CN106891051A - A kind of fluted drill oil groove milling cutter - Google Patents
A kind of fluted drill oil groove milling cutter Download PDFInfo
- Publication number
- CN106891051A CN106891051A CN201510963604.0A CN201510963604A CN106891051A CN 106891051 A CN106891051 A CN 106891051A CN 201510963604 A CN201510963604 A CN 201510963604A CN 106891051 A CN106891051 A CN 106891051A
- Authority
- CN
- China
- Prior art keywords
- milling cutter
- fluted drill
- oil groove
- chip
- groove milling
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1081—Shank-type cutters, i.e. with an integral shaft with permanently fixed cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/36—Production of grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The present invention relates to a kind of fluted drill oil groove milling cutter, optimize on the basis of common fluted drill and form, give full play to the cutting ability of fluted drill；The φ of drift angle 2 of fluted drill oil groove milling cutter is 120 °, two main cutting edges are spatially spiral shape " C " the shape curve of a positive and a negative with chip dividing groove, hold bits using this main cutting edge and with two big dextrorotation, the milling cutter of chip removal helicla flute is compared with multiple tooth linear sword bulb oil groove milling cutter, chip deformation is few, it is disconnected, chip removal and cooling are convenient, it is big with chip space and chip removal is smooth, progressive incision, cutting stabilization, crudy is high, the advantages of cutter life is long, with low cost of manufacture, sharpening is convenient, processing efficiency is higher, be conducive to popularization and application in production, it is that one kind has preferably brill, the excellent cutter of milling function.
Description
Technical field
The present invention relates to a kind of oil groove milling cutter, it is mainly used in having the processing of the lubrication groove in relative motion face.
Background technology
There are many lubrication groove processings in machining, lubrication groove is generally used for storing lubricant grease, such as schemes
Parting face shown in 1 is 120 ° of lubrication groove schematic diagrames, and its geometric properties is groove width and shallow.It is general to use special
With 120 ° of bulbs multiple tooth linear sword oil groove milling cutters process, because chip pocket is small, chip removal is smooth and cutting
It is unstable, as shown in Fig. 2 for ease of smoothly " piercing " body, conical centre cutting edge need to be arranged to class
The structure of the cutting edge mistake heart of cotter mill cutter cylinder end face is similar to, and because the cutting speed of cutter pivot is
Zero, therefore conical centre part wears are very fast, work efficiency is not high, and sharpens inconvenience, relatively costly.
The content of the invention
It is an object of the invention to provide one kind cutting stabilization, can repeatedly reface use, cheap, sharpening side
Just, the efficient fluted drill oil groove milling cutter with drilling and milling function.
The technical scheme is that：A kind of fluted drill oil groove milling cutter, is entered on the basis of common fluted drill
Row optimization, and only cutting tip participates in cutting, has given full play to cutting for fluted drill " piercing "
Cut performance；Fluted drill oil groove milling cutter with diameter greater than oil groove width B, its drift angle 2 φ is set greater than 118
°, the vertex of a cone is set to bulb circular arc R, and now two main cutting edges are to hold bits, chip removal spiral by two dextrorotation
Groove is more than the intersection curve of 59 ° of cutting element of cone, described two main cuttings with bus and the angle of axis
Sword is spatially spiral shape " C " shape curve of a positive and a negative；It is using this main cutting edge and big with two
Dextrorotation holds the milling cutter of bits, chip removal helicla flute compared with multiple tooth linear sword bulb oil groove milling cutter, and sky is considered to be worth doing with holding
Between big and chip removal it is smooth, the advantages of progressive incision, cutting are stably, crudy is high, cutter life is long；Fiber crops
Flower bores sharpening way of the oil groove milling cutter using fluted drill, and machinery, hand grinding are also most common easily
Basic skills, are so very easy to operation field and use.To improve the stability of cutting, the fried dough twist
Bore oil groove milling cutter working portion shorter；Fluted drill oil groove milling cutter afterbody as the case may be, selects appropriate side
Formula couples with lathe handle of a knife and just can be used.
Further technical scheme is the present invention：The φ of drift angle 2 of the fluted drill oil groove milling cutter is 120 °.
Further technical scheme is the present invention：Because fluted drill oil groove milling cutter core is thick smaller, by lateral cutting forces
Influence, when cutting force is larger, can cause flutter or even fractureing, be to improve machining condition, stabilization cutter
Chip wide, is divided into narrow chip by load, reduces chip deformation, reduces cutting force and flutter,
It is easy to chip removal and radiating again and cools down, improves stock-removing efficiency and tool life and surface quality, the fiber crops
Flower to be bored and be disposed with chip dividing groove on two main cutting edges of oil groove milling cutter.
Further technical scheme of the invention is：For ease of on every main cutting edge of arrangement chip dividing groove and reduction
Slot number, so ensure that concavo-convex cutting tooth has certain intensity, the continuity of lubrication groove parting face is can guarantee that again,
Chip wider is divided into narrower chip simultaneously, machining condition is further improved, the chip dividing groove
Position must mutually stagger.
Further technical scheme is the present invention：The chip dividing groove can be arranged on rake face or in rear knife face
On.
Further technical scheme of the invention is：Chip dividing groove is arranged on rake face because fluting is difficult, is just
In sharpening and refacing, the chip dividing groove is preferably provided on rear knife face.
Further technical scheme is the present invention again：To reduce the friction behind chip dividing groove side with workpiece, protect
Card chip dividing groove has certain intensity and sharp and service life, and the side edge relief angle α of the chip dividing groove is 3 °.
Further technical scheme is the present invention：Further to reduce cutting force and being easy to chip breaking and chip removal, point
The bottom land for considering groove to be worth doing is not involved in cutting, and the axially effectively cutting groove depth of the chip dividing groove is more than axial feeding S.
Further technical scheme is the present invention：Because right-hand screw angle beta is bigger, cutting edge is sharper, cutting
Laborsaving, helicla flute inclined degree is big, and chip is easily drained；Right-hand screw angle beta size has with milling cutter diameter size
Close, it is big to be relatively large in diameter value, otherwise gets the small value, and be the right-hand screw angle to process based on copper alloy
The span of β is between 15 °~25 °.
The beneficial effects of the invention are as follows：Manufacture and design conveniently, fluted drill ripe technique and secondary frock can be used,
Manufacturing cost is saved, the cutting ability of fluted drill is taken full advantage of, processing efficiency and quality and knife is improve
The tool life-span；Popularization and application in production can be conducive to using machinery and hand grinding.Using the technical program
Fluted drill oil groove milling cutter, the abundant cutting ability for having played drilling and milling.Meanwhile, when common fluted drill is multiple
When targeting part is shorter after abrasion sharpening, had no value for use for drilling, to make full use of fluted drill
Residual value carry out changing mill, further increase the utilization rate of fluted drill, reach the purpose of twice laid.
Brief description of the drawings
It is 120 ° of lubrication groove schematic diagrames that Fig. 1 is section (B is that oil groove width, R are oil groove transition arcs)
Fig. 2 is that (SR is the oil groove milling cutter vertex of a cone to 120 ° of oil groove milling cutter (knife edge part) schematic diagrames of prior art
Bulb circular arc)
Fig. 3 is that (S is that axial feeding, β are to fluted drill oil groove milling cutter (knife edge part) schematic diagram of the present invention
Helical angle)
Fig. 4 is left view (amplification) schematic diagram of Fig. 3 of the present invention
Fig. 5 is that (h is the axial direction of chip dividing groove to (amplification) schematic diagram for being opened on rear knife face of chip dividing groove of the present invention
Effectively cut groove depth)
Specific embodiment
The fluted drill oil groove milling cutter 1, optimizes on the basis of common fluted drill and forms, and
Only cutting tip 2 participates in cutting, the cutting tip 2 of the fluted drill oil groove milling cutter 1 be by the φ 3 of drift angle 2,
Main cutting edge 4, rake face 5, rear knife face 6, right-hand screw angle beta 7 etc. are constituted (referring to Fig. 3), and drift angle
2 φ 3 are 118 °, and now the main cutting edge 4 is straight line.As shown in Fig. 3 and 4 and 5, the present invention is
It is 120 ° that the φ 3 of 1 drift angle of fluted drill oil groove milling cutter 2 with diameter greater than oil groove width B is sharpened, vertex of a cone sharpening
It is bulb circular arc R；Described two main cutting edges 4 be by two dextrorotation hold bits, chip removal helicla flute and buses and
The angle of axis is the intersection curve of 60 ° of cutting element of cone, and described two main cutting edges 4 are one positive one
Anti- spatially spiral shape " C " shape curve；Considered to be worth doing using this main cutting edge 4 and with two big dextrorotation appearances,
The milling cutter of chip removal helicla flute compared with multiple tooth linear sword bulb oil groove milling cutter, with chip space is big and chip removal
It is smooth, progressive incision, cutting stabilization, the advantages of crudy is high, cutter life is long；Fluted drill oil groove milling
Knife uses the sharpening way of fluted drill, and machinery, hand grinding are also most common basic skills easily,
Operation field is so very easy to use.
Because fluted drill oil groove milling cutter core is thick smaller, influenceed by lateral cutting forces, when cutting force is larger, can
Cause flutter or even fracture, to improve machining condition, stabilization cutter load is divided into chip wide narrow
Chip, reduces chip deformation, reduces cutting force and flutter, chip removal and radiating is easy to again and is cooled down, and carries
High stock-removing efficiency and tool life and surface quality, two main cuttings of the fluted drill oil groove milling cutter 1
Chip dividing groove 8 is disposed with sword 4；For ease of the slot number on every main cutting edge of arrangement chip dividing groove and reduction, this
Sample ensures that concavo-convex cutting tooth has certain intensity, and the continuity of lubrication groove parting face is can guarantee that again, at the same compared with
Chip wide is divided into narrower chip, machining condition is further improved, on two main cutting edges 4
The position of arrangement chip dividing groove 8 must mutually stagger；The chip dividing groove 8 is arranged on rake face 5 or rear
On knife face 6, chip dividing groove is arranged on rake face 5 because fluting is difficult, for ease of sharpening and refacing, described point
Bits groove 8 is preferably provided on rear knife face 6；To reduce the friction behind the side of chip dividing groove 8 with workpiece, it is ensured that point
Bits groove 8 has certain intensity and sharpness and service life, and the side edge relief angle α 9 of the chip dividing groove 8 is 3
°；Further to reduce cutting force and being easy to chip breaking and chip removal, the bottom land of chip dividing groove 8 is not involved in cutting, institute
The axially effectively cutting groove depth h10 for stating chip dividing groove 8 is more than axial feeding S；Because right-hand screw angle beta 7 is got over
Greatly, cutting edge is sharper, cuts laborsaving, and helicla flute inclined degree is big, and chip is easily drained；Right-hand screw angle
The sizes of β 7 are relevant with milling cutter diameter size, are relatively large in diameter value greatly, otherwise get the small value, and are to process
Based on copper alloy, the span of the right-hand screw angle beta 7 is between 15 °~25 °.The present embodiment is illustrated
The chip dividing groove 8 that main cutting edge is arranged, one be 2 another be 1.
To improve the stability of cutting, the working portion of fluted drill oil groove milling cutter 1 is shorter；The fluted drill
The afterbody of oil groove milling cutter 1 and lathe handle of a knife connecting mode (not shown), straight, taper shank routinely are set.
Above-described embodiment is used for illustrative purposes only, and not limitation of the present invention, relevant technical field
Those of ordinary skill, without departing from the spirit and scope of the present invention, various changes can also be made
Change and modification, therefore all equivalent technical schemes should also belong to scope of the invention, patent of the invention is protected
Shield scope should be limited by each claim.
Claims (9)
1. a kind of fluted drill oil groove milling cutter, the cutting tip (2) of the fluted drill oil groove milling cutter (1), including top
The φ of angle 2 (3), main cutting edge (4), rake face (5), rear knife face (6), right-hand screw angle beta (7), it is described
The φ of drift angle 2 (3) is 118 °, and described two main cutting edges (4) are straight line；It is characterized in that described two
Main cutting edge (4) is spatially spiral shape " C " shape curve of a positive and a negative.
2. a kind of fluted drill oil groove milling cutter according to claim 1, it is characterised in that the φ of the drift angle 2 (3)
It is 120 °.
3. a kind of fluted drill oil groove milling cutter according to claim 1, it is characterised in that the fluted drill oil groove
Chip dividing groove (8) is disposed with two main cutting edges (4) of milling cutter.
4. a kind of fluted drill oil groove milling cutter according to claim 3, it is characterised in that the chip dividing groove (8)
Position mutually stagger.
5. a kind of fluted drill oil groove milling cutter according to claim 3, it is characterised in that the chip dividing groove (8)
It is arranged on rake face (5) or on rear knife face (6).
6. a kind of fluted drill oil groove milling cutter according to claim 5, it is characterised in that the chip dividing groove (8)
It is arranged on rear knife face (6).
7. a kind of fluted drill oil groove milling cutter according to claim 6, it is characterised in that the chip dividing groove (8)
Side edge relief angle α (9) be 3 °.
8. a kind of fluted drill oil groove milling cutter according to claim 3, it is characterised in that the chip dividing groove (8)
Axially effectively cutting groove depth h (10) more than axial feeding S.
9. a kind of fluted drill oil groove milling cutter according to claim 1, it is characterised in that the right-hand screw angle beta (7)
Span between 15 °~25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963604.0A CN106891051A (en) | 2015-12-19 | 2015-12-19 | A kind of fluted drill oil groove milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963604.0A CN106891051A (en) | 2015-12-19 | 2015-12-19 | A kind of fluted drill oil groove milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106891051A true CN106891051A (en) | 2017-06-27 |
Family
ID=59190211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510963604.0A Pending CN106891051A (en) | 2015-12-19 | 2015-12-19 | A kind of fluted drill oil groove milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106891051A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427710A (en) * | 2020-10-27 | 2021-03-02 | 上海航天精密机械研究所 | Anti-flutter cutter for machining thin-wall frame ring part, machining method and medium |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN113927069A (en) * | 2021-11-09 | 2022-01-14 | 浙江汇丰汽车零部件股份有限公司 | Drill bit structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989002328A1 (en) * | 1987-09-10 | 1989-03-23 | Mca Micro Crystal Ag | Cutting tool, in particular drill and/or milling cutter and its process for producing it |
| CN2060095U (en) * | 1989-12-13 | 1990-08-08 | 湖南大学 | Strong cutting double worm screw |
| CN2064276U (en) * | 1990-04-07 | 1990-10-24 | 湖南大学 | Twist drill with three cutting edges |
| CN1375373A (en) * | 2001-03-21 | 2002-10-23 | 周安善 | Efficient universal twist drill with two milling cutter edges and its sharpening method |
| CN201455362U (en) * | 2008-11-02 | 2010-05-12 | 周安善 | Multiple edge point sheet twist drill with vertical milling knife-like outer edge, outer edge sharp angle of 200 degrees and outer edge lateral R-shaped edge |
| CN202752674U (en) * | 2012-07-19 | 2013-02-27 | 中国石油集团渤海石油装备制造有限公司 | Groove milling cutter for inclined hole drilling |
| CN103128346A (en) * | 2013-03-19 | 2013-06-05 | 大连远东企业集团有限公司 | Twist drill with spiral cutting back tool |
| CN204657562U (en) * | 2015-06-08 | 2015-09-23 | 贵州航太精密制造有限公司 | A kind of point bits drill bit of difficult processing cutting metal material |
| CN205496656U (en) * | 2015-12-19 | 2016-08-24 | 中钢集团衡阳重机有限公司 | Fluted drill oil slot mill |
-
2015
- 2015-12-19 CN CN201510963604.0A patent/CN106891051A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989002328A1 (en) * | 1987-09-10 | 1989-03-23 | Mca Micro Crystal Ag | Cutting tool, in particular drill and/or milling cutter and its process for producing it |
| CN2060095U (en) * | 1989-12-13 | 1990-08-08 | 湖南大学 | Strong cutting double worm screw |
| CN2064276U (en) * | 1990-04-07 | 1990-10-24 | 湖南大学 | Twist drill with three cutting edges |
| CN1375373A (en) * | 2001-03-21 | 2002-10-23 | 周安善 | Efficient universal twist drill with two milling cutter edges and its sharpening method |
| CN201455362U (en) * | 2008-11-02 | 2010-05-12 | 周安善 | Multiple edge point sheet twist drill with vertical milling knife-like outer edge, outer edge sharp angle of 200 degrees and outer edge lateral R-shaped edge |
| CN202752674U (en) * | 2012-07-19 | 2013-02-27 | 中国石油集团渤海石油装备制造有限公司 | Groove milling cutter for inclined hole drilling |
| CN103128346A (en) * | 2013-03-19 | 2013-06-05 | 大连远东企业集团有限公司 | Twist drill with spiral cutting back tool |
| CN204657562U (en) * | 2015-06-08 | 2015-09-23 | 贵州航太精密制造有限公司 | A kind of point bits drill bit of difficult processing cutting metal material |
| CN205496656U (en) * | 2015-12-19 | 2016-08-24 | 中钢集团衡阳重机有限公司 | Fluted drill oil slot mill |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427710A (en) * | 2020-10-27 | 2021-03-02 | 上海航天精密机械研究所 | Anti-flutter cutter for machining thin-wall frame ring part, machining method and medium |
| CN112427710B (en) * | 2020-10-27 | 2022-08-12 | 上海航天精密机械研究所 | Anti-flutter cutter for machining thin-wall frame ring part, machining method and medium |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN113927069A (en) * | 2021-11-09 | 2022-01-14 | 浙江汇丰汽车零部件股份有限公司 | Drill bit structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |