CN103273280A - Special-profile inspection template processing method - Google Patents
Special-profile inspection template processing method Download PDFInfo
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- CN103273280A CN103273280A CN2013102365405A CN201310236540A CN103273280A CN 103273280 A CN103273280 A CN 103273280A CN 2013102365405 A CN2013102365405 A CN 2013102365405A CN 201310236540 A CN201310236540 A CN 201310236540A CN 103273280 A CN103273280 A CN 103273280A
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Abstract
The invention relates to a special-profile inspection template processing method. According to the technical scheme, the processing method includes the steps of material preparation, processing of milling process, thickness surface polishing and flat grinding process, bench work process, quenching process, grit blasting process, thickness surface to dimension flat grinding process, surface treatment process, wire cutting process, bench work process, optical grinding process, wire cutting process, optical grinding process and the like. Processing technologies of laser wire cutting and optical curve grinding and a template boss profile extension method are adopted. Therefore, processed templates are high in precession, and meets requirements on dimensional tolerance of +/-0.025mm, angle tolerance of +/-2'30'' and edge profile flatness of 0.8.
Description
Technical field
The invention belongs to field of machining, relate to a kind of aircraft field particularly, be used for the whether processing method of the model of qualified special profile of check parts.
Background technology
Model as its name suggests, is exactly template or sample, and model is a kind of measurer of plane, and profile is the part of processing with the test strip curved profile, the foundation of assembly parts and corresponding technological equipment.Model roughly is divided in actual production: a kind of is to draw the profile line to be used for the profile model of processing work, a kind of is to check whether satisfactory check profile model of the part that processed, also having a kind of is that the file of processing parts is repaiied the profile model, thereby general simple line face face mold, the profile inspection template of being divided into, the profile file is repaiied model etc.
The development of making rapid progress along with science and technology improves greatly to the requirement on machining accuracy of profile inspection template, therefore needs a kind of new processing method to replace manual processing technology.
Summary of the invention
The processing method that the purpose of this invention is to provide a kind of special type inspection template, the high requirement of increase 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: the forging blanking, material is intact, flawless, no sand holes;
The processing of 2) miller operation: rough mill six, mill mutually vertical basal plane;
3) plain grinding operation: mill thickness is met personally light, grinds all the other four sides to size, the mutually vertical basal plane of mill;
4) pincers worker operation: rule and bore the wire hole of two radius 1mm, stay the line about 15mm to cut the folder amount, upper end boss profile need lengthen 20mm;
5) quenching process: the ice temper of quenching HRC58-62;
6) blast operation: blast carries out anti-oxidation processing simultaneously;
7) plain grinding operation: mill thickness face grinds orthogonal basal plane to size;
8) surface treatment procedure: the surface processing of turning blue;
9) line cutting process: adopt laser cutting machine tool, pin-and-hole II (2) is cut the hole as the centering line, and the centering line is cut Kong Likong and stayed the 0.02-0.03mm amount of grinding, and profile is stayed 0.2-0.4mm mill amount, and model upper end boss profile lengthens 20mm;
10) pincers worker operation: grind pin-and-hole I and pin-and-hole II to size with the hole grinding rod, the aperture chamfering;
11) optics grinder order: adopting optical contour grinder processing, is " 0 " point with the pin-and-hole II, and increasing 20mm boss profile is the Y-direction locating surface, grinds whole external surfaces;
12) line cutting process: adopt laser cutting machine tool, cut hole centering line with the centering line and cut the unnecessary size of boss, stay 0.3-0.5mm mill amount;
13) optics grinder order: 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: model has two pin-and-hole I that are used for locating and pin-and-hole II, 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 of being formed by 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 that the radius R 3 of 16 ± 0.02mm, curved surface III is that the radius R 4 of 6 ± 0.02mm, curved surface IV 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 prolong the method for model boss profile, and make the model precision height that processes, reach dimensional tolerance at ± 0.025mm, angle tolerance is ± 2 ' 30 ", along the requirement of the luminosity 0.8 of profile.
Description of drawings
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.
The specific embodiment
As depicted in figs. 1 and 2, a kind of structural representation of special type inspection template.Inspection template has just determined whether its tested part is qualified, thereby inspection template just plays a very important role.The characteristics of this inspection template are: two pin-and-hole I (1) that are used for locating when being used for checking and pin-and-hole II (2) are arranged, and 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 of being formed by many curved surfaces that precision prescribed is very high (dimensional tolerance is at ± 0.025mm, and angle tolerance is ± 2 ' 30 ", along the photometric requirement 0.8 of 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 that the radius R 3 of 16 ± 0.02mm, curved surface III (6) is that the radius R 4 of 6 ± 0.02mm, curved surface IV (7) 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 the pin-and-hole II (2) is 55 ± 0.025mm, and vertical range L2 is 34.6 ± 0.025mm; Pin-and-hole II (2) is 27 ± 0.025mm with the distance L 3 of boss profile E face.
The special type inspection template of this kind, permissible accuracy is very high, therefore need after Laser cutting, carry out the required precision that projection grinder processing could guarantee this check profile model, but the locating surface (A, B, C, D, E) of this model is all very short when carrying out fine finishining (the bent mill processing of optics), thereby how to guarantee that it is when the fine finishining profile, how (projection grinder) can locate smoothly, guarantees that location profile long enough is the problem that we will solve.Require as can be seen A, B, E face all can not increase its length without authorization in the design size by this inspection template and destroy whole profile, but C face and D face can increase its length, though the requirement of dimensional accuracy is also arranged, but can increase effective length (projection grinder fine finishining location is used) at C and D face, finish the length that unnecessary increase is removed in the back in fine finishining then, the size of fine finishining C face and D face just can guarantee the smooth processing of whole check profile again.The length of the locating surface that increases is decided on the size of model, and (100 * 100mm) increase 20mm is enough for stock size.
Its concrete processing method is as follows:
1) preparation of material
The forging blanking, material is intact, flawless, no sand holes;
The processing of 2) miller operation
Rough mill six to dimension delta 8.5 * 90.5 * 100, mill mutually vertical basal plane;
3) plain grinding operation
Mill thickness is met personally light, grinds all the other four sides to size, the mutually vertical basal plane of mill;
4) pincers worker operation
Line is also bored two Φ 1 wire holes, stays the line about 15mm to cut the folder amount, and upper end boss profile just C face and D face need lengthen 20mm;
5) quenching process
The ice temper of quenching HRC58-62, quench, ice-cold processing, temper, purpose is in order to eliminate the retained austenite of material in quenching process, thereby reach high hardness, increase the size of wearability and stable workpiece, guarantee the size of precision workpiece, before carrying out, final finishing step also to carry out the artificially aged operation then, can make the Stress Release of workpiece inside or cancel out each other by the Ageing Treatment to workpiece, stabilizing tissue and size make workpiece can stress when fine finishining not unbalance and cause workpiece to be scrapped;
6) blast operation
Blast all carries out the blast operation after the heat treatment, its objective is and remove the oxide layer that forms in the heat treatment process, the alkali that adheres to, salt and greasy dirt etc., carries out simple anti-oxidation processing simultaneously;
7) plain grinding operation
Mill thickness face grinds orthogonal basal plane to size;
8) surface treatment procedure
The surface processing of turning blue, namely at the surface oxidation treatment of iron and steel parts, it is to utilize chemical method to make steel surface generate the extremely close oxide-film of one deck, makes part improve anti-oxidation ability greatly again after oiling;
9) line cutting process
Adopt laser cutting machine tool, pin-and-hole II (2) is cut the hole as the centering line, and the centering line is cut Kong Likong and stayed the 0.02-0.03mm amount of grinding, and profile is stayed 0.2-0.4mm mill amount, and model upper end boss profile C face and D face lengthen 20mm;
10) pincers worker operation
Grind pin-and-hole I (1) and pin-and-hole II (2) to size with the hole grinding rod, the aperture chamfering;
11) optics grinder order
The processing of employing optical contour grinder is " 0 " point with pin-and-hole II (2), and increasing 20mm boss profile (that is, C face and D face) is the Y-direction locating surface, grinds whole external surfaces;
12) line cutting process
Adopt laser cutting machine tool, cut hole centering line with the centering line and cut the unnecessary size of boss 27mm, stay 0.3-0.5mm mill amount;
13) optics grinder order
Mill boss profile guarantees the 27mm size tolerance requirements.
Claims (2)
1. the processing method of a special type inspection template is characterized in that method is as follows:
1) preparation of material: the forging blanking, material is intact, flawless, no sand holes;
The processing of 2) miller operation: rough mill six, mill mutually vertical basal plane;
3) plain grinding operation: mill thickness is met personally light, grinds all the other four sides to size, the mutually vertical basal plane of mill;
4) pincers worker operation: rule and bore the wire hole of two radius 1mm, stay the line about 15mm to cut the folder amount, upper end boss profile need lengthen 20mm;
5) quenching process: the ice temper of quenching HRC58-62;
6) blast operation: blast carries out anti-oxidation processing simultaneously;
7) plain grinding operation: mill thickness face grinds orthogonal basal plane to size;
8) surface treatment procedure: the surface processing of turning blue;
9) line cutting process: adopt laser cutting machine tool, pin-and-hole II (2) is cut the hole as the centering line, and the centering line is cut Kong Likong and stayed the 0.02-0.03mm amount of grinding, and profile is stayed 0.2-0.4mm mill amount, and 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 the hole grinding rod, the aperture chamfering;
11) optics grinder order: adopting optical contour grinder processing, is " 0 " point with pin-and-hole II (2), and increasing 20mm boss profile is the Y-direction locating surface, grinds whole external surfaces;
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 order: adopt optical contour grinder processing, mill boss profile.
2. the processing method of special type inspection template as claimed in claim 1, the structure that it is characterized in that described special type inspection template is: model (3) has two pin-and-hole I (1) that are used for locating and pin-and-hole II (2), 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; The irregular profile of being formed by 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 (4) is 4 ± 0.02mm, the radius R 2 of curved surface II (5) is that the radius R 3 of 16 ± 0.02mm, curved surface III (6) is that the radius R 4 of 6 ± 0.02mm, curved surface IV (7) is 1 ± 0.015mm, and the radius R 5 of curved surface V (8) is 10 ± 0.025mm; The thickness of model is 8mm.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN106926211A (en) * | 2017-04-27 | 2017-07-07 | 沈阳飞机工业（集团）有限公司 | A kind of model with measurement auricle |
| CN108085477A (en) * | 2017-12-16 | 2018-05-29 | 武汉华夏精冲技术有限公司 | A kind of improved thin annulus part quenching partition plate and its processing method |
| CN108161357A (en) * | 2017-12-26 | 2018-06-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of back of the body 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 |
| CN109648108A (en) * | 2019-01-16 | 2019-04-19 | 沈阳飞机工业（集团）有限公司 | A kind of processing method of brand-new template pilot hole |
| CN112548979A (en) * | 2020-12-01 | 2021-03-26 | 四川航天长征装备制造有限公司 | Marking method of melon petal chemical milling sample plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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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| CN109648108A (en) * | 2019-01-16 | 2019-04-19 | 沈阳飞机工业（集团）有限公司 | A kind of processing method of brand-new template pilot hole |
| CN112548979A (en) * | 2020-12-01 | 2021-03-26 | 四川航天长征装备制造有限公司 | Marking method of melon petal chemical milling sample plate |
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