CN105665800A - Method for milling precise cavity plane of thin-wall aluminum-magnesium cartridge receiver of aircraft engine - Google Patents

Method for milling precise cavity plane of thin-wall aluminum-magnesium cartridge receiver of aircraft engine Download PDF

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CN105665800A
CN105665800A CN201610209105.7A CN201610209105A CN105665800A CN 105665800 A CN105665800 A CN 105665800A CN 201610209105 A CN201610209105 A CN 201610209105A CN 105665800 A CN105665800 A CN 105665800A
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walled
milling
thin
plane
magnalium
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CN105665800B (en
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邓元山
徐舟
宁雄
杨建辉
万坤
黄强飞
郑学著
程璋
胡志星
李德强
邹诚
吴乐新
康春辉
倪慧文
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AECC South Industry Co Ltd
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China National South Aviation Industry Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/28Angles

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  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention discloses a method for milling a precise cavity plane of a thin-wall aluminum-magnesium cartridge receiver of an aircraft engine. The method comprises the following steps: (a) selecting a diamond material and a milling blade with a smoothening edge, so that the plane cutting speed is increased, and the cutting efficiency is improved; (b) polishing the smoothening edge of the milling blade to form an angle alpha with a machined surface on the machined thin-wall aluminum-magnesium cartridge receiver; (c) optimizing milling machining parameters according to the milling blade and the smoothening edge of the milling blade; (d) fixing the machined thin-wall aluminum-magnesium cartridge receiver in a point supporting manner; and (e) carrying out surface milling machining on the precise cavity plane of the fixed machined thin-wall aluminum-magnesium cartridge receiver by virtue of the optimized milling machining parameters, so as to obtain the formed precise cavity plane of the thin-wall aluminum-magnesium cartridge receiver. According to the method, the plane cutting speed can be increased, the cutting efficiency can be improved, meanwhile, the cutting force can be decreased, and the friction between a cutter and machined parts is reduced, so that the vibration, cutter relieving and deformation of the plane in the machining cutting can be reduced, and finally the precision requirement of a big plane is guaranteed.

Description

The method for milling of aero-engine thin-walled magnalium casing precision die cavity plane
Technical field
The present invention relates to aero-engine casing processing technique field, especially, relate to a kind of high-efficient milling method of aero-engine thin-walled magnalium casing precision die cavity plane.
Background technology
Aero-engine has the casing of much large-scale almag structure, this casing comprises numerous oil circuit, structure is complicated greatly, wall thickness is relatively thin, having the big cavity structure plane that intensity is less, contact between these planes coordinates and requires height, namely that the flatness precision of casing plane, roughness prescription is higher, general closed planar degree requires up to being not more than 0.01mm, coarse is not more than 1.6.
The at present processing for the big plane of this casing is the common material blade adopted or Hardmetal materials blade type milling cutter carries out polish. There is following deficiency:
1, the common material blade or the Hardmetal materials blade cut speed that adopt are not high, and cutting speed is the highest is only capable of reaching 300~500m/min, and working (machining) efficiency has much room for improvement.
2, current numerical control mill blade all has wiper edges, and as shown in Figure 4, the long L of sword of wiper edges 1 ' is longer, and owing to this wiper edges 1 ' can improve the part 2 ' surface roughness after processing, therefore, it applies for a kind of standard in the blade of Milling Process. But this cutter blade 3 ' is in finishing passes, wiper edges 1 ' participates in the residual materials that cutting tips is left over, and rub with machined surface 4 ', it is easily generated bigger cutting force, owing to its entirety cannot be rested against by the die cavity plane of labyrinth casing, it is only capable of adopting scattered point type to rest against, when cutting force is bigger, it is easy to make the plane without resting against place's intensity less produce vibration, cutter relieving in milling process. The final precision processing back plane degree can only achieve 0.02~0.03mm, and the processing mode of front this cutter blade can not meet the finishing requirements of the big plane of the type.
3, for magnalium machine alloy material, when wiper edges and machined surface friction length are longer, it is easy to scratch machined surface, affect the surface roughness quality of plane, cause crudy unstable.
Summary of the invention
The invention provides the method for milling of a kind of aero-engine thin-walled magnalium casing precision die cavity plane, with the processing method solving existing employing common material blade or carbide cutter tool chip milling cutter, the technical problem that machining accuracy is not high, working (machining) efficiency is low.
The present invention provides the method for milling of a kind of aero-engine thin-walled magnalium casing precision die cavity plane, comprises the following steps: a, choose diamond the cutter blade with wiper edges, to increase the speed of cutting plane, improves stock-removing efficiency; B, the wiper edges of cutter blade is grinding into and the angled α structure of machined surface on processed thin-walled magnalium casing; C, foundation cutter blade and wiper edges thereof optimize Milling Process parameter; D, an employing point supporting way fix processed thin-walled magnalium casing; The die cavity precision plane of fixing processed thin-walled magnalium casing is carried out surface Milling Process by the machined parameters that e, employing optimize, it is thus achieved that the thin-walled magnalium casing precision die cavity plane of molding.
Further, in step a, the fillet design of diamond milling cutter sheet is the small round corner structure of R0.1mm-R0.2mm, to reduce cutting force, the friction reduced between cutter and processed thin-walled magnalium casing.
Further, the cutting speed of diamond milling cutter sheet is set in 800m/min-1500m/min, to play the performance of the high rigidity of diamond, high-wearing feature, low friction, high-termal conductivity, improves working (machining) efficiency.
Further, in step b, wiper edges design, is grinding into the angle of α by wiper edges, so that when wiper edges acts on processed thin-walled magnalium casing, wiper edges forms the angle of α with processed thin-walled magnalium casing surface.
Further, step c optimizes Milling Process parameter particularly as follows: sets the peak of revolution mark and the cutter blade point of a knife fillet vertical distance at the point of contact of the processed thin-walled magnalium casing height H as revolution mark, distance between nearest two point of contacts of cutter blade point of a knife fillet and processed thin-walled magnalium casing surface is point of a knife feeding f, and the angle of newly-designed wiper edges is α; The roughness Ra value of processed thin-walled magnalium casing plane depends on the height H of cutting revolution mark, affect revolution mark height H and be mainly angle and the feed speed of wiper edges, there is following relation in the angle [alpha] and the feed speed value that obtain revolution mark height value H and wiper edges: H=(1/2) × f × tan (α), according to this relational expression, the feed speed setting cutter blade is not more than 2H/tan (α), take the maximum feed speed of cutter blade when to ensure the roughness Ra of the machined surface of processed thin-walled magnalium casing, improve milling efficiency.
Further, the area of processed thin-walled magnalium casing die cavity plane is 600mm × 250mm, adopts point to rest against mode and fixes, and processing planarity requirements is 0.01mm, and roughness requirements is Ra1.6, and namely the residual area height of plane surface cutting is less than 0.0016m; Choose the cutter blade with wiper edges that fillet is R0.1mm, wiper edges is grinding into the structure of-4 ° of angles.
Further, selecting the facing cutter of φ 63mm, facing cutter equipped with three slitting milling cutter sheets, sets the cutting-in of cutter blade as 0.05mm, and Milling Speed is 1000min/min.
Further, the relation according to the height value H of revolution mark Yu feed speed: f≤2H/tan (4 °), f≤2 × 0.0016/tan (4 °), thus obtaining each revolution of feeding f≤0.0457mm of cutter blade.
Further, according to the cutting parameter set, numerical programming program, the plane of processed thin-walled magnalium casing is carried out Milling Process by Digit Control Machine Tool.
Further, Digit Control Machine Tool is adopted to carry out the Milling Process of processed thin-walled magnalium casing.
The method have the advantages that
The method for milling of aero-engine thin-walled magnalium casing precision die cavity plane of the present invention, diamond is owing to having the advantage such as high hardness and wearability, low friction, high-termal conductivity, the speed of cutting plane can be increased, improve stock-removing efficiency, cutting force can be reduced simultaneously, reduce the friction of cutter and part to be processed. The wiper edges of cutter blade is grinding into the structure at an angle with machined surface, the residual materials that cutter blade cutting tips circular arc is left over can be reduced, and the friction of reduction and machined surface, be conducive to reducing the cutting force that in the course of processing, big plane is produced by cutter blade, for the big plane that the thin-walled relatively thin intensity of magnalium casing is less, the reduction of cutting force can reduce plane vibration, cutter relieving, deformation in processing cutting, is finally reached the purpose of the flatness precision improving big plane; Thin-walled magnalium casing die cavity plane uses this new wiper insert Milling Process back plane degree precision can reach 0.006mm-0.01mm, and the precision processed relative to the wiper insert of non-angular can improve 2-5 times; Thus reducing big plane in milling process to produce vibration, cutter relieving, improve the flatness precision of big plane. Optimize Milling Parameters, it is ensured that when the roughness quality of finished surface, take the maximum feeding of milling cutter, eliminate the machined surface scratch phenomenon caused due to wiper edges and the friction of machined surface.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage. Below with reference to accompanying drawings, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the step block diagram of the method for milling of the aero-engine thin-walled magnalium casing precision die cavity plane of the preferred embodiment of the present invention;
Fig. 2 is the structural representation that the cutter blade chosen of the preferred embodiment of the present invention and wiper edges thereof are in part working position;
Fig. 3 is the partial enlarged drawing of Fig. 2 cutter blade point of a knife cutting place.
Fig. 4 is the structural representation of existing cutter blade working position.
Marginal data:
1, processed thin-walled magnalium casing; 2, cutter blade; 3, wiper edges; 4, machined surface.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be implemented by following the multitude of different ways limiting and covering.
Fig. 1 is the step block diagram of the method for milling of the aero-engine thin-walled magnalium casing precision die cavity plane of the preferred embodiment of the present invention; Fig. 2 is the structural representation that the cutter blade chosen of the preferred embodiment of the present invention and wiper edges thereof are in part working position; Fig. 3 is the partial enlarged drawing of Fig. 2 cutter blade point of a knife cutting place.
As it is shown in figure 1, the method for milling of the aero-engine thin-walled magnalium casing precision die cavity plane of the present embodiment, comprise the following steps: a, choose diamond the cutter blade 2 with wiper edges 3, to increase the speed of cutting plane, improve stock-removing efficiency; B, the wiper edges 3 of cutter blade 2 is grinding into and the angled α structure of machined surface 4 on processed thin-walled magnalium casing 1;C, foundation cutter blade 2 and wiper edges 3 thereof optimize Milling Process parameter; D, an employing point supporting way fix processed thin-walled magnalium casing 1; The die cavity precision plane of fixing processed thin-walled magnalium casing 1 is carried out surface Milling Process by the machined parameters that e, employing optimize, it is thus achieved that the thin-walled magnalium casing precision die cavity plane of molding. The method for milling of aero-engine thin-walled magnalium casing precision die cavity plane of the present invention, diamond is owing to having the advantage such as high hardness and wearability, low friction, high-termal conductivity, adopt the cutter of diamond, the speed of cutting plane can be increased, improve stock-removing efficiency, cutting force can be reduced simultaneously, reduce the friction of cutter and part to be processed. The wiper edges 3 of cutter blade 2 is designed to the structure at an angle with machined surface 4, the residual materials that cutter blade 2 cutting tips circular arc is left over can be reduced, and the friction of reduction and machined surface 4, be conducive to reducing the cutting force that in the course of processing, big plane is produced by cutter blade 2, for the big plane that the thin-walled relatively thin intensity of magnalium casing is less, the reduction of cutting force can reduce plane vibration, cutter relieving, deformation in processing cutting, is finally reached the purpose of the flatness precision improving big plane; Thin-walled magnalium casing die cavity plane uses this new wiper edges 3 blade Milling Process back plane degree precision can reach 0.006mm-0.01mm, and the precision processed relative to wiper edges 3 blade of non-angular can improve 2-5 times; Thus reducing big plane in milling process to produce vibration, cutter relieving, improve the flatness precision of big plane. Optimize Milling Parameters, it is ensured that when the roughness quality of finished surface, take the maximum feeding of milling cutter, eliminate the machined surface 4 caused due to wiper edges 3 and the friction of machined surface 4 and abrade phenomenon. Alternatively, angle [alpha] is between 1mm-8mm. Preferably, angle [alpha] is between 3mm-5mm.
As shown in Figure 1, Figure 2 and Figure 3, in this present embodiment, in step a, the fillet design of diamond milling cutter sheet 2 is the small round corner structure of R0.1mm-R0.2mm, to reduce cutting force, the friction reduced between cutter and processed thin-walled magnalium casing 1.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the cutting speed of diamond milling cutter sheet 2 is set in 800m/min-1500m/min, to play the performance of the high rigidity of diamond, high-wearing feature, low friction, high-termal conductivity, improves working (machining) efficiency.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, in step b, wiper edges 3 designs, and wiper edges 3 is grinding into the angle of α, so that when wiper edges 3 acts on processed thin-walled magnalium casing 1, wiper edges 3 forms the angle of α with processed thin-walled magnalium casing 1 surface.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, step c optimizes Milling Process parameter particularly as follows: sets the peak of revolution mark and the cutter blade 2 point of a knife fillet vertical distance at the point of contact of the processed thin-walled magnalium casing 1 height H as revolution mark, distance between nearest two point of contacts of cutter blade 2 point of a knife fillet and processed thin-walled magnalium casing 1 surface is point of a knife feeding f, and the angle of newly-designed wiper edges 3 is α. the roughness Ra value of processed thin-walled magnalium casing 1 plane depends on the height H of cutting revolution mark, affect revolution mark height H and be mainly angle and the feed speed of wiper edges 3, there is following relation in the angle [alpha] and the feed speed value that obtain revolution mark height value H and wiper edges 3: H=(1/2) × f × tan (α), according to this relational expression, the feed speed setting cutter blade 2 is not more than 2H/tan (α), the maximum feed speed of cutter blade 2 is taken when to ensure the roughness Ra of the machined surface 4 of processed thin-walled magnalium casing 1, improve milling efficiency.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the area of processed thin-walled magnalium casing 1 die cavity plane is 600mm × 250mm, adopt point to rest against mode to fix, processing planarity requirements is 0.01mm, roughness requirements is Ra1.6, and namely the residual area height of plane surface cutting is less than 0.0016m. Choose the cutter blade 2 with wiper edges 3 that fillet is R0.1mm, wiper edges 3 is grinding into the structure of-4 ° of angles.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, selecting the facing cutter of φ 63mm, facing cutter equipped with three slitting milling cutter sheets 2, sets the cutting-in of cutter blade 2 as 0.05mm, and Milling Speed is 1000min/min.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the relation of the height value H according to revolution mark and feed speed: f≤2H/tan (4 °), f≤2 × 0.0016/tan (4 °), thus obtaining each revolution of feeding f≤0.0457mm of cutter blade 2.
In the present embodiment, according to the cutting parameter set, numerical programming program, the plane of processed thin-walled magnalium casing 1 is carried out Milling Process by Digit Control Machine Tool.
In the present embodiment, Digit Control Machine Tool is adopted to carry out the Milling Process of processed thin-walled magnalium casing 1.
During enforcement, it is provided that the method for milling of a kind of aero-engine thin-walled magnalium casing precision die cavity plane, by adopting the cutter blade 2 of a kind of diamond, increase Milling Speed, improve working (machining) efficiency; And this cutter blade 2 is designed a kind of new wiper edges 3, the cutting force produced when reducing blade cut, thus reducing vibration, the cutter relieving that big plane produces in the course of processing, improves the flatness precision of plane; On new wiper edges 3 basis, optimize numerical control milling parameter, it is ensured that the roughness quality of finished surface and stability thereof, improve working (machining) efficiency.
Adopt a kind of diamond cutter blade 2.
Diamond, owing to having the advantage such as high hardness and wearability, low friction, high-termal conductivity, improves working (machining) efficiency greatly. Feature according to diamond, becomes R0.1mm-R0.2mm small round corner structure by the fillet design of diamond blade, reduces cutting force, reduces the friction of cutter and part to be processed.
The wiper edges 3 of design cutter blade 2
The wiper edges 3 of cutter blade 2 is designed to structure low-angle with machined surface 4 one-tenth α, its signal is as shown in Figure 2, this structure can reduce the residual materials that the wiper edges 3 cutting tips circular arc of cutter blade 2 is left over, and the friction of reduction and machined surface 4, be conducive to reducing the cutting force that in the course of processing, big plane is produced by cutter blade 2, for the big plane that the relatively thin intensity of casing is less, the reduction of cutting force can reduce plane vibration, cutter relieving, deformation in processing cutting, is finally reached the purpose of the flatness precision improving big plane. Thin-walled magnalium casing die cavity plane uses this new wiper edges 3 blade Milling Process back plane degree precision can reach 0.006mm-0.01mm. The precision processed relative to wiper edges 3 blade of non-angular can improve 2-5 times
Set rational machined parameters.
The roughness Ra value on part to be processed surface depends primarily on the height of cutting revolution mark, affects the angle of the mainly wiper edges 3 of revolution mark height H, feed speed. Such as Fig. 3 (being the partial enlarged drawing of cutter blade 2 point of a knife cutting place in Fig. 2), the height H that distance is revolution mark at the point of contact of the peak of revolution mark and cutter blade 2 point of a knife fillet and part to be processed, distance between nearest two point of contacts of point of a knife fillet and part to be processed surface and the angle that feeding f, α are newly-designed wiper edges 3 of point of a knife.
The relation that the angle of revolution mark height value H and wiper edges 3 and feed speed value exist:
H=(1/2) × f × tan (α)
Namely according to this relational expression, the feed speed setting cutter blade 2 is not more than 2H/tan (α), takes the maximum feed speed of cutter blade 2 when namely ensureing the roughness of machined surface 4, improves milling efficiency.
And wiper edges 3 is designed to the structure of negative angle, reduce the friction of wiper edges 3 and machined surface 4, such that it is able to reduce the scratch that machined surface 4 causes because of friction, improve the stability of surface roughness quality.
Adopt the beneficial effect of the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane of the present invention:
(1) adopt the cutter of diamond, increase the speed of cutting plane, improve stock-removing efficiency.
(2) reducing the cutting force produced when cutter blade 2 cuts, thus reducing big plane in milling process to produce vibration, cutter relieving, improving the flatness precision of big plane.
(3) optimize numerical control milling parameter, it is ensured that when the roughness quality of finished surface, take the maximum feeding of milling cutter, eliminate the machined surface 4 caused due to wiper edges 3 and the friction of machined surface 4 and abrade phenomenon.
Cut for the processed complex thin-walled magnalium big plane finish milling of casing die cavity, its die cavity area of plane is 600mm × 250mm, adopting point to rest against mode and fix, the planarity requirements of its processing is 0.01mm, roughness requirements is Ra1.6, and the enforcement that process is concrete is described:
1, choose band wiper edges 3 cutter blade 2 that fillet is R0.1mm of design, its wiper edges 3 is grinding into the structure of-4 ° of angles.
2, rational machined parameters is set; According to processing practical situation, selecting the facing cutter of φ 63, equipped with 3 slitting milling cutter sheets 2, set the cutting-in of cutter blade 2 as 0.05mm, Milling Speed is 2000m/min.
Coarse thick value Ra1.6, namely the revolution mark height of plane surface cutting should be less than 0.0016mm
The relation of the height value H according to revolution mark and feed speed: f≤2H/tan (4 °)
F≤2 × 0.0016/tan (4 °), such that it is able to obtain each revolution of feeding f≤0.0457mm of cutter blade 2
3, according to the above-mentioned 2nd article of cutting parameter set, rational numerical control program is worked out.
4, on Digit Control Machine Tool, the plane of part to be processed is carried out Milling Process.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (10)

1. the method for milling of an aero-engine thin-walled magnalium casing precision die cavity plane, it is characterised in that comprise the following steps:
A, choose diamond the cutter blade with wiper edges, to increase the speed of cutting plane, improve stock-removing efficiency;
B, the wiper edges of cutter blade is grinding into and the angled α structure of machined surface on processed thin-walled magnalium casing;
C, foundation cutter blade and wiper edges thereof optimize Milling Process parameter;
D, an employing point supporting way fix processed thin-walled magnalium casing;
The die cavity precision plane of fixing processed thin-walled magnalium casing is carried out surface Milling Process by the machined parameters that e, employing optimize, it is thus achieved that the thin-walled magnalium casing precision die cavity plane of molding.
2. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 1, it is characterised in that
In described step a, the fillet design of diamond milling cutter sheet is the small round corner structure of R0.1mm-R0.2mm, to reduce cutting force, the friction reduced between cutter and processed thin-walled magnalium casing.
3. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 2, it is characterised in that
The cutting speed of diamond milling cutter sheet is set in 800m/min-1500m/min, to play the performance of the high rigidity of diamond, high-wearing feature, low friction, high-termal conductivity, improves working (machining) efficiency.
4. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 1, it is characterised in that
In described step b, wiper edges design, is grinding into the angle of α by wiper edges, so that when wiper edges acts on processed thin-walled magnalium casing, wiper edges forms the angle of α with processed thin-walled magnalium casing surface.
5. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 1, it is characterised in that
Step c optimize Milling Process parameter particularly as follows:
Set the peak of revolution mark and the cutter blade point of a knife fillet vertical distance at the point of contact of the processed thin-walled magnalium casing height H as revolution mark, distance between nearest two point of contacts of cutter blade point of a knife fillet and processed thin-walled magnalium casing surface is point of a knife feeding f, and the angle of newly-designed wiper edges is α;
The roughness Ra value of processed thin-walled magnalium casing plane depends on the height H of cutting revolution mark, affecting revolution mark height H and be mainly angle and the feed speed of wiper edges, there is following relation in the angle [alpha] and the feed speed value that obtain revolution mark height value H and wiper edges:
H=(1/2) × f × tan (α),
According to this relational expression, the feed speed setting cutter blade is not more than 2H/tan (α), takes the maximum feed speed of cutter blade, improve milling efficiency when to ensure the roughness Ra of the machined surface of processed thin-walled magnalium casing.
6. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 5, it is characterised in that
The area of processed thin-walled magnalium casing die cavity plane is 600mm × 250mm,
Adopting point to rest against mode to fix, processing planarity requirements is 0.01mm,
Roughness requirements is Ra1.6, and namely the residual area height of plane surface cutting is less than 0.0016m;
Choose the cutter blade with wiper edges that fillet is R0.1mm, wiper edges is grinding into the structure of-4 ° of angles.
7. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 6, it is characterised in that
Select the facing cutter of φ 63mm,
Facing cutter equipped with three slitting milling cutter sheets,
Setting the cutting-in of cutter blade as 0.05mm, Milling Speed is 1000min/min.
8. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 7, it is characterised in that
The relation of the height value H according to revolution mark and feed speed:
F≤2H/tan (4 °),
F≤2 × 0.0016/tan (4 °),
Thus obtaining each revolution of feeding f≤0.0457mm of cutter blade.
9. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to claim 8, it is characterised in that
Cutting parameter according to setting, numerical programming program,
The plane of processed thin-walled magnalium casing is carried out Milling Process by Digit Control Machine Tool.
10. the method for milling of aero-engine thin-walled magnalium casing precision die cavity plane according to any one of claim 1 to 8, it is characterised in that
Digit Control Machine Tool is adopted to carry out the Milling Process of processed thin-walled magnalium casing.
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* Cited by examiner, † Cited by third party
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CN107096950A (en) * 2017-04-20 2017-08-29 榆林学院 A kind of milling method for improving Mg alloy surface quality
WO2020170625A1 (en) * 2019-02-22 2020-08-27 三菱重工業株式会社 End mill and method of manufacturing end mill
CN112198114A (en) * 2020-09-27 2021-01-08 中国民航大学 Method for improving multi-angle grinding experiment precision of carbon fiber composite material
CN114619056A (en) * 2020-12-10 2022-06-14 苏州领裕电子科技有限公司 Cutting method for removing male and female surfaces by using disc cutter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004034208A (en) * 2002-07-02 2004-02-05 Ishikawajima Harima Heavy Ind Co Ltd Cutting method of thin wall member
CN101780557A (en) * 2010-02-09 2010-07-21 保定惠阳航空螺旋桨制造厂 Numerical control milling process method of thin-walled part die cavity
CN201760645U (en) * 2010-08-06 2011-03-16 威士精密工具(上海)有限公司 PCD high-speed milling cutter blade
CN202291454U (en) * 2011-11-14 2012-07-04 郑州市钻石精密制造有限公司 Groove positioning type welding polycrystalline diamond milling blade
CN103264183A (en) * 2013-05-23 2013-08-28 沈阳黎明航空发动机(集团)有限责任公司 Complex receiver part shape cone following milling method
CN103317176A (en) * 2013-07-15 2013-09-25 中国南方航空工业(集团)有限公司 Processing method for parts
CN105081443A (en) * 2014-05-05 2015-11-25 天津职业技术师范大学 Flank surface of cutting edge of micro cutting tool for processing ultra-smooth surface
CN105397425A (en) * 2015-12-11 2016-03-16 中国南方航空工业(集团)有限公司 Method for machining annular casing of aero-engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004034208A (en) * 2002-07-02 2004-02-05 Ishikawajima Harima Heavy Ind Co Ltd Cutting method of thin wall member
CN101780557A (en) * 2010-02-09 2010-07-21 保定惠阳航空螺旋桨制造厂 Numerical control milling process method of thin-walled part die cavity
CN201760645U (en) * 2010-08-06 2011-03-16 威士精密工具(上海)有限公司 PCD high-speed milling cutter blade
CN202291454U (en) * 2011-11-14 2012-07-04 郑州市钻石精密制造有限公司 Groove positioning type welding polycrystalline diamond milling blade
CN103264183A (en) * 2013-05-23 2013-08-28 沈阳黎明航空发动机(集团)有限责任公司 Complex receiver part shape cone following milling method
CN103317176A (en) * 2013-07-15 2013-09-25 中国南方航空工业(集团)有限公司 Processing method for parts
CN105081443A (en) * 2014-05-05 2015-11-25 天津职业技术师范大学 Flank surface of cutting edge of micro cutting tool for processing ultra-smooth surface
CN105397425A (en) * 2015-12-11 2016-03-16 中国南方航空工业(集团)有限公司 Method for machining annular casing of aero-engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096950A (en) * 2017-04-20 2017-08-29 榆林学院 A kind of milling method for improving Mg alloy surface quality
WO2020170625A1 (en) * 2019-02-22 2020-08-27 三菱重工業株式会社 End mill and method of manufacturing end mill
JP2020131396A (en) * 2019-02-22 2020-08-31 三菱重工業株式会社 End mill and method of manufacturing end mill
JP7114508B2 (en) 2019-02-22 2022-08-08 三菱重工業株式会社 End mill manufacturing method and cutting method
CN112198114A (en) * 2020-09-27 2021-01-08 中国民航大学 Method for improving multi-angle grinding experiment precision of carbon fiber composite material
CN114619056A (en) * 2020-12-10 2022-06-14 苏州领裕电子科技有限公司 Cutting method for removing male and female surfaces by using disc cutter

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