CN104589004A - Final drive positioner manufacturing process method - Google Patents
Final drive positioner manufacturing process method Download PDFInfo
- Publication number
- CN104589004A CN104589004A CN201510016725.4A CN201510016725A CN104589004A CN 104589004 A CN104589004 A CN 104589004A CN 201510016725 A CN201510016725 A CN 201510016725A CN 104589004 A CN104589004 A CN 104589004A
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- China
- Prior art keywords
- positioning sleeve
- locator
- fork ear
- hole
- ear
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- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/01—Aircraft parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention belongs to an aircraft tool manufacturing process and relates to a final drive positioner manufacturing process method. A vertex of a combined disc is used as a datum point for alignment, a grinding smooth surface of a positioning sleeve is used for positioning, a fork lug is processed on a molybdenum wire cutting machine tool, the shape of the fork lug and the center surface of a positioning groove are used as a benchmark, the positioning sleeve and the combined disc are processed by a digital controlled lathe, an alignment tool plate of which the boundary dimension is larger than that of the fork lug is mutually fixed with a final drive positioner, a method that each hole of the final drive positioner is processed in a computer numerical control boring and milling machine is adopted, an inner groove and an outer shallow of the fork lug of the final drive positioner meet the concentric manufacturing tolerance requirement, the thickness sizes of two flat lug sheets of the fork lug are identical, the thick surfaces are mutually parallel, and the center line of an inner hole of the positioning sleeve coincides with the center surface of the inner groove of the fork lug of a positioning joint. According to the final drive positioner manufacturing process method, the zero deflection of the positioning and mounting of an aircraft final drive joint product is ensured.
Description
Technical field
The invention belongs to Aircraft Tools manufacturing technology, relate to a kind of master and subtract locator method of manufacturing technology.
Background technology
Master in processing Helicopter Transmission System subtracts in the frock of joint, and its master subtracts locator and is made up of positioning sleeve and landing nipple.Landing nipple comprises united dish and fork ear.Positioning sleeve and landing nipple adopt weld connection.The inner hole centreline of positioning sleeve requires the fork pockets center superposition with landing nipple; The interior groove center of the fork ear of landing nipple requires and outer flat center superposition, and on the fork ear of landing nipple, all locating holes require vertical with garden axial line in positioning sleeve.
The method of manufacturing technology that former master subtracts locator is:
(1) after blanking positioning sleeve blank, inwall stays processing capacity, and remaining interior profile and length make by figure turning.
(2) after blanking landing nipple blank, milling squarely and positioning sleeve integrally welded.
(3) adopt the inside groove of the fork ear of Milling Process good landing nipple and outer flat, all locating holes and positioning sleeve endoporus on the fork ear that then boring makes landing nipple on fine boring machine, boring afterwards makes positioning sleeve side locating hole.
Adopt above process to manufacture after aircraft master subtracts terminal position, detect the inside groove that finds fork ear and flatly could not meet concentric manufacturing tolerance requirement outward; The not identical and thickness face of two flat auricle gauges of fork ear is not parallel to each other mutually; The inside groove median plane of the fork ear of positioning sleeve inner hole centreline and landing nipple is not harmonious.Therefore aircraft master is caused to subtract connector product location and installation deviation.
Summary of the invention
The object of the invention is: provide a kind of can ensure main subtract locator manufacture fork pockets median plane and positioning sleeve endoporus center be harmonious, and the process that on the fork ear of landing nipple, all locating holes are vertical with positioning sleeve endoporus axial line.
Technical scheme of the present invention is:
The main locator that subtracts adopts material all in one piece integrally manufactured.Master subtracts locator and comprises positioning sleeve, united dish and fork ear.Positioning sleeve is cylindrical member, and positioning sleeve comprises installing hole and through hole, and installing hole is concentric with the cylindrical of positioning sleeve, and the center line of through hole is vertical by the center line of installing hole; United dish is cylinder, and positioning sleeve is vertically connected on the center of the upper surface of united dish; Fork ear is panel-like member, fork ear 3 is vertically connected on the center of the lower surface of united dish, fork ear comprises cursor hole, locating hole and locating slot, the central axis of cursor hole and locating hole is in the median plane of locating slot, the center line of installing hole and the median plane of locating slot are harmonious, and two faces of the thickness of fork ear are to median plane measure-alike of locating slot.
The concrete method of manufacturing technology of the present invention is:
One) first according to drawing contour dimension, high-volume blanking is main subtracts locator blank;
Two) planing operation master subtracts the upper and lower surface of locator blank thickness, stays 0.5 millimeter of fine finishining amount;
Three) with reference to the main appearance and size subtracting locator, milling is main subtracts the profile of the positioning sleeve of locator, united dish and fork ear, and united dish and positioning sleeve are square, and appearance and size stays grinding amount 0.5 millimeter; United dish is concentric with positioning sleeve; Fork ear appearance and size and gauge all stay 3 ~ 5 millimeters of molybdenum filament processing capacities;
Four) the square external profile surface of grinding positioning sleeve and united dish, make square adjacent two external surfaces be harmonious vertically, square relative two external surfaces are parallel to each other, and the distance of square relative two external surfaces is measure-alike, and the square central of positioning sleeve and united dish overlaps;
Five) using a square summit of united dish as datum mark, build coordinate establishment master and subtract the profile of the fork ear of locator and the processing molybdenum filament cutting process of locating slot, the profile of fork ear is cut to final size, the interior shape of locating slot is cut to final size, and 0.5 millimeter of fine ginding processing capacity is all stayed in the thickness above and below of fork ear;
Six) on molybdenum wire cutting machine bed, according to the reference vertex centering of united dish, locate with the mill faced surface of positioning sleeve, pitch the profile of ear to final size with the molybdenum filament cutting process processing of establishment;
Seven) on molybdenum wire cutting machine bed, again according to the reference vertex centering of united dish, locate with the mill faced surface of positioning sleeve, with shape in the locating slot of the molybdenum filament cutting process processing fork ear of establishment to final size, the thickness above and below of processing fork ear, all stays 0.5 millimeter of fine ginding processing capacity;
Eight) to pitch the profile of ear and locating slot median plane for benchmark, the Excircle machining line of positioning sleeve and united dish is pulled; Fix by scribe fiducials centering in numerically controlled lathe, the cylindrical of reference processing line turning positioning sleeve and the cylindrical of united dish are to final size; The endoporus of turning positioning sleeve, stays 0.5 millimeter of boring amount;
Nine) alignment tool plate is prepared, specific features is: tool palette is cuboid, the contour length size of tool palette is greater than the maximum appearance and size 200 ~ 300 millimeters of fork ear, the width dimensions of tool palette is greater than the maximum appearance and size 100 millimeters of fork ear, the notch of the locating slot after the gauge of tool palette and molybdenum filament cutting processing is measure-alike, and is interference fits tolerance dimension;
Ten) tool palette is inserted in the locating slot of fork ear, make tool palette subtract locator with master and interfix;
11) after interfixing, tool palette subtracts locator be placed on grinding machine workbench with main, with the thickness face of tool palette for datum level centering is fixed, the upper surface of the thickness of grinding fork ear and lower surface, make two of the thickness of fork ear faces to the measure-alike of the median plane of locating slot and meet design drawing dimensional requirement;
12) benchmark is built with reference to the endoporus of positioning sleeve, the profile of fork ear and locating slot 8 median plane, the cursor hole on stroke fork ear and the processing line of locating hole;
13) tool palette after interfixing is subtracted locator put on the workbench of digital-control boring-milling machine with main, with the thickness face of tool palette for datum level location is fixing, make cursor hole and locating hole with reference to the endoporus center of positioning sleeve and scribing by bench worker boring; To process cursor hole and locating hole for benchmark, boring makes installing hole and the through hole of positioning sleeve;
14) tool palette interfixed is subtracted locator with master to decompose;
15) detect master and subtract each manufacturing dimension of locator, after meeting design drawing requirement, complete master and subtract locator manufacture.
The advantage that the present invention has and beneficial effect,
The present invention adopts using united dish summit as datum mark centering, and locate with the mill faced surface of positioning sleeve, and on molybdenum wire cutting machine bed, ear is pitched in processing, then, to pitch the profile of ear and locating slot median plane for benchmark, by lathe in machining positioning sleeve and united dish; Finally, the alignment tool plate being greater than fork ear appearance and size by appearance and size subtracts locator interfix with main, then on digital-control boring-milling machine the main method subtracting each hole of locator of processing, make main subtract locator fork ear inside groove and flatly meet concentric manufacturing tolerance requirement outward; Two flat auricle gauges of fork ear are identical, and thickness face is parallel to each other; The inside groove median plane of the fork ear of positioning sleeve inner hole centreline and landing nipple is harmonious.Ensure that aircraft master subtracts connector product location and installation zero deflection.
The manufacture difficult problem that the inner hole centreline that the invention solves positioning sleeve coincides with the median plane of the locating slot of fork ear, ensure that the manufacture requirements to inner position groove center identity distance from consistent size of two thickness outer surfaces of fork ear, meet the manufacture requirements that the cursor hole of pitching on ear is vertical with the median plane of locating slot with locating hole, solve the manufacture difficult problem of central axis for the inside installing hole of cursor hole on fork ear and locating hole and positioning sleeve, two the flat auricle gauges solving fork ear are consistent, and the manufacture difficult problem that two of auricle thickness as outside faces are parallel to each other, avoid the location and installation deviation that aircraft master subtracts connector product.
Accompanying drawing explanation
Fig. 1 is that master subtracts locator front view.
Fig. 2 is that master subtracts locator side view.
Fig. 3 leads to subtract locator and prepare tool palette to assemble schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.The main locator that subtracts adopts material all in one piece integrally manufactured.The main locator that subtracts comprises positioning sleeve 1, united dish 2 and fork ear 3.Positioning sleeve 1 is cylindrical member, and positioning sleeve 1 comprises installing hole 4 and through hole 5, and installing hole 4 is concentric with the cylindrical of positioning sleeve 1, and the center line of through hole 5 is vertical by the center line of installing hole 4; United dish 2 is cylinder, and positioning sleeve 1 is vertically connected on the center of the upper surface of united dish 2; Fork ear 3 is panel-like member, fork ear 3 is vertically connected on the center of the lower surface of united dish 2, fork ear 3 comprises cursor hole 6, locating hole 7 and locating slot 8, the central axis of cursor hole 6 and locating hole 7 is in the median plane of locating slot 8, the center line of installing hole 4 and the median plane of locating slot 8 are harmonious, and two faces of the thickness of fork ear 3 are to median plane measure-alike of locating slot 8.
The concrete method of manufacturing technology of the present invention is:
One) first according to drawing contour dimension, high-volume blanking is main subtracts locator blank.Pincers worker deburring;
Two) planing operation master subtracts the upper and lower surface of locator blank thickness, stays 0.5 millimeter of fine finishining amount.Pincers worker deburring;
Three) subtracts locator front view appearance and size with reference to main, waste milling of ruling is main subtracts the profile of the positioning sleeve 1 of locator, united dish 2 and fork ear 3.Specific requirement: united dish 2 milling squarely, appearance and size stays grinding amount 0.5 millimeter; Positioning sleeve 1 milling squarely, appearance and size stays grinding amount 0.5 millimeter; United dish 2 requires concentric with positioning sleeve 1; Fork ear 3 appearance and size and gauge famine mill, and all stay 3 ~ 5 millimeters of molybdenum filament processing capacities.Pincers worker deburring;
Four) the square external profile surface of grinding positioning sleeve 1 and united dish 2, square adjacent two external surfaces are made to be harmonious vertically, square relative two external surfaces are parallel to each other, and the distance of square relative two external surfaces is measure-alike, and the square central of positioning sleeve 1 and united dish 2 overlaps.Pincers worker deburring.
Five) build coordinate establishment master with a square summit of united dish 2 and subtract the profile of the fork ear 3 of locator and the processing molybdenum filament cutting process of locating slot 8.Specific requirement: the profile of fork ear 3 is cut to final size.The interior shape of locating slot 8 is cut to final size, and 0.5 millimeter of fine ginding processing capacity is all stayed in the thickness above and below of fork ear 3;
Six) on molybdenum wire cutting machine bed, according to the reference vertex centering of united dish 2, locate with the mill faced surface of positioning sleeve 1, pitch the profile of ear 3 to final size with the molybdenum filament cutting process processing of establishment.Pincers worker deburring;
Seven) on molybdenum wire cutting machine bed, again according to the reference vertex centering of united dish 2, locate with the mill faced surface of positioning sleeve 1, with shape in the locating slot 8 of the molybdenum filament cutting process processing fork ear 3 of establishment to final size, the thickness above and below of processing fork ear 3, all stays 0.5 millimeter of fine ginding processing capacity.Pincers worker deburring;
Eight) pincers worker is to pitch the profile of ear 3 and locating slot 8 median plane for benchmark, pulls the Excircle machining line of positioning sleeve 1 and united dish 2; Fix by scribe fiducials centering in numerically controlled lathe, the cylindrical of reference processing line turning positioning sleeve 1 and the cylindrical of united dish 2 are to final size; The endoporus of waste turning positioning sleeve 1, stays 0.5 millimeter of boring amount; Pincers worker deburring;
Nine) alignment tool plate 10 is prepared, specific features is: tool palette 10 is cuboid, the contour length size of tool palette 10 is greater than the maximum appearance and size 200 ~ 300 millimeters of fork ear 3, the width dimensions of tool palette 10 is greater than the maximum appearance and size 100 millimeters of fork ear 3, the notch of the locating slot 8 after the gauge of tool palette 10 and molybdenum filament cutting processing is measure-alike, and is interference fits tolerance dimension; Pincers worker deburring;
Ten) with reference to Fig. 3, tool palette 10 is inserted in the locating slot 8 of fork ear 3, make tool palette 10 subtract locator with master and interfix;
11) after interfixing, tool palette 10 subtracts locator be placed on grinding machine workbench with main, with the thickness face of tool palette 10 for datum level centering is fixed, the upper surface of the thickness of grinding fork ear 3 and lower surface, make two of the thickness of fork ear 3 faces to the measure-alike of the median plane of locating slot 8 and meet design drawing dimensional requirement, pincers worker deburring;
12) pincers worker builds benchmark with reference to the endoporus of positioning sleeve 1, the profile of fork ear 3 and locating slot 8 median plane, the cursor hole 6 on stroke fork ear 3 and the processing line of locating hole 7.
13) tool palette after interfixing 10 is subtracted locator put on the workbench of digital-control boring-milling machine with main, with the thickness face of tool palette 10 for datum level location is fixing, make cursor hole 6 and locating hole 7 with reference to the endoporus center of positioning sleeve 1 and scribing by bench worker boring; To process cursor hole 6 and locating hole 7 for benchmark, boring makes installing hole 4 and the through hole 5 of positioning sleeve 1.Pincers worker deburring;
14) tool palette 10 interfixed is subtracted locator with master to decompose.Pincers worker deburring.
15) detect brand-new master and subtract each manufacturing dimension of locator, after meeting design drawing requirement, complete master and subtract locator manufacture.
Embodiment
Main positioning sleeve 1 length subtracting locator is 60 millimeters, and the hole size of positioning sleeve 1 is
millimeter, the excircle dimension of positioning sleeve 1 is
millimeter, the internal diameter size of through hole 5 is
millimeter, united dish 2 outside dimension is
millimeter, united dish 2 gauge is 12 millimeters, and the internal diameter size in cursor hole 6 is
millimeter, locating hole 7 internal diameter size is
millimeter, the width dimensions of locating slot 8 is 22H7 millimeter, the gauge of fork ear 3 is 46h7 millimeter, the auricle gauge of fork ear 3 is 12h7 millimeter, the vertical range at the center of through hole 5 and the center in cursor hole 6 is 71.48 ± 0.02 millimeters, the horizontal range at the center of through hole 5 and the center in cursor hole 6 is 14.40 ± 0.02 millimeters, the vertical range at the center of through hole 5 and the center of locating hole 7 is 106 ± 0.02 millimeters, the horizontal range at the center of through hole 5 and the center of locating hole 7 is 51.01 ± 0.02 millimeters, the angle of the axis of the line positioning sleeve 1 at the center, hole of cursor hole 6 and locating hole 7 is 44 ° ± 5 ＇, the center line of installing hole 4 passes through the center of united dish 2, the center line of installing hole 4 and the median plane of locating slot 8 are harmonious, the center line of through hole 5 is vertical by the center line of installing hole 4, positioning sleeve 1 is vertically connected on the center of the upper surface of united dish 2, the central axis of cursor hole 6 and locating hole 7 is in the median plane of locating slot 8,
The main concrete method of manufacturing technology subtracting locator is:
One) first according to drawing contour dimension, high-volume blanking is main subtracts locator blank.Pincers worker deburring;
Two) planing operation master subtracts locator blank gauge to 100.5 millimeter, pincers worker deburring;
Three) waste milling of ruling is main subtracts the profile of the positioning sleeve 1 of locator, united dish 2 and fork ear 3.Specific requirement: united dish 2 milling becomes 100.5 millimeters of X100.5 millimeters square, positioning sleeve 1 milling becomes 90.5 millimeters of X90.5 millimeters square, and high-volume 5 millimeters of millings are good for fork ear 3 profile; The milling of fork ear 3 thickness becomes 52 millimeters; Pincers worker deburring;
Four) square profile of grinding positioning sleeve 1 is of a size of 90 millimeters of X90 millimeters, and the square profile of grinding united dish 2 is of a size of 100 millimeters of X100 millimeters, requires that positioning sleeve 1 is concentric and parallel with the square of united dish 2.Pincers worker deburring.
Five) the coordinate establishment fork sharp processing molybdenum filament cutting process of ear 3 and the processing molybdenum filament cutting process of locating slot 8 is built with the foursquare bottom right forward terminal of united dish 2.Specific requirement: the profile of fork ear 3 is cut to final size.The width dimensions 22H7 millimeter of locating slot 8 is cut to final size, and the gauge of fork ear 3 is processed as 47 millimeters, and 0.5 millimeter of fine ginding processing capacity is all stayed in above and below.
Six) on molybdenum wire cutting machine bed, according to the foursquare bottom right forward terminal centering of united dish 2, locate with the square light face of positioning sleeve 1, pitch the profile of ear 3 to final size with the molybdenum filament cutting process processing of establishment.Pincers worker deburring;
Seven) on molybdenum wire cutting machine bed, again according to the foursquare bottom right forward terminal centering of united dish 2, locate with the square light face of positioning sleeve 1, with the width dimensions 22H7 millimeter of molybdenum filament cutting process locating and machining groove 8 of establishment to final size, the gauge of processing fork ear 3 is processed as 47 millimeters, and 0.5 millimeter of fine ginding processing capacity is all stayed in above and below.Pincers worker deburring;
Eight) pincers worker is to pitch the profile of ear 3 and locating slot 8 median plane for benchmark, pulls positioning sleeve 1
millimeter Excircle machining line and united dish 2
millimeter Excircle machining line; Fix by scribe fiducials centering in numerically controlled lathe, the excircle dimension of reference processing line turnery processing positioning sleeve 1 and the excircle dimension of united dish 2 are to final size; The endoporus of half finish turning locating and machining cover 1 is
millimeter; Pincers worker deburring;
Nine) prepare alignment tool plate 10, specific features is: tool palette 10 is cuboid, and the contour length of tool palette 10 is of a size of 300 millimeters, and the width dimensions of tool palette 10 is 150 millimeters, and the gauge of tool palette 10 is 22m7 millimeter.Pincers worker deburring;
Ten) with reference to Fig. 3, tool palette 10 is inserted in locating slot 8, make tool palette 10 subtract locator with master and interfix;
11) after interfixing, tool palette 10 subtracts locator be placed on grinding machine workbench with main, with the thickness face of tool palette 10 for datum level centering is fixed, the gauge of grinding fork ear 3 is 46h7 millimeter, makes the gauge of two auricles of fork ear 3 be 12h7 millimeter.Pincers worker deburring;
12) pincers worker meets the demands as condition determination scribe fiducials with reference to the endoporus center of positioning sleeve 1, the fork profile of ear 3 and locating slot 8 median plane three elements, draws the processing line of endoporus of the cursor hole 6 on fork ear 3, locating hole 7 and positioning sleeve 1.
13) tool palette after interfixing 10 is subtracted locator put on the workbench of digital-control boring-milling machine with main, with the thickness face of tool palette 10 for datum level location is fixing, with reference to scribing by bench worker boring cursor hole 6
millimeter internal diameter size; Boring locating hole 7
millimeter internal diameter size; With reference to cursor hole 6 and locating hole 7 after processing, the installing hole 4 of boring positioning sleeve 1
millimeter internal diameter size and through hole 5
millimeter internal diameter size.Pincers worker deburring;
14) tool palette 10 interfixed is subtracted locator with master to decompose.Pincers worker deburring.
15) detect brand-new master and subtract each manufacturing dimension of locator, after meeting design drawing requirement, complete master and subtract locator manufacture.
Claims (1)
1. a master subtracts locator method of manufacturing technology, the main locator that subtracts comprises positioning sleeve (1), united dish (2) and fork ear (3), positioning sleeve (1) comprises installing hole (4) and through hole (5), fork ear (3) comprises cursor hole (6), locating hole (7) and locating slot (8), it is characterized in that
The main method of manufacturing technology subtracting locator is:
One) first according to drawing contour dimension, high-volume blanking is main subtracts locator blank;
Two) planing operation master subtracts the upper and lower surface of locator blank thickness, stays 0.5 millimeter of fine finishining amount;
Three) with reference to the main appearance and size subtracting locator, milling is main subtracts the profile of the positioning sleeve (1) of locator, united dish (2) and fork ear (3), united dish (2) and positioning sleeve (1) are for square, and appearance and size stays grinding amount 0.5 millimeter; United dish (2) is concentric with positioning sleeve (1); Fork ear (3) appearance and size and gauge all stay 3 ~ 5 millimeters of molybdenum filament processing capacities;
Four) the square external profile surface of grinding positioning sleeve (1) and united dish (2), square adjacent two external surfaces are made to be harmonious vertically, square relative two external surfaces are parallel to each other, the distance of square relative two external surfaces is measure-alike, and the square central of positioning sleeve (1) and united dish (2) overlaps;
Five) using a square summit of united dish (2) as datum mark, build coordinate establishment master and subtract the profile of the fork ear (3) of locator and the processing molybdenum filament cutting process of locating slot (8), the profile of fork ear (3) is cut to final size, the interior shape of locating slot (8) is cut to final size, and 0.5 millimeter of fine ginding processing capacity is all stayed in the thickness above and below of fork ear (3);
Six) on molybdenum wire cutting machine bed, according to the reference vertex centering of united dish (2), with the mill faced surface of positioning sleeve (1) location, the profile of ear (3) is pitched to final size with the molybdenum filament cutting process processing of establishment;
Seven) on molybdenum wire cutting machine bed, again according to the reference vertex centering of united dish (2), locate with the mill faced surface of positioning sleeve (1), the interior shape of the locating slot (8) of ear (3) is pitched to final size with the molybdenum filament cutting process processing of establishment, the thickness above and below of processing fork ear (3), all stays 0.5 millimeter of fine ginding processing capacity;
Eight) to pitch the profile of ear (3) and locating slot (8) median plane for benchmark, the Excircle machining line of positioning sleeve (1) and united dish (2) is pulled; Fix by scribe fiducials centering in numerically controlled lathe, the cylindrical of reference processing line turning positioning sleeve (1) and the cylindrical of united dish (2) are to final size; The endoporus of turning positioning sleeve (1), stays 0.5 millimeter of boring amount;
Nine) alignment tool plate 10 is prepared), specific features is: tool palette (10) is cuboid, the contour length size of tool palette (10) is greater than the maximum appearance and size 200 ~ 300 millimeters of fork ear (3), the width dimensions of tool palette (10) is greater than the maximum appearance and size 100 millimeters of fork ear (3), the notch of the locating slot (8) after the gauge of tool palette (10) and molybdenum filament cutting processing is measure-alike, and is interference fits tolerance dimension;
Ten) tool palette (10) is inserted in the locating slot (8) of fork ear (3), make tool palette (10) subtract locator with master and interfix;
11) after interfixing, tool palette (10) subtracts locator be placed on grinding machine workbench with main, be that datum level centering is fixed with the thickness face of tool palette (10), the upper surface of the thickness of grinding fork ear (3) and lower surface, make two faces of the thickness of fork ear (3) to the measure-alike of the median plane of locating slot (8) and meet design drawing dimensional requirement;
12) with reference to the endoporus of positioning sleeve (1), the profile of fork ear (3) and locating slot 8) median plane builds benchmark, draws the processing line of cursor hole (6) on fork ear (3) and locating hole (7);
13) after interfixing, tool palette (10) subtracts locator put on the workbench of digital-control boring-milling machine with main, be that datum level location is fixing with the thickness face of tool palette (10), make cursor hole (6) and locating hole (7) with reference to the endoporus center of positioning sleeve (1) and scribing by bench worker boring; To process cursor hole (6) and locating hole (7) for benchmark, boring makes installing hole (4) and the through hole (5) of positioning sleeve (1);
14) tool palette interfixed (10) is subtracted locator with master to decompose;
15) detect master and subtract each manufacturing dimension of locator, after meeting design drawing requirement, complete master and subtract locator manufacture.
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| CN201510016725.4A CN104589004B (en) | 2015-01-13 | 2015-01-13 | Master subtracts locator method of manufacturing technology |
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| CN106271447A (en) * | 2016-08-31 | 2017-01-04 | 中国航天科技集团公司烽火机械厂 | A kind of manufacture method trembling wheel |
| CN106270835A (en) * | 2016-08-31 | 2017-01-04 | 中国航天科技集团公司烽火机械厂 | A kind of manufacturing technology of journey length regulation support |
| CN110394531A (en) * | 2018-04-24 | 2019-11-01 | 兰州兰石重型装备股份有限公司 | A kind of certainly molten pipette tips of inner hole argonaut welding welding machine and its application method that exchanger tubes and tubesheets overlap connection |
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| CN112556541A (en) * | 2020-11-20 | 2021-03-26 | 昌河飞机工业（集团）有限责任公司 | Measuring tool and measuring and processing method for rotator fork lug bushing |
| CN114102068A (en) * | 2021-12-17 | 2022-03-01 | 江西洪都航空工业集团有限责任公司 | Method and die for machining support arm part with special-shaped structure |
| CN114102068B (en) * | 2021-12-17 | 2023-10-03 | 江西洪都航空工业集团有限责任公司 | Processing method and die for support arm part with special-shaped structure |
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