CN106994530A - A kind of machining process for avoiding magnesium alloy magnesium chips from burning - Google Patents
A kind of machining process for avoiding magnesium alloy magnesium chips from burning Download PDFInfo
- Publication number
- CN106994530A CN106994530A CN201710262992.9A CN201710262992A CN106994530A CN 106994530 A CN106994530 A CN 106994530A CN 201710262992 A CN201710262992 A CN 201710262992A CN 106994530 A CN106994530 A CN 106994530A
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- Prior art keywords
- magnesium alloy
- magnesium
- chips
- cutter
- magnesium chips
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- 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
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/52—Magnesium
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
A kind of machining process for avoiding magnesium alloy magnesium chips from burning that the present invention is provided, first according to the cutting depth value a of part to be processedpParameter request, determine the manufacturing procedure of magnesium alloy workpiece, the cutting speed v of process tool then determined according to manufacturing procedure contentc, feed speed vf, the HRA hardness of cutter material, the preceding angle value of cutter, the blade number of the rear angle value of cutter and its cutter, finally determine the way of recycling of magnesium chips.The present invention it is possible to prevente effectively from because machined parameters selection it is improper or mismatch and cause the burning of magnesium alloy magnesium chips when machine cut is processed, improve the processing efficiency of magnesium alloy workpiece, simultaneously by using magnesium chips retracting device so that the magnesium chips after machine cut processing can realize recycling well.
Description
Technical field
The present invention relates to magnesium alloy field of machining, magnesium chips when magnesium alloy is machined during milling is specially avoided to burn
Cutting Process method.
Background technology
Magnesium alloy, can not only energy-saving and energy greening environment as the metal material of light structures.But magnesium alloy is made
Applied for structural member in engineering in practice, machining is inevitable.Using traditional cutting working method, magnesium can be caused to close
Golden structural member causes magnesium chips to burn in cutting process because temperature is too high, and by cutting force and cutting heat it is excessive and
The problem of causing deformation and the poor machined surface quality of magnesium alloy structural part.Cutting when select suitable Cutting Process parameter,
Cutter material and suitable cutting-tool angle be avoid processing when magnesium chips burning main method, due to machining efficiency high,
The features such as surface quality is good, precision is high and be widely used in magnesium alloy field of machining, and the existing technology overwhelming majority is
The burning of magnesium chips when preventing to be machined using the mode of cooling.There is presently no prevent magnesium during the cutting of disclosed document report
Consider the effective ways of burning to be worth doing.Magnesium chips burning, so not only unfavorable when currently used utilization coolant prevents to be machined
With the recycling of magnesium alloy, and the reduction for being also unfavorable for processing cost can be polluted to environment using coolant.
The content of the invention
It is an object of the invention to provide a kind of machining process for avoiding magnesium alloy magnesium chips from burning, existing profit is solved
The burning of magnesium chips when preventing to be machined with coolant, and the recovery of the magnesium alloy caused can not be recycled, and use cooling
The defect that liquid can be polluted to environment.
In order to achieve the above object, the technical solution adopted by the present invention is specific as follows：
A kind of machining process for avoiding magnesium alloy magnesium chips from burning that the present invention is provided, comprises the following steps：
Step 1：According to the cutting depth value a of part to be processedpParameter request, determine the processing work of magnesium alloy workpiece
Sequence：
As cutting depth ap>During 2mm, magnesium alloy workpiece manufacturing procedure is coarse-fine processing；When cutting depth 0.5<ap≤2mm
When, magnesium alloy workpiece manufacturing procedure is semifinishing mode；As cutting depth≤0.5mm, magnesium alloy workpiece manufacturing procedure is
Finishing mode；
Step 2：The cutting speed v of process tool is determined according to process contentc, feed speed vf；
Step 3：The HRA hardness, the preceding angle value of cutter, the rear angle value of cutter of process tool material are determined according to process content
And its blade number of cutter；
Step 4：The way of recycling of magnesium chips when determining to process according to process content；
Step 5：When starting processing, magnesium alloy parts and machine tool are carried out to knife process, according to above-mentioned operation scheme
1~step 4 of repeat step completes the machine cut processing to magnesium alloy parts.
Preferably, in step 2, during roughing, cutting speed vcSpan be 1800m/min~3200m/min, enter
Give speed vfSpan is 600mm/min~1000mm/min；
During semifinishing, cutting speed vcSpan be 1200m/min~1800m/min, feed speed vfValue model
Enclose for 300mm/min~600mm/min；
During finishing, cutting speed vcSpan be 400m/min~1200m/min, feed speed vfSpan
For 100mm/min~300mm/min.
Preferably, in step 3, during roughing, 80HRA, preceding angle value is more than or equal to using hardness number and are more than or equal to 4 °, relief angle
Value is more than or equal to 10 ° and blade number is less than or equal to 4 cutter；
Semifinishing and finishing when, using hardness number be more than or equal to 90HRA, preceding angle value be more than or equal to 8 °, rear angle value it is big
In being less than the cutter that 10 ° and blade number are less than or equal to 2 equal to 5 °.
Preferably, in step 4, magnesium chips reclaims for nature during roughing；Magnesium chips uses magnesium chips when semifinishing and finishing
Special purpose device is reclaimed to be reclaimed.
Preferably, magnesium chips reclaims special purpose device and includes reclaiming cover, reclaims bend pipe, blade fan and motor, wherein reclaiming cover
Bottom surface be provided with wind groove, offer recovery holes on its side wall, the side of recovery holes is communicated with wind groove；Bend pipe is reclaimed to put for level
The L-type structure put, reclaims one end of bend pipe horizontal segment and the opposite side of recovery holes is connected, and the other end side of horizontal segment passes through leaf
Piece fan and motor connection.
Preferably, described reclaim is provided between bend pipe and blade fan for preventing chip from entering preventing in blade fan
Shield.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of machining process for avoiding magnesium alloy magnesium chips from burning that the present invention is provided, first according to part to be processed
Cutting depth value apParameter request, determine the manufacturing procedure of magnesium alloy workpiece, then according to manufacturing procedure content determine process
The cutting speed v of cutterc, feed speed vf, cutter material HRA hardness, the preceding angle value of cutter, the rear angle value of cutter and its knife
The blade number of tool, finally determines the way of recycling of magnesium chips.The present invention is it is possible to prevente effectively from because the selection of machined parameters is improper
Or mismatch and cause the burning of magnesium alloy magnesium chips when machine cut is processed, the processing efficiency of magnesium alloy workpiece is improved,
Simultaneously by using magnesium chips retracting device so that the magnesium chips after machine cut processing can realize recycling well.
Further, magnesium chips retracting device drives fan to produce suction by motor, can accelerate the stream of workpiece surface air
Dynamic speed, can not only be played and siphon away magnesium chips rapidly, and can also play a part of cooling, and the combustion of magnesium chips can be avoided well
Burn.
Brief description of the drawings
Fig. 1 is that magnesium chips reclaims special purpose device structural representation；
Fig. 2 is to use processing method processing magnesium alloy part process design sketch described herein；
Wherein, 1, cutter 2, workpiece 3, reclaiming cover 4, the first guide plate 5, the second guide plate 6, reclaim bend pipe 7, it is anti-
Shield 8, blade fan 9, motor.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in more detail.
A kind of machining process for avoiding magnesium alloy magnesium chips from burning that the present invention is provided, comprises the following steps：
Step 1：According to the cutting depth value a of part to be processedpParameter request, determine the processing work of magnesium alloy workpiece
Sequence：
As cutting depth ap>During 2mm, magnesium alloy workpiece manufacturing procedure is coarse-fine processing；
When cutting depth 0.5<apDuring≤2mm, magnesium alloy workpiece manufacturing procedure is semifinishing mode；
As cutting depth≤0.5mm, magnesium alloy workpiece manufacturing procedure is finishing mode.
Step 2：Cutting speed v is defined as according to the changeable machine cut working process parameter of process contentc, feeding speed
Spend vf：
During roughing, cutting speed vcSpan be 1800m/min~3200m/min, feed speed vfSpan
For 600mm/min~1000mm/min；
During semifinishing, cutting speed vcSpan be 1200m/min~1800m/min, feed speed vfValue model
Enclose for 300mm/min~600mm/min；
During finishing, cutting speed vcSpan be 400m/min~1200m/min, feed speed vfSpan
For 100mm/min~300mm/min.
Step 3：According to process content determine the HRA hardness of magnesium alloy parts machine cut process tool material, preceding angle value,
Angle value and its blade number afterwards：
During roughing, use hardness number be more than or equal to 80HRA, preceding angle value be more than or equal to 4 °, rear angle value be more than or equal to 10 ° with
And blade number is less than or equal to 4 cutter；
Semifinishing and finishing when, using hardness number be more than or equal to 90HRA, preceding angle value be more than or equal to 8 °, rear angle value it is big
In being less than the cutter that 10 ° and blade number are less than or equal to 2 equal to 5 °；
Step 4：According to process content determine magnesium alloy parts carry out machine cut processing when magnesium chips way of recycling：
Magnesium chips reclaims for nature during roughing；
Magnesium chips is reclaimed using the special purpose device shown in accompanying drawing 1 when semifinishing and finishing；
Step 5：When starting processing, magnesium alloy parts and machine tool are carried out to knife process, according to above-mentioned operation scheme
1~step 4 of repeat step completes the machine cut processing to magnesium alloy parts.
As shown in figure 1, the special purpose device that the magnesium chips is reclaimed includes motor 9, blade fan 8, protective cover 7, recovery bend pipe
6th, the first guide plate 4, the second guide plate 5, reclaiming cover 3, workpiece 2 and cutter 1, wherein, the first guide plate 4 and the second guide plate 5
Include two, the first guide plate 4 and the second guide plate 5 constitute rectangle structure, and are fixed on recovery by hexagon socket head cap screw
On the bottom surface of cover 3；Gap is formed between the rectangle structure and the madial wall of reclaiming cover 3, the gap is wind groove.
Reclaiming cover 3 is fixed on platen by hexagon socket head cap screw；Reclaim bend pipe 6 and returning on the side plate of reclaiming cover 3
Batter sealing is connected；Protective cover 7, motor 9, fan blade 8 are fixed on to the screwed hole for reclaiming the side of bend pipe 6 together using bolt
On；The material that reclaiming cover 3 is selected is safety glass, it is ensured that the magnesium chips taken out of during machining by cutter can be along its smooth surface
Fall into wind groove；Continuously rotation drives fan blade 8 continuously to rotate and produce suction to motor 9, and produced suction will can be reclaimed
Magnesium chips suction in cover 3 is reclaimed in bend pipe 6, and is reclaimed by the lower opening for reclaiming bend pipe 6, and the effect of protective cover 7 is to prevent
Chip enters in blade fan 8；The effect of wind groove ensures that magnesium chips can be smoothly inhaled into recovery bend pipe 6.
Before processing, workpiece 2 is placed on to the top for the rectangle structure that the first guide plate 4 and the second guide plate 5 are formed.
The present invention to magnesium alloy workpiece machine cut machining process by making rational planning for, using roughing, half essence
Processing and finishing phase process, it is possible to prevente effectively from because machined parameters selection it is improper or mismatch and cause
The burning of magnesium alloy magnesium chips when machine cut is processed, improves the processing efficiency of magnesium alloy workpiece.Simultaneously by using magnesium chips
Retracting device so that the magnesium chips after machine cut processing can realize recycling well, and the device is produced in processing
Raw suction, can accelerate the flowing velocity of workpiece surface air, can not only play and siphon away magnesium chips rapidly, and can also play cold
But effect, the burning of magnesium chips can be avoided well.
Embodiment 1：
Using plain milling cutter as cutting element, specific magnesium alloy workpiece avoids chip burning Cutting Process method from including
Following steps：
Step 1：The cutting depth parameter a of part to be processedpFor 0.25mm, therefore magnesium alloy workpiece manufacturing procedure is finishing
Mode.
Step 2：Determine cutting speed vcValue be 1000m/min, feed speed vfValue is 200mm/min.
Step 3：The hardness number for determining cutter is 90HRA, and anterior angle is 10 °, and relief angle is 8 °, and blade number is 2.
Step:4：Reclaimed using special purpose device.
Step:5：When starting processing, magnesium alloy parts and machine tool are carried out to knife process, according to above-mentioned operation scheme
1~step 4 of repeat step completes the machine cut processing to magnesium alloy parts.
Embodiment 2
Identical with the step of embodiment 1, difference is：
Step 2：Determine cutting speed vcValue be 400m/min, feed speed vfValue is 100mm/min.
Step 3：The hardness number for determining cutter is 90HRA, and anterior angle is 8 °, and relief angle is 5 °, and blade number is 1.
Embodiment 3
Identical with the step of embodiment 1, difference is：
Step 2：Determine cutting speed vcValue be 1200m/min, feed speed vfValue is 300mm/min.
Step 3：The hardness number for determining cutter is 100HRA, and anterior angle is 9 °, and relief angle is 10 °, and blade number is 1.
Embodiment 4
Identical with the step of embodiment 1, difference is：
Step 2：Determine cutting speed vcValue be 600m/min, feed speed vfValue is 250mm/min.
Step 3：The hardness number for determining cutter is 120HRA, and anterior angle is 9 °, and relief angle is 6 °, and blade number is 1.
Embodiment 5：
Using plain milling cutter as cutting element in the present embodiment, specific magnesium alloy workpiece avoids chip burning skiver
Process comprises the following steps：
Step 1：The cutting depth parameter a of part to be processedpFor 2.5mm, therefore magnesium alloy workpiece manufacturing procedure is roughing
Mode.
Step 2：Determine cutting speed vcValue be 2400m/min, feed speed vfValue is 800mm/min.
Step 3：The hardness number for determining cutter is 80HRA, and anterior angle is 4 °, and relief angle is 10 °, and blade number is 4.
Step:4：The way of recycling for determining magnesium chips is nature way of recycling.
Step:5：When starting processing, magnesium alloy parts and machine tool are carried out to knife process, according to above-mentioned operation scheme
1~step 4 of repeat step completes the machine cut processing to magnesium alloy parts.
Embodiment 6
Identical with the step of embodiment 5, difference is：
Step 2：Determine cutting speed vcValue be 1800m/min, feed speed vfValue is 600mm/min.
Step 3：The hardness number for determining cutter is 90HRA, and anterior angle is 5 °, and relief angle is 12 °, and blade number is 3.
Embodiment 7
Identical with the step of embodiment 5, difference is：
Step 2：Determine cutting speed vcValue be 3200m/min, feed speed vfValue is 1000mm/min.
Embodiment 8
Using plain milling cutter as cutting element in the present embodiment, specific magnesium alloy workpiece avoids chip burning skiver
Process comprises the following steps：
Step 1：The cutting depth parameter a of part to be processedpFor 1mm, therefore magnesium alloy workpiece manufacturing procedure is semifinishing
Mode.
Step 2：Determine cutting speed vcValue be 1200m/min, feed speed vfValue is 300mm/min.
Step 3：The hardness number for determining cutter is 90HRA, and anterior angle is 8 °, and relief angle is 10 °, and blade number is 2.
Step:4：The way of recycling for determining magnesium chips is nature way of recycling.
Step:5：When starting processing, magnesium alloy parts and machine tool are carried out to knife process, according to above-mentioned operation scheme
1~step 4 of repeat step completes the machine cut processing to magnesium alloy parts.
As shown in Fig. 2 during by processing method processing magnesium alloy part described herein, in process engineering, magnesium chips is not
Burn.
Embodiment 9
Identical with the step of embodiment 8, difference is：
Step 2：Determine cutting speed vcValue be 1800m/min, feed speed vfValue is 600mm/min.
Step 3：The hardness number for determining cutter is 100HRA, and anterior angle is 10 °, and relief angle is 5 °, and blade number is 1.
Embodiment 10
Identical with the step of embodiment 8, difference is：
Step 2：Determine cutting speed vcValue be 1600m/min, feed speed vfValue is 400mm/min.
Embodiment 11
Identical with the step of embodiment 8, difference is：
Step 2：Determine cutting speed vcValue be 1400m/min, feed speed vfValue is 500mm/min.
Claims (6)
1. a kind of machining process for avoiding magnesium alloy magnesium chips from burning, it is characterised in that comprise the following steps：
Step 1：According to the cutting depth value a of part to be processedpParameter request, determine the manufacturing procedure of magnesium alloy workpiece：
As cutting depth ap>During 2mm, magnesium alloy workpiece manufacturing procedure is coarse-fine processing；When cutting depth 0.5<apDuring≤2mm, magnesium
Alloy workpiece manufacturing procedure is semifinishing mode；As cutting depth≤0.5mm, magnesium alloy workpiece manufacturing procedure is finishing
Mode；
Step 2：The cutting speed v of process tool is determined according to process contentc, feed speed vf；
Step 3：According to process content determine the HRA hardness of process tool material, the preceding angle value of cutter, the rear angle value of cutter and its
The blade number of cutter；
Step 4：The way of recycling of magnesium chips when determining to process according to process content；
Step 5：When starting processing, magnesium alloy parts and machine tool are carried out, to knife process, to repeat according to above-mentioned operation scheme
Step 1~step 4 completes the machine cut processing to magnesium alloy parts.
2. a kind of machining process for avoiding magnesium alloy magnesium chips from burning according to claim 1, it is characterised in that：Step
In 2, during roughing, cutting speed vcSpan be 1800m/min~3200m/min, feed speed vfSpan is
600mm/min~1000mm/min；
During semifinishing, cutting speed vcSpan be 1200m/min~1800m/min, feed speed vfSpan is
300mm/min~600mm/min；
During finishing, cutting speed vcSpan be 400m/min~1200m/min, feed speed vfSpan is
100mm/min~300mm/min.
3. a kind of machining process for avoiding magnesium alloy magnesium chips from burning according to claim 1, it is characterised in that：Step
In 3, during roughing, 80HRA, preceding angle value are more than or equal to more than or equal to 4 °, rear angle value more than or equal to 10 ° and knife using hardness number
Sword number is less than or equal to 4 cutter；
When semifinishing and finishing, be more than using hardness number more than or equal to 90HRA, preceding angle value more than or equal to 8 °, rear angle value etc.
It is less than 10 ° and cutter of the blade number less than or equal to 2 in 5 °.
4. a kind of machining process for avoiding magnesium alloy magnesium chips from burning according to claim 1, it is characterised in that：Step
In 4, magnesium chips reclaims for nature during roughing；Magnesium chips reclaims special purpose device using magnesium chips and returned when semifinishing and finishing
Receive.
5. a kind of machining process for avoiding magnesium alloy magnesium chips from burning according to claim 4, it is characterised in that：Magnesium chips
Reclaiming special purpose device includes reclaiming cover (3), reclaims the bottom of bend pipe (6), blade fan (8) and motor (9), wherein reclaiming cover (3)
Face is provided with wind groove, offers recovery holes on its side wall, and the side of recovery holes is communicated with wind groove；Bend pipe (6) is reclaimed to put for level
The L-type structure put, reclaims one end of bend pipe (6) horizontal segment and the opposite side of recovery holes is connected, and the other end side of horizontal segment is logical
Blade fan (8) is crossed to be connected with motor (9).
6. a kind of machining process for avoiding magnesium alloy magnesium chips from burning according to claim 5, it is characterised in that：It is described
Reclaim the protective cover (7) being provided between bend pipe (6) and blade fan (8) for preventing chip from entering in blade fan (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262992.9A CN106994530B (en) | 2017-04-20 | 2017-04-20 | Mechanical processing method for avoiding magnesium alloy magnesium chips from burning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262992.9A CN106994530B (en) | 2017-04-20 | 2017-04-20 | Mechanical processing method for avoiding magnesium alloy magnesium chips from burning |
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| Publication Number | Publication Date |
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| CN106994530A true CN106994530A (en) | 2017-08-01 |
| CN106994530B CN106994530B (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290419A (en) * | 2021-06-26 | 2021-08-24 | 李兆灿 | Visual magnesium alloy processingequipment |
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