CN202169382U - Composite cutting tool bit with composite edge - Google Patents

Composite cutting tool bit with composite edge Download PDF

Info

Publication number
CN202169382U
CN202169382U CN2011201544620U CN201120154462U CN202169382U CN 202169382 U CN202169382 U CN 202169382U CN 2011201544620 U CN2011201544620 U CN 2011201544620U CN 201120154462 U CN201120154462 U CN 201120154462U CN 202169382 U CN202169382 U CN 202169382U
Authority
CN
China
Prior art keywords
cutting
face
cutting face
sword
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011201544620U
Other languages
Chinese (zh)
Inventor
李仕清
王树彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011201544620U priority Critical patent/CN202169382U/en
Application granted granted Critical
Publication of CN202169382U publication Critical patent/CN202169382U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Drilling Tools (AREA)

Abstract

The utility model provides a composite cutting tool bit with a composite edge, which is high in heat dissipation efficiency, high in anti-fragmentation strength, good in stability, time-saving, labor-saving, and strong in energy saving property. The cutting surface, the rear cutting surface or the side cutting surface of the tool bit is integrally provided with a raised ladder-shaped cutting surface, or the rear cutting surface or the side cutting surface extending to a cutting edge, so that the cutting edge takes on the form of a ladder-shaped ladder edge on the rear cutting surface or the cutting surface, and a composite cutting surface, a composite side cutting surface or a composite rear cutting surface is formed; a notch edge is arranged on the cutting edge, and the opening of the notch edge extends or gradually amplifies towards the cutting surface, the rear cutting surface, the side cutting surface, the composite cutting surface, the composite rear cutting surface or the composite side cutting surface; the notch edge is distributed on the cutting surface, the rear cutting surface, the side cutting surface, the composite cutting surface, the composite side cutting surface or the composite rear cutting surface so as to form a groove, namely the cutting edge, the ladder edge or the notch edge of which is different, divides the original cutting edge into a plurality of small cutting edges so as to reduce the cutting resistance and improve the work efficiency.

Description

A kind of compound sword combined cut cutter head
Technical field:
The utility model relates to a kind of compound sword combined cut cutter head, and this cutter head is used for commercial production such as machining and mine.
Background technology:
At present, the cutter head of the cutter that uses during machining such as milling machine, drilling machine, lathe, boring machine and mine produce is by cutting face, side cutting face, cutting face, back and cutting edge, formations such as side cutting face; Cutting edge roughly is single linearity, or arc shaped etc., the cutting edge of cutting edge is long partially; Cause resistance excessive; Be prone to blade and collapse tooth, beat accidents such as alive, because the resistance operating efficiency that causes bigger than normal is very low.
The utility model content:
The utility model is exactly to propose in view of the above-mentioned problems; Compound sword combined cut cutter head so that a kind of utility model to be provided is a purpose, and this kind cutter head good heat dissipation effect has the function of very strong decomposition cutting resistance, and stock-removing efficiency is high; Cutting edge strength is big; Life-span is long, and security is good, and stability is strong when cut.
In order to achieve the above object, the utility model adopts following technical proposals:
1, a kind of compound sword combined cut cutter head; Comprise on the cutter tip that is at least circular cutting face or triangle cutting face or polygon cutting face; Face towards cutting direction is the cutting face; Face towards the cutter head direction of feed is the cutting face, back, and the face in the outside, cutting face is the side cutting face, and the cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge; It is characterized in that said compound sword combined cut cutter head relates to the setting stair-stepping combined cut face of one-level or the compound side cutting face or the cutting face, compound back at least of cutting face or side cutting face or cutting face, back raising of the cutter tip in the various cutting faces that are at least round tooth shape cutting face or triangle cutting face, at the setting of cutting edge or side cutting edge raising stair-stepping combined cut sword of one-level or compound side cutting edge at least; Cutting edge or combined cut sword, or side cutting edge or compound side cutting edge are formed with the stair-stepping ladder sword of one-level at least respectively.
2, a kind of compound sword combined cut cutter head; Comprise on the cutter tip that is at least round tooth shape cutting face or triangle cutting face or polygon cutting face; Face towards cutting direction is the cutting face, cutting face after the face of cutter head direction of feed is, and the face in the outside, cutting face is the side cutting face; The cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge, it is characterized in that, said compound sword combined cut cutter head relates to the cutting edge or the side cutting edge of cutter tip that various cutting faces are at least the various cutting faces in round tooth shape cutting face or triangle cutting face and is provided with at least one recess sword; Be opening and be provided with groove backward, be distributed on cutting face or side cutting face or the cutting face, back.
3, a kind of compound sword combined cut cutter head; Comprise on the cutter tip that is at least round tooth shape cutting face or triangle cutting face or polygon cutting face; Face towards cutting direction is the cutting face; Face towards the cutter head direction of feed is the cutting face, back, and the face in the outside, cutting face is the side cutting face, and the cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge; It is characterized in that, said compound sword combined cut cutter head relate to the various cutting faces that have round tooth shape cutting face or triangle cutting face at least cutter tip cutting edge or side cutting edge raising be provided with combined cut sword or compound side cutting edge, cutting edge or side cutting edge or combined cut sword or compound side cutting edge are provided with at least one recess sword; Be opening and be provided with groove backward, be distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
Preferably; At described compound sword combined cut cutter head; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face the combined cut sword of the setting of cutting edge or side cutting edge raising or compound side cutting edge, i.e. combined cut sword or compound side cutting edge; Be multistage composite cutting edge or multistage composite side cutting edge, the face that erects between outermost cutting edge and combined cut sword or side cutting edge and the compound side cutting edge is for strengthening fixed station.
Preferably; At described compound sword combined cut cutter head; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face; The combined cut sword or the compound side cutting edge of the setting of cutting edge or side cutting edge or convexity are provided with at least one recess sword, are the enlarged gradually backward groove of opening, are distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
Preferably; At described compound sword combined cut cutter head; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face; The combined cut sword or the compound side cutting edge of cutting edge or side cutting edge or protruding setting are provided with at least one recess sword, are the extend back groove of shape of opening, are distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
Preferably, at described compound sword combined cut cutter head, the cutting face of said compound sword combined cut cutter head is circle tooth shape cutting face or triangle cutting face or polygon cutting face at least.
Preferably, described compound sword combined cut cutter head is provided with locating hole or push type broach groove or seam face.
Preferably, in the cutting face of described compound sword combined cut cutter head for circle tooth shape cutting face or at least triangle cutting face or polygon cutting face raising the one-level combined cut face at least of being provided with or protrudingly in the cutting face, back be provided with one-level cutting face, compound back at least or the protruding compound side of the one-level cutting face at least that is provided with in the side cutting face.
Preferably, the round tooth shape cutting face of described compound sword combined cut cutter head or triangle cutting face or polygon cutting face are provided with at least one recess sword at least.
Preferably, the cutting face of the cutter tip that is at least round tooth shape cutting face or triangle cutting face or polygon cutting face of described compound sword combined cut cutter head or side cutting face or cutting face, back or combined cut face or compound side cutting face or cutting face, compound back are provided with at least one recess sword.
Beneficial effect:
Thereby since in the cutting face or the combined cut face that is provided with of side cutting face or back cutting face raising or compound side cutting face or cutting face, compound back cutting edge and side cutting edge are decomposed into cutting edge or combined cut sword; Side cutting edge or compound side cutting edge; Single solution for diverse problems cut be decomposed at least two cuttves cuttings and reduced cutting resistance; Cutting face and combined cut face; Side cutting face and compound side cutting face, having of having between back cutting face and the cutting face, compound back that one-level at least erects are strengthened and the face of cracking resistance effect, have strengthened the service life of cutter greatly; On cutting edge or side cutting edge or combined cut sword or compound side cutting edge, the cutting resistance that the recess sword has further decomposed cutter head again is set, has strengthened the radiating effect of cutter head.
Description of drawings:
Technical scheme of the utility model and advantage will be carried out detailed explanation in this accompanying drawing in conjunction with the drawings.
Fig. 1 is the compound sword combined cut cutter head sketch map of first embodiment of the utility model.
Fig. 2 is the compound sword combined cut cutter head sketch map of second embodiment of the utility model.
Fig. 3 is the compound sword combined cut cutter head sketch map of the 3rd embodiment of the utility model.
Fig. 4 is the compound sword combined cut cutter head sketch map of the 4th embodiment of the utility model.
The specific embodiment
To be described with reference to the accompanying drawings the preferential embodiment of the compound sword combined cut cutter head of the utility model below, mainly to have on the cutting face ladder sword or recess sword to be that example describes in embodiment 4-6 be that example describes with four kinds of different cutting hybrid combinings mainly to have cutting face or back in embodiment 1-3.
Embodiment 1
A kind of compound sword combined cut cutter head is as shown in Figure 1, and the compound sword combined cut cutter head of first embodiment of the utility model comprises triangle cutter tip 1; This cutter tip 1 is cutting face 2 towards the face of cutting direction; The face of the front face side of direction of feed A is cutting face 9, back, and cutting face 2 is intersected with cutting face, back 9 and is formed with cutting edge 5, during cutting; Cutting face 2 is the side cutting face with the face in 9 liang of outsides, cutting face, back; Cutting face 2 is intersected with the side cutting face and is formed with side cutting edge 10, on cutting face 2, to the combined cut face 11 that is provided with of lower recess and be formed with stair-stepping combined cut sword 7 of one-level or compound side cutting edge 6 at least; Cutting edge 5 is provided with recess sword 4 and is opening and cutting face 9 extends or amplify shape gradually and form groove 8 backward, and locating hole 3 is set on the cutter tip 1.
According to said structure; Owing on the cutting edge 5 in cutting face 2, be formed with combined cut sword 7, the cutting edge of this combined cut sword 7 is short so intensity is big on the contrary, also plays the effect of decomposing cutting force simultaneously; Recess sword 4 further decomposes cutting force again; Compare with cutter head in the past, the width of cutting edge cutting at one time significantly reduces, though the length sum of the cutting edge that is decomposed equates with former cutting edge; But stressed sum but is far smaller than the stressed size of former cutting edge; The combined cut sword that increases on the cutting face 7 can reduce friction with the cutting edge that is decomposed, and increase area of dissipation reduction tool temperature thereby make cutter head efficient higher has the breaking resistance that has strengthened compound sword combined cut cutter head effectively that erects between cutting face 2 and the combined cut face 11; Prolonged the service life of cutter head, this accompanying drawing is the structure that the utility model is implemented in three sides of same cutter head.
Embodiment 2
A kind of compound sword combined cut cutter head is as shown in Figure 2, and the compound sword combined cut cutter head of second embodiment of the utility model comprises quadrangle cutter tip 1; This cutter tip 1 is cutting face 2 towards the face of cutting direction; The face of the front face side of direction of feed A is cutting face 9, back, and cutting face 2 is intersected with cutting face, back 9 and is formed with cutting edge 5, during cutting; Cutting face 2 is side cutting face 10 with the face in 9 liang of outsides, cutting face, back; Cutting face 2 is intersected with side cutting face 10 and is formed with side cutting edge 10, on cutting face 2, to the combined cut face 11 that is provided with of lower recess and be formed with stair-stepping combined cut sword 7 of one-level or compound side cutting edge 6 at least; Combined cut sword 7 is provided with recess sword 4 and is opening and amplifies shape gradually to combined cut face 11 and form groove 8, and locating hole 3 is set on the cutter tip 1.
According to said structure, owing on the cutting edge 5 in cutting face 2, be formed with combined cut sword 7, the cutting edge of this compound side cutting edge 6 is short so intensity is big on the contrary; Also play the effect of decomposing cutting force simultaneously; Recess sword 4 further decomposes cutting force again, compares with cutter head in the past, and the width of cutting edge cutting at one time significantly reduces; Though the length sum of the cutting edge that is decomposed equates with former cutting edge; But stressed sum but is far smaller than the stressed size of former cutting edge, and the combined cut sword 7 that increases on the cutting face can reduce friction with the cutting edge that is decomposed, and increases area of dissipation and reduces tool temperature thereby make cutter head efficient higher; One face that erects is arranged between cutting face 2 and the combined cut face 11; Strengthened the breaking resistance of compound sword combined cut cutter head effectively, prolonged the service life of cutter head, this accompanying drawing is the structure that the utility model is implemented in three sides of same cutter head.
Embodiment 3
A kind of compound sword combined cut cutter head is as shown in Figure 3, and the compound sword combined cut cutter head of the 3rd embodiment of the utility model comprises hexagon cutter tip 1; This cutter tip 1 is cutting face 2 towards the face of cutting direction; The face of the front face side of direction of feed A is cutting face 9, back, and cutting face 2 is intersected with cutting face, back 9 and is formed with cutting edge 5, during cutting; Cutting face 2 is the side cutting face with the face in 9 liang of outsides, cutting face, back; Cutting face 2 is intersected with the side cutting face and is formed with side cutting edge 10, on cutting face 2, to the combined cut face 11 that is provided with of lower recess and be formed with stair-stepping combined cut sword 7 of one-level or compound side cutting edge 6 at least; Cutting edge 5 is provided with recess sword 4 and is opening and cutting face 9 extends or amplify shape gradually and form groove 8 backward, and locating hole 3 is set on the cutter tip 1.
According to said structure; Owing on the cutting edge 5 in cutting face 2, be formed with combined cut sword 7, the cutting edge of this combined cut sword 7 is short so intensity is big on the contrary, also plays the effect of decomposing cutting force simultaneously; Recess sword 4 further decomposes cutting force again; Compare with cutter head in the past, the width of cutting edge cutting at one time significantly reduces, though the length sum of the cutting edge that is decomposed equates with former cutting edge; But stressed sum but is far smaller than the stressed size of former cutting edge; The combined cut sword that increases on the cutting face 7 can reduce friction with the cutting edge that is decomposed, and increase area of dissipation reduction tool temperature thereby make cutter head efficient higher has the breaking resistance that has strengthened compound sword combined cut cutter head effectively that erects between cutting face 2 and the combined cut face 11; Prolonged the service life of cutter head, this accompanying drawing is the structure that the utility model is implemented on the hexagon of same cutter head.
Embodiment 4
A kind of compound sword combined cut cutter head is as shown in Figure 2, and the compound sword combined cut cutter head of the 4th embodiment of the utility model comprises quadrangle cutter tip 1; This cutter tip 1 is cutting face 2 towards the face of cutting direction; The face of the front face side of direction of feed A is cutting face 9, back, and cutting face 2 is intersected with cutting face, back 9 and is formed with cutting edge 5, during cutting; Cutting face 2 is side cutting face 12 with the face in 9 liang of outsides, cutting face, back; Cutting face 2 is intersected with the side cutting face and is formed with side cutting edge 10, on cutting face 2, to the combined cut face 11 that is provided with of lower recess and be formed with stair-stepping combined cut sword 7 of one-level or compound side cutting edge 6 at least; Cutting edge 5 is provided with recess sword 4 and is opening and cutting face 9 extends or amplify shape gradually and form groove 8 backward, and locating hole 3 is set on the cutter tip 1.
According to said structure; Owing on the cutting edge 5 in cutting face 2, be formed with combined cut sword 7, the cutting edge of this compound side cutting edge 7 is short so intensity is big on the contrary, also plays the effect of decomposing cutting force simultaneously; Recess sword 4 further decomposes cutting force again; Compare with cutter head in the past, the width of cutting edge cutting at one time significantly reduces, though the length sum of the cutting edge that is decomposed equates with former cutting edge; But stressed sum but is far smaller than the stressed size of former cutting edge; The combined cut sword that increases on the cutting face 7 can reduce friction with the cutting edge that is decomposed, and increase area of dissipation reduction tool temperature thereby make cutter head efficient higher has the breaking resistance that has strengthened compound sword combined cut cutter head effectively that erects between cutting face 2 and the combined cut face 11; Prolonged the service life of cutter head, this accompanying drawing is the structure that the utility model is implemented in three sides of same cutter head.
Through the Tool in Cutting sword being processed as above combined cut sword 7; Compound side cutting edge 6; Recess sword 4 is the structure that opening extends or amplification forms groove gradually; Can enlarge the scope of application of the compound sword combined cut cutter head of the utility model, be applied in the multiple cut, this accompanying drawing 1-3 is the structure that the utility model is implemented in the multiaspect side of same cutter head.
Though more than with stepped combined cut sword on cutting face or side cutting face 7 and compound side cutting edge 6; And the compound sword head of the recess sword 4 on cutting edge or side cutting edge is that example is illustrated; But the cutter head of the utility model also can have the more cutter head of multiform shape; And be applied to like lathe tool cutter head, drill bit cutter head; Carry out the multiple combination of multistage composite cutting edge 7 or multistage composite side cutting edge or more than 4 kind of different structure of recess sword in all cutting elements such as boring cutter cutter head, all fall in the scope of the utility model.
Above-described preferred implementation is illustrative rather than restrictive; Under the situation of purport that does not break away from the utility model and essential characteristic; Can also otherwise implement and specialize; The scope of the utility model is limited claim, and all distortion in the claim limited range all fall in the scope of the utility model.

Claims (7)

1. compound sword combined cut cutter head; Comprise on the cutter tip that is at least circular cutting face or triangle cutting face; Face towards cutting direction is the cutting face; Face towards the cutter head direction of feed is the cutting face, back, and the face in the outside, cutting face is the side cutting face, and the cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge; It is characterized in that said compound sword combined cut cutter head relates to the setting stair-stepping combined cut face of one-level or the compound side cutting face or the cutting face, compound back at least of cutting face or side cutting face or cutting face, back raising of the cutter tip in the various cutting faces that are at least round tooth shape cutting face or triangle cutting face, at the setting of cutting edge or side cutting edge raising stair-stepping combined cut sword of one-level or compound side cutting edge at least; Cutting edge or combined cut sword, or side cutting edge or compound side cutting edge are formed with the stair-stepping ladder sword of one-level at least respectively.
2. compound sword combined cut cutter head; Comprise on the cutter tip that is at least round tooth shape cutting face or triangle cutting face; Face towards cutting direction is the cutting face, cutting face after the face of cutter head direction of feed is, and the face in the outside, cutting face is the side cutting face; The cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge, it is characterized in that, said compound sword combined cut cutter head relates to the cutting edge or the side cutting edge of cutter tip that various cutting faces are at least the various cutting faces in round tooth shape cutting face or triangle cutting face and is provided with at least one recess sword; Be opening and be provided with groove backward, be distributed on cutting face or side cutting face or the cutting face, back.
3. compound sword combined cut cutter head; Comprise on the cutter tip that is at least round tooth shape cutting face or triangle cutting face; Face towards cutting direction is the cutting face; Face towards the cutter head direction of feed is the cutting face, back, and the face in the outside, cutting face is the side cutting face, and the cutting face is a cutting edge with the intersection in cutting face, back; The intersection in cutting face and side cutting face is the side cutting edge; It is characterized in that, said compound sword combined cut cutter head relate to the various cutting faces that have round tooth shape cutting face or triangle cutting face at least cutter tip cutting edge or side cutting edge raising be provided with combined cut sword or compound side cutting edge, cutting edge or side cutting edge or combined cut sword or compound side cutting edge are provided with at least one recess sword; Be opening and be provided with groove backward, be distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
4. like the arbitrary described compound sword combined cut cutter head of claim 1-3; It is characterized in that; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face; The combined cut sword of the setting of cutting edge or side cutting edge raising or compound side cutting edge; Be combined cut sword or compound side cutting edge, be multistage composite cutting edge or multistage composite side cutting edge, the face that erects between outermost cutting edge and combined cut sword or side cutting edge and the compound side cutting edge is for strengthening fixed station.
5. like the arbitrary described compound sword combined cut cutter head of claim 1-3; It is characterized in that; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face; The combined cut sword or the compound side cutting edge of the setting of cutting edge or side cutting edge or convexity are provided with at least one recess sword, are the enlarged gradually backward groove of opening, are distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
6. like the arbitrary described compound sword combined cut cutter head of claim 1-3; It is characterized in that; Be at least on the cutter tip in various cutting faces in round tooth shape cutting face or triangle cutting face; The combined cut sword or the compound side cutting edge of cutting edge or side cutting edge or protruding setting are provided with at least one recess sword, are the extend back groove of shape of opening, are distributed on cutting face or side cutting face or cutting face, back or combined cut face or compound side cutting face or the cutting face, compound back.
7. like the arbitrary described compound sword combined cut cutter head of claim 1-3, it is characterized in that said compound sword combined cut cutter head is provided with locating hole or push type broach groove or seam face.
CN2011201544620U 2011-05-06 2011-05-06 Composite cutting tool bit with composite edge Expired - Fee Related CN202169382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201544620U CN202169382U (en) 2011-05-06 2011-05-06 Composite cutting tool bit with composite edge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201544620U CN202169382U (en) 2011-05-06 2011-05-06 Composite cutting tool bit with composite edge

Publications (1)

Publication Number Publication Date
CN202169382U true CN202169382U (en) 2012-03-21

Family

ID=45827586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201544620U Expired - Fee Related CN202169382U (en) 2011-05-06 2011-05-06 Composite cutting tool bit with composite edge

Country Status (1)

Country Link
CN (1) CN202169382U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573185A (en) * 2013-07-16 2014-02-12 昆山巨德泰精密机械有限公司 Drilling bit with radiating hole in center of bottom part
CN105081443A (en) * 2014-05-05 2015-11-25 天津职业技术师范大学 Flank surface of cutting edge of micro cutting tool for processing ultra-smooth surface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573185A (en) * 2013-07-16 2014-02-12 昆山巨德泰精密机械有限公司 Drilling bit with radiating hole in center of bottom part
CN105081443A (en) * 2014-05-05 2015-11-25 天津职业技术师范大学 Flank surface of cutting edge of micro cutting tool for processing ultra-smooth surface

Similar Documents

Publication Publication Date Title
CN102218553A (en) Combined cutting tool bit of combined blade
CN102126039A (en) Spiral cutter for composite positioned cutting
CN103381496A (en) Compound positioning and cutting spiral cutter
CN101844238A (en) Compound tool bit
CN102198535A (en) Combined composite blade composite drilling and milling cutter
CN202137424U (en) Spiral tool for combined positioning cutting
CN202169397U (en) Drilling and milling combined tool with combined cutting edges
CN102039439B (en) Centering spiral cutter capable of composite positioning and combined cutting
CN202169382U (en) Composite cutting tool bit with composite edge
CN205259949U (en) Large aperture creeps into drill bit
CN102086757A (en) Composite cutting drill
CN204584364U (en) A kind of cross percussion drilling plate
CN202143971U (en) Composite-edge spiral milling cutter
CN103381510A (en) Combination hob
CN102139393A (en) Combined hobbing cutter
CN202411557U (en) Compound reamer
CN102248203A (en) Drill bit cutter head for composite cutting
CN103381508A (en) Combination rymer
CN202001012U (en) High-efficiency tool bit
CN204984276U (en) From fast tooth that bores of combined machining sword of taking cutting angle
CN202097441U (en) Combined cutting drill cutter head
CN103706845A (en) Compound positioning and cutting spiral tool
CN202174301U (en) Composite hob
CN202377620U (en) Composite pinion cutter combined with shaving cutter
CN103381505A (en) Combination broach

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120321

Termination date: 20130506