CN115255514A - Indexable coarse and fine compound efficient hobbing cutter - Google Patents
Indexable coarse and fine compound efficient hobbing cutter Download PDFInfo
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- CN115255514A CN115255514A CN202210802276.6A CN202210802276A CN115255514A CN 115255514 A CN115255514 A CN 115255514A CN 202210802276 A CN202210802276 A CN 202210802276A CN 115255514 A CN115255514 A CN 115255514A
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- cutter body
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- machining cutter
- rough machining
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- 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
- B23F21/12—Milling tools
- B23F21/16—Hobs
- B23F21/163—Hobs with inserted cutting elements
- B23F21/166—Hobs with inserted cutting elements in exchangeable arrangement
Abstract
An indexable rough and fine compound high-efficiency hobbing cutter relates to a gear machining cutter. The processing technology overcomes the defect of single processing technology of the traditional indexable gear hob. The fine machining cutter body is arranged on the left side of the left rough machining cutter body, the middle rough machining cutter body is arranged on the left side of the right rough machining cutter body, the right rough machining cutter body is arranged on the left side of the end head, and the fine machining cutter body, the middle rough machining cutter body, the right rough machining cutter body and the end head are sequentially connected into a whole. The rotary cutter has the advantages of simple structure, high assembly precision, high processing efficiency, smaller size of the rough blade, lower processing cost and capability of performing rotary rough processing on the blade, and saves the cost of raw materials of the conventional rotary blade.
Description
Technical Field
The invention relates to a gear machining cutter, in particular to an indexable rough and fine composite efficient hob.
Background
At present, the application of an indexable gear hob is very popular, the efficiency and the service life of the indexable gear hob are greatly improved compared with the traditional high-speed steel hob, because the spiral cutter teeth of the hob are arranged in a plurality of rows, the whole tooth side large blade is basically used for leading processing no matter heavy-load double cutting or single cutting, although the hobbing processing can be automatically carried out by a machine tool to ensure that the service lives of the blades are basically consistent, the processing of a feed rough processing part of a gear tooth socket is carried out by using a normal tooth side large blade, the processing is very wasteful, because only a part of the rough processing removing part is processed by the blade with partial tooth depth, the whole tooth depth is not processed, and unnecessary waste is caused by the blade length, the development of a cutter which integrates rough processing removing amount and finish processing is very necessary, so that not only a large amount of cutter cost can be saved, but also the problems of adverse factors such as edge tooth over-cutting, poor rigidity and the like caused by cutter shifting are avoided.
Disclosure of Invention
The invention provides an indexable coarse-fine composite high-efficiency hob for solving the problems that the arrangement of spiral large cutter teeth of the traditional hob is more, the whole large cutter blade is basically used for processing no matter heavy-load double cutting or single cutting, the hobbing processing can be realized by automatic cutter moving of a machine tool to ensure that the service life of each cutter blade is basically the same, but for the processing of a feed rough processing part of a gear tooth socket, the processing of the existing fixed large cutter blade on the tooth side is wasted, because the cutting of a rough processing allowance part is basically realized by only processing the cutter blade with partial tooth depth, not the whole full tooth depth, the alloy is wasted by the long large cutter blade, and the use cost of the cutter blade is high, and the technical scheme for solving the problems is as follows:
the invention relates to an indexable rough and fine composite high-efficiency hobbing cutter, which consists of a fine machining cutter body, a middle rough machining cutter body, a right rough machining cutter body and an end, and is characterized in that: the fine machining cutter body is arranged on the left side of the middle rough machining cutter body, the middle rough machining cutter body is arranged on the left side of the right rough machining cutter body, the right rough machining cutter body is arranged on the left side of the end head, and the fine machining cutter body, the middle rough machining cutter body, the right rough machining cutter body and the end head are sequentially connected into a whole;
the outer circle side surface of the finish machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, the tooth side blade screw is screwed into the screw hole through a clearance hole in the tooth side blade by the tooth side blade screw, the tooth side blade is fixed on the finish machining cutter body, the outer circle side surface of the finish machining cutter body is provided with an tooth top blade cutter groove, a corresponding screw hole is formed in the tooth top blade cutter groove, the tooth top blade is arranged in the tooth top blade cutter groove, the tooth top blade screw is screwed into the screw hole through the clearance hole in the tooth top blade by the tooth top blade screw, the tooth top blade is fixed on the finish machining cutter body, the right end surface of the finish machining cutter body is provided with a groove which is in zero-clearance fit with the axis of a 1;
the outer circle end surface of the middle rough machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, the tooth side blade screw is screwed into the screw hole through a tooth side blade inner clearance hole by a tooth side blade screw, the tooth side blade is fixed on the middle rough machining cutter body, the outer circle end surface of the middle rough machining cutter body is provided with an addendum blade cutter groove, a corresponding screw hole is formed in the addendum blade cutter groove, the addendum blade is arranged in the addendum blade cutter groove, the addendum blade screw is screwed into the screw hole through the addendum blade clearance hole by the addendum blade screw, the addendum blade is fixed on the middle rough machining cutter body, the right end surface of the middle rough machining cutter body is provided with a groove which is in zero clearance fit with the axis of a 1 24 convex taper shaft at the left end of the right rough machining cutter body, the left end surface of the middle rough machining cutter body is provided with a second positioning key block, the right side surface of the middle rough machining cutter body is provided with a third positioning key groove, the right side surface of the middle rough machining cutter body is provided with a screw hole, the right side surface of the middle rough machining cutter body is fixed with a third positioning key groove, and a right side surface of the rough machining cutter body, and a right side surface of the fine machining cutter body, the second key block locking block screw hole, and a right positioning key block screw hole of the fine machining cutter body, and a right side block screw hole of the fine machining cutter body, and a second key block screw in the fine machining cutter body, and a locking block screw hole, and a right side block screw hole of the fine machining cutter body are connected with a locking block screw in the fine machining cutter body, and a locking block screw hole of the fine machining cutter body, and the fine machining cutter body;
the outer circle end surface of the right rough machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, the tooth side blade screw is screwed into the screw hole through a clearance hole in the tooth side blade by the tooth side blade screw, the tooth side blade is fixed on the right rough machining cutter body, the outer circle end surface of the right rough machining cutter body is provided with an addendum blade cutter groove, a corresponding screw hole is formed in the addendum blade cutter groove, the addendum blade is arranged in the addendum blade cutter groove, the addendum blade screw is screwed into the screw hole through the clearance hole in the addendum blade by the addendum blade screw, the addendum blade is fixed on the right rough machining cutter body, the right end surface of the right rough machining cutter body is provided with a groove which is in zero clearance fit with an axial line of a 24 outward-protruding taper shaft on the left side of the right end of the right rough machining cutter body, the left end surface of the right rough machining cutter body is provided with a fourth positioning key groove, the right end surface of the right rough machining cutter body is provided with a fifth positioning key groove, the right end surface of the right rough machining cutter body, the right rough machining cutter body is provided with a screw hole, and a fifth positioning key groove in the right rough machining cutter body on the right side; the right side surface of the right rough machining cutter body is provided with a screw hole, the right side surface of the right rough machining cutter body is provided with a screw clearance hole, a third key block is fixed in a fifth positioning key groove on the right end surface of the right rough machining cutter body through a key block hole and the screw hole by a third key block locking screw, and the middle rough machining cutter body and the right rough machining cutter body are connected with the screw hole on the right side surface of the middle rough machining cutter body through a screw clearance hole and a second locking screw;
the left end face of the end is provided with a sixth positioning key groove, the right side face of the end is provided with a screw clearance hole, and a left 1.
The indexable rough and fine compound efficient hob provided by the invention is simple in structure and convenient to install, the current situation that only one fine machining blade and single-stored rough machining or fine machining are installed on the traditional indexable hob is changed, and the rough machining blade and the fine machining blade are combined for use, so that the rough machining process and the fine machining process are perfectly combined together, the machining efficiency is high, the volume of the rough machining blade is smaller, the machining cost is lower, and the cost of raw materials of the existing indexable blade is saved.
Drawings
Fig. 1 is a schematic view of a structure of the present invention, fig. 2 is a right side view of fig. 1, fig. 3 is a left side view of fig. 1, fig. 4 is an assembly schematic view of the present invention, fig. 5 is a rough and fine tooth profile of the present invention, fig. 6 is a front view of the cutter body 1, fig. 7 is a right side view of fig. 6, fig. 8 is a left side view of fig. 6, fig. 9 is a 3D view of the cutter body 1, fig. 10 is a front view of the cutter body 2, fig. 11 is a left side view of fig. 10, fig. 12 is a right side view of fig. 10, fig. 13 is a front 3D view of the cutter body 2, fig. 14 is a reverse 3D view of the cutter body 2, fig. 15 is a front view of the cutter body 3, fig. 16 is a left side view of fig. 15, fig. 17 is a right side view of fig. 15, fig. 18 is a right side view of the tip 4, fig. 19 is a front view of the tip 4, fig. 20 is a left side view of fig. 19, fig. 21 is a front view of the fine blade, fig. 22 is a top view of fig. 21, fig. 23 is a front view of the rough blade, fig. 24 is a fig. 23 is a rough blade is a fig. 25, fig. 25 is a key piece of fig. 25, and a key block is a key block 27, fig. 28 is a key block 27.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 28. The fine machining cutter body is arranged on the left side of the middle rough machining cutter body, the middle rough machining cutter body is arranged on the left side of the right rough machining cutter body, the right rough machining cutter body is arranged on the left side of the end head, and the fine machining cutter body, the middle rough machining cutter body, the right rough machining cutter body and the end head are sequentially connected into a whole;
the outer circle side surface of the finish machining cutter body 1 is provided with tooth side blade grooves 1-5, corresponding screw holes 1-6 are formed in the cutter grooves 1-5, tooth side blades are arranged in the cutter grooves 1-5, tooth side blade screws 1-2 are screwed into the screw holes through clearance holes in the tooth side blades 1-1, the tooth side blades 1-1 are fixed on the finish machining cutter body 1, tooth top blade grooves 1-7 are formed in the outer circle side surface of the finish machining cutter body 1, corresponding screw holes 1-8 are formed in the tooth top blade grooves 1-7, tooth top blades 1-3 are arranged in the tooth top blade grooves 1-7, tooth top blade screws 1-4 are screwed into the screw holes 1-8 through clearance holes in the tooth top blades 1-3, the tooth top blades are fixed on the finish machining cutter body 1, grooves 1-9 are formed in the right end surface of the finish machining cutter body 1, the tooth top blade screws 1-4 are positioned in zero clearance fit with a taper shaft 1-24 in the middle rough machining left end, a first positioning key groove 11 is formed in the right end surface of the finish machining cutter body 1-13, and a first key groove 13 is formed in the right end surface of the fine machining cutter body 1-13, and a first key groove 1-13 is connected with a key groove 1-13 in the right end surface of the finish machining cutter body 1-13 through a key groove 1-13 of the tooth top blade groove 1-13;
the outer circle end surface of the middle rough machining cutter body 2 is provided with a tooth side blade cutter groove 2-15, a corresponding screw hole 2-16 is arranged in the cutter groove 2-15, a tooth side blade 2-1 is arranged in the cutter groove 2-15, the tooth side blade screw 2-2 is screwed into the screw hole 2-16 through a clearance hole in the tooth side blade 2-1 by the tooth side blade screw 2-2, the tooth side blade 2-1 is fixed on the middle rough machining cutter body 2, the outer circle end surface of the middle rough machining cutter body 2 is provided with an addendum blade cutter groove 2-17, a corresponding screw hole 2-14 is arranged in the addendum blade cutter groove 2-17, the addendum blade screw 2-4 is screwed into the screw hole 2-14 through the clearance hole in the addendum blade 2-3 by the addendum blade screw 2-4 in the addendum blade cutter groove 2-17, the tooth top blade 2-3 is fixed on the middle rough machining cutter body 2, a groove 1-9 arranged on the right end face of the middle rough machining cutter body 2 is matched and positioned with an axis 1 of a 24 outward-protruding taper shaft 3-10 at the left end of the right rough machining cutter body 3 in a zero clearance way, a second positioning key groove 2-11-1 is arranged on the left end face of the middle rough machining cutter body 2, a third positioning key groove 2-11-2 is arranged on the right side face of the middle rough machining cutter body 2, a screw clearance through hole 2-6 is arranged on the right side face of the middle rough machining cutter body 2, a screw hole 2-7 is arranged on the right side face of the middle rough machining cutter body 2, a second key block 2-13 is fixed in the third positioning key groove 2-8 on the right end face of the middle rough machining cutter body 2 through a second key block locking screw 2-13-1 through a key block hole 2-13-2 and a screw hole 2-12, the rough machining cutter body 2 and the finish machining cutter body 1 are connected with a screw hole 1-10 on the right side surface of the finish machining cutter body 1 through a screw clearance hole 2-6 by a first locking screw 2-14;
the outer circle end surface of the right rough machining cutter body 3 is provided with tooth side blade cutter grooves 3-17, corresponding screw holes 3-14 are arranged in the cutter grooves 3-17, tooth side blades 3-1 are arranged in the cutter grooves 3-17, the tooth side blade screws 3-2 are screwed into the screw holes 3-14 through clearance holes in the tooth side blades 3-1 by the tooth side blade screws 3-2, the tooth side blades 3-1 are fixed on the right rough machining cutter body 3, the outer circle end surface of the right rough machining cutter body 3 is provided with tooth top blade cutter grooves 3-11, corresponding screw holes 3-12 are arranged in the tooth top blade cutter grooves 3-11, the tooth top blades 3-3 are arranged in the tooth top blade cutter grooves 3-11, the tooth top blade screws 3-4 are screwed into the screw holes 3-12 through the clearance holes in the tooth top blades 3-3 by the tooth top blade screws 3-4, fixing the addendum cutter 3-3 on the right rough machining cutter body 3, wherein the right end face of the right rough machining cutter body 3 is provided with a groove 3-7 which is in zero clearance fit with the axis of 1; the right side surface of the right rough machining cutter body 3 is provided with a screw hole 3-5, the right side surface of the right rough machining cutter body 3 is provided with a screw clearance hole 3-6, a third key block 3-13 is fixed in a fifth positioning key slot 3-11-2 of the right end surface of the right rough machining cutter body 3 through a third key block locking screw 3-13-1 and a screw hole 3-9 through a key block hole 3-13-2, and the middle rough machining cutter body 2 and the right rough machining cutter body 3 are connected with a screw hole 2-7 of the right side surface of the middle rough machining cutter body 2 through a second locking screw 3-14 and a screw clearance hole 3-6;
the left end face of the end head 4 is provided with a sixth positioning key groove 4-3, the right side face of the end head 4 is provided with a screw clearance hole 4-1, and a 1.
The indexable rough and fine compound efficient hob provided by the invention is simple in structure and convenient to install, the current situation that only one fine machining blade and single-stored rough machining or fine machining are installed on the traditional indexable hob is changed, and the rough machining blade and the fine machining blade are combined for use, so that the rough machining process and the fine machining process are perfectly combined together, the machining efficiency is high, the volume of the rough machining blade is smaller, the machining cost is lower, and the cost of raw materials of the existing indexable blade is saved.
The indexable rough and fine compound high-efficiency hobbing cutter is simple in structure and convenient to install, the current situation that only one fine machining blade and single rough machining or fine machining are installed on the traditional indexable hobbing cutter is changed, the rough machining blade and the fine machining blade are used in a combined mode, machining efficiency is high, the volume of the rough machining blade is smaller, machining cost is lower, and the cost of raw materials of the existing indexable cutting blade is saved.
The second embodiment is as follows: this embodiment will be described with reference to fig. 1, 7, and 11. The depth H of the grooves of the precision machining cutter body, the middle rough machining cutter body and the right rough machining cutter body is larger than the height H of the outward convex taper shaft.
The third concrete implementation mode: the embodiment will be described with reference to fig. 4, 7, 11 and 17, and the positioning key grooves of two adjacent cutter bodies in the embodiment are correspondingly arranged.
The fourth concrete implementation mode is as follows: this embodiment will be described with reference to fig. 1, 4, 22, and 23. The normal tooth profile of the hob in the embodiment is in a coarse and fine integrated structure.
The fifth concrete implementation mode: this embodiment is described in conjunction with fig. 10. The fine machining cutter body 1 of the embodiment adopts three spiral bodies to ensure the generating precision of gear machining, and the middle rough machining cutter body 2 and the right rough machining cutter body 3 respectively adopt one spiral body to roughly machine tooth grooves.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 12, 16 and 17, and the adjacent screw clearance holes 3 to 6 described in the present embodiment correspond to the screw holes 2 to 7.
The seventh embodiment: the present embodiment is described with reference to fig. 1 and 4, and the number of the locking screws in the present embodiment is plural.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 1, 2, 3 and 5, and the tooth top blade 1-3 and the tooth side blade 1-1, the tooth top blade 2-3 and the tooth side blade 2-1, and the tooth side blade 3-1 and the tooth top blade 3-3 according to the present embodiment are spirally arranged on both sides of the finishing cutter body 1, the middle roughing cutter body 2 and the right roughing cutter body 3 in a staggered manner in the left-right direction.
The specific implementation method nine: the present embodiment is described with reference to fig. 5, and the modulus of the high-efficiency hob-processed gear workpiece according to the present embodiment is in the range of 12 to 60.
The detailed implementation mode is ten: the present embodiment will be described with reference to fig. 21 to 26, and the tooth side inserts 1-1 and the intermediate and right rough cutter bodies 2-1 and 3-1 of the finish cutter body 1 and the intermediate and right rough cutter body 2 in the present embodiment are different in shape and size.
The concrete implementation mode eleven: the embodiment is described with reference to fig. 5, the normal tooth profile of the finish cutter body 1 of the high-efficiency hob according to the embodiment is a left-side finish tooth profile, the middle rough cutter body 2 and the right-side rough cutter body 3 are right-side rough tooth profiles, and the difference between the two tooth profiles is that the finish tooth profile is a final machining tooth profile of the hob, the addendum blade and the flank blade are overlapped at an arc, the rough machining tooth profile is a relief tooth profile, the lower part of the addendum blade and the upper part of the flank blade are overlapped, and the tooth thickness Sj of the finish tooth profile is greater than the tooth thickness sc0.05-0.2 mm of the rough machining tooth profile.
The assembling process comprises the following steps:
firstly, when the groove on the right side of the finish machining cutter body 1 is positioned with the axis of the 24 outward convex taper shaft on the left side of the middle rough machining cutter body 2 in a zero clearance fit manner, the key block is embedded into the first positioning key groove on the right side of the finish machining cutter body 1 and corresponds to the second positioning key groove on the left side of the middle rough machining cutter body 2, and is locked by using a first locking screw 2-14, then when the groove on the right side of the middle rough machining cutter body 2 is positioned with the axis of the 24 outward convex taper shaft on the left side in a zero clearance fit manner, the key block is embedded into the corresponding positioning key groove on the right side rough machining cutter body 2 and corresponds to the fourth positioning key groove on the left side of the right rough machining cutter body 3, and is locked by using a second locking screw 3-14, and then when the groove on the right side of the right side rough machining cutter body 3 and the axis of the 24 outward convex taper shaft on the left side of the end 4 are positioned in a zero clearance fit manner, the key block is embedded into the corresponding positioning key groove on the right side of the right side rough machining cutter body 3 and corresponds to the fifth positioning key groove on the left side of the end 4, and is locked by using a third locking screw 4-14.
The above embodiments are merely exemplary and not restrictive, and it should be understood that various other changes, modifications, substitutions and alterations can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a but compound high-efficient hobbing cutter of transposition coarse and fine, it comprises finish machining cutter body, middle rough machining cutter body, right side rough machining cutter body and end, its characterized in that: the fine machining cutter body is arranged on the left side of the middle rough machining cutter body, the middle rough machining cutter body is arranged on the left side of the right rough machining cutter body, the right rough machining cutter body is arranged on the left side of the end head, and the fine machining cutter body, the middle rough machining cutter body, the right rough machining cutter body and the end head are sequentially connected into a whole;
the outer circle side surface of the finish machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, a tooth side blade screw is screwed into the screw hole through a tooth side blade inner clearance hole through the tooth side blade screw, the tooth side blade is fixed on the finish machining cutter body, an tooth top blade cutter groove is formed in the outer circle side surface of the finish machining cutter body, a corresponding screw hole is formed in the tooth top blade cutter groove, the tooth top blade is arranged in the tooth top blade cutter groove, the tooth top blade screw is screwed into the screw hole through the tooth top blade clearance hole through the tooth top blade screw, the tooth top blade is fixed on the finish machining cutter body, a groove is formed in the right end surface of the finish machining cutter body and is in zero-clearance fit positioning with the axis of a 1;
the outer circle end surface of the middle rough machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, a tooth side blade screw is screwed into the screw hole through a tooth side blade inner clearance hole by the tooth side blade screw, the tooth side blade is fixed on the middle rough machining cutter body, the outer circle end surface of the middle rough machining cutter body is provided with an addendum blade cutter groove, a corresponding screw hole is formed in the addendum blade cutter groove, the addendum blade is arranged in the addendum blade cutter groove, the addendum blade screw is screwed into the screw hole through the addendum blade clearance hole by the addendum blade screw, the addendum blade is fixed on the middle rough machining cutter body, the right end surface of the middle rough machining cutter body is provided with a groove which is in zero clearance fit with the axis of a 1 24 external convex taper shaft at the left end of the right rough machining cutter body, the left end surface of the middle rough machining cutter body is provided with a second positioning key groove, the right side surface of the middle rough machining cutter body is provided with a third positioning key groove, the right side surface of the middle rough machining cutter body is connected with the right positioning key screw hole of the rough machining cutter body through a second positioning key block screw hole, and the right machining cutter body screw hole;
the outer circle end surface of the right rough machining cutter body is provided with a tooth side blade cutter groove, a corresponding screw hole is formed in the cutter groove, a tooth side blade is arranged in the cutter groove, the tooth side blade screw is screwed into the screw hole through a clearance hole in the tooth side blade by the tooth side blade screw, the tooth side blade is fixed on the right rough machining cutter body, the outer circle end surface of the right rough machining cutter body is provided with an addendum blade cutter groove, a corresponding screw hole is formed in the addendum blade cutter groove, the addendum blade is arranged in the addendum blade cutter groove, the addendum blade screw is screwed into the screw hole through the clearance hole in the addendum blade by the addendum blade screw, the addendum blade is fixed on the right rough machining cutter body, the right end surface of the right rough machining cutter body is provided with a groove which is in zero clearance fit with the axis of the 24 outward-protruding taper shaft on the left side of the right end of the right rough machining cutter body, the left end surface of the right rough machining cutter body is provided with a fourth positioning key groove, the right end surface of the right rough machining cutter body is provided with a fifth positioning key groove, the right end surface of the right rough machining cutter body is provided with a screw hole, and the fifth positioning key groove in the right rough machining cutter body; the right side surface of the right rough machining cutter body is provided with a screw hole, the right side surface of the right rough machining cutter body is provided with a screw clearance hole, a third key block is fixed in a fifth positioning key groove of the right end surface of the right rough machining cutter body through a key block hole and the screw hole by a third key block locking screw, and the middle rough machining cutter body and the right rough machining cutter body are connected with the screw hole of the right side surface of the middle rough machining cutter body through a screw clearance hole by a second locking screw;
the left end face of the end is provided with a sixth positioning key groove, the right side face of the end is provided with a screw clearance hole, and a left 1.
2. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the depth H of the grooves of the finish machining cutter body, the middle rough machining cutter body and the right rough machining cutter body is larger than the height H of the outward convex taper shaft.
3. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the positioning key grooves of the two adjacent cutter bodies are correspondingly arranged.
4. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the normal tooth profile of the hob is in a coarse and fine integrated structural form.
5. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the fine machining cutter body adopts three spiral bodies, and the middle rough machining cutter body 2 and the right rough machining cutter body respectively adopt one spiral body.
6. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the adjacent screw clearance holes correspond to the screw holes.
7. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the locking screw is a plurality of.
8. The indexable rough and fine composite high-efficiency hob according to claim 1, characterized in that:
the modulus range of the high-efficiency hob for processing the gear workpiece is 12-60.
9. The indexable coarse and fine compound high-efficiency hob according to claim 1, characterized in that: the difference between the normal tooth profile of the finish machining cutter body and the normal tooth profiles of the middle rough machining cutter body and the right rough machining cutter body is that a normal tooth profile tooth top blade and a tooth side blade of the finish machining cutter body are in lap joint at the top arc, the rough machining tooth profile is a relief tooth profile and is in lap joint at the lower part of the tooth top blade and the upper part of the tooth side blade, and the tooth thickness Sj of the finish machining tooth profile is larger than the tooth thickness Sc0.05-0.2 mm of the rough machining tooth profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210802276.6A CN115255514A (en) | 2022-07-07 | 2022-07-07 | Indexable coarse and fine compound efficient hobbing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210802276.6A CN115255514A (en) | 2022-07-07 | 2022-07-07 | Indexable coarse and fine compound efficient hobbing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115255514A true CN115255514A (en) | 2022-11-01 |
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ID=83765930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210802276.6A Pending CN115255514A (en) | 2022-07-07 | 2022-07-07 | Indexable coarse and fine compound efficient hobbing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115255514A (en) |
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2022
- 2022-07-07 CN CN202210802276.6A patent/CN115255514A/en active Pending
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