CN113399747A - Regular hexahedron reflector single-point diamond machine tool and machining method thereof - Google Patents
Regular hexahedron reflector single-point diamond machine tool and machining method thereof Download PDFInfo
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- CN113399747A CN113399747A CN202110721962.6A CN202110721962A CN113399747A CN 113399747 A CN113399747 A CN 113399747A CN 202110721962 A CN202110721962 A CN 202110721962A CN 113399747 A CN113399747 A CN 113399747A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses a regular hexahedron reflector single-point diamond machine tool and a processing method thereof, wherein the single-point diamond machine tool comprises a single-point diamond machine tool main shaft and a single-point diamond machine tool B shaft, the single-point diamond machine tool main shaft and the single-point diamond machine tool B shaft are fixedly arranged on a marble platform with a horizontal top surface and correspond to each other from left to right, a fly cutter head is fixedly connected to the single-point diamond machine tool main shaft, and a processing jig for mounting a regular hexahedron reflector is fixedly connected to the single-point diamond machine tool B shaft; the regular hexahedron reflector can be finely processed by a diamond cutter arranged on the flying cutter head. The regular hexahedron reflector single-point diamond machine tool and the machining method thereof can not cause the condition of poor surface quality of workpieces, and can not cause the condition of poor machining quality of corners due to interference between the corners and cutters, the tower difference of the machined workpieces meets the specification requirement, and the machining efficiency can be greatly improved.
Description
Technical Field
The invention relates to the technical field of processing regular hexahedron reflectors by single-point diamond machine tools, in particular to a regular hexahedron reflector single-point diamond machine tool and a processing method thereof.
Background
With the continuous progress and development of scientific technology, optical elements obtained by common processing methods cannot meet a plurality of application occasions with high precision requirements, and especially in the fields of national defense and military, aerospace, biomedicine and the like, the demand for ultra-precise optical elements is more urgent. The ultra-precise aluminum alloy reflector is used as an important component of a plurality of advanced instruments and equipment, and plays an important role in the whole optical system. Therefore, in order to meet the processing requirements of these optical elements, a single-point diamond cutting technique has been developed, which can greatly improve the processing precision compared with the conventional processing method, so that the single-point diamond cutting technique is the most important means for processing high-quality aluminum alloy reflectors.
At present, a regular hexahedron reflector is machined on a single-point diamond machine tool mainly by adopting slow tool servo machining, the machining method is that a workpiece is installed on a C shaft, a cutter is installed on a Z shaft, the X shaft performs interpolation in the circumferential diameter direction while the C shaft rotates, the Z shaft performs cutting motion in the depth direction, and each surface of the regular hexahedron reflector is machined in an interpolation mode through XZC three-shaft linkage.
The existing slow knife servo processing mode has the following defects:
1. because the cutter is fixedly installed on the Z axis, and when the regular hexahedron reflector rotates on the C axis, the angle of each surface is changing, so the front angle of the cutter is constantly changing when machining, and when the front angle is changed into a negative front angle, the machined surface quality is poor.
2. When the regular hexahedron reflector rotates to the intersection point of each surface on the C axis, the corner of a workpiece and the rear angle of a cutter form interference due to sudden change of the angle, and the machining quality of each corner of the regular hexahedron reflector is poor.
3. Because each surface of the regular hexahedron reflector is processed by XZC interpolation, the precision errors of each axis of a machine tool can be accumulated, the flatness of each processed surface is not good, and the tower difference of the regular hexahedron reflector exceeds the allowed precision requirement.
4. Because the workpiece is processed by the XZC three-axis linkage, the acceleration of each axis determines the processing rotating speed and the processing rotating speed determines the processing time during linkage processing, the acceleration of each axis of the single-point diamond machine tool is lower, and the acceleration of the X axis and the Z axis is only 0.2G, so that the processing rotating speed is lower, the processing efficiency is low, and the processing time is long.
Disclosure of Invention
The invention aims to solve the technical problem of providing a regular hexahedron reflector single-point diamond machine tool and a machining method thereof, wherein the regular hexahedron reflector single-point diamond machine tool can solve the machining quality of a regular hexahedron reflector, improve the machining efficiency and meet the high-requirement precision requirement and efficiency and productivity of the regular hexahedron reflector of a customer.
In order to solve the technical problems, the invention is realized by the following technical scheme: a regular hexahedron reflector single-point diamond machine tool comprises a transversely arranged single-point diamond machine tool main shaft and a vertically arranged single-point diamond machine tool B shaft, wherein the single-point diamond machine tool main shaft and the single-point diamond machine tool B shaft are fixedly arranged on a marble platform with a horizontal top surface and correspond to each other from left to right; the flying cutter head consists of a cutter mounting head and a chassis, the end surfaces of the cutter mounting head and the chassis are in a circular structure, and the cutter mounting head and the chassis are fixedly connected together through a connecting rod; at least two cutter containing grooves with the same interval are arranged on the circumferential surface of the cutter containing disc, a diamond cutter with a cutter head corresponding to the processing jig is arranged in one cutter containing groove, and a balancing weight is arranged in at least one of the other cutter containing grooves on the cutter containing disc; the cutter loading device is characterized in that a plurality of dynamic balance adjusting holes which are uniformly distributed at equal intervals are respectively arranged on the circumferential surfaces of the cutter loading disc and the chassis, the dynamic balance adjusting holes are threaded holes, dynamic balance adjusting screws are screwed in the dynamic balance adjusting holes, and the dynamic balance adjusting holes in the cutter loading disc are kept away from the cutter loading groove.
Furthermore, the processing jig is composed of a base with a circular end face, a positioning column and a limiting bulge; the reference column sets up at the top surface center of base, spacing protruding setting is at the top surface center of reference column, spacing bellied diameter is less than the diameter of reference column, spacing protruding outside with form the ladder groove between the reference column top surface, regular hexahedron speculum cup joints in spacing bellied outside and passes through the ladder groove is spacing.
Further, the angles of the bottoms of the tool containing grooves are different.
Further, the knife containing grooves are four in number.
Further, the outer circle of the bottom surface of the processing jig is coaxial with the outer circle of the mounting surface of the regular hexahedron reflector.
Further, the central axis of the flying cutter head coincides with the axis of the single-point diamond machine tool spindle.
A machining method of a regular hexahedron reflector single-point diamond machine tool comprises the following steps:
A. mounting the flying cutter head on a main shaft of a single-point diamond machine tool, calibrating the meter, enabling the flying cutter head to be overlapped with the axis of the main shaft, and then locking;
B. installing a diamond cutter on a flying cutter disc, selecting one of cutter installing grooves on the flying cutter disc according to the use condition of the cutter and the difference of a processing workpiece, installing the diamond cutter and locking and fixing the cutter to enable the diamond cutter and the flying cutter disc to be connected into a stable whole;
C. the counterweight block is arranged in the tool containing groove and is locked and fixed, so that the counterweight block and the flying cutter head are connected into a stable whole;
D. dynamic balance software on the single-point diamond machine tool is used for adjusting dynamic balance, and dynamic balance adjustment of the flying cutter head is carried out by adjusting a cutter head and a chassis arranged in the flying cutter head;
E. in order to ensure the symmetrical precision of the regular hexahedron reflector relative to the axis of the regular hexahedron reflector, a processing jig is fixedly mounted on a B shaft of a single-point diamond machine tool through bolts, the outer circle of the processing jig is calibrated, and then the regular hexahedron reflector is mounted on a limiting bulge to fix the regular hexahedron reflector;
F. rotating the B axis of the single-point diamond machine tool, and calibrating the meter to enable one surface of the regular hexahedron reflector to be parallel to the X axis of the single-point diamond machine tool;
G. the single-point diamond machine tool spindle drives the flying cutter disc to rotate at a certain speed, the surface of the regular hexahedron reflector, which is parallel to the X axis of the single-point diamond machine tool, is cut at a proper speed along the X axis direction, after the cutting is finished, the B axis of the single-point diamond machine tool rotates to process the next surface, and the like is carried out until six surfaces of the regular hexahedron reflector are processed.
And further, the axis jumping of the flywheel disc and the single-point diamond machine tool spindle in the step A is controlled within +/-1 micron.
And furthermore, the dynamic balance of the flying cutter head in the step D reaches within 2 nanometers of the processing requirement. And furthermore, the jumping between the excircle of the processing jig in the step E and the axis of the B shaft of the single-point diamond machine tool is controlled within +/-1 micron.
Compared with the prior art, the invention has the advantages that: the workpiece is fixed when the flying cutter is used for cutting and machining, and the included angle between the flying cutter and the workpiece is fixed and unchanged, so that the situation that the machined surface quality is poor when the front angle is changed into a negative front angle can not be caused; meanwhile, the condition that the corner is interfered with a cutter to cause poor corner processing quality can not occur; when each surface is machined by the fly cutter, only the X axis moves, so that the occurrence of multi-axis accumulated errors during linkage is eliminated, and the tower difference of the machined workpiece meets the specification requirement; the motion of the X axis is uniform and acceleration and deceleration are not generated during fly cutter cutting processing, so that the limitation of the maximum acceleration of the axis has no influence on processing, the processing can be performed at the speed as fast as possible within the speed range limited by a machine tool, and the processing efficiency can be greatly improved.
Drawings
FIG. 1 is a schematic perspective view of a regular hexahedron reflector single-point diamond machine tool according to the present invention;
FIG. 2 is a schematic side view of a regular hexahedron reflector single point diamond machine tool according to the present invention;
FIG. 3 is a schematic structural diagram of a flying cutter head in a regular hexahedron reflector single-point diamond machine tool according to the invention;
FIG. 4 is a schematic structural view of a machining jig in a regular hexahedron reflector single-point diamond machine tool according to the invention.
In the figure: 1. a single point diamond machine tool spindle; 2. a flying cutter head; 21. installing a cutter head; 211. a cutter installing groove; 22. a chassis; 221. connecting holes; 23. a connecting rod; 24. a dynamic balance adjusting hole; 3. a diamond knife; 4. a balancing weight; 5. a regular hexahedral mirror; 6. processing a jig; 61. a base; 611. positioning holes; 62. a positioning column; 621. a stepped groove; 63. a limiting bulge; 631. a threaded fixing hole; 7. b axis of single point diamond machine tool; 8. a marble platform.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 and 2 show a regular hexahedron reflector single-point diamond machine tool, the single-point diamond machine tool comprises a single-point diamond machine tool spindle 1 arranged horizontally and a single-point diamond machine tool B shaft 7 arranged vertically, the single-point diamond machine tool spindle 1 and the single-point diamond machine tool B shaft 7 are fixedly arranged on a marble platform 8 with a horizontal top surface and correspond to each other left and right, a flyer disc 2 is fixedly connected to the single-point diamond machine tool spindle 1 through bolts, the flyer disc 2 is made of 7075 aluminum material with small density and high strength, the structural strength is guaranteed, the weight is reduced as much as possible, the connection surface between the flyer disc 2 and the single-point diamond machine tool spindle 1 is flat enough, seamless connection with the single-point diamond machine tool spindle 1 is guaranteed, and shaking is eliminated; the processing jig 6 for installing the regular hexahedron reflector 5 is fixedly connected to the B shaft 7 of the single-point diamond machine tool through bolts, the processing jig 6 is machined by selecting P20 die steel, the connection surface of the processing jig 6 and the B shaft 7 of the single-point diamond machine tool is flat enough, seamless connection is guaranteed when the processing jig is connected with the B shaft 7 of the single-point diamond machine tool, and the influence of shaking on processing is eliminated.
As shown in fig. 3, the flying cutter head 2 is composed of a cutter loading head 21 and a chassis 22, the end surfaces of which are in a circular structure, and the cutter loading head 21 and the chassis 22 are fixedly connected together through a connecting rod 23 and are in an i-shaped structure; the bottom of the chassis 22 is horizontal, a plurality of connecting holes 221 which are communicated from left to right are formed in the position, close to the edge, of the end face in a circular array at equal intervals along the circumferential direction of the chassis, and the chassis 22 is fixedly installed on the single-point diamond machine tool spindle 1 through bolts penetrating through the connecting holes 211;
when the flywheel disc 2 has uneven mass distribution, the inertia main shaft of the flywheel disc 2 is inconsistent with the rotation main shaft when the flywheel disc 2 rotates at a high speed, so that the sum of the centrifugal resultant force and the moment of couple on the rotor is not zero, and the rotor vibrates. In the fly cutter processing of the single-point diamond machine tool, the vibration of the fly cutter head 2 can cause large errors in the cutting process; the existence of vibration can accelerate the improper wearing and tearing of cutter, greatly reduced the life of cutter, along with the improvement of main shaft rotational speed, inertial centrifugal force will increase with the square multiple moreover, when cutter and work piece contact, because of the difference of work piece shape, material, the radial force of feeding back the main shaft also is constantly changing, and this can lead to the wearing and tearing of lathe main shaft.
In order to ensure that the mass distribution of the whole fly cutter head 2 is uniform, four knife containing grooves 211 with the same interval are arranged on the circumferential surface of the knife containing disc 21, the four knife containing grooves 211 are designed symmetrically, a diamond cutter 3 with a cutter head corresponding to the processing jig 6 is fixedly installed in one knife containing groove 211 through a bolt, and a balancing weight 4 with the shape, the size and the mass similar to those of the diamond cutter 3 is fixedly installed in the other knife containing groove 211 opposite to the diamond cutter 3 on the knife containing disc 21 through a bolt, so that the requirements of a system on dynamic balance are met, and the action of centrifugal force is effectively reduced; twelve dynamic balance adjusting holes 24 which are uniformly distributed at equal intervals are respectively arranged on the circumferential surfaces of the cutter loading disc 21 and the chassis 22, the dynamic balance adjusting holes 24 are threaded holes, dynamic balance adjusting screws which are in threaded fit with the dynamic balance adjusting holes are screwed in the dynamic balance adjusting holes 24, the dynamic balance of the whole flying cutter disc system can be finely adjusted through the dynamic balance adjusting screws, and the dynamic balance adjusting holes 24 on the cutter loading disc 21 avoid the cutter loading groove 211; as shown in fig. 4, the processing jig 6 is composed of a base 61 with a circular end face, a positioning column 62 and a limiting protrusion 63; the bottom surface of the base 61 is horizontal, a plurality of positioning holes 611 which are communicated up and down are arranged at the position, close to the edge, of the top surface in a circular array at equal intervals along the circumferential direction of the base, and the base 61 is fixedly arranged on a B shaft 7 of the single-point diamond machine tool by penetrating through the positioning holes 611 through bolts; reference column 62 sets up the top surface center at base 61, spacing protruding 63 sets up the top surface center at reference column 62, integrated into one piece about spacing protruding 63, reference column 62 and the base 61, just spacing protruding 63's diameter is less than reference column 62's diameter, spacing protruding 63 outside with form the ladder groove 621 between the reference column 62 top surface, regular hexahedron speculum 5 cup joints in spacing protruding 63's the outside and passes through the ladder groove 621 is spacing, and the parallelism should be guaranteed with regular hexahedron speculum 5's installation face to processing tool 6, spacing protruding 63's top surface center is provided with and is used for adjusting hexahedron speculum 5 fixed positioning's thread fixing hole 631 well.
In order to select the assembly angles of different diamond cutters 3 according to requirements when a workpiece is processed, the angles of the bottoms of the four cutter containing grooves 211 on the cutter containing disc 21 are different.
In order to ensure the processing precision, the outer circle of the bottom surface of the processing jig 6 is coaxial with the outer circle of the mounting surface of the regular hexahedron reflector 5; the central axis of the flying cutter head 2 coincides with the axis of the single-point diamond machine tool spindle 1.
A machining method of a regular hexahedron reflector single-point diamond machine tool comprises the following steps:
A. installing the flying cutter head 2 on the single-point diamond machine tool spindle 1 through twelve fixing screws, calibrating the meter to enable the flying cutter head 2 to be overlapped with the spindle axis, controlling the axis jumping of the flying cutter head 2 and the single-point diamond machine tool spindle 1 within +/-1 micron, and then locking the twelve fixing screws;
B. installing the diamond cutter 3 on the flying cutter disc, selecting one of the four cutter containing grooves 211 on the flying cutter disc 2 according to the use condition of the cutter and the difference of a processed workpiece, installing the diamond cutter 3 and locking and fixing the diamond cutter by using a screw for fixing the cutter so as to ensure that the diamond cutter 3 and the flying cutter disc 2 are connected into a stable whole;
C. the balancing weight 4 is arranged in the tool containing groove 211 opposite to the diamond cutter 3 and is locked and fixed by a fixing screw, so that the balancing weight and the fly cutter 2 are connected into a stable whole;
D. adjusting dynamic balance by using dynamic balance software on a single-point diamond machine tool, and adjusting the dynamic balance of the flying cutter head 2 by adjusting twelve screws on the outer circles of the cutter head 21 and the chassis 22 in the flying cutter head 2, wherein the dynamic balance of the flying cutter head 2 is within 2 nanometers of the processing requirement;
E. in order to ensure the symmetry precision of the regular hexahedron reflector 5 relative to the axis, the processing jig 6 is fixedly mounted on the single-point diamond machine tool B shaft 7 through bolts, the outer circle of the processing jig 6 is calibrated, the jumping of the outer circle of the processing jig 6 and the axis of the single-point diamond machine tool B shaft 7 is controlled within +/-1 micron, then the regular hexahedron reflector 5 is mounted on the limiting protrusion 6 through the stepped groove 621, and the regular hexahedron reflector 5 is fixed through screws matched with the thread fixing holes 631;
F. rotating the B shaft 7 of the single-point diamond machine tool, and calibrating the meter to enable one surface of the regular hexahedron reflector 5 to be parallel to the X shaft of the single-point diamond machine tool;
G. the single-point diamond machine tool spindle 1 drives the flying cutter disc 2 to rotate at a certain speed, the surface of the regular hexahedron reflector 5 parallel to the X axis of the single-point diamond machine tool is cut at a proper speed along the X axis direction, after the cutting is finished, the B axis 7 of the single-point diamond machine tool rotates by 60 degrees, the next surface is processed, and the like until six surfaces of the regular hexahedron reflector 5 are processed.
The workpiece is fixed when the flying cutter is used for cutting and machining, and the included angle between the flying cutter and the workpiece is fixed and unchanged, so that the situation that the machined surface quality is poor when the front angle is changed into a negative front angle can not be caused; meanwhile, the condition that the corner is interfered with a cutter to cause poor corner processing quality can not occur; when each surface is machined by the fly cutter, only the X axis moves, so that the occurrence of multi-axis accumulated errors during linkage is eliminated, and the tower difference of the machined workpiece meets the specification requirement; the motion of the X axis is uniform and acceleration and deceleration are not generated during fly cutter cutting processing, so that the limitation of the maximum acceleration of the axis has no influence on processing, the processing can be performed at the speed as fast as possible within the speed range limited by a machine tool, and the processing efficiency can be greatly improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A regular hexahedron reflector single-point diamond machine tool comprises a transversely arranged single-point diamond machine tool spindle (1) and a vertically arranged single-point diamond machine tool B shaft (7), wherein the single-point diamond machine tool spindle (1) and the single-point diamond machine tool B shaft (7) are fixedly arranged on a marble platform (8) with a horizontal top surface and correspond to each other left and right, and the regular hexahedron reflector single-point diamond machine tool is characterized in that a fly cutter (2) is fixedly connected to the single-point diamond machine tool spindle (1), and a processing jig (6) for mounting a regular hexahedron reflector (5) is fixedly connected to the single-point diamond machine tool B shaft (7); the flying cutter head (2) consists of a cutter loading head (21) and a chassis (22) with end surfaces in a circular structure, and the cutter loading head (21) and the chassis (22) are fixedly connected together through a connecting rod (23); at least two cutter containing grooves (211) with the same interval are formed in the circumferential surface of the cutter containing disc (21), a diamond cutter (3) with a cutter head corresponding to the processing jig (6) is installed in one cutter containing groove (211), and a balancing weight (4) is installed in at least one of the rest cutter containing grooves (211) in the cutter containing disc (21); dynamic balance adjusting holes (24) which are uniformly distributed at equal intervals are respectively formed in the circumferential surfaces of the loading cutter disc (21) and the chassis (22), the dynamic balance adjusting holes (24) are threaded holes, dynamic balance adjusting screws are screwed in the dynamic balance adjusting holes, and the dynamic balance adjusting holes (24) in the loading cutter disc (21) are avoided by the tool loading groove (211).
2. The regular hexahedron reflector single-point diamond machine tool according to claim 1, wherein the processing jig (6) is composed of a base (61) with a circular end face, a positioning column (62) and a limiting protrusion (63); reference column (62) set up the top surface center at base (61), spacing arch (63) set up the top surface center at reference column (62), the diameter of spacing arch (63) is less than the diameter of reference column (62), spacing arch (63) outside with form ladder groove (621) between reference column (62) the top surface, regular hexahedron speculum (5) cup joint in the outside of spacing arch (63) and pass through ladder groove (621) are spacing.
3. The cubic mirror single point diamond machine tool according to claim 1, wherein the bottom angles of the pocket grooves (211) are different.
4. A regular hexahedral mirror single point diamond machine tool according to claim 1, wherein there are four tool loading slots (211).
5. The regular hexahedron reflector single-point diamond machine tool according to claim 1, wherein the outer circle of the bottom surface of the processing jig (6) is coaxial with the outer circle of the mounting surface of the regular hexahedron reflector (5).
6. A regular hexahedral mirror single point diamond machine tool according to claim 1, characterized in that the central axis of the flying disc (2) coincides with the axis of the single point diamond machine tool spindle (1).
7. A machining method of a regular hexahedron reflector single-point diamond machine tool is characterized by comprising the following steps:
A. mounting the flying cutter head (2) on a main shaft (1) of a single-point diamond machine tool, calibrating a meter, enabling the flying cutter head (2) to be overlapped with the axis of the main shaft, and then locking;
B. installing a diamond cutter (3) on a flying cutter disc, selecting one of cutter installing grooves (211) on the flying cutter disc (2) according to the use condition of the cutter and the difference of a processing workpiece, installing the diamond cutter (3) and locking and fixing the cutter to enable the diamond cutter to be connected with the flying cutter disc (2) into a stable whole;
C. the counterweight block (4) is arranged in the tool containing groove (211) and is locked and fixed, so that the counterweight block and the flying cutter head (2) are connected into a stable whole;
D. dynamic balance software on a single-point diamond machine tool is used for adjusting dynamic balance, and dynamic balance adjustment of the flying cutter head (2) is carried out by adjusting a cutter head (21) and a chassis (22) in the flying cutter head (2);
E. in order to ensure the symmetry precision of the regular hexahedron reflector (5) relative to the axis, a processing jig (6) is fixedly mounted on a B shaft (7) of the single-point diamond machine tool through bolts, the outer circle of the processing jig (6) is calibrated, and then the regular hexahedron reflector (5) is mounted on a limiting bulge (63) to fix the regular hexahedron reflector (5);
F. rotating the B shaft (7) of the single-point diamond machine tool, and calibrating the meter to enable one surface of the regular hexahedron reflector (5) to be parallel to the X shaft of the single-point diamond machine tool;
G. the single-point diamond machine tool spindle (1) drives the flying cutter disc (2) to rotate at a certain speed, the surface of the regular hexahedron reflector (5) parallel to the X axis of the single-point diamond machine tool is cut at a proper speed along the X axis direction, after the cutting is finished, the B axis (7) of the single-point diamond machine tool rotates to process the next surface, and the rest is done in the same way until six surfaces of the regular hexahedron reflector (5) are processed.
8. The machining method of the regular hexahedron reflector single-point diamond machine tool according to claim 7, characterized in that the axis runout of the flywheel disc (2) and the single-point diamond machine tool spindle (1) in the step A is controlled within +/-1 micron.
9. The machining method of the regular hexahedron reflector single-point diamond machine tool according to claim 7, characterized in that the dynamic balance of the flying cutter head (2) in the step D is within 2 nanometers of the machining requirement.
10. The machining method of the regular hexahedron reflector single-point diamond machine tool according to claim 7, wherein the runout between the outer circle of the machining jig (6) and the axis of the B shaft (7) of the single-point diamond machine tool in the step E is controlled within +/-1 micron.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147539A (en) * | 2021-11-16 | 2022-03-08 | 中机智能装备创新研究院(宁波)有限公司 | Cylindrical surface machining device and clamping deviation judgment method for cylindrical surface included angle |
| CN114179228A (en) * | 2021-10-21 | 2022-03-15 | 华粹智能装备有限公司 | Ultraprecise multi-surface prism fly-cutting machining machine tool |
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