CN203390277U - Welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces - Google Patents
Welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces Download PDFInfo
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- CN203390277U CN203390277U CN201320476362.9U CN201320476362U CN203390277U CN 203390277 U CN203390277 U CN 203390277U CN 201320476362 U CN201320476362 U CN 201320476362U CN 203390277 U CN203390277 U CN 203390277U
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- end mill
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- slotting cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 32
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- 238000005520 cutting process Methods 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 5
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- 238000003754 machining Methods 0.000 abstract description 3
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- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010892 electric spark Methods 0.000 description 2
- 238000003622 knife milling Methods 0.000 description 2
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- 229910000851 Alloy steel Inorganic materials 0.000 description 1
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- 229910003460 diamond Inorganic materials 0.000 description 1
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- 229910001651 emery Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces. The end mill is a dense tooth type end mill with the number of milling teeth is 8-10, an included angle between every two adjacent blades is 36-45 degrees, and spiral angles of blades adjacent to side blades are not equal and are respectively 35 degrees and 30 degrees. The end mill disclosed by the utility model is particularly suitable for carrying out finish-milling on horizontal bearing surfaces and side bearing surfaces for arranging precision linear guide rails in four main components, including a tool body, a stand column, a drag plate and a worktable, of a machine tool, and also suitable for carrying out finish-milling on planes and step surfaces; therefore, the end mill is a numerically controlled hard alloy end mill for finish machining and semi finish machining. According to the end mill, a new material is selected as a material of a hard alloy blade, and geometrical parameters of the end mill are greatly changed, so that a flat-side guide rail surface machined by using the end mill is high in precision, does not need to be scraped or finish-ground, and completely meet the drawing accuracy; and the end mill is long in service life and high in performance price ratio, the cost of the end mill is only a quarter of the price of an import mill, and the cutting performance of the end mill is not lower than that of similar imported mills of Japan OSG, Sumitomo, and the like.
Description
Technical field
The utility model has related to a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, for CNC NC cutting tool belongs to machining metal cutting field.
Background technology
CNC machining center electric spark slow feeding linear cutting, on the large part such as the lathe bed of the precision machine tools such as electric spark shaping mill (base), column, planker, workbench, the line slideway that precision is very high is all housed, location fixedly line slideway be two orthogonal, two groups of polished surfaces, be commonly called as side rails face and level gauge face, common guide rail face length 1.2-2 rice, the linearity of two guide rails requires 0.005mm, degree of being parallel to each other is 0.005-0.008mm, coarse requirement is at Ra0.8-1.6mm, difficulty of processing is very large, as shown in Figure 5.For guaranteeing high accuracy like this, on the machine tool that much companies' choice accuracy is high, process guide pass, as large fear, Mazak, Wo Keman etc., process tool selects import carbide end mill or import machine clip variable-position slotting cutter to cut, cutter price is both expensive, but it is large to process quality of guide rail fluctuation, often will manually shovel and scrape to revise, or upper planograinder is reprocessed.Ye You enterprise attempts selecting domestic carbide helical end mill processing guide pass, precision does not reach at all, two lathe beds of processing are all difficult reluctantly for a milling cutter, also to carry out program interpolation processing, therefore some big-and-middle-sized machine tool plant, directly refines guide pass at CNC double column guideway grinding machine, and processing cost is just higher, efficiency is also low, and the high-precision guide pass of finish-milling has become many enterprises bottleneck.
utility model content
technical problem to be solved in the utility model is to provide a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, and processing guide pass precision is high, need not shovel to scrape and reprocess after processing, and knife milling tool durability is high, and cost is low.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the number of teeth of this slotting cutter is the close flute profile of 8-10 tooth, and adjacent edge angle is 36 °-45 °.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the helical angle of the side tool sword adjacent edge of this slotting cutter is unequal, is respectively 35 ° and 30 °.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the point of a knife of this slotting cutter is circular-arc, the radius of this circular arc is 0.1mm-0.15mm.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the side edge length of this slotting cutter is not more than 1/2nd of end mill diameters.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the first end face auxiliary angle of this slotting cutter is 40 '-1 °.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that this slotting cutter also has the second end face auxiliary angle, and auxiliary angle is 3 °.
Aforesaid a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the carbide alloy material of this slotting cutter is YL10.2, tool section is helical form, and cutter head thickness is greater than 4.5mm, and width is not less than 8mm.
The beneficial effects of the utility model are:
1, cutter adopts close tooth type structures, makes cutting more stable;
2, not etc., beating while reducing Tool in Cutting, does not make Tool in Cutting more stable to the helical angle of adjacent edge, wear-resisting;
3, point of a knife place adopts circular arc type structure, has reduced the roughness of cutting workpiece;
4, the length of side tool sword is shorter, beating while reducing Tool in Cutting;
5, cutter head adopts the manufacture of YL10.2 material, and cross dimensions is large, and thickness is greater than 4.5mm, and width is not less than 8mm, makes the rigidity of cutter and wearability better,
6, the first auxiliary angle of cutter head is 40 '-1 °, make the workpiece of cutting Paint Gloss, and to have the second auxiliary angle is 3 °, can reduce corresponding cutting force.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of finish-milling high accuracy of the utility model guide pass Welded hard metals screw slotting cutter;
Fig. 2 is the top view of a kind of finish-milling high accuracy of the utility model guide pass Welded hard metals screw slotting cutter;
Fig. 3 is E-E sectional view in Fig. 2;
Fig. 4 is the end face blade figure of a kind of finish-milling high accuracy of the utility model guide pass Welded hard metals screw slotting cutter;
Fig. 5 is flat guide to be processed and side rails workpiece generalized section.
The specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As Figure 1-Figure 4, a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, finish-milling guide pass carbide helical end mill of the present utility model, by cutter hub and some hard-alloy screw blades that are welded on cutter hub, formed, cutter hub material 9crsi steel alloy, blade material is YL10.2.Simple production operation is: fracture, and car, milling, quenching HRC56-60, welding grinding center hole, outer mill, CNC five-axle linkage tool grinder, opens side edge mouth and end face cutting edge and fine grinding tool arc.
For guaranteeing side tool sword and end face blade, handle of a knife benchmark is beated and is less than 0.008mm, require the chuck precision of CNC grinding machine clamping handle of a knife very high, car is from chuck end face 4D length place, cutter cylindrical is beated and is less than 0.004mm clamping benchmark, to this class high precision elastic chuck, can select Japanese BIG, NIKKEN or German tunable center chuck.The number of teeth of this slotting cutter is the close flute profile of 8-10 tooth, adjacent edge angle is 36 °-45 °, with respect to the existing number of teeth, is 6 teeth, and adjacent edge angle is the cutter of 60 °, and slotting cutter of the present utility model is more stable when cutting, and wearability is good.
The helical angle of the side tool sword adjacent edge of slotting cutter is unequal, is respectively 35 ° and 30 °, and beating while reducing Tool in Cutting, makes Tool in Cutting more stable.
The point of a knife of slotting cutter is circular-arc, and the radius R of this circular arc is 0.1mm-0.15mm, reduces the roughness of processing work.
The side edge length of slotting cutter is not more than 1/2nd of end mill diameters, beating while reducing Tool in Cutting.
The first end face auxiliary angle a of slotting cutter is 40 '-1 °, makes the workpiece of cutting Paint Gloss, and the second end face auxiliary angle b of slotting cutter is 3 °, can reduce corresponding cutting force.
The carbide alloy material of slotting cutter is YL10.2, and cutter head thickness is greater than 4.5mm, and width is not less than 8mm, has guaranteed rigidity and the wearability of cutter.
During tool sharpening, note following some, side tool sword stays wide 0.05-0.07mm arc surface, is commonly called as naked sword, cylindrical section back taper amount is 0.03/100, adjacent two cutter tooth helical angles are not identical, tool arc will be with 380# diamond emery wheel fine grinding.
Blade overall dimensions, can determine design according to the specification of guide pass.Conventionally selecting milling cutter diameter is 50mm, handle of a knife diameter of phi 42mm, and the long 25mm of blade, overall length 116mm, number of teeth is 8-10 tooth.
Processing FC250 casting pig cutting parameter, during fine finishining: V=78-80m/mim, F=200mm/min, t=0.05-0.1mm.
Provide the cutting test report of Suzhou Sha Dike tri-light (now claiming three light science and technology) that use for many years this cutter below: the performance to this cutter is further described.
Above two forms of contrast, we may safely draw a conclusion: new carbide helical end mill was compared with former same specification carbide-tipped milling cutter, and not only tool life improves nearly 2 times, and production efficiency improves respectively 11% and 38%.
In sum, a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter that the utility model provides, processing guide pass precision is high, need not shovel to scrape and reprocess after processing, and knife milling tool durability is high, and cost is low.
More than show and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (7)
1. a finish-milling high accuracy guide pass Welded hard metals screw slotting cutter, is characterized in that: the number of teeth of this slotting cutter is the close flute profile of 8-10 tooth, and adjacent edge angle is 36 °-45 °.
2. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 1, is characterized in that: the helical angle of the side tool sword adjacent edge of this slotting cutter is unequal, is respectively 35 ° and 30 °.
3. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 1 and 2, is characterized in that: the point of a knife of this slotting cutter is circular-arc, and the radius R of this circular arc is 0.1mm-0.15mm.
4. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 3, is characterized in that: the side edge length of this slotting cutter is not more than 1/2nd of end mill diameters.
5. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 4, is characterized in that: the first end face auxiliary angle of this slotting cutter is 40 '-1 °.
6. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 5, is characterized in that: this slotting cutter also has the second end face auxiliary angle, and auxiliary angle is 3 °.
7. a kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter according to claim 6, is characterized in that: the carbide alloy material of this slotting cutter is YL10.2, and tool section is helical form, and cutter head thickness is greater than 4.5mm, and width is not less than 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476362.9U CN203390277U (en) | 2013-08-06 | 2013-08-06 | Welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476362.9U CN203390277U (en) | 2013-08-06 | 2013-08-06 | Welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces |
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| CN203390277U true CN203390277U (en) | 2014-01-15 |
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| CN201320476362.9U Expired - Fee Related CN203390277U (en) | 2013-08-06 | 2013-08-06 | Welded type hard alloy spiral end mill for finish milling of high-precision guide rail surfaces |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104001978A (en) * | 2014-06-13 | 2014-08-27 | 苏州博睿测控设备有限公司 | Hard alloy milling tool |
| CN104368858A (en) * | 2014-09-25 | 2015-02-25 | 崔仁成 | Ball-end milling cutter with carbide blades, and its milling method |
| CN104708098A (en) * | 2015-02-16 | 2015-06-17 | 天津大学 | Special cutter for machining small-diameter pore helical milling of composite material |
-
2013
- 2013-08-06 CN CN201320476362.9U patent/CN203390277U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103357940B (en) * | 2013-08-06 | 2016-06-08 | 江苏苏铃精工机械有限公司 | A kind of finish-milling high accuracy guide pass Welded hard metals screw slotting cutter |
| CN104001978A (en) * | 2014-06-13 | 2014-08-27 | 苏州博睿测控设备有限公司 | Hard alloy milling tool |
| CN104368858A (en) * | 2014-09-25 | 2015-02-25 | 崔仁成 | Ball-end milling cutter with carbide blades, and its milling method |
| CN104708098A (en) * | 2015-02-16 | 2015-06-17 | 天津大学 | Special cutter for machining small-diameter pore helical milling of composite material |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20160806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |