CN106270562A - The processing unit (plant) of a kind of deep hole axial narrow tank and processing method - Google Patents
The processing unit (plant) of a kind of deep hole axial narrow tank and processing method Download PDFInfo
- Publication number
- CN106270562A CN106270562A CN201610768185.XA CN201610768185A CN106270562A CN 106270562 A CN106270562 A CN 106270562A CN 201610768185 A CN201610768185 A CN 201610768185A CN 106270562 A CN106270562 A CN 106270562A
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- CN
- China
- Prior art keywords
- cutter
- knife
- handle
- deep hole
- plant
- Prior art date
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Classifications
-
- 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
- B23B27/007—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor for internal turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- 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
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
- B23B29/26—Tool holders in fixed position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/22—Turning-machines or devices with rotary tool heads
- B23B3/24—Turning-machines or devices with rotary tool heads the tools of which do not perform a radial movement; Rotary tool heads therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/04—Overall shape
- B23B2200/0461—Round
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses processing unit (plant) and the processing method of a kind of deep hole axial narrow tank, including the handle of a knife being clamped on lathe cutter saddle, connect on handle of a knife and have knife bar, knife bar installs cutter by the lathe tool handle of a knife of cutter, the blade width of cutter is less than well width to be processed, when applying the processing method of this deep hole axial narrow tank, numerical control program controls axial feed and additional circular motion, turning process becomes the most marginally turning, considerably reduce the cutting force acting on cutter, and the gap between cutter and groove to be processed makes cutter obtain sufficient cooling, ensure that the life-span of cutter, make cutter can keep good cutting ability when processing groove to be processed, improve crudy and production efficiency, this invention is for turnery processing field.
Description
Technical field
The present invention relates to turnery processing field, particularly relate to processing unit (plant) and the processing side of a kind of deep hole axial narrow tank
Method.
Background technology
In nuclear power product, it may appear that on the internal surface of sleeve pipe of minor diameter (φ 160), carry out axial narrow slot (6～10mm)
Processing, and the processing narrow slot degree of depth is relatively deep (10～30mm), and the position of narrow slot is often provided on mother metal owing to design needs
With on the separating surface of built-up welding.In deep hole axial narrow tank, traditional method usually uses double cutting edge dedicated tool to carry out workpiece
Turnery processing, as it is shown in figure 1, blade is designed to the shape consistent with the width of groove to be processed and bottom circular arc, passes through centering
And cutting, narrow slot machines the most at last, i.e. formed turning tool turnery processing.
Traditional vehicle cutting method is when starting deep hole processing axial narrow tank, owing to cutting output is less, additionally it is possible to be smoothed out adding
Work, but along with the depth down of deep hole axial narrow tank, the particularly position of deep hole axial narrow tank are often provided on mother metal and built-up welding
Separating surface on, cutter needs simultaneously two kinds of different materials of turning (steel alloy and rustless steel), and result is exactly that double cutting edge is joined simultaneously
With cutting, cutter bears bigger cutting force so that use the knife bar of conventional knife material to occur vibration even to fracture, thus shadow
Ring the crudy of workpiece；Due to the width of deep hole axial narrow tank less (6 ~ 10mm), it is axial that formed turning tool covers deep hole comprehensively
Narrow slot, causes blade not cool down very well, also frequently results in cutter and fractures or edge wear quickening.Disadvantages mentioned above not only has influence on
The crudy of product, and working (machining) efficiency is relatively low.
Also having a kind of method for turning is must be more much smaller than the width of groove to be processed the width design of blade, uses a point cutter to cut
Cutting, blade turning respectively goes out the isolation channel material inside and outside groove to be processed, and last turning is trapped in the material in the middle of groove to be processed
Material, the narrow width of the blade of this lathe tool, edge strength is poor, and the course of processing is unstable.
Summary of the invention
It is an object of the invention to provide a kind of crudy improving workpiece to be machined, improve the steady of the course of processing simultaneously
The processing unit (plant) of the qualitative deep hole axial narrow tank with efficiency and processing method.
The technical solution used in the present invention is:
The processing unit (plant) of a kind of deep hole axial narrow tank, including the handle of a knife being clamped on lathe cutter saddle, handle of a knife connects and has knife bar,
Knife bar installs cutter by the lathe tool handle of a knife of cutter, it is characterised in that: the blade width of cutter is less than the width of groove to be processed, makes
Cutter can be moved in the width direction in groove.
Being further used as the improvement of technical solution of the present invention, the edge of blade is arc limit.
Being further used as the improvement of technical solution of the present invention, arc limit is circular.
Being further used as the improvement of technical solution of the present invention, the retained part that handle of a knife is clamped on lathe cutter saddle is L-shaped
Structure.
Being further used as the improvement of technical solution of the present invention, the width of blade is at least than the narrow width 1mm of groove to be processed.
Being further used as the improvement of technical solution of the present invention, knife bar biasing is arranged on the handle of a knife side away from rotation axis,
Tool offset is arranged on the knife bar side away from rotation axis, and blade biasing is arranged on lathe tool handle of a knife away from the one of rotation axis
Side.
The processing method of the processing unit (plant) of a kind of deep hole axial narrow tank, comprises the following steps:
1) numerically controlled lathe that processing uses, according to the external diameter of workpiece to be processed and the fixture of clamping handle of a knife is selected, then by be added
Work clamping workpiece is on the table；
2), handle of a knife and fixture thereof are installed, are fixed on lathe cutter saddle；
3), the side bus of the ram centering endoporus of mobile machine tool；
4), lathe cutter saddle is made to drive blade same along axial rotary feeding in groove to be processed by the width of groove to be processed and the degree of depth
Time, blade additional circumference cutting movement；
5), exit cutter, stop processing.
It is further used as the improvement of technical solution of the present invention, when step 3) side bus to be ensured is on the basis of rotation axis,
Its parallelism tolerance is not more than 0.02mm.
Beneficial effects of the present invention: in the processing unit (plant) of this deep hole axial narrow tank, the blade width of cutter is less than to be processed
Well width, when applying the processing method of this deep hole axial narrow tank, numerical control program controls axial feed and additional circular motion,
Turning process becomes the most marginally turning, considerably reduces the cutting force acting on cutter, and cutter is with to be processed
Gap between groove makes cutter obtain sufficient cooling, it is ensured that the life-span of cutter so that cutter is when processing groove to be processed
Good cutting ability can be kept, improve crudy and production efficiency.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of the processing unit (plant) that prior art uses；
Fig. 2 is the front view of the complete Knife handle structure of the embodiment of the present invention；
Fig. 3 is the left view of the complete Knife handle structure of the embodiment of the present invention；
Fig. 4 is the front view of the completed tool structure of the embodiment of the present invention；
Fig. 5 is the left view of the completed tool structure of the embodiment of the present invention；
Fig. 6 is the front view of the processing unit (plant) structure of the embodiment of the present invention；
Fig. 7 is the left view of the processing unit (plant) structure of the embodiment of the present invention；
Fig. 8 is the left view of the processing unit (plant) structure of the embodiment of the present invention.
Detailed description of the invention
With reference to Fig. 1～Fig. 8, the present invention is processing unit (plant) and the processing method of a kind of deep hole axial narrow tank, processing unit (plant) bag
Including, the handle of a knife 1 being clamped on lathe cutter saddle 7, handle of a knife 1 connects knife bar 2, in order to ensure the intensity of handle of a knife 1 with knife bar 2,
Typically handle of a knife 1 and knife bar 2 can be made of one formula, knife bar 2 is provided above with the cutter casket 3 for placing lathe tool handle of a knife 5, cutter
Including lathe tool handle of a knife 5 and the blade 6 being arranged on lathe tool handle of a knife 5, cutter casket 3 fixes lathe tool handle of a knife 5 by knife rest screw 4.Blade 6
The width of width ratio groove to be processed is little, makes cutter have space to be moved in the width direction in groove.In the course of processing, blade 6 is axial
Circular motion (with reference to track of tool center sport 61 and the Tool in Cutting track 62 of Fig. 8), turning it is attached with while feeding
Cheng Bianwei the most marginally turning, considerably reduces the cutting force acting on cutter；Between between cutter and groove to be processed
Gap makes cutter be adequately cooled, it is ensured that cutting wear so that cutter can keep fine when processing groove to be processed
Cutting ability.
Referring in particular to Fig. 3, knife bar 2 biasing is arranged on the handle of a knife 1 side away from rotation axis, and tool offset is arranged on knife bar
2 are arranged on the lathe tool handle of a knife 5 side away from rotation axis away from the side of rotation axis, blade 6 biasing.Blade 6 sets the most at last
Put in the farthest away from rotation axis, cutter can be prevented effectively from when turnery processing or knife bar 2 collides workpiece to be processed
9。
As the preferred embodiment of the present invention, blade 6 is designed arc-shaped appearance, further ensures that in working angles cutter and treats
Processing workpiece 9 is point cantact always, so that cutting force maintains relatively low level.Blade 6 is designed as circle by the present embodiment,
Certainly ellipse is also a kind of design.The rear design back taper of blade 6, i.e. tool clearance αO, in order to reduce cutter with to be processed
The contact of groove.
As the preferred embodiment of the present invention, it is L-shaped structure that handle of a knife 1 is clamped in the retained part on lathe cutter saddle 7,
Handle of a knife 1 is compressed with lathe cutter saddle screw 7.The present invention increases the contact area of handle of a knife 1 and lathe cutter saddle 7, improves stability；Cutter
Bar 2 uses also heavy in section design, although be only mounted with a cutter, but after the rigidity reinforced of knife bar 2, knife bar 2 work in-process
Vibration decreases, and Tutrning Process is more stable.
The width of the blade 6 at least ratio narrow width 1mm of groove to be processed, selects the width of then blade with to be processed in the present embodiment
The width spaces of groove is 2mm, and the material of blade 6 selects thermohardening material good, impact-resistant, such as diamond or other high property
Can high-speed steel.
The processing method of the present invention, comprises the following steps:
1) numerically controlled lathe that processing uses, according to the deep hole external diameter of workpiece to be processed 9 and the fixture of clamping handle of a knife 1 is selected, then
By workpiece to be processed 9 clamping on the table；
2), handle of a knife 1 and fixture thereof are installed, are fixed on lathe cutter saddle 7；
3), the side bus of the ram centering endoporus of mobile machine tool；
4), width and the degree of depth by groove to be processed make lathe cutter saddle 7 drive blade 6 along axial rotary feeding in groove to be processed
Meanwhile, blade 6 additional circumference cutting movement；
5), exit cutter, stop processing.
Step 1) have selected NC vertical lathe establishment in the present embodiment, runs knife rest numerical control program, and step 3) to be protected
When card side bus is on the basis of rotation axis, its parallelism tolerance is not more than 0.02mm.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Also can make equivalent variations or replacement on the premise of spirit, modification or the replacement of these equivalents are all contained in the application right
In requirement limited range.
Claims (8)
1. a processing unit (plant) for deep hole axial narrow tank, including the handle of a knife being clamped on lathe cutter saddle, described handle of a knife connects
Having knife bar, described knife bar installs cutter by the lathe tool handle of a knife of cutter, it is characterised in that: the blade width ratio of described cutter is to be added
The width of work groove is little, makes cutter can be moved in the width direction in groove.
The processing unit (plant) of deep hole axial narrow tank the most according to claim 1, it is characterised in that: the edge of described blade is arc
Limit.
The processing unit (plant) of deep hole axial narrow tank the most according to claim 2, it is characterised in that: described arc limit is circular.
The processing unit (plant) of deep hole axial narrow tank the most according to claim 1, it is characterised in that: described handle of a knife is clamped in machine
Retained part on bed knife rest is L-shaped structure.
The processing unit (plant) of deep hole axial narrow tank the most according to claim 1, it is characterised in that: the width of described blade is at least
Narrow width 1mm than groove to be processed.
6. according to the processing unit (plant) of the deep hole axial narrow tank according to any one of Claims 1 to 5, it is characterised in that: described cutter
Bar biasing is arranged on the handle of a knife side away from rotation axis, and described tool offset is arranged on the knife bar side away from rotation axis,
The biasing of described blade is arranged on the lathe tool handle of a knife side away from rotation axis.
7. the processing method of the processing unit (plant) of the deep hole axial narrow tank that a kind uses described in claim 1, it is characterised in that include
Following steps:
1) lathe that processing uses, according to the external diameter of workpiece to be processed and the fixture of clamping handle of a knife is selected, then by work to be processed
Part clamping is on the table；
2), handle of a knife and fixture thereof are installed, are fixed on lathe cutter saddle；
3), the side bus of the ram centering endoporus of mobile machine tool；
4), lathe cutter saddle is made to drive blade same along axial rotary feeding in groove to be processed by the width of groove to be processed and the degree of depth
Time, blade additional circumference cutting movement；
5), exit cutter, stop processing.
The processing method of the processing unit (plant) of deep hole axial narrow tank the most according to claim 7, it is characterised in that: described step
3), when side bus to be ensured is on the basis of rotation axis, its parallelism tolerance is not more than 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768185.XA CN106270562A (en) | 2016-08-30 | 2016-08-30 | The processing unit (plant) of a kind of deep hole axial narrow tank and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768185.XA CN106270562A (en) | 2016-08-30 | 2016-08-30 | The processing unit (plant) of a kind of deep hole axial narrow tank and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106270562A true CN106270562A (en) | 2017-01-04 |
Family
ID=57675250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768185.XA Pending CN106270562A (en) | 2016-08-30 | 2016-08-30 | The processing unit (plant) of a kind of deep hole axial narrow tank and processing method |
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| Country | Link |
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| CN (1) | CN106270562A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470653A (en) * | 2017-09-08 | 2017-12-15 | 苏州联开精密模具有限公司 | A kind of processing unit (plant) and its processing method of preform mould die lip support ring |
| CN109434134A (en) * | 2018-10-09 | 2019-03-08 | 重庆豪能兴富同步器有限公司 | Fork slot leans on turning processing method after gear sleeve of automobile synchronizer heat |
| CN111633224A (en) * | 2020-06-23 | 2020-09-08 | 贵州黎阳国际制造有限公司 | L-shaped composite ring groove cutting tool |
| CN112620756A (en) * | 2020-12-25 | 2021-04-09 | 西北机电工程研究所 | Special-shaped deep groove machining tool device and machining method |
| CN113857499A (en) * | 2021-10-29 | 2021-12-31 | 重庆江增船舶重工有限公司 | Method for machining U-shaped deep groove of multistage rotor wheel disc |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470653A (en) * | 2017-09-08 | 2017-12-15 | 苏州联开精密模具有限公司 | A kind of processing unit (plant) and its processing method of preform mould die lip support ring |
| CN109434134A (en) * | 2018-10-09 | 2019-03-08 | 重庆豪能兴富同步器有限公司 | Fork slot leans on turning processing method after gear sleeve of automobile synchronizer heat |
| CN111633224A (en) * | 2020-06-23 | 2020-09-08 | 贵州黎阳国际制造有限公司 | L-shaped composite ring groove cutting tool |
| CN112620756A (en) * | 2020-12-25 | 2021-04-09 | 西北机电工程研究所 | Special-shaped deep groove machining tool device and machining method |
| CN113857499A (en) * | 2021-10-29 | 2021-12-31 | 重庆江增船舶重工有限公司 | Method for machining U-shaped deep groove of multistage rotor wheel disc |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |