CN108620649B - A kind of processing method of chamber shape thin-wall part outer circle skewed slot - Google Patents
A kind of processing method of chamber shape thin-wall part outer circle skewed slot Download PDFInfo
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- CN108620649B CN108620649B CN201810379085.7A CN201810379085A CN108620649B CN 108620649 B CN108620649 B CN 108620649B CN 201810379085 A CN201810379085 A CN 201810379085A CN 108620649 B CN108620649 B CN 108620649B
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- skewed slot
- outer circle
- tooling
- wall part
- chamber shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A kind of processing method of chamber shape thin-wall part outer circle skewed slot, it is related to a kind of processing method of chamber shape thin-wall part outer circle skewed slot.The present invention is to solve chamber shape thin-wall part material is hard, the unmanageable problem of outer circle skewed slot.Processing method is to sequentially include the following steps: one, choose turn-milling complex machining center as process equipment, and cutting tool choice cotter mill cutter treats processing excircles skewed slot workpiece using the first tooling and the second tooling and carries out clamping；The material of the outer circle skewed slot workpiece to be processed is that K648 high closes precision castings；Two, it takes from small head end to the mode of stub end turning and treats the progress groove milling of processing excircles skewed slot workpiece, obtain the chamber shape thin-wall part with outer circle skewed slot.The present invention is used for the processing of chamber shape thin-wall part outer circle skewed slot.
Description
Technical field
The present invention relates to a kind of processing methods of chamber shape thin-wall part outer circle skewed slot.
Background technique
The structure of chamber shape thin-wall part is a rotary body, belongs to deep-cavity thin-wall part, and clamping is very easy to deformation.Wall thickness is general
For 1.5mm~2mm, and one group of skewed slot is processed in rotary body outer circle, process wall thickness after skewed slot be only left 0.45mm~
0.75mm or so, and dimensional tolerance and Geometrical Tolerance Principle are all very stringent.Material is that K648 high closes precision castings simultaneously, harder,
It is not easy to be processed, it can not process under normal operation.
Summary of the invention
The present invention is to solve chamber shape thin-wall part material is hard, the unmanageable problem of outer circle skewed slot, and it is thin to provide a kind of chamber shape
The processing method of wall pieces outer circle skewed slot.
A kind of processing method of chamber shape thin-wall part outer circle skewed slot of the present invention is to sequentially include the following steps:
One, turn-milling complex machining center is chosen as process equipment, cutting tool choice cotter mill cutter, using the first tooling and the
Two toolings treat processing excircles skewed slot workpiece and carry out clamping；The material of the outer circle skewed slot workpiece to be processed is that K648 high closes essence casting
Part；
Two, it takes from small head end to the mode of stub end turning and treats the progress groove milling of processing excircles skewed slot workpiece, obtain band
There is the chamber shape thin-wall part of outer circle skewed slot.
Beneficial effects of the present invention:
Self-made tooling and cutter of the present invention, the specific function for equipment of taping the latent power are thin using special processing method processing cavity shape
One group of skewed slot in wall pieces outer circle, had not only guaranteed that clamping workpiece was indeformable, but also guaranteed that the product of processing meets drawing requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cotter mill cutter；
Fig. 2 is the structural schematic diagram of the first tooling；
Fig. 3 is the structural schematic diagram of the second tooling；
Fig. 4 is the clamping schematic diagram that the first tooling and the second tooling treat processing excircles skewed slot workpiece.
Specific embodiment
Specific embodiment 1: as shown in figure 4, a kind of processing method of chamber shape thin-wall part outer circle skewed slot of present embodiment is
It sequentially includes the following steps:
One, turn-milling complex machining center is chosen as process equipment, cutting tool choice cotter mill cutter, using 1 He of the first tooling
Second tooling 2 treats processing excircles skewed slot workpiece 3 and carries out clamping；The material of the outer circle skewed slot workpiece 3 to be processed is K648 high
Close precision castings；
Two, it takes from small head end to the mode of stub end turning and treats the progress groove milling of processing excircles skewed slot workpiece 3, obtain band
There is the chamber shape thin-wall part of outer circle skewed slot.
Present embodiment chooses turn-milling complex machining center as process equipment, and machining accuracy is high, has in clamped one time
Realize that turning-milling complex processing functional parameter precision is high afterwards；It avoids the every clamping of type cavity thin-wall part and once just has and cause part deformation
Risk.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: turnning and milling described in step 1 is multiple
Closing machining center parameter is axially position and radial positioning precision 0.005mm, repetitive positioning accuracy 0.005mm, and main shaft maximum turns
Fast 3000r/m, main shaft maximum milling steel fiber 20kw.Other are same as the specific embodiment one.
Specific embodiment 3: as shown in Fig. 2, the present embodiment is different from the first and the second embodiment in that: step
Cotter mill cutter described in one is made of preceding knife portion 4, knife bar 5 and rear 6 integrally connected of knife portion, and knife bar 5 is cylindrical, preceding 4 He of knife portion
Knife portion 6 is along 5 center symmetric setting of knife bar afterwards；Two groups of cutting edges are respectively equipped in preceding knife portion 4 and rear knife portion 6, two groups of cutting edges are equal
Spiral setting, the preceding knife portion 4 and knife bar 5, rear knife portion 6 and knife bar 5 are arc surface transition；The length of cutting edge is to be processed
Skewed slot depth adds 0.5mm.Other are the same as one or two specific embodiments.
Present embodiment cotter mill cutter can not only complete the product processing of the chamber shape thin-wall part with outer circle skewed slot.May be used also
To continue to process using the other end after the abrasion of cutter one end.To substantially increase cutter utilization rate, drop to a certain extent
Low cost of manufacture；Simultaneously it is possible to prevente effectively from the phenomenon that knife bar and product interfere.
Present embodiment is the cutting of two swords, and tool strength is big, substantially prolongs cutter life.
Present embodiment use arc surface transition, to a certain extent increase cutter drag, can also avoid cutter hub with
Workpiece interferes.
The Design of length of cutting edge is that skewed slot depth to be processed adds 0.5mm, i.e. increase cutter and workpiece by present embodiment
Contact area improves processing efficiency；Reduce cutter drag again, increase cutter life, sharpening is convenient when tool wear.
Specific embodiment 4: as shown in Fig. 2, present embodiment is unlike specific embodiment one to three: step
First tooling 1 described in one is made of tooling base 11, connection bolt 12, gland 13 and locking nut 14；The tooling base
11 upper section is bucking ladder, and lower section is cylinder；The upper surface of the bucking ladder is provided with threaded hole；The gland 13 is disk, in
Between be provided with threaded hole；The tooling base 11 and gland 13 are connected by connection bolt 12, and one end of connection bolt 12 is fixed on
In the threaded hole of tooling base 11, the other end passes through the threaded hole of gland 13 and is locked by locking nut 14.Other with it is specific
Embodiment one to three is identical.
The lower section of tooling base is used for clamping in present embodiment, and upper section is for positioning.
Specific embodiment 5: as shown in figure 3, unlike one of present embodiment and specific embodiment one to four:
Second tooling 2 described in step 1 is made of outer circle clamp 21, adjustment gasket 22, hexagon-headed bolt 23 and nut 24；It is described outer
Circle clamp 21 is made of two semicircular half circular boops, and the both ends of two semicircular half circular boops are threadably secured, turret head
Bolt 23 passes through threaded hole and is locked by nut 24, and 23 lower part of hexagon-headed bolt accompanies adjustment gasket 22.Other and specific reality
It is identical to apply one of mode one to four.
Present embodiment can prevent workpiece from deforming when processing inner hole.
Gasket is adjusted in present embodiment to adjust clamp clamping dynamics according to the wall thickness of workpiece.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: institute in step 1
It states and the progress clamping of processing excircles skewed slot workpiece 3 is treated using the first tooling 1 and the second tooling 2, specifically carry out according to the following steps
: the tooling base 11 of the first tooling 1 is bonded with the inner surface of the small head end of outer circle skewed slot workpiece 3 to be processed, outer circle to be processed
The stub end of skewed slot workpiece 3 is against the upper surface of gland 13, and the second tooling 2 is bound round in the small head end of outer circle skewed slot workpiece 3 to be processed
Outer surface.Other are identical as one of specific embodiment one to five.
Wherein the major function of the first tooling is Set and Positioning.For clamping when the major function of second tooling 2 is groove milling
The small head end of workpiece can effectively prevent single side cutting that workpiece is caused to deform.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six: institute in step 2
The parameter for stating groove milling is finish-milling cutting speed: VC=25m/min, finish-milling cutting output: ap=0.2mm, finish-milling feed speed: F=
0.03mm/min.It is described that other are identical as one of specific embodiment one to six.
Effect of the present invention is verified using following embodiments:
Embodiment one: a kind of processing method of chamber shape thin-wall part outer circle skewed slot is to sequentially include the following steps:
One, turn-milling complex machining center is chosen as process equipment, cutting tool choice cotter mill cutter, using 1 He of the first tooling
Second tooling 2 treats processing excircles skewed slot workpiece 3 and carries out clamping；The material of the outer circle skewed slot workpiece 3 to be processed is K648 high
Close precision castings；
Two, it takes from small head end to the mode of stub end turning and treats the progress groove milling of processing excircles skewed slot workpiece 3, obtain band
There is the chamber shape thin-wall part of outer circle skewed slot.
Turn-milling complex machining center parameter described in step 1 is axially position and radial positioning precision 0.005mm, is repeated
Positioning accuracy 0.005mm, main shaft maximum (top) speed 3000r/m, main shaft maximum milling steel fiber 20kw.
The cotter mill cutter described in step 1 is made of preceding knife portion 4, knife bar 5 and rear 6 integrally connected of knife portion, and knife bar 5 is in
Cylinder, preceding knife portion 4 and rear knife portion 6 are along 5 center symmetric setting of knife bar；Two groups of cuttings are respectively equipped in preceding knife portion 4 and rear knife portion 6
Sword, the equal spiral setting of two groups of cutting edges, the preceding knife portion 4 and knife bar 5, rear knife portion 6 and knife bar 5 are arc surface transition；Cutting
The length of sword is that skewed slot depth to be processed adds 0.5mm.
First tooling 1 described in step 1 is made of tooling base 11, connection bolt 12, gland 13 and locking nut 14；
The upper section of the tooling base 1 is bucking ladder, and lower section is cylinder；The upper surface of the bucking ladder is provided with threaded hole；The gland
13 be disk, and centre is provided with threaded hole；The tooling base 11 and gland 13 are connected by connection bolt 12, connection bolt 12
One end is fixed in the threaded hole of tooling base 11, and the other end passes through the threaded hole of gland 13 and locked by locking nut 14.
Second tooling 2 described in step 1 is by outer circle clamp 21, adjustment gasket 22, hexagon-headed bolt 23 and 24 groups of nut
At；The outer circle clamp 21 is made of two semicircular half circular boops, and the both ends of two semicircular half circular boops are solid by screw thread
Fixed, hexagon-headed bolt 23 passes through threaded hole and is locked by nut 24, and 23 lower part of hexagon-headed bolt accompanies adjustment gasket 22.
Processing excircles skewed slot workpiece 3 is treated using the first tooling 1 and the second tooling 2 described in step 1 and carries out clamping, tool
Body carries out according to the following steps: by will be in the tooling base 11 of the first tooling 1 and the small head end of outer circle skewed slot workpiece 3 to be processed
Surface fitting, the stub end of outer circle skewed slot workpiece 3 to be processed are against the upper surface of gland 13, and the second tooling 2 is bound round to be processed
The outer surface of the small head end of outer circle skewed slot workpiece 3.
It is sufficiently proved by the test processing of multiple product to this class formation, cutter that the present invention designs, tooling, selection
The processing of equipment and cutting parameter fitted chamber shape thin-wall part outer circle skewed slot, to solve the processing of deep-cavity thin-wall part outer circle skewed slot difficulty
Problem.
Claims (5)
1. a kind of processing method of chamber shape thin-wall part outer circle skewed slot, it is characterised in that the processing method of chamber shape thin-wall part outer circle skewed slot
It is to sequentially include the following steps:
One, turn-milling complex machining center is chosen as process equipment, cutting tool choice cotter mill cutter, using the first tooling (1) and the
Two toolings (2) treat processing excircles skewed slot workpiece (3) and carry out clamping；The material of the outer circle skewed slot workpiece (3) to be processed is
K648 high closes precision castings；First tooling (1) is by tooling base (11), connection bolt (12), gland (13) and locking nut
(14) it forms；The upper section of the tooling base (11) is bucking ladder, and lower section is cylinder；The upper surface of the bucking ladder is provided with screw thread
Hole；The gland (13) is disk, and centre is provided with threaded hole；The tooling base (11) and gland (13) pass through connection bolt
(12) it connects, one end of connection bolt (12) is fixed in the threaded hole of tooling base (11), and the other end passes through gland (13)
Threaded hole is simultaneously locked by locking nut (14)；Second tooling (2) is by outer circle clamp (21), adjustment gasket (22), hexagonal
Hook bolt (23) and nut (24) composition；The outer circle clamp (21) is made of two semicircular half circular boops, two semicircles
The both ends of half circular boop be threadably secured, hexagon-headed bolt (23) passes through threaded hole and is locked by nut (24), turret head
Bolt (23) lower part accompanies adjustment gasket (22)；
Two, it takes from small head end to the mode of stub end turning and treats processing excircles skewed slot workpiece (3) progress groove milling, had
The chamber shape thin-wall part of outer circle skewed slot.
2. a kind of processing method of chamber shape thin-wall part outer circle skewed slot according to claim 1, it is characterised in that in step 1
The turn-milling complex machining center parameter be axially position and radial positioning precision 0.005mm, repetitive positioning accuracy 0.005mm,
Main shaft maximum (top) speed 3000r/m, main shaft maximum milling steel fiber 20kw.
3. a kind of processing method of chamber shape thin-wall part outer circle skewed slot according to claim 1, it is characterised in that in step 1
The cotter mill cutter is made of preceding knife portion (4), knife bar (5) and rear knife portion (6) integrally connected, and knife bar (5) is cylindrical, preceding knife portion
(4) and rear knife portion (6) is along knife bar (5) center symmetric setting；Two groups of cutting edges are respectively equipped in preceding knife portion (4) and rear knife portion (6),
The equal spiral setting of two groups of cutting edges, the preceding knife portion (4) and knife bar (5), rear knife portion (6) and knife bar (5) are arc surface transition；
The length of cutting edge is that skewed slot depth to be processed adds 0.5mm.
4. a kind of processing method of chamber shape thin-wall part outer circle skewed slot according to claim 1, it is characterised in that in step 1
It is described that processing excircles skewed slot workpiece (3) progress clamping is treated using the first tooling (1) and the second tooling (2), specifically by following
What step carried out: the inner surface of the tooling base (11) of the first tooling (1) and the small head end of outer circle skewed slot workpiece (3) to be processed is pasted
It closes, the stub end of outer circle skewed slot workpiece (3) to be processed is against the upper surface of gland (13), and the second tooling (2) are bound round to be processed
The outer surface of outer circle skewed slot workpiece (3) small head end.
5. a kind of processing method of chamber shape thin-wall part outer circle skewed slot according to claim 1, it is characterised in that in step 2
The parameter of the groove milling is finish-milling cutting speed: VC=25m/min, finish-milling cutting output: ap=0.2mm, finish-milling feed speed: F
=0.03mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379085.7A CN108620649B (en) | 2018-04-25 | 2018-04-25 | A kind of processing method of chamber shape thin-wall part outer circle skewed slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379085.7A CN108620649B (en) | 2018-04-25 | 2018-04-25 | A kind of processing method of chamber shape thin-wall part outer circle skewed slot |
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| Publication Number | Publication Date |
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| CN108620649A CN108620649A (en) | 2018-10-09 |
| CN108620649B true CN108620649B (en) | 2019-09-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109926851B (en) * | 2019-04-18 | 2020-11-20 | 山西平阳重工机械有限责任公司 | Clamping tool and machining method for thin-wall cylindrical part with bell mouth |
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| CN103028982A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Composite clamp for two-way perforating and edge cutting of ellipsoid end socket |
| CN103737397A (en) * | 2013-12-27 | 2014-04-23 | 柳江县龙满机械部件有限责任公司 | Fixture for machining connecting sleeve |
| CN203918569U (en) * | 2014-07-21 | 2014-11-05 | 宁波狮球通风机电有限公司 | Casing retaining mechanism in motor case drilling equipment |
| CN204094224U (en) * | 2014-09-28 | 2015-01-14 | 江西杰浩硬质合金工具有限公司 | A kind of milling cutter of double end |
| CN105014437A (en) * | 2015-08-09 | 2015-11-04 | 苏州蓝王机床工具科技有限公司 | Centering clamping device |
| CN105382601A (en) * | 2015-12-15 | 2016-03-09 | 东南大学 | Multi-dimensional vacuum clamp applicable to thin-slice shaped workpiece |
| CN205325248U (en) * | 2015-12-30 | 2016-06-22 | 无锡锡南铝业技术有限公司 | Press shell positioning fixture |
-
2018
- 2018-04-25 CN CN201810379085.7A patent/CN108620649B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028982A (en) * | 2012-12-03 | 2013-04-10 | 西安航天动力机械厂 | Composite clamp for two-way perforating and edge cutting of ellipsoid end socket |
| CN103737397A (en) * | 2013-12-27 | 2014-04-23 | 柳江县龙满机械部件有限责任公司 | Fixture for machining connecting sleeve |
| CN203918569U (en) * | 2014-07-21 | 2014-11-05 | 宁波狮球通风机电有限公司 | Casing retaining mechanism in motor case drilling equipment |
| CN204094224U (en) * | 2014-09-28 | 2015-01-14 | 江西杰浩硬质合金工具有限公司 | A kind of milling cutter of double end |
| CN105014437A (en) * | 2015-08-09 | 2015-11-04 | 苏州蓝王机床工具科技有限公司 | Centering clamping device |
| CN105382601A (en) * | 2015-12-15 | 2016-03-09 | 东南大学 | Multi-dimensional vacuum clamp applicable to thin-slice shaped workpiece |
| CN205325248U (en) * | 2015-12-30 | 2016-06-22 | 无锡锡南铝业技术有限公司 | Press shell positioning fixture |
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| CN108620649A (en) | 2018-10-09 |
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Effective date of registration: 20221227 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |