CN205629423U - Can be at round pin wedge joint formula hole machining tool of machine change - Google Patents

Can be at round pin wedge joint formula hole machining tool of machine change Download PDF

Info

Publication number
CN205629423U
CN205629423U CN201620384547.0U CN201620384547U CN205629423U CN 205629423 U CN205629423 U CN 205629423U CN 201620384547 U CN201620384547 U CN 201620384547U CN 205629423 U CN205629423 U CN 205629423U
Authority
CN
China
Prior art keywords
body portion
hole
blades
cutting tools
cutter
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.)
Withdrawn - After Issue
Application number
CN201620384547.0U
Other languages
Chinese (zh)
Inventor
何耿煌
邹伶俐
丘玉勇
彭仕昌
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.)
Xiamen Golden Egret Special Alloy Co Ltd
Original Assignee
Xiamen Golden Egret Special Alloy Co Ltd
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 Xiamen Golden Egret Special Alloy Co Ltd filed Critical Xiamen Golden Egret Special Alloy Co Ltd
Priority to CN201620384547.0U priority Critical patent/CN205629423U/en
Application granted granted Critical
Publication of CN205629423U publication Critical patent/CN205629423U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drilling Tools (AREA)

Abstract

The utility model discloses a can be at round pin wedge joint formula hole machining tool of machine change, including cutter body part, cutter body cutting tip and shank, first through -hole that the other end of cutter body part was equipped with cylindrical bending resistance axle, first recess and link up along the radial line direction, the other end of cutter cutting tip is equipped with cylindrical anti curved hole, first convex body and along radially penetrating through's second recess, when the other end of the other end of cutter body part and cutter cutting tip docked mutually, cylindrical bending resistance axle, the first recess of cutter body part matched with the cylindrical anti curved hole of cutter cutting tip, first convex body respectively, and a shank is pegged graft simultaneously in the second recess of partial first through -hole of cutter body and cutter cutting tip. The utility model provides a present hole machining tool to disassemble the procedure more complicated, change the lower scheduling problem of efficiency, reached on the basis that does not reduce the cutter performance, can greatly promote the cutter installation effectiveness and reduce production support time's purpose.

Description

The pin wedge joint formula aperture knife tool can changed at machine
Technical field
This utility model relates to cutting-tool engineering field, particularly relates to a kind of pin wedge joint formula aperture knife tool can changed at machine.
Background technology
Aperture knife tool refers to the instrument for being processed accessory inner surface i.e. endoporus, connects according to hole is relative with other parts Connect the difference of relation, mating holes and non-mating holes can be divided into;By the difference of its geometric properties, through hole, blind hole, ladder can be divided into Hole, taper hole etc.;Different by its geometry, circular hole, non-circular hole etc. can be divided into.
In the working angles to endoporus, in order to improve production efficiency, generally requiring cutter can change at machine.At present, different The cutter work in-process heart of kind can realize changing at machine by tool magazine, but this is contained on handle of a knife just for cutter, i.e. handle of a knife Changing at machine of cutter.If damaging for same aperture knife tool, then need to disassemble replacing.And big portion Dividing aperture knife tool, the junction including modularity cutter is mostly combined installation by screw lock, and this is just Cause replacing program relatively complicated, inefficient drawback.
If aperture knife tool uses in traditional machine tool, cannot realize especially automatically changing or changing at machine, need to remove Tool changing, produces non-cutting time longer.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, it is provided that a kind of pin wedge joint formula hole machined can changed at machine Cutter, by improving the structure of aperture knife tool, solving current aperture knife tool, to disassemble program more complicated, changes efficiency The problem such as relatively low, has reached on the basis of not reducing cutting performance, it is possible to significant increase Cutting tool installation manner efficiency and reducing produces The purpose of non-cutting time.
This utility model solves its technical problem and be the technical scheme is that a kind of pin wedge joint formula hole machined can changed at machine Cutter, including:
Body portion, one end of this body portion is provided with the solid plane in the side for being connected, this cutter hub portion with machine tool chief axis interface Point the other end outside end, protrude out a cylindrical bending resistance axle along central axis, one section, the inboard of cylindrical bending resistance axle depend on one substantially in Semicircular first annular wall, the side face of the other end of the main body of body portion is provided with the first groove along axis direction opening, Described cylindrical bending resistance axle is provided with first through hole through along radial line direction;
Cutter hub cutting tip, the termination, one end of this blades of cutting tools is provided with blade mounting portion, and a blade is fixed on described blade In installation portion, the other end of this blades of cutting tools is along central axis cylindrical bending resistance hole, direction recessed in end, in cylinder It is additionally provided with one along the second radially the most through groove at the perisporium in the hole of the outer end in bending resistance hole, the other end of this blades of cutting tools The perisporium in hole also extends the second annular wall of a substantially semicircular in shape outside end, the outer end of the second annular wall also along axis direction to Protrude out outward the first convex body;
When the other end of body portion docks mutually with the other end of blades of cutting tools, the cylinder of the other end of body portion Bending resistance axle matches with the cylindrical bending resistance hole sleeve of the other end of blades of cutting tools, the first of the other end of blades of cutting tools Convex body matches with the first groove sleeve of the other end of body portion, makes the second annular wall bag of the other end of blades of cutting tools An overall circle is surrounded on the cylindrical bending resistance axle of the other end being wound on body portion and with first annular wall;One shank is simultaneously It is plugged in the first through hole of body portion and the second groove of blades of cutting tools.
The cross section of the first groove of described body portion is sector structure, the first convex body of described blades of cutting tools transversal Face is sector structure.
Match for interference between first convex body and first groove of described body portion of described blades of cutting tools.
Match for interference between cylindrical bending resistance axle and the cylindrical bending resistance hole of blades of cutting tools of described body portion.
The cross section of the first through hole of described body portion is rectangular shape, the second groove of described blades of cutting tools be set to The rectangular shape that first through hole of body portion is corresponding, the cross section of described shank is set to relative with the first through hole of body portion The rectangular shape answered.
The cross section of the first through hole of described body portion is square, and the second groove of described blades of cutting tools is set to and cutter The square that first through hole of body portion is corresponding, the cross section of described shank is set to corresponding with the first through hole of body portion Square.
Match for interference between described shank with the first through hole of body portion, the second groove of blades of cutting tools.
At least one end of described shank is provided with is easy to the 3rd groove that instrument inserts.
Described body portion is provided with the first Cooling Holes running through two ends along axis direction, described blades of cutting tools be provided with along Axis direction runs through second Cooling Holes at two ends, and one end of the second Cooling Holes passes to the blade mounting portion of blades of cutting tools, when When the other end of body portion docks mutually with the other end of blades of cutting tools, the other end of the second Cooling Holes of blades of cutting tools It is connected with the first Cooling Holes of body portion.
First Cooling Holes of described body portion is made up of shoulder hole and inclined hole, and shoulder hole is located at one end of described body portion, Inclined hole is located at the other end of the main body of described body portion.
This utility model protrudes out a cylindrical bending resistance axle owing to have employed the other end at body portion along central axis outside end, One section, the inboard of cylindrical bending resistance axle depends on the first annular wall of a substantially semicircular in shape, the week of the other end of the main body of body portion Face is provided with the first groove along axis direction opening, is provided with first through hole through along radial line direction in cylindrical bending resistance axle; At the other end of blades of cutting tools along a recessed cylindrical bending resistance hole, central axis direction in end, outside cylindrical bending resistance hole Be additionally provided with one along the second radially the most through groove at the perisporium in the hole of end, the perisporium in the hole of the other end of blades of cutting tools also to Second annular wall of end outer extension one substantially semicircular in shape, the outer end of the second annular wall is convex also along axis direction outward first Body;When the other end of body portion docks mutually with the other end of blades of cutting tools, allow the cylinder of the other end of body portion Bending resistance axle matches with the cylindrical bending resistance hole sleeve of the other end of blades of cutting tools, allow blades of cutting tools the other end One convex body matches with the first groove sleeve of the other end of body portion, makes the second annular wall of the other end of blades of cutting tools An overall circle is surrounded on the cylindrical bending resistance axle of the other end surrounding body portion and with first annular wall;Again by one Shank is plugged in the first through hole of body portion and the second groove of blades of cutting tools simultaneously so that body portion and cutter are cut Cut part and connect into an entirety, can be used for the processing in hole, when tool damage, only shank need to be released, it is possible to along axle Blades of cutting tools is removed by line direction, changes new blades of cutting tools, and solving current aperture knife tool, to disassemble program more multiple Miscellaneous, change the problems such as inefficient, reached on the basis of not reducing cutting performance, it is possible to significant increase Cutting tool installation manner efficiency And reduce the purpose producing non-cutting time.
Below in conjunction with drawings and Examples, this utility model is described in further detail;But one of the present utility model can be at machine The pin wedge joint formula aperture knife tool changed is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is D structure schematic diagram of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is right view of the present utility model;
Fig. 4 is left view of the present utility model;
Fig. 5 is top view of the present utility model;
Fig. 6 is upward view of the present utility model;
Fig. 7 is the sectional view of the line A-A along Fig. 2;
Fig. 8 is the D structure schematic diagram of body portion of the present utility model;
Fig. 9 is the front view of body portion of the present utility model;
Figure 10 is the right view of body portion of the present utility model;
Figure 11 is the left view of body portion of the present utility model;
Figure 12 is the top view of body portion of the present utility model;
Figure 13 is the upward view of body portion of the present utility model;
Figure 14 is the sectional view of the line B-B along Figure 12;
Figure 15 is the D structure schematic diagram of blades of cutting tools of the present utility model;
Figure 16 is the front view of blades of cutting tools of the present utility model;
Figure 17 is the right view of blades of cutting tools of the present utility model;
Figure 18 is the left view of blades of cutting tools of the present utility model;
Figure 19 is the top view of blades of cutting tools of the present utility model;
Figure 20 is the upward view of blades of cutting tools of the present utility model;
Figure 21 is the sectional view of the line C-C along Figure 19;
Figure 22 is assembling schematic diagram of the present utility model;
Figure 23 is the assembling schematic diagram of this utility model (rotating a visual angle).
Detailed description of the invention
Embodiment
See shown in Fig. 1 to Figure 23, a kind of pin wedge joint formula aperture knife tool can changed at machine of the present utility model, including:
Body portion 1, one end of this body portion 1 is provided with the solid plane 11 in the side for being connected with machine tool chief axis interface, should The other end of body portion 1 protrudes out a cylindrical bending resistance axle 12, the inboard one of cylindrical bending resistance axle 12 along central axis outside end Section depends on the first annular wall 13 of a substantially semicircular in shape, and the side face of the other end of the main body 10 of body portion 1 is provided with along axle First groove 14 of line direction opening, is provided with first through hole 15 through along radial line direction in described cylindrical bending resistance axle 12; Wherein, the main body 10 of body portion 1 refers to not include in body portion 1 cylindrical bending resistance axle 12 and first annular wall 13 Other parts;
Cutter hub cutting tip 2, the termination, one end of this blades of cutting tools 2 is provided with blade mounting portion 21, and a blade 3 is fixed on In described blade mounting portion 21, the other end of this blades of cutting tools 2 is cylindrical anti-along central axis direction recessed in end Curved hole 22, is additionally provided with one along the second the most through groove 25 at the perisporium in the hole of the outer end in cylindrical bending resistance hole 22, should The perisporium in the hole of the other end of blades of cutting tools 2 also the second annular wall 23 of extension one substantially semicircular in shape outside end, second The outer end of annular wall 23 is also along axis direction outward the first convex body 24;
When the other end of body portion 1 docks mutually with the other end of blades of cutting tools 2, the other end of body portion 1 Cylindrical bending resistance axle 12 matches with cylindrical bending resistance hole 22 sleeve of the other end of blades of cutting tools 2, blades of cutting tools First convex body 24 of the other end of 2 matches with the first groove 14 sleeve of the other end of body portion 1, makes Tool in Cutting portion Point the second annular wall 23 of other end other end of surrounding body portion cylindrical bending resistance axle 12 on and with first annular wall 13 surround an overall circle;One shank 4 is plugged on the first through hole 15 of body portion and the of blades of cutting tools simultaneously In two grooves 25.
The cross section of the first groove 14 of body portion is sector structure, the horizontal stroke of the first convex body 24 of described blades of cutting tools Cross section is sector structure;First convex body 24 of blades of cutting tools coincide with the first groove 14 of body portion and coordinates.
In the present embodiment, for interference between the first convex body 24 and first groove 14 of described body portion of blades of cutting tools Match.
In the present embodiment, between cylindrical bending resistance axle 12 and the cylindrical bending resistance hole 22 of blades of cutting tools of body portion it is Interference matches.
In the present embodiment, the cross section of the first through hole 15 of body portion is square, and the second of described blades of cutting tools is recessed Groove 25 is set to the square corresponding with the first through hole 15 of body portion, and the cross section of described shank 4 is set to and body portion The corresponding square of the first through hole.And first through hole 15 foursquare four edges not with the axis phase of cylindrical bending resistance axle Parallel and perpendicular, but shape is in an angle, as such, it is possible to utilize the hypotenuse of the second groove 25 to prevent blades of cutting tools It is upturned relative to body portion.
Match for interference between described shank 4 with the first through hole 15 of body portion, the second groove 25 of blades of cutting tools.
At least one end of described shank 4 is provided with is easy to the 3rd groove 41 that instrument inserts.
Described body portion 1 is provided with the first Cooling Holes 16 running through two ends along axis direction, and described blades of cutting tools 2 sets There is the second Cooling Holes 26 running through two ends along axis direction, and one end of the second Cooling Holes 26 passes to the cutter of blades of cutting tools Sheet installation portion 21, when the other end of body portion 1 docks mutually with the other end of blades of cutting tools 2, blades of cutting tools The other end of the second Cooling Holes 26 be connected with the first Cooling Holes 16 of body portion.
First Cooling Holes 16 of described body portion is made up of shoulder hole 161 and inclined hole 162, and shoulder hole 161 is located at described cutter One end of body portion 1, inclined hole 162 is located at the other end of the main body 10 of described body portion.
A kind of pin wedge joint formula aperture knife tool can changed at machine of the present utility model, body portion 1 is combined installation portion with lathe Position is designed to standard-sized side-strengthened interface, and has coolant input channel in cylindrical center's Position Design of side-strengthened interface (the i.e. first Cooling Holes) 16, coolant input channel 16 adds the form of inclined hole 162 through body portion with shoulder hole 161 1;Body portion 1 is respectively designed with blades of cutting tools 2 binding end portion: scalloped recess that is first groove 14, through hole are i.e. First through hole 15 and cylindrical bending resistance axle 12;Cutter hub cutting tip 2 and body portion 1 binding end portion are respectively designed with: fan-shaped Projection is the first convex body 24, runs through groove that is second groove 25 and cylindrical bending resistance hole 22;Whole cutter hub compound mode is: fan-shaped Groove that is first groove 14 and sector projection that is first convex body 24 are attached in an interference fit, cylindrical bending resistance axle 12 are attached in the way of basic hole system interference fit with cylindrical bending resistance hole 22, and these two groups connections, mainly by body portion 1 combines with cutter hub cutting tip 2, and scalloped recess that is first groove 14 and the combination of sector projection that is first convex body 24 can With opposing body portion 1 and cutter hub cutting tip 2 between produce rotate in a circumferential direction, radial motion and axial compression motion, with Time can also play strengthen cutter anti-bending strength effect, there is excellent antitorque, bending resistance and anti-extrusion performance;Body portion 1 The cylindrical bending resistance axle 12 of the end position that face is parallel admittedly with side is designed with through hole that is first through hole 15, cutter hub cutting tip 2 are designed with and run through groove that is second groove 25, wherein shank 4, through hole that is first through hole 15 and run through groove that is second groove 25 Work in coordination, by shank 4 through between the two, thus realize body portion 1 and blades of cutting tools 2 wedge joint, not only It is firmly combined with, and also functions to the effect resisted axial tension and radially bend.This combination, not only eliminates cutter hub Screw connects, and reduces cutter structure and complicates and cutter hub manufacturing cost, also improve the convenience of cutter changing simultaneously, shortens Produce non-cutting time.Blades of cutting tools 2I combines end and is designed with coolant output channel that is second Cooling Holes 26, with cutter hub Part 1 combines coolant input channel that is first Cooling Holes 16 of end and docks, thus realize coolant from body portion 1 One end inputs, and is directly injected at blade, plays good cooling effect, improves the high temperature resistant property of cutter and extends cutter The service life of tool.
The blade 3 of the present embodiment uses indexable insert tip, throw away tip, and indexable insert tip, throw away tip is arranged on blades of cutting tools 2 by trip bolt Blade mounting portion 21, undertake machining task, owing to there is certain overhanging blade mounting portion position, therefore, this cutter is not It is only capable of realizing car endoporus, turning, can also be used on vertical boring mill simultaneously and carry out Boring.
Above-mentioned simply preferred embodiment of the present utility model, not makees any pro forma restriction to this utility model.Although this Utility model is disclosed above with preferred embodiment, but is not limited to this utility model.Any technology being familiar with this area Personnel, in the case of without departing from technical solutions of the utility model scope, may utilize the technology contents of the disclosure above to this practicality New technique scheme makes many possible variations and modification, or is revised as equivalents Equivalent embodiments.Therefore, every do not take off From the content of technical solutions of the utility model, any simply repair made for any of the above embodiments according to this utility model technical spirit Change, equivalent variations and modification, all should fall in the range of technical solutions of the utility model are protected.

Claims (10)

1. the pin wedge joint formula aperture knife tool can changed at machine, it is characterised in that: including:
Body portion, one end of this body portion is provided with the solid plane in the side for being connected, this cutter with machine tool chief axis interface The other end of body portion protrudes out a cylindrical bending resistance axle along central axis outside end, and one section, the inboard of cylindrical bending resistance axle depends on The first annular wall of attached one substantially semicircular in shape, the side face of the other end of the main body of body portion is provided with along axis direction First groove of opening, is provided with first through hole through along radial line direction in described cylindrical bending resistance axle;
Cutter hub cutting tip, the termination, one end of this blades of cutting tools is provided with blade mounting portion, and a blade is fixed on described In blade mounting portion, the other end of this blades of cutting tools is along central axis cylindrical bending resistance in direction recessed in end Hole, is additionally provided with one along the second the most through groove, this cutter at the perisporium in the hole of the outer end in cylindrical bending resistance hole The perisporium in the hole of the other end of cutting tip also the second annular wall of extension one substantially semicircular in shape outside end, the second annular The outer end of wall is also along axis direction outward the first convex body;
When the other end of body portion docks mutually with the other end of blades of cutting tools, the circle of the other end of body portion Cylindricality bending resistance axle matches with the cylindrical bending resistance hole sleeve of the other end of blades of cutting tools, blades of cutting tools another First convex body of one end matches with the first groove sleeve of the other end of body portion, makes another of blades of cutting tools One is surrounded on the cylindrical bending resistance axle of the other end that the second annular wall of end surrounds body portion and with first annular wall The circle of individual entirety;One shank is plugged on the first through hole of body portion and the second groove of blades of cutting tools simultaneously In.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 1, it is characterised in that: institute The cross section of the first groove stating body portion is sector structure, the cross section of the first convex body of described blades of cutting tools For sector structure.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 2, it is characterised in that: institute State and match for interference between the first convex body of blades of cutting tools and the first groove of described body portion.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 1, it is characterised in that: institute State and match for interference between the cylindrical bending resistance axle of body portion and the cylindrical bending resistance hole of blades of cutting tools.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 1, it is characterised in that: institute The cross section of the first through hole stating body portion is rectangular shape, and the second groove of described blades of cutting tools is set to and cutter The rectangular shape that first through hole of body portion is corresponding, the cross section of described shank is set to the first through hole with body portion Corresponding rectangular shape.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 5, it is characterised in that: institute The cross section of the first through hole stating body portion is square, and the second groove of described blades of cutting tools is set to and cutter hub The square that the first through hole partly is corresponding, the cross section of described shank is set to relative with the first through hole of body portion The square answered.
7. according to the pin wedge joint formula aperture knife tool can changed at machine described in claim 5 or 6, it is characterised in that: Match for interference between described shank with the first through hole of body portion, the second groove of blades of cutting tools.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 1, it is characterised in that: institute At least one end stating shank is provided with the 3rd groove being easy to instrument insertion.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 1, it is characterised in that: institute Stating body portion and be provided with the first Cooling Holes running through two ends along axis direction, described blades of cutting tools is provided with along axle Second Cooling Holes at two ends is run through in line direction, and one end of the second Cooling Holes passes to the blade installation of blades of cutting tools Portion, when the other end of body portion docks mutually with the other end of blades of cutting tools, the second of blades of cutting tools is cold But the other end in hole is connected with the first Cooling Holes of body portion.
The pin wedge joint formula aperture knife tool can changed at machine the most according to claim 9, it is characterised in that: institute The first Cooling Holes stating body portion is made up of shoulder hole and inclined hole, and shoulder hole is located at one end of described body portion, tiltedly Hole is located at the other end of the main body of described body portion.
CN201620384547.0U 2016-04-29 2016-04-29 Can be at round pin wedge joint formula hole machining tool of machine change Withdrawn - After Issue CN205629423U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620384547.0U CN205629423U (en) 2016-04-29 2016-04-29 Can be at round pin wedge joint formula hole machining tool of machine change

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620384547.0U CN205629423U (en) 2016-04-29 2016-04-29 Can be at round pin wedge joint formula hole machining tool of machine change

Publications (1)

Publication Number Publication Date
CN205629423U true CN205629423U (en) 2016-10-12

Family

ID=57062188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620384547.0U Withdrawn - After Issue CN205629423U (en) 2016-04-29 2016-04-29 Can be at round pin wedge joint formula hole machining tool of machine change

Country Status (1)

Country Link
CN (1) CN205629423U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834463A (en) * 2016-04-29 2016-08-10 厦门金鹭特种合金有限公司 Pin wedge grafting type hole machining tool capable of being replaced in on-machine mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105834463A (en) * 2016-04-29 2016-08-10 厦门金鹭特种合金有限公司 Pin wedge grafting type hole machining tool capable of being replaced in on-machine mode

Similar Documents

Publication Publication Date Title
CN203918039U (en) Combination subland drill
CN203804332U (en) Machining multifunctional composite cutting tool
CN204108418U (en) Taper drill
CN203003239U (en) Novel chamfering cutter for numerically controlled lathe
CN207239240U (en) A kind of quick drill and functions of reaming, chamfering knife
CN205629423U (en) Can be at round pin wedge joint formula hole machining tool of machine change
CN103706867A (en) Dovetail milling cutter
JP2009274173A (en) Profile rotary cutting tool, grooving apparatus, and grooving method
CN202169403U (en) Forming end mill
CN105834463A (en) Pin wedge grafting type hole machining tool capable of being replaced in on-machine mode
CN103357937B (en) There is the milling cutter of multiple milling unit
CN205650835U (en) Welding PCD bore hole chamfer combination cutting tool
CN205702577U (en) Split module indexable drill
CN103192121A (en) Automatic burr-removing combined drill
CN205551493U (en) Piston pin hole processing gang tool
CN101700579B (en) High-precision hole-machining drilling and boring cutter
CN210996695U (en) Novel step forming reamer for removing annular iron chips of cast blind holes
CN104551272A (en) Formed cutter for internal thread holes
CN203197337U (en) Welded-blade milling cutter
CN204843542U (en) Grind way machine knife piece slotting attachment
CN105817656A (en) Composite hole machining cutter capable of being spliced and combined
CN206185995U (en) Carpenter's all -wing aircraft bores blank
CN203253979U (en) Automatic burring composite drill
CN104227114A (en) Milling cutter
CN208019539U (en) One kind being used for rough machined PCD reamers

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20161012

Effective date of abandoning: 20180227

AV01 Patent right actively abandoned