CN106799512A - A kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile - Google Patents
A kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile Download PDFInfo
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- CN106799512A CN106799512A CN201710103558.6A CN201710103558A CN106799512A CN 106799512 A CN106799512 A CN 106799512A CN 201710103558 A CN201710103558 A CN 201710103558A CN 106799512 A CN106799512 A CN 106799512A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 24
- 239000000956 alloy Substances 0.000 title claims abstract description 24
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- 238000003801 milling Methods 0.000 claims abstract description 140
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 229910000997 High-speed steel Inorganic materials 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/34—Milling grooves of other forms, e.g. circumferential
Abstract
A kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile, it is related to the manufacture field of turbo rotor groove., in order to solve the processing of existing turbo rotor groove using high-speed steel milling cutter, the rotating speed that there is milling cutter is relatively low with the amount of feeding, causes the processing efficiency of turbo rotor groove low, and cutter life is short, tool change time problem long for the present invention.The present invention is comprised the following steps：The clamping of step one, rotor；Step 2, the datum mark for finding processing；Step 3, the first flute profile for rough milling rotor；Step 4, the first flute profile of detection；Second flute profile of step 5, half finish-milling rotor；Step 6, the second flute profile of detection；The groove-shaped of step 7, finish-milling rotor；Step 8, detection groove-shaped.Milling cutter of the invention is whole hard alloy wheel groove milling cutter, and rotating speed and the amount of feeding of whole hard alloy wheel groove milling cutter increase, and are effectively improved processing efficiency.Processing of the present invention for turbo rotor groove.
Description
Technical field
The present invention relates to a kind of method of use milling cutter processing rotor race, and in particular to one kind is added using hard alloy cutter
The method of work turbine rotor molded line flute profile.
Background technology
The processing of turbo rotor groove is the mostly important ring of turbine making industry, and turbine rotor is gyroscope wheel
Wide structure, the race processed on rotor is special flute profile, and flute profile is uniformly distributed on rotor, and the flute profile can not time processing
Complete, it is necessary to be processed could be shaped one by one with three milling cutters, three are respectively roughing milling cutter, half milling cutter and milling cutter, three milling cutter
Milling cutter is served as in milling different tasks.The processing of existing turbo rotor groove uses high-speed steel milling cutter, exists
The rotating speed of milling cutter is relatively low with the amount of feeding, causes the processing efficiency of turbo rotor groove low, and cutter life is short, tool change time
Problem long.And then a kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile is provided.
The content of the invention
The invention aims to solve the processing of existing turbo rotor groove using high-speed steel milling cutter, there is milling
The rotating speed of knife is relatively low with the amount of feeding, causes the processing efficiency of turbo rotor groove low, and cutter life is short, and tool change time is long
Problem.And then a kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile is provided.
The technical scheme is that：
A kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile, methods described includes following step
Suddenly：
The clamping of step one, rotor：
By cylindrical rotor clamping of the bounce less than 0.012mm on lathe；
Step 2, the datum mark for finding processing：
By milling cutter clamping on lathe chuck, make milling cutter end face that gapless is contacted with rotor outer circle, now on lathe
The coordinate points of display are used as the datum mark for processing flute profile；
Step 3, the first flute profile for rough milling rotor：
Milling cutter is removed, by roughing milling cutter clamping on lathe chuck, roughing milling cutter processes the first flute profile, the cutting of roughing milling cutter
Parameter is：Rotating speed 550r/min~600r/min, amount of feeding 55mm/min~60mm/min；
Step 4, the first flute profile of detection：
When roughing milling cutter is machined during rotor one is enclosed after last first flute profile, roughing milling cutter is removed, taper is detected
Rod clamping on lathe chuck, first the first flute profile of roughing milling cutter processing on taper test bar alignment rotor, when taper detection
When the taper of rod is cylindrical inconsistent with first upper and lower gap of the first flute profile of roughing milling cutter processing, machine tooling rotor groove is illustrated
Skewness, then need to adjust lathe indexing system, until the first of the cylindrical processing with roughing milling cutter of the taper of taper test bar
Untill the individual upper and lower gap of first flute profile is consistent；If cylindrical first the first groove with roughing milling cutter processing of the taper of taper test bar
The upper and lower gap of shape is consistent, then the indexing system of lathe is without adjustment；
Second flute profile of step 5, half finish-milling rotor：
Roughing milling cutter is removed, by half milling cutter clamping on lathe chuck, half milling cutter processes the second flute profile on rotor,
The cutting parameter of half milling cutter is：Rotating speed 610r/min~620r/min, amount of feeding 64mm/min~65mm/min；
Step 6, the second flute profile of detection：
The second flute profile is detected using taper test bar, detection process is consistent with step 4；
The groove-shaped of step 7, finish-milling rotor：
Half milling cutter is removed, by milling cutter clamping on lathe chuck, milling cutter processes groove-shaped on rotor, essence
The cutting parameter of milling cutter is：Rotating speed 600r/min~620r/min, amount of feeding 63mm/min~65mm/min；
Step 8, detection groove-shaped：
It is whether accurate with detection sample post detection groove-shaped after milling cutter machines groove-shaped, such as detection sample post with
Groove-shaped is matched completely, then the processing dimension of groove-shaped is qualified, if detection sample post is not matched completely with groove-shaped, is counted
The gap between detection sample post and groove-shaped is calculated, then proceedes to process groove-shaped, until detection sample post is complete with groove-shaped
Full matching, so far, completes the processing to molded line flute profile.
Further, the cutting parameter of the roughing milling cutter in step 3 is：Rotating speed 575r/min, amount of feeding 57.5mm/min.
Further, the cutting parameter of half milling cutter in step 5 is：Rotating speed 615r/min, amount of feeding 64.5mm/
min。
Further, the cutting parameter of the milling cutter in step 7 is：Rotating speed 610r/min, amount of feeding 64mm/min.
Further, roughing milling cutter, half milling cutter and milling cutter are whole hard alloy wheel groove milling cutter.
Further, taper is surveyed between check bar and the second flute profile and is provided with gap.
Further, the first flute profile is taper flute profile.
Further, groove-shaped is the last profile of rotor groove processing.
Further, the profile of the second flute profile 0.30mm smaller than the profile of groove-shaped.
The present invention has the following effects that compared with prior art：
1st, roughing milling cutter of the invention, half milling cutter and milling cutter 3 are whole hard alloy wheel groove milling cutter, and overall hard is closed
Compared with traditional high-speed steel roughing milling cutter, rotating speed and the amount of feeding all increase golden roughing milling cutter, processing efficiency improve 20% with
On, tool bit life more than 1 times.
2nd, compared with traditional milling cutter of high-speed steel half, rotating speed and the amount of feeding are all substantially carried the milling cutter of whole hard alloy half
Height, and saved tool change time, processing efficiency improves more than 50%, more than 2 times of tool bit life.
3rd, compared with traditional high-speed steel milling cutter, rotating speed and the amount of feeding are all significantly improved whole hard alloy milling cutter 3,
And save tool change time, processing efficiency improves more than 70%, more than 3 times of tool bit life.
4 compared with the processing of traditional turbo rotor groove, and the present invention detects the first groove using taper test bar 4
Shape 6-4 and the second flute profile 6-3, is detected using 4 pairs of processing races of taper test bar, ensure that race is uniform on rotor
Distribution.
Brief description of the drawings
Fig. 1 is the structural representation of rotor groove；
Fig. 2 is structural representation of the milling cutter 3 to knife；
Fig. 3 is the structural representation that roughing milling cutter processes the first flute profile 6-2；
Fig. 4 is the structural representation that half milling cutter processes the second flute profile 6-3；
Fig. 5 is schematic enlarged-scale views of the Fig. 4 at A；
Fig. 6 is the structural representation that milling cutter 3 processes groove-shaped 6-4；
Fig. 7 is the structural representation that taper check bar detection rotor groove indexes situation；
Fig. 8 is schematic enlarged-scale views of the Fig. 7 at B；
Fig. 9 is to detect that sample post 5 detects the structural representation of groove-shaped 6-4.
Specific embodiment
Specific embodiment one：Present embodiment is illustrated with reference to Fig. 1 to Fig. 9, a kind of of present embodiment is closed using hard
The method of golden tool sharpening turbine rotor molded line flute profile, the described method comprises the following steps：
The clamping of step one, rotor 6：
By cylindrical rotor 6 clamping of the bounce less than 0.012mm on lathe；
Step 2, the datum mark for finding processing：
By the clamping of milling cutter 3 on lathe chuck 7, milling cutter end face 3-1 is set to contact gapless with rotor outer circle 6-1, this
When lathe on show coordinate points as processing flute profile datum mark；
Step 3, the first flute profile 6-2 for rough milling rotor 6：
Milling cutter 3 is removed, by roughing milling cutter clamping on lathe chuck 7, roughing milling cutter processes the first flute profile 6-2, roughing milling cutter
Cutting parameter be：Rotating speed 550r/min~600r/min, amount of feeding 55mm/min~60mm/min；
Step 4, the first flute profile 6-2 of detection：
When roughing milling cutter is machined during rotor 6 one is enclosed after last first flute profile 6-2, roughing milling cutter is removed, by taper
The clamping of test bar 4 on lathe chuck 7, first the first flute profile 6-2 of roughing milling cutter processing on the alignment rotor 6 of taper test bar 4,
When the taper of taper test bar 4 is cylindrical inconsistent with first the first upper and lower gap of flute profile 6-2 of roughing milling cutter processing, machine is illustrated
Bed the race skewness of processing rotor 6, then need adjust lathe indexing system, until the taper of taper test bar 4 it is cylindrical with
Untill first the first upper and lower gap of flute profile 6-2 of roughing milling cutter processing is consistent；If the taper of taper test bar 4 it is cylindrical with rough mill
First the first upper and lower gap of flute profile 6-2 of knife processing is consistent, then the indexing system of lathe is without adjustment；
Second flute profile 6-3 of step 5, half finish-milling rotor 6：
Roughing milling cutter is removed, by half milling cutter clamping on lathe chuck 7, half milling cutter processes the second groove on rotor 6
Shape 6-3, the cutting parameter of half milling cutter is：Rotating speed 610r/min~620r/min, amount of feeding 64mm/min~65mm/min；
Step 6, the second flute profile 6-3 of detection：
The second flute profile 6-3 is detected using taper test bar 4, detection process is consistent with step 4；
The groove-shaped 6-4 of step 7, finish-milling rotor 6：
Half milling cutter is removed, by the clamping of milling cutter 3 on lathe chuck 7, milling cutter 3 processes the 3rd groove on rotor 6
Shape 6-4, the cutting parameter of milling cutter 3 is：Rotating speed 600r/min~620r/min, amount of feeding 63mm/min~65mm/min；
Step 8, detection groove-shaped 6-4：
Detect whether groove-shaped 6-4 is accurate, such as examines with detection sample post 5 after milling cutter 3 machines groove-shaped 6-4
Test sample post 5 is matched completely with groove-shaped 6-4, then the processing dimension of groove-shaped 6-4 is qualified, if detection sample post 5 and the 3rd
Flute profile 6-4 is not matched completely, calculates the gap between detection sample post 5 and groove-shaped 6-4, then proceedes to processing groove-shaped 6-
4, until detection sample post 5 is matched completely with groove-shaped 6-4, so far, complete the processing to molded line flute profile.
Specific embodiment two：Illustrate present embodiment with reference to Fig. 3, the step of present embodiment three in roughing milling cutter cut
Cutting parameter is：Rotating speed 575r/min, amount of feeding 57.5mm/min.It is arranged such, roughing milling cutter is solid cemented carbide milling cutter, is rough milled
Knife smoothly processes the first flute profile 6-2, and compared with high-speed steel milling cutter, rotating speed and the amount of feeding have all been carried solid cemented carbide milling cutter
Height, processing efficiency improves more than 20%, 1 times of tool bit life.Other compositions and annexation and specific embodiment one
It is identical.
Specific embodiment three：Half essence in the step of illustrating present embodiment, present embodiment with reference to Fig. 4 and Fig. 5 five
The cutting parameter of milling cutter is：Rotating speed 615r/min, amount of feeding 64.5mm/min.It is arranged such, half milling cutter is that overall hard is closed
Golden milling cutter, half milling cutter processes the second flute profile 6-3, solid cemented carbide milling cutter compared with high-speed steel milling cutter, rotating speed with feeding
Amount is all significantly improved, and has saved tool change time, and processing efficiency improves more than 50%, more than 2 times of tool bit life.Its
It constitutes identical with specific embodiment one or two with annexation.
Specific embodiment four：In the step of present embodiment, present embodiment being illustrated with reference to Fig. 1 to Fig. 3 and Fig. 5 seven
The cutting parameter of milling cutter 3 is：Rotating speed 610r/min, amount of feeding 64mm/min.It is arranged such, milling cutter 3 is that overall hard is closed
Golden milling cutter, milling cutter 3 smoothly processes groove-shaped 6-4, solid cemented carbide milling cutter compared with high-speed steel milling cutter, rotating speed with enter
All significantly improved to amount, and saved tool change time, processing efficiency improves more than 70%, 3 times of tool bit life.Other
Composition and annexation are identical with specific embodiment one, two or three.
Specific embodiment five：Present embodiment, the roughing milling cutter of present embodiment, half milling cutter and essence are illustrated with reference to Fig. 2
Milling cutter 3 is whole hard alloy wheel groove milling cutter.It is arranged such, is effectively improved the rotating speed and the amount of feeding of cutter, and save
Tool change time, processing efficiency improves more than 20%, cutter life more than 1 times.Other composition and annexation with it is specific
Implementation method one, two, three or four are identical.
Specific embodiment six：Present embodiment is illustrated with reference to Fig. 4, Fig. 7 and Fig. 8, the taper of present embodiment surveys check bar 4
Gap 6-5 is provided between the second flute profile 6-3.Other compositions and annexation and specific embodiment one, two, three, four or five
It is identical.
Specific embodiment seven：Present embodiment is illustrated with reference to Fig. 3, the first flute profile 6-2 of present embodiment is taper groove
Shape.It is arranged such, taper flute profile is conducive to half milling cutter that the second flute profile 6-3 is processed on rotor 6.Other compositions and connection are closed
System is identical with specific embodiment one, two, three, four, five or six.
Specific embodiment eight：Present embodiment, the groove-shaped 6-4 of present embodiment are illustrated with reference to Fig. 1 Fig. 6 and Fig. 9
It is the last profile of rotor groove processing.It is arranged such, disclosure satisfy that the processing request of the race of rotor 6.Other compositions and connection
Relation is identical with specific embodiment one, two, three, four, five or six.
Specific embodiment nine：Present embodiment, the profile ratio of the second flute profile 6-3 of present embodiment are illustrated with reference to Fig. 5
The small 0.30mm of profile of groove-shaped 6-4.It is arranged such, the second flute profile 6-3 provides allowance for groove-shaped 6-4.Other
Composition and annexation are identical with specific embodiment one, two, three, four, five or six.
Claims (9)
1. a kind of method that utilization hard alloy cutter processes turbine rotor molded line flute profile, it is characterised in that：Methods described bag
Include following steps：
The clamping of step one, rotor (6)：
By cylindrical rotor (6) clamping of bounce less than 0.012mm on lathe；
Step 2, the datum mark for finding processing：
By milling cutter (3) clamping on lathe chuck (7), milling cutter end face (3-1) is set to be contacted continuously with rotor outer circle (6-1)
Gap, the coordinate points for now being shown on lathe are used as the datum mark for processing flute profile；
Step 3, the first flute profile (6-2) for rough milling rotor (6)：
Milling cutter (3) is removed, by roughing milling cutter clamping on lathe chuck (7), roughing milling cutter processes the first flute profile (6-2), rough mills
The cutting parameter of knife is：Rotating speed 550r/min~600r/min, amount of feeding 55mm/min~60mm/min；
Step 4, the first flute profile of detection (6-2)：
When roughing milling cutter is machined during rotor (6) is enclosed after last first flute profile (6-2), roughing milling cutter is removed, by taper
To on lathe chuck (7), taper test bar (4) is directed at first first of roughing milling cutter processing on rotor (6) to test bar (4) clamping
Flute profile (6-2), when the taper of taper test bar (4) is cylindrical and the upper and lower gap of first the first flute profile (6-2) of roughing milling cutter processing
When inconsistent, machine tooling rotor (6) race skewness is illustrated, then need to adjust lathe indexing system, until taper is examined
Survey the cylindrical processing with roughing milling cutter of taper of rod (4) the upper and lower gap of first the first flute profile (6-2) it is consistent untill；If taper is examined
The taper for surveying rod (4) is cylindrical consistent with roughing milling cutter the is processed upper and lower gap of first the first flute profile (6-2), then the indexing system of lathe
System is without adjustment；
Second flute profile (6-3) of step 5, half finish-milling rotor (6)：
Roughing milling cutter is removed, by half milling cutter clamping on lathe chuck (7), half milling cutter processes the second groove on rotor (6)
Shape (6-3), the cutting parameter of half milling cutter is：Rotating speed 610r/min~620r/min, amount of feeding 64mm/min~65mm/min；
Step 6, the second flute profile of detection (6-3)：
The second flute profile (6-3) is detected using taper test bar (4), detection process is consistent with step 4；
The groove-shaped (6-4) of step 7, finish-milling rotor (6)：
Half milling cutter is removed, by milling cutter (3) clamping on lathe chuck (7), milling cutter (3) processes on rotor (6)
Groove-shaped (6-4), the cutting parameter of milling cutter (3) is：Rotating speed 600r/min~620r/min, amount of feeding 63mm/min~
65mm/min；
Step 8, detection groove-shaped (6-4)：
Detect whether groove-shaped (6-4) is accurate with detection sample post (5) after milling cutter (3) machines groove-shaped (6-4),
Such as detect that sample post (5) is matched completely with groove-shaped (6-4), then the processing dimension of groove-shaped (6-4) is qualified, if detection sample
Post (5) is not matched completely with groove-shaped (6-4), calculates the gap between detection sample post (5) and groove-shaped (6-4), then
Continue to process groove-shaped (6-4), until detection sample post (5) is matched completely with groove-shaped (6-4), so far, complete to molded line
The processing of flute profile.
2. the method that a kind of utilization hard alloy cutter according to claim 1 processes turbine rotor molded line flute profile, its
It is characterised by：The cutting parameter of the roughing milling cutter in step 3 is：Rotating speed 575r/min, amount of feeding 57.5mm/min.
3. the method that a kind of utilization hard alloy cutter according to claim 2 processes turbine rotor molded line flute profile, its
It is characterised by：The cutting parameter of half milling cutter in step 5 is：Rotating speed 615r/min, amount of feeding 64.5mm/min.
4. the method that a kind of utilization hard alloy cutter according to claim 3 processes turbine rotor molded line flute profile, its
It is characterised by：The cutting parameter of the milling cutter (3) in step 7 is：Rotating speed 610r/min, amount of feeding 64mm/min.
5. the method that a kind of utilization hard alloy cutter according to claim 4 processes turbine rotor molded line flute profile, its
It is characterised by：Roughing milling cutter, half milling cutter and milling cutter (3) are whole hard alloy wheel groove milling cutter.
6. the method that a kind of utilization hard alloy cutter according to claim 1 processes turbine rotor molded line flute profile, its
It is characterised by：Taper is surveyed between check bar (4) and the second flute profile (6-3) and is provided with gap (6-5).
7. the method that a kind of utilization hard alloy cutter according to claim 1 processes turbine rotor molded line flute profile, its
It is characterised by：First flute profile (6-2) is taper flute profile.
8. the method that a kind of utilization hard alloy cutter according to claim 1 processes turbine rotor molded line flute profile, its
It is characterised by：Groove-shaped (6-4) is the last profile of rotor groove processing.
9. the method that a kind of utilization hard alloy cutter according to claim 1 processes turbine rotor molded line flute profile, its
It is characterised by：Profile small 0.30mm of the profile of the second flute profile (6-3) than groove-shaped (6-4).
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| CN107552850A (en) * | 2017-09-01 | 2018-01-09 | 恒锋工具股份有限公司 | A kind of leaf slot milling processing technology |
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