CN113579877B - Small-diameter flange part planet hole grinding tool and method - Google Patents
Small-diameter flange part planet hole grinding tool and method Download PDFInfo
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- CN113579877B CN113579877B CN202110710519.9A CN202110710519A CN113579877B CN 113579877 B CN113579877 B CN 113579877B CN 202110710519 A CN202110710519 A CN 202110710519A CN 113579877 B CN113579877 B CN 113579877B
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The tool comprises a taper shank fixing disc, an index plate, a compression nut, a flange plate, a positioning pin, a set screw, a pull pin, a spring and a spring seat.
Description
Technical Field
The invention relates to a small-diameter flange part planet hole grinding tool and a method, and belongs to the field of mechanical manufacturing design.
Background
The small-diameter flange is an important part in a transmission mechanism, plays a role in supporting and uniformly distributing besides needing to participate in movement, is typically applied to a flange disc for keeping a roller of a roller screw and a flange disc for supporting a plunger of a plunger pump, and has very high requirement on the position degree of a planet. The number of the planet holes of the flange plate of the roller screw is generally 10 or 11, the position degree of the planet holes is required to be better than phi 0.02mm, the number of the planet holes of the flange plate of the plunger pump is generally 7, and the position degree of the planet holes of the flange plate of the roller screw is also better than phi 0.025mm. The most suitable processing equipment for the planet hole part is a coordinate grinding machine or a coordinate boring machine at present, true circle processing is realized by utilizing a coordinate transformation function, the position degree of the planet hole processed by the process method can be superior to phi 0.01mm, but the high-precision equipment is very expensive, and the capability can be configured only by manufacturers in the fields of dies, optics and the like. For a production unit without a coordinate grinding machine or a coordinate boring machine, in order to process the flange part, slow-moving wire cutting processing or drilling and reaming processing is usually adopted on a turning center with a Y axis. At present, when the linear cutting machining is adopted, the reference conversion is needed, the machining position precision of the method is about phi 0.02mm, although the design requirement is met, the slow-walking silk cutting efficiency is low, the cost is high, and the subsequent machining such as polishing and grinding of the planet hole is needed. The machining is performed by drilling and reaming in a machining center, and high-precision machining is difficult to perform on parts with hardness requirements.
Disclosure of Invention
The technical problem solved by the invention is as follows: aiming at the problems that in the prior art, a machining method and a tool which have high precision and meet design requirements for flange parts are lacked, the tool and the method for grinding the planet holes of the small-diameter flange parts are provided.
The technical problem to be solved by the invention is realized by the following technical scheme:
the utility model provides a minor diameter flange part planet hole grinding frock, includes taper shank fixed disk, graduated disk, gland nut, ring flange, locating pin, holding screw, pull pin, spring holder, graduated disk and taper shank fixed disk pass through holding screw fixed connection, the left surface of flange contacts with the graduated disk, the right surface of flange contacts with gland nut inside groove bottom surface, the ring flange compresses tightly through the screw thread with the graduated disk through gland nut, the locating pin sells into in the distribution hole of graduated disk and ring flange looks same phase, the pull pin inserts the pinhole of taper shank fixed disk and sells into the graduated disk in order to realize the accurate graduation of graduated disk, when carrying out planet hole grinding, the pull pin inserts the taper shank fixed disk, the spring embolias the spring holder and fixes the spring holder in the taper shank fixed disk through holding screw, gland nut screw in pull pin left side is as the handle, the taper shank fixed disk of assembly pull pin is connected through the morse awl with grinding machine C spindle nose frame.
The taper shank fixing disc comprises a connecting conical surface, a balancing table, an index plate positioning boss and a pull pin hole, the balancing table, the index plate positioning boss and the pull pin hole are arranged on the same side of the connecting conical surface, the balancing table performs mass balance on the tool when a workpiece is machined, the index plate positioning boss is used for positioning the index plate, and the pull pin hole is matched with the pull pin for plugging and unplugging.
The indexing disc positioning boss is provided with a rotary axis which is the same with the section of the axis of the taper shank fixing disc, and the distance between the two axes is the radius of a flange plate planet hole distribution circle; the position of the rotary axis is consistent with the position of the axis of the indexing hole of the indexing disc.
The dividing plate is characterized in that dividing holes the same as the planetary holes in the flange plate in number are formed in the left end face of the dividing plate, the dividing hole positions are matched with the pin pulling holes, a positioning sink groove is formed in the center of the dividing plate and used for being connected with a dividing plate positioning boss in a matched mode, a cutter relieving sink groove which is the same as the left end face in number is formed in the right end face of the dividing plate, the cutter relieving sink groove is larger than the diameter of the dividing hole in size, a step face is formed in the right end face of the dividing plate, and a circular boss workpiece positioning face is arranged on the step face and used for positioning the center of the flange plate.
The compression nut is of a cylindrical structure, a counter bore is formed in the right side of the compression nut, threads are formed in the hole wall of the compression nut, and a straight groove is formed in the end face of the left side of the compression nut and used for fixing the fixed flange plate to be screwed.
And a flange hole is formed in one side end face of the flange plate, the inner circle of the flange plate is an index plate contact surface, and the number of the flange holes is 10 or 11.
The locating pin is of a cylindrical structure, and a locating conical surface is arranged at the right end of the locating pin and used for being in circular contact with an orifice of a flange hole of the flange plate.
According to a small-diameter flange part planet hole grinding tool, a small-diameter flange part planet hole grinding method is provided, and the method comprises the following steps:
(1) Inserting a pulling pin into a taper shank fixing disc, installing a spring and sleeving the spring seat, fixing the spring seat in the taper shank fixing disc by using a screw, screwing a nut into the left side of the pulling pin to be used as a pulling handle, installing the taper shank fixing disc assembled with the pulling pin on a C shaft of a machine tool headstock, and connecting the taper shank fixing disc and the machine tool headstock through a Morse taper;
(2) Connecting the indexing disc and the flange plate through a workpiece positioning surface, pinning the indexing disc and the flange plate into the same-phase hole through a positioning pin, screwing the compression nut and the indexing disc through threads, and then taking out the positioning pin;
(3) Pulling out the pulling pin, installing the assembly assembled in the step (2) on a positioning boss of the dividing plate, loosening the pulling pin, inserting the pulling pin into a pin hole of the dividing plate, fixing the assembly assembled in the step (2) on the taper shank fixing plate by using a set screw, and finishing the installation of the tool;
(4) Grinding the flange hole of the flange plate which is collinear with the axis of the taper shank fixing disc by using an inner hole grinding wheel of the inner hole grinding machine;
(5) Loosening the set screw and pulling out the pulling pin, rotating the assembly assembled in the step (2) to the position of the other indexing hole, loosening the pulling pin, keeping the pulling pin to be inserted into the other indexing hole of the indexing disc, and screwing the set screw;
(6) Repeating the step (4) and the step (5) until all the planetary holes of the flange plate are ground;
(7) And (5) repeating the steps (2) to (6) to finish the replacement of the workpiece and the grinding of the planet hole.
Compared with the prior art, the invention has the advantages that:
according to the small-diameter flange part planetary hole grinding tool and the method, the newly-built flange part planetary hole grinding tool ingeniously utilizes the indexing principle to realize indexing grinding of the flange plate indexing holes, high-precision machining can be guaranteed, and meanwhile, all flange holes can be ground by clamping the flange plate parts once in each machining process, so that the clamping is convenient and fast, and the machining efficiency is high.
Drawings
FIG. 1 is a schematic view of a flange plate planet hole grinding tool provided by the invention;
FIG. 2 is a three-dimensional view of a taper shank fixing disk provided by the invention;
FIG. 3 is a three-dimensional view of the indexing disk provided by the present invention;
FIG. 4 is a three-dimensional view of the compression nut provided by the present invention;
FIG. 5 is a three-dimensional view of the flange provided by the present invention;
FIG. 6 is a three-dimensional view of a locating pin provided by the present invention;
Detailed Description
The utility model provides a minor diameter flange part planet hole grinding frock, adopts eccentric location, rotor graduation principle, realizes convenient clamping and the planet hole high accuracy location of work piece, solves the high position accuracy high accuracy processing problem in minor diameter ring flange planet hole, mainly includes taper shank fixed disk 1, graduated disk 2, gland nut 3, locating pin 5, holding screw 6, pull pin 7, spring 8 and spring holder 9, specifically does:
the taper shank fixing disc 1 is connected with a C shaft head frame of the cylindrical grinding machine; the dividing plate 2 and the taper shank fixing plate 1 are fixed through a set screw 6; the left side surface of the flange plate 4 is contacted with the dividing plate 2, the right side surface of the flange plate 4 is contacted with the bottom surface of an inner groove of the gland nut, and the flange plate 4 is tightly pressed with the dividing plate 2 through the gland nut 3 by screw threads; the positioning pin 5 is pinned into a distribution hole of the indexing plate 2 and the flange plate 4 in the same phase; the pulling pin 7 is inserted into the pin hole of the taper shank fixing disc 1 and is pinned into the indexing hole of the indexing disc 2, so that accurate indexing of the indexing disc is realized;
the left side of the taper shank fixing disc 1 is provided with a connecting conical surface 11 which is of a Morse taper shank structure and is used for being connected with a C shaft of a machine tool, the end face of the other side of the taper shank fixing disc is provided with a balance table 12, an index plate positioning boss 13 and a pin pulling hole 14, wherein the balance table 12 is used for balancing the quality of a tool when a workpiece is machined; the indexing disc positioning boss 13 is used for positioning the indexing disc, the rotary axis of the indexing disc positioning boss 13 and the axis of the taper shank fixing disc 1 are in the same cross section, and the distance between the two axes is the distribution circle radius of the planet holes of the flange disc 4; and the pin pulling hole 14 is used for pulling and inserting the pin pulling 7, and the position of the pin pulling hole around the rotation axis of the indexing disc positioning boss 13 is consistent with the position of the indexing hole of the indexing disc 2 around the axis of the indexing hole.
The right side step surface of the taper shank fixing disc 1 is vertical to the rotation axis of the taper shank fixing disc, and the verticality is better than 0.005mm; the verticality between the rotary surface and the step surface of the index plate positioning boss 13 is better than 0.003mm, the rotary axis of the index plate positioning boss and the axis of the taper shank fixing plate 1 have the same section, the position degree is better than 0.003mm, and the position degree of a pin pulling hole is better than 0.005mm;
the left end face of the dividing plate 2 is provided with dividing holes 21 with the same number as the planetary holes of the flange plate 4, the positions of the dividing holes are matched with the pin pulling holes 14, and the center of the dividing plate 2 is provided with a positioning sink groove 24 which is matched with the positioning boss 13 of the dividing plate; the stepped surface at the other end is provided with cutter relieving sink grooves 22 with the same number as the left end holes, the size of the grooves is larger than the diameter of the indexing holes 21, and the stepped surface is provided with a circular boss workpiece positioning surface 23 for centering the flange plate;
the position degree of the index plate 2 relative to the planet hole of the excircle of the counter bore at the left end is better than 0.008mm; the excircle of the boss at the other end is coaxial with the excircle of the counter bore at the left end, and the coaxiality is superior to 0.004;
the compression nut 3 is of a cylindrical structure, the right side of the compression nut is provided with a counter bore, threads 31 are arranged on the wall of the bore, and a straight groove is arranged on the other end face of the compression nut and used for fixing the flange plate 4 to be screwed.
The flange plate 4 is provided with 10 or 11 flange holes 41 on the end surface, the requirement of the position degree of the flange plate relative to the excircle is better than 0.015, the inner circle is an index plate contact surface 42, and the coaxiality relative to the excircle is better than 0.003mm;
the positioning pin 5 is of a cylindrical structure, and a section of positioning conical surface 51 is arranged at the right end and is used for circularly contacting with a flange hole orifice of the flange plate 4.
The grinding method for the planet hole of the small-diameter flange part comprises the following steps:
(1) Inserting a pulling pin 7 into a taper shank fixing disc 1, installing a spring 8 into the spring, sleeving a spring seat 9, fixing the spring seat 9 in the taper shank fixing disc 1 by using a screw, screwing a nut into the left side of the pulling pin 7 to be used as a pulling handle, installing the taper shank fixing disc 7 assembled with the pulling pin 7 on a C shaft of a machine tool headstock, and connecting the taper shank fixing disc 7 with the machine tool headstock through a Morse taper;
(2) Connecting the indexing disc 2 with the flange plate 4 through a workpiece positioning surface 23, pinning the indexing disc 2 and the flange plate 4 into the same-phase hole through a positioning pin 5, screwing the compression nut 3 and the indexing disc 2 through threads, and then taking out the positioning pin 5;
(3) Pulling out the pulling pin 7 in the step (1), mounting the assembly assembled in the step (2) on a positioning boss 13 of the dividing plate, loosening the pulling pin 7, inserting the pulling pin into a pin hole of the dividing plate 2, fixing the assembly in the step (2) on the taper shank fixing plate 1 in the step (1) by using a set screw 6, and finishing the installation of the tool;
(4) Grinding the 4 holes of the flange plate which are collinear with the axis of the taper shank fixing disc 1 by using an inner hole grinding wheel of an inner hole grinding machine;
(5) Loosening the set screw 6, pulling out the pull pin 7, rotating the assembly in the step (2) to the position of another hole, loosening the pull pin 7, keeping the pull pin 7 pinned into the other hole of the indexing disc 2, and screwing the set screw 6;
(6) Repeating the steps (4) and (5) until all the planetary holes in the flange plate 4 are ground;
(7) And (5) repeating the steps (2) to (6) to realize workpiece replacement and finish the grinding of the planet hole.
The following is further illustrated with reference to specific examples:
in the embodiment, the structure of the tool is as shown in fig. 1, and the tool is composed of a taper shank fixing disc 1, an index disc 2, a compression nut 3, a positioning pin 5, a set screw 6, a pull pin 7, a spring 8, a spring seat 9 and the like. Wherein the taper shank fixing disc 1 is connected with a C shaft head frame of the cylindrical grinding machine; the dividing plate 2 and the taper shank fixing plate 1 are fixed through a set screw 6; the left side surface of the flange plate 4 is contacted with the dividing plate 2, the right side surface of the flange plate 4 is contacted with the bottom surface of an inner groove of the gland nut, and the flange plate 4 is tightly pressed with the dividing plate 2 through the gland nut 3 by screw threads; the positioning pin 5 is pinned into a distribution hole of the indexing plate 2 and the flange plate 4 in the same phase; the pulling pin 7 is inserted into the pin hole of the taper shank fixing disk 1 and is pinned into the indexing hole of the indexing disk 2, so that the precise indexing of the indexing disk is realized.
As shown in fig. 2, the left side of the taper shank fixing disc 1 is provided with a connecting conical surface 11 which is of a morse taper shank structure and is used for connecting with a C shaft of a machine tool, the end surface of the other side is provided with a balance table 12, an index disc positioning boss 13 and a pin pulling hole 14, wherein the balance table 12 is used for balancing the quality of a tool when the tool is used for processing a workpiece; the indexing disc positioning boss 13 is used for positioning the indexing disc, the rotary axis of the indexing disc positioning boss 13 and the axis of the taper shank fixing disc 1 are in the same cross section, and the distance between the two axes is the distribution circle radius of the planet holes of the flange disc 4; and the pin pulling hole 14 is used for pulling and inserting the pin pulling 7, and the position of the pin pulling hole around the rotation axis of the indexing disc positioning boss 13 is consistent with the position of the indexing hole of the indexing disc 2 around the axis of the indexing hole.
Wherein, the right side step surface of the taper shank fixing disc 1 is vertical to the rotation axis thereof, and the verticality is better than 0.005mm; the verticality between the rotary surface and the step surface of the index plate positioning boss 13 is better than 0.003mm, the rotary axis of the index plate positioning boss and the axis of the taper shank fixing plate 1 are in the same section, the position degree is better than 0.003mm, and the position degree of a pin pulling hole is better than 0.005mm.
As shown in fig. 3, the indexing disc 2 has indexing holes 21 with the same number as the planetary holes of the flange plate 4 on the left end surface, the positions of the indexing holes are matched with the pin pulling holes 14, and the positioning sink groove 24 is arranged at the center and is used for matching with the positioning boss 13 of the indexing disc; the stepped surface at the other end is provided with cutter relieving sink grooves 22 with the same number as the left end holes, the size of the grooves is larger than the diameter of the indexing holes 21, and the stepped surface is provided with a circular boss workpiece positioning surface 23 for centering the flange plate;
the position degree of the index plate 2 relative to the planet hole of the excircle of the counter bore at the left end is better than 0.008mm; the excircle of the boss at the other end is coaxial with the excircle of the counter bore at the left end, and the coaxiality is superior to 0.004.
As shown in fig. 4, the compression nut 3 is of a cylindrical structure, the right side of the compression nut is a counter bore, threads 31 are arranged on the wall of the bore, and a straight groove is arranged on the other end face of the compression nut and used for fixing the flange plate 4 to be screwed.
As shown in fig. 5, the flange plate 4 of the typical part is generally provided with 10 or 11 flange holes 41 on the end surface, the requirement of the position degree of the flange plate relative to the outer circle is better than 0.015, the inner circle is the contact surface 42 of the dividing plate, and the coaxiality of the flange plate relative to the outer circle is better than 0.003mm.
As shown in fig. 6, a temporary positioning pin 5 is used for initial clamping and positioning of a flange of a part, and has a cylindrical structure, and a section of positioning conical surface 51 is arranged at the right end and is used for circular contact with a flange hole opening of the flange 4.
The detailed working process is as follows:
(1) Inserting a pulling pin 7 into a taper shank fixing disc 1, installing a spring 8 into the spring, sleeving a spring seat 9, fixing the spring seat 9 in the taper shank fixing disc 1 by using a screw, screwing a nut into the left side of the pulling pin 7 to be used as a pulling handle, installing the taper shank fixing disc 7 assembled with the pulling pin 7 on a C shaft of a machine tool headstock, and connecting the taper shank fixing disc 7 with the machine tool headstock through a Morse taper;
(2) Connecting the indexing disc 2 with the flange plate 4 through a workpiece positioning surface 23, pinning the indexing disc 2 and the flange plate 4 into the same-phase hole through a positioning pin 5, screwing the compression nut 3 and the indexing disc 2 through threads, and then taking out the positioning pin 5;
(3) Pulling out the pulling pin 7 in the step (1), mounting the assembly assembled in the step (2) on a positioning boss 13 of the dividing plate, loosening the pulling pin 7, inserting the pulling pin into a pin hole of the dividing plate 2, fixing the assembly in the step (2) on the taper shank fixing plate 1 in the step (1) by using a set screw 6, and finishing the installation of the tool;
(4) Grinding the 4 holes of the flange plate which are collinear with the axis of the taper shank fixing disc 1 by using an inner hole grinding wheel of an inner hole grinding machine;
(5) Loosening the set screw 6, pulling out the pull pin 7, rotating the assembly in the step (2) to the position of another hole, loosening the pull pin 7, keeping the pull pin 7 pinned into the other hole of the indexing disc 2, and screwing the set screw 6;
(6) Repeating the steps (4) and (5) until all the planetary holes in the flange plate 4 are ground;
(7) And (5) repeating the steps (2) to (6) to realize workpiece replacement and finish the grinding of the planet hole.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make possible variations and modifications of the present invention using the method and the technical contents disclosed above without departing from the spirit and scope of the present invention, and therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are all within the scope of the present invention.
Those skilled in the art will appreciate that the details of the invention not described in detail in this specification are well within the skill of those in the art.
Claims (1)
1. The utility model provides a minor diameter flange part planet hole grinding frock which characterized in that: the grinding machine comprises a taper shank fixing disc, an index plate, a compression nut, a flange plate, a positioning pin, a set screw, a pull pin, a spring and a spring seat, wherein the index plate is fixedly connected with the taper shank fixing disc through the set screw;
the taper shank fixing disc comprises a connecting conical surface, a balance table, an index disc positioning boss and a pin pulling hole, the balance table, the index disc positioning boss and the pin pulling hole are arranged on the same side of the connecting conical surface, the balance table performs mass balance on the tool when a workpiece is machined, the index disc positioning boss is used for positioning the index disc, and the pin pulling hole is matched with the pin pulling and plugging;
the indexing disc positioning boss is provided with a rotary axis, the section of the rotary axis is the same as that of the taper shank fixing disc, and the distance between the two axes is the radius of a flange plate planet hole distribution circle; the position of the rotary axis is consistent with the position of the axis of the indexing hole of the indexing disc;
the left end face of the indexing disc is provided with indexing holes the number of which is the same as that of the planetary holes of the flange disc, the positions of the indexing holes are matched with the pin pulling holes, the center of the indexing disc is provided with a positioning sink groove for being matched and connected with a positioning boss of the indexing disc, the right end face of the indexing disc is provided with cutter relieving sink grooves the number of which is the same as that of the left end face, the size of each cutter relieving sink groove is larger than the diameter of the indexing hole, the right end face of the indexing disc is provided with a step face, and the step face is provided with a circular boss workpiece positioning face for positioning the center of the flange disc;
wherein, the position degree of the dividing disc relative to the planet hole of the excircle of the counter bore at the left end is better than 0.008mm; the excircle of the boss at the other end is coaxial with the excircle of the counter bore at the left end, and the coaxiality is superior to 0.004;
the compression nut is of a cylindrical structure, a counter bore is formed in the right side of the compression nut, threads are formed in the wall of the bore, and a straight groove is formed in the end face of the left side of the compression nut and used for fixing the flange plate to be screwed;
a flange hole is formed in the end face of one side of the flange plate, the inner circle of the flange plate is an index plate contact face, and the number of the flange holes is 10 or 11;
the position degree of the flange plate relative to the outer circle is required to be better than 0.015, the inner circle is a contact surface of the dividing plate, and the coaxiality relative to the outer circle is better than 0.003mm;
the positioning pin is of a cylindrical structure, and a positioning conical surface is arranged at the right end of the positioning pin and is used for circularly contacting with an orifice of a flange hole of the flange plate;
a method for grinding the planet hole of the small-diameter flange part is realized according to a tool for grinding the planet hole of the small-diameter flange part, and comprises the following steps:
(1) Inserting a pulling pin into a taper shank fixing disc, installing a spring and sleeving the spring seat, fixing the spring seat in the taper shank fixing disc by using a screw, screwing a nut into the left side of the pulling pin to be used as a pulling handle, and installing the taper shank fixing disc assembled with the pulling pin on a C shaft of a machine tool headstock and connecting the taper shank fixing disc with the machine tool headstock through a Morse taper;
(2) Connecting the dividing plate with the flange plate through a workpiece positioning surface, pinning the dividing plate and the flange plate into the same-phase hole through a positioning pin, screwing the compression nut and the dividing plate through threads, and then taking out the positioning pin;
(3) Pulling out the pulling pin, installing the assembly assembled in the step (2) on a positioning boss of the dividing plate, loosening the pulling pin, inserting the pulling pin into a pin hole of the dividing plate, fixing the assembly assembled in the step (2) on the taper shank fixing plate by using a set screw, and finishing the installation of the tool;
(4) Grinding the flange hole of the flange plate which is collinear with the axis of the taper shank fixing disc by using an inner hole grinding wheel of the inner hole grinding machine;
(5) Loosening the set screw and pulling out the pulling pin, rotating the assembly assembled in the step (2) to the position of the other indexing hole, loosening the pulling pin, keeping the pulling pin to enter the other indexing hole of the indexing disc, and screwing the set screw;
(6) Repeating the step (4) and the step (5) until all the planetary holes of the flange plate are ground;
(7) And (5) repeating the steps (2) to (6) to finish the replacement of the workpiece and the grinding of the planet hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110710519.9A CN113579877B (en) | 2021-06-25 | 2021-06-25 | Small-diameter flange part planet hole grinding tool and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110710519.9A CN113579877B (en) | 2021-06-25 | 2021-06-25 | Small-diameter flange part planet hole grinding tool and method |
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| CN113579877A CN113579877A (en) | 2021-11-02 |
| CN113579877B true CN113579877B (en) | 2022-10-14 |
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| CN114211325B (en) * | 2021-11-05 | 2023-11-14 | 重庆红江机械有限责任公司 | Indexable eccentric turning and grinding clamp and application method thereof |
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