CN101837486A - Head-adjustable hard alloy ball-end milling cutter with TiN composite coating - Google Patents
Head-adjustable hard alloy ball-end milling cutter with TiN composite coating Download PDFInfo
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- CN101837486A CN101837486A CN 201010187331 CN201010187331A CN101837486A CN 101837486 A CN101837486 A CN 101837486A CN 201010187331 CN201010187331 CN 201010187331 CN 201010187331 A CN201010187331 A CN 201010187331A CN 101837486 A CN101837486 A CN 101837486A
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- Prior art keywords
- hook
- cutter
- head
- cutter hub
- composite coating
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- 238000003801 milling Methods 0.000 title claims abstract description 59
- 239000000956 alloy Substances 0.000 title claims abstract description 22
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 22
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title claims abstract description 18
- 238000000576 coating method Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The invention discloses a head-adjustable hard alloy ball-end milling cutter with a TiN composite coating, which relates to a hard alloy milling cutter and aims to solve the problems of the non-detachability, easy abrasion and the like of a milling head and a cutter body of the conventional hard alloy ball-end milling cutter. The connecting end of a conical cutter handle is hooked together with the hooked end of a hooked tension rod to form an integrated cone; the conical cutter handle, together with the hooked tension rod, is inserted into a cavity of the cutter body from the front end of the cutter body; a tensioning bolt is screwed into the cavity of the cutter body from the rear end of the cutter body 4; the other end of the hooked tension rod is inserted into a screwed hole at the screwed end of the tensioning bolt to realize the screwed connection of the hooked tension rod and the tensioning bolt; the head part of the tensioning bolt is in threaded connection with the rear end of the cutter body; and the outer surface of a milling ball end is coated with the TiN composite coating. Therefore, the service life of the milling cutter is greatly prolonged and cutter cost can be greatly saved.
Description
Technical field
The present invention relates to a kind of carbide-tipped milling cutter.
Background technology
Carbide alloy bulb milling cutter is the cutter commonly used of milling turbine blade, and what use always the most in such milling cutter is the whole hard alloy rose cutter, and its processing and manufacturing is easy, the cutter good rigidly.But in use, this milling head very easily weares and teares, because milling head and cutter hub (knife bar) are overall structure (can not dismantle), after the milling head wearing and tearing, whole carbide alloy bulb milling cutter is just scrapped processing, because this cutter expense is very high, causes very big waste like this.
Summary of the invention
The present invention exists very easily wearing and tearing of milling head, milling head and cutter hub (knife bar) to dismantle in order to solve existing carbide alloy bulb milling cutter, after can't reconditioning after the milling head wearing and tearing, whole carbide alloy bulb milling cutter is just scrapped processing, cause the problem of very big waste like this, and then the carbide alloy bulb milling cutter that provides a kind of head-changeable to have the TiN composite coating.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: carbide alloy bulb milling cutter of the present invention comprises milling head and cutter hub, described carbide alloy bulb milling cutter also comprises hook-type pull bar and stretching screw, cutter hub is a rod member, cutter hub axially is provided with the bellmouth and the shoulder hole of convergent from front to back successively along it, the bellmouth of convergent and shoulder hole are coaxial and be communicated with to constitute the inner chamber of cutter hub, milling head is made of processing all-in-one-piece cutting bulb and taper handle of a knife two parts, the tapering of taper handle of a knife is identical with the tapering of the bellmouth of convergent, the link of taper handle of a knife is hook-type, one end of hook-type pull bar is a hook-type, the other end of hook-type pull bar is processed with screw thread, the mutual clasp joint of the hook end of the link of taper handle of a knife and hook-type pull bar forms complete cone together, the taper handle of a knife is inserted into the inner chamber of cutter hub together with the front end of hook-type pull bar from cutter hub, stretching screw screws in the inner chamber of cutter hub from the rear end of cutter hub, the other end of hook-type pull bar is inserted in the screwed hole on the screw terminal of stretching screw and realizes that the spiral of the two connects, the lateral wall of the head of stretching screw has external screw thread, have internal thread on the rear end inwall of cutter hub, the head of stretching screw is threaded with the rear end of cutter hub; Outer surface at the cutting bulb scribbles one deck TiN composite coating.
The invention has the beneficial effects as follows:
Milling head of the present invention adopts the version that removably connects, and after milling head is scrapped, disassembles, and only need replace with new milling head and get final product, and also says so, and after milling head was scrapped, cutter hub, hook-type pull bar and stretching screw also can continue to use.By the TiN composite coating is set, abrasion resistance strengthens, and greatly the service life of milling cutter, saves the cutter expense.Carbide-tipped milling cutter head of the present invention uses through reality, all is better than its cutting ability and cutter life existing carbide-tipped milling cutter head, and this milling cutter uses in batches, can save a large amount of cutter expenses every year.
Description of drawings
Fig. 1 is that overall structure master of the present invention looks cutaway view, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the vertical view of Fig. 1; Fig. 4 is the front view of milling head, and Fig. 5 is the left view of Fig. 4, and Fig. 6 is the vertical view of Fig. 4; Fig. 7 is the front view of hook-type pull bar, and Fig. 8 is the left view of Fig. 7, and Fig. 9 is the vertical view of Fig. 7; Figure 10 is the front view of stretching screw, and Figure 11 is the left view of Figure 10; Figure 12 is the front view of cutter hub, and Figure 13 is the left view of Figure 12, and Figure 14 is the vertical view of Figure 12.
The specific embodiment
The specific embodiment one: shown in Fig. 1～14, the carbide alloy bulb milling cutter that the described head-changeable of present embodiment has the TiN composite coating comprises milling head 1 and cutter hub 4, described carbide alloy bulb milling cutter also comprises hook-type pull bar 2 and stretching screw 3, cutter hub 4 is a rod member, cutter hub 4 axially is provided with the bellmouth 4-1 and the shoulder hole 4-2 of convergent from front to back successively along it, the bellmouth 4-1 of convergent and shoulder hole 4-2 are coaxial and be communicated with to constitute the inner chamber of cutter hub 4, milling head 1 is made of processing all-in-one-piece cutting bulb 1-1 and taper handle of a knife 1-2 two parts, the tapering of taper handle of a knife 1-2 is identical with the tapering of the bellmouth 4-1 of convergent, the link of taper handle of a knife 1-2 is hook-type, one end of hook-type pull bar 2 is a hook-type, the other end of hook-type pull bar 2 is processed with screw thread (the M8 screw thread links to each other with stretching screw), the mutual clasp joint of hook end of the link of taper handle of a knife 1-2 and hook-type pull bar 2 forms complete cone together, taper handle of a knife 1-2 is inserted into the inner chamber of cutter hub 4 together with the front end of hook-type pull bar 2 from cutter hub 4, stretching screw 3 screws in the inner chamber of cutter hub 4 from the rear end of cutter hub 4, the other end of hook-type pull bar 2 is inserted in the screwed hole 3-1 on the screw terminal of stretching screw 3 and realizes that the spiral of the two connects, the lateral wall of the head of stretching screw 3 has external screw thread 3-2, have internal thread 4-3 on the rear end inwall of cutter hub 4, the head of stretching screw 3 is threaded with the rear end of cutter hub 4; Outer surface at cutting bulb 1-1 scribbles one deck TiN composite coating.
The carbide-tipped milling cutter head is fastening with it by hook-type pull bar, stretching screw, clamping is on knife bar.After milling head 1 wearing and tearing of the present invention, can carry out reconditioning, the grinding of adopting the five-shaft numerical control grinding machine to come this cutter is carried out bulb profile and tool geometry angle to the milling head of wearing and tearing, and optimize its geometric parameter, again this cutter being carried out face coat handles, make it can replace new milling head to re-use, reduce tool expense.During reconditioning, being Φ 20 at diameter with knife bar 4(knife bar 4) cylindrical is positioned on the lathe, keeps lathe to beat in 0.01mm, to guarantee the reconditioning required precision, after milling head 1 is scrapped, detachably gets off the milling head that more renews.
After the reconditioning of carbide-tipped milling cutter head is finished, it is carried out face coat handle.Through contrast test, select the TiN composite coating of result of use the best at last for use, having improved greatly should cutter life.
The contour structures of the described stretching screw 3 of present embodiment is shown in Figure 10 and 11.Screwed hole 3-1(M8 screwed hole on the stretching screw 3) link to each other external screw thread 3-2(M14 * 1 screw thread with hook-type pull bar 2) be connected with cutter hub 4, the head end of stretching screw 3 is provided with the interior hexagonal hole 3-3 of 8mm to be used for spanner tension milling head.
Described cutter hub 4 contour structures of present embodiment are shown in Figure 12～14, tapering is that the taper hole of 1:8 is connected with milling head, have internal thread 4-3(M14 * 1 screwed hole on the rear end inwall of cutter hub 4) be connected with stretching screw, the cylindrical of the rear end of cutter hub 4 (Φ 200-0.015) is connected with lathe, and flat neck B is spanner loading and unloading planes.
The specific embodiment two: as shown in Figure 6, the tapering of the described taper handle of a knife of present embodiment 1-2 is 1:8.Selecting tapering for use is that the taper shank of 1:8 is connected with cutter hub 4, guarantees coaxial required precision.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: shown in Fig. 4～6, the anterior angle α of the cutting edge of the described cutting bulb of present embodiment 1-1 is that 0 °, relief angle β are 16 °.Geometric angle to the milling head cutting edge is so optimized, and can make it can better bring into play cutting ability.Other composition and annexation are identical with the specific embodiment one or two.
The spherical radius SR of the described cutting bulb of present embodiment 1-1 is 10 ㎜.
The specific embodiment four: the thickness of the described TiN composite coating of present embodiment is 0.005 ㎜～0.008 ㎜.Other composition and annexation are identical with the specific embodiment one, two or three.
The specific embodiment five: shown in Fig. 4～9, hook-type on the described taper handle of a knife of the present embodiment 1-2 hook-type link, the V-type angle γ 1 of the hook-type on the hook-type pull bar 2 are 130 °, and every the limit of V-type angle γ 1 and the angle between the horizontal line are 25 °, the hook-shape structure of described qualification can make the hook-type pull bar with the milling head tension on knife bar.Other composition and annexation are identical with the specific embodiment one, two, three or four.
Claims (5)
1. a head-changeable has the carbide alloy bulb milling cutter of TiN composite coating, described carbide alloy bulb milling cutter comprises milling head (1) and cutter hub (4), it is characterized in that: described carbide alloy bulb milling cutter also comprises hook-type pull bar (2) and stretching screw (3), cutter hub (4) is a rod member, cutter hub (4) axially is provided with the bellmouth (4-1) and the shoulder hole (4-2) of convergent from front to back successively along it, bellmouth of convergent (4-1) and shoulder hole (4-2) are coaxial and be communicated with to constitute the inner chamber of cutter hub (4), milling head (1) is made of processing all-in-one-piece cutting bulb (1-1) and taper handle of a knife (1-2) two parts, the tapering of taper handle of a knife (1-2) is identical with the tapering of the bellmouth (4-1) of convergent, the link of taper handle of a knife (1-2) is hook-type, one end of hook-type pull bar (2) is a hook-type, the other end of hook-type pull bar (2) is processed with screw thread, the mutual clasp joint of hook end of the link of taper handle of a knife (1-2) and hook-type pull bar (2) forms complete cone together, taper handle of a knife (1-2) is inserted into the inner chamber of cutter hub (4) together with the front end of hook-type pull bar (2) from cutter hub (4), stretching screw (3) screws in the inner chamber of cutter hub (4) from the rear end of cutter hub (4), the other end of hook-type pull bar (2) is inserted in the screwed hole (3-1) on the screw terminal of stretching screw (3) and realizes that the spiral of the two connects, the lateral wall of the head of stretching screw (3) has external screw thread (3-2), have internal thread (4-3) on the rear end inwall of cutter hub (4), the head of stretching screw (3) is threaded with the rear end of cutter hub (4); Outer surface at cutting bulb (1-1) scribbles one deck TiN composite coating.
2. a kind of head-changeable according to claim 1 has the carbide alloy bulb milling cutter of TiN composite coating, it is characterized in that: the tapering of described taper handle of a knife (1-2) is 1:8.
3. a kind of head-changeable according to claim 1 and 2 has the carbide alloy bulb milling cutter of TiN composite coating, it is characterized in that: the anterior angle (α) of the cutting edge of described cutting bulb (1-1) is that 0 °, relief angle (β) are 16 °.
4. a kind of head-changeable according to claim 3 has the carbide alloy bulb milling cutter of TiN composite coating, it is characterized in that: the thickness of described TiN composite coating is 0.005 ㎜～0.008 ㎜.
5. have the carbide alloy bulb milling cutter of TiN composite coating according to claim 1,2 or 4 described a kind of head-changeables, it is characterized in that: the hook-type on described taper handle of a knife (1-2) the hook-type link, the V-type angle (γ) of the hook-type on the hook-type pull bar (2) are 130 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187331 CN101837486A (en) | 2010-05-31 | 2010-05-31 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187331 CN101837486A (en) | 2010-05-31 | 2010-05-31 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101837486A true CN101837486A (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010187331 Pending CN101837486A (en) | 2010-05-31 | 2010-05-31 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
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| CN (1) | CN101837486A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
| CN105414576A (en) * | 2015-12-31 | 2016-03-23 | 无锡透平叶片有限公司 | Cutter for cutting machining of blade lug boss characteristics |
| CN105603362A (en) * | 2016-01-06 | 2016-05-25 | 庄增信 | Center device with hardness-strengthened conical cusp |
| CN105710402A (en) * | 2016-03-09 | 2016-06-29 | 郑州市钻石精密制造有限公司 | Non-circular conical-surface straight tightening-type connector |
| WO2023231230A1 (en) * | 2022-06-01 | 2023-12-07 | 北京沃尔德金刚石工具股份有限公司 | Quick replacement type tool holder structure having high positioning precision |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964555A (en) * | 1996-12-04 | 1999-10-12 | Seco Tools Ab | Milling tool and cutter head therefor |
| EP1346787A1 (en) * | 2002-03-21 | 2003-09-24 | Sandvik AB | Rotary tool and cutting part comprised in the tool |
| CN1520953A (en) * | 2003-02-06 | 2004-08-18 | ������ɽ���� | Cutter |
| CN1775433A (en) * | 2004-08-19 | 2006-05-24 | 山特维克知识产权股份有限公司 | Rotatable tool |
| US20060257215A1 (en) * | 2005-05-02 | 2006-11-16 | Sandvik Intellectual Property Ab | Tool and a detachable body for chip removing machining |
-
2010
- 2010-05-31 CN CN 201010187331 patent/CN101837486A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964555A (en) * | 1996-12-04 | 1999-10-12 | Seco Tools Ab | Milling tool and cutter head therefor |
| EP1346787A1 (en) * | 2002-03-21 | 2003-09-24 | Sandvik AB | Rotary tool and cutting part comprised in the tool |
| CN1520953A (en) * | 2003-02-06 | 2004-08-18 | ������ɽ���� | Cutter |
| CN1775433A (en) * | 2004-08-19 | 2006-05-24 | 山特维克知识产权股份有限公司 | Rotatable tool |
| US20060257215A1 (en) * | 2005-05-02 | 2006-11-16 | Sandvik Intellectual Property Ab | Tool and a detachable body for chip removing machining |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
| CN105414576A (en) * | 2015-12-31 | 2016-03-23 | 无锡透平叶片有限公司 | Cutter for cutting machining of blade lug boss characteristics |
| CN105603362A (en) * | 2016-01-06 | 2016-05-25 | 庄增信 | Center device with hardness-strengthened conical cusp |
| CN105710402A (en) * | 2016-03-09 | 2016-06-29 | 郑州市钻石精密制造有限公司 | Non-circular conical-surface straight tightening-type connector |
| WO2023231230A1 (en) * | 2022-06-01 | 2023-12-07 | 北京沃尔德金刚石工具股份有限公司 | Quick replacement type tool holder structure having high positioning precision |
| JP2024542276A (en) * | 2022-06-01 | 2024-11-13 | 北京沃爾徳金剛石工具股▲フン▼有限公司 | Quick change type tool shank structure with high positioning accuracy |
| JP7741985B2 (en) | 2022-06-01 | 2025-09-18 | 北京沃爾徳金剛石工具股▲フン▼有限公司 | Quick change type tool shank structure with high positioning accuracy |
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Open date: 20100922 |