CN110328563A - A kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness and method - Google Patents
A kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness and method Download PDFInfo
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- CN110328563A CN110328563A CN201910485207.5A CN201910485207A CN110328563A CN 110328563 A CN110328563 A CN 110328563A CN 201910485207 A CN201910485207 A CN 201910485207A CN 110328563 A CN110328563 A CN 110328563A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness and methods, including variable-frequency ultrasound device, cutter holding device, angle rotating device, lifting device and abrasive material liquid container；Cutter holding device includes electromagnet clamper and AC power source, and electromagnet clamp base is equipped with clamping bayonet, and when AC power source is connected, the clamping part of cutter can be absorbed and fixed in clamping bayonet by the clamping bayonet of electromagnet clamper；Electromagnet clamper can realize the rotation of left and right set angle under the driving of angle rotating device；Variable-frequency ultrasound device includes variable-frequency ultrasound power supply, frequency conversion energy converter, amplitude transformer and tool heads.The present invention adapts to the passivation of different hardness cutter by selecting different abrasive fluids；In addition, carrying out angular transformation to cutter holding device by control motor, non-homogeneous cutting edge passivation is realized, and equipment interoperability is preferable.Further, by the selection of supersonic frequency, the precision and processing efficiency on rapidoprint surface are directly enhanced.
Description
Technical field
The present invention relates to cutting edge roundness be passivated field, especially a kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness and
Method.
Background technique
Tool in Cutting work is mainly completed by the cutting edge of cutter, but since the cutting edge of cutter is there are shortcomings,
Such as radiating condition is poor, the more low design feature of intensity.Cutter is after processing or sharpening, on main cutting edge still
Can there are some irregular defects or flange, therefore cutter durability during actual processing is restricted, use
Service life drastically reduces.
In the cutting process, stock-removing efficiency is improved, cutter life is extended and reduces manufacturing cost, is always that metal is cut
Cut the major subjects of development.Cutting edge roundness passivating technique significant effect in terms of tool life, by more and more
Attention.Cutting edge passivation can remove the deficiency on cutting edge roundness, increase cutting edge stability, forward and backward knife face is made to share cutting edge portion
Divide mechanical load, reduces the improper failure of cutter, be the important method for solving the problems, such as process tool initial failure.
The main purpose of cutting edge roundness passivation is: being on the one hand to obtain the cutting edge geometry needed, is on the other hand
Remove the microdefect in cutting edge region.Currently, common cutting edge passivating method has the passivation of rotation nylon bruss method, magnetic grinding
Powder passivation, chemical passivation, laser method passivation etc..
With the development of the times, the required precision of rapidoprint is gradually increased, while there is also processing to imitate for these methods
The not high problem of rate can not generally be applicable in the cutter of different hardness, have the shortcomings that equipment interoperability is poor.
If Fig. 3 shows the schematic diagram of hard rotation Milling Machining, as shown in figure 4, rotation Milling Machining mode firmly is to pass through Cutting tool installation manner
Disk 60 installs much knives tool 70 and carries out screw thread process, and cardinal principle is the off-centre operation by Cutting tool installation manner armor around spiral workpiece 50
Eccentricity between shape chamber 61 and spiral workpiece carries out high-speed cutting by the adjacent track different twice of cutter.
During hard rotation milling, cutting movement is complicated, and there are biggish mechanical shock, cutting edge roundnesses for tip among blade
It is loaded, so there is nonuniformity.However, existing traditional uniform passivation cutting edge method global adaptation is poor, cutting edge roundness
Part serious damage will occur because loaded big, become the bottleneck that the milling cutter service life is revolved in restriction firmly and processing quality is promoted.Namely
The non-homogeneous loading property of the time-varying of cutter makes the global adaptation for guaranteeing passivation cutting edge become promotion cutting performance, extends cutter
The key of service life, it is uniform or non-homogeneous blunt for the cutter progress of different processing characteristics that there is an urgent need to a kind of passivating devices
Change.
Summary of the invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a kind of variable-frequency ultrasound cutters
The non-homogeneous passivating device of cutting edge and method, the non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness and method can be different by selection
Abrasive fluid, adapt to different hardness cutter passivation；In addition, angular transformation is carried out to cutter holding device by control motor,
Realize non-homogeneous cutting edge passivation, and equipment interoperability is preferable.Further, added in different process time points using different frequency
Work, the problems such as directly enhancing the required precision and processing efficiency on rapidoprint surface.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness, including the rotation of variable-frequency ultrasound device, cutter holding device, angle
Device, lifting device and abrasive material liquid container.
Abrasive material liquid container is provided with abrasive fluid, and the top of abrasive material liquid container, cutter holding dress is arranged in cutter holding device
It sets including electromagnet clamper and the AC power source being electrically connected with electromagnet clamper, electromagnet clamp base is provided with clamping
Bayonet, the clamping bayonet can be plugged with the clamping part of cutter；When AC power source is connected, the clamping bayonet of electromagnet clamper
With electromagnetic attraction, the clamping part of cutter is absorbed and fixed in the clamping bayonet of electromagnet clamper.
Angle rotating device is connected with electromagnet clamper, and electromagnet clamper can be in the driving of angle rotating device
Under, realize the rotation of left and right set angle.
Angle rotating device and electromagnet clamper can realize the synchronization lifting of height under the action of lifting device.
Variable-frequency ultrasound device includes variable-frequency ultrasound power supply, the frequency conversion energy converter, amplitude transformer and the tool heads that coaxially set gradually；
Wherein, frequency conversion energy converter is connected with variable-frequency ultrasound power supply, and tool heads protrude into the abrasive fluid in abrasive material liquid container.
Lifting device is lifting platform.
Angle rotating device includes control motor and tool rotating shaft；Control motor is mounted on lifting platform, controls motor
Motor shaft be connected by shaft coupling with tool rotating shaft, the other end of tool rotating shaft is connected with electromagnet clamper.
Bearing is set in the middle part of tool rotating shaft, bearing is mounted on bearing block, and bearing block is mounted on lifting platform.
A kind of non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness, the cutting edge portion of cutter include tip, blade among blade
Left part and blade right part make tip, blade left part and blade right part among blade by rotating electromagnet clamper
It is respectively in the abrasive fluid of abrasive material liquid container, carries out Divisional passivation；By to tip, blade left part and knife among blade
Sword right part passivation time and the control for being passivated frequency, realize non-homogeneous passivation.
Tip, blade left part and blade right part among blade, each position is when being passivated, variable-frequency ultrasound device
Just passivation is first carried out using 40-60KHz frequency, the abrasive fluid in abrasive material liquid container is with huge impact force bump tool blade
Oral surfaces make the material fragmentation of tool blade oral surfaces achieve the purpose that removal；It is taken according to different cutter hardness different
Passivation time；Then, tool blade oral area is carefully passivated using 20-40KHz frequency, improves the processing of tool blade oral surfaces
Precision.
Abrasive fluid type can independently be selected according to cutter hardness to be passivated.
When the cutting edge roundness big to intermediate small both sides is passivated, specific passivating method includes the following steps.
Step 1, just passivation.
Step 11, tip is just passivated among blade: control motor-driven knife rotary shaft and electromagnet clamper are clockwise
30 ° of rotation, blade centre tip drop in abrasive fluid, and the supersonic frequency of adjustment variable-frequency ultrasound device is 40KHz, ultrasonic time
For 20min.
Step 12, blade right part is just passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates 60 ° counterclockwise, and blade right part drops in abrasive fluid, and using the method for step 11, adjustment supersonic frequency is 60KHz
Carry out the first passivation of blade right part.
Step 13, blade left part is just passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates clockwise 60 °, and blade left part drops in abrasive fluid, and using the method for step 11, supersonic frequency is 60KHz progress
The first passivation of blade left part.
Step 2, thin passivation.
Step 21, tip is carefully passivated among blade: lifting device drives electromagnet clamper and cutter to rise, and controls motor
Driving tool rotating shaft and electromagnet clamper rotate clockwise 30 °, and tip drops in abrasive fluid among blade, adjust frequency conversion
The supersonic frequency of Vltrasonic device is 20KHz, ultrasonic time 10min.
Step 22, blade right part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates 60 ° counterclockwise, and blade right part drops in abrasive fluid, using the method for step 21, carries out the first of blade right part
Passivation.
Step 23, blade left part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates clockwise 60 °, and blade left part drops in abrasive fluid, using the method for step 21, carries out the first of blade left part
Passivation.
The invention has the following beneficial effects:
1, cutting edge roundness is passivated using variable-frequency ultrasound, improves cutting edge roundness surface accuracy and processing efficiency.In different processing
The problems such as time point is processed using different frequency, directly enhances the required precision and processing efficiency on rapidoprint surface.
2, by selecting different abrasive fluids, the passivation of different hardness cutter is adapted to.That is, all to the cutter of different hardness
It can be passivated.Non-homogeneous cutting edge passivation can be carried out to the cutter of different processing characteristics, equipment interoperability is preferable.
3, angular transformation is carried out to cutter holding device by control motor, realizes non-homogeneous cutting edge passivation, and equipment is logical
It is preferable with property.
Detailed description of the invention
Fig. 1 shows a kind of structural schematic diagram of the non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness of the present invention.
Fig. 2 shows the structural schematic diagram of cutter holding device and angle rotating device.
Fig. 3 shows hard rotation Milling Machining schematic diagram.
Fig. 4 shows hard rotation Milling Machining schematic illustration.
Fig. 5 shows the structural schematic diagram of circular knives.
Fig. 6 shows the structural schematic diagram of strip cutter.
Wherein have:
10. variable-frequency ultrasound device；
11. pedestal；12. variable-frequency ultrasound power supply；13. frequency conversion energy converter；14. amplitude transformer；15. tool heads；
20. cutter holding device；21. electromagnet clamper；211. clamping bayonets；22. AC power source；
30. angle rotating device；
31. lifting platform；32. motor mount；33. controlling motor；34. shaft coupling；35. bearing block；36. tool rotating shaft；
40. abrasive material liquid container；41. abrasive fluid；
50. spiral workpiece；
60. Cutting tool installation manner disk；61. eccentric circular chamber；
70. cutter；71 clamping parts；72. tip among blade；73. blade left part；74. blade rear end.
Specific embodiment
Xia Mianjiehefutuhejuti compare Jia Shishifangshiduibenfamingzuojinyibuxiangxishuoming.
In description of the invention, it is to be understood that the side of the instructions such as term " left side ", " right side ", " top ", " lower part "
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, " the
One ", " second " etc. is not offered as the significance level of components, therefore is not considered as limiting the invention.In the present embodiment
The specific size of use technical solution solely for the purpose of illustration, is not intended to limit protection scope of the present invention.
As shown in Figure 1, a kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness, including variable-frequency ultrasound device 10, cutter
Clamping device 20, angle rotating device 30, lifting device and abrasive material liquid container 40.
Abrasive material liquid container is provided with abrasive fluid 41, and abrasive fluid type can independently be selected according to cutter hardness to be passivated
It selects.
Cutter holding device is arranged in the top of abrasive material liquid container, cutter holding device include electromagnet clamper 21 and with
The AC power source 22 of electromagnet clamper electrical connection, electromagnet clamp base are provided with clamping bayonet 211, the clamping bayonet energy
It is plugged with the clamping part of cutter.
When AC power source is connected, the clamping bayonet of electromagnet clamper has electromagnetic attraction, and the clamping part of cutter is inhaled
In the attached clamping bayonet for being fixed on electromagnet clamper.
Angle rotating device is connected with electromagnet clamper, and electromagnet clamper can be in the driving of angle rotating device
Under, realize the rotation of left and right set angle.
Angle rotating device and electromagnet clamper can realize the synchronization lifting of height under the action of lifting device.It rises
Falling unit is preferably hydraulic or motor-driven lifting platform 31, for the mature prior art.Lifting platform is preferably mounted on pedestal 11.
As shown in Fig. 2, angle rotating device preferably includes control motor 33 and tool rotating shaft 36；It is preferably logical to control motor
Motor mount 32 to be crossed to be mounted on lifting platform, the motor shaft for controlling motor is connected by shaft coupling 34 with tool rotating shaft,
The other end of tool rotating shaft is connected with electromagnet clamper.
Further, the middle part of tool rotating shaft is preferably set with bearing, and bearing is mounted on bearing block 35, bearing block installation
On lifting platform.
Frequency conversion energy converter 13,14 and of amplitude transformer that variable-frequency ultrasound device includes variable-frequency ultrasound power supply 12, coaxially sets gradually
Tool heads 15.
The above-mentioned preferred SKI600 of frequency conversion energy converter model, amplitude transformer model are preferably φ 20, the preferred H70 of tool heads model.
Tool heads material is preferably 45 steel, and tool heads can transmit supersonic frequency, makes to radiate more uniform.
Wherein, frequency conversion energy converter is connected with variable-frequency ultrasound power supply, and variable-frequency ultrasound power supply 12 and frequency conversion energy converter 13 are excellent
Choosing is mounted on the base, and tool heads protrude into the abrasive fluid in abrasive material liquid container, and tool heads are preferably fixed by rubber seal
In the side wall of abrasive material liquid container, prevent abrasive fluid from leaking out.
It is first turned on variable-frequency ultrasound power supply, electric current is transmitted to frequency conversion energy converter, and the piezoelectric ceramics in frequency conversion energy converter will be defeated
The electrical power entered is converted into mechanical output, and amplitude transformer amplifies the particle displacement of mechanical oscillation, and by ultrasonic energy concentrate on compared with
On small area, by tool heads by ultrasonic transmission to equipped with abrasive fluid container in.AC power source is connected, electromagnet generates suction
Cutter is fixed on clamping device by power, and control motor control cutter changes angle, and lifting device passes through decline cutter clamping machine
Structure makes cutting edge roundness enter abrasive fluid to be passivated.
Cutter can be circle as shown in Figure 5, or strip as shown in FIG. 6.Wherein, cutter includes clamping part
71 and cutting edge portion, the cutting edge portion of cutter includes tip 72 among blade, blade left part 73 and blade right part 74.
A kind of non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness makes point among blade by rotating electromagnet clamper
Portion, blade left part and blade right part are respectively in the abrasive fluid of abrasive material liquid container, carry out Divisional passivation；By to knife
The control of tip, blade left part and blade right part passivation time and passivation frequency, realizes non-homogeneous passivation among sword.
When being passivated, variable-frequency ultrasound device first uses 40-60KHz frequency to carry out just passivation, abrasive fluid at each position
Abrasive fluid in container makes the material fragmentation of tool blade oral surfaces with huge impact force bump tool blade oral surfaces
Achieve the purpose that removal；Different passivation times is taken according to different cutter hardness；Then, using 20-40KHz frequency to cutter
Cutting edge portion is carefully passivated, and the machining accuracy of tool blade oral surfaces is improved.
When the cutting edge roundness big to intermediate small both sides is passivated, specific passivating method includes the following steps.
Step 1, just passivation.
Step 11, tip is just passivated among blade: control motor-driven knife rotary shaft and electromagnet clamper are clockwise
30 ° of rotation, blade centre tip drop in abrasive fluid, and the supersonic frequency of adjustment variable-frequency ultrasound device is 40KHz, ultrasonic time
For 20min.
Step 12, blade right part is just passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates 60 ° counterclockwise, and blade right part drops in abrasive fluid, and using the method for step 11, adjustment supersonic frequency is 60KHz
Carry out the first passivation of blade right part.
Step 13, blade left part is just passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates clockwise 60 °, and blade left part drops in abrasive fluid, and using the method for step 11, adjustment supersonic frequency is 60KHz
Carry out the first passivation of blade right part.
Step 2, thin passivation.
Step 21, tip is carefully passivated among blade: lifting device drives electromagnet clamper and cutter to rise, and controls motor
Driving tool rotating shaft and electromagnet clamper rotate clockwise 30 °, and tip drops in abrasive fluid among blade, adjust frequency conversion
The supersonic frequency of Vltrasonic device is 20KHz, ultrasonic time 10min.
Step 22, blade right part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates 60 ° counterclockwise, and blade right part drops in abrasive fluid, using the method for step 21, carries out the first of blade right part
Passivation.
Step 23, blade left part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, electromagnet clamping
Device rotates clockwise 60 °, and blade left part drops in abrasive fluid, using the method for step 21, carries out the first of blade left part
Passivation.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail a variety of equivalents can be carried out to technical solution of the present invention within the scope of the technical concept of the present invention, this
A little equivalents all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness, it is characterised in that: including variable-frequency ultrasound device, cutter holding
Device, angle rotating device, lifting device and abrasive material liquid container；
Abrasive material liquid container is provided with abrasive fluid, and the top of abrasive material liquid container, cutter holding device packet is arranged in cutter holding device
The AC power source for including electromagnet clamper and being electrically connected with electromagnet clamper, electromagnet clamp base are provided with retaining wedge
Mouthful, which can plug with the clamping part of cutter；When AC power source is connected, the clamping bayonet tool of electromagnet clamper
There is electromagnetic attraction, the clamping part of cutter is absorbed and fixed in the clamping bayonet of electromagnet clamper；
Angle rotating device is connected with electromagnet clamper, and electromagnet clamper can be real under the driving of angle rotating device
The now rotation of left and right set angle；
Angle rotating device and electromagnet clamper can realize the synchronization lifting of height under the action of lifting device；
Variable-frequency ultrasound device includes variable-frequency ultrasound power supply, the frequency conversion energy converter, amplitude transformer and the tool heads that coaxially set gradually；Its
In, frequency conversion energy converter is connected with variable-frequency ultrasound power supply, and tool heads protrude into the abrasive fluid in abrasive material liquid container.
2. the non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness according to claim 1, it is characterised in that: lifting device is
Lifting platform.
3. the non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness according to claim 2, it is characterised in that: angle rotating dress
It sets including control motor and tool rotating shaft；Control motor is mounted on lifting platform, and the motor shaft for controlling motor passes through shaft coupling
It is connected with tool rotating shaft, the other end of tool rotating shaft is connected with electromagnet clamper.
4. the non-homogeneous passivating device of variable-frequency ultrasound cutting edge roundness according to claim 3, it is characterised in that: tool rotating shaft
Middle part be set with bearing, bearing is mounted on bearing block, and bearing block is mounted on lifting platform.
5. a kind of non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness, it is characterised in that: the cutting edge portion of cutter includes among blade
Tip, blade left part and blade right part, by rotating electromagnet clamper, make tip among blade, blade left part and
Blade right part is respectively in the abrasive fluid of abrasive material liquid container, carries out Divisional passivation；By to tip, blade among blade
Left part and blade right part passivation time and the control for being passivated frequency, realize non-homogeneous passivation.
6. the non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness according to claim 5, it is characterised in that: point among blade
Portion, blade left part and blade right part, when being passivated, variable-frequency ultrasound device first uses 40-60KHz frequency at each position
Just passivation is carried out, the abrasive fluid in abrasive material liquid container makes tool blade with huge impact force bump tool blade oral surfaces
The material fragmentation of oral surfaces achievees the purpose that removal；Different passivation times is taken according to different cutter hardness；Then, it uses
20-40KHz frequency is carefully passivated tool blade oral area, improves the machining accuracy of tool blade oral surfaces.
7. the non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness according to claim 6, it is characterised in that: abrasive fluid type
It can independently be selected according to cutter hardness to be passivated.
8. the non-homogeneous passivating method of variable-frequency ultrasound cutting edge roundness according to claim 6, it is characterised in that: when to intermediate small
When the big cutting edge roundness in both sides is passivated, specific passivating method includes the following steps:
Step 1, just passivation:
Step 11, tip is just passivated among blade: control motor-driven knife rotary shaft and electromagnet clamper rotate clockwise
30 °, blade centre tip drops in abrasive fluid, and the supersonic frequency of adjustment variable-frequency ultrasound device is 40KHz, and ultrasonic time is
20min；
Step 12, blade right part is just passivated: lifting device drives electromagnet clamper and cutter to rise, and electromagnet clamper is inverse
Hour hands rotate 60 °, and blade right part drops in abrasive fluid, using the method for step 11, adjust supersonic frequency as 60KHz progress
The first passivation of blade right part；
Step 13, blade left part is just passivated: lifting device drives electromagnet clamper and cutter to rise, and electromagnet clamper is suitable
Hour hands rotate 60 °, and blade left part drops in abrasive fluid, and using the method for step 11, supersonic frequency is that 60KHz carries out blade
The first passivation of left part；
Step 2, thin passivation:
Step 21, tip is carefully passivated among blade: lifting device drives electromagnet clamper and cutter to rise, and controls motor driven
Tool rotating shaft and electromagnet clamper rotate clockwise 30 °, and tip drops in abrasive fluid among blade, adjust variable-frequency ultrasound
The supersonic frequency of device is 20KHz, ultrasonic time 10min；
Step 22, blade right part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, and electromagnet clamper is inverse
Hour hands rotate 60 °, and blade right part drops in abrasive fluid, using the method for step 21, carry out the first passivation of blade right part；
Step 23, blade left part is carefully passivated: lifting device drives electromagnet clamper and cutter to rise, and electromagnet clamper is suitable
Hour hands rotate 60 °, and blade left part drops in abrasive fluid, using the method for step 21, carry out the first passivation of blade left part.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211059A (en) * | 2021-10-18 | 2022-03-22 | 盐城工学院 | Machining method for enveloping cylindrical worm threads on torus |
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