CN114346609A - Arc contact processing method - Google Patents
Arc contact processing method Download PDFInfo
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- CN114346609A CN114346609A CN202111663730.6A CN202111663730A CN114346609A CN 114346609 A CN114346609 A CN 114346609A CN 202111663730 A CN202111663730 A CN 202111663730A CN 114346609 A CN114346609 A CN 114346609A
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Abstract
The invention discloses an arc contact processing method, which comprises the following steps: s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.3-0.5 mm; s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.2-0.3 mm; s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.15-0.2 mm; s4: performing finish turning on the workpiece processed in the step S3 to a designed size with the precision range of 5-10 μm; the vibration cutting mode is adopted, the high-pressure water outlet function of the equipment is matched, the instruction of the equipment is realized, the machining process is not suspended, the machining is completed once, the generated chips are not wound by the cutter, the punching chips of the high-pressure water pump are taken out, and the machining efficiency of the workpiece is improved.
Description
Technical Field
The invention relates to the technical field of alloy contact processing, in particular to an arc contact processing method.
Background
The existing arc contact has low machining automation level, particularly the existing multi-variety small-batch production, frequent shape change, high requirement on a cutter in the machining process, dangerous operation of cleaning and winding chips during machining of a machine tool, the process of cleaning and turning chips must be suspended due to the problem of chip breaking in the machining process, particularly long chips in an inner hole are not continuous, the cutter bar is easily wound and broken, and the risk of collision is caused due to the fact that a workpiece has more chips and large resistance;
the chip breaking is an important link for limiting the realization of automatic processing of the arc contact, the chip breaking is difficult due to the characteristics of copper materials, the viscosity is high, the chip breaking is difficult, the processing process is wound on a cutter and a workpiece, the cutter is easy to break and the workpiece is easy to scrap, the current general processing mode is adopted, the turning chips are continuous, the processing process needs to be paused for many times, the turning chips are manually hooked out, the processing efficiency is seriously influenced due to the pause for many times, long chips generated in the processing process are wound on the cutter, the cutter is easy to break, and the workpiece is scrapped.
Disclosure of Invention
The invention aims to provide an arc contact processing method which can complete processing at one time, does not suspend the processing process to clean lathes, realizes one-person multi-machine operation, avoids the risk of pulling the lathes in the process, reduces the processing comprehensive time, improves the stability of products by one-time processing, improves the efficiency by multiple times, can realize actual batch production, reduces the labor intensity of personnel, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an arc contact processing method comprises the following steps:
s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.3-0.5 mm;
s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.2-0.3 mm;
s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.15-0.2 mm;
s4: and (5) performing finish turning on the workpiece processed in the step S3 to a designed size with the precision range of 5-10 μm.
Preferably, in steps S1 to S4, the process of each step is performed by using a vibration chip breaking method, wherein the vibration chip breaking method is that during one rotation of the spindle, the tool tower slightly moves in an amplitude direction of X, Z, non-machining time is overlapped, non-overlapping periodic machining areas are generated, regular intermittent chips are achieved, and the control format is as follows: g811, Z-50, F0.1, K0.0, P15, Q2200, G811, feeding 50mm in Z direction, feeding speed of 0.1 per revolution, rotating and vibrating for 1.5 times per circle, achieving the purpose of cutting.
Preferably, the steps S1-S4 are continuous processing, and a high-pressure water pump with the pressure of 25-35 bar is used for generating the chips, so that the generated chips are washed away from the center and the tool rest, and the processing process is not suspended.
Description of the drawings: the machining process is not suspended and does not need manual scrap pulling, the machining efficiency and the product consistency are improved, the machining time is shortened, the procedure clamping procedure and time for changing the middle process are reduced, and batch production and automatic machining are realized.
Preferably, the machine tool used in step S1, using an 8-bit bevel bed chuck, the turret supports a micro-motion amplitude function, and the system has a G811 vibration machining module.
Description of the drawings: the vibration processing module plays a good chip breaking role in the processing process, and solves the problem that viscous materials such as copper materials are difficult to cut.
Preferably, in step S1, the hydraulic jaws of the machine tool clamp the smaller end of the workpiece, the spindle speed is 300- & lt 400r/min, the hole is drilled by using the G83 command, and the feed is F0.1.
Preferably, in step S3, F0.1-0.15, the boring tool is turned roughly, the spindle speed is 700-.
Preferably, the vibration chip breaking is performed by increasing and decreasing the displacement per rotation of the main shaft in proportion to a command, the command is Q2200, and the displacement per rotation of the main shaft is multiplied by 2.2 to obtain the amplitude of the vibration chip breaking, K: cutting a Z axis, machining an arc contact part, wherein F is 0.1-0.2, P is 1.5, and the Q value is 2200;
wherein the symbols represent meanings, S: the main shaft rotation speed; x, Z: a terminal point coordinate value; u, W: a relative movement amount; f: feed per spindle revolution: p: the vibration frequency of the main shaft per rotation is 0.1: q: the conversion factor for both amplitudes, unit 0.001.
Description of the drawings: the chip breaking effect is obvious when the processing is carried out under the parameters.
Preferably, in step S4, the spindle rotation speed is 1200-1500r/min, and F0.1-0.15 is fed to process to the final product.
The machining program used in steps S1-S4 includes the following codes
O0001
M03S1200
T101M08
G0X80Z12
G72W1.2R0.5
G72P1Q2U0.1W0.1F0.12
N1G0Z-6
G1X75F0.1
G2X69Z-3R3.4
G1X61.4
G3X60Z-2.3R0.7
G1Z-0.5
X59Z0
X43
N2G1W1.0
G70P1Q2
G28U0W0
M09
M01
M03S1500
T0404M08
/M140
G0X48.0Z10
Z2
G811Z-50F0.1K0.0P15Q2200
G1U-1W1F0.2
G0Z2
X49.9
G811Z-50F0.12K0P15Q2200
G1U-1W1F0.15
G0X20.7Z-49
G71U1.2R0.5
G71P3Q4U-0.2W0.2F0.15
N3G00X49.7
G1Z-58.7F0.12
G1X24.706Z-62.068
N4G2X20.7Z-63.961R2
G0X23
G0Z2
X54
G1Z0.1F0.12
X49.9Z-2.0
U-1W1
G0Z20
G28U0W0
M09
M05
M30
％
Compared with the prior art, the invention has the beneficial effects that: the arc contact machining device is reasonable in structural design and convenient to operate, adopts a vibration cutting mode, is matched with a high-pressure water outlet function of equipment and an instruction of the equipment, realizes that the machining process is not suspended, one-time machining is finished, generated scraps are not wound by a cutter, and high-pressure water pump scraps are taken out, so that the machining efficiency of a workpiece is improved, the cost is reduced under the condition of not increasing auxiliary material tools, the machining efficiency of the arc contact is improved, scraps can be automatically broken in the machining process, the scraps do not need to be suspended and cleaned in the machining process, a plurality of procedures can be machined at one time, the machining efficiency of the arc contact is improved, the labor cost is reduced, a process safety system is increased, the machining efficiency and the product consistency are improved, the machining time is shortened, the procedure clamping procedure and time for replacing the procedures in the middle process are reduced, and the batch production and the automatic machining are realized.
Drawings
FIG. 1 is a schematic view of an arcing contact configuration of the present invention;
FIG. 2 is a schematic diagram of the tool path of the oscillating chip breaker of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-2, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Example 1:
an arc contact processing method comprises the following steps:
s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.5 mm;
s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.3 mm;
s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.2 mm;
s4: the workpiece processed in step S3 is finish-turned to a design size with a precision in the range of 10 μm.
In the steps S1 to S4, a vibration chip breaking method is adopted in the machining process of each step to perform chip breaking treatment, wherein the vibration chip breaking method is that during one rotation of the main shaft, the tool turret slightly moves along the X, Z direction in amplitude, non-machining time is overlapped, non-overlapping periodic machining areas are generated, regular intermittent chips are achieved, and the control format is as follows: g811, Z-50, F0.1, K0.0, P15, Q2200, G811, feeding 50mm in Z direction, feeding speed of 0.1 per revolution, rotating and vibrating for 1.5 times per circle, achieving the purpose of cutting.
The steps S1-S4 are continuous processing, and the generated chips are flushed away from the center and the tool rest by a 25bar high-pressure water pump, and the processing process is not suspended.
The machine tool used in step S1 uses an 8-bit inclined body chuck, the turret supports a fine motion amplitude function, and the system has a G811 vibration processing module.
In step S1, the hydraulic jaws of the machine tool clamp the smaller end of the workpiece, the spindle rotates at 300r/min, a G83 command is used to drill, and F0.1 is fed.
In step S3, F0.1-0.15, the boring cutter is turned roughly, the rotation speed of the main shaft is 700r/min, and G811 command, G811X (U), Z (W), F _ P _ Q (K), is used.
And (3) increasing and decreasing in proportion according to a command on the basis of the movement amount of the main shaft once per rotation, wherein the command is Q2200, the movement amount of the main shaft per rotation is multiplied by 2.2 to obtain the amplitude of the vibration chip breaking, and the vibration chip breaking is carried out, K: cutting a Z axis, machining an arc contact part, wherein F is 0.1-0.2, P is 1.5, and the Q value is 2200;
wherein the symbols represent meanings, S: the main shaft rotation speed; x, Z: a terminal point coordinate value; u, W: a relative movement amount; f: feed per spindle revolution: p: the vibration frequency of the main shaft per rotation is 0.1: q: the conversion factor for both amplitudes, unit 0.001.
In step S4, the main shaft rotates at 1200r/min, and F0.15 is fed to be processed into a finished product.
Example 2:
an arc contact processing method comprises the following steps:
s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.4 mm;
s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.25 mm;
s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.17 mm;
s4: the workpiece processed in step S3 is finish-turned to a designed size with a precision in the range of 7 μm.
In the steps S1 to S4, a vibration chip breaking method is adopted in the machining process of each step to perform chip breaking treatment, wherein the vibration chip breaking method is that during one rotation of the main shaft, the tool turret slightly moves along the X, Z direction in amplitude, non-machining time is overlapped, non-overlapping periodic machining areas are generated, regular intermittent chips are achieved, and the control format is as follows: g811, Z-50, F0.1, K0.0, P15, Q2200, G811, feeding 50mm in Z direction, feeding speed of 0.1 per revolution, rotating and vibrating for 1.5 times per circle, achieving the purpose of cutting.
The steps S1-S4 are continuous processing, the generated chips are washed away from the center and the tool rest by a 30bar high-pressure water pump, and the processing process is not suspended.
The machine tool used in step S1 uses an 8-bit inclined body chuck, the turret supports a fine motion amplitude function, and the system has a G811 vibration processing module.
In step S1, the hydraulic jaws of the machine tool clamp the smaller end of the workpiece, the spindle rotates at 350r/min, a hole is drilled using the G83 command, and the feed is F0.1.
In step S3, F0.1-0.15, the boring cutter is turned roughly, the rotation speed of the main shaft is 850r/min, and G811 command, G811X (U), Z (W), F _ P _ Q (K), is used.
And (3) increasing and decreasing in proportion according to a command on the basis of the movement amount of the main shaft once per rotation, wherein the command is Q2200, the movement amount of the main shaft per rotation is multiplied by 2.2 to obtain the amplitude of the vibration chip breaking, and the vibration chip breaking is carried out, K: cutting a Z axis, machining an arc contact part, wherein F is 0.1-0.2, P is 1.5, and the Q value is 2200;
wherein the symbols represent meanings, S: the main shaft rotation speed; x, Z: a terminal point coordinate value; u, W: a relative movement amount; f: feed per spindle revolution: p: the vibration frequency of the main shaft per rotation is 0.1: q: the conversion factor for both amplitudes, unit 0.001.
In step S4, the spindle rotates at 1350r/min and F0.1 is fed to the processing machine to obtain the finished product.
Example 3:
an arc contact processing method comprises the following steps:
s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.3 mm;
s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.2 mm;
s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.15 mm;
s4: the workpiece processed in step S3 is finish-turned to a design size with an accuracy in the range of 5 μm.
In the steps S1 to S4, a vibration chip breaking method is adopted in the machining process of each step to perform chip breaking treatment, wherein the vibration chip breaking method is that during one rotation of the main shaft, the tool turret slightly moves along the X, Z direction in amplitude, non-machining time is overlapped, non-overlapping periodic machining areas are generated, regular intermittent chips are achieved, and the control format is as follows: g811, Z-50, F0.1, K0.0, P15, Q2200, G811, feeding 50mm in Z direction, feeding speed of 0.1 per revolution, rotating and vibrating for 1.5 times per circle, achieving the purpose of cutting.
The steps S1-S4 are continuous processing, and the generated chips are flushed away from the center and the tool rest by a 35bar high-pressure water pump without pause in the processing process.
The machine tool used in step S1 uses an 8-bit inclined body chuck, the turret supports a fine motion amplitude function, and the system has a G811 vibration processing module.
In step S1, the hydraulic jaws of the machine tool clamp the smaller end of the workpiece, the spindle rotates at 400r/min, the hole is drilled using the G83 command, and the feed is F0.1.
In step S3, F0.1-0.15, the boring cutter is turned roughly, the main shaft speed is 1000r/min, and G811 command, G811X (U), Z (W), F _ P _ Q (K), is used.
And (3) increasing and decreasing in proportion according to a command on the basis of the movement amount of the main shaft once per rotation, wherein the command is Q2200, the movement amount of the main shaft per rotation is multiplied by 2.2 to obtain the amplitude of the vibration chip breaking, and the vibration chip breaking is carried out, K: cutting a Z axis, machining an arc contact part, wherein F is 0.1-0.2, P is 1.5, and the Q value is 2200;
wherein the symbols represent meanings, S: the main shaft rotation speed; x, Z: a terminal point coordinate value; u, W: a relative movement amount; f: feed per spindle revolution: p: the vibration frequency of the main shaft per rotation is 0.1: q: the conversion factor for both amplitudes, unit 0.001.
In step S4, the main shaft is fed at a speed of 1500r/min and F0.1, and the finished product is obtained.
The machining program used in steps S1-S4 includes the following codes
Claims (8)
1. An arc contact processing method is characterized by comprising the following steps:
s1: clamping the blank material on a hydraulic chuck of a machine tool, and performing rough drilling processing on a workpiece by using a drill bit, wherein the reserved allowance is 0.3-0.5 mm;
s2: turning and rough machining the workpiece machined in the step S1 by using a lathe, wherein the machining allowance range is 0.2-0.3 mm;
s3: processing the workpiece processed in the step S2 by using a boring cutter, and performing rough processing by using a vibration cutting method, wherein the processing allowance range is 0.15-0.2 mm;
s4: and (5) performing finish turning on the workpiece processed in the step S3 to a designed size with the precision range of 5-10 m.
2. An arcing contact processing method according to claim 1, wherein: in the steps S1 to S4, a vibration chip breaking method is adopted in the machining process of each step to perform chip breaking treatment, wherein the vibration chip breaking method is that during one rotation of the main shaft, the tool turret slightly moves along the X, Z direction in amplitude, non-machining time is overlapped, non-overlapping periodic machining areas are generated, regular intermittent chips are achieved, and the control format is as follows: g811, Z-50, F0.1, K0.0, P15, Q2200, G811, feeding 50mm in Z direction, feeding speed of 0.1 per revolution, rotating and vibrating for 1.5 times per circle, achieving the purpose of cutting.
3. An arcing contact processing method according to claim 1, wherein: and S1-S4 are continuously processed, the chips are generated by a 25-35 bar high-pressure water pump, and the generated chips are flushed away from the center and the cutter frame without pause in the processing process.
4. An arcing contact processing method according to claim 1, wherein: the machine tool used in step S1 uses an 8-bit inclined body chuck, the turret supports a fine motion amplitude function, and the system has a G811 vibration processing module.
5. An arcing contact processing method according to claim 1, wherein: in step S1, the hydraulic jaws of the machine tool clamp the smaller end of the workpiece, the spindle rotates at 300 and 400r/min, the hole is drilled by using the G83 command, and F0.1 is fed.
6. An arcing contact processing method according to claim 1, wherein: in step S3, F0.1-0.15, the boring tool is turned roughly, the rotation speed of the spindle is 700-.
7. An arcing contact processing method according to claim 6, wherein: and (3) increasing and decreasing in proportion according to a command on the basis of the movement amount of the main shaft once per rotation, wherein the command is Q2200, the movement amount of the main shaft per rotation is multiplied by 2.2 to obtain the amplitude of the vibration chip breaking, and the vibration chip breaking is carried out, K: cutting a Z axis, machining an arc contact part, wherein F is 0.1-0.2, P is 1.5, and the Q value is 2200;
wherein the symbols represent meanings, S: the main shaft rotation speed; x, Z: a terminal point coordinate value; u, W: a relative movement amount; f: feed per spindle revolution: p: the vibration frequency of the main shaft per rotation is 0.1: q: the conversion factor for both amplitudes, unit 0.001.
8. An arcing contact processing method according to claim 1, wherein: in step S4, the spindle rotation speed is 1200-.
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| CN112685872A (en) * | 2020-11-23 | 2021-04-20 | 南京航空航天大学 | Process optimization method for low-frequency vibration-assisted drilling machining |
| CN113477959A (en) * | 2021-06-03 | 2021-10-08 | 西安理工大学 | Low-frequency vibration turning tool handle and cutting machining method |
| WO2021245852A1 (en) * | 2020-06-03 | 2021-12-09 | 三菱電機株式会社 | Numerical control device, control system, and numerical control method |
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2021
- 2021-12-31 CN CN202111663730.6A patent/CN114346609A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201079847Y (en) * | 2007-07-31 | 2008-07-02 | 西安理工大学 | Step-by-step vibrating drilling device |
| CN106255571A (en) * | 2014-03-26 | 2016-12-21 | 西铁城控股株式会社 | The controlling device and possess the lathe of this control device of lathe |
| CN105563036A (en) * | 2016-01-13 | 2016-05-11 | 成都优拓优联科技有限公司 | Processing process for telescopic cylinder |
| CN109153083A (en) * | 2016-05-26 | 2019-01-04 | 住友电工硬质合金株式会社 | Vibrocutting cutter |
| WO2021245852A1 (en) * | 2020-06-03 | 2021-12-09 | 三菱電機株式会社 | Numerical control device, control system, and numerical control method |
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