CN109459977A - Numerical control lathe machining prgraming method for non-concentric structure - Google Patents
Numerical control lathe machining prgraming method for non-concentric structure Download PDFInfo
- Publication number
- CN109459977A CN109459977A CN201811605120.9A CN201811605120A CN109459977A CN 109459977 A CN109459977 A CN 109459977A CN 201811605120 A CN201811605120 A CN 201811605120A CN 109459977 A CN109459977 A CN 109459977A
- Authority
- CN
- China
- Prior art keywords
- cutting
- numerical control
- cutting tool
- control lathe
- concentric structure
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4093—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
- G05B19/40937—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of machining or material parameters, pocket machining
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Turning (AREA)
Abstract
The invention belongs to Computerized Numerical Control processing technology fields, and in particular to a kind of numerical control lathe machining prgraming method for non-concentric structure.Numerical control lathe machining prgraming method of the present invention comprises steps of determining that the track of targeted graphical, and the targeted graphical is the off-centre operation in cylindrical body；Choose corresponding cutting tool；Plan the cutting point of the cutting tool；Determine the Movement Locus Equation of the cutting tool；It determines cutting parameter when cutting tool cutting, when the workpiece being made to rotate 180 °, completes whole cutting depth, and when the workpiece rotates 360 °, the cutting tool is made to return to the position of the cutting point.By using the numerical control lathe machining prgraming method of the present invention for non-concentric structure, the turnery processing of the part of non-concentric structure feature can effectively be completed, the range of work and utilization rate of numerically controlled lathe are improved, Product Precision is improved, reduces the process-cycle.
Description
Technical field
The invention belongs to Computerized Numerical Control processing technology fields, and in particular to a kind of numerical control Vehicle Processing volume for non-concentric structure
Cheng Fangfa.
Background technique
Numerically controlled lathe is widely used in processing rotary part, but numerous parts are structurally, existing lathe part
Feature is turned round, and has typical milling category feature.Processing for this type part traditionally needs to exist for different features
It is processed on numerically controlled lathe or CNC milling machine, needs to be had enough to meet the need on different lathes, and repeat clamping and positioning,
To will cause Clamped Positioning Error, the accuracy of manufacture of product is influenced, and extend the process-cycle of product.
From processing efficiency, the processing efficiency of numerically controlled lathe is apparently higher than CNC milling machine, and conventional numerically controlled lathe ratio
CNC milling machine is cheap, is widely used in the factory.Therefore, the common basic 2 Shaft and NC Machining Test lathe of research and utilization realizes non-concentric
The turnery processing of design of part feature has important engineering realistic meaning.
Summary of the invention
The purpose of the present invention is being capable of providing a kind of numerical control lathe machining prgraming method for non-concentric structure, so as to energy
Enough solve the turnery processing of the part of non-concentric structure feature.
Numerical control lathe machining prgraming method of the present invention for non-concentric structure, including following steps:
Determine the track of targeted graphical, the targeted graphical is the off-centre operation in cylindrical body；
Choose corresponding cutting tool；
Plan the cutting point of the cutting tool；
Determine the Movement Locus Equation of the cutting tool；
It determines cutting parameter when cutting tool cutting, when the workpiece being made to rotate 180 °, it is deep to complete all cuttings
Degree, and when the workpiece rotates 360 °, so that the cutting tool is returned to the position of the cutting point.
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure as described above, when selection relative value
Programming G91 and when using the cutting point of the cutting tool as origin, the motion profile of the cutting tool is X=-D, X=0,
In, D is cutting depth, unit mm.
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure as described above, which is characterized in that adopt
Use grooving cutter as the cutting tool.
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure as described above, by the cylindrical body
Lateral surface on any point as the cutting point.
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure, the cutting parameter as described above
Including back engagement of the cutting edge, the amount of feeding and cutting speed.
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure as described above, when the numerical control lathe
Speed of mainshaft when being N r/min, then when the workpiece rotates 180 °, required time is 1/2N min, i.e., the described amount of feeding is
2ND mm/min。
Further, it is used for the numerical control lathe machining prgraming method of non-concentric structure as described above, the cylindrical body to be
Cylindrical body.
By using the numerical control lathe machining prgraming method of the present invention for non-concentric structure, by cylindrical body
On off-centre operation program composition, control cutting line and cutting parameter, can effectively complete non-concentric structure feature
The turnery processing of part improves the range of work and utilization rate of numerically controlled lathe, improves Product Precision, reduces the process-cycle.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is the flow chart of numerical control lathe machining prgraming method in the present invention；
Fig. 2 is the track schematic diagram of targeted graphical in the embodiment of the present invention；
Fig. 3 is the cutting point position of cutting tool when carrying out target image processing using numerical control lathe machining prgraming method in Fig. 1
Set structural schematic diagram；
Fig. 4 is the side structure schematic diagram of the cutting point position of cutting tool in Fig. 3；
Fig. 5 is that the maximum of cutting tool is cut when carrying out target image processing using numerical control lathe machining prgraming method in Fig. 1
Depth location structural schematic diagram；
Fig. 6 is the side structure schematic diagram of the maximum depth of cut position of cutting tool in Fig. 5.
Respectively label is expressed as follows in attached drawing:
10: cylindrical work；
20: cutting tool；
A: the cutting point position of cutting tool, B: the maximum depth of cut position of cutting tool.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State for " below other elements or feature " either the element " below other elements or feature " will then be orientated "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can
To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein
Spatial correlation descriptor correspondingly explains.
Fig. 1 is the flow chart of numerical control lathe machining prgraming method in the present invention.As shown in Figure 1, being used in the present invention is non-same
The heart circle structure numerical control lathe machining prgraming method the following steps are included:
Determine the track of targeted graphical, targeted graphical is the off-centre operation in cylindrical body.
Choose corresponding cutting tool.
Plan the cutting point of cutting tool.
Determine the Movement Locus Equation of cutting tool.
Determine that cutting parameter when cutting tool cutting can complete whole cutting depth when workpiece being made to rotate 180 °, and
When workpiece rotates 360 °, cutting tool is enable to return to the position of cutting point.
Numerical control lathe machining prgraming method in the present invention is mainly used for the processing to the off-centre operation in cylindrical body, especially right
The processing of off-centre operation structure feature on cylindrical end face.Since cylindrical body is when carrying out turnery processing, the centre of gyration and machine
The center line of the main shaft of bed coincides, so the central axes of the circular configuration processed using the Excircle machining program of normal form
It coincides with the central axes of cylindrical body, as concentric circles is structure.And according to the present invention in programmed method, by cylindrical body
On off-centre operation program composition, control cutting line and cutting parameter, can effectively complete non-concentric structure feature
The turnery processing of part improves the range of work and utilization rate of numerically controlled lathe, improves Product Precision, reduces the process-cycle.
Certainly, the machining prgraming method in the present invention is not limited solely to adding to the off-centre operation structure of cylindrical end face
Work can be also used for the processing of the off-centre operation on the end face to other cylindrical constructions, such as cuboid, square or other columns
Body weighs the central axes of the circular configuration processed on its end face and the central axes of the centre of gyration of cylindrical body itself not
It closes.In processing, cutting depth need to be constantly only adjusted, or the end face of cylindrical body is machined to the foreign steamer of approaching target figure
Exterior feature, using the machining prgraming method in the present invention.
Wherein, cutting parameter includes back engagement of the cutting edge, the amount of feeding and cutting speed.Program G91 and when choosing relative value to cut
When the cutting point of cutting knife tool is origin, the motion profile of cutting tool is X=-D, X=0, wherein D is cutting depth, and unit is
mm.When the speed of mainshaft of numerical control lathe is N r/min, then when workpiece rotates 180 °, required time is 1/2N min, the i.e. amount of feeding
For 2ND mm/min.Back engagement of the cutting edge is then the width of cutting tool.Wherein, G91 is often referred to incremental value programming, uses this instruction
The program of generation is relative to the incremental value of previous position.In the present invention in numerical control lathe machining prgraming method, cutting
The terminal point coordinate of cutter is the incremental value of opposite cutting point.The motion profile of cutting tool is X=-D, and X=0 indicates cutting
Cutter when carrying out linear interpolation campaign, transported by the central axes direction that cutting point is positioned against cylindrical body first by cutting tool
It is dynamic, moving distance D.Then cutting tool is returned along original route, until cutting point position is returned to, to complete to cut
Journey.
The present invention is by the way that while workpiece makes rotating motion with machine tool chief axis, cutting tool is same along the radial direction of workpiece
When do feed motion, to change the center location of target image, form off-centre operation structure.
Specifically, the cutting tool in programming processing method in the present invention is grooving cutter.It, can by using grooving cutter
The off-centre operation structure with one fixed width is formed on cylindrical body surface.If during cutting at one time, the width of grooving cutter
It is impossible to meet the width of off-centre operation structure, then can be by adjusting cutter after cutting at one time along the seat of cylindrical body axial direction
Scale value and Z value carry out the processing of off-centre operation by changing the position of grooving cutter again.By the Z value for repeatedly adjusting grooving cutter
And the processing of off-centre operation is carried out, meet the requirement of the width dimensions of off-centre operation structure.
Machining prgraming method in the present invention certainly can also primarily directed to the processing of the off-centre operation on cylindrical body end face
To be cut, to complete cylindrical body and take up an official post according to actual needs using any point on the lateral surface of cylindrical body as cutting point
The processing of the off-centre operation structure of meaning position.
Fig. 2 is the track schematic diagram of targeted graphical in the embodiment of the present invention.As shown in Fig. 2, in an implementation of the invention
In example, targeted graphical is the off-centre operation structure on the end face of cylindrical workpiece 10.Cylindrical workpiece 10 is fixed on machine tool chief axis,
The centre of gyration of cylindrical workpiece 10 is the central axes of cylindrical workpiece 10.Cutting point position such as Fig. 3, the figure of cutting tool 20
Shown in 4, cutting tool 20 and the outer surface of cylindrical workpiece 10 fit.Rotation fortune is done with machine tool chief axis in cylindrical workpiece 10
While dynamic, cutting tool 20 does feed motion along the radial direction of cylindrical workpiece 10, to change the center of circle of targeted graphical
Position is overlapped the central axes for cutting the circular configuration come not with the central axes of cylindrical workpiece, to obtain off-centre operation knot
Structure.
Fig. 5 is that the maximum of cutting tool is cut when carrying out target image processing using numerical control lathe machining prgraming method in Fig. 1
Depth location structural schematic diagram.Fig. 6 is the side structure schematic diagram of the maximum depth of cut position of cutting tool in Fig. 5.Such as figure
5, shown in Fig. 6, the eccentric distance if you need to setting is h/2, then the radial dimension for cutting the off-centre operation structure and cylindrical body come is inclined
Difference is h.The cutting point position of cutting tool 20 is A, is fitted with the surface of cylindrical workpiece 10.When workpiece rotates 180 °,
Cutting tool 20 can complete whole cutting depth, and reach the position B in Fig. 6.When workpiece rotates 360 °, make cutting tool
20 can return to position A, so that cutting tool 20 is completed circular to target in the case where cylindrical workpiece 10 rotates one week
Contour machining realizes the processing of the off-centre operation structure on cylindrical workpiece 10.
In the present embodiment, the radial dimension deviation of off-centre operation structure and cylindrical workpiece 10 is 1mm, then maximum depth of cut
It also is 1mm.Wherein the speed of mainshaft of lathe is 15r/min, then 4s the time required to 10 every revolution of cylindrical workpiece, then cutting
It is half-turn that cutter 20, which moves to position B from position A, i.e., required time is 2s.Cutting depth from A to B is 1mm, then feeding
Speed is 0.5mm/s, then feed speed per minute is 60*0.5mm/min=30mm/min.To set machine tool chief axis
Revolving speed is 15r/min, feed speed 30mm/min, and the bias that the eccentricity on cylindrical workpiece 10 is 0.5mm can be completed
The processing of circle structure.
By using the numerical control lathe machining prgraming method of the present invention for non-concentric structure, by cylindrical body
On off-centre operation program composition, control cutting line and cutting parameter, can effectively complete non-concentric structure feature
The turnery processing of part improves the range of work and utilization rate of numerically controlled lathe, improves Product Precision, reduces the process-cycle.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (7)
1. a kind of numerical control lathe machining prgraming method for non-concentric structure, which comprises the following steps:
Determine the track of targeted graphical, the targeted graphical is the off-centre operation in cylindrical body；
Choose corresponding cutting tool；
Plan the cutting point of the cutting tool；
Determine the Movement Locus Equation of the cutting tool；
It determines cutting parameter when cutting tool cutting, when the workpiece being made to rotate 180 °, completes whole cutting depth, and
When the workpiece rotates 360 °, the cutting tool is made to return to the position of the cutting point.
2. the numerical control lathe machining prgraming method according to claim 1 for non-concentric structure, which is characterized in that elected
Take relative value programming G91 and when using the cutting point of the cutting tool as origin, the motion profile of the cutting tool is X=-
D, X=0, wherein D is cutting depth, unit mm.
3. the numerical control lathe machining prgraming method according to claim 1 for non-concentric structure, which is characterized in that use
Grooving cutter is as the cutting tool.
4. the numerical control lathe machining prgraming method according to claim 1 for non-concentric structure, which is characterized in that by institute
Any point on the lateral surface of cylindrical body is stated as the cutting point.
5. the numerical control lathe machining prgraming method of non-concentric structure is used for according to any one of claim 2-4, it is special
Sign is that the cutting parameter includes back engagement of the cutting edge, the amount of feeding and cutting speed.
6. the numerical control lathe machining prgraming method according to claim 5 for non-concentric structure, which is characterized in that work as institute
When the speed of mainshaft for stating numerical control lathe is N r/min, then when the workpiece rotates 180 °, required time is 1/2N min, i.e., described
The amount of feeding is 2ND mm/min.
7. the numerical control lathe machining prgraming method of non-concentric structure is used for described in any one of -4 according to claim 1, it is special
Sign is that the cylindrical body is cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605120.9A CN109459977A (en) | 2018-12-26 | 2018-12-26 | Numerical control lathe machining prgraming method for non-concentric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605120.9A CN109459977A (en) | 2018-12-26 | 2018-12-26 | Numerical control lathe machining prgraming method for non-concentric structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459977A true CN109459977A (en) | 2019-03-12 |
Family
ID=65614920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811605120.9A Pending CN109459977A (en) | 2018-12-26 | 2018-12-26 | Numerical control lathe machining prgraming method for non-concentric structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459977A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429463A (en) * | 1981-10-21 | 1984-02-07 | Angell Bruce R | Machinist electro-mechanical dynamic datum point locator tool |
| CN101254547A (en) * | 2008-01-04 | 2008-09-03 | 上海东方泵业(集团)有限公司 | Method for processing taper shank drill into straight shank drill |
| CN102319920A (en) * | 2011-06-10 | 2012-01-18 | 江西昌河航空工业有限公司 | The eccentric milling method of non-complete circle cylinder or non-regular cylinder surface of revolution |
| CN102430784A (en) * | 2010-09-29 | 2012-05-02 | 中国北车集团大连机车研究所有限公司 | Eccentric machining method for excircle of piston |
| CN104439896A (en) * | 2014-11-05 | 2015-03-25 | 武汉重工铸锻有限责任公司 | Machining method for special-shaped pipe fitting with boss on eccentric outer circle and flange structures at two ends |
-
2018
- 2018-12-26 CN CN201811605120.9A patent/CN109459977A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429463A (en) * | 1981-10-21 | 1984-02-07 | Angell Bruce R | Machinist electro-mechanical dynamic datum point locator tool |
| CN101254547A (en) * | 2008-01-04 | 2008-09-03 | 上海东方泵业(集团)有限公司 | Method for processing taper shank drill into straight shank drill |
| CN102430784A (en) * | 2010-09-29 | 2012-05-02 | 中国北车集团大连机车研究所有限公司 | Eccentric machining method for excircle of piston |
| CN102319920A (en) * | 2011-06-10 | 2012-01-18 | 江西昌河航空工业有限公司 | The eccentric milling method of non-complete circle cylinder or non-regular cylinder surface of revolution |
| CN104439896A (en) * | 2014-11-05 | 2015-03-25 | 武汉重工铸锻有限责任公司 | Machining method for special-shaped pipe fitting with boss on eccentric outer circle and flange structures at two ends |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106843152B (en) | A kind of Bresse normal circle hole numerical-control processing method based on five-axis machine tool on-line measurement | |
| JP3884884B2 (en) | In-corner cutting method and cutting tool | |
| CN110262397B (en) | Method for modeling spiral trochoid motion trajectory and instantaneous cutting force in turn-milling machining space | |
| EP3101498A1 (en) | Machining method and machine-tool control device | |
| Morishige et al. | 5-axis control rough cutting of an impeller with efficiency and accuracy | |
| CN109434219A (en) | A kind of four axis side edge mill teeth methods | |
| JP4987214B2 (en) | Automatic lathe and its control method and control device | |
| CN103752924A (en) | One-axis stepping and three-axis linkage space curved surface milling method | |
| CN102049703A (en) | Space coordinate transformation method suitable for turning-milling machining of parts with complex structures | |
| CN109459977A (en) | Numerical control lathe machining prgraming method for non-concentric structure | |
| CN101633126B (en) | Configuration method of clamping tool suitable to machine tool for processing complicated workpiece | |
| JPH033716A (en) | Deburring | |
| JPH06206112A (en) | Working for large-sized runner vane blade surface | |
| JP6139768B1 (en) | Manufacturing method of elliptical eccentric body formed by connecting two eccentric cylinders | |
| JP2011230267A (en) | Method and device for cutting in-corner of recess | |
| JPS63144941A (en) | Complex grinding device | |
| CN110297458B (en) | Method for realizing processing path of vacuum cup polishing machine | |
| CN208245819U (en) | A kind of revolving body processing patterns device | |
| CN113848807A (en) | Cutting area dividing method for numerical control machining surface of complex curved surface | |
| CN104400328B (en) | Numerical control machining technology of wedge crankcase cover bearing holes | |
| JP2000084780A (en) | Nc machining machinery | |
| JPH05162002A (en) | Combined machine tool with detector for dimension and position of work to be machined | |
| JP2002137119A (en) | Machining method for gear by machining center | |
| JPS6268216A (en) | Machining method for circular arc groove of work | |
| KR100227183B1 (en) | Multiple piston processing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |