CN106141248A - A kind of noncircular pin hole Precision Machining boring bar - Google Patents
A kind of noncircular pin hole Precision Machining boring bar Download PDFInfo
- Publication number
- CN106141248A CN106141248A CN201610687689.9A CN201610687689A CN106141248A CN 106141248 A CN106141248 A CN 106141248A CN 201610687689 A CN201610687689 A CN 201610687689A CN 106141248 A CN106141248 A CN 106141248A
- Authority
- CN
- China
- Prior art keywords
- boring bar
- rotor
- pin hole
- main shaft
- boring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/04—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring polygonal or other non-circular holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/02—Boring bars
Abstract
nullThe invention discloses a kind of noncircular pin hole Precision Machining boring bar，Art is machinery design field，Including main shaft、Flexible hanger、Rotor、Stator、Coil、Flexible member、Boring cutter、Boring bar，Flexible hanger is used to connect between main shaft and rotor，Rotor can deflect relative to main shaft under the effect of partial load easily，Boring bar clamping is in rotor，Boring cutter is fixed on the right-hand member periphery of boring bar，Stator it is respectively fixed with above and below rotor，Coil it is fixed with near stator，During main axis，Rotor rotates with it，Unbalance loading is produced under the effect of coil magnetic field，Boring bar bends under uneven loading action，Realize the accurate boring of noncircular pin hole，Noncircular pin hole Precision Machining boring bar disclosed in this invention，The impact that boring bar produces when bearing load is little，Boring bar stable working is good，Flexible member convenient fixing is reliable，Service life is long，Boring bar is convenient mounting and clamping in rotor，Clamping force is big，Boring bar is fixing reliable.
Description
Technical field
The present invention relates to machinery design field, particularly relate to a kind of noncircular pin hole Precision Machining boring bar.
Background technology
Piston as the critical component of whole electromotor, its performance directly affect electromotor and the integral power of automobile,
Transmission system performance index.Owing to engine speed increases and the raising of output demand so that the combustion gas that piston is born
Pressure and inertia force are increasing, and piston pin hole is as its key structure position, and suffered stress is the most increasing.Test knot
Fruit shows, it is big 147 times that the interior lateral stress of traditional cylindrical pin hole compares outer lateral stress.Owing to stress is along piston pin hole axis
The high concentration of lateral stress in the most uneven and piston pin hole of distribution, accelerates the fatigue damage of piston, and causes piston to break
Split, the accident such as scuffing of cylinder bore, have a strong impact on the reliability of internal combustion engine, piston pin hole be processed into noncircular pin hole and can be substantially reduced in it
Lateral stress and outside stress difference, improve the service life of piston.
Summary of the invention
The purpose of the present invention is contemplated to overcome the defect of prior art, devises a kind of noncircular pin hole Precision Machining boring
Bar.
Solve the technical problem that required by the present invention and can be achieved through the following technical solutions:
A kind of noncircular pin hole Precision Machining boring bar, including rotor, boring cutter, boring bar, described boring bar clamping in described rotor,
Described boring cutter is fixed on the right-hand member periphery of described boring bar, also includes main shaft, flexible hanger, stator, coil, flexible member,
Use described flexible hanger to connect between described main shaft and described rotor, described rotor relative to described main shaft at the work of partial load
Deflecting under with, be respectively fixed with described stator above and below described rotor, the vicinity of described stator is fixing
Stating coil, during described main axis, described rotor rotates with it, and produces unbalance loading, described boring under the effect of described coil magnetic field
Bar bends under uneven loading action.
The right-hand member of described main shaft and the left end of described rotor are respectively fixed with described flexible member.
The right part of described main shaft is provided with step, and described flexible member is i.e. fixed on the right side of step.
Described flexible hanger and described flexible member are fixed as an entirety.
Described rotor be internally provided with clamping structure.
Owing to have employed above technical scheme, present invention have the advantage that
Rotor, boring cutter, boring bar, main shaft, flexible hanger, stator, coil, flexible member is used to combine designed abnormity
Pin-and-hole Precision Machining boring bar, the right-hand member of main shaft and the left end of rotor are respectively fixed with flexible member, and flexible member is conducive to reducing
The impact that boring bar produces when bearing load, boring bar stable working is good, and the right part of main shaft is provided with step, and flexible member is the most solid
Being scheduled on the right side of step, flexible member convenient fixing is reliable, and flexible hanger and flexible member are fixed as an entirety, is conducive to
Improve boring bar bearing capacity operationally, service life is long, rotor be internally provided with clamping structure, boring bar is built-in at rotor
Folder is convenient, and clamping force is big, and boring bar is fixing reliable.
Accompanying drawing explanation
Fig. 1 is present configuration front-view schematic diagram；
In figure each assembly and reference be respectively as follows: 1, main shaft；2, flexible hanger；3, boring-rod jig；4, stator；5, line
Circle；6, flexible member；7, boring cutter；8, boring bar.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of noncircular pin hole Precision Machining boring bar, including main shaft 1, flexible hanger 2, rotor 3, stator 4, coil 5, elastic unit
Part 6, boring cutter 7, boring bar 8, use flexible hanger 2 to connect between main shaft 1 and rotor 3, rotor 3 can be in unbalance loading relative to main shaft 1
Deflecting easily under the effect of lotus, boring bar 8 clamping is in rotor 3, and boring cutter 8 is fixed on the right-hand member periphery of boring bar 8,
Being respectively fixed with stator 4 above and below rotor 3, be fixed with coil 5 near stator 4, when main shaft 1 rotates, rotor 3 is with it
Rotating, produce unbalance loading under the effect in coil 5 magnetic field, boring bar 8 bends under uneven loading action, it is achieved the accurate boring of noncircular pin hole
Cut.
The right-hand member of main shaft 1 and the left end of rotor 3 are respectively fixed with flexible member 6, and flexible member 6 is conducive to reducing boring bar 8
The impact produced when bearing load, boring bar 8 stable working is good.
The right part of main shaft 1 is provided with step, and flexible member 6 is i.e. fixed on the right side of step, the fixing side of flexible member 6
The most reliable.
Flexible hanger 2 and flexible member 6 are fixed as an entirety, are conducive to improving boring bar 8 bearing capacity operationally,
Service life is long.
Rotor 3 be internally provided with clamping structure, boring bar 8 is convenient mounting and clamping in rotor 3, and clamping force is big, and boring bar 8 is fixing can
Lean on.
Noncircular pin hole Precision Machining boring bar disclosed in this invention, the right-hand member of main shaft 1 and the left end of rotor 3 are respectively fixed with
Flexible member 6, flexible member 6 is conducive to reducing the impact produced when boring bar 8 bears load, and boring bar 8 stable working is good, main shaft
The right part of 1 is provided with step, and flexible member 6 is i.e. fixed on the right side of step, and flexible member 6 convenient fixing is reliable, flexible
Hinge 2 and flexible member 6 are fixed as an entirety, are conducive to improving boring bar 8 bearing capacity operationally, and service life is long,
Rotor 3 be internally provided with clamping structure, boring bar 8 is convenient mounting and clamping in rotor 3, and clamping force is big, and boring bar 8 is fixing reliable.
The ultimate principle of the present invention, principal character and advantages of the present invention are more than shown and described, the technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (5)
1. a noncircular pin hole Precision Machining boring bar, including rotor, boring cutter, boring bar, described boring bar clamping in described rotor, institute
State boring cutter to be fixed on the right-hand member periphery of described boring bar, it is characterised in that: also include main shaft, flexible hanger, stator, coil,
Flexible member, uses described flexible hanger to connect between described main shaft and described rotor, described rotor exists relative to described main shaft
Deflect under the effect of partial load, above and below described rotor, be respectively fixed with described stator, described stator attached
Closely being fixed with described coil, during described main axis, described rotor rotates with it, and produces partially under the effect of described coil magnetic field
Carrying, described boring bar bends under uneven loading action.
A kind of noncircular pin hole Precision Machining boring bar, it is characterised in that: the right-hand member of described main shaft and institute
The left end stating rotor is respectively fixed with described flexible member.
A kind of noncircular pin hole Precision Machining boring bar, it is characterised in that: the right part of described main shaft sets
Being equipped with step, described flexible member is i.e. fixed on the right side of step.
A kind of noncircular pin hole Precision Machining boring bar, it is characterised in that: described flexible hanger is with described
Flexible member is fixed as an entirety.
A kind of noncircular pin hole Precision Machining boring bar, it is characterised in that: the inside of described rotor is arranged
There is clamping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687689.9A CN106141248A (en) | 2016-08-18 | 2016-08-18 | A kind of noncircular pin hole Precision Machining boring bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687689.9A CN106141248A (en) | 2016-08-18 | 2016-08-18 | A kind of noncircular pin hole Precision Machining boring bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106141248A true CN106141248A (en) | 2016-11-23 |
Family
ID=57330974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687689.9A Pending CN106141248A (en) | 2016-08-18 | 2016-08-18 | A kind of noncircular pin hole Precision Machining boring bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106141248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603189A (en) * | 2020-12-08 | 2022-06-10 | 深南电路股份有限公司 | Milling device and milling method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743111A (en) * | 2005-09-22 | 2006-03-08 | 山东大学 | Boring mill for working special-shaped curved hole |
| CN1995775A (en) * | 2006-11-30 | 2007-07-11 | 南京航空航天大学 | Method for actively inhibiting pulsation of machine tool main shaft and device therefor |
| EP1918049B1 (en) * | 2006-10-30 | 2012-10-17 | Wieland Anlagentechnik GmbH | Method for boring workpieces with a machine |
| CN104084624A (en) * | 2014-06-04 | 2014-10-08 | 池州学院 | Giant magnetostrictive material-driven intelligent boring rod |
| CN205927204U (en) * | 2016-08-18 | 2017-02-08 | 池州学院 | Dysmorphism pinhole precision finishing boring bar |
-
2016
- 2016-08-18 CN CN201610687689.9A patent/CN106141248A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743111A (en) * | 2005-09-22 | 2006-03-08 | 山东大学 | Boring mill for working special-shaped curved hole |
| EP1918049B1 (en) * | 2006-10-30 | 2012-10-17 | Wieland Anlagentechnik GmbH | Method for boring workpieces with a machine |
| CN1995775A (en) * | 2006-11-30 | 2007-07-11 | 南京航空航天大学 | Method for actively inhibiting pulsation of machine tool main shaft and device therefor |
| CN104084624A (en) * | 2014-06-04 | 2014-10-08 | 池州学院 | Giant magnetostrictive material-driven intelligent boring rod |
| CN205927204U (en) * | 2016-08-18 | 2017-02-08 | 池州学院 | Dysmorphism pinhole precision finishing boring bar |
Non-Patent Citations (1)
| Title |
|---|
| 张凯等: "一种基于电磁驱动的非圆异形孔加工方法", 《上海交通大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603189A (en) * | 2020-12-08 | 2022-06-10 | 深南电路股份有限公司 | Milling device and milling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109322848B (en) | Rotor assembly of gas compressor test piece and gas compressor test piece | |
| US8918994B2 (en) | Balancing a pendulum-absorber crankshaft | |
| CN105784380B (en) | Aero-engine compressor rotor blade system fault detection method | |
| US8801379B2 (en) | Wheel and replaceable nose piece | |
| CN112014109B (en) | Simulation test device for loss of aero-engine rotor blade | |
| US20170089423A1 (en) | Crankshaft and method of balancing the same | |
| CN103080498A (en) | Bearing housing of an exhaust-gas turbocharger | |
| CN106141248A (en) | A kind of noncircular pin hole Precision Machining boring bar | |
| US9388697B2 (en) | First stage compressor disk configured for balancing the compressor rotor assembly | |
| US10428691B2 (en) | Bearing device for a turbocharger and turbocharger | |
| CN104374282A (en) | Inspection method for air gap between stator and rotor of permanent magnet motor | |
| CN205927204U (en) | Dysmorphism pinhole precision finishing boring bar | |
| CN108487993B (en) | Rotor structure and engine | |
| CN212748273U (en) | Tool for impeller overspeed test | |
| CN105547534B (en) | It can measure the elastic bearing of rotor axial load | |
| JP6018964B2 (en) | Turbocharger | |
| CN211477553U (en) | Vibration test device of aero-engine blisk | |
| US20160138645A1 (en) | Crankshaft for a Reciprocating Piston Engine | |
| CN101846058B (en) | Split connecting rod for refrigerating compressor | |
| CN203394641U (en) | Gas turbine | |
| CN101482036A (en) | Engine camshaft bearing cover and its processing method | |
| CN103389010B (en) | Rocket projectile with vanes fixed in gapless manner and unstressed lug hinge pins on tail section | |
| CN213425947U (en) | Magnetor mounting structure of extended range gasoline engine | |
| CN201771722U (en) | Split connecting rod for refrigerating compressor | |
| US20190169992A1 (en) | Turbomachinery blade and method of fabricating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
|
| WD01 | Invention patent application deemed withdrawn after publication |