CN114473082B - Rolling method of gear using round die - Google Patents

Rolling method of gear using round die Download PDF

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Publication number
CN114473082B
CN114473082B CN202111581043.XA CN202111581043A CN114473082B CN 114473082 B CN114473082 B CN 114473082B CN 202111581043 A CN202111581043 A CN 202111581043A CN 114473082 B CN114473082 B CN 114473082B
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gear
air
processed
round
rolling
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CN114473082A (en
Inventor
于德于
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Dongtai Shuangxia Tools Co ltd
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Dongtai Shuangxia Tools Co ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a rolling method of a gear using a round die, which relates to the technical field of rolling of gears using round dies, in particular to a rolling method of gears using round dies, comprising the following steps: s1, assembling a rolling platform of a gear; s2, selecting a round die with an adaptive size, and mounting the round die on a rolling platform; s3, fixing a gear original to be processed; s4, using a rolling platform and rolling the gear. According to the invention, the gear element to be processed can be placed on the centering lug of the processing platform, the position of the gear element to be processed is preliminarily adsorbed and fixed by matching with the rubber sucker, then the air at the contact surface between the rubber sucker and the gear element to be processed is pumped by the air pump, the rubber sucker is in a negative pressure state, the air is guided into the object placing plate through the through hole, then is discharged into the air tank through the rotary joint and the air pipe, and the air in the air tank is pumped out through the booster air pump, and is filtered and discharged into the air filter through the metal filter screen of the buffer tank.

Description

Rolling method of gear using round die
Technical Field
The present invention relates to the field of rolling technology of gears using round dies, and more particularly, to a rolling method of gears using round dies.
Background
When the wafer die is used for processing threads, the thread is in a half-cutting and half-extrusion state. The inner diameter and the intermediate diameter of the die are cutting portions. The screw die is equivalent to a nut with high hardness, a plurality of chip removing holes are formed around the screw hole, and cutting cones are generally ground at two ends of the screw hole. The dies are classified into round dies, square dies, hexagonal dies and tubular dies according to the shape and use. When the pitch diameter of the machined thread exceeds the tolerance, the adjusting groove on the threading die can be cut so as to adjust the pitch diameter of the thread. The die can be arranged in a die wrench for manually machining threads, and also can be arranged in a die frame for use on a machine tool. Screw threads processed by the screw die have lower precision, but the screw die is still widely applied in single-piece, small-batch production and repair due to simple structure and convenient use.
The existing round die has the defects of single installation mode, inconvenient replacement or maintenance and poor adaptability, and therefore, the rolling method of the gear using the round die is provided.
Disclosure of Invention
The object of the present invention is to provide a rolling method of a gear using a round die.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method of rolling a gear using a round die, comprising the steps of:
s1, assembling a rolling platform of a gear;
s2, selecting a round die with an adaptive size, and mounting the round die on a rolling platform;
s3, fixing a gear original to be processed;
s4, using a rolling platform and rolling the gear.
3. Preferably, in the step S1, the method further includes the following steps:
s11, selecting a proper processing platform, installing a centering lug in a round table shape at the center of the processing platform, forming a through groove in the processing platform, and embedding a storage plate with an adaptable size in the through groove;
s12, arranging a plurality of notches at the top of the outer wall of the object placing plate, arranging corresponding through holes in the notches, fixing rubber suction cups in the notches in a threaded manner, communicating the suction cups with the object placing plate through the through holes, filling the rubber suction cups in the notches and filling the rubber suction cups in the notches, and filling a plurality of rubber sealing rings in the notches to make up for gaps between the rubber suction cups and the notches;
s13, connecting an air inlet of the object placing plate with a rotatable joint, leading out an air pipe from the rotatable joint, connecting an air pump with a control valve and an air tank, and communicating the air tank with the object placing plate through the air pump, the control valve and the air tank;
s14, connecting a hollow metal pipe at the joint of the object placing plate and the rotary joint, sleeving a fixed gear set outside the hollow metal pipe, connecting the gear set into a gear motor, and electrically connecting the gear motor with a PLC (programmable logic controller) through a wire;
s15, two groups of clamping mechanisms and pushing mechanisms are arranged on the processing platform.
Preferably, the storage plate in step S11 is integrally cast and formed by a mold, and the storage plate is prepared into a T-shaped structure, so that the interior of the storage plate is hollow.
Preferably, the rubber suction cup in the step S12 is composed of a suction cup and a metal bottom post, the metal bottom post can be in threaded fit with the notch, and the rubber suction cup can be fixed on the object placing plate through the fit of the metal bottom post and the notch.
Preferably, the air tank in the step S13 may be connected to the booster air pump and the air filter, and a through pipe is connected between the air tank and the air filter, the middle part of the through pipe is connected to the hollow buffer tank, and a plurality of groups of metal filter screens are arranged in the buffer tank, and the metal filter screens are tightly pressed by the external screw tank covers at two ends of the buffer tank, so that the positions of the metal filter screens are limited.
Preferably, the clamping mechanism in the step S15 adopts a structure similar to a mechanical claw, and the pushing mechanism adopts hydraulic power to push and is matched with the laser measuring equipment.
Preferably, in the step S2, the method further includes the following steps:
s21, selecting a round die with an adaptive size according to size data set by the gear, clamping the round die through a clamping mechanism, limiting the position of the round die, and keeping the round die and the center of the centering lug in the same horizontal plane;
s22, installing the clamping mechanism on the pushing mechanism, pushing the clamping mechanism through the pushing mechanism, and pushing the round die to a proper position.
Preferably, in the step S3, the method further includes the following steps:
s31, placing the gear original to be processed on a centering lug of a processing platform, determining the axle center of the gear original to be processed, and fixing the position of the gear original to be processed by being preliminarily adsorbed by a rubber sucker;
s32, pumping gas at the contact surface between the rubber sucker and the gear original to be processed through the air pump, enabling the rubber sucker to be in a negative pressure state, guiding the gas into the object placing plate through the through hole, and discharging the gas into the air tank through the rotary joint and the air pipe;
s33, the booster air pump evacuates the air in the air tank, filters and discharges the air into the air filter through the metal filter screen of the buffer tank, and discharges the filtered air.
Preferably, in the step S4, the method further includes the following steps:
s41, pushing the round die against a gear original to be processed through a pushing mechanism, pushing the round die again according to gear design data, and enabling the gear original to be processed to be pressed out of the gear;
s42, changing the rotation angle of the object placing plate through the gear motor matched with the gear set, adjusting the rotation angle of the gear original piece to be processed, and circularly and reciprocally pushing the round die through the pushing mechanism, so that the gear can be prepared.
The invention has at least the following beneficial effects:
the invention can place the gear original to be processed on the centering lug of the processing platform, which is used for determining the axle center of the gear original to be processed, and is matched with the rubber sucker to primarily absorb and fix the position of the gear original to be processed, then the air pump is used for pumping the air of the contact surface between the rubber sucker and the gear original to be processed, the rubber sucker is in a negative pressure state, the air is led into the inside of the object placing plate through the through hole, then the air is discharged into the air tank through the rotary joint and the air pipe, the air in the air tank is pumped out through the booster air pump, the filtered air is filtered and discharged into the air filter through the metal filter screen of the buffer tank, and then the filtered air is discharged, the round die is propped against the gear original to be processed through the pushing mechanism, and the round die is pushed again according to the gear design data, so that the gear original to be processed is extruded out, the rotation angle of the object placing plate is changed through the gear reducing motor matched with the gear set, the rotation angle of the gear original to be processed is adjusted, and the round die is pushed in a circulating and reciprocating way, and the gear can be prepared.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
A method of rolling a gear using a round die, comprising the steps of:
s1, assembling a rolling platform of a gear;
s2, selecting a round die with an adaptive size, and mounting the round die on a rolling platform;
s3, fixing a gear original to be processed;
s4, using a rolling platform and rolling the gear.
The scheme comprises the following working processes:
firstly, selecting a proper processing platform, installing a centering lug in a round table shape at the center of the processing platform, opening a through groove in the processing platform, embedding a storage plate with an adaptive size in the through groove, opening a plurality of notches at the top of the outer wall of the storage plate, opening corresponding through holes in the notches, fixing a rubber sucker thread in the notches, connecting the sucker with the storage plate through the through holes, slightly higher than the surface of the storage plate at the top of the rubber sucker, filling the rubber sucker into the notches, filling a plurality of rubber sealing rings in the notches to make up the gap between the rubber sucker and the notches, connecting an air inlet of the storage plate into a rotatable joint, leading the rotatable joint out of an air pipe connecting air pump, the air tank is communicated with the object placing plate through the air pump, the control valve and the air tank, the air tank can be connected with the booster air pump and the air filter, a through pipe is connected between the air tank and the air filter, the hollow buffer tank is connected in the middle of the through pipe, a plurality of groups of metal filter screens are arranged in the buffer tank, the metal filter screens are tightly pressed through external thread tank covers at two ends of the buffer tank, the positions of the metal filter screens are limited, then, a hollow metal pipe is connected at the joint of the object placing plate and the rotary joint, a fixed gear set is sleeved outside the hollow metal pipe, the gear set is connected with a gear motor, the gear motor is electrically connected with the PLC through a wire, and two groups of clamping mechanisms and pushing mechanisms are further arranged on the processing platform
Secondly, selecting a round die with an adaptive size according to the size data set by the gear, clamping the round die by a clamping mechanism, limiting the position of the round die, keeping the round die and the center of the centering lug in the same horizontal plane, installing the clamping mechanism on a pushing mechanism, pushing the clamping mechanism by the pushing mechanism, and pushing the round die to a proper position
Finally, the gear original to be processed is arranged on the centering lug of the processing platform and used for determining the axis of the gear original to be processed, the position of the gear original to be processed is preliminarily adsorbed and fixed by matching with the rubber sucker, then the air at the contact surface between the rubber sucker and the gear original to be processed is pumped by the air pump, the rubber sucker is in a negative pressure state, the air is led into the inside of the object placing plate through the through hole, the air is discharged into the air tank through the rotary joint and the air pipe, the air in the air tank is pumped out through the booster air pump, the filtered air is filtered and discharged through the metal filter screen of the buffer tank, then the round die is propped against the gear original to be processed through the pushing mechanism, the round die is pushed again according to the gear design data, the gear original to be processed is enabled to be extruded out, the rotation angle of the object placing plate is changed through the gear reducing motor matching with the gear set, the rotation angle of the gear original to be processed is adjusted, and the round die is pushed in a circulating and reciprocating mode through the pushing mechanism, and gears can be prepared.
The working process can be as follows:
the invention can place the gear original to be processed on the centering lug of the processing platform, which is used for determining the axle center of the gear original to be processed, and is matched with the rubber sucker to primarily absorb and fix the position of the gear original to be processed, then the air pump is used for pumping the air of the contact surface between the rubber sucker and the gear original to be processed, the rubber sucker is in a negative pressure state, the air is led into the inside of the object placing plate through the through hole, then the air is discharged into the air tank through the rotary joint and the air pipe, the air in the air tank is pumped out through the booster air pump, the filtered air is filtered and discharged into the air filter through the metal filter screen of the buffer tank, and then the filtered air is discharged, the round die is propped against the gear original to be processed through the pushing mechanism, and the round die is pushed again according to the gear design data, so that the gear original to be processed is extruded out, the rotation angle of the object placing plate is changed through the gear reducing motor matched with the gear set, the rotation angle of the gear original to be processed is adjusted, and the round die is pushed in a circulating and reciprocating way, and the gear can be prepared.
Further, in step S1, the method further includes the following steps:
s11, selecting a proper processing platform, installing a centering lug in a round table shape at the center of the processing platform, forming a through groove in the processing platform, and embedding a storage plate with an adaptable size in the through groove;
s12, arranging a plurality of notches at the top of the outer wall of the object placing plate, arranging corresponding through holes in the notches, fixing rubber suction cups in the notches in a threaded manner, communicating the suction cups with the object placing plate through the through holes, filling the rubber suction cups in the notches and filling the rubber suction cups in the notches, and filling a plurality of rubber sealing rings in the notches to make up for gaps between the rubber suction cups and the notches;
s13, connecting an air inlet of the object placing plate with a rotatable joint, leading out an air pipe from the rotatable joint, connecting an air pump with a control valve and an air tank, and communicating the air tank with the object placing plate through the air pump, the control valve and the air tank;
s14, connecting a hollow metal pipe at the joint of the object placing plate and the rotary joint, sleeving a fixed gear set outside the hollow metal pipe, connecting the gear set into a gear motor, and electrically connecting the gear motor with a PLC (programmable logic controller) through a wire;
s15, two groups of clamping mechanisms and pushing mechanisms are arranged on the processing platform.
Further, the storage plate in step S11 is integrally cast and formed by a mold, and the storage plate is prepared into a T-shaped structure, so that the interior of the storage plate is in a hollow structure.
Further, the rubber sucker in the step S12 is composed of a sucker and a metal bottom post, the metal bottom post can be in threaded fit with the notch, and the rubber sucker can be fixed on the object placing plate through the fit of the metal bottom post and the notch.
Further, the air tank in the step S13 can be connected with the power-assisted air pump and the air filter, a through pipe is connected between the air tank and the air filter, the middle part of the through pipe is connected with the hollow buffer tank, a plurality of groups of metal filter screens are arranged in the buffer tank, and the metal filter screens are tightly pressed through external thread tank covers at two ends of the buffer tank, so that the positions of the metal filter screens are limited.
Further, the clamping mechanism in step S15 adopts a structure similar to a mechanical claw, and the pushing mechanism adopts hydraulic power to push and is matched with the laser measuring equipment.
Further, in step S2, the method further includes the following steps:
s21, selecting a round die with an adaptive size according to size data set by the gear, clamping the round die through a clamping mechanism, limiting the position of the round die, and keeping the round die and the center of the centering lug in the same horizontal plane;
s22, installing the clamping mechanism on the pushing mechanism, pushing the clamping mechanism through the pushing mechanism, and pushing the round die to a proper position.
Further, in step S3, the method further includes the following steps:
s31, placing the gear original to be processed on a centering lug of a processing platform, determining the axle center of the gear original to be processed, and fixing the position of the gear original to be processed by being preliminarily adsorbed by a rubber sucker;
s32, pumping gas at the contact surface between the rubber sucker and the gear original to be processed through the air pump, enabling the rubber sucker to be in a negative pressure state, guiding the gas into the object placing plate through the through hole, and discharging the gas into the air tank through the rotary joint and the air pipe;
s33, the booster air pump evacuates the air in the air tank, filters and discharges the air into the air filter through the metal filter screen of the buffer tank, and discharges the filtered air.
Further, in step S4, the method further includes the following steps:
s41, pushing the round die against a gear original to be processed through a pushing mechanism, pushing the round die again according to gear design data, and enabling the gear original to be processed to be pressed out of the gear;
s42, changing the rotation angle of the object placing plate through the gear motor matched with the gear set, adjusting the rotation angle of the gear original piece to be processed, and circularly and reciprocally pushing the round die through the pushing mechanism, so that the gear can be prepared.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A method of rolling a gear using a round die, comprising the steps of:
s1, assembling a rolling platform of a gear;
s2, selecting a round die with an adaptive size, and mounting the round die on a rolling platform;
s3, fixing a gear original to be processed;
s4, using a rolling platform and rolling the gear;
in the step S1, the method further includes the following steps:
s11, selecting a proper processing platform, installing a centering lug in a round table shape at the center of the processing platform, forming a through groove in the processing platform, and embedding a storage plate with an adaptable size in the through groove;
s12, arranging a plurality of notches at the top of the outer wall of the object placing plate, arranging corresponding through holes in the notches, fixing rubber suction cups in the notches in a threaded manner, communicating the suction cups with the object placing plate through the through holes, filling the rubber suction cups in the notches and filling the rubber suction cups in the notches, and filling a plurality of rubber sealing rings in the notches to make up for gaps between the rubber suction cups and the notches;
s13, connecting an air inlet of the object placing plate with a rotatable joint, leading out an air pipe from the rotatable joint, connecting an air pump with a control valve and an air tank, and communicating the air tank with the object placing plate through the air pump, the control valve and the air tank;
s14, connecting a hollow metal pipe at the joint of the object placing plate and the rotary joint, sleeving a fixed gear set outside the hollow metal pipe, connecting the gear set into a gear motor, and electrically connecting the gear motor with a PLC (programmable logic controller) through a wire;
s15, two groups of clamping mechanisms and pushing mechanisms are arranged on the processing platform.
2. The rolling method of gears using round dies according to claim 1, characterized in that: the object placing plate in the step S11 is integrally poured and formed by a die, and the object placing plate is prepared into a T-shaped structure, so that the interior of the object placing plate is of a hollow structure.
3. The rolling method of gears using round dies according to claim 1, characterized in that: the rubber sucker in the step S12 consists of a sucker and a metal bottom column, the metal bottom column can be in threaded fit with the notch, and the rubber sucker can be fixed on the object placing plate through the fit of the metal bottom column and the notch.
4. The rolling method of gears using round dies according to claim 1, characterized in that: the gas tank in the step S13 can be connected with a power-assisted gas pump and an air filter, a through pipe is connected between the gas tank and the air filter, the middle part of the through pipe is connected with a hollow buffer tank, a plurality of groups of metal filter screens are arranged in the buffer tank, and the metal filter screens are tightly pressed through external thread tank covers at two ends of the buffer tank, so that the positions of the metal filter screens are limited.
5. The rolling method of gears using round dies according to claim 1, characterized in that: the clamping mechanism in the step S15 adopts a structure similar to a mechanical claw, and the pushing mechanism adopts hydraulic power to push and is matched with the laser measuring equipment.
6. The rolling method of gears using round dies according to claim 1, characterized in that: in the step S2, the method further includes the following steps:
s21, selecting a round die with an adaptive size according to size data set by the gear, clamping the round die through a clamping mechanism, limiting the position of the round die, and keeping the round die and the center of the centering lug in the same horizontal plane;
s22, installing the clamping mechanism on the pushing mechanism, pushing the clamping mechanism through the pushing mechanism, and pushing the round die to a proper position.
7. The rolling method of gears using round dies according to claim 1, characterized in that: in the step S3, the method further includes the following steps:
s31, placing the gear original to be processed on a centering lug of a processing platform, determining the axle center of the gear original to be processed, and fixing the position of the gear original to be processed by being preliminarily adsorbed by a rubber sucker;
s32, pumping gas at the contact surface between the rubber sucker and the gear original to be processed through the air pump, enabling the rubber sucker to be in a negative pressure state, guiding the gas into the object placing plate through the through hole, and discharging the gas into the air tank through the rotary joint and the air pipe;
s33, the booster air pump evacuates the air in the air tank, filters and discharges the air into the air filter through the metal filter screen of the buffer tank, and discharges the filtered air.
8. The rolling method of gears using round dies according to claim 1, characterized in that: in the step S4, the method further includes the following steps:
s41, pushing the round die against a gear original to be processed through a pushing mechanism, pushing the round die again according to gear design data, and enabling the gear original to be processed to be pressed out of the gear;
s42, changing the rotation angle of the object placing plate through the gear motor matched with the gear set, adjusting the rotation angle of the gear original piece to be processed, and circularly and reciprocally pushing the round die through the pushing mechanism, so that the gear can be prepared.
CN202111581043.XA 2021-12-22 2021-12-22 Rolling method of gear using round die Active CN114473082B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202111581043.XA CN114473082B (en) 2021-12-22 2021-12-22 Rolling method of gear using round die

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Publication Number Publication Date
CN114473082A CN114473082A (en) 2022-05-13
CN114473082B true CN114473082B (en) 2023-04-28

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB622839A (en) * 1942-09-04 1949-05-09 Jiri Stivin Improvements in and relating to the fashioning of metal gears
JP2013126667A (en) * 2011-12-16 2013-06-27 Aisin Seiki Co Ltd Gear rolling method using circular die
CN211438455U (en) * 2019-11-21 2020-09-08 程向阳 Screw die capable of adjusting machining radius
CN112719481A (en) * 2020-12-21 2021-04-30 东台市双厦工具有限公司 Adjustable round die

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB622839A (en) * 1942-09-04 1949-05-09 Jiri Stivin Improvements in and relating to the fashioning of metal gears
JP2013126667A (en) * 2011-12-16 2013-06-27 Aisin Seiki Co Ltd Gear rolling method using circular die
CN103987473A (en) * 2011-12-16 2014-08-13 爱信精机株式会社 Gear rolling method using circular dies
CN211438455U (en) * 2019-11-21 2020-09-08 程向阳 Screw die capable of adjusting machining radius
CN112719481A (en) * 2020-12-21 2021-04-30 东台市双厦工具有限公司 Adjustable round die

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