CN108145187B - For processing the axial cutter and processing technology for being evenly distributed with Internal Spherical Surface slot - Google Patents
For processing the axial cutter and processing technology for being evenly distributed with Internal Spherical Surface slot Download PDFInfo
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- CN108145187B CN108145187B CN201711211680.1A CN201711211680A CN108145187B CN 108145187 B CN108145187 B CN 108145187B CN 201711211680 A CN201711211680 A CN 201711211680A CN 108145187 B CN108145187 B CN 108145187B
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- spherical surface
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- knife bar
- surface slot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/06—Profile cutting tools, i.e. forming-tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
- B23B5/40—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning spherical surfaces inside or outside
Abstract
The invention belongs to field of machining, it is related to a kind of for processing the axial cutter and processing technology for being evenly distributed with Internal Spherical Surface slot, includes molding cutter head, knife bar and screw for processing the axial cutter for being evenly distributed with Internal Spherical Surface slot；Cylindrical hole and threaded hole are provided on knife bar；Molding cutter head is arranged in the cylindrical hole of knife bar；Screw is arranged in the threaded hole of knife bar and is extruded on molding cutter head；The length of molding cutter head stretching knife bar is 1.5-2 times of the crown radius of rounded channels to be processed；Forming cutter head to stretch out the part of knife bar is integrally in fin shape；The section for forming the part that cutter head stretches out knife bar is in alphabetical N-shaped.The present invention provides a kind of and special purpose machine tool attachment angle dynamics heads match with equipment versatility it is good, convenient for it is axial be evenly distributed with the processing of Internal Spherical Surface slot for processing axially the uniformly cutter and processing technology of Internal Spherical Surface slot.
Description
Technical field
The invention belongs to field of machining, be related to it is a kind of for processing the cutter and processing method of groove body, more particularly to
A kind of cutter and processing technology being evenly distributed with Internal Spherical Surface slot for processing axial direction.
Background technique
As shown in Figure 1, it is arc-shaped that certain thin-walled parts bore area, which has axial uniformly Internal Spherical Surface slot, slot cross section at 4,
Shape, along the axial length direction not completely through, and the place of being not penetrated be spherical shape.Internal Spherical Surface slot is axially evenly distributed with for the type,
It common are following several processing methods at present:
1) by special molding plunge tooling lnner arced slot on slotting machine, uniformly distributed, disadvantage is realized by special fixture indexing
Be cannot achieve direction along the axial length not completely through uniformly distributed Internal Spherical Surface slot processing, and the precision of fixture indexing is lower.
2) it is processed in vertical machining centre using special purpose machine tool attachment angle dynamics head, angle dynamics header structure is
Using a pair of bevel gear in 90 °, the direction of rotation of main shaft is converted into horizontal direction by vertical direction, passes through spherical cutter
Horizontal direction rotation and in the horizontal direction and the orientation and indexing function of the feeding of vertical direction and main shaft, is realized axial equal
The processing of cloth Internal Spherical Surface slot.Advantage is that the spherical cutter for the standard that may be selected is processed；The disadvantage is that special purpose machine tool attachment angle is dynamic
The versatility of power head is poor, it is necessary to which by lathe, producer is customized, and it is higher (usually 200,000 or so) to design and manufacture cost.
3) processing is completed using special purpose machine tool attachment angle dynamics head on turning center, angle dynamics header structure is to utilize
The cutting direction of cutter is rotated 180 °, is radially rotated using spherical cutter by two pairs of bevel gears in 90 °, and radially and
Axial feed realizes the axial processing for being evenly distributed with Internal Spherical Surface slot.Advantage is that the spherical cutter for the standard that may be selected is processed；The disadvantage is that
The outer boom of special purpose machine tool attachment angle dynamics head first is too long, and processing rigidity is poor, and part processing quality is unstable；Secondly angle
Power head belongs to special purpose machine tool attachment, and the versatility on the turning center of different model is poor；Last angle power head is required
By lathe, producer is customized, and it is higher (usually 200,000 or so) to design and manufacture cost.
Summary of the invention
In order to solve the above technical problems in background technology, the present invention provides a kind of and special purpose machine tool attachment angles
Degree power head match with equipment versatility it is good, convenient for it is axial be evenly distributed with the processing of Internal Spherical Surface slot for processing axially uniformly Internal Spherical Surface
The cutter and processing technology of slot.
To achieve the goals above, the present invention adopts the following technical scheme:
It is a kind of for processing the axial cutter for being evenly distributed with Internal Spherical Surface slot, it is characterised in that: it is described for process it is axial it is uniformly distributed in
The cutter of rounded channels includes molding cutter head, knife bar and screw；Cylindrical hole and threaded hole are provided on the knife bar；It is described at
Type cutter head is arranged in the cylindrical hole of knife bar；The screw is arranged in the threaded hole of knife bar and is extruded on molding cutter head；Institute
Stating molding cutter head to stretch out the length of knife bar is 1.5-2 times of crown radius of rounded channels to be processed；The molding cutter head stretches out knife
The part of bar is integrally in fin shape；The section for the part that the molding cutter head stretches out knife bar is in alphabetical N-shaped.
Above-mentioned molding cutter head includes cutting part and the clamping component being connected with cutting part；The cutting part includes
Cutting edge；The cutting part is integrally in fin shape；The section of the cutting edge be in alphabetical N-shaped and with the inside ball of axis to be cut
The spherical configuration and size of face slot match；The clamping component is arranged in the cylindrical hole of knife bar and is fixed by screw.
Above-mentioned clamping component includes cylindrical bar and the directional plane that is arranged on cylindrical bar；The cylindrical bar is arranged in knife
In the cylindrical hole of bar；The screw is extruded on directional plane；The directional plane is parallel with the cutting plane of part to be cut.
Above-mentioned knife bar includes cutter bar body and the clamping directional plane that cutter bar body is arranged in；The cylindrical hole and spiral shell
Pit is respectively provided in cutter bar body.
A kind of processing technology of the cutter to axial Internal Spherical Surface slot being axially evenly distributed with Internal Spherical Surface slot based on foregoing processing,
It is characterized by: the technique the following steps are included:
1) part to be processed is clamped on the soft three-jaw of lathe spindle chuck, is determined main shaft by NC programming code
To being 0 °, machine tool chief axis fixation does not rotate；
2) molding cutter head is packed into knife bar, screw is enclosed in the threaded hole on knife bar and compresses molding cutter head；
3) according to the axial length of axial Internal Spherical Surface slot to be processed, set-up procedure 2) cutter of assembled formation stretches out machine tool
The length and compression of seat, it is ensured that the radial feed direction of the molding cutter head of the cutter of step 2) assembled formation and machine tool radial feed
Direction is overlapped；
4) it is carried out respectively in axial direction with radial to knife using the cutter of step 2) assembled formation；
5) cutter for using step 2) assembled formation completes a closed loop cutting using the programming instruction of numerically-controlled machine tool
Circulation；The closed loop cutting circulation includes E to A sections of radial direction, A to B sections of axial direction, B to C sections of radial direction, C to D sections of radial direction and axis
To D to E sections；Described A, B, C, D and E are respectively the different location of axial Internal Spherical Surface slot to be cut；Wherein: E is cutter starting
Position；A is Tool in Cutting position；B is axial cutting in-position；C is rounded channels cutting in-position；D is that cutter radial moves back
Out position；E to A sections of the radial direction are realized rapid feed using programming instruction G00；A to B sections of the axial direction use programming instruction
G01 realizes the processing of circular arc straight trough；B to C sections of the radial direction are not penetrated rounded channels using programming instruction G03 realization and process；The diameter
Withdrawing at a slow speed is realized using programming instruction G01 to C to D sections；D to E sections of the axial direction are quickly moved back using programming instruction G00 realization
Knife；
6) each radial feed 0.1mm repeats step 5) until the axial Internal Spherical Surface for meeting size that complete design requires
The cutting of slot.
Above-mentioned steps 3) in the cutter of step 2) assembled formation stretch out the length of lathe tool apron and be greater than axial Internal Spherical Surface slot
Length 10 is to 15mm.
Above-mentioned axial Internal Spherical Surface slot to be processed is one or more, and the axial Internal Spherical Surface slot to be processed is multiple
When, the processing technology is after step 6) further include:
7) live spindle to design requirement axial Internal Spherical Surface slot to be processed position, fixed machine tool chief axis do not rotate,
Step 5) and step 6) are repeated, until the cutting for the axial Internal Spherical Surface slot for meeting size that complete design requires.
When above-mentioned multiple axial Internal Spherical Surface slots to be processed are uniformly distributed, the specific implementation of the step 7) is: utilizing vehicle
The spindle index function of cutting center, by NC programming code by main shaft respectively along fixed angle clockwise or counterclockwise,
After main shaft spin orientation, it is ensured that machine tool chief axis fixation does not rotate, and repeats step 5) and step 6), it is inside to complete remaining axis
The processing of rounded channels.
The invention has the advantages that
The present invention provides a kind of for processing the axial cutter and processing technology for being evenly distributed with Internal Spherical Surface slot, with shaping
Principle realizes axial uniformly Internal Spherical Surface slot using the spindle index function of turning center by the programming technique of numerically-controlled machine tool
Processing, overcome traditional slotting machine processing performance is insufficient and special purpose machine tool attachment angle dynamics head matched with equipment versatility compared with
The limitation of difference, specifically, the invention has the following beneficial effects:
1) technique can apply to the processing of more axial type grooves, currently, technique can save purchase price
The special purpose machine tool attachment expense of 200,000 RMB of value；
2) this processes the axial cutter for being evenly distributed with Internal Spherical Surface slot and process is not limited by turning center device type,
Versatility is stronger, solves the problems, such as that the type part perplexs production for a long time and delivers, all kinds of slot parts monthly delivered
2000 more than one piece improved till now from original 100, processing efficiency are greatly improved, and satisfactory meets client couple
Quality and manufacturing schedule requirement；
3) this technology also can be widely used to Aeronautics and Astronautics, ship, automobile and the lining in other non-boat fields
In the part axials such as set, shell are uniformly distributed in the production of type groove, promote scientific and technological industrial development that there are great social and economic benefits.
Detailed description of the invention
Fig. 1 is to need to open up the structural schematic diagram of the part of Internal Spherical Surface slot in bore area；
Fig. 2 is provided by the present invention for processing the structural schematic diagram of the axial cutter for being evenly distributed with Internal Spherical Surface slot；
Fig. 3 is the structural schematic diagram of molding cutter head of the present invention；
Fig. 4 is the structural schematic diagram of knife bar of the present invention；
Fig. 5 is fabrication cycles track schematic diagram of the present invention；
Fig. 6 is another fabrication cycles track schematic diagram of the present invention；
Wherein:
1- forms cutter head；11- cutting part；111- cutting edge；12- clamping component；121- cylindrical bar；122- orientation is flat
Face；2- knife bar；21- cylindrical hole；22- threaded hole；23- clamping directional plane；24- cutter bar body；3- screw.
Specific embodiment
Referring to fig. 2, Fig. 3 and Fig. 4, the present invention provides a kind of for processing the axial cutter for being evenly distributed with Internal Spherical Surface slot, packet
Include molding cutter head 1, knife bar 2 and screw 3；Cylindrical hole 21 and threaded hole 22 are provided on knife bar 2；The setting of cutter head 1 is formed to exist
In the cylindrical hole 21 of knife bar 2；Screw 3 is arranged in the threaded hole 22 of knife bar 2 and is extruded on molding cutter head 1；Molding cutter head 1 is stretched
The length of knife bar 2 is 1.5-2 times of the crown radius of rounded channels to be processed out；The part that molding cutter head 1 stretches out knife bar 2 is integrally in
Fin shape；The section for forming the part that cutter head 1 stretches out knife bar 2 is in alphabetical N-shaped.
Molding cutter head 1 includes cutting part 11 and the clamping component 12 being connected with cutting part 11；Cutting part 11 wraps
Include cutting edge 111；Whole cutting part 11 is in fin shape；The section of cutting edge 111 is in alphabetical N-shaped and inside with axis to be cut
The spherical configuration and size of rounded channels match；Clamping component 12 is arranged in the cylindrical hole 21 of knife bar 2 and is consolidated by screw 3
It is fixed.
Clamping component 12 includes cylindrical bar 121 and the directional plane 122 being arranged on cylindrical bar 121；Cylindrical bar 121 is set
It sets in the cylindrical hole 21 of knife bar 2；Screw 3 is extruded on directional plane 122；The cutting of directional plane 122 and part to be cut
Plane is parallel.
Knife bar 2 includes cutter bar body 24 and the clamping directional plane 23 that cutter bar body 24 is arranged in；Cylindrical hole 21 and
Threaded hole 22 is respectively provided in cutter bar body 24.
Special molding cutter according to the present invention, as shown in Fig. 2, including molding cutter head 1, knife bar 2, screw 3.
Wherein:
Form cutter head 1: as shown in figure 3, being monolithic construction, including cutting part 11 and clamping component 12, wherein cutting
Cutting edge 111 in component 11 is designed and manufactures according to the spherical radius size of Internal Spherical Surface slot, and clamping component 12 includes
122 two parts of directional plane for the cylindrical bar 121 of centering and for orienting and compressing are constituted, wherein the directional plane 122
It is parallel with cutting plane.
Knife bar 2: as shown in figure 4, be monolithic construction, including cylindrical hole 21, threaded hole 22 and cutter bar body, wherein cylinder
Hole 21 is used for mounting screw 3 for being packed into special molding cutter head 1, threaded hole 22, and cutter bar body includes the cylindrical bar for centering
It is constituted with plane two parts for orienting and compressing, wherein the plane and cylindrical hole I axis and threaded hole II axis are formed
Plane is parallel.
Screw 3: knife bar 2 is clamped in for the positioning of cutter head 1 will to be formed.
A method of the axial uniformly Internal Spherical Surface slot of processing being carried out using above-mentioned cutter, is included the following steps:
Step 1: part being clamped on the soft three-jaw of lathe spindle chuck, is by orientation trouble by NC programming code
0 °, machine tool chief axis fixation does not rotate.
Step 2: as shown in figure 4, the cylindrical bar 121 for forming cutter head 1 is packed into the cylindrical hole 21 of knife bar 2, by forming cutter
The first 1 facet forward direction for orienting and compressing guarantees cutting edge 111 against the threaded hole 22 on knife bar 2, adjustment molding cutter head 1
The crown radius for the rounded channels that the length for stretching out knife bar 2 is 1.5-2 times；Screw 3 is enclosed in knife bar 2 using allen wrench
In threaded hole 22, it is pressed on the directional plane 122 of molding cutter head 1.
Step 3: according to the axial axial length for being evenly distributed with Internal Spherical Surface slot of processing, adjusting special molding cutter and stretch out machine tool
The length of seat, the typically greater than axial length 10 for being evenly distributed with Internal Spherical Surface slot to 15mm are compressed dedicated by the screw of lathe tool apron
The mounting plane of knife bar on molding cutter, it is ensured that the radial feed direction of special molding cutter head and machine tool radial feed direction weight
It closes.
Step 4: special molding cutter is carried out with radial to knife respectively in axial direction.
Step 5: as shown in figs.5 and 6, utilizing numerically-controlled machine tool using special molding cutter with shaping principle
Programming instruction, complete closed loop cutting circulation；Referring to Fig. 5 and Fig. 6, closed loop cutting circulation includes radial direction E to A
Section, A to B sections of axial direction, B to C sections of radial direction, C to D sections of radial direction and D to E sections of axial direction；A, B, C, D and E are respectively axis to be cut
The different location of inside rounded channels；Wherein: E is cutter initial position；A is Tool in Cutting position；B is that axial cutting reaches position
It sets；C is rounded channels cutting in-position；D is that cutter radial exits position；Radial E to A sections is realized fastly using programming instruction G00
Fast feed；Axial A to B sections is realized that circular arc straight trough is processed using programming instruction G01；Radial B to C sections real using programming instruction G03
Now it is not penetrated rounded channels processing；Radial C to D sections is realized withdrawing at a slow speed using programming instruction G01；Axial D to E sections is referred to using programming
G00 is enabled to realize rapid return；
Step 6: each radial feed 0.1mm repeats step 5 until meeting size requirement.
Step 7: using the spindle index function of turning center, by NC programming code by main shaft respectively along rotation clockwise
Turn 90 °, 180 °, 270 °, after each main shaft spin orientation, machine tool chief axis fixation does not rotate, and repeats step 5 and step 6, completes
The processing of axial direction Internal Spherical Surface slot at residue 3.
Embodiment 1:
As shown in Figure 1, certain inner bore of part surface need to process 4 at it is axial be evenly distributed with Internal Spherical Surface slot, which is circular arc
Shape, along the axial length direction not completely through, and the place of being not penetrated be spherical shape.It is a kind of to process such profile shaft using the present invention
To the method for uniformly distributed Internal Spherical Surface slot, include the following steps:
Step 1: part being clamped on the soft three-jaw of lathe spindle chuck, is by orientation trouble by NC programming code
0 °, machine tool chief axis fixation does not rotate.
Step 2: as shown in figure 3, the cylindrical rod section for forming cutter head is distributed into the cylindrical hole of knife bar, cutter head 1 will be formed
Directional plane forward direction against the threaded hole on knife bar, the length that the cutting edge of adjustment molding cutter head stretches out knife bar is 1.5-2 times
Rounded channels crown radius；Screw is enclosed in the threaded hole of knife bar using allen wrench, is pressed on molding cutter head
On directional plane.
Step 3: according to the axial axial length for being evenly distributed with Internal Spherical Surface slot of processing, adjusting special molding cutter and stretch out machine tool
The length of seat, is larger than the axial length 10 for being evenly distributed with Internal Spherical Surface slot to 15mm, by the screw of lathe tool apron, compress it is dedicated at
The mounting plane of knife bar on type cutter, it is ensured that the radial feed direction of special molding cutter head is overlapped with machine tool radial feed direction.
Step 4: special molding cutter is carried out with radial to knife respectively in axial direction.
Step 5: as shown in figure 5, numerical programming program and being processed.Wherein realized at E-A sections using programming instruction G00
Rapid feed is realized that circular arc straight trough is processed using programming instruction G01 in section A-B, is realized not at B-C sections using programming instruction G03
Rounded channels processing is penetrated through, realizes withdrawing at a slow speed using programming instruction G01 at C-D sections, is realized at D-E sections using programming instruction G00
Rapid return.
Step 6: each radial feed 0.1mm repeats step 5 until meeting size requirement.
Step 7: main shaft is rotated clockwise to 90 °, 180 °, 270 °, each main shaft rotation respectively by NC programming code
After turning orientation, machine tool chief axis fixation does not rotate, and repeats step 5 and step 6, completes the processing of axial direction Internal Spherical Surface slot at residue 3.
Embodiment 2:
Certain inner bore of part surface need to process 8 at it is axial be evenly distributed with Internal Spherical Surface slot, which is circular shape, along axial direction
The both direction of length direction not completely through, and the place of being not penetrated be spherical shape.It is a kind of to utilize present invention processing the type
The axial method for being evenly distributed with Internal Spherical Surface slot, includes the following steps:
Step 1: part being clamped on the soft three-jaw of lathe spindle chuck, is by orientation trouble by NC programming code
0 °, machine tool chief axis fixation does not rotate.
Step 2: preparing 1 and forward direction is formed cutter head, prepare 1 reverse molding cutter head；Wherein positive molding cutter head and reversed
Molding its design of cutter head is essentially identical, and unique difference is facet of the two for orienting and compressing at 180 ° of axial direction difference.
Step 3: the cylindrical rod section of positive molding cutter head being distributed into the cylindrical hole of knife bar, by determining for positive molding cutter head
To plane forward direction against the threaded hole on knife bar, it is 1.5-2 times that the cutting edge for adjusting positive molding cutter head, which stretches out the length of knife bar,
Rounded channels crown radius；Screw is enclosed in the threaded hole of knife bar using allen wrench, is pressed on positive forming cutter
On the directional plane of head.
Step 4: the cylindrical rod section of reverse molding cutter head being distributed into the cylindrical hole of knife bar, by the small of reverse molding cutter head
For plane forward direction against the threaded hole on knife bar, it is 1.5-2 times that the cutting edge for adjusting reverse molding cutter head, which stretches out the length of knife bar,
The crown radius of rounded channels；Screw is enclosed in the threaded hole of knife bar using allen wrench, is pressed on reverse molding cutter head
Directional plane on.
Step 5: according to the axial axial length for being evenly distributed with Internal Spherical Surface slot of processing, having adjusted separately forward and reverse special molding
Cutter stretches out the length of lathe tool apron, and the typically greater than axial length 10 for being evenly distributed with Internal Spherical Surface slot passes through lathe tool apron to 15mm
Screw, compress special molding cutter upper slitter bar mounting plane, it is ensured that the radial feed direction of special molding cutter head and lathe
Radial feed direction is overlapped.
Step 6: forward dedicated molding cutter and reverse dedicated molding cutter are carried out with radial to knife respectively in axial direction.
Step 7: according to fabrication cycles track schematic diagram as shown in Figure 5, using forward dedicated molding cutter, with slotting plus
Work principle, using interior annular groove center as cutting point, completes a cutting circulation using the programming instruction of numerically-controlled machine tool.Its
In E-A sections using programming instruction G00 realize rapid feed, section A-B using programming instruction G01 realize circular arc straight trough process,
Rounded channels are not penetrated using programming instruction G03 realization at B-C sections to process, and are moved back at a slow speed at C-D sections using programming instruction G01 realization
Knife realizes rapid return using programming instruction G00 at D-E sections.
Step 8: each radial feed 0.1mm repeats step 7 until meeting size requirement.
Step 9: according to fabrication cycles track schematic diagram as shown in Figure 6, using forward dedicated molding cutter, with slotting plus
Work principle, using interior annular groove center as cutting point, completes a cutting circulation using the programming instruction of numerically-controlled machine tool.Its
In E-A sections using programming instruction G00 realize rapid feed, section A-B using programming instruction G01 realize circular arc straight trough process,
Rounded channels are not penetrated using programming instruction G03 realization at B-C sections to process, and are moved back at a slow speed at C-D sections using programming instruction G01 realization
Knife realizes rapid return using programming instruction G00 at D-E sections.
Step 10: each radial feed 0.1mm repeats step 7 until meeting size requirement.
Step 11: main shaft rotated clockwise respectively by NC programming code 45 °, 90 °, 135 °, 180 °, 225 °,
270 °, 315 °, after each main shaft spin orientation, machine tool chief axis fixation does not rotate, and repeats step 7, step 8, step 9, step
10, complete the axial processing for being evenly distributed with Internal Spherical Surface slot at residue 7.
Claims (4)
1. a kind of technique processed based on the axial cutter for being evenly distributed with Internal Spherical Surface slot of processing to axial Internal Spherical Surface slot, the processing
The axial cutter for being evenly distributed with Internal Spherical Surface slot includes molding cutter head (1), knife bar (2) and screw (3)；It is provided on the knife bar (2)
Cylindrical hole (21) and threaded hole (22)；Molding cutter head (1) is arranged in the cylindrical hole (21) of knife bar (2)；The screw
(3) it is arranged in the threaded hole (22) of knife bar (2) and is extruded in molding cutter head (1)；The molding cutter head (1) stretches out knife bar
(2) length is 1.5-2 times of the crown radius of rounded channels to be processed；The part that molding cutter head (1) stretches out knife bar (2) is whole
Body is in fin shape；The section that molding cutter head (1) stretches out the part of knife bar (2) is in alphabetical N-shaped；
Molding cutter head (1) includes cutting part (11) and the clamping component (12) being connected with cutting part (11)；It is described
Cutting part (11) includes cutting edge (111)；The cutting part (11) is integrally in fin shape；The cutting edge (111) is cut
Face is in alphabetical N-shaped and matches with the spherical configuration of axial Internal Spherical Surface slot to be cut and size；The clamping component (12) sets
It sets in the cylindrical hole (21) of knife bar (2) and fixed by screw (3)；
The clamping component (12) includes the directional plane (122) of cylindrical bar (121) and setting on cylindrical bar (121)；Institute
Cylindrical bar (121) are stated to be arranged in the cylindrical hole (21) of knife bar (2)；The screw (3) is extruded on directional plane (122)；Institute
It is parallel with the cutting plane of part to be cut to state directional plane (122)；
The knife bar (2) includes the clamping directional plane (23) of cutter bar body (24) and setting in cutter bar body (24)；It is described
Cylindrical hole (21) and threaded hole (22) are respectively provided on cutter bar body (24)；
It is characterized by:
The technique the following steps are included:
1) part to be processed is clamped on the soft three-jaw of lathe spindle chuck, is by orientation trouble by NC programming code
0 °, machine tool chief axis fixation does not rotate；
2) molding cutter head (1) is packed into knife bar (2), screw (3) is enclosed in the threaded hole (22) on knife bar (2) Nei and will be at
Type cutter head (1) compresses；
3) according to the axial length of axial Internal Spherical Surface slot to be processed, set-up procedure 2) cutter of assembled formation stretches out lathe tool apron
Length simultaneously compresses, it is ensured that the radial feed direction of the molding cutter head (1) of the cutter of step 2) assembled formation and machine tool radial feed
Direction is overlapped；
4) it is carried out respectively in axial direction with radial to knife using the cutter of step 2) assembled formation；
5) cutter for using step 2) assembled formation completes a closed loop cutting circulation using the programming instruction of numerically-controlled machine tool；
The closed loop cutting circulation includes E to A sections of radial direction, A to B sections of axial direction, B to C sections of radial direction, C to D sections of radial direction and axial direction D to E
Section；Described A, B, C, D and E are respectively the different location of axial Internal Spherical Surface slot to be cut；Wherein: E is cutter initial position；A
It is Tool in Cutting position；B is axial cutting in-position；C is rounded channels cutting in-position；D is that cutter radial exits position；
E to A sections of the radial direction are realized rapid feed using programming instruction G00；A to B sections of the axial direction are realized circle using programming instruction G01
The processing of arc straight trough；B to C sections of the radial direction are not penetrated rounded channels using programming instruction G03 realization and process；C to D sections of the radial direction makes
Withdrawing at a slow speed is realized with programming instruction G01；D to E sections of the axial direction are realized rapid return using programming instruction G00；
6) radial feed 0.1mm every time repeats step 5) until the axial Internal Spherical Surface slot for meeting size that complete design requires
Cutting.
2. technique according to claim 1, it is characterised in that: the cutter of step 2) assembled formation stretches out in the step 3)
The length of lathe tool apron is greater than the length 10 of axial Internal Spherical Surface slot to 15mm.
3. technique according to claim 1 or 2, it is characterised in that: the axial Internal Spherical Surface slot to be processed be one or
Multiple, when the axial Internal Spherical Surface slot to be processed is multiple, the processing technology is after step 6) further include:
7) live spindle to design requirement axial Internal Spherical Surface slot to be processed position, fixed machine tool chief axis do not rotate, repeats
Step 5) and step 6), until the cutting for the axial Internal Spherical Surface slot for meeting size that complete design requires.
4. technique according to claim 3, it is characterised in that: when the axial Internal Spherical Surface slot to be processed is multiple, institute
When stating multiple axial Internal Spherical Surface slots to be processed uniformly, the specific implementation of the step 7) is: utilizing the master of turning center
Axis indexing function is rotated main shaft respectively along fixed angle clockwise or counterclockwise by NC programming code to main shaft
After orientation, it is ensured that machine tool chief axis fixation does not rotate, and repeats step 5) and step 6), completes adding for remaining axial Internal Spherical Surface slot
Work.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1103947A1 (en) * | 1983-05-11 | 1984-07-23 | Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Усср | Mehod of turning non-spherical surfaces and device for effecting same |
| CN201220276Y (en) * | 2008-06-27 | 2009-04-15 | 江苏苏新轴座有限公司 | Bearing support internal sphere circular arc lathe processing tool bit |
| CN203235984U (en) * | 2013-05-26 | 2013-10-16 | 十堰合骏实业有限公司 | Special-purpose knife for differential shell inner spherical surface |
| CN203956118U (en) * | 2014-06-26 | 2014-11-26 | 河南奔马股份有限公司 | A kind of workpiece inner sphere working gang tool |
| CN106077715A (en) * | 2016-08-04 | 2016-11-09 | 福州大学 | Small-bore interior spherical surface working device and using method thereof |
| CN205869482U (en) * | 2016-08-04 | 2017-01-11 | 福州大学 | Spherical surface machining device in little aperture |
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2017
- 2017-11-28 CN CN201711211680.1A patent/CN108145187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1103947A1 (en) * | 1983-05-11 | 1984-07-23 | Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Усср | Mehod of turning non-spherical surfaces and device for effecting same |
| CN201220276Y (en) * | 2008-06-27 | 2009-04-15 | 江苏苏新轴座有限公司 | Bearing support internal sphere circular arc lathe processing tool bit |
| CN203235984U (en) * | 2013-05-26 | 2013-10-16 | 十堰合骏实业有限公司 | Special-purpose knife for differential shell inner spherical surface |
| CN203956118U (en) * | 2014-06-26 | 2014-11-26 | 河南奔马股份有限公司 | A kind of workpiece inner sphere working gang tool |
| CN106077715A (en) * | 2016-08-04 | 2016-11-09 | 福州大学 | Small-bore interior spherical surface working device and using method thereof |
| CN205869482U (en) * | 2016-08-04 | 2017-01-11 | 福州大学 | Spherical surface machining device in little aperture |
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| CN108145187A (en) | 2018-06-12 |
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