CN106180829A - A kind of CNC technological method for processing - Google Patents
A kind of CNC technological method for processing Download PDFInfo
- Publication number
- CN106180829A CN106180829A CN201610547897.9A CN201610547897A CN106180829A CN 106180829 A CN106180829 A CN 106180829A CN 201610547897 A CN201610547897 A CN 201610547897A CN 106180829 A CN106180829 A CN 106180829A
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- processing
- cutting
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- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
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- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a kind of CNC technological method for processing, including following methods: (1) chooses the cutter of oneself working steel products type suitable, to cutter during the different steel of processing, test tool before processing with processing after attrition value and perform record;(2) test tool wear data value, after roughing machines, choose finishing tool elder generation precision-machined parts feature and periphery is reserved 0.2mm steel material and do not processed, after one-piece parts machines, doing quasi-data polish again, high-quality cutter meets machining tolerance positive and negative 0.02mm scope;(3) CNC milling mode is divided into climb cutting and two kinds of processing modes of upmilling, and the surface roughness of upmilling processing is better than the surface roughness of climb cutting processing.Technological method for processing of the present invention, can extensively apply in each field of machining, according to each shop equipment condition, uses above method can improve the efficiency of machinery, the machining quality that more can improve at short notice, shortens the process-cycle, reduce production cost.
Description
Technical field
The present invention relates to numerical controlled machinery technical field, specifically a kind of CNC technological method for processing.
Background technology
CNC (Digit Control Machine Tool) is the abbreviation of computer digital control machine tool (Computer numerical control),
It is a kind of by programme controlled automated machine tool.This control system can logically process have control coding or other symbols refer to
Make regulated procedure, decoded by computer, so that lathe performs the action provided, by Tool in Cutting by hair
Blank is processed into semi-finished product fabricated part.
At present whole world mould circle with widest a kind of numerical control machining machine, but either Imported Precision or domestic CNC
Numerical controlled machinery, mould parts process after either surface smoothness, roughness is all unable to reach precision component requirement, especially
Being large mold part, CNC is unable to reach precision data after processing, and will again and again repeat upper machining, cause and add
Work progress is slow, and working (machining) efficiency is low, and labor strength is big, overlong time, and mould hands over the phase to delay, high cost, mould profit
Low.
Summary of the invention
It is an object of the invention to provide a kind of CNC technological method for processing, with asking of solving to propose in above-mentioned background technology
Topic.
For achieving the above object, the present invention provides following technical scheme:
A kind of CNC technological method for processing, including following methods:
(1) cutter of oneself working steel products type suitable is chosen, be to cutter during the different steel of processing, test tool exists
Processing before with processing after attrition value and perform record;
(2) test tool wear data value, after machining, chooses finishing tool elder generation precision-machined parts feature in roughing
And periphery reserves 0.2mm steel material and do not process, after one-piece parts machines, then doing quasi-data polish, high-quality cutter meets
Machining tolerance positive and negative 0.02mm scope;
(3) CNC milling mode is divided into climb cutting and two kinds of processing modes of upmilling, the surface roughness of upmilling processing to be better than climb cutting and add
The surface roughness of work.
As the further scheme of the present invention: in method (1), tool wear value is to weigh with the time, one hour, two
Individual hour, three hours each time period wear data values.
As the present invention further scheme: the specific experiment method of method (3) including:
A () changes radially cutting-in i.e. working engagement of the cutting edge ae=0.3~0.7 mm, with rotating speed n=600 r/min, amount of feeding ∫=200m/
The method cutting workpiece of min, gathers the trizonal data in two ends and centre, and calculates average each machined surface
Value;
B () changes the amount of feeding. ∫=100~500mm/min, and with rotating speed n=600 r/min, the deepest i.e. working engagement of the cutting edge ae=
The method cutting workpiece of 0.5mm, gathers the data in region at rear and front end and middle three, and calculates each machined surface
Meansigma methods;
C () changes rotating speed n=600~1400 r/min, with amount of feeding ∫=200 mm/min, and the deepest i.e. working engagement of the cutting edge ae=
The method cutting workpiece of 0.5 mm, gathers the data in region at rear and front end and middle three, and calculates each machined surface
Go out meansigma methods.
Compared with prior art, the invention has the beneficial effects as follows: technological method for processing of the present invention, can extensively apply each machine
In tool manufacture field, according to each shop equipment condition, use above method can improve the efficiency of machinery at short notice, more can
The machining quality improved, shortens the process-cycle, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of one-piece parts 1 in CNC technological method for processing.
Fig. 2 is the structural representation of one-piece parts 2 in CNC technological method for processing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
In the embodiment of the present invention, a kind of CNC technological method for processing, including following methods:
(1) single-minded cutter brand, in numerous cutter brands, chooses the cutter of oneself working steel products type suitable, be to cutter
During the different steel of processing, test tool before processing with processing after attrition value and perform record, tool wear value is
Weigh with the time, one hour, two hours, three hours wait each time period wear data value, processing large mold this
Individual is very important assessment data value;
(2) how test tool wear data value, as it is shown in figure 1, after machining in roughing, choose finishing tool
First feature shown in polish Fig. 2 periphery are reserved 0.2mm steel material and are not processed, after whole one-piece parts machines then right
Fig. 2 indicates spy to do quasi-data polish, thus can be with test tool attrition value, if meeting the positive and negative 0.02mm of machining tolerance
Scope, explanation is Premium Brands cutter, otherwise is just found the brand cutter meeting oneself mould-type by the most repeatedly test,
Could disposably process successfully and meet machining tolerance scope;
(3) CNC milling mode also can affect machining accuracy, and CNC only has climb cutting and two kinds of processing modes of upmilling, but two kinds of processing sides
Having the biggest difference between formula, it affects precision is also the most crucial factor, is concluded that by following experimental data
Experimental technique one: change radially cutting-in (working engagement of the cutting edge) ae=0.3~0.7 mm, with rotating speed, n=600 r/min, the amount of feeding
The method cutting workpiece of ∫=200m/min, gathers the trizonal data in two ends and centre, and calculates each machined surface
Go out meansigma methods such as table 1.
According to different radial direction cutting-ins, the meansigma methods of climb cutting and upmilling surface finish measurement is as shown in table 1.
Experimental technique two: change the amount of feeding. ∫=100~500mm/min, with rotating speed n=600 r/min, the deepest (side
Bite) the method cutting workpiece of ae=0.5mm, each machined surface is gathered the number in region at rear and front end and middle three
According to, and calculate meansigma methods such as table 2.
Using the different amount of feeding by table 2, the meansigma methods of climb cutting and upmilling surface finish measurement is as shown in table 2.
Experimental technique three: change rotating speed n=600~1 400 r/min, with amount of feeding ∫=200 mm/min, the deepest
The method cutting workpiece of (working engagement of the cutting edge) ae=0.5 mm, gathers region at rear and front end and middle three to each machined surface
Data, and calculate meansigma methods such as table 3.
As shown in table 3 by table 3 meansigma methods of climb cutting and upmilling surface finish measurement under different rotating speeds.
By above three groups of experimental datas it can be seen that under common milling condition, the surface roughness of upmilling processing
It is better than the surface roughness of climb cutting processing.
Experiment proves technological method for processing of the present invention, can extensively apply in each field of machining, set according to each factory
Standby condition, uses above method can improve the efficiency of machinery at short notice, and the machining quality that more can improve, shortening adds
In the work cycle, reduce production cost.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (3)
1. a CNC technological method for processing, it is characterised in that include following methods:
(1) cutter of oneself working steel products type suitable is chosen, be to cutter during the different steel of processing, test tool exists
Processing before with processing after attrition value and perform record;
(2) test tool wear data value, after machining, chooses finishing tool elder generation precision-machined parts feature in roughing
And periphery reserves 0.2mm steel material and do not process, after one-piece parts machines, then doing quasi-data polish, high-quality cutter meets
Machining tolerance positive and negative 0.02mm scope;
(3) CNC milling mode is divided into climb cutting and two kinds of processing modes of upmilling, the surface roughness of upmilling processing to be better than climb cutting and add
The surface roughness of work.
CNC technological method for processing the most according to claim 1, it is characterised in that in method (1) tool wear value be with time
Between weigh, one hour, two hours, three hours each time period wear data values.
CNC technological method for processing the most according to claim 1, it is characterised in that the specific experiment method bag of method (3)
Include:
A () changes radially cutting-in i.e. working engagement of the cutting edge ae=0.3~0.7 mm, with rotating speed n=600 r/min, amount of feeding ∫=200m/
The method cutting workpiece of min, gathers the trizonal data in two ends and centre, and calculates average each machined surface
Value;
B () changes the amount of feeding. ∫=100~500mm/min, and with rotating speed n=600 r/min, the deepest i.e. working engagement of the cutting edge ae=
The method cutting workpiece of 0.5mm, gathers the data in region at rear and front end and middle three, and calculates each machined surface
Meansigma methods;
C () changes rotating speed n=600~1400 r/min, with amount of feeding ∫=200 mm/min, and the deepest i.e. working engagement of the cutting edge ae=
The method cutting workpiece of 0.5 mm, gathers the data in region at rear and front end and middle three, and calculates each machined surface
Go out meansigma methods.
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CN106180829B CN106180829B (en) | 2018-04-10 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106826123A (en) * | 2017-02-16 | 2017-06-13 | 苏州微缜电子科技有限公司 | A kind of processing technology of metal insulation chip test needle frame |
CN114309817A (en) * | 2022-03-03 | 2022-04-12 | 成都航天精诚科技有限公司 | Manufacturing and detecting method of high-precision large-specification strip-shaped workpiece |
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CN106826123A (en) * | 2017-02-16 | 2017-06-13 | 苏州微缜电子科技有限公司 | A kind of processing technology of metal insulation chip test needle frame |
CN114309817A (en) * | 2022-03-03 | 2022-04-12 | 成都航天精诚科技有限公司 | Manufacturing and detecting method of high-precision large-specification strip-shaped workpiece |
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