CN104816026A - Thin-wall part processing method - Google Patents
Thin-wall part processing method Download PDFInfo
- Publication number
- CN104816026A CN104816026A CN201510223045.XA CN201510223045A CN104816026A CN 104816026 A CN104816026 A CN 104816026A CN 201510223045 A CN201510223045 A CN 201510223045A CN 104816026 A CN104816026 A CN 104816026A
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- Prior art keywords
- cutter
- blank assembly
- thin
- processing
- machine tool
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/60—Roughing
- B23C2220/605—Roughing and finishing
Abstract
The invention provides a thin-wall part processing method which includes following steps: (1) according to a to-be-processed thin-wall part, selecting a three-blade taper-shank crude-processing milling cutter and a fine-processing milling cutter, wherein the roughness at a grinding part on a cutting edge of the fine-processing milling cutter is not less than Ra 0.3; (2) setting groove depth, groove width, the number of rough machining layers being 4-7, the thickness of a rough machining layer being 1-1.5 mm and fine processing allowance being 0.2-0.4 mm of the part on a numerically-controlled machine tool; and (3) setting the linear speed of rotation and cutting feed of a main shaft of a numerically-controlled machine tool, wherein the linear speed and the cutting feed of crude processing are respectively 220-230 m/min and 72-74 mm/min, and the linear speed and the cutting feed of fine processing are respectively 310-350 m/min and 105-110 mm/min. By means of the thin-wall part processing method, deformation of a thin-wall part due to direct clamping on a thin-wall pedestal for processing through a soft gripper or a jaw vice during milling is eliminated. The method simplifies the processing step of the part and allows paired processing.
Description
Technical field
The present invention relates to a kind of processing method of thin-walled parts, belong to field of mechanical technique.
Background technology
Along with Machine Design industry requires to improve constantly to properties of product, the total class of thin-walled parts quantity increases a kind of trend becoming machine industry gradually, to the crudy of thin-walled parts and required precision also more and more higher.As I shape thin-walled parts, part base is all thin-walled, the clamping thin-walled bases such as soft pawl conventional during milling or vice, and add man-hour thin-walled parts and be easily out of shape, the part quality of processing is unstable; Next is that part handling are wasted time and energy, and procedure of processing is loaded down with trivial details, and working (machining) efficiency is low; Thirdly that this kind of part requirements of handling has skilled professional skill.This, with regard to needing a kind of good processing method to improve the processing technology of this kind of part, improves its crudy and efficiency.
Summary of the invention
For overcoming the defect of prior art, the invention provides a kind of processing method of thin-walled parts.
Technical scheme of the present invention is: a kind of processing method of thin-walled parts, comprises the following steps:
A, selection cutter: the groove depth of the thin-walled parts that foundation will be processed, part are high, groove width, milling cutter diameter is the 1/2 ~ groove width-2 of groove width, select spear-point drill handle heavy-duty cutter and finishing cutter, its cutting edge grinding place roughness of finishing cutter is not more than Ra0.3;
B, the groove depth that Digit Control Machine Tool sets part, groove width, the roughing number of plies 4 ~ 7 layers, the allowance for finish of roughing layer thickness 1-1.5 and 0.2 ~ 0.4 millimeter;
The linear velocity that c, setting main shaft of numerical control machine tool rotate and cutting feeding, rough machined linear velocity and cutting feeding are respectively 220 ~ 230m/min, 72 ~ 74mm/min, and accurately machined linear velocity and cutting feeding are respectively 310 ~ 350m/min, 105 ~ 110mm/min;
D, there is the vice of blank assembly to be placed on the workbench of Digit Control Machine Tool clamping, adjust the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly, vice is fixed tightly on the workbench of Digit Control Machine Tool;
E, roughing: start Digit Control Machine Tool, with the rough machined linear velocity 210 ~ 230m/min of setting, cut feeding 68 ~ 74mm/min, roughing layer thickness 2 ~ 3 millimeters and the roughing number of plies 4 ~ 7 layers, heavy-duty cutter is from one end feed of blank assembly until the other end of blank assembly, the milling cutter trend of initiating terminal got back to by backward feed again, roughing is carried out to blank assembly, repetition milling cutter moves towards, successively cut a to the last machined layer, roughing terminates, and bottom land and cell wall leave 0.5 ~ 1 millimeter of allowance for finish respectively;
F, fine finishining: take off heavy-duty cutter, finishing cutter is contained on knife rest, start Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 370m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in g, rotation, unclamps two jaws of vice, by blank assembly upset 180
0, bear against on cushion block with the bottom land after processing, the height of adjustment cushion block, it is high that blank assembly exceeds vice jaw upper surface 1/4 part, rotates and tighten the two jaw clamping blank assemblies that screw rod makes vice;
H, take off finishing cutter, heavy-duty cutter is contained on knife rest, adjusts the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly;
I, startup Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 360m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in j, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part.
Screw rod is tightened in K, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part.
The processing method of this thin-walled parts that the present invention relates to, adopt cushion block to support, vice clamps paired part, and part is easy to loading and unloading, processing technology is simple; Process with the direct clamping thin-walled base such as soft pawl or vice the thin-walled parts distortion caused when eliminating milling.
Detailed description of the invention
A processing method for thin-walled parts, comprises the following steps:
A, selection cutter: the groove depth of the thin-walled parts that foundation will be processed, part are high, groove width, milling cutter diameter is the 1/2 ~ groove width-2 of groove width, select spear-point drill handle heavy-duty cutter and finishing cutter, its cutting edge grinding place roughness of finishing cutter is not more than Ra0.3;
B, the groove depth that Digit Control Machine Tool sets part, groove width, the roughing number of plies 4 ~ 7 layers, the allowance for finish of roughing layer thickness 1-1.5 and 0.2 ~ 0.4 millimeter;
The linear velocity that c, setting main shaft of numerical control machine tool rotate and cutting feeding, rough machined linear velocity and cutting feeding are respectively 220 ~ 230m/min, 72 ~ 74mm/min, and accurately machined linear velocity and cutting feeding are respectively 310 ~ 350m/min, 105 ~ 110mm/min;
D, there is the vice of blank assembly to be placed on the workbench of Digit Control Machine Tool clamping, adjust the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly, vice is fixed tightly on the workbench of Digit Control Machine Tool;
E, roughing: start Digit Control Machine Tool, with the rough machined linear velocity 210 ~ 230m/min of setting, cut feeding 68 ~ 74mm/min, roughing layer thickness 2 ~ 3 millimeters and the roughing number of plies 4 ~ 7 layers, heavy-duty cutter is from one end feed of blank assembly until the other end of blank assembly, the milling cutter trend of initiating terminal got back to by backward feed again, roughing is carried out to blank assembly, repetition milling cutter moves towards, successively cut a to the last machined layer, roughing terminates, and bottom land and cell wall leave 0.5 ~ 1 millimeter of allowance for finish respectively;
F, fine finishining: take off heavy-duty cutter, finishing cutter is contained on knife rest, start Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 370m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in g, rotation, unclamps two jaws of vice, by blank assembly upset 180
0, bear against on cushion block with the bottom land after processing, the height of adjustment cushion block, it is high that blank assembly exceeds vice jaw upper surface 1/4 part, rotates and tighten the two jaw clamping blank assemblies that screw rod makes vice;
H, take off finishing cutter, heavy-duty cutter is contained on knife rest, adjusts the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly;
I, startup Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 360m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in j, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part.
Screw rod is tightened in K, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part.
The processing method of this thin-walled parts that the present invention relates to, adopt cushion block to support, vice clamps paired part, and part is easy to loading and unloading, processing technology is simple; Process with the direct clamping thin-walled base such as soft pawl or vice the thin-walled parts distortion caused when eliminating milling.
Claims (1)
1. a processing method for thin-walled parts, is characterized in that: comprise the following steps:
A, selection cutter: the groove depth of the thin-walled parts that foundation will be processed, part are high, groove width, milling cutter diameter is the 1/2 ~ groove width-2 of groove width, select spear-point drill handle heavy-duty cutter and finishing cutter, its cutting edge grinding place roughness of finishing cutter is not more than Ra0.3;
B, the groove depth that Digit Control Machine Tool sets part, groove width, the roughing number of plies 4 ~ 7 layers, the allowance for finish of roughing layer thickness 1-1.5 and 0.2 ~ 0.4 millimeter;
The linear velocity that c, setting main shaft of numerical control machine tool rotate and cutting feeding, rough machined linear velocity and cutting feeding are respectively 220 ~ 230m/min, 72 ~ 74mm/min, and accurately machined linear velocity and cutting feeding are respectively 310 ~ 350m/min, 105 ~ 110mm/min;
D, there is the vice of blank assembly to be placed on the workbench of Digit Control Machine Tool clamping, adjust the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly, vice is fixed tightly on the workbench of Digit Control Machine Tool;
E, roughing: start Digit Control Machine Tool, with the rough machined linear velocity 210 ~ 230m/min of setting, cut feeding 68 ~ 74mm/min, roughing layer thickness 2 ~ 3 millimeters and the roughing number of plies 4 ~ 7 layers, heavy-duty cutter is from one end feed of blank assembly until the other end of blank assembly, the milling cutter trend of initiating terminal got back to by backward feed again, roughing is carried out to blank assembly, repetition milling cutter moves towards, successively cut a to the last machined layer, roughing terminates, and bottom land and cell wall leave 0.5 ~ 1 millimeter of allowance for finish respectively;
F, fine finishining: take off heavy-duty cutter, finishing cutter is contained on knife rest, start Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 370m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in g, rotation, unclamps two jaws of vice, by blank assembly upset 180
0, bear against on cushion block with the bottom land after processing, the height of adjustment cushion block, it is high that blank assembly exceeds vice jaw upper surface 1/4 part, rotates and tighten the two jaw clamping blank assemblies that screw rod makes vice;
H, take off finishing cutter, heavy-duty cutter is contained on knife rest, adjusts the position of heavy-duty cutter and blank assembly, make the blade of heavy-duty cutter aim at the cutting starting point of blank assembly;
I, startup Digit Control Machine Tool, with the accurately machined linear velocity 320 ~ 360m/min of setting and cutting feeding 105 ~ 110mm/min, finishing cutter from blank assembly one end along rough machined groove feed until the other end of blank assembly, reverse milling cutter trend of getting back to initiating terminal along rough machined groove feed again, carry out cutting fine finishining to rough machined bottom land and cell wall, when meeting the requirements of precision, fine finishining terminates;
Screw rod is tightened in j, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part;
Screw rod is tightened in K, rotation, unclamps two jaws of vice, takes off two the thin-walled parts censorships processed, be up to the standards, the process finishing of part.
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| CN201510223045.XA CN104816026A (en) | 2015-05-05 | 2015-05-05 | Thin-wall part processing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239040A (en) * | 2016-08-01 | 2016-12-21 | 安徽贝莱电子科技有限公司 | A kind of processing technique of radar thin-walled deep-recessed part |
| CN107745146A (en) * | 2017-09-28 | 2018-03-02 | 贵州航天电子科技有限公司 | A kind of method for milling of cast aluminium thin-walled parts |
| CN108941684A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of processing method of the kidney-shaped skewed slot of annular thin-wall parts |
| CN108941710A (en) * | 2018-08-13 | 2018-12-07 | 徐州重型机械有限公司 | A kind of anti-milling method |
| CN108941709A (en) * | 2018-08-13 | 2018-12-07 | 徐州重型机械有限公司 | A kind of anti-milling method of cutter for numerically-controlled machine tool |
| CN111774677A (en) * | 2020-07-24 | 2020-10-16 | 四川航天烽火伺服控制技术有限公司 | Machining method of thin-wall part |
| CN114147807A (en) * | 2021-11-30 | 2022-03-08 | 广东依顿电子科技股份有限公司 | Method for processing ultrashort slotted hole of circuit board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602122A (en) * | 2009-07-15 | 2009-12-16 | 天津商业大学 | A kind of precision numerical control milling method for thin-wall parts |
| CN104493274A (en) * | 2014-12-24 | 2015-04-08 | 王友群 | Formed milling cutter and milling forming method using same |
| CN104526030A (en) * | 2014-12-08 | 2015-04-22 | 湖南南方宇航工业有限公司 | Processing method for T-shaped thin-walled parts |
-
2015
- 2015-05-05 CN CN201510223045.XA patent/CN104816026A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602122A (en) * | 2009-07-15 | 2009-12-16 | 天津商业大学 | A kind of precision numerical control milling method for thin-wall parts |
| CN104526030A (en) * | 2014-12-08 | 2015-04-22 | 湖南南方宇航工业有限公司 | Processing method for T-shaped thin-walled parts |
| CN104493274A (en) * | 2014-12-24 | 2015-04-08 | 王友群 | Formed milling cutter and milling forming method using same |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239040A (en) * | 2016-08-01 | 2016-12-21 | 安徽贝莱电子科技有限公司 | A kind of processing technique of radar thin-walled deep-recessed part |
| CN107745146A (en) * | 2017-09-28 | 2018-03-02 | 贵州航天电子科技有限公司 | A kind of method for milling of cast aluminium thin-walled parts |
| CN107745146B (en) * | 2017-09-28 | 2020-03-13 | 贵州航天电子科技有限公司 | Milling method of cast aluminum thin-wall part |
| CN108941710A (en) * | 2018-08-13 | 2018-12-07 | 徐州重型机械有限公司 | A kind of anti-milling method |
| CN108941709A (en) * | 2018-08-13 | 2018-12-07 | 徐州重型机械有限公司 | A kind of anti-milling method of cutter for numerically-controlled machine tool |
| CN108941684A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of processing method of the kidney-shaped skewed slot of annular thin-wall parts |
| CN111774677A (en) * | 2020-07-24 | 2020-10-16 | 四川航天烽火伺服控制技术有限公司 | Machining method of thin-wall part |
| CN114147807A (en) * | 2021-11-30 | 2022-03-08 | 广东依顿电子科技股份有限公司 | Method for processing ultrashort slotted hole of circuit board |
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Application publication date: 20150805 |
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