CN106001715B - A kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy - Google Patents
A kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy Download PDFInfo
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- CN106001715B CN106001715B CN201610423569.8A CN201610423569A CN106001715B CN 106001715 B CN106001715 B CN 106001715B CN 201610423569 A CN201610423569 A CN 201610423569A CN 106001715 B CN106001715 B CN 106001715B
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- outer profile
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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
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Abstract
The invention belongs to a kind of processing methods, and in particular to a kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy.Include the following steps：Step 1：Roughing inverted U part outer profile；Step 2：The U-shaped inner cavity of roughing and part outer profile；Step 3：Finish inverted U part outer profile；Step 4：Finish U-shaped inner cavity and part outer profile.It is an advantage of the invention that it can efficiently solve the problem of the accurate inner cavity part manufacture processing of yielding aluminium material, the U-shaped open weak rigid structure of thin-walled.
Description
Technical field
The invention belongs to a kind of processing methods, and in particular to a kind of U-shaped open accurate inner cavity thin-walled parts work of aluminium alloy
Process.
Background technology
Currently, space flight and aviation part due to loss of weight demand, under the premise of strength character low requirement, mostly uses aluminium conjunction
Based on gold, and aluminium alloy processing deformation will be far longer than steel material, especially with thin-walled be very, as fruit structure using if open more
Its deformation difficult to control, under normal circumstances if more demanding cavity dimension precision needs to use special process means and dress
It sets.
Invention content
The object of the present invention is to provide a kind of U-shaped open accurate inner cavity thin-walled parts processes of aluminium alloy, for easy
The problem that deformable material, weak rigid structure, the manufacture of precise thin-wall inner cavity size parts are processed.
The invention is realized in this way a kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy, including under
State step：
Step 1：Roughing inverted U part outer profile；
Step 2：The U-shaped inner cavity of roughing and part outer profile；
Step 3：Finish inverted U part outer profile；
Step 4：Finish U-shaped inner cavity and part outer profile.
The step 1 includes the following steps：
(1) according to step 2 clamping needs, rectangle technique collet is set up in part U-shaped bottom；
(2) according to needs such as step 3, step 4 clamping, centering, machining benchmark settings, technological datum is established in U-shaped both sides
Block, technological datum block is using seperated symmetric form；
(3) 3-4 millimeters of vice clamping blank is used, inverted U-shaped structure part outer surface and technique collet, technique base are rough milled
Quasi- block, which part outer surface, 0.5-1.5 millimeters of technological datum block allowance, wherein technique collet is worked into position.
The step 2 includes the following steps：
(1) the technique collet that the U-shaped bottom processed using vice clamping step 1 is set up, and centering is carried out with technique collet, if
Surely zero is processed；
(2) U-shaped inner cavity, part outer profile, U-shaped inner cavity, 0.5-1.5 millimeters of part outer profile allowance are rough milled；
(3) the U-shaped both sides technological datum block of finish-milling, two big face processing request of technological datum block is within 0.02 millimeter, technique
Reference block parallel U-shape outer profile two sides require within 0.02 millimeter of the depth of parallelism and two 0.03 millimeter of big face verticalities, technique base
The both sides symmetric side of quasi- block Vertical U-type outer profile require respectively with 0.03 millimeter of the above two big faces and side verticality.
The step 3 includes the following steps：
(1) the U-shaped both sides technological datum block for using outer profile processing unit (plant) clamping step 2 to process, and with technological datum block
Carry out centering, setting processing zero；
(2) finish-milling inverted U-shaped structure part outer surface ensures outer profile 0.05 millimeter of flatness everywhere；
The step 4 includes the following steps：
(1) use embedded SMA actuators device clamping step 2 process U-shaped both sides technological datum block, and with technological datum block into
Row centering, setting processing zero；
(2) the U-shaped inner cavity of finish-milling, part outer profile ensure outer profile wall thickness, inner cavity higher dimensional precision.
It is an advantage of the invention that it can efficiently solve yielding aluminium material, the U-shaped open weak rigid structure of thin-walled
The problem of accurate inner cavity part manufacture processing.
Description of the drawings
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 outer profile processing unit (plant) schematic diagram；
Fig. 5 is Internal periphery processing unit (plant) schematic diagram.
In figure, 1 technological datum block, 2 technique collets, 3 parts, 4 outer profile processing unit (plant)s, 5 parts, 6 Internal peripheries processing dress
It sets.
Specific implementation mode
It describes in detail with reference to the accompanying drawings and examples to the present invention：
The DMU64V types of processing DMG companies production used.
As shown in Figure 1, with 1 millimeter of LY12 aluminum alloy materials, wall thickness U-shaped Open architecture, outer profile width dimensions difference
For 50 (front ends), 52 (rear ends), Internal periphery width 50 ± 0.05 (front end), 48 ± 0.05 (rear ends), bottom roundings R2 is processed as
Example.
A kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy, includes the following steps：
Step 1：Roughing inverted U part outer profile；
The specific process of this step is as follows：
(1) rectangle technique collet is set up in part U-shaped bottom：
According to step 2 clamping needs, rectangle technique collet is set up in U-shaped bottom, in order to step 2 clamping centering, is seen such as Fig. 2
In shown in 2.
Wherein technique collet is slightly less than U-shaped bed-plate dimension, and thickness suggestion is set in 4-6 millimeters.
(2) technological datum block is established in U-shaped both sides
According to needs such as step 3, step 4 clamping, centering, machining benchmark settings, technological datum block is established in U-shaped both sides,
Technological datum block uses U-shaped both sides bilateral symmetry using seperated symmetric form, i.e. technological datum block, so that following process is looked for
Positive to use, technological datum block is using the split type stress that can utmostly discharge and be generated in processing.
Wherein technological datum block is slightly larger than the width dimensions of pressing plate, it is proposed that 15-20 millimeters wide, thickness is at 5-10 millimeters.
(3) roughing inverted U part outer profile
The present invention uses 3-4 millimeters of vice clamping blank, rough mills inverted U-shaped structure part outer surface and technique collet, work
Skill reference block, which part outer surface, 0.5-1.5 millimeters of technological datum block allowance, wherein technique collet is worked into position.
Step 2：The U-shaped inner cavity of roughing and part outer profile；
The specific process of this step is as follows：
(1) the technique collet that the U-shaped bottom processed using vice clamping step 1 is set up, and centering is carried out with technique collet, if
Surely zero is processed；
(2) U-shaped inner cavity, part outer profile are rough milled.U-shaped inner cavity, 0.5-1.5 millimeters of part outer profile allowance；
(3) the U-shaped both sides technological datum block of finish-milling.Two big face processing request of technological datum block is within 0.02 millimeter, technique
Reference block parallel U-shape outer profile two sides require within 0.02 millimeter of the depth of parallelism and two 0.03 millimeter of big face verticalities, technique base
The both sides symmetric side of quasi- block Vertical U-type outer profile require respectively with 0.03 millimeter of the above two big faces and side verticality；
Step 3：Finish inverted U part outer profile；
The specific process of this step is as follows：
(1) the U-shaped both sides technological datum block for using outer profile processing unit (plant) clamping step 2 to process, and with technological datum block
Centering is carried out, setting processing zero is shown in Fig. 4；
(2) finish-milling inverted U-shaped structure part outer surface ensures outer profile 0.05 millimeter of flatness everywhere；
Step 4：Finish U-shaped inner cavity and part outer profile；
(1) use embedded SMA actuators device clamping step 2 process U-shaped both sides technological datum block, and with technological datum block into
Row centering, setting processing zero；
(2) the U-shaped inner cavity of finish-milling, part outer profile ensure outer profile wall thickness, inner cavity higher dimensional precision.
The present invention proposes a kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy and device processing side
Method, this method can be effectively ensured deformable material, weak rigid structure, in precise thin-wall chamber size batch production processing.This intellectual achievement
Apply in actual production solve prodigious problem, there is very strong application prospect.
Claims (1)
1. a kind of U-shaped open accurate inner cavity thin-walled parts process of aluminium alloy, it is characterised in that：Include the following steps：
Step 1：Roughing inverted U part outer profile, is as follows：
(1) according to step 2 clamping needs, rectangle technique collet is set up in part U-shaped bottom；
(2) according to needs such as step 3, step 4 clamping, centering, machining benchmark settings, technological datum block, work are established in U-shaped both sides
Skill reference block is using seperated symmetric form；
(3) 3-4 millimeters of vice clamping blank is used, inverted U-shaped structure part outer surface and technique collet, technological datum are rough milled
Block, which part outer surface, 0.5-1.5 millimeters of technological datum block allowance, wherein technique collet is worked into position；
Step 2：The U-shaped inner cavity of roughing and part outer profile, are as follows：
(1) the technique collet that the U-shaped bottom processed using vice clamping step 1 is set up, and centering is carried out with technique collet, setting adds
Work zero；
(2) U-shaped inner cavity, part outer profile, U-shaped inner cavity, 0.5-1.5 millimeters of part outer profile allowance are rough milled；
(3) the U-shaped both sides technological datum block of finish-milling, two big face processing request of technological datum block is within 0.02 millimeter, technological datum
Block parallel U-shape outer profile two sides require within 0.02 millimeter of the depth of parallelism and two 0.03 millimeter of big face verticalities, technological datum block
The both sides symmetric side of Vertical U-type outer profile require respectively with 0.03 millimeter of the above two big faces and side verticality；
Step 3：Inverted U part outer profile is finished, is as follows：
(1) the U-shaped both sides technological datum block for using outer profile processing unit (plant) clamping step 2 to process, and carried out with technological datum block
Centering, setting processing zero；
(2) finish-milling inverted U-shaped structure part outer surface ensures outer profile 0.05 millimeter of flatness everywhere；
Step 4：U-shaped inner cavity and part outer profile are finished, is as follows：
(1) the U-shaped both sides technological datum block for using embedded SMA actuators device clamping step 2 to process, and looked for technological datum block
Just, setting processing zero；
(2) the U-shaped inner cavity of finish-milling, part outer profile ensure outer profile wall thickness, inner cavity higher dimensional precision.
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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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| CN106001715B true CN106001715B (en) | 2018-11-09 |
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| 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 |
| 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 |
| 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 |
| 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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| CN101062546A (en) * | 2007-06-01 | 2007-10-31 | 成都飞机工业（集团）有限责任公司 | Method for two-sided numeric controlled manufacture of large-scale integral complex constructional element |
| CN101670462B (en) * | 2009-09-29 | 2010-12-01 | 江西洪都航空工业集团有限责任公司 | Wall plate processing technology for hyperboloid thin wall |
| CN102528501A (en) * | 2012-02-18 | 2012-07-04 | 沈阳飞机工业（集团）有限公司 | Dimension correction device in large double-curved surface plate part processing and method thereof |
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| CN104923839B (en) * | 2015-06-25 | 2018-01-19 | 中国电子科技集团公司第四十三研究所 | A kind of aluminium silicon processing method of casing |
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