CN113245786A - Fine machining process for narrow cavity of template - Google Patents
Fine machining process for narrow cavity of template Download PDFInfo
- Publication number
- CN113245786A CN113245786A CN202110506490.2A CN202110506490A CN113245786A CN 113245786 A CN113245786 A CN 113245786A CN 202110506490 A CN202110506490 A CN 202110506490A CN 113245786 A CN113245786 A CN 113245786A
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- China
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- machining
- width
- machining area
- area
- suction device
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- 238000003754 machining Methods 0.000 title claims abstract description 83
- 239000000428 dust Substances 0.000 claims description 21
- 239000002699 waste material Substances 0.000 claims description 21
- 238000003801 milling Methods 0.000 claims description 18
- 238000009966 trimming Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides a fine machining process for a narrow mold cavity of a template, which is divided into a first machining area, a second machining area and a third machining area from top to bottom according to the depth of the mold cavity, wherein the width of the first machining area is the unilateral minus 0.1mm of the width of the mold cavity, the width of the second machining area is the unilateral minus 0.3mm of the width of the mold cavity, the width of the third machining area is the unilateral minus 0.5mm of the width of the mold cavity, then the deeper and slender mold cavity is machined according to subareas in a layering way, the machining cost and the time length are both less than those of electric discharge machining, the machining speed is improved, and the machining cost is reduced.
Description
Technical Field
The invention belongs to the technical field of processing equipment, and relates to a fine processing technology for a narrow cavity of a template.
Background
The processing of narrow cavity features with widths less than 10mm has been a difficult problem in the mold processing industry. The machining quality of the side wall and the bottom surface of the cavity affects the forming quality of the workpiece, so that a plurality of machining enterprises adopt an electric discharge machining scheme to form the cavity, and the machining cost of the template is extremely high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a fine machining process which can form a narrow cavity and has low machining cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a fine machining process for a narrow cavity of a template is divided into a first machining area, a second machining area and a third machining area from top to bottom according to the depth of the cavity, wherein the width of the first machining area is 0.1mm of the width of the cavity on one side, the width of the second machining area is 0.3mm of the width of the cavity on one side, and the width of the third machining area is 0.5mm of the width of the cavity on one side; the process comprises the following steps:
firstly, machining drill holes with the depth slightly smaller than that of the third machining area on the template by adopting a drill according to the width of the second machining area, wherein all the drill holes are of a connected structure;
secondly, sucking out the drilled waste scraps by using a dust suction device;
thirdly, roughly machining the first machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the first machining area out by using a dust suction device;
fourthly, roughly machining the second machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the second machining area out by using a dust suction device;
fifthly, roughly machining the third machining area along the hole wall of the drilled hole by using a milling cutter, and sucking waste scraps in the third machining area out by using a dust suction device;
sixthly, roughly trimming the third processing area by using a milling cutter to ensure that the width of the third processing area is consistent with that of the second processing area, and sucking the waste scraps by using a dust suction device;
step seven, roughly trimming the second and third processing areas by using a milling cutter to ensure that the width of the second and third processing areas is consistent with that of the first processing area, and sucking the waste scraps by using a dust suction device;
and eighthly, finishing the first, second and third processing areas by using a milling cutter, and sucking out the waste scraps by using a dust suction device.
Compared with the prior art, the invention has the beneficial effects that: the deep and slender cavity is machined by adopting a layered machining mode, the machining cost and the machining time are both less than those of electric discharge machining, the machining speed is improved, and the machining cost is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
Examples
A fine machining process for a narrow mold cavity of a template is divided into a first machining area, a second machining area and a third machining area from top to bottom according to the depth of the mold cavity, wherein the width of the first machining area is 0.1mm of the width of the mold cavity in a single side negative mode, the width of the second machining area is 0.3mm of the width of the mold cavity in a single side negative mode, and the width of the third machining area is 0.5mm of the width of the mold cavity in a single side negative mode.
The process comprises the following steps:
firstly, machining drill holes with the depth slightly smaller than that of the third machining area on the template by adopting a drill according to the width of the second machining area, wherein all the drill holes are of a connected structure;
secondly, sucking out the drilled waste scraps by using a dust suction device;
thirdly, roughly machining the first machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the first machining area out by using a dust suction device;
fourthly, roughly machining the second machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the second machining area out by using a dust suction device;
fifthly, roughly machining the third machining area along the hole wall of the drilled hole by using a milling cutter, and sucking waste scraps in the third machining area out by using a dust suction device;
sixthly, roughly trimming the third processing area by using a milling cutter to ensure that the width of the third processing area is consistent with that of the second processing area, and sucking the waste scraps by using a dust suction device;
step seven, roughly trimming the second and third processing areas by using a milling cutter to ensure that the width of the second and third processing areas is consistent with that of the first processing area, and sucking the waste scraps by using a dust suction device;
and eighthly, finishing the first, second and third processing areas by using a milling cutter, and sucking out the waste scraps by using a dust suction device.
In conclusion, the invention adopts a layered processing mode to process a deeper and slender cavity, the processing cost and the processing time are both less than those of electric discharge processing, the processing speed is improved, and the processing cost is reduced.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. A fine machining process for a narrow cavity of a template is characterized in that the fine machining process is divided into a first machining area, a second machining area and a third machining area from top to bottom according to the depth of the cavity, wherein the width of the first machining area is 0.1mm which is the negative of the single side of the width of the cavity, the width of the second machining area is 0.3mm which is the negative of the single side of the width of the cavity, and the width of the third machining area is 0.5mm which is the negative of the single side of the width of the cavity; the process comprises the following steps:
firstly, machining drill holes with the depth slightly smaller than that of the third machining area on the template by adopting a drill according to the width of the second machining area, wherein all the drill holes are of a connected structure;
secondly, sucking out the drilled waste scraps by using a dust suction device;
thirdly, roughly machining the first machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the first machining area out by using a dust suction device;
fourthly, roughly machining the second machining area along the wall of the drilled hole by using a milling cutter, and sucking waste scraps in the second machining area out by using a dust suction device;
fifthly, roughly machining the third machining area along the hole wall of the drilled hole by using a milling cutter, and sucking waste scraps in the third machining area out by using a dust suction device;
sixthly, roughly trimming the third processing area by using a milling cutter to ensure that the width of the third processing area is consistent with that of the second processing area, and sucking the waste scraps by using a dust suction device;
step seven, roughly trimming the second and third processing areas by using a milling cutter to ensure that the width of the second and third processing areas is consistent with that of the first processing area, and sucking the waste scraps by using a dust suction device;
and eighthly, finishing the first, second and third processing areas by using a milling cutter, and sucking out the waste scraps by using a dust suction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506490.2A CN113245786A (en) | 2021-05-10 | 2021-05-10 | Fine machining process for narrow cavity of template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506490.2A CN113245786A (en) | 2021-05-10 | 2021-05-10 | Fine machining process for narrow cavity of template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113245786A true CN113245786A (en) | 2021-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110506490.2A Pending CN113245786A (en) | 2021-05-10 | 2021-05-10 | Fine machining process for narrow cavity of template |
Country Status (1)
| Country | Link |
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| CN (1) | CN113245786A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279839A (en) * | 2004-03-29 | 2005-10-13 | Canon Inc | Method for machining deep groove |
| CN105312835A (en) * | 2015-11-27 | 2016-02-10 | 成都飞机工业（集团）有限责任公司 | Deep cavity processing method based on titanium alloy monobloc forging component |
| CN105562796A (en) * | 2016-03-18 | 2016-05-11 | 沈阳飞机工业（集团）有限公司 | Step-type layered milling method for narrow-deep slot |
| CN106695258A (en) * | 2016-12-29 | 2017-05-24 | 中国空气动力研究与发展中心超高速空气动力研究所 | Spraying pipe cavity surface segmented machining and polishing process |
| CN109551019A (en) * | 2018-11-29 | 2019-04-02 | 河源龙记金属制品有限公司 | A kind of processing method of stencil-type chamber |
| CN109604663A (en) * | 2019-01-09 | 2019-04-12 | 成都飞机工业（集团）有限责任公司 | A kind of carbon fiber sandwich-high-precision hole forming method of aluminium alloy layer laminate materials |
| US20200276656A1 (en) * | 2017-11-01 | 2020-09-03 | Kyocera Sgs Precision Tools, Inc. | Slot milling sequence |
| CN111805168A (en) * | 2020-07-24 | 2020-10-23 | 湖北三江航天红阳机电有限公司 | Method for machining fine and deep taper hole |
| RU2740068C1 (en) * | 2020-02-07 | 2020-12-31 | Публичное Акционерное Общество "Одк-Сатурн" | Method of milling grooves in thin-walled parts |
-
2021
- 2021-05-10 CN CN202110506490.2A patent/CN113245786A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279839A (en) * | 2004-03-29 | 2005-10-13 | Canon Inc | Method for machining deep groove |
| CN105312835A (en) * | 2015-11-27 | 2016-02-10 | 成都飞机工业（集团）有限责任公司 | Deep cavity processing method based on titanium alloy monobloc forging component |
| CN105562796A (en) * | 2016-03-18 | 2016-05-11 | 沈阳飞机工业（集团）有限公司 | Step-type layered milling method for narrow-deep slot |
| CN106695258A (en) * | 2016-12-29 | 2017-05-24 | 中国空气动力研究与发展中心超高速空气动力研究所 | Spraying pipe cavity surface segmented machining and polishing process |
| US20200276656A1 (en) * | 2017-11-01 | 2020-09-03 | Kyocera Sgs Precision Tools, Inc. | Slot milling sequence |
| CN109551019A (en) * | 2018-11-29 | 2019-04-02 | 河源龙记金属制品有限公司 | A kind of processing method of stencil-type chamber |
| CN109604663A (en) * | 2019-01-09 | 2019-04-12 | 成都飞机工业（集团）有限责任公司 | A kind of carbon fiber sandwich-high-precision hole forming method of aluminium alloy layer laminate materials |
| RU2740068C1 (en) * | 2020-02-07 | 2020-12-31 | Публичное Акционерное Общество "Одк-Сатурн" | Method of milling grooves in thin-walled parts |
| CN111805168A (en) * | 2020-07-24 | 2020-10-23 | 湖北三江航天红阳机电有限公司 | Method for machining fine and deep taper hole |
Non-Patent Citations (1)
| Title |
|---|
| 催元刚: "《数控机床及加工技术》", 31 August 2016, 北京理工大学出版社 * |
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Application publication date: 20210813 |
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| RJ01 | Rejection of invention patent application after publication |