CN101774045A - Turbine disk fir-shaped mortise broaching tool - Google Patents
Turbine disk fir-shaped mortise broaching tool Download PDFInfo
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- CN101774045A CN101774045A CN200910187672A CN200910187672A CN101774045A CN 101774045 A CN101774045 A CN 101774045A CN 200910187672 A CN200910187672 A CN 200910187672A CN 200910187672 A CN200910187672 A CN 200910187672A CN 101774045 A CN101774045 A CN 101774045A
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- broaching tool
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- turbine disk
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Abstract
The invention relates to a turbine disk fir-shaped mortise broaching tool, which is characterized in that a milled chamfer angle of 0.2x45 DEG is arranged on a sharp corner at two sides of the bladewidth of the turbine disk fir-shaped mortise broaching tool, parts 1 to 6 are slotted roughly, a seventh part is roughly broached with a mortise thread shape, an eighth part is precisely broached with a mortise thread-form sectional surface, and the top surface of a ninth part is precisely broached; the parts 1 to 6 adopt six slotting cutters, the seventh part adopts one rough-broaching thread-form cutter, the eighth part adopts one precise-broaching thread-form cutter, and the ninth part adopts one top-surface broach which is also named cap knife. The turbine disk fir-shaped mortise broaching tool has the advantages that the design structure of the broach is changed, the service life of the slotting broach is improved, and the manufacturing precision and the product complete qualification rate of the thread-form precise broach are broken through. The debugging period is successfully shortened, the trial broaching at one time is completely qualified, the production efficiency is improved by 30 percent, and the service life of the broach is prolonged. Compared with the combination-type broach and the powder metallurgy broach, the broaching tool with the above structure has simpler manufacturing process, good interchangeability, safe application and low cost.
Description
Technical field
The present invention relates to the structure field of broaching tool, a kind of turbine disk fir-shaped mortise broaching tool is provided especially.
Background technology
The turbine disk is a rotary work under the High Temperature And Velocity state, adopt fir shape profile to connect between the turbine disk and the blade, concentrate the phenomenon that cracks for avoiding stress occurring, required precision height, dimensional tolerance to turbine disk fir-shaped mortise are tight, and turbine disk part material is generally high temperature alloy, its cutting characteristics are: plastic deformation was big when the elevated temperature strength of material was big, cutting force is big, poor thermal conductivity, the cutting temperature height, work hardening is serious, sticking easily cutter, technological difficulties such as cutter life is low, and mechanical processing difficulty is big.
Summary of the invention
The objective of the invention is to prolong the service life of processing high-temperature alloy turbine disc fir-shaped mortise broaching tool, reduced cost, shortened debugging cycle, enhanced productivity, improved the surface smoothness of being drawn part, guaranteed the geometry of being drawn part.
The invention provides a kind of turbine disk fir-shaped mortise broaching tool, it is characterized in that: the wide both sides of described turbine disk fir-shaped mortise broaching tool cutter are the chamfering that sharp corner has 0.2 * 45 degree that grinds, promptly the depth of cut is arranged in the end face direction, the chamfering direction also has the depth of cut, make the multiple-cutting-edge broaching into by original single-blade broaching, increase the length of cutting edge, this slight chamfering has reduced cutting resistance greatly, broaching is carried out smoothly, reduced the frequency of sharpening and the percent defective of part;
Slightly slot in 1 to 6 position, the rough tongue-and-groove thread form in the 7th position, the 8th position finish draw tongue-and-groove thread form profile, the 9th position end face finish draw;
1 to 6 position adopts 6 necking tool, and the 7th position adopts 1 rough profile of tooth cutter, and the employing 1 of the 8th position is finish draw profile of tooth cutter, and the 9th position employing 1 claims the cap cutter end face broaching tool again.
The selection of the broaching tool geometric angle of described turbine disk fir-shaped mortise broaching tool is important parameter in the broaching tool design, and current relief angle is spent when big, and point of a knife is easy to embed machined surface, and the broaching tool change in size is fast.The angular direction is consistent as far as possible with cutter tooth ascending amount direction before and after getting.The desirable γ in angle before and after the thick finishing broach of flute profile during broaching high temperature alloy fir-shaped mortise=15 °, α=2 °～4 °.
Fluting broaching tool angle Φ=15 ° 30 ' is identical with tongue-and-groove center line angle, when necking tool draws back cutter and moves the teeth position to, broaching tool and tongue-and-groove center line angle Φ '=8 °, by the variation of necking tool in teeth position broaching angle, remove a large amount of allowance of teeth position tooth, thereby reduced the broaching surplus of rough teeth broaching tool, effectively controlled the strain that causes part because of broaching teeth position broaching resistance greatly, guarantee parts size precision, shorten the length of this broaching tool, improve the broaching tool durability.
Broaching tool is installed on the broaching tool seat 10 and compresses installation by voussoir 11.
On new machine, change traditional finishing broach project organization.Adopt " branch face " broaching moulding, promptly on the smart cutter of flute profile, when first cutter tooth draws teeth degree face, see position shown in the A among Fig. 5, at the bottom of the empty tooth punching alveolus; Second cutter tooth draws the teeth bottom land, sees position shown in the B among Fig. 5, empty tooth punching tooth degree face, and alternately broaching so repeatedly so be called for short " branch face " broaching, has the typing tooth of two full moulding at last.
This broaching layout reduces broaching resistance and broaching heat greatly, reduces the part elastic deformation, has solved the normal technical bottleneck problem that occurs in the production.Through test broaching projection inspection, composite part required precision fully, satisfied the production demand, improve the durability and the service life of broaching tool, reach about 50 at CNC horizontal broaching machine broaching high temperature alloy dish, filled up the manufacturing blank of industry inside broach, advanced in years again going a step further in broaching tool design and manufacturing.
Advantage of the present invention:
Continuous development and application along with difficult-to-machine materials such as heat-resisting high temperature alloy and titanium alloys, Broaching Technology and broaching tool structure are also constantly upgraded thereupon, the combined type broaching tool, at a high speed the lathe of broaching is adopted widely, rational broaching layout, best geometric parameter and advanced person's broaching tool manufacturing process etc., not only guarantee part quality, and on production efficiency, be greatly improved.
Key point is how to improve necking tool durability and finish draw flute profile cutter precision and prolongs its life-span, guarantees the parts size precision requirement.Change the broaching tool project organization, improve fluting broaching tool service life, break through the flute profile finishing broach accuracy of manufacture and the complete qualification rate of product.Debugging cycle is shortened in success, and once " examination is drawn " qualified fully, enhance productivity about 30%, prolong broaching tool service life, (this broaching tool material is high speed steel W 2Mo9Cr4VCo8), this structure is in the like product broaching tool, than combined type broaching tool; Powder metallurgy broaching tool manufacturing process is simple, and interchangeability is good, and is safe in utilization, and cost is low.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is broaching tool and tongue-and-groove center line angle structural representation;
Fig. 2 is the schematic diagram that sharp corner grinds the chamfering of 0.2 * 45 degree for the wide both sides of cutter;
Fig. 3 is the broaching tool structural representation;
Fig. 4 is a broaching tool mounting structure schematic diagram;
Fig. 5 is the tooth-shape structure schematic diagram of broaching tool part.
The specific embodiment
Embodiment 1
Present embodiment provides a kind of turbine disk fir-shaped mortise broaching tool, it is characterized in that: the wide both sides of described turbine disk fir-shaped mortise broaching tool cutter are the chamfering that sharp corner has 0.2 * 45 degree that grinds, promptly the depth of cut is arranged in the end face direction, the chamfering direction also has the depth of cut, makes the multiple-cutting-edge broaching into by original single-blade broaching, increases the length of cutting edge, this slight chamfering has reduced cutting resistance greatly, broaching is carried out smoothly, reduced the frequency of sharpening and the percent defective of part
Slightly slot in 1 to 6 position, the rough tongue-and-groove thread form in the 7th position, the 8th position finish draw tongue-and-groove thread form profile, the 9th position end face finish draw;
1 to 6 position adopts 6 necking tool, and the 7th position adopts 1 rough profile of tooth cutter, and the employing 1 of the 8th position is finish draw profile of tooth cutter, and the 9th position employing 1 claims the cap cutter end face broaching tool again.
The selection of the broaching tool geometric angle of described turbine disk fir-shaped mortise broaching tool is important parameter in the broaching tool design, and current relief angle is spent when big, and point of a knife is easy to embed machined surface, and the broaching tool change in size is fast.The angular direction is consistent as far as possible with cutter tooth ascending amount direction before and after getting.The desirable γ in angle before and after the thick finishing broach of flute profile during broaching high temperature alloy fir-shaped mortise=15 °, α=2 °.
Broaching tool is installed on the broaching tool seat 10 and compresses installation by voussoir 11.
Embodiment 2
Present embodiment provides a kind of turbine disk fir-shaped mortise broaching tool, it is characterized in that: the wide both sides of described turbine disk fir-shaped mortise broaching tool cutter are the chamfering that sharp corner has 0.2 * 45 degree that grinds, promptly the depth of cut is arranged in the end face direction, the chamfering direction also has the depth of cut, makes the multiple-cutting-edge broaching into by original single-blade broaching, increases the length of cutting edge, this slight chamfering has reduced cutting resistance greatly, broaching is carried out smoothly, reduced the frequency of sharpening and the percent defective of part
Slightly slot in 1 to 6 position, the rough tongue-and-groove thread form in the 7th position, the 8th position finish draw tongue-and-groove thread form profile, the 9th position end face finish draw;
1 to 6 position adopts 6 necking tool, and the 7th position adopts 1 rough profile of tooth cutter, and the employing 1 of the 8th position is finish draw profile of tooth cutter, and the 9th position employing 1 claims the cap cutter end face broaching tool again.
The selection of the broaching tool geometric angle of described turbine disk fir-shaped mortise broaching tool is important parameter in the broaching tool design, and current relief angle is spent when big, and point of a knife is easy to embed machined surface, and the broaching tool change in size is fast.The angular direction is consistent as far as possible with cutter tooth ascending amount direction before and after getting.The desirable γ in angle before and after the thick finishing broach of flute profile during broaching high temperature alloy fir-shaped mortise=15 °, α=3 °.
Broaching tool is installed on the broaching tool seat 10 and compresses installation by voussoir 11.
Embodiment 3
Present embodiment provides a kind of turbine disk fir-shaped mortise broaching tool, it is characterized in that: the wide both sides of described turbine disk fir-shaped mortise broaching tool cutter are the chamfering that sharp corner has 0.2 * 45 degree that grinds, promptly the depth of cut is arranged in the end face direction, the chamfering direction also has the depth of cut, makes the multiple-cutting-edge broaching into by original single-blade broaching, increases the length of cutting edge, this slight chamfering has reduced cutting resistance greatly, broaching is carried out smoothly, reduced the frequency of sharpening and the percent defective of part
Slightly slot in 1 to 6 position, the rough tongue-and-groove thread form in the 7th position, the 8th position finish draw tongue-and-groove thread form profile, the 9th position end face finish draw;
1 to 6 position adopts 6 necking tool, and the 7th position adopts 1 rough profile of tooth cutter, and the employing 1 of the 8th position is finish draw profile of tooth cutter, and the 9th position employing 1 claims the cap cutter end face broaching tool again.
The selection of the broaching tool geometric angle of described turbine disk fir-shaped mortise broaching tool is important parameter in the broaching tool design, and current relief angle is spent when big, and point of a knife is easy to embed machined surface, and the broaching tool change in size is fast.The angular direction is consistent as far as possible with cutter tooth ascending amount direction before and after getting.The desirable γ in angle before and after the thick finishing broach of flute profile during broaching high temperature alloy fir-shaped mortise=15 °, α=4 °.
Broaching tool is installed on the broaching tool seat 10 and compresses installation by voussoir 11.
Claims (2)
1. turbine disk fir-shaped mortise broaching tool, it is characterized in that: the wide both sides of described turbine disk fir-shaped mortise broaching tool cutter are the chamfering that sharp corner has 0.2 * 45 degree that grinds, slightly slot in 1 to 6 position, the rough tongue-and-groove thread form in the 7th position, the 8th position finish draw tongue-and-groove thread form profile, the 9th position end face finish draw; 1 to 6 position adopts 6 necking tool, and the 7th position adopts 1 rough profile of tooth cutter, and the employing 1 of the 8th position is finish draw profile of tooth cutter, and the 9th position employing 1 claims the cap cutter end face broaching tool again.
2. according to the described turbine disk fir-shaped mortise broaching tool of claim 1, it is characterized in that: the selection of the broaching tool geometric angle of described turbine disk fir-shaped mortise broaching tool, the angular direction is consistent with cutter tooth ascending amount direction before and after getting, the desirable γ in angle before and after the thick finishing broach of flute profile during broaching high temperature alloy fir-shaped mortise=15 °, α=2 °～4 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910187672A CN101774045A (en) | 2009-09-28 | 2009-09-28 | Turbine disk fir-shaped mortise broaching tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910187672A CN101774045A (en) | 2009-09-28 | 2009-09-28 | Turbine disk fir-shaped mortise broaching tool |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350542A (en) * | 2011-09-23 | 2012-02-15 | 哈尔滨汽轮机厂有限责任公司 | Method for eliminating broaching elastic deformation of high-temperature alloy turbine disk |
| CN102717149A (en) * | 2012-06-01 | 2012-10-10 | 上海交通大学 | Adjustable finishing broach of wheel disc and tenon slot combination surface |
| CN102962515A (en) * | 2012-11-28 | 2013-03-13 | 成都发动机（集团）有限公司 | Rough slotting broach for processing high-temperature alloy and titanium alloy workpieces |
| CN104475861A (en) * | 2014-11-04 | 2015-04-01 | 西安航空动力股份有限公司 | Broaching turbine disc tongue-and-groove full-profile tooth type finishing broach and grinding method thereof |
| CN104968460A (en) * | 2013-02-01 | 2015-10-07 | 涡轮梅坎公司 | Method for broaching slots for parts such as turbine rotor disks or turbomachine compressor disks and broach |
| CN105415028A (en) * | 2015-12-09 | 2016-03-23 | 四川成发航空科技股份有限公司 | Improved type universal fixture for machining blade profile |
| CN107282986A (en) * | 2016-04-11 | 2017-10-24 | 哈尔滨理工大学 | A kind of high strength steel test specimen tested for turbine disk Broaching Technology |
| CN107649735A (en) * | 2017-08-24 | 2018-02-02 | 中南大学 | For processing the multistation helical teeth broaching tool and its processing method of turbine disc mortise |
| CN107876868A (en) * | 2017-11-27 | 2018-04-06 | 株洲瓦瑞斯硬质合金有限公司 | Whole hard alloy broaching tool |
| CN108655494A (en) * | 2018-06-25 | 2018-10-16 | 浙江畅尔智能装备股份有限公司 | A kind of automatic production line of turbine disc mortise broaching |
| CN109396541A (en) * | 2018-11-20 | 2019-03-01 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of special comprehensive finishing broach improving fan disk super large tongue-and-groove processing quality |
| CN113814464A (en) * | 2021-09-29 | 2021-12-21 | 中国航发成都发动机有限公司 | Turbine disc inclined tree-shaped mortise broaching deformation control assembly and broaching process |
| CN113857561A (en) * | 2021-12-02 | 2021-12-31 | 中国航发燃气轮机有限公司 | Method for repairing scratch defect of gas turbine wheel disc fir-type tongue-and-groove working face |
| CN114473035A (en) * | 2022-03-31 | 2022-05-13 | 重庆江增船舶重工有限公司 | Method for machining mortise of main shaft of turbocharger |
-
2009
- 2009-09-28 CN CN200910187672A patent/CN101774045A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350542A (en) * | 2011-09-23 | 2012-02-15 | 哈尔滨汽轮机厂有限责任公司 | Method for eliminating broaching elastic deformation of high-temperature alloy turbine disk |
| CN102350542B (en) * | 2011-09-23 | 2013-06-19 | 哈尔滨汽轮机厂有限责任公司 | Method for eliminating broaching elastic deformation of high-temperature alloy turbine disk |
| CN102717149A (en) * | 2012-06-01 | 2012-10-10 | 上海交通大学 | Adjustable finishing broach of wheel disc and tenon slot combination surface |
| CN102962515A (en) * | 2012-11-28 | 2013-03-13 | 成都发动机（集团）有限公司 | Rough slotting broach for processing high-temperature alloy and titanium alloy workpieces |
| CN102962515B (en) * | 2012-11-28 | 2014-12-10 | 成都发动机（集团）有限公司 | Rough slotting broach for processing high-temperature alloy and titanium alloy workpieces |
| CN104968460A (en) * | 2013-02-01 | 2015-10-07 | 涡轮梅坎公司 | Method for broaching slots for parts such as turbine rotor disks or turbomachine compressor disks and broach |
| CN104475861A (en) * | 2014-11-04 | 2015-04-01 | 西安航空动力股份有限公司 | Broaching turbine disc tongue-and-groove full-profile tooth type finishing broach and grinding method thereof |
| CN105415028A (en) * | 2015-12-09 | 2016-03-23 | 四川成发航空科技股份有限公司 | Improved type universal fixture for machining blade profile |
| CN107282986A (en) * | 2016-04-11 | 2017-10-24 | 哈尔滨理工大学 | A kind of high strength steel test specimen tested for turbine disk Broaching Technology |
| CN107649735A (en) * | 2017-08-24 | 2018-02-02 | 中南大学 | For processing the multistation helical teeth broaching tool and its processing method of turbine disc mortise |
| CN107876868A (en) * | 2017-11-27 | 2018-04-06 | 株洲瓦瑞斯硬质合金有限公司 | Whole hard alloy broaching tool |
| CN108655494A (en) * | 2018-06-25 | 2018-10-16 | 浙江畅尔智能装备股份有限公司 | A kind of automatic production line of turbine disc mortise broaching |
| CN108655494B (en) * | 2018-06-25 | 2023-09-08 | 浙江畅尔智能装备股份有限公司 | Automatic production line for broaching of turbine disc mortises |
| CN109396541A (en) * | 2018-11-20 | 2019-03-01 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of special comprehensive finishing broach improving fan disk super large tongue-and-groove processing quality |
| CN113814464A (en) * | 2021-09-29 | 2021-12-21 | 中国航发成都发动机有限公司 | Turbine disc inclined tree-shaped mortise broaching deformation control assembly and broaching process |
| CN113857561A (en) * | 2021-12-02 | 2021-12-31 | 中国航发燃气轮机有限公司 | Method for repairing scratch defect of gas turbine wheel disc fir-type tongue-and-groove working face |
| CN113857561B (en) * | 2021-12-02 | 2022-02-15 | 中国航发燃气轮机有限公司 | Method for repairing scratch defect of gas turbine wheel disc fir-type tongue-and-groove working face |
| CN114473035A (en) * | 2022-03-31 | 2022-05-13 | 重庆江增船舶重工有限公司 | Method for machining mortise of main shaft of turbocharger |
| CN114473035B (en) * | 2022-03-31 | 2023-08-08 | 重庆江增船舶重工有限公司 | Method for machining spindle mortises of turbochargers |
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Application publication date: 20100714 |