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CN108262523A - A kind of broaching tool - Google Patents

A kind of broaching tool Download PDF

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Publication number
CN108262523A
CN108262523A CN201611272719.6A CN201611272719A CN108262523A CN 108262523 A CN108262523 A CN 108262523A CN 201611272719 A CN201611272719 A CN 201611272719A CN 108262523 A CN108262523 A CN 108262523A
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CN
China
Prior art keywords
broaching tool
cutting
micro
intensity
millimeter
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Pending
Application number
CN201611272719.6A
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Chinese (zh)
Inventor
不公告发明人
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201611272719.6A priority Critical patent/CN108262523A/en
Publication of CN108262523A publication Critical patent/CN108262523A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D43/00Broaching tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D43/00Broaching tools
    • B23D43/02Broaching tools for cutting by rectilinear movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

The present invention provides a kind of broaching tool, this kind of cutting efficiency height, intensity is big, long lifespan, and including the shank of tool and cutterhead, cutterhead is provided integrally with multiple cutting blades, there is a cutting face on each cutting blade, it is characterised in that:In the cutting blade surface of broaching tool, micro- reinforcement technique of the setting with millimeter intensity, micro- enhancement stress extension platform of the setting with millimeter intensity being recessed on cutting face and micro- section with millimeter intensity are crossed to form the micro- sword of cutting with millimeter intensity and micro- cutting blade with millimeter intensity with rear cutting face or lateral incision bevel, reduce the cutting edge of the extremely flimsy cutting edge in outside.

Description

A kind of broaching tool
Technical field:
The present invention relates to a kind of broaching tool, which is used in the mechanical processing of the Gear Production of lathe etc., and new machinery adds Work theory thinks that segmentation i.e. stepped cutting edge stock-removing efficiency is high, however after the gradual extension of stepped cutting edge it finds that its It is with obvious effects to decline until disappearing, therefore the theory is not still truly correct theory.
Background technology:
At present, the broaching tool used in mechanical processing is being fed by the compositions such as cutting blade and the shank of tool, the cutting edge of broaching tool On direction, there is unicity stress, i.e., be single curve-like or linear on a cutting edge, by single cutting edge It forming, the cutting way resistance of this kind of cutting edge is big, causes whole destructiveness big, thus tipping easily occurs, beats accident living, and Waste product is easily caused, brings very big loss, the more serious or even universal understanding of accident people that causes casualties is that surface is got over Flat strength is higher, and new theory is then the surface intensity higher for having minim gap, all the inherent structural characteristics without exposure substance, Therefore, existing aperture knife tool efficiency is low, and fragile, stability is poor, and borehole accuracy is poor.
Invention content:
The present invention be exactly in view of the above-mentioned problems and propose, by provide one kind divide diameter displacement broaching tool for the purpose of, this kind of knife Have the function of to block conductance, radiating efficiency is high, and intensity is big, long lifespan, and easily positions when drilling is processed, drilling essence Degree is high, and the universal understanding of people is that surface more flat strength is higher, and the new theory of recent years is then the face for having minim gap Intensity higher, all inherent structural characteristics without exposure substance, in the case where two solid volumes are identical, wherein be dispersed into The surface area of the solid of small size is more than the surface area of whole solid, when the overall structure of solid reaches the certain volume limit i.e. Make be diamond also can fragmentation, by volume stress in the case of small size the sum of solid stressed intensity much larger than whole solid Stress intensity, by experimental verification on the cutting element under usual physical state, millimeter magnitude has most apparent high intensity Characteristic, that is, millimeter intensity, the present invention are that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity.
The present invention is exactly to propose in view of the above-mentioned problems, for the purpose of a kind of novel broaching tool to be provided, this kind of cutter Stock-removing efficiency is high, and intensity is big, long lifespan, and safe in cutting workpiece, smaller to lathe destructiveness.
In order to achieve the above object, the present invention uses following technical proposals:
A kind of broaching tool, has the shank of tool and cutterhead, and the shank of tool and cutterhead couple or be formed as one, cutterhead one Be provided with to body multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, cutting face Side or back side are rear cutting face or lateral incision bevel below, cutting face and rear cutting face or lateral incision bevel, be crossed to form to A few cutting edge or at least one side cutting edge;
There is no infinitely great solid in cosmic space, when any huge solid reaches the volume limit, i.e., some is fixed Under the conditions of atom vibratory forces summation and solid structure insist on should be usually this kind of solid under this condition maximum volume, be more than This volume structure solid will be unable to maintain complete solid structure, when the overall structure of solid reaches the certain volume limit i.e. Make be diamond also can fragmentation, even if neutron star or black hole are no exception, in the environment of people's everyday exposure, the volume of solid The limit is influenced by temperature and terrestrial gravitation, and limiting volume is relatively much smaller, and when solid volume, it is strong in the case of reduction Degree but in appropriate enhancing, wherein millimeter intensity be than more prominent example, according to two solid volumes it is identical in the case of, In be dispersed into surface area of the sum of the surface area of solid of small size more than the solid of equivalent entirety, the overall structure of solid reaches Even during the certain volume limit diamond also can fragmentation, by volume stress in the case of small size the sum of solid stressed intensity Much larger than the stress intensity of whole solid, under usual physical state, millimeter magnitude is the most apparent high intensity of solid of the same race Solid structure,
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, diameter is divided to shift broaching tool in millimeter magnitude Edge strength at least improve more than 50 percent, divide in millimeter magnitude diameter displacement broaching tool cutting face on averagely bear Pressure can improve more than 50 percent;
The broaching tool is in various keyway broaches or various spline broaches or various straight spline broaches or various gradually opens Line spline broach or various path centering straight spline broaches are various with side tooth keyway broach or other various broaching tools Cutting face and cutting edge on integrally or with coupling and be formed as one carry out the setting of micro- reinforcement technique,
It is characterized in that:The setting that the outside in the broaching tool along cutting face is recessed inwardly has the micro- of millimeter intensity Section;
It is more than or equal to 0.6mm, less than or equal to 10mm that the broaching tool, which has the width of micro- section of millimeter intensity,;
The micro- section with millimeter intensity set on the broaching tool has been crossed to form with rear cutting face with millimeter intensity Micro- cutting blade.
A kind of broaching tool, has the shank of tool and cutterhead, and the shank of tool and cutterhead couple or be formed as one, cutterhead one Be provided with to body multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, cutting face Side or back side are rear cutting face or lateral incision bevel below, cutting face and rear cutting face or lateral incision bevel, be crossed to form to A few cutting edge or at least one side cutting edge;
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, diameter is divided to shift broaching tool in millimeter magnitude Edge strength at least improve more than 50 percent, divide in millimeter magnitude diameter displacement broaching tool cutting face on averagely bear Pressure can improve more than 50 percent;
The broaching tool is in various keyway broaches or various spline broaches or various straight spline broaches or various gradually opens Line spline broach or various path centering straight spline broaches are various with side tooth keyway broach or other various broaching tools Cutting face and cutting edge on integrally or with coupling and be formed as one carry out micro- enhancement stress extension platform of micro- reinforcement technique With the setting of micro- section,
It is characterized in that:The setting erected on the inside cutting face of micro- section of the broaching tool with millimeter intensity with Micro- enhancement stress extension platform of millimeter intensity;
The height of micro- enhancement stress extension platform with millimeter intensity of the broaching tool be more than or equal to 0.15mm, less than etc. In 6mm.
A kind of broaching tool, has the shank of tool and cutterhead, and the shank of tool and cutterhead couple or be formed as one, cutterhead one Be provided with to body multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, cutting face Side or back side are rear cutting face or lateral incision bevel below, cutting face and rear cutting face or lateral incision bevel, be crossed to form to A few cutting edge or at least one side cutting edge;
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, diameter is divided to shift broaching tool in millimeter magnitude Edge strength at least improve more than 50 percent, divide in millimeter magnitude diameter displacement broaching tool cutting face on averagely bear Pressure can improve more than 50 percent;
The broaching tool is in various keyway broaches or various spline broaches or various straight spline broaches or various gradually opens Line spline broach or various path centering straight spline broaches are various with side tooth keyway broach or other various broaching tools Cutting face and cutting edge on integrally or with coupling and be formed as one carry out micro- enhancement stress extension platform of micro- reinforcement technique With the setting of micro- section,
It is characterized in that:The micro- section with millimeter intensity set on the broaching tool has been crossed to form tool with lateral incision bevel There is the lateral incision sword of millimeter intensity;
It is more than or equal to 0.6mm, less than or equal to 10mm that the broaching tool, which has the length of the lateral incision sword of millimeter intensity,;
Micro- enhancement stress extension platform with millimeter intensity axially extend with lateral incision bevel be crossed to form with The micro- sword in side of millimeter intensity;
The length of the micro- sword in side with millimeter intensity of the broaching tool is more than or equal to 0.15mm, less than or equal to 6mm.
Preferably, at least one recess sword is provided on the cutting edge of the broaching tool, backward cutting face extended to form to A few groove.
Preferably, be formed as groove when micro- enhancement stress extension platform of the broaching tool or micro- section are arc.
Preferably, at least one recess sword is provided on the micro- sword in the side of the broaching tool, has been extended to form at least to cutting face One groove.
Preferably, it is raised on the cutting edge of the broaching tool to be provided at least one step, form stair-stepping cutting edge;
The stepped cutting edge has extended to form at least level-one step to lateral incision bevel.
Preferably, be formed as groove when micro- enhancement stress extension platform of the broaching tool or micro- section are arc.
Advantageous effect:
In the contrast experiment carried out on broaching machine, using the broaching tool of diameter 30mm as experimental subjects, be all M35 containing cobalt at a high speed Steel is heat-treated simultaneously, is produced with batch, pulling eye object is to forge quenched finishing processing valency, pulling eye depth 35mm, ordinary construction Broaching tool feed speed reach capacity in the case of, the broaching tool pulling eye quantity of ordinary construction has millimeter intensity up to 3,000 For broaching tool pulling eye quantity up to 10,000 more than one piece parts, the broaching tool with millimeter intensity can also improve more than 25% pulling eye speed, pulling eye number It is more that measurer has the broaching tool of millimeter intensity than the broaching tool pulling eye quantity of ordinary construction to increase three times.
Description of the drawings:
Technical scheme of the present invention and advantage will be described in detail in conjunction with the accompanying drawings, in the figure
Fig. 1 is the schematic diagram of the broaching tool of the first embodiment of the present invention.
Specific embodiment:
A kind of preferred embodiment of broaching tool of the present invention will be explained in detail in conjunction with the accompanying drawings below, in embodiment Mainly to add with micro- enhancement stress extension platform in 1, micro- section and micro- cutting blade illustrate for dividing diameter sword, in following explanation In, identical component is using identical symbol and omits to its specific description.
Embodiment 1
The micro- section 5 with millimeter intensity for the setting that the outside in the broaching tool along cutting face 9 is recessed inwardly;It is described Broaching tool have millimeter intensity micro- section 5 width be more than or equal to 0.6mm, less than or equal to 10mm;
The micro- section 5 with millimeter intensity set on the broaching tool has been crossed to form strong with millimeter with rear cutting face 9 Micro- cutting blade 7 of degree.
The setting erected on the inside cutting face 9 of micro- section 5 of the broaching tool with millimeter intensity is with millimeter intensity Micro- enhancement stress extension platform 6;The height of micro- enhancement stress extension platform 6 with millimeter intensity of the broaching tool be more than or equal to 0.15mm, less than or equal to 6mm.
The micro- section 5 with millimeter intensity set on the broaching tool has been crossed to form strong with millimeter with lateral incision bevel 2 The lateral incision sword 3 of degree;It is more than or equal to 0.6mm that the broaching tool, which has the length of the lateral incision sword 3 of millimeter intensity, is less than or equal to 10mm;
Micro- enhancement stress extension platform 6 with millimeter intensity is axially extended has been crossed to form tool with lateral incision bevel 2 There is the micro- sword 8 in side of millimeter intensity;The length of the micro- sword 8 in the side with millimeter intensity of the broaching tool be more than or equal to 0.15mm, it is small In equal to 6mm.
As shown in Figure 1, the broaching tool of the first embodiment of the present invention, has the shank of tool and cutterhead, the shank of tool 1 and knife Tool head 2 couples or is formed as one, and cutterhead 2 is provided integrally with multiple cutting blades 3, on each cutting blade 3, there is one It is cutting face 9 towards the face of cutting direction, side or back side are rear cutting face 5 or lateral incision bevel 2 below in cutting face 9, are cut Face 9 and rear cutting face 5 or lateral incision bevel 2, have been crossed to form at least one cutting edge or at least one side cutting edge, in broaching tool On, integrally or with connecting and be formed as one carry out micro- enhancement stress extension platform 6,7 technical solution of micro- section 5 and micro- cutting blade Setting, a kind of outer end in the cutting face of broaching tool 3 close to 5 part of cutting edge or from Inside To Outside be recessed setting have Micro- enhancement stress extension platform 6 of millimeter intensity and micro- section 5 with millimeter intensity or groove have micro- section of millimeter intensity 5 or groove and rear cutting face 9 be crossed to form micro- cutting blade 7 with millimeter intensity, micro- enhancement stress with millimeter intensity prolongs The angle more than or equal to 90 ° is formed between exhibition booth 6 and micro- section 5 with millimeter intensity of connection, there is millimeter intensity Micro- enhancement stress extension platform 6 and the cutting face 5 of inner bulge have been crossed to form combined cutting edges 5, have the micro- strong of millimeter intensity Change stress extension platform 6 and micro- section 5 with millimeter intensity extend to front end be crossed to form with rear cutting face 9 it is strong with millimeter Micro- cutting blade 7 of degree is provided at least one recess sword on micro- cutting blade 7 with millimeter intensity of the broaching tool, to cutting face or Cutting face or lateral incision bevel have extended to form at least one groove afterwards.
Micro- section 5 with millimeter intensity is enhanced due to being provided with micro- enhancement stress extension platform 6 with millimeter intensity Intensity, and have the characteristics that micro- section 5 of millimeter intensity itself is compound small and strong since area becomes smaller, feature is identical material Matter calculates one side surface area millimetre-sized mean intensity by its volume and is more than Centimeter Level, and Centimeter Level is more than decimeter grade, 1 cube Centimetre=1,000 cubic millimeters, and area is then the surface area of 1 cubic centimetre of surface area=600 square millimeter, 1,000 are vertical The surface area of square millimeter is 6,000 square millimeters, is the table of 1,000 cubic millimeters at 1 cubic centimetre by the power that volume averagely applies Ten times of areal calculation, therefore grade bears the pressure limit much larger than Centimeter Level, along with micro- reinforcing with millimeter intensity The power that stress extension platform 6 is extended, with support and strengthen 5 intensity of micro- section with millimeter intensity effect, thus be Setting on same cutter has very high strength and stability, has more durable and intensity sword degree compared to common serrated knife tool processed The advantage of stability, therefore have efficient advantage, service life is longer.
According to above structure, since tooth processed cutting is straight line shock movement, cutting face 9 has millimeter intensity with adjacent Cutting edge is divided with micro- cutting blade 7 with millimeter intensity that rear cutting face is crossed to form in micro- enhancement stress extension platform 6 and micro- section 5 It opens, and conductance is broken up, reduce whole cutting force, maximally reduced outside cutting face and rear cutting face The stress effect of intersecting cutting edge and cutting edge, reduces cutterhead temperature, decomposes the cutting edge of the most flimsy outer end of cutter Stress, extend cutter life, and be always maintained at high intensity in process.
Although above to be illustrated for the broaching tool of shank of tool positioning or location hole positioning, the cutter of the present invention It can also be used for setting stair-stepping combined cut face or stair-stepping compound rear cutting face or rank on the cutting face of all broaching tools The compound lateral incision bevel of scalariform forms at least combined cutting edges of step shape or compound side cutting edge, cutting edge or lateral incision Cut and recess sword be provided on sword, extended to form in opening to cutting face or lateral incision bevel or rear cutting face as groove, cutting edge or Be provided on side cutting edge or combined cutting edges or compound side cutting edge recess sword in opening to cutting face or lateral incision bevel or Cutting face extends to form the broaching tool of the multiple combinations of the mode for groove afterwards.
Above-described preferred embodiment is illustrative rather than restrictive, in the master for not departing from the present invention
In the case of purport and essential characteristic, the present invention otherwise can also be implemented and be embodied, of the invention Range is defined by the claims appended hereto, and all deformations in the range of claim restriction are within the scope of the present invention.

Claims (7)

1. a kind of broaching tool has the shank of tool and cutterhead, the shank of tool and cutterhead couple or are formed as one, cutterhead one Ground is provided with multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, behind cutting face Surface side or back side are rear cutting face or lateral incision bevel, and cutting face and rear cutting face or lateral incision bevel have been crossed to form at least One cutting edge or at least one side cutting edge;
There is no infinitely great solid in cosmic space, when any huge solid reaches the volume limit, i.e. some rigid condition Lower atom vibratory forces summation and solid structure insist on should be usually this kind of solid under this condition maximum volume, be more than this The volume structure solid will be unable to maintain complete solid structure, even the overall structure of solid reaches the certain volume limit Diamond also can fragmentation, even if neutron star or black hole are no exception, in the environment of people's everyday exposure, the volume limit of solid It is influenced by temperature and terrestrial gravitation, limiting volume is relatively much smaller, and when solid volume, its intensity is but in the case of reduction In appropriate enhancing, wherein millimeter intensity be than more prominent example, according to two solid volumes it is identical in the case of, wherein dividing Surface area of the sum of the surface area of solid of small size more than the solid of equivalent entirety is dissipated into, the overall structure of solid reaches certain Even during the volume limit diamond also can fragmentation, by volume stress in the case of small size the sum of solid stressed intensity it is long-range In the stress intensity of whole solid, under usual physical state, millimeter magnitude is consolidating for the most apparent high intensity of solid of the same race Body structure,
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, cutting for diameter displacement broaching tool is divided in millimeter magnitude It cuts sword intensity and at least improves more than 50 percent, the pressure averagely born on the cutting face of diameter displacement broaching tool is divided in millimeter magnitude More than 50 percent can be improved by force;
The broaching tool is spent in various keyway broaches or various spline broaches or various straight spline broaches or various involutes Key broaching tool or various path centering straight spline broaches various with side tooth keyway broach or other various broaching tools are cut The setting of micro- reinforcement technique integrally or with coupling and be formed as one is carried out on bevel and cutting edge,
It is characterized in that:There is the micro- of millimeter intensity to cut for the setting that the outside in the broaching tool along cutting face is recessed inwardly Face;
It is more than or equal to 0.6mm, less than or equal to 10mm that the broaching tool, which has the width of micro- section of millimeter intensity,;
The micro- section with millimeter intensity set on the broaching tool is crossed to form with rear cutting face with the micro- of millimeter intensity Cutting blade.
2. a kind of broaching tool has the shank of tool and cutterhead, the shank of tool and cutterhead couple or are formed as one, cutterhead one Ground is provided with multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, behind cutting face Surface side or back side are rear cutting face or lateral incision bevel, and cutting face and rear cutting face or lateral incision bevel have been crossed to form at least One cutting edge or at least one side cutting edge;
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, cutting for diameter displacement broaching tool is divided in millimeter magnitude It cuts sword intensity and at least improves more than 50 percent, the pressure averagely born on the cutting face of diameter displacement broaching tool is divided in millimeter magnitude More than 50 percent can be improved by force;
The broaching tool is spent in various keyway broaches or various spline broaches or various straight spline broaches or various involutes Key broaching tool or various path centering straight spline broaches various with side tooth keyway broach or other various broaching tools are cut Micro- enhancement stress extension platform of micro- reinforcement technique and micro- integrally or with coupling and be formed as one is carried out on bevel and cutting edge The setting of section,
It is characterized in that:The setting erected on the inside cutting face of micro- section of the broaching tool with millimeter intensity is with millimeter Micro- enhancement stress extension platform of intensity;
The height of micro- enhancement stress extension platform with millimeter intensity of the broaching tool is more than or equal to 0.15mm, is less than or equal to 6mm。
3. a kind of broaching tool has the shank of tool and cutterhead, the shank of tool and cutterhead couple or are formed as one, cutterhead one Ground is provided with multiple cutting blades, on each cutting blade, have one towards the face of cutting direction be cutting face, behind cutting face Surface side or back side are rear cutting face or lateral incision bevel, and cutting face and rear cutting face or lateral incision bevel have been crossed to form at least One cutting edge or at least one side cutting edge;
The present invention is that diameter displacement broaching tool is being divided to carry out the application with millimeter intensity, cutting for diameter displacement broaching tool is divided in millimeter magnitude It cuts sword intensity and at least improves more than 50 percent, the pressure averagely born on the cutting face of diameter displacement broaching tool is divided in millimeter magnitude More than 50 percent can be improved by force;
The broaching tool is spent in various keyway broaches or various spline broaches or various straight spline broaches or various involutes Key broaching tool or various path centering straight spline broaches various with side tooth keyway broach or other various broaching tools are cut Micro- enhancement stress extension platform of micro- reinforcement technique and micro- integrally or with coupling and be formed as one is carried out on bevel and cutting edge The setting of section,
It is characterized in that:The micro- section with millimeter intensity set on the broaching tool has been crossed to form with lateral incision bevel with milli The lateral incision sword of meter Qiang Du;
It is more than or equal to 0.6mm, less than or equal to 10mm that the broaching tool, which has the length of the lateral incision sword of millimeter intensity,;
Micro- enhancement stress extension platform with millimeter intensity, which is axially extended, to be crossed to form with lateral incision bevel with millimeter The micro- sword in side of intensity;
The length of the micro- sword in side with millimeter intensity of the broaching tool is more than or equal to 0.15mm, less than or equal to 6mm.
4. broaching tool as described in any one of claims 1-3,
It is characterized in that:At least one recess sword is provided on the cutting edge of the broaching tool, backward cutting face extended to form to A few groove.
5. broaching tool as described in any one of claims 1-3,
It is characterized in that:Micro- enhancement stress extension platform of the broaching tool or micro- section are formed as groove when being arc.
6. broaching tool as described in any one of claims 1-3,
It is characterized in that:At least one recess sword is provided on the micro- sword in side of the broaching tool, has been extended to form at least to cutting face One groove.
7. broaching tool as described in any one of claims 1-3,
It is characterized in that:It is raised on the cutting edge of the broaching tool to be provided at least one step, form stair-stepping cutting edge;
The stepped cutting edge has extended to form at least level-one step to lateral incision bevel.
CN201611272719.6A 2016-12-30 2016-12-30 A kind of broaching tool Pending CN108262523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611272719.6A CN108262523A (en) 2016-12-30 2016-12-30 A kind of broaching tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611272719.6A CN108262523A (en) 2016-12-30 2016-12-30 A kind of broaching tool

Publications (1)

Publication Number Publication Date
CN108262523A true CN108262523A (en) 2018-07-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611272719.6A Pending CN108262523A (en) 2016-12-30 2016-12-30 A kind of broaching tool

Country Status (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841820A (en) * 1987-04-13 1989-06-27 General Motors Corporation Method of designing a turn broach
CN103381505A (en) * 2012-05-03 2013-11-06 李仕清 Combination broach
CN103706872A (en) * 2012-10-01 2014-04-09 李仕清 Combined broach
CN203636081U (en) * 2013-12-30 2014-06-11 陕西国防工业职业技术学院 Broach
US20140255112A1 (en) * 2013-03-08 2014-09-11 United Technologies Corporation Broach tool rake face with a tailored surface topography

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841820A (en) * 1987-04-13 1989-06-27 General Motors Corporation Method of designing a turn broach
CN103381505A (en) * 2012-05-03 2013-11-06 李仕清 Combination broach
CN103706872A (en) * 2012-10-01 2014-04-09 李仕清 Combined broach
US20140255112A1 (en) * 2013-03-08 2014-09-11 United Technologies Corporation Broach tool rake face with a tailored surface topography
CN203636081U (en) * 2013-12-30 2014-06-11 陕西国防工业职业技术学院 Broach

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Application publication date: 20180710