CN114535716A - Worm gear tooth part shaving device and machining and mounting method thereof - Google Patents
Worm gear tooth part shaving device and machining and mounting method thereof Download PDFInfo
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- CN114535716A CN114535716A CN202210036284.4A CN202210036284A CN114535716A CN 114535716 A CN114535716 A CN 114535716A CN 202210036284 A CN202210036284 A CN 202210036284A CN 114535716 A CN114535716 A CN 114535716A
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- worm gear
- shaver
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- tooth
- cutter bar
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- 238000003754 machining Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 28
- 125000006850 spacer group Chemical group 0.000 claims abstract description 62
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000000227 grinding Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 16
- 238000013461 design Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000289763 Dasygaster padockina Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F11/00—Making worm wheels, e.g. by hobbing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/28—Shaving cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1206—Tool mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1237—Tool holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention provides a worm gear tooth shaving device: comprises a cutter bar, a razor, a first spacer bush and a second spacer bush; the cutter bar is sequentially provided with a first step surface and a second step surface along the length direction of the cutter bar, and the diameter length of the first step surface is greater than that of the second step surface; the first spacer bush is sleeved on the left side of the first step surface; the second step surface is sleeved with the second spacer sleeve along the length direction of the second step surface; the shaver is sleeved on the first step surface, a plurality of tooth parts are arranged on the shaver along the length direction of the shaver, the left end of the shaver is connected with the cutter bar through the first spacer sleeve, and the right end of the shaver is connected with the cutter bar through the second spacer sleeve. The worm gear with three-level precision can be machined by matching proper cutting parameters, and the worm gear machining device is high in reliability and machining precision.
Description
Technical Field
The invention belongs to the technical field of worm gear machining, and particularly relates to a worm gear tooth part shaving device and a machining and mounting method of the device.
Background
Because of the difference in manufacturing accuracy, the worm wheel is manufactured by selecting an economical machining method, machine tool, and the machining of the tooth portion of the high-accuracy worm wheel is usually performed by rough hobbing and finish shaving.
During fine shaving, a high-precision worm gear machining master machine and a shaving cutter matched with a machine tool need to be selected, so that the design of a special worm gear shaving device which is reliable in structure, matched with the precision of a worm gear to be machined and can be manufactured is an indispensable step.
The worm gear shaving device needs turning, gear relieving, milling, heat treatment, grinding and the like in manufacturing, required equipment comprises a lathe, a special milling machine for gear relieving, a vertical machining center, an external grinding machine, a worm grinding machine, a linear cutting machine and the like, and is limited by the size specification and the precision of the special milling machine for gear relieving and the worm grinding machine, so that the machined worm gear shaving device is poor in working reliability in actual work, and the machined worm gear is poor in precision.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a worm gear tooth part shaving device and a processing and mounting method of the device.
The invention provides a worm gear shaving device: comprises a cutter bar, a razor, a first spacer bush and a second spacer bush;
the cutter bar is sequentially provided with a first step surface and a second step surface along the length direction of the cutter bar, and the diameter length of the first step surface is greater than that of the second step surface;
the first spacer bush is sleeved on the left side of the first step surface;
the second step surface is sleeved with the second spacer sleeve along the length direction of the second step surface;
the shaver is sleeved on the first step surface, a plurality of tooth parts are arranged on the shaver along the length direction of the shaver, the left end of the shaver is connected with the cutter bar through the first spacer sleeve, and the right end of the shaver is connected with the cutter bar through the second spacer sleeve.
In the above technical solution, the present invention may be further modified as follows.
The preferable technical scheme is characterized in that: the first step surface is provided with a flat key, the cutter bar is connected with the first spacer through the flat key, the right end of the shaver is provided with a spacer with a key, and the shaver is connected with the second spacer through the spacer with the key.
The preferable technical scheme is characterized in that: the right-hand member of second step face has first nut and second nut from left to right spiro union in proper order, the left end face of first nut compresses tightly the second spacer.
The preferable technical scheme is characterized in that: the right-hand member of second step face has first nut and second nut from left to right spiro union in proper order, the left end face of first nut compresses tightly the second spacer.
The invention also provides a machining and mounting method of the worm gear tooth shaving device, which comprises the steps of:
s1, designing parameters of the tooth part of the shaver, and processing the shaver according to the parameters;
s2, assembling the cutter bar, the shaver, the first spacer bush, the second spacer bush, the flat key, the second flat key, the spacer bush with the key, the first nut and the second nut;
s3, grinding the shaving spiral surface of the shaver by the shaver through a worm grinding machine, and then grinding the left end of the cutter bar through a cylindrical grinding machine to obtain 7: 24, correcting the reference surfaces of the tool shank and the second spacer bush simultaneously on the outer circular surface of the main shaft, and controlling the action tolerance of a grinding part within 0.002 mm;
s4, mounting the outer circular surface of the main shaft of the cutter bar on a machine tool main shaft of a high-precision worm gear master machine;
s5, mounting the second spacer bush on a dragging seat of the high-precision worm gear female machine;
s6, locking the second nut to enable the tool shank to be locked on a machine tool of the high-precision worm gear master machine;
and S7, measuring the jitter of the correction datum planes of the cutter bar and the second spacer bush by using a measuring piece, wherein the jitter value is controlled within 0.002 mm.
The preferable technical scheme is characterized in that: s8, correcting the clamp when shaving the worm wheel on the part, aligning the circular runout of the positioning surface of the clamp within 0.002mm, aligning the part according to the requirements of the clamp, and performing the center distance and the center height of the part according to the requirements of the part design drawing.
The preferable technical scheme is characterized in that: the method also comprises the step S9 of finding out the optimal cutting parameters during the part processing through the vibration test analysis result.
The preferable technical scheme is characterized in that: the measuring piece is a dial indicator.
The preferable technical scheme is characterized in that: in the step S1: the blade part material of the razor selects W6Mo5Cr4V2, is not higher than HRC66 after heat treatment, and is provided with a chip groove which is a through groove.
The preferable technical scheme is characterized in that: in the step S1: the width of the rear cutter face of the tooth part is a cutting edge which is positioned on the side spiral face, no rear angle exists, scrap scraping processing is carried out through extrusion in the working process, the tooth top of the shaver does not participate in the work, the tooth top height of the tooth part is smaller than that of the worm gear hob before shaving, and is 0.1 x worm axial modulus larger than that of the working worm.
The preferable technical scheme is characterized in that: in the step S1: the thickness of the reference circle of the shaver is 0.2-0.4mm larger than that of the working worm, the thickness of the reference circle is used as regrinding reserve, the sharpening width of the rear cutter face of the tooth part is 0.3-0.4mm, and a section of the tooth face without a chip groove is designed for testing tooth profile, tooth pitch and tooth thickness.
The invention has the beneficial effects that: the worm gear tooth part shaving device and the processing method thereof adopted by the invention have the advantages that the design specifications of the shaving device are brought into the enterprise standards, the machine tool is guided to design the shaving tools of the transmission worm gear pairs with different specifications, and the problem that the high-precision shaving tools are not available when the transmission worm gear pairs are finely processed by a company is thoroughly solved. The technological parameters and the processing flow of the shaving cutter used on the high-precision worm gear female machine are brought into company internal control technological files and input into a company CAPP database, so that when a company processes a high-precision worm gear pair, the batch, standardization and normalization of products and the interchangeability of high-precision worm gear byproducts are realized. To this end, the company is
And (3) performing finish machining on the worm gear pair with the specification, namely assembling a special worm gear shaver on a high-precision worm gear female machine tool rest and matching with proper cutting parameters to process worm gears with three-level precision in batch. The three-level precision worm gear pair is successfully assembled on a Y3180CNC6 indexing table, high-precision indexing movement is achieved, a machine tool with the three-level precision worm gear pair is assembled, working precision after gear cutting can enable working precision of a tooth pitch error item (Fp GB/T10095.1-2001) to be reserved and improved by two to three levels, machine tool performance is greatly improved, and the international leading level of the similar machine tool is achieved. The shaving device has the advantages of reliable structure, high reliability and high processing precision.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a worm gear shaving apparatus according to embodiment 1 of the present invention.
Fig. 2 is an assembly view of a worm-gear shaving apparatus according to embodiment 1 of the present invention.
Fig. 3 is a first parameter design diagram of a tooth portion according to embodiment 2 of the present invention.
Fig. 4 is a second schematic view of the design of the tooth part parameters in embodiment 2 of the present invention.
Fig. 5 is a third schematic view of the design of the tooth portion parameters in embodiment 2 of the present invention.
Fig. 6 is an alignment view of the positioning surface of the jig according to embodiment 2 of the present invention.
FIG. 7 is a statistical table of X/Y/Z direction vibration acceleration parameters of a workbench of a worm gear and worm mother machine in embodiment 2 of the invention
Fig. 8 is a statistical table of vibration acceleration parameters of the worm gear and worm main machine main shaft in each direction in embodiment 2 of the present invention.
In the figure, the respective symbols have the following meanings:
1. a cutter bar; 11. a first step surface; 12. a second step surface; 2. a razor; 21. a tooth portion; 3. a first spacer sleeve; 4. a second spacer sleeve; 5. a flat bond; 6. a spacer bush with a key; 7. a first nut; 8. a second nut.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following examples are illustrated and described in detail as follows:
example 1
Referring to fig. 1 and 2, the present embodiment provides a shaving device for a phi 800 specification three-level precision worm gear tooth part: comprises a cutter bar 1, a razor 2, a first spacer 3 and a second spacer 4;
the cutter bar 1 is sequentially provided with a first step surface 11 and a second step surface 12 along the length direction of the cutter bar 1, and the diameter length of the first step surface 11 is greater than that of the second step surface 12;
the first spacer 3 is sleeved on the left side of the first step surface 11;
the second step surface 12 is sleeved with the second spacer 4 along the longitudinal direction of the second step surface 12;
the shaver 2 is sleeved on the first step surface 11, a plurality of tooth parts 21 are arranged on the shaver 2 along the length direction of the shaver 2, the left end of the shaver 2 is connected with the shaver rod 1 through the first spacer 3, and the right end of the shaver 2 is connected with the shaver rod 1 through the second spacer 4.
Referring to fig. 1 and 2, a flat key 5 is arranged on the first step surface 11, the cutter bar 1 is connected with the first spacer 3 through the flat key 5, a spacer 6 with a key is arranged at the right end of the shaver 2, and the shaver 2 is connected with the second spacer 4 through the spacer 6 with a key.
Referring to fig. 1 and 2, a first nut 7 and a second nut 8 are sequentially screwed on the right end of the second step surface 12 from left to right, and the left end surface of the first nut 7 compresses the second spacer 4.
Referring to fig. 1 and 2, a first nut 7 and a second nut 8 are sequentially screwed on the right end of the second step surface 12 from left to right, the left end surface of the first nut 7 compresses the second spacer 4, and the second nut 8 is used for locking the cutter bar 1 on a special machine tool after the worm gear shaving device is mounted on the machine tool.
The worm gear tooth part adopted by the embodiment is shaved and assembled on a high-precision worm gear female machine tool rest, and the worm gear with three-level precision can be processed by matching with proper cutting parameters. The shaving device of the embodiment has a reliable structure, high reliability and high processing precision.
Example 2
The embodiment also provides a processing and mounting method for the phi 800-specification three-level precision worm gear tooth shaving device, which comprises the processing and mounting method for the phi 800-specification three-level precision worm gear tooth shaving device in the embodiment 1,
the method comprises the following steps:
s1, designing the parameters of the teeth 21 of the shaver 2 and processing the shaver 2 according to the parameters, the specific parameters of the teeth 21 of the shaver 2 are as shown in figures 3 to 5,
s2, assembling the cutter bar 1, the shaver 2, the first spacer 3, the second spacer 4, the flat key 5, the second flat key 5, the spacer 6 with the key, the first nut 7 and the second nut 8;
s3, grinding the shaving spiral surface of the razor 2 by the razor 2 through a worm grinder (clinbeck worm grinder), and then grinding the left end of the cutter bar 1 through a cylindrical grinder (scott cylindrical grinder) to obtain 7: 24, correcting the reference surfaces of the tool shank 1 and the second spacer 4 simultaneously on the outer circular surface of the main shaft, and controlling the action tolerance of a grinding part within 0.002 mm;
s4, mounting the outer circular surface of the main shaft of the cutter bar 1 on the machine tool main shaft of the high-precision worm gear master machine;
s5, mounting the second spacer 4 on a dragging seat of a high-precision worm gear female machine;
s6, locking the second nut 8 to enable the tool shank 1 to be locked on a machine tool of the high-precision worm gear master machine;
and S7, measuring the jitter of the correction reference surfaces of the cutter bar 1 and the second spacer 4 by using a measuring piece, wherein the jitter value is controlled within 0.002 mm.
Referring to fig. 6, the method further includes the steps of S8, when the worm wheel on the part is shaved, the clamp is corrected, the circular runout of the positioning surface of the clamp is aligned to be within 0.002mm, the part is aligned according to the requirements of the clamp, and the center distance and the center height of the part are performed according to the requirements of a part design drawing.
Referring to fig. 7 to 8, the method of the present embodiment further includes step S9, finding out the optimal cutting parameters during machining the part according to the vibration test analysis result.
The measuring part of the embodiment is a dial indicator.
In step S1 of this embodiment: the blade part material of razor 2 chooses W6Mo5Cr4V2 for use, and is not higher than HRC66 after the thermal treatment, be equipped with the chip groove on razor 2, the chip groove is the logical slot type.
In addition, the material of the tool shank 1 is 40Cr, and is not higher than HRC45 after heat treatment.
In step S1 of this embodiment: the rear cutter face of the tooth part 21 of the shaver 2 is a cutting edge which is positioned on the side spiral face and has no rear angle, scrap scraping processing is carried out through extrusion in the working process, the tooth top of the shaver 2 does not participate in working, and the tooth top height of the tooth part 21 is smaller than that of a worm gear hob before shaving and is 0.1 times larger than the tooth top of a working worm.
In step S1 of this embodiment: the reference circle tooth thickness of the shaver 2 is 0.2-0.4mm larger than that of the working worm, the sharpening width of the rear cutter face of the tooth part 21 is 0.3-0.4mm as regrinding reserve, and a section of the tooth face without a chip groove is designed for testing tooth profile, tooth pitch and tooth thickness of the shaver 2.
According to the stress analysis during hobbing in the embodiment, the first nut 7 and the second nut 8 are designed in a left-handed mode, and in addition, all sleeve type holes and shafts are matched and ground according to the marking technical requirement of '0.003-0.005 mm'.
The device for shaving the gear part of the phi 800-specification three-level precision worm gear is designed by adopting the processing and mounting method, the jump of a correction reference surface can reach 0.002mm after the device is mounted on a special worm gear female machine, finite element analysis and field worm gear shaving tests are carried out through analysis software Hyperworks, the device has a reliable structure, has higher rigid storage to resist cutting force generated in the cutting process, and can effectively meet the requirements of shaving the gear part of the phi 800-specification worm gear and ensure that the manufacturing precision of the cut worm gear reaches 3-level (GB/T10089-88).
The worm gear tooth part shaving device processed by the processing and mounting method is successfully applied to a special machine tool of YD3152CNC6/CCLX1 Chongqing gearbox company Limited, the indexing precision of a workbench of the special machine completely meets the technical protocol requirement, the precision reserve is high, and the effect is good.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply mean that the horizontal width of the first feature is greater than that of the second feature. A first feature "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or simply mean that the first feature is smaller in horizontal width than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent. Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A shaving apparatus for a worm gear portion, characterized in that: comprises a cutter bar, a razor, a first spacer bush and a second spacer bush;
the cutter bar is sequentially provided with a first step surface and a second step surface along the length direction of the cutter bar, and the diameter length of the first step surface is greater than that of the second step surface;
the first spacer bush is sleeved on the left side of the first step surface;
the second step surface is sleeved with the second spacer sleeve along the length direction of the second step surface;
the shaver is sleeved on the first step surface, a plurality of tooth parts are arranged on the shaver along the length direction of the shaver, the left end of the shaver is connected with the cutter bar through the first spacer sleeve, and the right end of the shaver is connected with the cutter bar through the second spacer sleeve.
2. A worm-gear shaving apparatus according to claim 1, wherein: the first step surface is provided with a flat key, the cutter bar is connected with the first spacer through the flat key, the right end of the shaver is provided with a spacer with a key, and the shaver is connected with the second spacer through the spacer with the key.
3. A worm-gear shaving apparatus according to claim 1, wherein: the right-hand member of second step face has first nut and second nut from left to right spiro union in proper order, the left end face of first nut compresses tightly the second spacer.
4. A machining and mounting method of a worm gear tooth shaving device is characterized in that: a worm gear shaving apparatus comprising the worm gear according to claim 3, the method steps comprising:
s1, designing parameters of the tooth part of the shaver, and processing the shaver according to the parameters;
s2, assembling the cutter bar, the shaver, the first spacer bush, the second spacer bush, the flat key, the second flat key, the spacer bush with the key, the first nut and the second nut;
s3, grinding the shaving spiral surface of the razor by the worm grinding machine, and then grinding the left end of the cutter bar by the cylindrical grinding machine to obtain a product with the weight ratio of 7: 24, correcting the reference surfaces of the tool shank and the second spacer bush simultaneously on the outer circular surface of the main shaft, and controlling the action tolerance of a grinding part within 0.002 mm;
s4, mounting the outer circular surface of the main shaft of the cutter bar on a machine tool main shaft of a high-precision worm gear master machine;
s5, mounting the second spacer bush on a dragging seat of the high-precision worm gear female machine;
s6, locking the second nut to enable the tool shank to be locked on a machine tool of the high-precision worm gear master machine;
and S7, measuring the runout of the cutter bar and the correction reference surface of the second spacer bush by using a measuring piece, wherein the runout value is controlled within 0.002 mm.
5. The shaving apparatus for a worm gear portion and the machining and mounting method of the apparatus as claimed in claim 4, wherein: s8, correcting the clamp when shaving the worm wheel on the part, aligning the circular runout of the positioning surface of the clamp within 0.002mm, aligning the part according to the requirements of the clamp, and performing the center distance and the center height of the part according to the requirements of the part design drawing.
6. The shaving apparatus for a worm gear portion and the machining and mounting method of the apparatus as claimed in claim 5, wherein: the method also comprises the step S9 of finding out the optimal cutting parameters during the part processing through the vibration test analysis result.
7. A shaving apparatus for a worm gear portion and a machining and mounting method for the shaving apparatus according to claim 5, wherein: the measuring piece is a dial indicator.
8. The shaving apparatus for a worm gear portion and the machining and mounting method of the apparatus as claimed in claim 4, wherein: in the step S1: the blade part material of the razor selects W6Mo5Cr4V2, is not higher than HRC66 after heat treatment, and is provided with a chip groove which is a through groove.
9. The shaving apparatus for a worm gear portion and the machining and mounting method of the apparatus as claimed in claim 4, wherein: in the step S1: the width of the rear cutter face of the tooth part is a cutting edge which is positioned on the side spiral face, no rear angle exists, scrap scraping processing is carried out through extrusion in the working process, the tooth top of the shaver does not participate in the work, the tooth top height of the tooth part is smaller than that of the worm gear hob before shaving, and is 0.1 x worm axial modulus larger than that of the working worm.
10. The shaving apparatus for a worm gear portion and the machining and mounting method of the apparatus as claimed in claim 4, wherein: in the step S1: the thickness of the reference circle of the shaver is 0.2-0.4mm larger than that of the working worm, the thickness of the reference circle is used as regrinding reserve, the sharpening width of the rear cutter face of the tooth part is 0.3-0.4mm, and a section of the tooth face without a chip groove is designed for testing tooth profile, tooth pitch and tooth thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036284.4A CN114535716B (en) | 2022-01-13 | 2022-01-13 | Machining and installing method of worm gear tooth part shaving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036284.4A CN114535716B (en) | 2022-01-13 | 2022-01-13 | Machining and installing method of worm gear tooth part shaving device |
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| CN114535716A true CN114535716A (en) | 2022-05-27 |
| CN114535716B CN114535716B (en) | 2023-11-07 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280773A (en) * | 1978-05-31 | 1981-07-28 | Masato Ainoura | Shaving cutter and method of producing the same |
| JPS609617A (en) * | 1983-06-29 | 1985-01-18 | Masato Aiura | Screw-shaped shaving cutter |
| RU2079397C1 (en) * | 1993-02-02 | 1997-05-20 | Научно-исследовательский технологический институт "Прогресс" | Buildup hobbing cutter |
| CN1557591A (en) * | 2004-02-03 | 2004-12-29 | 夏建敏 | Inserted blades worm shaped gear machining cutter |
| CN206966796U (en) * | 2017-07-03 | 2018-02-06 | 金华市新华齿轮有限公司 | High abrasion hobbing cutter support |
| CN112935420A (en) * | 2021-03-23 | 2021-06-11 | 重庆大学 | Involute gear shaving cutter and three-dimensional modeling method and gear shaving processing method thereof |
| CN213764324U (en) * | 2020-11-17 | 2021-07-23 | 营口机床厂有限公司 | External cutter correcting device of gear hobbing machine |
-
2022
- 2022-01-13 CN CN202210036284.4A patent/CN114535716B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280773A (en) * | 1978-05-31 | 1981-07-28 | Masato Ainoura | Shaving cutter and method of producing the same |
| JPS609617A (en) * | 1983-06-29 | 1985-01-18 | Masato Aiura | Screw-shaped shaving cutter |
| RU2079397C1 (en) * | 1993-02-02 | 1997-05-20 | Научно-исследовательский технологический институт "Прогресс" | Buildup hobbing cutter |
| CN1557591A (en) * | 2004-02-03 | 2004-12-29 | 夏建敏 | Inserted blades worm shaped gear machining cutter |
| CN206966796U (en) * | 2017-07-03 | 2018-02-06 | 金华市新华齿轮有限公司 | High abrasion hobbing cutter support |
| CN213764324U (en) * | 2020-11-17 | 2021-07-23 | 营口机床厂有限公司 | External cutter correcting device of gear hobbing machine |
| CN112935420A (en) * | 2021-03-23 | 2021-06-11 | 重庆大学 | Involute gear shaving cutter and three-dimensional modeling method and gear shaving processing method thereof |
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| Publication number | Publication date |
|---|---|
| CN114535716B (en) | 2023-11-07 |
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