CN105834671A - Ultrasonic strengthening method for machining annular groove and ultrasonic machining tool bit - Google Patents
Ultrasonic strengthening method for machining annular groove and ultrasonic machining tool bit Download PDFInfo
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- CN105834671A CN105834671A CN201610369808.6A CN201610369808A CN105834671A CN 105834671 A CN105834671 A CN 105834671A CN 201610369808 A CN201610369808 A CN 201610369808A CN 105834671 A CN105834671 A CN 105834671A
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- ultrasonic
- machining
- cannelure
- ultrasound
- tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/04—Treating or finishing by hammering or applying repeated pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to an ultrasonic strengthening method for machining an annular groove and an ultrasonic machining tool bit. The ultrasonic machining tool bit comprises a tool apron and a tool head. A cavity used for containing an amplitude-changing rod is formed in the tool apron. Supporting shafts are arranged on the two sides of the tool head. The tool head is embedded in the front end of the tool apron through the supporting shafts. When the tool bit is installed on an ultrasonic tool, one end of the amplitude-changing rod is in contact with the tool head, and the annular groove is ultrasonically machined by means of the tool bit and through the ultrasonic strengthening method. Compared with a traditional annular groove strengthening treatment method, the ultrasonic strengthening method for machining the annular groove is simple in technology and convenient to operate, machining requirements which cannot be met by the traditional machining method are changed, the annular groove machined through the ultrasonic strengthening method has the beneficial effects of being large in hardness, high in smoothness, high in wear resistance and sealing performance and the like and has obvious machining advantages especially for some high-machining-grade sealing grooves with some special requirements, and the ultrasonic strengthening method can replace the traditional machining method.
Description
Technical field
The present invention relates to a kind of ultrasound-enhanced method processing cannelure and Ultrasonic machining cutterhead, belong to Ultrasonic machining technology
Field.
Background technology
Cannelure refers to groove ring-type in machining, and cannelure is widely used in machine components, and such as, piston is close
Preventer end face seal groove on sealing groove, cylinder seal groove, petroleum machinery, the seal groove etc. on swivel joint, mostly
Number cannelure acts primarily as sealing function, often needs to finish cannelure in machining process, obtains ring with this
The higher fineness of shape rooved face, reduces the surface roughness value of cannelure, the corresponding cooperation essence improved when cannelure assembles
Degree, the final sealing function improving cannelure.
At present, the processing method of tradition processing cannelure is usually the mode using turning, the most rough turn, then finish turning.Have
When the finish turning operation employing form turn higher to the roughness requirements of groove, the negative relief angle utilizing lathe tool is coarse by rooved face
Degree improves, and the roughness using this kind of processing technology to reach is preferably Ra value about 0.8, but to rings such as piston ring grooves
The requirement of shape rooved face roughness requirements Ra value less than 0.4 then cannot meet, for the occasion that the size of some grooves is bigger,
Also there is employing glossing to improve surface roughness, but owing to the size of major part cannelure is less, it is impossible to groove
Side is polished, and does not also have good technological method for processing to improve the low roughness value on cannelure surface in prior art
Requirement.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of ultrasound-enhanced method processing cannelure, utilizes the method can
To be effectively improved the hardness of cannelure, fineness, wearability, the final sealing property improving cannelure.
The present invention also provides for a kind of being applied to the above-mentioned cutterhead that cannelure carries out ultrasound-enhanced processing.
Technical scheme is as follows:
A kind of ultrasound-enhanced method processing cannelure, comprises the following steps,
By workpiece to be processed clamping on lathe, utilize ultrasonic wave processing cutting tool that the cannelure on workpiece to be processed is surpassed
Sound is processed, and during Ultrasonic machining, cutterhead fits with cannelure surface, and the parameter of Ultrasonic machining is: linear velocity 5-120m/min,
Amount of feeding 0.05-0.8mm/r, the ultrasonic wave processing cutting tool pressure 50-3000N to work surface.
Preferably, the number of times of Ultrasonic machining is 1-3 time.
Preferably, the amplitude of Ultrasonic machining is 5-25 μm.
It is further preferred that the amplitude of Ultrasonic machining is 6-8 μm.
Preferably, described cutterhead includes tool seat and tool heads, is provided with the cavity accommodating ultrasonic transformer, work in tool seat
The bilateral symmetry of tool head is provided with outward extending support shaft, before tool heads is arranged on tool seat by support shaft is embedded
End, when cutterhead is arranged on ultrasonic wave processing cutting tool, one end of ultrasonic transformer contacts with tool heads, by tool heads pair
Cannelure carries out Ultrasonic machining.
Preferably, described tool seat is detachable tool seat, including the identical two parts that link together.
Preferably, described tool heads includes body and the flange being connected as a single entity with body, arranges described in the both sides of body
Support shaft, the shape of flange adapts with the cannelure on workpiece to be processed.
Preferably, the shaft shoulder it is provided with between support shaft and body.
Preferably, a length of 3-8mm of described flange, flange is 5-15 ° with the slanted angle of horizontal plane.
It is further preferred that a length of 6mm of described flange, flange is 7-8 ° with the slanted angle of horizontal plane.
Preferably, described ultrasonic wave processing cutting tool selects the ultrasonic wave gold disclosed in Chinese patent literature CN105195976A
Metal surface process tool.
Preferably, described workpiece to be processed includes piston seal groove, cylinder seal groove, petroleum machinery preventer end face seal
Seal groove on groove and cylinder flange endoporus.
Preferably, utilizing this ultrasound-enhanced method that piston seal groove is carried out Ultrasonic machining, the parameter of Ultrasonic machining is: line
Speed is 50-60m/min, and the amount of feeding is 0.15-0.25mm/r, and the pressure of work surface is by ultrasonic wave processing cutting tool
500-1200N。
Preferably, utilizing this ultrasound-enhanced method that cylinder seal groove is carried out Ultrasonic machining, the parameter of Ultrasonic machining is: line
Speed 50-80m/min, amount of feeding 0.15-0.35mm/r, the ultrasonic wave processing cutting tool pressure to work surface
300-900N。
Preferably, utilize this ultrasound-enhanced method that petroleum machinery preventer end face seal groove is carried out Ultrasonic machining, ultrasonic
The parameter of processing is: linear velocity 20-50m/min, amount of feeding 0.15-0.35mm/r, ultrasonic wave processing cutting tool is to be processed
The pressure 300-1200N on surface.
Preferably, utilize this ultrasound-enhanced method that the seal groove on cylinder flange endoporus is carried out Ultrasonic machining, Ultrasonic machining
Parameter be: linear velocity 30-60m/min, amount of feeding 0.15-0.35mm/r, ultrasonic wave processing cutting tool is to work surface
Pressure 200-600N.
The beneficial effects of the present invention is:
1, the present invention is for processing the cutterhead simple in construction of cannelure, low cost, is processing cutter with ultrasonic metal surface
Tool matches when cannelure is carried out Ultrasonic machining, it is possible to processes the groove side of cannelure well, optimizes processing effect,
Substantially increase the working (machining) efficiency to cannelure.
2, the ultrasound-enhanced processing method of cannelure is compared traditional cannelure enhanced processing method by the present invention, its technique letter
Single, easy to operate, change traditional diamond-making technique and be beyond one's reach machining accuracy, utilize the cannelure after the method processing
Have that hardness is big, highly polished, wearability and sealing advantages of higher, have the high processing of particular/special requirement especially for some
The seal groove of grade, has obvious processed edge, alternative traditional processing method.
3, the present invention ultrasound-enhanced processing method to cannelure, compares traditional enhanced processing method, this processing method without
Pollute, simultaneously on Workpiece structure, size without impact, there is good economic worth and social value.
Accompanying drawing explanation
Fig. 1 is the structural representation of Ultrasonic machining cutterhead in the present invention；
Fig. 2 is that ultrasonic wave processing cutting tool carries out the ultrasound-enhanced structural representation adding man-hour to piston seal groove；
Fig. 3 is the enlarged drawing of cutterhead processing ultrasound-enhanced to piston seal groove part in Fig. 2；
Fig. 4 is the front view of tool heads in the present invention；
Fig. 5 is the top view of tool heads in the present invention；
Fig. 6 is the part sectioned view of rectangular channel in endoporus；
Fig. 7 is the partial view of rectangular channel on periphery；
Fig. 8 is the part sectioned view of end face upper trapezoid groove；
Fig. 9 is the part sectioned view of rectangular channel on end face；
Figure 10 is the partial view of periphery upper trapezoid groove；
Wherein: 1, tool seat；2, support shaft；3, tool heads；301, body；302, flange；303, the shaft shoulder；4、
Oval hole；5, fulcrum pin；6, workpiece；7, fixed cover；8, disk spring；9, disk spring；10, elastic force regulation
Bar；11, sliding sleeve；12, ultrasonic transformer；13, rectangular channel in endoporus；14, rectangular channel on periphery；15, ladder on end face
Shape groove；16, rectangular channel on end face；17, periphery upper trapezoid groove.
Detailed description of the invention
Below by embodiment and combine accompanying drawing the present invention will be further described, but it is not limited to this.
Embodiment 1:
As shown in Figure 1, Figure 4 and Figure 5, a kind of Ultrasonic machining cutterhead processing cannelure, including tool seat 1, instrument
3, it is provided with the cavity accommodating ultrasonic transformer 12 in tool seat 1, the bilateral symmetry of tool heads 3 is provided with outward extending
Support shaft 2, tool heads 3 is by the embedded front end being arranged on tool seat 1 of support shaft 2, when cutterhead 1 is arranged on ultrasonic
Time on ripple cutter, one end of ultrasonic transformer 12 contacts with tool heads 3, by tool heads 3, cannelure is carried out ultrasound-enhanced adding
Work.
Wherein, tool seat is detachable tool seat, including the identical two parts that link together, during installation, by instrument
Two parts that seat is identical separate, and then the support shaft of tool heads both sides are respectively placed in two parts, then are pacified by two parts
It is fitted together formation cutterhead overall.
Tool heads includes body 301 and the flange 302 being connected as a single entity with body, 302 shapes of flange and workpiece to be processed 6
Piston ring groove adapt, the profile of flange 302 is circular, arranges described support shaft 2 in the both sides of body 301.
A length of L=3mm of flange 302, flange is α=5 ° with the slanted angle of horizontal plane, as shown in Figure 4, Figure 5.
Embodiment 2:
A kind of Ultrasonic machining cutterhead processing cannelure, as described in Example 1, its difference is structure: flange
A length of L=8mm of 302, flange is α=15 ° with the slanted angle of horizontal plane.Set between support shaft 2 and body 301
It is equipped with the shaft shoulder 303.
Embodiment 3:
A kind of Ultrasonic machining cutterhead processing cannelure, as described in Example 1, its difference is structure: flange
A length of L=6mm of 302, flange is α=7 ° with the slanted angle of horizontal plane.
Embodiment 4:
A kind of Ultrasonic machining cutterhead processing cannelure, as described in Example 1, its difference is structure: flange
A length of L=6mm of 302, flange is α=8 ° with the slanted angle of horizontal plane.
Embodiment 5:
A kind of method that Ultrasonic machining cutterhead utilized described in embodiment 1 carries out ultrasound-enhanced processing to piston seal groove,
Piston seal groove is rectangular channel, including the rectangular channel (as shown in Figure 1) in endoporus and the rectangular channel on periphery (such as Fig. 2
Shown in), its concrete procedure of processing is as follows:
(1) cutterhead is arranged on ultrasonic metal surface machining cutter, during ultrasonic metal surface machining cutter is selected
Ultrasonic metal surface machining cutter disclosed in state patent document CN105195976A, makes front end and the instrument of ultrasonic transformer
Head contact；
(2) regulate the elasticity adjusting lever of ultrasonic metal surface machining cutter end, thus regulate tool heads and workpiece is executed
The normal force added, to meet processing request；
(3) by workpiece to be processed clamping on lathe, adjust the position of ultrasonic metal surface machining cutter, by work simultaneously
Tool head stretches in the piston seal groove of workpiece to be processed, makes the flange of tool heads fit with seal groove；
(4) starting ultrasonic metal surface machining cutter, piston seal groove is surpassed under the effect of ultrasonic transformer by tool heads
Sound is processed, and the parameter of Ultrasonic machining is: linear velocity 30m/min, amount of feeding 0.15mm/r, and ultrasonic wave processing cutting tool is treated
The pressure 150N of finished surface, amplitude 5 μm of Ultrasonic machining, Ultrasonic machining 1 time.
Embodiment 6:
A kind of method as described in Example 5 piston seal groove being carried out ultrasound-enhanced processing, its difference is:
In step (4), the parameter of Ultrasonic machining is: linear velocity 60m/min, amount of feeding 0.25mm/r, ultrasonic wave processing cutting tool
Pressure 1200N to work surface, amplitude 25 μm of processing, Ultrasonic machining 3 times.
Embodiment 7:
A kind of method that Ultrasonic machining cutterhead utilized described in embodiment 1 carries out ultrasound-enhanced processing to cylinder seal groove,
Cylinder seal groove includes the dovetail groove (as shown in Figure 10) on periphery, step when being processed this trapezoidal seal groove
As follows:
(1) cutterhead is arranged on ultrasonic metal surface machining cutter, during ultrasonic metal surface machining cutter is selected
Ultrasonic metal surface machining cutter disclosed in state patent document CN105195976A, makes front end and the instrument of ultrasonic transformer
Head contact；
(2) regulate the elasticity adjusting lever of ultrasonic metal surface machining cutter end, thus regulate tool heads and workpiece is executed
The normal force added, to meet processing request；
(3) by workpiece to be processed clamping on lathe, adjust the position of ultrasonic metal surface machining cutter, by work simultaneously
Tool head stretches in the cylinder seal groove of workpiece to be processed, makes the flange of tool heads fit with seal groove groove side；
(4) starting ultrasonic metal surface machining cutter, cylinder seal groove is surpassed under the effect of ultrasonic transformer by tool heads
Sound is processed, and the parameter of Ultrasonic machining is: linear velocity 50m/min, amount of feeding 0.15mm/r, and ultrasonic wave processing cutting tool is treated
The pressure 300N of finished surface, amplitude 5 μm of processing, Ultrasonic machining 3 times.
Embodiment 8:
A kind of method as described in Example 7 cylinder seal groove being carried out ultrasound-enhanced processing, its difference is:
In step (4), the parameter of Ultrasonic machining is: linear velocity 80m/min, amount of feeding 0.35mm/r, ultrasonic wave processing cutting tool
Pressure 900N to work surface, amplitude 25 μm of processing, Ultrasonic machining 2 times.
Embodiment 9:
Seal groove on petroleum machinery preventer end face is carried out by a kind of Ultrasonic machining cutterhead utilized described in embodiment 1
The method of ultrasound-enhanced processing, the shape of the seal groove on preventer end face has dovetail groove (as shown in Figure 8) or rectangular channel
(as shown in Figure 9) step when, being processed the trapezoidal seal groove on end face is as follows:
(1) cutterhead is arranged on ultrasonic metal surface machining cutter, during ultrasonic metal surface machining cutter is selected
Ultrasonic metal surface machining cutter disclosed in state patent document CN105195976A, makes front end and the instrument of ultrasonic transformer
Head contact；
(2) regulate the elasticity adjusting lever of ultrasonic metal surface machining cutter end, thus regulate tool heads and workpiece is executed
The normal force added, to meet processing request；
(3) by workpiece to be processed clamping on lathe, adjust the position of ultrasonic metal surface machining cutter, by work simultaneously
Tool head stretches in the trapezoidal seal groove on the end face of workpiece to be processed, makes the flange of tool heads be affixed with trapezoidal seal groove groove side
Close；
(4) ultrasonic metal surface machining cutter is started, tool heads close on preventer end face under the effect of ultrasonic transformer
Sealing groove carries out Ultrasonic machining, and the parameter of Ultrasonic machining is: linear velocity 50m/min, amount of feeding 0.35mm/r, and ultrasonic wave adds
The work cutter pressure 1200N to work surface, amplitude 25 μm of processing, Ultrasonic machining 3 times.
Embodiment 10:
A kind of side that as described in Example 9 seal groove on petroleum machinery preventer end face is carried out ultrasound-enhanced processing
Method, its difference is: in step (4), and the parameter of Ultrasonic machining is: linear velocity 20m/min, amount of feeding 0.15mm/r,
The ultrasonic wave processing cutting tool pressure 300N to work surface, amplitude 5 μm of processing, Ultrasonic machining 1 time.
Embodiment 11:
Seal groove on cylinder flange endoporus is carried out ultrasound-enhanced by a kind of Ultrasonic machining cutterhead utilized described in embodiment 1
The method of processing, the seal groove on cylinder flange endoporus is shaped as rectangular channel (as shown in Figure 6), on cylinder flange endoporus
Rectangular seal groove step when being processed as follows:
(1) cutterhead is arranged on ultrasonic metal surface machining cutter, during ultrasonic metal surface machining cutter is selected
Ultrasonic metal surface machining cutter disclosed in state patent document CN105195976A, makes front end and the instrument of ultrasonic transformer
Head contact；
(2) regulate the elasticity adjusting lever of ultrasonic metal surface machining cutter end, thus regulate tool heads and workpiece is executed
The normal force added, to meet processing request；
(3) by workpiece to be processed clamping on lathe, adjust the position of ultrasonic metal surface machining cutter, by work simultaneously
Tool head stretches in the rectangular seal groove on the endoporus of workpiece to be processed, makes the flange of tool heads be affixed with rectangular seal groove groove side
Close；
(4) start ultrasonic metal surface machining cutter, tool heads under the effect of ultrasonic transformer on cylinder flange endoporus
Seal groove carries out Ultrasonic machining, and the parameter of Ultrasonic machining is: linear velocity 60m/min, amount of feeding 0.35mm/r, ultrasonic wave
The process tool pressure 600N to work surface, the amplitude of Ultrasonic machining is 8 μm, Ultrasonic machining 1 time.
Embodiment 12:
A kind of method that the seal groove on cylinder flange endoporus is carried out ultrasound-enhanced processing as described in Example 11, it is not
Being with part: in step (4), the parameter of Ultrasonic machining is: linear velocity 30m/min, amount of feeding 0.15mm/r, super
The sound wave process tool pressure 200N to work surface, the amplitude of Ultrasonic machining is 6 μm, Ultrasonic machining 2 times.
Claims (10)
1. the ultrasound-enhanced method processing cannelure, it is characterised in that comprise the following steps,
By workpiece to be processed clamping on lathe, utilize ultrasonic wave processing cutting tool that the cannelure on workpiece to be processed is surpassed
Sound is processed, and during Ultrasonic machining, cutterhead fits with cannelure surface, and the parameter of Ultrasonic machining is: linear velocity 5-120m/min,
Amount of feeding 0.05-0.8mm/r, the ultrasonic wave processing cutting tool pressure 50-3000N to work surface.
2. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that the amplitude of Ultrasonic machining
For 3-25 μm.
3. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that described cutterhead includes
Tool seat and tool heads, be provided with the cavity accommodating ultrasonic transformer in tool seat, the bilateral symmetry of tool heads is provided with to extension
The support shaft stretched, tool heads is passed through the embedded front end being arranged on tool seat of support shaft, is added when cutterhead is arranged on ultrasonic wave
Time on work cutter, one end of ultrasonic transformer contacts with tool heads, by tool heads, cannelure is carried out Ultrasonic machining.
4. the ultrasound-enhanced method processing cannelure as claimed in claim 3, it is characterised in that described tool seat is can
Detachable tool seat, including the identical two parts that link together.
5. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that described tool heads includes
Body and the flange being connected as a single entity with body, arrange described support shaft in the both sides of body, and the shape of flange is with to be processed
The cannelure of workpiece adapts.
6. the as claimed in claim 5 ultrasound-enhanced method processing cannelure, it is characterised in that described flange a length of
3-8mm, flange is 5-15 ° with the slanted angle of horizontal plane.
7. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that utilize this ultrasound-enhanced
Method carries out Ultrasonic machining to piston seal groove, and the parameter of Ultrasonic machining is: linear velocity 50-60m/min, the amount of feeding
0.15-0.25mm/r, the ultrasonic wave processing cutting tool pressure 500-1200N to work surface.
8. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that utilize this ultrasound-enhanced
Method carries out Ultrasonic machining to cylinder seal groove, and the parameter of Ultrasonic machining is: linear velocity 50-80m/min, the amount of feeding
0.15-0.35mm/r, the ultrasonic wave processing cutting tool pressure 300-900N to work surface.
9. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that utilize this ultrasound-enhanced
Method carries out Ultrasonic machining to petroleum machinery preventer end face seal groove, and the parameter of Ultrasonic machining is: linear velocity
20-50m/min, amount of feeding 0.15-0.35mm/r, the ultrasonic wave processing cutting tool pressure 300-1200N to work surface.
10. the ultrasound-enhanced method processing cannelure as claimed in claim 1, it is characterised in that utilize this ultrasound-enhanced
Method carries out Ultrasonic machining to the seal groove on cylinder flange endoporus, and the parameter of Ultrasonic machining is: linear velocity 30-60m/min,
Amount of feeding 0.15-0.35mm/r, the ultrasonic wave processing cutting tool pressure 200-600N to work surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369808.6A CN105834671A (en) | 2016-05-30 | 2016-05-30 | Ultrasonic strengthening method for machining annular groove and ultrasonic machining tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369808.6A CN105834671A (en) | 2016-05-30 | 2016-05-30 | Ultrasonic strengthening method for machining annular groove and ultrasonic machining tool bit |
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| Publication Number | Publication Date |
|---|---|
| CN105834671A true CN105834671A (en) | 2016-08-10 |
Family
ID=56595044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610369808.6A Pending CN105834671A (en) | 2016-05-30 | 2016-05-30 | Ultrasonic strengthening method for machining annular groove and ultrasonic machining tool bit |
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| CN109454241A (en) * | 2018-11-02 | 2019-03-12 | 厦门虹鹭钨钼工业有限公司 | A kind of tungsten/molybdenum product ultrasonic surface processing method |
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Application publication date: 20160810 |