CN101890529B - Step mill cutter - Google Patents
Step mill cutter Download PDFInfo
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- CN101890529B CN101890529B CN 201010239418 CN201010239418A CN101890529B CN 101890529 B CN101890529 B CN 101890529B CN 201010239418 CN201010239418 CN 201010239418 CN 201010239418 A CN201010239418 A CN 201010239418A CN 101890529 B CN101890529 B CN 101890529B
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- ladder
- blade
- milling cutter
- cutting edge
- cutter
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Abstract
The invention discloses a step mill cutter, which comprises a cutter handle and a cutter body, wherein the cutter body is provided with a step blade and a chamfering blade; the cutter body has a spiral groove and a chute which are crossed; and the step blade is a spiral blade arranged on the groove wall of the spiral groove, and the chamfering blade is a linear blade arranged on the groove wall of the chute. In the step mill cutter, the spiral groove and the chute are formed on the cutter body to form a spiral cutting edge and a linear cutting edge, respectively, wherein the spiral cutting edge serves as the step blade of the step mill cutter and the linear cutting edge serves as the chamfering blade of the step mill cutter. Compared with the linear blade, the spiral blade has the advantages of ensuring cutting stability, enlarging the actual working rake of the cutting edge and consequently improve the processing precision and surface quality of the workpiece effectively due to the gradually-changing of the feeding and withdrawing of the cutting edge.
Description
Technical field
The present invention relates to a kind of milling cutter, especially relate to a species stage milling cutter.
Background technology
The form optical panel of digital product part extensively adopts PMMA (methyl methacrylate), PC (Merlon) material at present, and this material stock is a larger size panel, reaches the various sizes that meet the digital product designing requirement through Milling Process.This series products processes undercut ss for satisfying matching requirements when all needs are processed the edge simultaneously, and is as shown in Figure 1.Usual process tool and the processing mode that uses; As shown in Figures 2 and 3, remove half the material on the top of cutter hub 100, processing generates the plane cutting edge on remaining second half material; The chamfering blades of ladder sword that promptly cuts straightway and cutting chamfering section is in a plane; So two sections cutting edge cutting edges cut simultaneously in the actual cut process, the cutting force radial component is maximum, influences stable cutting property, precision and surface quality.
Summary of the invention
It is steady that technical problem to be solved by this invention provides a kind of working angles that makes, improves the ladder milling cutter of crudy.
The objective of the invention is to realize through following technical scheme:
One species stage milling cutter comprises handle of a knife and cutter hub, and this cutter hub is provided with ladder sword and chamfering blades, offers spiral grooves and skewed slot on the said cutter hub, and this spiral grooves intersects with this skewed slot; Said ladder sword is the helical edges on this spiral grooves cell wall, and said chamfering blades is the straight line sword on this skewed slot cell wall.
Above-mentioned ladder milling cutter forms helical cutting edge respectively as the ladder sword of this ladder milling cutter, the straight line edge chamfering blades as this ladder milling cutter owing on cutter hub, offered spiral grooves and skewed slot; The straight sword of helical edges, the incision of cutting edge is gradual change with cutting out, and has guaranteed the stationarity of cutting, has increased cutting edge real work anterior angle, and then has effectively improved workpiece machining accuracy and surface quality; Spiral grooves and this skewed slot are the smoothnesses that intersects chip removal in the time of guaranteeing cutting, and in sum, this ladder milling cutter has not only possessed the advantage of skew cutting cutter but also solved the shape problem of chamfering place cutting edge.
Description of drawings
Fig. 1 is a workpiece processing sketch map;
Fig. 2 is the stereogram of traditional ladder milling cutter;
Fig. 3 is the cutting sketch map of traditional ladder milling cutter;
Fig. 4 is the stereogram of ladder milling cutter of the present invention;
Fig. 5 is the front view of ladder milling cutter of the present invention;
Fig. 6 is the left view of ladder milling cutter of the present invention;
Fig. 7 is the vertical view of ladder milling cutter of the present invention.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing and specific embodiment.
The present invention includes handle of a knife and cutter hub 200; As shown in Figure 4, this cutter hub 200 is provided with ladder sword 211 and chamfering blades 221, offers spiral grooves 210 and skewed slot 220 on the said cutter hub 200; Spiral grooves 210 intersects with skewed slot 220, and said ladder sword 211 is the helical edges on these spiral grooves 210 cell walls; Said chamfering blades 221 is the straight line swords on these skewed slot 220 cell walls.
This embodiment is intended to use the ladder sword 211 of formation helical cutting edge on cutter hub 200 and the chamfering blades 221 of straight line edge through on cutter hub 200, offering spiral grooves 210 and skewed slot 220.Helical edges 211 straight swords; Had cutting edge inclination, cutting edge inclination makes cutting edge cutting force resolve into the synthetic of radial load and axial force by radial load completely, and the incision of cutting edge is gradual change with cutting out; Overcome the ropy deficiency of vibration, precision and surface to be machined that plane sword tooth shape milling cutter causes greatly because of radial cutting force in working angles; Guaranteed the stationarity of cutting, also increased cutting edge real work anterior angle, and then effectively improved workpiece machining accuracy and surface quality.Spiral grooves 210 intersects with skewed slot 220, and promptly ladder sword 211 is positioned at the same side with chamfering blades 221, and the same side design is that chip removal is smooth in order to guarantee to cut.At the above, institute's invention cutter has not only possessed the advantage of skew cutting cutter but also has solved the shape problem of chamfering place cutting edge, thereby makes working angles steady, and product to be processed element precision and surface quality are able to guarantee.
During making; Stairs of knives sword 211 cutting edges are formed by the wall scroll spiral grooves 210 that wheel grinding processes; This process has guaranteed that stairs of knives sword 211 cutting edges are helical edges, promptly like the helical angle ω that has formed ladder sword 211 among Fig. 7, the anterior angle γ (see figure 6) of ladder sword 211.But because the external diameter section of having of ladder sword 211 cutting edges and chamfering blades 221 cutting edges is poor, so only a helicla flute 210 can cause chamfering blades 221 cutting edge places not straight because of external diameter changes, thereby influence processing is by the product size precision.For solving this contradiction, 221 places grind skewed slot 220 in chamfering blades, promptly in Fig. 7, have guaranteed chamfering blades 221 oblique angle θ and the long L1 of ladder sword 211 swords, and this process has guaranteed that cutter chamfering blades 221 is the straight line sword.After the oblique angle θ of the anterior angle γ of the helical angle ω of ladder sword 211, ladder sword 211, chamfering blades 221 and the long L1 of ladder sword 211 swords accomplish; Primary clearance α 1, front clearance α 2 through grinding ladder sword 211; Accomplish the control of ladder sword 211 external diameters
and the long L1 of ladder sword 211 swords, realized the making of ladder sword 211 cutting edges in the product processing; Through grinding chamfering blades 221 relief angle α 3, realized the making of chamfering blades 221 cutting edges in the product processing.
As preferably, below provide each parameter area of ladder sword 211 (helical edges) and chamfering blades 221 (straight line sword):
The helical angle ω scope of ladder sword 211 is: 3 °～15 °.
The anterior angle γ scope of ladder sword 211 is: 5 °～20 °.
Primary clearance α 1 scope of ladder sword 211 is: 8 °～15 °.
Attached angle α 2 scopes of ladder sword 211 are: 16 °～30 °.
The oblique angle θ scope of chamfering blades 221 is: 30 °～60 °.
Relief angle α 3 scopes of chamfering blades 221 are: 8 °～15 °.
Below only expressed several kinds of embodiments of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (8)
1. a species stage milling cutter comprises handle of a knife and cutter hub, and this cutter hub is provided with ladder sword and chamfering blades, it is characterized in that, offers spiral grooves and skewed slot on the said cutter hub, and this spiral grooves intersects with this skewed slot; Said ladder sword is the helical edges on this spiral grooves cell wall, and said chamfering blades is the straight line sword on this skewed slot cell wall.
2. ladder milling cutter according to claim 1 is characterized in that, the scope of said helical edges helical angle is 3 °～15 °.
3. ladder milling cutter according to claim 1 is characterized in that, the scope of said helical edges anterior angle is 5 °～20 °.
4. ladder milling cutter according to claim 1 is characterized in that, the scope of said helical edges primary clearance is 8 °～15 °.
5. ladder milling cutter according to claim 1 is characterized in that, the front clearance scope of said helical edges is 16 °～30 °.
6. ladder milling cutter according to claim 1 is characterized in that, the scope at said chamfering blades oblique angle is 30 °～60 °.
7. ladder milling cutter according to claim 1 is characterized in that, the scope of said chamfering blades relief angle is 8 °～15 °.
8. ladder milling cutter according to claim 1 is characterized in that, said cutter hub is the cutter hub of carbide alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239418 CN101890529B (en) | 2010-07-28 | 2010-07-28 | Step mill cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239418 CN101890529B (en) | 2010-07-28 | 2010-07-28 | Step mill cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101890529A CN101890529A (en) | 2010-11-24 |
| CN101890529B true CN101890529B (en) | 2012-09-05 |
Family
ID=43099958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010239418 Active CN101890529B (en) | 2010-07-28 | 2010-07-28 | Step mill cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101890529B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489765A (en) * | 2011-12-07 | 2012-06-13 | 苏州阿诺精密切削技术股份有限公司 | Non-slot-shared step cutter |
| CN104162705B (en) * | 2013-05-20 | 2017-02-08 | 基准精密工业（惠州）有限公司 | Milling cutter |
| CN106975775B (en) * | 2016-01-15 | 2020-07-28 | 李仕清 | Rolling cutter special for same-side shifting surface |
| CN111570923B (en) * | 2020-05-27 | 2021-05-25 | 上海钰工机电有限公司 | Chamfering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268595Y (en) * | 1996-06-21 | 1997-11-26 | 陈乐山 | Drill shape for chamfer |
| CN2538568Y (en) * | 2002-04-23 | 2003-03-05 | 仁武正顺车刀有限公司 | Carving knife |
| CN1488466A (en) * | 2003-08-20 | 2004-04-14 | 深圳金洲硬质合金有限公司 | Integrated milling-rutter |
| CN201768948U (en) * | 2010-07-28 | 2011-03-23 | 深圳市金洲精工科技股份有限公司 | Stepped milling cutter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10249805A (en) * | 1997-03-17 | 1998-09-22 | Sekisui Chem Co Ltd | Router cutting edge |
| JP2006315115A (en) * | 2005-05-11 | 2006-11-24 | Toyota Motor Corp | Cutting tool, vehicular instrument panel, device for forming air bag tear line, and method of forming the same |
-
2010
- 2010-07-28 CN CN 201010239418 patent/CN101890529B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268595Y (en) * | 1996-06-21 | 1997-11-26 | 陈乐山 | Drill shape for chamfer |
| CN2538568Y (en) * | 2002-04-23 | 2003-03-05 | 仁武正顺车刀有限公司 | Carving knife |
| CN1488466A (en) * | 2003-08-20 | 2004-04-14 | 深圳金洲硬质合金有限公司 | Integrated milling-rutter |
| CN201768948U (en) * | 2010-07-28 | 2011-03-23 | 深圳市金洲精工科技股份有限公司 | Stepped milling cutter |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2006-315115A 2006.11.24 |
| JP特开平10-249805A 1998.09.22 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101890529A (en) | 2010-11-24 |
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