CN114603395B - Process optimization device and method for metal cutting machining mode - Google Patents
Process optimization device and method for metal cutting machining mode Download PDFInfo
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- CN114603395B CN114603395B CN202210220665.8A CN202210220665A CN114603395B CN 114603395 B CN114603395 B CN 114603395B CN 202210220665 A CN202210220665 A CN 202210220665A CN 114603395 B CN114603395 B CN 114603395B
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a process optimizing device and a process optimizing method for a metal cutting machining mode, wherein the process optimizing device comprises a supporting water tank and a recovery system, and the recovery system comprises a valve, a water pump, a first water pipe, a second water pipe, a third water pipe, a recovery tank and a filter screen; the process of the process optimization method comprises the following steps: the water pump adds viscous liquid to the supporting water tank; determining that the height of the viscous liquid meets the processing requirement; the machine tool realizes that the cutting edge of the cutter is immersed in viscous liquid for cutting; and after the processing is finished, the valve is opened to recycle the viscous liquid. The invention reduces the thermal coupling effect, reduces the cutting force in the processing process, realizes the improvement of the quality of the processed surface and improves the processing efficiency.
Description
Technical Field
The invention belongs to the technical field of metal cutting processing, and particularly relates to a metal cutting process optimizing device and method.
Background
With the continuous increase of thrust-weight ratio and service life of aeroengines, engine parts are evolving towards high temperature, high pressure ratio and high reliability. In order to meet the use conditions of high temperature, high pressure, high rotating speed and high load, the manufacturing process of key rotating components such as an engine compressor disk and the like is required to meet extremely high precision requirements, and strict control of the integrity of a machined surface is also required, so that the quality of the machined surface is improved, the defects and damage of the machined surface are inhibited, and the fatigue performance and service life of key parts are ensured.
The current research and development of the titanium alloy milling technology in the literature indicate that titanium alloys are increasingly widely applied in engineering. The titanium alloy has the advantages of excellent high-temperature performance, high specific strength and the like, is an ideal high-light material for manufacturing working parts in a high-temperature environment, and is widely applied to the aviation field. However, these advantages also lead to efficient, high quality cutting of titanium alloys with a number of technical challenges. Research shows that when the titanium alloy material is cut, the workpiece is easy to deform under the action of cutting force in the cutting process due to the small elastic modulus of the titanium alloy, so that the geometric accuracy of the part is difficult to ensure; in addition, the rebound of the machined surface causes an increase in cutting force of the tool flank, which tends to cause cutting vibration, and reduces the quality of the machined surface. So far, no good auxiliary processing method can obviously reduce the cutting force in the titanium alloy cutting process and improve the surface processing quality.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a process optimizing device and a process optimizing method for a metal cutting machining mode, wherein the process optimizing device comprises a supporting water tank and a recovery system, and the recovery system comprises a valve, a water pump, a first water pipe, a second water pipe, a third water pipe, a recovery tank and a filter screen; the process of the process optimization method comprises the following steps: the water pump adds viscous liquid to the supporting water tank; determining that the height of the viscous liquid meets the processing requirement; the machine tool realizes that the cutting edge of the cutter is immersed in viscous liquid for cutting; and after the processing is finished, the valve is opened to recycle the viscous liquid. The invention reduces the thermal coupling effect, reduces the cutting force in the processing process, realizes the improvement of the quality of the processed surface and improves the processing efficiency.
The technical scheme adopted for solving the technical problems is as follows:
a process optimizing device of a metal cutting processing mode comprises a supporting water tank and a recovery system; the recovery system comprises a valve, a water pump, a first water pipe, a second water pipe, a third water pipe, a recovery tank and a filter screen;
the supporting water tank is horizontally arranged on the machine tool workbench; the supporting water tank is fixedly connected with the machine tool workbench through bolts; a special fixture is arranged in the supporting water tank and used for fixing a workpiece; the support water tank is filled with viscous liquid, and the workpiece is placed in the viscous liquid; the side wall of the supporting water tank is provided with a viscous liquid recovery port, and the valve is arranged at the viscous liquid recovery port at the outer side of the supporting water tank; a viscous liquid inlet is arranged at a position, higher than the viscous liquid recovery port, of the side wall of the supporting water tank;
one end of the first water pipe is provided with a pagoda head which is connected with the viscous liquid recovery port; when the valve is in a closed state, viscous liquid cannot be discharged, and when the valve is opened, the viscous liquid flows to the recovery tank through the first water pipe under the action of gravity; the recovery tank is horizontally arranged on the fixed surface, and the other end of the first water pipe is fixed on the recovery tank; one end of the second water pipe is fixed on the recovery tank, the other end of the second water pipe is connected with an input interface of the water pump, and the filter screen is arranged at the input interface of the water pump and is used for filtering workpiece cuttings and impurities; one end of the third water pipe is connected with an output interface of the water pump, and the other end of the third water pipe is fixedly connected with the viscous liquid inlet;
when the height of the viscous liquid in the supporting water tank is larger than a preset high threshold value, opening the valve to discharge the viscous liquid until the height of the viscous liquid is reduced to a preset low threshold value, and closing the valve; when the height of the viscous liquid in the supporting water tank is lower than a preset low threshold value, the water pump is started to add the viscous liquid into the supporting water tank until the height value of the viscous liquid in the supporting water tank reaches the preset high threshold value.
Preferably, a spring is arranged in the valve and used for controlling the opening and closing of the valve.
Preferably, the material for supporting the water tank is an acrylic plate.
Preferably, the viscous liquid is a neutral liquid with a viscosity of more than 500mm 2 /s。
Preferably, the filter screen is fixed at the input interface of the water pump through a lock catch.
A process optimization method of a metal cutting processing mode comprises the following steps:
step 1: setting a supporting water tank;
designing a supporting water tank according to the specification of the machine tool, wherein an acrylic plate is selected as a material of the supporting water tank; the height of the supporting water tank is higher than that of the tool handle of the machine tool, and the supporting water tank is filled with viscous liquid; a water pump and a recovery box are arranged beside the supporting water tank, and the water pump is used for pumping viscous liquid into the supporting water tank; the bottom of the supporting water tank is provided with a through hole which is used for connecting the workbench and the workpiece by a mounting bolt; a viscous liquid recovery hole is arranged on the side surface of the supporting water tank, and viscous liquid is recovered through the viscous liquid recovery hole;
step 2: determining an origin of the cutter;
after the workpiece is leveled and aligned, the cutter is installed, the position of the cutter is adjusted, the origin of the cutter is confirmed, and the origin of the cutter is recorded into a feed program;
step 3: selection and addition of a viscous liquid;
the viscous liquid is neutral liquid with viscosity of more than 500mm 2 S; the height of the viscous liquid in the supporting water tank is required to be over the cutter-workpiece contact surface, the height of the viscous liquid is required to be over the whole cutting edge of the machining cutter, and the viscous liquid cannot be over the part of the machine tool for clamping the cutter handle;
step 4: metal cutting processing;
the machining process of metal cutting machining is carried out in a viscous liquid, and chips generated in the cutting machining process float in the viscous liquid;
step 5: recycling and reusing the viscous liquid;
after the cutting process is finished, the part after the process is finished is disassembled; firstly, discharging viscous liquid, opening a valve, enabling the viscous liquid to flow into a recovery tank under the action of gravity, and disassembling parts after the viscous liquid completely flows into the recovery tank;
during the next processing, the cuttings and impurities are filtered in the recovery tank through the filter screen, and the filtered viscous liquid is input into the supporting water tank through the water pump for the next processing.
The beneficial effects of the invention are as follows:
1. according to the invention, metal cutting processing is carried out in the viscous liquid, and the surface quality of the processed material is improved through the lubrication and vibration reduction effects of the viscous liquid; theoretical analysis and experiments prove that the cutting force during processing can be reduced by processing in viscous liquid, so that the processing stability is improved, and the processing surface quality of a workpiece is improved; the cooling effect of the viscous liquid reduces the cutting heat generated in the processing process, and on the other hand, the surface quality of the processed part is ensured from the source; in addition, by processing in a viscous liquid, attenuation of processing noise can be achieved by utilizing the characteristics of vibration reduction and energy absorption of the viscous liquid.
2. The method is easy to master, is suitable for different kinds of workpieces, does not depend on a machine tool structure and a numerical control system, and has strong practicability.
3. In the method, the coupling effect between the cutting heat and the cutting force is considered, the viscous liquid is added by changing the processing environment, and the advantages of lubrication, cooling, vibration reduction, energy absorption and the like of the viscous liquid are utilized, so that the thermal coupling effect is reduced, the cutting force in the processing process is reduced, the quality of the processed surface is improved, and the processing efficiency is improved.
4. The method considers various viscous liquids, carries out multiple experiments, takes the quality of the processed surface and the cutting force as feedback variables for changing various viscous liquids, and then carries out multiple iterations to obtain the optimal solution, so that the processing cutting force is smaller and the processing quality is better.
Drawings
FIG. 1 is a schematic diagram of a process optimization device according to the present invention.
FIG. 2 is a schematic view of the structure of the process optimizing apparatus of the present invention when processing a workpiece.
FIG. 3 is a graph of milling force versus time for one cycle of an embodiment of the present invention, wherein (a) X-direction milling force, (b) Y-direction milling force, and (c) Z-direction milling force.
In the figure, a 1-valve, a 2-water pump, a 3-first water pipe, a 4-second water pipe, a 5-third water pipe, a 6-recovery box, a 7-filter screen, an 8-special fixture, a 9-workpiece, a 10-workbench, an 11-milling cutter and a 12-machine tool spindle system.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Aiming at the problem that the existing auxiliary processing method is difficult to improve the cutting quality of difficult-to-process materials, the invention adds a universal container with wider application range in the metal cutting process, and adds viscous liquid in the universal container, and the friction coefficient of a cutting interface is reduced by the viscous liquid so as to achieve the effect of lubrication and cooling; by reducing the cutting force and cutting heat in the cutting process, the quality of the processed surface is improved, and meanwhile, the abrasion of a cutter and the processing noise pollution can be reduced. After the processing is finished, the viscous liquid can be effectively recovered, the production and processing cost is reduced, and the environment is protected. Because the surface machining quality results of the machining materials are different under different auxiliary machining method layouts, the invention provides a novel machining mode based on improving the metal cutting environment for optimizing the machining quality, and provides a certain theoretical guiding meaning for reducing the cutting force and improving the machining quality in the metal cutting process.
As shown in fig. 1 and 2, a process optimizing apparatus for a metal cutting machining mode includes a supporting water tank and a recovery system; the recovery system comprises a valve 1, a water pump 2, a first water pipe 3, a second water pipe 4, a third water pipe 5, a recovery tank 6 and a filter screen 7;
the supporting water tank is horizontally arranged on the machine tool workbench; the supporting water tank is fixedly connected with the machine tool workbench through bolts; a special fixture 8 is arranged in the supporting water tank and is used for fixing a workpiece 9; the support water tank is filled with viscous liquid, and the workpiece 9 is placed in the viscous liquid; the side wall of the supporting water tank is provided with a viscous liquid recovery port, and the valve 1 is arranged at the viscous liquid recovery port at the outer side of the supporting water tank; a viscous liquid inlet is arranged at a position, higher than the viscous liquid recovery port, of the side wall of the supporting water tank;
one end of the first water pipe 3 is provided with a pagoda head which is connected with the viscous liquid recovery port; when the valve 1 is in a closed state, viscous liquid cannot be discharged, and when the valve 1 is opened, the viscous liquid flows to the recovery tank 6 through the first water pipe 3 under the action of gravity; the recovery tank 6 is horizontally arranged on the fixed surface, and the other end of the first water pipe 3 is fixed on the recovery tank 6; one end of the second water pipe 4 is fixed on the recovery box 6, the other end of the second water pipe 4 is connected with an input interface of the water pump 2, the filter screen 7 is arranged at the input interface of the water pump 2 and is fixed by adopting a lock catch, and the filter screen can be replaced timely, so that chips and other impurities are completely separated in the repeated utilization process of viscous liquid, and cannot enter a motor damage gear of the water pump 2; one end of the third water pipe 5 is connected with an output interface of the water pump 2, and the other end of the third water pipe 5 is fixedly connected with the viscous liquid inlet;
when the height of the viscous liquid in the supporting water tank is larger than a preset high threshold value, opening the valve 1 to discharge the viscous liquid until the height of the viscous liquid is reduced to a preset low threshold value, and closing the valve 1; when the height of the viscous liquid in the supporting water tank is lower than a preset low threshold value, the water pump 2 is started to add the viscous liquid into the supporting water tank until the height value of the viscous liquid in the supporting water tank reaches the preset high threshold value.
Preferably, a spring is arranged in the valve 1 for controlling the opening and closing of the valve 1.
Preferably, the material for supporting the water tank is an acrylic plate.
Preferably, the viscous liquid is a neutral liquid with a viscosity of more than 500mm 2 /s。
Preferably, the filter screen 7 is fixed at the input interface of the water pump 2 through a lock catch.
A process optimization method of a metal cutting processing mode comprises the following steps:
step 1: setting a supporting water tank;
designing a supporting water tank according to the specification of the machine tool, wherein an acrylic plate is selected as a material of the supporting water tank; the height of the supporting water tank is higher than that of the tool handle of the machine tool, and the supporting water tank is filled with viscous liquid; a water pump 2 and a recovery tank 6 are arranged beside the supporting water tank, and the water pump 2 is used for pumping viscous liquid into the supporting water tank; the bottom of the supporting water tank is provided with a through hole which is used for installing bolts to connect the workbench and the workpiece 9; a viscous liquid recovery hole is arranged on the side surface of the supporting water tank, and viscous liquid is recovered through the viscous liquid recovery hole;
step 2: determining an origin of the cutter;
after the workpiece 9 is leveled and aligned, the cutter is installed, the position of the cutter is adjusted, the origin of the cutter is confirmed, and the origin of the cutter is recorded into a feed program;
step 3: selection and addition of a viscous liquid;
the viscous liquid is neutral liquid with viscosity greater than 500mm 2 S; the height of the viscous liquid in the supporting water tank is required to be over the cutter-workpiece contact surface, the height of the viscous liquid is required to be over the whole cutting edge of the machining cutter, and the viscous liquid cannot be over the part of the machine tool for clamping the cutter handle;
step 4: metal cutting processing;
the machining process of metal cutting machining is carried out in a viscous liquid, and chips generated in the cutting machining process float in the viscous liquid;
step 5: recycling and reusing the viscous liquid;
after the cutting process is finished, the part after the process is finished is disassembled; firstly, discharging viscous liquid, opening a valve 1, enabling the viscous liquid to flow into a recovery tank 6 under the action of gravity, and disassembling parts after the viscous liquid completely flows into the recovery tank 6;
during the next processing, the cuttings and impurities are filtered in the recovery tank 6 by the filter screen 7, and the filtered viscous liquid is fed into the supporting water tank for the next processing by the water pump 2.
Specific examples:
1. setting the specification of a processing water tank.
Firstly, designing a water tank according to the specification of a machine tool, wherein an acrylic plate is selected as a water tank material, so that the requirement on hardness can be met, and the price and the cost are low; on the other hand, the transparent material can ensure that the addition height of the viscous liquid and the real-time processing state of the processing are observed in real time, and the smooth processing of the processing process is ensured. The height of the water tank can be higher than that of the tool handle of the machine tool, a corresponding water pump and a recovery box are arranged beside the water tank, the water pump is used for pumping viscous liquid into the water tank to facilitate processing, and on the other hand, the viscous liquid is pumped back into the recovery box after the processing is finished, so that the recycling function is achieved. Not only can reduce the cost, but also saves the resources, and accords with the green development concept proposed by the country. The bottom of the water tank is provided with a through hole, and the through hole is used for installing a bolt to connect the workbench and the workpiece; the side sets up the recovery hole, retrieves viscous liquid through the recovery hole.
2. And determining the origin of the cutter before numerical control machining.
And (5) performing tool installation after leveling and aligning the workpiece, and then confirming the origin of the tool. And determining the origin of the cutter by adjusting the position of the cutter and utilizing a cutter setting block or a cutter setting blade, and recording the origin of the cutter into a cutter feeding program.
3. Selection and addition of viscous liquids.
First, a neutral and harmless viscous liquid is selected, and when the viscosity of the viscous liquid is small, the liquid may splash due to the too high rotation speed of the cutter during metal cutting processing. When the amount of the viscous liquid added is small, the lubricating and cooling effects are not achieved, and the cutting heat and the cutting reduction cannot be reducedSmall cutting forces. Therefore, the selection of the viscous liquid requires the selection of the viscosity of more than 500mm 2 S to avoid liquid splashing during processing; the height of the viscous liquid is required to be added to be beyond the contact surface of the cutter and the workpiece, and the height of the viscous liquid is required to be beyond the whole cutting edge of the machining cutter, but not beyond the part of the machine tool for clamping the cutter handle, so that the resistance of the cutter during rotation is reduced, and unnecessary resistance in the cutting process is avoided.
4. And (5) performing metal cutting machining.
After the preparation of the preamble work is completed, the processing is started. The whole processing process is carried out in the viscous liquid, and the viscous liquid replaces the cutting liquid, so that the viscous liquid can be neutral, and the processing process is harmless to workers. Since the entire machining environment is immersed in the viscous liquid, chips generated during the cutting process are also floated in the viscous liquid.
5. And (5) recycling and reutilizing the viscous liquid.
After the cutting process is completed, the finished part needs to be disassembled. Firstly, we drain viscous liquid, a through hole is arranged on the side face of the water tank, a valve is arranged above the through hole, and after the valve is opened, the viscous liquid flows into the recovery tank under the action of gravity. The viscous liquid can be completely flowed into the recovery box to detach the parts.
In the next processing, impurities such as chips are filtered in a recovery tank through a filter screen, and the filtered viscous liquid is used for the next processing through a water pump.
Further, in an embodiment, the method may further include:
1. controlling the metal working process to process in a current mode, wherein the working mode of the metal working process comprises: a detection mode, a positioning mode, a recovery mode; the metal processing process completes one complete processing after one period.
Detecting whether the installation of the water tank affects feed;
determining an origin of the tool;
designing a feed program based on the original point of the cutter and the installation position of the water tank;
the specific requirements of the feed program include:
the interference with the water tank is avoided;
the device does not interfere with the mounting bolt;
based on a feed program, the metal cutting processing technology optimizing method is adjusted, and specifically comprises the following steps:
and determining the cutting edge feeding highest height of the cutter according to a feeding program, wherein the adding height of the viscous liquid just exceeds the feeding highest height, and the processing cannot be influenced by the excessive height.
2. The working modes specifically comprise:
a detection mode, in which the detection mode is used for detecting whether the water tank affects the cutting process;
a positioning mode, wherein the positioning mode is used for determining the circle center point of the work of the cutter;
and a recovery mode for recovering the viscous liquid after the completion of the processing.
3. The process optimization device can also comprise an electronic device, and specifically comprises:
the control unit is used for controlling the operation of the water pump;
the adjusting unit is used for adjusting the adding height of the viscous liquid based on the height value of the cutter handle; wherein, the value of cutter handle of a knife height specifically includes:
all the heights of the cutting edge of the cutter pass through in the feeding procedure.
When the value of the adding height of the viscous liquid is larger than a preset high threshold corresponding to the current working mode of the system, opening the valve to discharge the viscous liquid until the height of the viscous liquid is reduced to a preset low threshold, and closing the valve; and when the value of the viscous liquid adding height is lower than a preset low threshold corresponding to the current working mode of the system, continuously controlling the water pump to add the viscous liquid until the value of the viscous liquid height reaches the preset high and low threshold. As shown in fig. 3, a graph of milling force versus milling force in one cycle for a tool is shown, where (a) X-direction milling force, (b) Y-direction milling force, and (c) Z-direction milling force.
Claims (6)
1. The process optimizing device for the metal cutting machining mode is characterized by comprising a supporting water tank and a recovery system; the recovery system comprises a valve, a water pump, a first water pipe, a second water pipe, a third water pipe, a recovery tank and a filter screen;
the supporting water tank is horizontally arranged on the machine tool workbench; the supporting water tank is fixedly connected with the machine tool workbench through bolts; a special fixture is arranged in the supporting water tank and used for fixing a workpiece; the support water tank is filled with viscous liquid, and the workpiece is placed in the viscous liquid; the side wall of the supporting water tank is provided with a viscous liquid recovery port, and the valve is arranged at the viscous liquid recovery port at the outer side of the supporting water tank; a viscous liquid inlet is arranged at a position, higher than the viscous liquid recovery port, of the side wall of the supporting water tank;
one end of the first water pipe is provided with a pagoda head which is connected with the viscous liquid recovery port; when the valve is in a closed state, viscous liquid cannot be discharged, and when the valve is opened, the viscous liquid flows to the recovery tank through the first water pipe under the action of gravity; the recovery tank is horizontally arranged on the fixed surface, and the other end of the first water pipe is fixed on the recovery tank; one end of the second water pipe is fixed on the recovery tank, the other end of the second water pipe is connected with an input interface of the water pump, and the filter screen is arranged at the input interface of the water pump and is used for filtering workpiece cuttings and impurities; one end of the third water pipe is connected with an output interface of the water pump, and the other end of the third water pipe is fixedly connected with the viscous liquid inlet;
when the height of the viscous liquid in the supporting water tank is larger than a preset high threshold value, opening the valve to discharge the viscous liquid until the height of the viscous liquid is reduced to a preset low threshold value, and closing the valve; when the height of the viscous liquid in the supporting water tank is lower than a preset low threshold value, the water pump is started to add the viscous liquid into the supporting water tank until the height value of the viscous liquid in the supporting water tank reaches the preset high threshold value.
2. The process optimizing apparatus for metal cutting machining according to claim 1, wherein a spring is provided in the valve for controlling opening and closing of the valve.
3. The process optimizing device for metal cutting machining modes according to claim 1, wherein the material of the supporting water tank is an acrylic plate.
4. The process optimizing apparatus for metal cutting process according to claim 1, wherein the viscous liquid is neutral liquid having a viscosity of more than 500mm 2 /s。
5. The process optimizing device for metal cutting machining modes according to claim 1, wherein the filter screen is fixed at an input interface of the water pump through a lock catch.
6. A process optimization method for the process optimization apparatus of claim 1, comprising the steps of:
step 1: setting a supporting water tank;
designing a supporting water tank according to the specification of the machine tool, wherein an acrylic plate is selected as a material of the supporting water tank; the height of the supporting water tank is higher than that of the tool handle of the machine tool, and the supporting water tank is filled with viscous liquid; a water pump and a recovery box are arranged beside the supporting water tank, and the water pump is used for pumping viscous liquid into the supporting water tank; the bottom of the supporting water tank is provided with a through hole which is used for connecting the workbench and the workpiece by a mounting bolt; a viscous liquid recovery hole is arranged on the side surface of the supporting water tank, and viscous liquid is recovered through the viscous liquid recovery hole;
step 2: determining an origin of the cutter;
after the workpiece is leveled and aligned, the cutter is installed, the position of the cutter is adjusted, the origin of the cutter is confirmed, and the origin of the cutter is recorded into a feed program;
step 3: selection and addition of a viscous liquid;
the viscous liquid is neutral liquid with viscosity greater than 500mm 2 S; the height of the viscous liquid in the supporting water tank is greater than the contact surface of the cutter and the workpiece, the height of the viscous liquid is greater than the whole cutting edge of the cutter, but the viscous liquid cannot be greater than the height of the viscous liquid on the whole cutting edge of the cutter, and the viscous liquid cannot be greater than the height of the viscous liquid on the whole cutting edge of the cutterIs a part of (2);
step 4: metal cutting processing;
the machining process of metal cutting machining is carried out in a viscous liquid, and chips generated in the cutting machining process float in the viscous liquid;
step 5: recycling and reusing the viscous liquid;
after the cutting process is finished, the part after the process is finished is disassembled; firstly, discharging viscous liquid, opening a valve, enabling the viscous liquid to flow into a recovery tank under the action of gravity, and disassembling parts after the viscous liquid completely flows into the recovery tank;
during the next processing, the cuttings and impurities are filtered in the recovery tank through the filter screen, and the filtered viscous liquid is input into the supporting water tank through the water pump for the next processing.
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| 基于液氮低温冷却的钛合金铣削技术研究;宋戈;姜振喜;李卫东;孙超;王伟;赵中刚;;制造技术与机床(第07期);12-16 * |
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