CN108380954A - The two-way adjustable slotting cutter of combined material - Google Patents
The two-way adjustable slotting cutter of combined material Download PDFInfo
- Publication number
- CN108380954A CN108380954A CN201810375819.4A CN201810375819A CN108380954A CN 108380954 A CN108380954 A CN 108380954A CN 201810375819 A CN201810375819 A CN 201810375819A CN 108380954 A CN108380954 A CN 108380954A
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- CN
- China
- Prior art keywords
- blade
- cutter
- cutter hub
- screw
- cbn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/28—Details of hard metal, i.e. cemented carbide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The present invention relates to metal cutting process cutter fields, more particularly to a kind of two-way adjustable slotting cutter of combined material, include the cutter hub of hardenable alloys steel, the cutter hub side is equipped with 27 hard-alloy screw blades, and 12 CBN blades, cutter hub side, which is equipped with, passes to the open slot that cutter hub uses end face, flexible blade bearing is equipped in open slot, CBN blade is installed on blade bearing and is exposed from cutter hub using end face, and the clamp system and micro-adjusting mechanism being fixed on blade bearing in open slot are additionally provided on cutter hub.The present invention is by the ingenious slotting cutter combined of strong point of carbide helical end mill and CBN cutters, and blade is fine-tuning in axial direction and radial direction, has the advantages that plane, side and the clear angle of finish-milling step.Two kinds of cutters of different materials play the strong point of respective material, improve cutting ability, and workpiece surface precision is high after milling, and roughness is low, and tool life improves 1/3 compared with hard alloy cutter；Practicability is stronger, can cutter seriation.
Description
Technical field
The present invention relates to metal cutting process cutter field, more particularly to a kind of two-way adjustable slotting cutter of combined material.
Background technology
The step-like part of previous finish-milling, such as the lathe bed of lathe, column, there is the horizontal support surface of installation the linear guide above
With side backer face.If being processed with helical end mills, durability is low, and production efficiency is not high.If selecting the processing of CBN end mill(ing) cutters, hang down
Directly spend it is bad, and cannot be guaranteed the clear angle of right angle, if that is, roots Level right angle and cannot have circular arc, currently on the market not yet
There is precision high and the slotting cutter of durable finish-milling step.
This kind of band step parts of previous finish-milling, cutting tool choice limits to very much, can only be hard alloy solid end mill or hard
Alloy welded type helical end mills, but machined surface roughness is just got higher soon for two kinds of knife processing here, and tool life is low, work
Part precision is unqualified.And have screw hole, groove, cavity etc. on the machined surface, be also easy to because cutting force is uneven, cause crushing knife,
It forges a knife.
CBN (cubic boron nitride) blades and Cemented Carbide Milling Insert in the prior art allow cutting speed different, combination
Select suitable cutting speed contradiction very big afterwards together.If individually selecting CBN materials that cutter is made, because material cause should not process
Side, also unclear angle at step.If being welded on carbide helical end mill sword with CBN material blades, do not accomplish in technique
Or difficulty is larger.
Invention content
The present invention provides a kind of two-way adjustable slotting cutter of combined material, has while playing hard alloy screw vertical milling
The strong point of knife, CBN cutters has the advantages that plane, side and the clear angle of finish-milling step.
The present invention above-mentioned technical purpose technical scheme is that：A kind of combined material is two-way adjustable
Slotting cutter, including cutter hub, the cutter hub side are equipped with 2-7 pieces hard-alloy screw blade and 1-2 piece CBN blades, cutter hub side
Face is equipped with the open slot for passing to cutter hub milling end face, is equipped with flexible blade bearing in open slot, CBN blade is installed on blade
Milling end face on seat and from cutter hub is exposed, and the clamp system being fixed on blade bearing in open slot is additionally provided on cutter hub.
By using above-mentioned technical proposal, by the cutter of both different materials of CBN blade Yu hard-alloy screw blade
Combine, the strong point of respective material can be played, can play hard-alloy screw blade cutting it is sharp, precision is high, more resistance to
The strong point of impact, and the advantage that workpiece roughness is low, durability is high when CBN blade is processed can be played, so as to finish-milling part platform
The corner of plane, side and roots Level at rank.
Preferably, further include the micro-adjusting mechanism for making blade bearing make axially to align with CBN blade.
By using above-mentioned technical proposal, can be needed to carry out axial fine tuning to blade according to processing.
Preferably, the slot bottom of the open slot is equipped with the first threaded hole, the second screw thread successively far from cutter hub milling end face
Hole, for blade bearing by interior hexagonal pyramidal screw lock in open slot, micro-adjusting mechanism includes adjusting wedge, and adjusting wedge passes through double
Head screw is positioned at the second threaded hole.
By using above-mentioned technical proposal, when tightening the screw at the first threaded hole, the two side of blade bearing and open slot
It squeezes, flexible blade bearing deforms after being squeezed, tightly against the inner wall of the open slot；Tighten the screw at the second threaded hole
When, adjusting wedge pushes blade bearing, can make axial fine tuning, as axial support.
Preferably, the clamp system includes the adjusting screw for making radially to finely tune, and adjusting screw is set in the first threaded hole,
The interior hexagonal pyramidal screw of knife edge tablet seat is passed through from adjusting screw.
By using above-mentioned technical proposal, turning adjusting screw can radially finely tune the position of blade bearing along cutter hub.
Preferably, CBN blade is HBM310 materials, and hard-alloy screw blade surface is equipped with coating, and coating material is
YL10.2。
By using above-mentioned technical proposal, material is the CBN blade of HBM310, cutting speed Vc=200~500 of permission
M/min, the cutting speed that hard-alloy screw blade allows after coating treatment is at 80~250 ms/min, and the two is in cutting speed
There are an overlapping region, available suitable cutting speed on degree.
Preferably, the helical angle of hard-alloy screw blade is 30 °~35 °.
By using above-mentioned technical proposal, the structural strength and cutting effect of hard-alloy screw blade can be taken into account.
In conclusion the invention has the advantages that：
CBN blade and hard-alloy screw blade are combined into novel slotting cutter, two kinds of cutters of different materials by the present invention
The strong point for playing respective material improves cutting ability, and milling rear surface precision is high, and roughness is low, and durability is compared with hard alloy
Cutter improves 1/3；After cutter blunt can also reconditioning it is multiple, reduce cost；CBN blade is fine-tuning in axial direction and radial direction,
Practicability is stronger, can cutter seriation.
Description of the drawings
Fig. 1 is the overall structure diagram of the two-way adjustable slotting cutter of combined material；
Fig. 2 is the two-way adjustable slotting cutter of combined material without blade bearing, adjusting wedge and hard-alloy screw blade etc.
Structural schematic diagram；
Fig. 3 is the partial elevation view of the two-way adjustable slotting cutter of combined material；
Fig. 4 is the sectional view along A-A of Fig. 3；
Fig. 5 is the front view that cutter hub is hidden in Fig. 4；
Fig. 6 is the structural schematic diagram of tool tip.
In figure, 1, cutter hub；2, hard-alloy screw blade；3, CBN blade；4, open slot；5, blade bearing；51, groove；
52, counter sink；53, elongated slot；6, the first threaded hole；7, the second threaded hole；8, adjusting wedge；9, interior hexagonal pyramidal screw；10, it adjusts
Save screw；11, dowel screw.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
A kind of two-way adjustable slotting cutter of combined material, as shown in Figure 1 and Figure 2, which includes made of hardenable alloys steel
Cutter hub 1, cutter hub 1 are 30 °~35 ° of hard-alloy screw blade 2, cutter hub 1 using 2-7 piece helical angles are machined on the side at end
Side does not set and offers open slot 4 at 1-2 at hard-alloy screw blade 2, and open slot 4 is in the straight length parallel with 1 axis of cutter hub
Type, and communicated with the milling end face of cutter hub 1.Flexible blade bearing 5 there are one being respectively mounted in each open slot 4, triangle
CBN blade 3 be tightened on blade bearing 5.
In conjunction with Fig. 1 and Fig. 5, CBN blade 3 is parallelly fixed on axial on the side at 5 top of blade bearing, and CBN knives
The axially raised hard-alloy screw blade 0.02mm of point of a knife of piece 3,3 point of a knife of CBN blade of protrusion play scraping step plane
Effect.The point of a knife of CBN blade 3 is radially less than the about 0.05mm of hard-alloy screw blade 2, the hard alloy screw knife of protrusion
Piece 2 plays milling step side and clear angle.
In conjunction with Fig. 2 and Fig. 4, the slot bottom of open slot 4 is machined with the first threaded hole 6 and the second threaded hole 7, the first threaded hole 6
Use end from cutter hub 1 is closer, and 6 axis of the first threaded hole is vertical with cutter hub axis, 7 axis of the second threaded hole and the first screw thread
The angle of 6 axis of hole is 5 °.There are the internal thread of two sections of different-diameters, the oral area internal thread of the first threaded hole 6 in first threaded hole 6
It is screwed with adjusting screw 10, blade bearing 5 is fixed on the first threaded hole 6 with interior hexagonal pyramidal screw 9, interior hexagonal pyramidal screw 9
In adjusting screw 10.
In conjunction with Fig. 1 and Fig. 4 turning adjusting screw 10 is only needed to 3 diametrical position of fine tuning CBN blade；And
It when needing to be adjusted axially along cutter hub 1 position of CBN blade 3, needs to rotate dowel screw 11 in the second threaded hole 7, with double
Adjusting wedge 8 is fixed in 4 hole of open slot by head screw 11, and 8 inclined-plane of adjusting wedge is contacted with 5 end face of blade bearing, adjusting wedge 8
Busbar relative to 5 ° of 5 end slope of blade bearing, which is 5 °, and it is parallel with 5 end face of blade bearing to reach inclined-plane, works as rotation
When dowel screw 11, adjusting wedge 8 pushes out the movement of blade bearing 5, and flexible blade bearing 5 is securely fastened to open slot 4
It is interior.Adjusting screw 10 and interior hexagonal pyramidal screw 9 constitute the clamping structure for fastening blade bearing 5, adjusting wedge 8 and double end spiral shell
Nail 11 is constituted for the axial micro-adjusting mechanism for aligning 3 position of CBN blade.
As shown in fig. 6, blade bearing 5 is similar to rectangular shape, side is offered for being embedded in triangle CBN blade 3
Groove 51, upper surface are equipped with kidney-shaped counter sink 52 and pass to the elongated slot 53 of lower surface, and elongated slot 53 is set along 5 length direction of blade bearing
It sets.When interior hexagonal pyramidal screw 9 is tightened, it is pressed down against counter sink 52, blade bearing 5 is that boundary is opened to both sides deformation with elongated slot 53
It opens.
Coating treatment is passed through on 2 surface of above-mentioned hard-alloy screw blade, and point of a knife sharpens r=0.25 circular arcs, and side edge and end
The radial direction of sword is below 0.005mm with axial runout precision, can be respectively increased cutting force it is irregular when point of a knife impact strength and
Milling Accuracy.Hard-alloy screw blade 2 and the cutting speed Vc of CBN blade 3 are controlled at 200~250 ms/min, the speed
It is the velocity interval that two kinds of material cutters allow, works under this cutting speed and cutting-tool's used life can be improved.Above-mentioned CBN
Blade 3 is using HBM310 materials, and also mill has negative chamfered edge on rake face.
Installation and debugging process are as follows：
1. first checking the precision of the side edge of coated carbides screw blade 2 and end sword, it is intended to be less than 0.005, then
Clean the open slot 4 on cutter hub 1.
2. the blade bearing 5 for having installed CBN blade 3 is mounted on interior hexagonal pyramidal screw 9 in the open slot 4 of cutter hub 1,
Hexagonal pyramidal screw 9 in slight locking, makes flexible blade bearing 5 be fixed in open slot 4 by lateral expansion.
3. on tool setting gauge, side tool sword is first aligned, by turn adjusting screw 10, makes the point of a knife of CBN blade 3 radial low
In hard-alloy screw blade 2 side edge about 0.05mm, then hexagonal pyramidal screw 9 in pico- locking.
4. on tool setting gauge, then aligning end face blade, rotation dowel screw 11 forces adjusting wedge 8 to move up and down, and adjusts
Voussoir 8 has 5 ° of oblique angles, and blade bearing 5 can be made to be moved axially in open slot 4.It is transferred to the axially raised hard of point of a knife of CBN blade 3
2 end sword 0.02mm of alloy screw blade.
5. hexagonal pyramidal screw 9 in locking, makes flexible blade bearing 5 be securely fastened to open slot by dilatancy
In 4.
6. recheck side tool sword precision and the axial runout precision of the type milling cutter, if clause in " 3 " " 4 " article is not achieved,
Continue to align, until meeting the requirements.
Milling effect：
With the two-way adjustable slotting cutter of the combined material of φ 50, finish-milling F250 Cast Iron Surfaces have the guide rail reference plane of threaded hole,
Cutting parameter：N=1260~1300 rev/min, Vc=196~204 m/min, the millis m/min of feed F=300~400, it is axial into
Knife amount ap=0.05~0.1 millimeter, ae=0.05 millimeters of radial feed amount, workpiece end face roughness reaches Ra0.8, side after processing
Roughness can be stable at Ra1.6 or less.The area of 760*200mm is processed, flatness is less than 0.005, the two guide rail side depth of parallelisms
Up to 0.005/500, part processing precision is improved, the durability of the two-way adjustable slotting cutter of combined material compares carbide end mill
Improve 1/3.
By long-time cutting test and live converted products, it was therefore concluded that：The two-way adjustable slotting cutter of the combined material is cut
Cut sharp, cutter life is long, and the more usual precision of workpiece of cutting is high, roughness is low；Have the function of that bidirectional trimming, levelling are convenient；
Also have the function of repeatedly to reface, use cost can be reduced, it is highly practical.
The above embodiments are only explanation of the invention, are not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (6)
1. a kind of two-way adjustable slotting cutter of combined material, including cutter hub (1), it is characterized in that：Cutter hub (1) side is equipped with 2-7
Piece hard-alloy screw blade (2) and 1-2 pieces CBN blade (3), cutter hub (1) side are equipped with and pass to cutter hub (1) milling end face
Open slot (4), flexible blade bearing (5) is equipped in open slot (4), CBN blade (3) is installed on blade bearing (5) simultaneously
Expose from the milling end face of cutter hub (1), the clamping machine being fixed on blade bearing (5) in open slot (4) is additionally provided on cutter hub (1)
Structure.
2. the two-way adjustable slotting cutter of combined material according to claim 1, it is characterized in that：Further include making blade bearing (5) band
It CBN blade (3) and makees the micro-adjusting mechanism axially aligned.
3. the two-way adjustable slotting cutter of combined material according to claim 2, it is characterized in that：The slot bottom of the open slot (4)
Equipped with the first threaded hole (6), the second threaded hole (7) successively far from cutter hub (1) milling end face, blade bearing (5) passes through interior hexagonal
Cone screw (9) is lock onto in open slot (4), and micro-adjusting mechanism includes adjusting wedge (8), and adjusting wedge (8) passes through dowel screw
(11) it is positioned at the second threaded hole (7).
4. the two-way adjustable slotting cutter of combined material according to claim 3, it is characterized in that：The clamp system includes making diameter
To the adjusting screw (10) of fine tuning, adjusting screw (10) is set in the first threaded hole (6), the interior hexagonal cone of knife edge tablet seat (5)
Shape screw (9) is passed through from adjusting screw (10).
5. the two-way adjustable slotting cutter of combined material according to claim 1, it is characterized in that：The CBN blade (3) is
HBM310 materials, hard-alloy screw blade (2) surface are equipped with coating, coating material YL10.2.
6. the two-way adjustable slotting cutter of combined material according to claim 1, it is characterized in that：The hard-alloy screw blade
(2) helical angle is 30 °~35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375819.4A CN108380954A (en) | 2018-04-20 | 2018-04-20 | The two-way adjustable slotting cutter of combined material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375819.4A CN108380954A (en) | 2018-04-20 | 2018-04-20 | The two-way adjustable slotting cutter of combined material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108380954A true CN108380954A (en) | 2018-08-10 |
Family
ID=63064695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810375819.4A Pending CN108380954A (en) | 2018-04-20 | 2018-04-20 | The two-way adjustable slotting cutter of combined material |
Country Status (1)
| Country | Link |
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| CN (1) | CN108380954A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601627A (en) * | 2018-08-24 | 2021-04-02 | 格里森刀具股份有限公司 | Multi-part gear cutting tool and method of making same |
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| CN203437717U (en) * | 2013-08-19 | 2014-02-19 | 李艽 | T-shaped slot milling cutter |
| CN203636055U (en) * | 2014-03-13 | 2014-06-11 | 森泰英格（成都）数控刀具有限公司 | Milling cutter fine adjusting structure |
| CN203956180U (en) * | 2014-01-23 | 2014-11-26 | 上海新山田精密刀具有限公司 | Spiral week milling milling cutter |
| CN105834499A (en) * | 2016-04-28 | 2016-08-10 | 哈尔滨理工大学 | Staggered PCD milling cutter used for processing reinforced fiber polymer and method |
| CN206216002U (en) * | 2016-11-29 | 2017-06-06 | 西安万威刀具股份有限公司 | A kind of aluminium alloy minute surface milling cutter |
| CN107081462A (en) * | 2017-05-16 | 2017-08-22 | 西安秦越精密工具有限公司 | Four cutting edge face milling cutters |
| CN208099432U (en) * | 2018-04-20 | 2018-11-16 | 苏州市达圣机械有限公司 | The two-way adjustable slotting cutter of combined material |
-
2018
- 2018-04-20 CN CN201810375819.4A patent/CN108380954A/en active Pending
Patent Citations (15)
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| JPH0788715A (en) * | 1993-07-13 | 1995-04-04 | Retsu Gomi | End mill |
| JP2002178211A (en) * | 2000-12-14 | 2002-06-25 | Osg Corp | Ultra-high pressure cbn sintered body end mill |
| CN1997477A (en) * | 2004-07-06 | 2007-07-11 | 钴碳化钨硬质合金公司 | Milling tool |
| CN101298105A (en) * | 2008-06-19 | 2008-11-05 | 上海美恩精密工具有限公司 | Rotatable face milling cutter made of superhard material |
| CN202155588U (en) * | 2011-07-11 | 2012-03-07 | 深圳市航天精密刀具有限公司 | Welded type CBN (cubic boron nitride) spiral end milling cutter |
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| CN103357940A (en) * | 2013-08-06 | 2013-10-23 | 江苏苏铃精工机械有限公司 | A finish-milling high-precision guide-surface welding type cemented carbide spiral end mill |
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| CN203956180U (en) * | 2014-01-23 | 2014-11-26 | 上海新山田精密刀具有限公司 | Spiral week milling milling cutter |
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| CN206216002U (en) * | 2016-11-29 | 2017-06-06 | 西安万威刀具股份有限公司 | A kind of aluminium alloy minute surface milling cutter |
| CN107081462A (en) * | 2017-05-16 | 2017-08-22 | 西安秦越精密工具有限公司 | Four cutting edge face milling cutters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112601627A (en) * | 2018-08-24 | 2021-04-02 | 格里森刀具股份有限公司 | Multi-part gear cutting tool and method of making same |
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