CN106001715A - Aluminum alloy U-shaped open type precise inner cavity thin-walled part technological method - Google Patents
Aluminum alloy U-shaped open type precise inner cavity thin-walled part technological method Download PDFInfo
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- CN106001715A CN106001715A CN201610423569.8A CN201610423569A CN106001715A CN 106001715 A CN106001715 A CN 106001715A CN 201610423569 A CN201610423569 A CN 201610423569A CN 106001715 A CN106001715 A CN 106001715A
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- shaped
- inner chamber
- datum block
- outline
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Classifications
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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
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention belongs to a machining method, and particularly relates to an aluminum alloy U-shaped open type precise inner cavity thin-walled part technological method. The aluminum alloy U-shaped open type precise inner cavity thin-walled part technological method comprises the following steps of: step one. roughly machining the outer contour of a reversely U-shaped part; step two. roughly machining a U-shaped inner cavity and a part of outer contour; step three. precisely machining the outer contour of the reversely U-shaped part; and step four. precisely machining the U-shaped inner cavity and the part of outer contour. The aluminum alloy U-shaped open type precise inner cavity thin-walled part technological method has the advantage of effectively solving the difficult problem of machining precise inner cavity parts with U-shaped open type thin-walled weak rigid structures manufacturing from aluminum products easily deforming.
Description
Technical field
The invention belongs to a kind of processing method, be specifically related to the U-shaped open accurate inner chamber of a kind of aluminium alloy thin
Wall part process method.
Background technology
At present, space flight and aviation part is due to loss of weight demand, under the use that strength character is low requires premise,
To use aluminium alloys be main more, and aluminium alloy processing deformation steel to be far longer than matter, especially with thin-walled for very,
As fruit structure uses open, it is more difficult to control its deformation, if generally requiring higher die cavity chi
Very little precision needs to use special process means and device.
Summary of the invention
It is an object of the invention to provide the U-shaped open accurate inner chamber thin-walled parts technique side of a kind of aluminium alloy
Method, for yielding material, weak rigid structure, a difficult problem for precise thin-wall inner chamber size parts manufacture processing.
The present invention is achieved in that the U-shaped open accurate inner chamber thin-walled parts technique side of a kind of aluminium alloy
Method, comprises the steps:
Step 1: roughing inverted U part outline；
Step 2: the U-shaped inner chamber of roughing and part outline；
Step 3: polish inverted U part outline；
Step 4: the U-shaped inner chamber of polish and part outline.
Described step 1 comprises the steps:
(1) according to step 2 clamping needs, rectangle technique chuck is set up at the part U-shaped end；
(2) according to needs such as step 3, step 4 clamping, centering, machining benchmark settings, U-shaped two
Technological datum block is set up in side, and technological datum block uses split symmetric form；
(3) use vice clamping blank 3-4 millimeter, rough mill inverted U structure division outer surface and technique
Chuck, technological datum block, wherein part outer surface, technological datum block allowance 0.5-1.5 millimeter, wherein
Technique chuck is worked into position.
Described step 2 comprises the steps:
(1) the technique chuck that the U-shaped end of vice clamping step 1 processing sets up is used, and with technical clamp
Head carries out centering, sets processing zero point；
(2) U-shaped inner chamber, part outline, U-shaped inner chamber, part outline allowance 0.5-1.5 are rough milled
Millimeter；
(3) finish-milling U-shaped both sides technological datum block, technological datum block two big face processing request is at 0.02 milli
Within meter, technological datum block parallel U-shape outline two sides require within the depth of parallelism 0.02 millimeter and two
Big face perpendicularity 0.03 millimeter, the lateral symmetry side of technological datum block Vertical U-type outline requires respectively
With the above two big and side perpendicularity 0.03 millimeter.
Described step 3 comprises the steps:
(1) the U-shaped both sides technological datum block of outline processing unit (plant) clamping step 2 processing is used, and
Carry out centering with technological datum block, set processing zero point；
(2) finish-milling inverted U structure division outer surface, it is ensured that outline flatness 0.05 millimeter everywhere；
Described step 4 comprises the steps:
(1) the U-shaped both sides technological datum block of use embedded SMA actuators device clamping step 2 processing, and with
Technological datum block carries out centering, sets processing zero point；
(2) the U-shaped inner chamber of finish-milling, part outline, it is ensured that outline wall thickness, inner chamber higher dimensional essence
Degree.
It is an advantage of the invention that it can efficiently solve yielding aluminium material, U-shaped open thin-walled weak
A difficult problem for the accurate inner chamber part manufacture processing of rigid structure.
Accompanying drawing explanation
Fig. 1 is U-shaped open thin-walled parts schematic diagram；
Fig. 2 is roughing process modeling schematic diagram；
Fig. 3 is fine-processing technique model schematic；
Fig. 4 is outline processing unit (plant) schematic diagram；
Fig. 5 is Internal periphery processing unit (plant) schematic diagram.
In figure, 1 technological datum block, 2 technique chucks, 3 parts, 4 outline processing unit (plant)s, 5 parts,
6 Internal periphery processing unit (plant)s.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings:
The DMU64V type that DMG company used by processing produces.
As it is shown in figure 1, with LY12 aluminum alloy materials, 1 millimeter of U-shaped Open architecture of wall thickness, foreign steamer
Wide width dimensions is respectively 50 (front ends), 52 (rear ends), Internal periphery width 50 ± 0.05 (front end),
48 ± 0.05 (rear ends), as a example by bottom roundings R2 processing.
The U-shaped open accurate inner chamber thin-walled parts process of a kind of aluminium alloy, comprises the steps:
Step 1: roughing inverted U part outline；
The specific process of this step is as follows:
(1) rectangle technique chuck is set up at the part U-shaped end:
According to step 2 clamping needs, set up rectangle technique chuck at the U-shaped end, in order to step 2 clamping
Centering, in such as Fig. 2 shown in 2.
Wherein technique chuck is slightly less than U-shaped bed-plate dimension, and thickness suggestion is set in 4-6 millimeter.
(2) technological datum block is set up in U-shaped both sides
According to needs such as step 3, step 4 clamping, centering, machining benchmark settings, build in U-shaped both sides
Vertical technological datum block, technological datum block uses split symmetric form, i.e. technological datum block to use U-shaped both sides
Bilateral symmetry, in order to following process centering uses, the employing of technological datum block is split type can maximum journey
The stress produced in degree release processing.
Wherein technological datum block is slightly larger than the width dimensions of pressing plate, it is proposed that wide 15-20 millimeter, thickness is at 5-10
Millimeter.
(3) roughing inverted U part outline
The present invention uses vice clamping blank 3-4 millimeter, rough mills inverted U structure division outer surface and work
Skill chuck, technological datum block, wherein part outer surface, technological datum block allowance 0.5-1.5 millimeter, its
Middle technique chuck is worked into position.
Step 2: the U-shaped inner chamber of roughing and part outline；
The specific process of this step is as follows:
(1) the technique chuck that the U-shaped end of vice clamping step 1 processing sets up is used, and with technical clamp
Head carries out centering, sets processing zero point；
(2) U-shaped inner chamber, part outline are rough milled.U-shaped inner chamber, part outline allowance 0.5-1.5
Millimeter；
(3) finish-milling U-shaped both sides technological datum block.Technological datum block two big face processing request is at 0.02 milli
Within meter, technological datum block parallel U-shape outline two sides require within the depth of parallelism 0.02 millimeter and two
Big face perpendicularity 0.03 millimeter, the lateral symmetry side of technological datum block Vertical U-type outline requires respectively
With the above two big and side perpendicularity 0.03 millimeter；
Step 3: polish inverted U part outline；
The specific process of this step is as follows:
(1) the U-shaped both sides technological datum block of outline processing unit (plant) clamping step 2 processing is used, and
Carry out centering with technological datum block, set processing zero point, see Fig. 4；
(2) finish-milling inverted U structure division outer surface, it is ensured that outline flatness 0.05 millimeter everywhere；
Step 4: the U-shaped inner chamber of polish and part outline；
(1) the U-shaped both sides technological datum block of use embedded SMA actuators device clamping step 2 processing, and with
Technological datum block carries out centering, sets processing zero point；
(2) the U-shaped inner chamber of finish-milling, part outline, it is ensured that outline wall thickness, inner chamber higher dimensional essence
Degree.
The present invention proposes the U-shaped open accurate inner chamber thin-walled parts process of a kind of aluminium alloy and device
Processing method, the method can be effectively ensured deformable material, weak rigid structure, precise thin-wall inner chamber size
Criticize and produce processing.This intellectual achievement applies to solve a biggest difficult problem in actual production, has the strongest answering
Use prospect.
Claims (5)
1. the U-shaped open accurate inner chamber thin-walled parts process of aluminium alloy, it is characterised in that:
Comprise the steps:
Step 1: roughing inverted U part outline；
Step 2: the U-shaped inner chamber of roughing and part outline；
Step 3: polish inverted U part outline；
Step 4: the U-shaped inner chamber of polish and part outline.
2. the U-shaped open accurate inner chamber thin-walled parts technique of a kind of aluminium alloy as claimed in claim 1
Method, it is characterised in that: described step 1 comprises the steps:
(1) according to step 2 clamping needs, rectangle technique chuck is set up at the part U-shaped end；
(2) according to needs such as step 3, step 4 clamping, centering, machining benchmark settings, U-shaped two
Technological datum block is set up in side, and technological datum block uses split symmetric form；
(3) use vice clamping blank 3-4 millimeter, rough mill inverted U structure division outer surface and technique
Chuck, technological datum block, wherein part outer surface, technological datum block allowance 0.5-1.5 millimeter, wherein
Technique chuck is worked into position.
3. the U-shaped open accurate inner chamber thin-walled parts technique of a kind of aluminium alloy as claimed in claim 1
Method, it is characterised in that: described step 2 comprises the steps:
(1) the technique chuck that the U-shaped end of vice clamping step 1 processing sets up is used, and with technical clamp
Head carries out centering, sets processing zero point；
(2) U-shaped inner chamber, part outline, U-shaped inner chamber, part outline allowance 0.5-1.5 are rough milled
Millimeter；
(3) finish-milling U-shaped both sides technological datum block, technological datum block two big face processing request is at 0.02 milli
Within meter, technological datum block parallel U-shape outline two sides require within the depth of parallelism 0.02 millimeter and two
Big face perpendicularity 0.03 millimeter, the lateral symmetry side of technological datum block Vertical U-type outline requires respectively
With the above two big and side perpendicularity 0.03 millimeter.
4. the U-shaped open accurate inner chamber thin-walled parts technique of a kind of aluminium alloy as claimed in claim 1
Method, it is characterised in that: described step 3 comprises the steps:
(1) the U-shaped both sides technological datum block of outline processing unit (plant) clamping step 2 processing is used, and
Carry out centering with technological datum block, set processing zero point；
(2) finish-milling inverted U structure division outer surface, it is ensured that outline flatness 0.05 millimeter everywhere.
5. the U-shaped open accurate inner chamber thin-walled parts technique of a kind of aluminium alloy as claimed in claim 1
Method, described step 4 comprises the steps:
(1) the U-shaped both sides technological datum block of use embedded SMA actuators device clamping step 2 processing, and with
Technological datum block carries out centering, sets processing zero point；
(2) the U-shaped inner chamber of finish-milling, part outline, it is ensured that outline wall thickness, inner chamber higher dimensional essence
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610423569.8A CN106001715B (en) | 2016-06-14 | 2016-06-14 | A kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy |
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|---|---|---|---|
| CN201610423569.8A CN106001715B (en) | 2016-06-14 | 2016-06-14 | A kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy |
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| CN106001715A true CN106001715A (en) | 2016-10-12 |
| CN106001715B CN106001715B (en) | 2018-11-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175359A (en) * | 2017-06-06 | 2017-09-19 | 山东金辰机械股份有限公司 | X-shaped slide block guide rail processing method |
| CN107553159A (en) * | 2017-08-28 | 2018-01-09 | 江苏昊昱科技咨询有限公司 | One kind prevents cable testing bridge cutting deformation frock |
| CN111015788A (en) * | 2019-11-26 | 2020-04-17 | 北京航星机器制造有限公司 | Method for processing irregular space curved surface part of thin wall made of nylon material |
| CN111069861A (en) * | 2019-12-31 | 2020-04-28 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN114178800A (en) * | 2021-12-31 | 2022-03-15 | 湖北三江航天红阳机电有限公司 | Titanium alloy thin-wall hemisphere processing method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175359A (en) * | 2017-06-06 | 2017-09-19 | 山东金辰机械股份有限公司 | X-shaped slide block guide rail processing method |
| CN107175359B (en) * | 2017-06-06 | 2018-10-09 | 山东金辰机械股份有限公司 | X-shaped slide block guide rail processing method |
| CN107553159A (en) * | 2017-08-28 | 2018-01-09 | 江苏昊昱科技咨询有限公司 | One kind prevents cable testing bridge cutting deformation frock |
| CN111015788A (en) * | 2019-11-26 | 2020-04-17 | 北京航星机器制造有限公司 | Method for processing irregular space curved surface part of thin wall made of nylon material |
| CN111015788B (en) * | 2019-11-26 | 2022-04-05 | 北京航星机器制造有限公司 | Method for processing irregular space curved surface part of thin wall made of nylon material |
| CN111069861A (en) * | 2019-12-31 | 2020-04-28 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN111069861B (en) * | 2019-12-31 | 2021-05-18 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN114178800A (en) * | 2021-12-31 | 2022-03-15 | 湖北三江航天红阳机电有限公司 | Titanium alloy thin-wall hemisphere processing method |
| CN114178800B (en) * | 2021-12-31 | 2023-02-28 | 湖北三江航天红阳机电有限公司 | Titanium alloy thin-wall hemisphere processing method |
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