CN107953092A - One kind is used for the rough machined efficiently rose cutter processing method of turbine blade - Google Patents
One kind is used for the rough machined efficiently rose cutter processing method of turbine blade Download PDFInfo
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- CN107953092A CN107953092A CN201711484366.0A CN201711484366A CN107953092A CN 107953092 A CN107953092 A CN 107953092A CN 201711484366 A CN201711484366 A CN 201711484366A CN 107953092 A CN107953092 A CN 107953092A
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- cutter
- turbine blade
- processing method
- rough machined
- emery wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/34—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
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- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to milling process field, one kind is used for the rough machined efficiently rose cutter processing method of turbine blade, is that this cutter consumption is big in order to solve existing R6 hard alloy bulb milling cutter when for turbine blade roughing, the shortcomings that processing efficiency is low and propose, including:By hard alloy bar according to 4 ° of angle clampings, and it is cylindrical to be ground out the taper that cutter is 4 °;Using the first wheel grinding cutter groove, the angle of inclination between emery wheel and cutter is 2 °, is milled to from bulb part away from untill at Bulb Surface 95mm.The wave edge type line of four cutting edges is drawn using CAD software, with .dxf form save files after drafting, and is inputted into the knives routine of CNC Cutter Grinding Machine Tool;Wave edge type line in caller, using the 3rd emery wheel, is ground the ripple sword and knife face thereafter of bulb part and circumferential teeth;It is ground 1.5 × 45 ° of shank section chamfering;Cutter is passivated processing.The present invention, which is suitable for making, is used for the rough machined efficient rose cutter of turbine blade.
Description
Technical field
The present invention relates to milling process field, one kind is used for the rough machined efficiently rose cutter processing of turbine blade
Method.
Background technology
R6 hard alloy bulb milling cutters are to process a kind of roughing tool in turbine blade shape, former R6 sintered carbide balls
As shown in Figures 1 to 4, former tool orthogonal rake is 6 ° to head milling cutter shape, and the first relief angle is 15 °, and the second relief angle is 45 °, the cylindrical sword of sword
Bandwidth is 0.25mm, and cutter helical angle is 25 °, a length of 65mm of cutting edge.
When for turbine blade roughing, this cutter consumption is big, and processing efficiency is low, can not meet rough machined want
Ask.
The content of the invention
The purpose of the present invention is to solve existing R6 hard alloy bulb milling cutter for turbine blade roughing
When, the shortcomings that this cutter consumption is big, and processing efficiency is low, and propose a kind of to be used for the rough machined efficiently bulb milling of turbine blade
Knife processing method, it is characterised in that including:
Step 1: operation wire cutting machine tool, hard alloy bar is cut off according to cutter length stand-by;
Step 2: operation cylindrical grinder, by the hard alloy bar after being cut off in step 1 according to 4 ° of angle clampings, and is ground
It is cylindrical to go out the taper that cutter is 4 °;
Step 3: tool operating grinding machine, R8 bulbs are ground to by hard alloy bar;
Step 4: operating numerical control cutter sharpener, using the first wheel grinding cutter groove, the angle of inclination between emery wheel and cutter is
2 °, it is milled to from bulb part away from untill at Bulb Surface 95mm.
Step 5: operating numerical control cutter sharpener, utilizes the second wheel grinding bulb part end tooth chip pocket;
Step 6: drawing the wave edge type line of four cutting edges using CAD software, the wave edge type line of four teeth is set staggeredly to divide
Cloth, with .dxf form save files after drafting, and inputs into the knives routine of CNC Cutter Grinding Machine Tool;
Step 7: operating numerical control cutter sharpener, the wave edge type line in caller, utilizes the 3rd emery wheel, is ground ball head
Point and circumferential teeth ripple sword and knife face thereafter;
Step 8: cutter sharpener, 1.5 × 45 ° of grinding shank section chamfering;
Step 9: cutter is passivated processing.
Beneficial effects of the present invention are:1st, the milling cutter that this method is produced is directed to the component material of turbine blade and slightly adds
Work situation, reduces anterior angle and relief angle, makes cutting edge thickening, increases tool strength.2nd, cutting edge is improved to wave edge type, can
A point bits effect is played, reduces resistance to cutting, improves processing efficiency, tool life.3rd, thick for turbine blade
During processing, the raising 30% of processing efficiency, cutter life doubles.
Brief description of the drawings
Fig. 1 is the front view of the rose cutter of the prior art;
Fig. 2 is the left view of the rose cutter of the prior art;I.e. along C in Fig. 1 to the view of observation;
Fig. 3 is the partial enlarged view of the outer ligamentum teres of sword of the rose cutter of the prior art;
Fig. 4 is profile of the rose cutter in A-A directions of the prior art of Fig. 1;
Fig. 5 is the front view for the rose cutter produced using the method for the present invention;R6 represents that Probe-radius is 6mm;θ is
The blade circumferential teeth helical angle of cutting edge;L1 is cutting edge length;L2 is chip pocket length;L3 for whole rose cutter (including
Shank) length;
Fig. 6 is the left view for the rose cutter produced using the method for the present invention;That is regarding along C in Fig. 1 to observation
Figure;R1 represents that the radius of the corresponding circle of circular arc portion is 1mm;R2 represents that the radius of the corresponding circle of circular arc portion is 2mm;W is represented
The cylindrical margin width of sword of cutting edge;
Fig. 7 is the partial enlarged view of ligamentum teres outside the sword for the rose cutter produced using the method for the present invention;α represents to cut
Cut the anterior angle of sword;β represents the first relief angle of cutting edge;γ represents the second relief angle;
Profile of the rose cutter in A-A directions that Fig. 8 is Fig. 5;
Fig. 9 is the wavelength of wave edge and the schematic diagram of the depth of convolution for the rose cutter produced using the method for the present invention.
Embodiment
Embodiment one:Present embodiment is used for the rough machined efficiently rose cutter processing side of turbine blade
Method, it is characterised in that including:
Step 1: operation wire cutting machine tool, hard alloy bar is cut off according to cutter length stand-by.I.e. follow-up grinding
Processing is completed on the hard alloy bar obtained in this step.
Step 2: operation cylindrical grinder, by the hard alloy bar after being cut off in step 1 according to 4 ° of angle clampings, and is ground
It is cylindrical to go out the taper that cutter is 4 °.4 ° are the axis of alloy bar and the angle of grinding machine working face.
Step 3: tool operating grinding machine, R8 bulbs are ground to by hard alloy bar.The final purpose of the present invention is to produce
R6 bulbs, it is to flow out fine ginding surplus that this step, which is ground to R8,.
Step 4: operating numerical control cutter sharpener, using the first wheel grinding cutter groove, the angle of inclination between emery wheel and cutter is
2 °, it is milled to from bulb part away from untill at Bulb Surface 95mm.
Step 5: operating numerical control cutter sharpener, utilizes the second wheel grinding bulb part end tooth chip pocket.
Step 6: drawing the wave edge type line of four cutting edges using CAD software, the wave edge type line of four teeth is set staggeredly to divide
Cloth, with .dxf form save files after drafting, and inputs into the knives routine of CNC Cutter Grinding Machine Tool.
Step 7: operating numerical control cutter sharpener, the wave edge type line in caller, utilizes the 3rd emery wheel, is ground ball head
Point and circumferential teeth ripple sword and knife face thereafter.
Step 8: cutter sharpener, 1.5 × 45 ° of grinding shank section chamfering.
Step 9: cutter is passivated processing.
Embodiment two:The present embodiment is different from the first embodiment in that:In step 2, outside the taper
Round surplus is 0.6mm to 0.7mm, length 95mm.
Other steps and parameter are identical with embodiment one.
Embodiment three:The present embodiment is different from the first and the second embodiment in that:In step 4, the first sand
Take turns as the 1A1 parallel grinding wheels of diamond material, a diameter of 100mm.
Other steps and parameter are the same as one or two specific embodiments.
Embodiment four:Unlike one of present embodiment and embodiment one to three:In step 4, the
Translational speed of one emery wheel in cutter groove is 80mm/min, grinding speed 24m/s.
Other steps and parameter are identical with one of embodiment one to three.
Embodiment five:Unlike one of present embodiment and embodiment one to four:In step 5, the
Two emery wheels are the 1V1 monoclinic parallel grinding wheels of diamond material, a diameter of 100mm.
Other steps and parameter are identical with one of embodiment one to four.
Embodiment six:Unlike one of present embodiment and embodiment one to five:In step 5, the
The translational speed of two emery wheels is 40mm/min, and grinding speed is 20m/s~24m/s.
Other steps and parameter are identical with one of embodiment one to five.
Embodiment seven:Unlike one of present embodiment and embodiment one to six:In step 7, the
Three emery wheels are the thin emery wheel of 14EF1 fillets of diamond material, a diameter of 75mm.
Other steps and parameter are identical with one of embodiment one to six.
Embodiment eight:Unlike one of present embodiment and embodiment one to seven:In step 7, the
The translational speed of three emery wheels is 800mm/min, grinding speed 20m/s.
Other steps and parameter are identical with one of embodiment one to seven.
Embodiment nine:Unlike one of present embodiment and embodiment one to eight:For steam turbine
The rough machined efficiently rose cutter processing method of blade further includes step 10:Laser inscription is carried out to cutter and cutter is wrapped
Dress.
The milling cutter produced using the method for the present invention has following features:
As shown in Fig. 5 to Fig. 8, rose cutter has 4 cutting edges, and the Probe-radius of the rose cutter is 6mm;Often
The blade surface of bar cutting edge is equipped with wave to form wave edge;The anterior angle α of each cutting edge is 2 degree, and the first of each cutting edge
Angle beta is 10 degree afterwards, and the second relief angle γ of each cutting edge is 18 degree, and the cylindrical margin width w of sword of each cutting edge is 0.15mm.
As shown in figure 9, the d1 of the wavelength of waveform portion is 1.5mm on every cutting edge, depth of convolution d2 is 0.2mm.So set
The benefit put is that increase, which is held, in working angles considers effect to be worth doing, reduces the resistance that milling cutter is subject to.The blade circumferential teeth of every cutting edge
Helixangleθ is 30 degree.The length L1 of every cutting edge is 65mm.The length L2 of chip pocket is 95mm.The direction of transfer of waveform
It is consistent with blade surface extending direction.Continuously there is wave crest and trough along the length direction of sword.Also set on the bulb of rose cutter
There is wave edge.
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, this area
Technical staff makes various corresponding changes and deformation in accordance with the present invention, but these corresponding changes and deformation should all belong to
The protection domain of appended claims of the invention.
Claims (9)
1. one kind is used for the rough machined efficiently rose cutter processing method of turbine blade, it is characterised in that including:
Step 1: operation wire cutting machine tool, hard alloy bar is cut off according to cutter length stand-by;
Step 2: operation cylindrical grinder, by the hard alloy bar after being cut off in step 1 according to 4 ° of angle clampings, and is ground out knife
Have cylindrical for 4 ° of taper;
Step 3: tool operating grinding machine, R8 bulbs are ground to by hard alloy bar;
Step 4: operating numerical control cutter sharpener, using the first wheel grinding cutter groove, the angle of inclination between emery wheel and cutter is 2 °,
It is milled to from bulb part away from untill at Bulb Surface 95mm.
Step 5: operating numerical control cutter sharpener, utilizes the second wheel grinding bulb part end tooth chip pocket;
Step 6: drawing the wave edge type line of four cutting edges using CAD software, the wave edge type line of four teeth is interspersed, paint
With .dxf form save files after system, and input into the knives routine of CNC Cutter Grinding Machine Tool;
Step 7: operating numerical control cutter sharpener, the wave edge type line in caller, using the 3rd emery wheel, be ground bulb part and
The ripple sword of circumferential teeth and thereafter knife face;
Step 8: tool operating grinding machine, is ground shank section chamfering;
Step 9: cutter is passivated processing.
2. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 1 of being used for exists
In in step 2, the cylindrical surplus of the taper is 0.6mm to 0.7mm, length 95mm.
3. according to claim 1 or 2 be used for the rough machined efficiently rose cutter processing method of turbine blade, its feature
It is, in step 4, first emery wheel is diamond material, the 1A1 parallel grinding wheels of a diameter of 100mm.
4. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 3 of being used for exists
In in step 4, translational speed of first emery wheel in cutter groove is 80mm/min, grinding speed 24m/s.
5. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 1 of being used for exists
In in step 5, the second emery wheel is the 1V1 monoclinic parallel grinding wheels of diamond material, a diameter of 100mm.
6. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 5 of being used for exists
In in step 5, the translational speed of the second emery wheel is 40mm/min, and grinding speed is 20m/s~24m/s.
7. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 1 of being used for exists
In in step 7, the 3rd emery wheel is the thin emery wheel of 14EF1 fillets of diamond material, a diameter of 75mm.
8. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 7 of being used for exists
In in step 7, the translational speed of the 3rd emery wheel is 800mm/min, grinding speed 20m/s.
9. turbine blade rough machined efficiently rose cutter processing method, its feature according to claim 1 of being used for exists
In further including step 10:Laser inscription is carried out to cutter and cutter is packed.
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CN201711484366.0A CN107953092A (en) | 2017-12-29 | 2017-12-29 | One kind is used for the rough machined efficiently rose cutter processing method of turbine blade |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108436607A (en) * | 2018-05-21 | 2018-08-24 | 浙江普菲特切削工具有限公司 | A kind of processing method of bulk metal ceramics milling cutter |
CN108465852A (en) * | 2018-06-14 | 2018-08-31 | 江门市中刀精密科技有限公司 | A kind of brill milling hinge composite cutter |
CN112692527A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of cutting knife saw |
CN113787223A (en) * | 2021-09-29 | 2021-12-14 | 中国航发航空科技股份有限公司 | Blade circumferential arc hammer foot-shaped tenon machining device and machining method thereof |
CN115365777A (en) * | 2022-08-17 | 2022-11-22 | 深圳市誉和钻石工具有限公司 | Manufacturing process of ball-end milling cutter |
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CN103111820A (en) * | 2013-03-20 | 2013-05-22 | 沈阳飞机工业(集团)有限公司 | Machining technology of tooth profile of milling cutter with wave-shaped cutter edge |
CN103418822A (en) * | 2013-07-30 | 2013-12-04 | 东方电气集团东方汽轮机有限公司 | Rough milling cutter for rotor and wheel groove of steam turbine and manufacturing technology of rough milling cutter |
US20170232532A1 (en) * | 2006-01-04 | 2017-08-17 | Kyocera Sgs Precision Tools, Inc. | Rotary cutting tool |
CN107234285A (en) * | 2017-05-17 | 2017-10-10 | 贺州学院 | A kind of profile milling cutter and its manufacture method |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20170232532A1 (en) * | 2006-01-04 | 2017-08-17 | Kyocera Sgs Precision Tools, Inc. | Rotary cutting tool |
CN103111820A (en) * | 2013-03-20 | 2013-05-22 | 沈阳飞机工业(集团)有限公司 | Machining technology of tooth profile of milling cutter with wave-shaped cutter edge |
CN103418822A (en) * | 2013-07-30 | 2013-12-04 | 东方电气集团东方汽轮机有限公司 | Rough milling cutter for rotor and wheel groove of steam turbine and manufacturing technology of rough milling cutter |
CN107234285A (en) * | 2017-05-17 | 2017-10-10 | 贺州学院 | A kind of profile milling cutter and its manufacture method |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108436607A (en) * | 2018-05-21 | 2018-08-24 | 浙江普菲特切削工具有限公司 | A kind of processing method of bulk metal ceramics milling cutter |
CN108465852A (en) * | 2018-06-14 | 2018-08-31 | 江门市中刀精密科技有限公司 | A kind of brill milling hinge composite cutter |
CN112692527A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of cutting knife saw |
CN113787223A (en) * | 2021-09-29 | 2021-12-14 | 中国航发航空科技股份有限公司 | Blade circumferential arc hammer foot-shaped tenon machining device and machining method thereof |
CN115365777A (en) * | 2022-08-17 | 2022-11-22 | 深圳市誉和钻石工具有限公司 | Manufacturing process of ball-end milling cutter |
CN115365777B (en) * | 2022-08-17 | 2024-04-02 | 深圳市誉和钻石工具有限公司 | Manufacturing process of ball end mill |
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