CN205519839U - Half smart milling cutter of large -scale race - Google Patents
Half smart milling cutter of large -scale race Download PDFInfo
- Publication number
- CN205519839U CN205519839U CN201620291475.5U CN201620291475U CN205519839U CN 205519839 U CN205519839 U CN 205519839U CN 201620291475 U CN201620291475 U CN 201620291475U CN 205519839 U CN205519839 U CN 205519839U
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- China
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- iso40
- milling cutter
- molded line
- taper shank
- concave groove
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Abstract
The utility model provides a half smart milling cutter of large -scale race, it relates to a milling cutter. The thick milling cutter of large -scale race is at the in -service use in -process, even if the grinding is repaired to the cutting edge falls the 1mm cutter and scrap, life is short and consume the height. The utility model discloses a ISO40 teper -shank and molded lines cutter body, ISO40 teper -shank and molded lines cutter body rigid coupling system are as an organic whole, the molded lines cutter body has a plurality of back of tooth steps along the even processing of its axial direction, the external diameter of a plurality of back of tooth steps steadilys decrease to keeping away from the ISO40 teper -shank other end from being close to ISO40 teper -shank one end in proper order, processing has a chip pocket between per two adjacent back of tooth steps, the chip pocket sets up along the axial direction of molded lines cutter body, a plurality of back of tooth steps form a plurality of mill forming relieved tooth that set up along the axial direction of molded lines cutter body through a plurality of chip pocket uniformly split, the molded lines cutter body is close to the one end of ISO40 teper -shank and has still processed a plurality of keyways. The utility model is used for in turbine rotor's the course of working.
Description
Technical field
This utility model is specifically related to a kind of large-scale semi-precise milling cutter for concave groove, belongs to Machining Technology field.
Background technology
Wheel groove milling cutter is also Christmas tree milling cutter, is specific to the complicated molding cutter of turbo rotor groove fabrication design.Also being the important cutter of processing turbine rotor, large-scale wheel groove milling cutter molded line used by the processing of million grade extra-supercritical unit and nuclear power generating sets rotor groove is complicated, it is desirable to precision is high.Wheel slot milling is the relatively time-consuming production process of ratio in the turbine rotor course of processing all the time, and conventional wheel slotting cutter previously used uses common high-speed steel, common geometry, and production efficiency is low, and cutter life is short, and processing charges is high.The shank of existing wheel groove milling cutter is Blang Sharp handle of a knife, but owing to this wheel groove milling cutter overall dimensions designed is big, Blang Sharp handle of a knife can not bear the biggest cutting force, it would be highly desirable to develop cutter and the processing method that disclosure satisfy that precision.
Summary of the invention
The purpose of this utility model is to provide a kind of large-scale semi-precise milling cutter for concave groove, and to solve large-scale race roughing milling cutter in actual use, even if cutting edge repairing grinds away 1mm cutter and scraps, service life is short and expends high problem.
This utility model adopts the technical scheme that for solving above-mentioned technical problem:
A kind of large-scale semi-precise milling cutter for concave groove, it includes ISO40 taper shank and molded line cutter hub, ISO40 taper shank and molded line cutter hub are fixed connection and are made as one, described molded line cutter hub is uniformly machined with multiple back of tooth step along its axial direction, the external diameter of the plurality of back of tooth step successively decreases to the other end away from ISO40 taper shank successively from the one end near ISO40 taper shank, it is machined with a chip pocket between each two adjacent back of tooth step, chip pocket is arranged along the axial direction of molded line cutter hub, multiple back of tooth steps form, by multiple chip pocket even partitions, the mill teeth that multiple axial direction along molded line cutter hub is arranged, described molded line cutter hub is also machined with multiple keyway near one end of ISO40 taper shank.
This utility model has the advantages that
Scientific structure design of the present utility model is reasonable, by the design of ISO40 taper shank, effectively promotes large-scale semi-precise milling cutter for concave groove cutting force.Precision of the present utility model can reach 0.0127mm, and the profile tolerance of molded line cutter hub reaches 0.005mm.The intensity of cutting edge in each mill teeth has been ensure that by the setting of multiple back of tooth steps, can also ensure that cutting edge has enough effective widths simultaneously, avoid cutting edge to repair and grind away the phenomenon generation that 1mm just scraps, effectively extending cutting-tool's used life, use process of the present utility model is also beneficial to reduce use cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure profile of large-scale semi-precise milling cutter for concave groove of the present utility model；
Fig. 2 is the right TV structure schematic diagram of large-scale semi-precise milling cutter for concave groove of the present utility model；
Fig. 3 is to grind the enlarged drawing of knife face after teeth 1 in this utility model.
Detailed description of the invention
nullDetailed description of the invention one: combine Fig. 1、Fig. 2 and Fig. 3 illustrates present embodiment，Present embodiment includes ISO40 taper shank 12 and molded line cutter hub 13，ISO40 taper shank 12 and molded line cutter hub 13 are fixed connection and are made as one，Described molded line cutter hub 13 is uniformly machined with multiple back of tooth step 3 along its axial direction，The external diameter of the plurality of back of tooth step 3 successively decreases to the other end away from ISO40 taper shank 12 successively from the one end near ISO40 taper shank 12，It is machined with a chip pocket 2 between each two adjacent back of tooth step 3，Chip pocket 2 is arranged along the axial direction of molded line cutter hub 13，Multiple back of tooth steps 3 form, by multiple chip pocket 2 even partitions, the mill teeth 1 that multiple axial direction along molded line cutter hub 13 is arranged，Described molded line cutter hub 13 is also machined with multiple keyway 8 near one end of ISO40 taper shank 12.
The cutting edge that intersection is this mill teeth 15 between rake face and the rear knife face of each mill teeth 1 in present embodiment.
In present embodiment, the middle part of positive rod body is machined with multiple keyway 8, is used for positioning, draws according to sampling test, and the number of keyway 8 is set to two.
Detailed description of the invention two: combine Fig. 1 and present embodiment is described, is machined with M16 screwed hole 7 on ISO40 taper shank in present embodiment.M16 screwed hole 7 is connecting hole, for fixing the large-scale semi-precise milling cutter for concave groove in this utility model and arranging.Other NM structures and annexation are identical with detailed description of the invention one.
Detailed description of the invention three: combine Fig. 1 and present embodiment is described, the internal diameter of M16 screwed hole described in present embodiment 7 is 16.3mm.This size is to arrange to effectively coordinate with outside lathe.Other NM structures and annexation are identical with detailed description of the invention two.
Detailed description of the invention four: combine Fig. 2 and present embodiment is described, in present embodiment, the number of chip pocket 2 is four, and the span of the angle between the adjacent chip pocket of each two 2 is 70 °.Other NM structures and annexation are identical with detailed description of the invention one or three.
Detailed description of the invention five: combine Fig. 1, Fig. 2 and Fig. 3 and present embodiment is described, in present embodiment, the number of keyway 8 is two, and the width of each keyway 8 is 16.13mm.This width is the optimum size obtained by sampling test, it is possible to ensure more efficiently to coordinate with key.Keyway 8 advantage is the key of chuck can be driven to closely cooperate with machine tool chief axis, and when machine tool chief axis drives chuck to rotate, this utility model can drive chuck rotate and do not loosen with machine tool chief axis.Other NM structures and annexation are identical with detailed description of the invention four.
Detailed description of the invention six: present embodiment is the further restriction of detailed description of the invention five, a length of 69.85mm of ISO40 taper shank described in present embodiment 12, a length of 120.45mm of described molded line cutter hub 13.
Detailed description of the invention seven: combine Fig. 1 and present embodiment is described, ISO40 taper shank described in present embodiment 12 is machined with a circle groove 14 near radially direction, one end of molded line cutter hub 13.Being disposed to of groove 14 assists this utility model and machine tool chief axis drive chuck preferably to fit.As being not provided with groove 14, when sharpening handle and end face, intersection there will be emery wheel R, it may appear that this utility model and machine tool chief axis drive the situation that chuck end face can not fit tightly.Other NM structures and annexation are identical with detailed description of the invention one or six.
Detailed description of the invention eight: combine Fig. 1 and Fig. 3 and present embodiment is described, in present embodiment, after each mill teeth 1, multiple circular arc continuous arrangement that is shaped as of knife face is formed, in adjacent two circular arcs, the distance between two crests is W, W is 1.5mm, vertical distance between each circular arc medium wave peak and trough be L, L be 0.25mm.Other NM structures and annexation are identical with detailed description of the invention seven.
Claims (8)
- null1. a large-scale semi-precise milling cutter for concave groove，It is characterized in that: it includes ISO40 taper shank (12) and molded line cutter hub (13)，ISO40 taper shank (12) and the fixing connection of molded line cutter hub (13) are made as one，Described molded line cutter hub (13) is uniformly machined with multiple back of tooth step (3) along its axial direction，The external diameter of the plurality of back of tooth step (3) successively decreases to the other end away from ISO40 taper shank (12) successively near one end of ISO40 taper shank (12)，A chip pocket (2) it is machined with between each two adjacent back of tooth step (3)，Chip pocket (2) is arranged along the axial direction of molded line cutter hub (13)，Multiple back of tooth steps (3) form, by multiple chip pockets (2) even partition, the mill teeth (1) that multiple axial direction along molded line cutter hub (13) is arranged，Described molded line cutter hub (13) is also machined with multiple keyway (8) near one end of ISO40 taper shank (12).
- The large-scale semi-precise milling cutter for concave groove of one the most according to claim 1, it is characterised in that: it is machined with M16 screwed hole (7) on ISO40 taper shank (12).
- The large-scale semi-precise milling cutter for concave groove of one the most according to claim 2, it is characterised in that: the internal diameter of described M16 screwed hole (7) is 16.3mm.
- 4. according to the large-scale semi-precise milling cutter for concave groove of the one described in claim 1 or 3, it is characterised in that: the number of chip pocket (2) is four, and the span of the angle between the adjacent chip pocket of each two (2) is 70 °.
- The large-scale semi-precise milling cutter for concave groove of one the most according to claim 4, it is characterised in that: the number of keyway (8) is two, and the width of each keyway (8) is 16.13mm.
- The large-scale semi-precise milling cutter for concave groove of one the most according to claim 5, it is characterised in that: a length of 69.85mm of described ISO40 taper shank (12), a length of 120.45mm of described molded line cutter hub (13).
- 7. according to the large-scale semi-precise milling cutter for concave groove of the one described in claim 1 or 6, it is characterised in that: described ISO40 taper shank (12) is machined with a circle groove (14) near the radially direction, one end of molded line cutter hub (13).
- The large-scale semi-precise milling cutter for concave groove of one the most according to claim 7, it is characterized in that: multiple circular arc continuous arrangement that is shaped as of each mill teeth (1) knife face afterwards is formed, in adjacent two circular arcs, the distance between two crests is W, W is 1.5mm, vertical distance between each circular arc medium wave peak and trough be L, L be 0.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291475.5U CN205519839U (en) | 2016-04-08 | 2016-04-08 | Half smart milling cutter of large -scale race |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291475.5U CN205519839U (en) | 2016-04-08 | 2016-04-08 | Half smart milling cutter of large -scale race |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205519839U true CN205519839U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620291475.5U Active CN205519839U (en) | 2016-04-08 | 2016-04-08 | Half smart milling cutter of large -scale race |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862626A (en) * | 2017-04-20 | 2017-06-20 | 海瑞恩精密技术（太仓）有限公司 | A kind of cutter for the shaping of fuel injector female connector |
| CN110653406A (en) * | 2019-10-22 | 2020-01-07 | 成都岷江精密刀具有限公司 | Sleeve type integral blade root milling cutter body blank and manufacturing method thereof |
-
2016
- 2016-04-08 CN CN201620291475.5U patent/CN205519839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862626A (en) * | 2017-04-20 | 2017-06-20 | 海瑞恩精密技术（太仓）有限公司 | A kind of cutter for the shaping of fuel injector female connector |
| CN110653406A (en) * | 2019-10-22 | 2020-01-07 | 成都岷江精密刀具有限公司 | Sleeve type integral blade root milling cutter body blank and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |