CN103273280B - A kind of processing method of special type inspection template - Google Patents
A kind of processing method of special type inspection template Download PDFInfo
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- CN103273280B CN103273280B CN201310236540.5A CN201310236540A CN103273280B CN 103273280 B CN103273280 B CN 103273280B CN 201310236540 A CN201310236540 A CN 201310236540A CN 103273280 B CN103273280 B CN 103273280B
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Abstract
The present invention relates to a kind of processing method of special type inspection template.The technical scheme adopted is: through the preparation of material, the processing of miller operation, thickness meets personally light plain grinding operation, pincers worker operation, quenching process, blast operation, thickness face to size plain grinding operation, surface treatment procedure, line cutting process, pincers worker operation, optics grinder sequence, line cutting process, optics grinder sequence etc., adopt the process technology of laser rays cutting and projection grinder, and extend the method for model boss profile, make the model precision that processes high, reach dimensional tolerance at ± 0.025mm, angle tolerance ± 2 ' 30 ", along the requirement of the luminosity 0.8 of profile.
Description
Technical field
The invention belongs to field of machining, relate to a kind of aircraft circles particularly, for the processing method of the model of the special profile of checking parts whether qualified.
Background technology
Model, as the term suggests be exactly template or sample, model is a kind of measurer of plane, profile is used to the part of processing and test strip curved profile, the foundation of assembly parts and corresponding technological equipment.In actual production, model is roughly divided into: a kind of being used to draws profile line to be used for the profile model of processing work, a kind of is check the part whether satisfactory inspection profile model processed, a kind of file being used to processing parts is also had to repair profile model, thus be generally simply divided into line face face mold, profile inspection template, model etc. repaiied by profile file.
Along with the development that science and technology is maked rapid progress, the requirement on machining accuracy of profile inspection template is improved greatly, therefore needs a kind of new processing method to replace manual processing technology.
Summary of the invention
The object of this invention is to provide a kind of processing method of special type inspection template, increase the high requirement of required precision and profile luminosity and tolerance.
The technical solution used in the present invention is: a kind of processing method of special type inspection template, and method is as follows:
1) preparation of material: forging blanking, material is intact, flawless, without sand holes;
2) processing of miller operation: rough mill six, milling is vertical basal plane mutually;
3) plain grinding operation: mill thickness meets personally light, grind all the other four sides to size, mill is vertical basal plane mutually;
4) pincers worker operation: rule and bore the wire hole of two radius 1mm, staying the line of about 15mm to cut folder amount, upper end boss profile needs to lengthen 20mm;
5) quenching process: quench ice temper HRC58-62;
6) blast operation: blast carries out anti-oxidation process simultaneously;
7) plain grinding operation: orthogonal basal plane, to size, is ground in mill thickness face;
8) surface treatment procedure: turn blue process in surface;
9) line cutting process: adopt laser cutting machine tool, pin-and-hole II (2) is as centering line cut hole, and in centering line cut hole, the 0.02-0.03mm amount of grinding is stayed in hole, and profile stays 0.2-0.4mm mill amount, model upper end boss profile lengthens 20mm;
10) pincers worker operation: grind pin-and-hole I and pin-and-hole II to size with hole grinding rod, orifice chamfer;
11) optics grinder sequence: adopting optical contour grinder processing, is " 0 " point with pin-and-hole II, increasing 20mm boss profile is Y-direction locating surface, grinds whole external surface;
12) line cutting process: adopt laser cutting machine tool, cut the unnecessary size of boss with centering line cut hole centering line, stay 0.3-0.5mm mill amount;
13) optics grinder sequence: adopt optical contour grinder processing, mill boss profile.
The processing method of above-mentioned special type inspection template, the structure of described special type inspection template is: pin-and-hole I and pin-and-hole II that model has two to be used for locating, and the radius R 6 of pin-and-hole I is 3mm, and the radius R 7 of pin-and-hole II is 10mm; The irregular profile be made up of many curved surfaces, the locating surface of this model is A, B, C, D, E face, be provided with many curved surfaces, the radius R 1 of curved surface I is 4 ± 0.02mm, the radius R 2 of curved surface II is 16 ± 0.02mm, the radius R of curved surface III 3 is 6 ± 0.02mm, the radius R of curved surface IV 4 is 1 ± 0.015mm, and the radius R 5 of curved surface V is 10 ± 0.025mm; The thickness of model is 8mm.
The invention has the beneficial effects as follows: the present invention adopts the process technology of laser rays cutting and projection grinder, and extend the method for model boss profile, make the model precision that processes high, reach dimensional tolerance at ± 0.025mm, angle tolerance ± 2 ' 30 ", along the requirement of the luminosity 0.8 of profile.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of a kind of special type inspection template shown in the present embodiment 1.
Fig. 2 is the structural representation of a kind of special type inspection template shown in the present embodiment 1.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of structural representation of special type inspection template.Whether inspection template just determines its tested part qualified, and thus inspection template just plays a very important role.The feature of this inspection template is: have pin-and-hole I (1) and pin-and-hole II (2) that two are used for being used for when checking locating, the radius R 6 of pin-and-hole I (1) is 3mm, and the radius R 7 of pin-and-hole II (2) is 10mm; Irregular, the profile that precision prescribed is very high that is made up of many curved surfaces (dimensional tolerance at ± 0.025mm, angle tolerance ± 2 ' 30 ", the photometric requirement 0.8 along profile).The locating surface of this model is A, B, C, D, E face, be provided with many curved surfaces, the radius R 1 of curved surface I (4) is 4 ± 0.02mm, the radius R 2 of curved surface II (5) is 16 ± 0.02mm, the radius R of curved surface III (6) 3 is 6 ± 0.02mm, the radius R of curved surface IV (7) 4 is 1 ± 0.015mm, and the radius R 5 of curved surface V (8) is 10 ± 0.025mm; The thickness of model is 8mm.Horizontal range L1 between pin-and-hole I (1) and pin-and-hole II (2) is 55 ± 0.025mm, vertical range L2 is 34.6 ± 0.025mm; Pin-and-hole II (2) is 27 ± 0.025mm with the distance L3 in boss profile E face.
This kind of special type inspection template, permissible accuracy is very high, therefore the required precision carrying out this inspection profile model of projection grinder processing guarantee after Laser cutting is needed, but the locating surface (A, B, C, D, E) of this model is all very short when carrying out fine finishining (processing of optics song mill), thus how to ensure that it is when fine finishining profile, how (projection grinder) can locate smoothly, ensures that location profile long enough is the problem that we will solve.Require to find out that A, B, E face all can not increase its length without authorization and destroy whole profile in the design size by this inspection template, but C face and D face can increase its length, although also there is the requirement of dimensional accuracy, but effective length (projection grinder fine finishining location is used) can be increased in C and D face, then after fine finishining terminates, remove the length of unnecessary increase, then the size in fine finishining C face and D face just can ensure the smooth processing of whole inspection profile.The length of the locating surface increased is depending on the size of model, and the increase 20mm of stock size (100 × 100mm) is enough.
Its concrete processing method is as follows:
1) preparation of material
Forging blanking, material is intact, flawless, without sand holes;
2) processing of miller operation
Rough mill six to dimension delta 8.5 × 90.5 × 100, milling is vertical basal plane mutually;
3) plain grinding operation
Mill thickness meets personally light, and grind all the other four sides to size, mill is vertical basal plane mutually;
4) pincers worker operation
Rule and bore two Φ 1 wire holes, staying the line of about 15mm to cut folder amount, upper end boss profile i.e. C face and D face need to lengthen 20mm;
5) quenching process
Quench ice temper HRC58-62, quench, ice-cold process, temper, object is to eliminate the retained austenite of material in quenching process, thus reach high hardness, increase the size of wearability and stable workpiece, ensure the size of precision workpiece, then before final finishing step carries out, also artificially aged operation will be carried out, by the Stress Release of inside workpiece can be made to the Ageing Treatment of workpiece or cancels out each other, stabilizing tissue and size, make workpiece when fine finishining can not stress unbalance and cause workpiece to be scrapped;
6) blast operation
Blast, all carries out blast operation after heat treatment, its objective is oxide layer, the alkali of attachment, salt and the greasy dirt etc. that are formed in removing heat treatment process, carries out simple anti-oxidation process simultaneously;
7) plain grinding operation
Orthogonal basal plane, to size, is ground in mill thickness face;
8) surface treatment procedure
Turn blue process in surface, namely for the surface oxidation treatment of iron and steel parts, it utilizes chemical method to make steel surface generate the extremely close oxide-film of one deck, then after oiling, make part greatly improve anti-oxidation ability;
9) line cutting process
Adopt laser cutting machine tool, pin-and-hole II (2) is as centering line cut hole, and in centering line cut hole, the 0.02-0.03mm amount of grinding is stayed in hole, and profile stays 0.2-0.4mm mill amount, and boss profile C face, model upper end and D face lengthen 20mm;
10) pincers worker operation
Pin-and-hole I (1) and pin-and-hole II (2) is ground to size, orifice chamfer with hole grinding rod;
11) optics grinder sequence
Employing optical contour grinder is processed, and is " 0 " point with pin-and-hole II (2), and increasing 20mm boss profile (that is, C face and D face) is Y-direction locating surface, grinds whole external surface;
12) line cutting process
Adopt laser cutting machine tool, cut the unnecessary size of boss 27mm with centering line cut hole centering line, stay 0.3-0.5mm mill amount;
13) optics grinder sequence
Mill boss profile, ensures 27mm size tolerance requirements.
Claims (1)
1. a processing method for special type inspection template, is characterized in that, the irregular profile that model (3) is made up of many curved surfaces, has pin-and-hole I (1) and pin-and-hole II (2) that two are used for locating,
Method is as follows:
1) preparation of material: forging blanking, material is intact, flawless, without sand holes;
2) processing of miller operation: rough mill six, milling is vertical basal plane mutually;
3) plain grinding operation: mill thickness meets personally light, grind all the other four sides to size, mill is vertical basal plane mutually;
4) pincers worker operation: rule and bore the wire hole of two radius 1mm, staying the line of 15mm to cut folder amount, upper end boss profile needs to lengthen 20mm;
5) quenching process: quench ice temper HRC58-62;
6) blast operation: blast carries out anti-oxidation process simultaneously;
7) plain grinding operation: orthogonal basal plane, to size, is ground in mill thickness face;
8) surface treatment procedure: turn blue process in surface;
9) line cutting process: adopt laser cutting machine tool, pin-and-hole II (2) is as centering line cut hole, and in centering line cut hole, the 0.02-0.03mm amount of grinding is stayed in hole, and profile stays 0.2-0.4mm mill amount, model upper end boss profile lengthens 20mm;
10) pincers worker operation: grind pin-and-hole I (1) and pin-and-hole II (2) to size with hole grinding rod, orifice chamfer;
11) optics grinder sequence: adopting optical contour grinder processing, is " 0 " point with pin-and-hole II (2), increasing 20mm boss profile is Y-direction locating surface, grinds whole external surface;
12) line cutting process: adopt laser cutting machine tool, cut the unnecessary size of boss with pin-and-hole II (2) centering line, stay 0.3-0.5mm mill amount;
13) optics grinder sequence: adopt optical contour grinder processing, mill boss profile.
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| CN104400341A (en) * | 2014-10-29 | 2015-03-11 | 苏州市金德誉精密机械有限公司 | Processing process for clamp block |
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| CN108085477B (en) * | 2017-12-16 | 2019-11-01 | 武汉华夏精冲技术有限公司 | The improved thin annulus part quenching partition of one kind and its processing method |
| CN108161357B (en) * | 2017-12-26 | 2019-08-09 | 哈尔滨汽轮机厂有限责任公司 | A kind of back arc electrode inspection template processing method |
| CN108723709A (en) * | 2018-05-18 | 2018-11-02 | 靖江佳仁半导体科技有限公司 | A kind of processing method of CVD reaction chambers |
| CN109648108B (en) * | 2019-01-16 | 2020-08-07 | 沈阳飞机工业（集团）有限公司 | Method for machining assembling hole of new sample plate |
| CN112548979B (en) * | 2020-12-01 | 2022-09-02 | 四川航天长征装备制造有限公司 | Marking method for melon petal chemical milling sample plate |
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| CN102501013A (en) * | 2011-11-02 | 2012-06-20 | 沈阳飞机工业（集团）有限公司 | Processing method of chemical milling template |
| CN103033403A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Preparation method of thin-sheet metal film test sample |
| CN202877887U (en) * | 2012-10-16 | 2013-04-17 | 苏州先创精密模具有限公司 | Template machining system |
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| KR100501654B1 (en) * | 2003-04-15 | 2005-07-18 | 현대자동차주식회사 | Sample pre-treatment method for aluminum alloy content analysis |
| KR100636029B1 (en) * | 2004-09-10 | 2006-10-18 | 삼성전자주식회사 | Method for forming specimen protecting layer and method for manufacturing transmission electron microscope of specimen for analyzing using the same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2109263C1 (en) * | 1996-07-04 | 1998-04-20 | Виктор Никонорович Семенов | Process of test of metal sample for correction of microcracks in weld |
| CN103033403A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Preparation method of thin-sheet metal film test sample |
| CN102501013A (en) * | 2011-11-02 | 2012-06-20 | 沈阳飞机工业（集团）有限公司 | Processing method of chemical milling template |
| CN202877887U (en) * | 2012-10-16 | 2013-04-17 | 苏州先创精密模具有限公司 | Template machining system |
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