixed type” and a “free type” as a method of attaching abrasive grains.
- the fixed type for example, there are an electrodeposition type and an adhesive type, and abrasive grains are adhered and fixed to the outer surface of the lapping tool 1 by these types.
- the free type The abrasive grains are attached to the outer surface of the lapping tool 1 in a movable state.
- the accuracy of the lap finishing process can be improved, and the life of the lap tool 1 can be extended.
- FIG. 2 (a) is a longitudinal sectional view of the lapping tool 21, and FIG. 2 (b) is a view taken along the line bb in FIG. 2 (a).
- the lap tool main body 23 has a solid shape and is provided with a thread portion 25 for lap finishing on its outer peripheral surface.
- a slit 27 is formed in the lapping tool main body 23 in a state where the slit 27 is extended in the axial direction, and is penetrated from the near side in FIG. 1 (a) toward the other side.
- ⁇ Figure 2 (b) penetrates in the middle left and right direction ⁇ .
- the tip side (left side in FIG. 1 (a)) of the slit 27 is a through hole 29 having a larger diameter.
- a throttle portion 31 is provided as a wrap diameter adjusting portion.
- a lap diameter adjusting member 33 is inserted into the slit 27 from one end side in the axial direction ⁇ from the right side in FIG.
- the wrap diameter adjusting member 33 includes a distal shaft portion 35 having a tapered portion 35a formed in a tapered shape, and a proximal shaft portion 37.
- the distal side shaft portion 35 and the proximal side shaft portion 37 are integrated via a reduced diameter portion 36.
- the female formed on the lap tool body 23 side The external thread 41 formed on the base shaft 37 is screwed into the thread 39.
- the lap diameter is adjusted by appropriately adjusting the screwing amount of the lap diameter adjusting member 33 into the lap tool main body 23.
- the tip side shaft portion 35 is largely inserted into the lap tool main body 23, and accordingly, the taper portion 3
- the outer diameter of the lap tool main body 23 is further enlarged through the 5a and the lap diameter adjusting portion 31 and eventually the lap diameter (D) is increased.
- the insertion amount of the tip side shaft portion 35 into the lapping tool main body 23 is reduced, and as a result, the taper portion
- the outer diameter of the lap tool main body 23 through 35 a and the lap diameter adjusting portion 31 is reduced, and the wrap diameter (D) becomes smaller due to its own elastic return force.
- the screwing amount of the lap diameter adjusting member 33 may be adjusted manually by an operator or by a drive motor.
- the lapping tool 21 having such a configuration is attached to the spindle 43 of the lapping machine via the base end of the lapping tool main body 23. Then, the ball nut 45 (indicated by the imaginary line in Fig. 2 (a)) as the object to be wrapped is screwed into the thread portion 25 through the tip, and is indicated by the arrow a. As described above, the desired lap finish processing is performed on the thread ridge (not shown) of the pole nut 45 by reciprocating.
- the lap diameter (D) can be adjusted by appropriately adjusting the amount of screwing of the lap diameter adjusting member 3 3 into the lap tool body 23. You. Therefore, a single lap tool 21 can cope with various lap finishing operations having different lap diameters (D).
- FIG. 3 (a) is a longitudinal sectional view of the lapping tool 51
- FIG. 3 (b) is a view taken along the line bb in FIG. 3 (a).
- a lap tool main body 53 there is a lap tool main body 53, and the lap tool main body 53 has a thread portion 55 for lap finishing on its outer peripheral surface.
- a slit 57 is formed in the lap tool main body 53 in the axially extended state and penetrated from the middle front side to the side facing the middle side in Fig. 3 (a).
- ⁇ Figure 3 (b) penetrates in the left-right direction ⁇ .
- the position of the slit 57 slightly above the axial middle position in the axial direction is an enlarged diameter portion 59 which is enlarged in diameter.
- the enlarged diameter portion 59 functions as a lap diameter adjusting portion.
- the distal end of the slit 57 has a slightly larger through-hole 61, and the distal end of the through-hole 61 is axially penetrated and provided with a female screw portion 63. It is.
- a lap diameter adjusting member 65 is inserted into the slit 57 from one end side in the axial direction ⁇ from the right side in FIG. 3 (a) ⁇ so that it can be inserted and pulled out.
- the lap diameter adjusting member 65 includes a distal shaft portion 67 having a tapered portion 67a and a proximal shaft portion 69.
- the distal shaft portion 67 and the proximal shaft portion 69 are integrated via a reduced diameter portion 68.
- a shaft member 71 is screwed further behind the base-side shaft portion 69, and a first driving means as a driving means is provided between the base-side shaft portion 69 and the shaft member 71.
- a coil spring 73 is installed.
- the wrap diameter adjusting member 65 is always urged by the first coil spring 73 in the leftward direction in FIG. 3 (a) ⁇ the diametric direction of the wrap diameter (D) ⁇ .
- a second coil spring 75 and a ring member 77 are provided inside the enlarged diameter portion 59 of the slit 57 and on the outer peripheral side of the front end shaft portion 67 of the lap diameter adjusting member 69.
- a plurality of steel balls 79 are installed inside the enlarged diameter portion 59 of the slit 57 and on the outer peripheral side of the front end shaft portion 67 of the lap diameter adjusting member 69.
- a plurality of steel balls 79 are installed inside the enlarged diameter portion 59 of the slit 57 and on the outer peripheral side of the front end shaft portion 67 of the lap diameter adjusting member 69.
- a plurality of steel balls 79 are installed inside the enlarged diameter portion 59 of the slit 57 and on the outer peripheral side of the front end shaft portion 67 of the lap diameter adjusting member 69.
- a plurality of steel balls 79 are installed inside the enlarged diameter portion 59 of the slit 57 and on the outer peripheral side of the front end shaft portion 67 of the lap diameter
- a shaft member 81 as a wrap diameter defining means is inserted into the slit 57 from the other end side in the axial direction so as to be insertable / removable.
- a male screw portion 83 is formed on the shaft member 81.
- the male screw portion 83 is screwed to the female screw portion 63 on the slit 57 side.
- the wrap diameter is regulated to a predetermined value by screwing the shaft member 81 by a predetermined amount and positioning the tip thereof at a predetermined position. That is, the tip of the lap diameter adjusting member 65 already described collides with the tip of the shaft member 81, and further movement is restricted.
- the tip of the shaft member 81 is positioned at a predetermined position, that is, a predetermined position for obtaining a predetermined wrap diameter.
- a predetermined position that is, a predetermined position for obtaining a predetermined wrap diameter.
- the tip of the lap diameter adjusting member 65 is in contact with the tip of the shaft member 81.
- the lap tool 51 is rotated, and a ball nut 85 (indicated by the imaginary line in FIG. 3 (a)) to be wrapped is screwed there and reciprocated in the direction of the arrow a. Accordingly, a desired lap finishing process is performed on a thread portion (not shown) of the pole nut 85.
- the wrap diameter is
- (D) can be specified to a predetermined value. After that, lap finishing may be performed until the tip of the lap diameter adjusting member 65 collides with the tip of the shaft member 81, and the lap finishing is simple. In addition, lap finishing with a desired lap diameter (D) can be surely realized.
- FIGS. 4 (a), (b) and (c) are cross-sectional views of the lapping tool with the front end side shaft portion 67 of the lap diameter adjusting member 65 as a boundary.
- the wrapper tool main body 23 in the second embodiment is formed into a hollow cylindrical shape having no slit, and the tip is an opening 23a. It is open.
- flat parts 23b are formed at four orthogonal positions of the lapping tool main body 23. You. In the flat portion 23b, cutting chips at the time of lap finishing are accumulated.
- the other configuration is the same as that of the second embodiment, and the same components are denoted by the same reference numerals and description thereof will be omitted.
- reference numeral 24 in the drawing denotes a hollow portion.
- FIG. 6 there is a lap tool main body 101, and the lap tool main body 101 is solid and has a thread portion 103 for lap finishing on its outer peripheral surface. I have. Also, the slit 105 is extended in the axial direction in the wrapping tool main body 101, and is penetrated from the front side toward the middle in Fig. 6 (a). It is formed with. In addition, the tip side of the slit 105 (the left side in FIG. 6 (a)) is a through hole 107.
- FIG. 6 (a) a state in which the lap diameter adjusting member 111 is screwed and arranged on the female screw portion 109 is indicated by a virtual line.
- the lap diameter adjusting member 1 1 1 The adjusting member body 113 is provided with a male screw part 115 on the outer peripheral surface thereof.
- the male screw portion 115 is screwed to the female screw portion 109.
- a hexagonal hole 117 for a hexagonal wrench is formed in the head of the adjustment member body 113.
- a concave portion 119 is formed on the distal end side of the adjusting member main body 113, and a pole 123 is accommodated in the concave portion 119 via a coil spring 121.
- the ball 123 is urged by the coil spring 121 so as to protrude from the recess 119.
- the pole 1 2 3 does not protrude from the inside of the concave portion 1 19.
- the wrap diameter adjusting member 111 having the above configuration is screwed into four female screw portions 109 via the male screw portions 115. Then, the pole 1 2 3 at the tip comes into contact with the inner surface of the opposing lap tool main body 101, and further screwed up to a position where the inner surface is pushed out so as to expand the lap diameter by a predetermined amount. I do.
- the wrap diameter is adjusted accordingly. Also, looking at the outer diameter of the lapping tool body 101 along the axial direction, it consists of four areas A, B, C and D as shown in Fig. 6 (a). First, the region A is formed in a tapered shape such that its outer diameter gradually increases from left to right in the figure.
- the region B is also tapered so that its outer diameter gradually increases from the left side to the right side in the figure. Tapered).
- region C is flat.
- the region D is formed in a taper shape such that the outer diameter gradually decreases from the left side to the right side in the figure, and is set to the same degree as the degree of taper in the region A.
- the lap diameter is Screw in the adjusting member 1 1 1 and set it with the diameter increased by a predetermined amount.
- the lap finishing process is performed by screwing a pole nut 13 1 (indicated by the phantom line in Fig. 6 (a)) and reciprocating in the direction of arrow a.
- the inside diameter of the pole nut 13 1 is also small, so that the lap hoe body 101 side is reduced in diameter. That is, the ball 123 of each lap diameter adjusting member 111 is pushed back against the spring force of the coil spring 121.
- the inside diameter of the Pouno Lenatto 13 1 side also gradually increases, so that the poles 123 of each lap diameter adjusting member 111 are pushed out by the spring force of the coil springs 122.
- the wrap diameter is finished to a predetermined value, that is, the diameter of the initially set state.
- the configuration for adjusting the lap diameter is simplified.
- the operation during lap finishing becomes smoother.
- the resistance at the start of lap finishing is reduced by using a two-stage taper section at the tip end.
- the configuration of the lap diameter adjusting member may be as shown in FIG.
- a flanged pin 125 is used in place of the pole 123 in the lap diameter adjusting member 111 shown in FIG. In this case, if a larger stroke can be secured as compared with the case of the pole 123, there is a ray advantage.
- a normal screw member may be used as the wrap diameter adjusting member.
- the present invention is not limited to the first to fifth embodiments.
- the number of slits for forming the slit may be set arbitrarily.
- the driving means for driving the lap diameter adjusting member may be a screw, a hair cylinder, or the like. Various things such as hydraulic cylinders are conceivable.
- the present invention is useful as a lapping tool used for lapping finishing. It is designed to enable adjustment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Paper (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/470,053 US7008311B2 (en) | 2001-01-25 | 2002-01-16 | Lapping tool |
EP02715757A EP1366861A4 (en) | 2001-01-25 | 2002-01-16 | lap |
KR1020027012645A KR20020087422A (ko) | 2001-01-25 | 2002-01-16 | 랩공구 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-017047 | 2001-01-25 | ||
JP2001017047 | 2001-01-25 | ||
JP2001219299A JP2002292555A (ja) | 2001-01-25 | 2001-07-19 | ラップ工具 |
JP2001-219299 | 2001-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002058889A1 true WO2002058889A1 (fr) | 2002-08-01 |
Family
ID=26608293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/000238 WO2002058889A1 (fr) | 2001-01-25 | 2002-01-16 | Outil a roder |
Country Status (7)
Country | Link |
---|---|
US (1) | US7008311B2 (ja) |
EP (1) | EP1366861A4 (ja) |
JP (1) | JP2002292555A (ja) |
KR (1) | KR20020087422A (ja) |
CN (1) | CN100396438C (ja) |
TW (1) | TW590841B (ja) |
WO (1) | WO2002058889A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4523304B2 (ja) * | 2004-03-10 | 2010-08-11 | ケーエスエス株式会社 | ボールねじ面のラップ装置 |
JP4718168B2 (ja) * | 2004-12-07 | 2011-07-06 | 株式会社日進製作所 | 小径ホーニングツール |
TW201024034A (en) * | 2008-12-30 | 2010-07-01 | Saint Gobain Abrasives Inc | Bonded abrasive tool and method of forming |
KR101188832B1 (ko) | 2012-03-22 | 2012-10-09 | (주)한산리니어시스템 | 볼스크류너트용 래핑장치 |
JP5450870B1 (ja) * | 2013-07-10 | 2014-03-26 | 株式会社ニートレックス本社 | 歯車用研磨体 |
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- 2002-01-16 CN CNB028001664A patent/CN100396438C/zh not_active Expired - Fee Related
- 2002-01-16 US US10/470,053 patent/US7008311B2/en not_active Expired - Fee Related
- 2002-01-16 EP EP02715757A patent/EP1366861A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
CN1455718A (zh) | 2003-11-12 |
TW590841B (en) | 2004-06-11 |
JP2002292555A (ja) | 2002-10-08 |
US7008311B2 (en) | 2006-03-07 |
EP1366861A1 (en) | 2003-12-03 |
US20040152404A1 (en) | 2004-08-05 |
KR20020087422A (ko) | 2002-11-22 |
CN100396438C (zh) | 2008-06-25 |
EP1366861A4 (en) | 2005-10-26 |
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