CN113894955B - Aircraft windshield drilling tool and manufacturing method thereof - Google Patents
Aircraft windshield drilling tool and manufacturing method thereof Download PDFInfo
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- CN113894955B CN113894955B CN202110995665.0A CN202110995665A CN113894955B CN 113894955 B CN113894955 B CN 113894955B CN 202110995665 A CN202110995665 A CN 202110995665A CN 113894955 B CN113894955 B CN 113894955B
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- male die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Insertion Pins And Rivets (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
A method for manufacturing a drilling tool for aircraft windshield glass includes the steps of selecting an original machine windshield glass detached from an aircraft as a windshield glass standard part, completing hole guiding sampling according to the position of an assembly hole on the windshield glass standard part, respectively machining a male die hole guiding hole and a female die hole guiding hole at corresponding positions of a male die and a female die, and then casting a fixed drilling guide sleeve in the male die hole guiding hole and the female die hole guiding hole. By the method for manufacturing the drilling tool for the aircraft windshield glass, technical support is provided for machining high-precision assembly holes on the windshield glass, and the aims of reducing repair cost and ensuring repair period are achieved.
Description
The invention relates to a manufacturing method of a drilling tool, in particular to a manufacturing method of a drilling tool suitable for an aircraft windshield glass.
Background
As shown in fig. 1, a windshield glass 1 of an aircraft, wherein a fitting hole 1-1 on the windshield glass 1 is processed by a special die and a drilling tool in the production process, and the dimensional accuracy and the position consistency are high, so that the windshield glass 1 processed by an original manufacturing plant has interchangeability.
When an aircraft is overhauled, the windshield glass 1 is a part which needs to be replaced, but because a repair shop does not have mass production conditions and special dies and tooling equipment, the consistency of the machining position of the assembly hole 1-1 on the newly replaced windshield glass 1 and the position of the assembly hole on the corresponding part of the original machine is difficult to ensure, if the original manufacturing shop is required to be required to machine, the repair period cannot be controlled, and the cost for required machining is high. In order to solve the problems, an aircraft repair shop develops a tool for drilling holes in an aircraft windshield, and meanwhile, an innovative design is required for a manufacturing method of the aircraft windshield drilling tool.
Disclosure of Invention
The invention provides a manufacturing method of an aircraft windshield glass drilling tool, which aims to provide technical support for machining high-precision assembly holes on windshield glass and achieve the purposes of reducing repair cost and ensuring repair period.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the manufacturing approach of a aircraft windshield drilling frock, it chooses the original machine windshield that is dismantled from the aircraft as the windshield standard piece, finish and draw the hole sample according to the assembly hole position on the windshield standard piece, process the male mould and draw the hole, female mould and draw the hole respectively on the male mould, female mould corresponding position, then pour and fix the drilling guide sleeve in the male mould and draw the hole, the female mould draws the hole, the concrete operation steps are as follows:
a. welding a female die frame and a male die frame to ensure that the radians of working faces of the female die frame and the male die frame are basically consistent with the radians of a windshield glass standard part, welding female die connecting lugs at the edges of the female die frame, and welding male die connecting lugs at the edges of the male die frame;
b. prefabricating positioning connecting holes on the female die connecting lugs and the male die connecting lugs, matching the positioning connecting holes on the male die connecting lugs and the female die connecting lugs through positioning connecting pins, connecting the female die frame and the male die frame together, additionally arranging an isolation bushing between the male die connecting lugs and the female die connecting lugs, and then carrying out annealing treatment;
c. corresponding to the position of the assembly hole on the windshield glass standard part, a female die guide hole and an assembly hole of the windshield glass compacting assembly are formed in the female die frame, a male die guide hole is formed in the male die frame, and the diameters of the female die guide hole and the male die guide hole are larger than the diameter of the assembly hole on the windshield glass standard part;
d. respectively coating glass fiber reinforced plastic on the outer surfaces of the female die frame and the male die frame and polishing the molded surface;
e. the method comprises the steps that a special pin for guiding holes penetrates through a male die guiding hole, an assembling hole of a windshield glass standard part and a female die guiding hole, a male die frame, the windshield glass standard part and a female die frame are connected in series, one end of the special pin for guiding holes is the same as the diameter of the assembling hole on the windshield glass standard part, a positioning interval protective sleeve is sleeved on the special pin for guiding holes, the positioning interval protective sleeve is positioned between the windshield glass standard part and the female die frame, a gap between the female die and the windshield glass standard part is 20mm, drilling guide sleeves are sleeved at two ends of the special pin for guiding holes, and annular gaps are formed between the drilling guide sleeves and the hole walls of the male die guiding hole and the female die guiding hole;
f. the windshield standard part is pressed and fixed through a pressing assembly penetrating through an assembly hole of a windshield pressing assembly on the female mold, then positioning connection pin holes of a female mold connection lug and a male mold connection lug are machined by adopting an alternating method, and a female mold frame and a male mold frame are connected together by replacing positioning connection pins;
g. respectively pouring epoxy resin adhesive in annular gaps between the drilling guide sleeve and the male die guide hole and between the drilling guide sleeve and the female die guide hole, so that the drilling guide sleeve is fixed in the male die guide hole or the female die guide hole;
h. and taking out the pin special for the pilot hole, and completing the manufacturing process of the aircraft windshield drilling tool after the coaxiality of the drilling guide sleeve and the windshield standard component assembly hole is detected to meet the requirement.
In the method for manufacturing the aircraft windshield drilling tool, in the step b, the adopted positioning connecting pin is a hollow positioning pin with an open slot.
In the step d, rust removal and phosphating treatment are carried out on the surfaces of the female die frame and the male die frame before glass fiber reinforced plastic is coated on the outer surfaces of the female die frame and the male die frame, and cork plugs or paraffin columns are plugged in the male die leading holes and the female die leading holes.
In the step e, a protective pad is sleeved on the special pin for hole guiding, and the protective pad is positioned between the male die and the windshield standard part.
In the above-mentioned aircraft windshield glass drilling frock's preparation method, in step f, the process of the location connection pinhole of female die engaging lug, male die engaging lug is processed to the alternating method is: firstly, assembling a female die frame, a windshield glass standard part and a male die frame together, penetrating positioning connecting pins into two prefabricated positioning connecting holes, after adjusting coaxiality of the female die guiding holes, the windshield glass standard part assembling holes and the male die guiding holes to meet set requirements, withdrawing one positioning connecting pin, reaming the prefabricated connecting holes by using a reamer, then penetrating a bushing into the holes, reaming the inner wall of the bushing by using the reamer, finally penetrating the positioning connecting pins, and after finishing processing one positioning connecting hole in each group of connecting lugs respectively, processing the other hole.
In the step f, the adopted windshield pressing assembly comprises a rotary handle, a pressing rod seat, a pressing head and an elastic pressing block; the rotary handle is arranged at the upper end of the pressing rod, and the pressing rod is provided with external threads; the compression bar seat is provided with a threaded hole, the compression bar is sleeved with the compression bar seat, and the compression bar seat form a screw rod nut transmission mechanism; the pressing head is fixed at the lower end of the pressing rod, and the elastic pressing block is embedded in the bottom surface of the pressing head.
The invention provides a manufacturing method of an aircraft windshield drilling tool, which mainly comprises the steps of completing hole guiding sampling according to the position of an assembly hole on a windshield standard part, respectively processing a male die guiding hole and a female die guiding hole at corresponding positions of a male die and a female die, and then casting and fixing a drilling guide sleeve in the male die guiding hole and the female die guiding hole, thereby ensuring the consistency of the windshield assembly hole formed under the guidance of the drilling guide sleeve and the assembly hole on the windshield standard part. Therefore, by the manufacturing method of the aircraft windshield drilling tool, technical support is provided for machining high-precision assembly holes on the windshield, and the aims of reducing repair cost and ensuring repair period are achieved.
Drawings
FIG. 1 is a schematic view of an aircraft windshield construction;
FIG. 2 is a schematic illustration of an aircraft windshield drilling tool;
FIG. 3 is a schematic view of the male mold structure in an aircraft windshield drilling tool;
FIG. 4 is a schematic diagram of a female mold structure in an aircraft windshield drilling tool;
FIG. 5 is a schematic diagram of the male and female mold assembly;
FIG. 6 is a schematic diagram of the assembly structure of the male mold connecting lug and the female mold connecting lug;
FIG. 7 is a schematic view of the cross-sectional structure A-A of FIG. 6;
FIG. 8 is a schematic view of a cast drill guide sleeve in a female die pilot hole;
FIG. 9 is a schematic view of a cast drill guide sleeve in a male die pilot hole;
FIG. 10 is a schematic view of the drill guide sleeve after casting in the male and female mold guide holes;
FIG. 11 is a schematic view of a windshield compression assembly compressing a windshield standard;
fig. 12 is a schematic view of a windshield press assembly.
The list of the reference numerals in the drawings is:
1. a windshield glass, 1-1, and an assembly hole; 2. the male die comprises a male die, 2-1, a male die leading hole, 2-2 and a male die connecting lug; 3. 3-1 parts of female dies, 3-2 parts of female die guide holes, 3-3 parts of female die connecting lugs and 3-3 parts of windshield glass compacting assembly holes; 4. an isolation bushing; 5. positioning a connecting pin, 5-1, and an open slot; 6. a pin special for hole guiding; 7. drilling a guide sleeve; 8. an epoxy adhesive; 9. positioning a spacing protective sleeve; 10. a protective pad; 11. 11-1 parts of windshield glass compression components, 11-2 parts of rotary handles, 11-3 parts of compression bars, 11-3 parts of compression bar seats, 1-4 parts of compression bars, 11-5 parts of compression heads and elastic pressing blocks.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Referring to fig. 1, 2, 3 and 4, the aircraft windshield drilling tool comprises a male die 2 and a female die 3; the outer cambered surface of the male die 2 is attached to the inner cambered surface of the windshield glass 1 standard component, a male die guiding hole 2-1 corresponding to the position of the assembly hole 1-1 on the windshield glass 1 standard component is arranged on the periphery of the male die 2, and a male die connecting lug 2-2 is welded on the outer side of the male die 2; the inner cambered surface of the female die 3 and the outer cambered surface of the standard part of the windshield glass 1 are concentric cambered surfaces, the curvature radius of the inner cambered surface of the female die 3 is larger than that of the outer cambered surface of the standard part of the windshield glass 1, female die guiding holes 3-1 corresponding to the positions of the assembly holes 1-1 on the standard part of the windshield glass 1 are formed in the periphery of the female die 3, and female die connecting lugs 3-2 corresponding to the positions of the male die connecting lugs 2-2 are welded on the outer side of the female die 3; drilling guide sleeves 7 are arranged in the male die guide holes 2-1 and the female die guide holes 3-1; when the aircraft windshield glass is drilled, the male die 2 and the female die 3 are assembled together through the positioning connecting pins 5 penetrating through the male die connecting lugs 2-2 and the female die connecting lugs 3-2, the spacer sleeve 4 is assembled between the female die connecting lugs 3-2 and the male die connecting lugs 2-2, the windshield glass workpiece is pressed on the male die 2, and the guiding function can be provided for a drilling tool through the female die guiding holes 3-2 on the upper side and the lower side of the workpiece and the drilling guiding sleeve 7 in the male die guiding holes 2-2.
Referring to fig. 2, 3 and 4, the male die 2 and the female die 3 of the drilling tool for the windshield glass of the aircraft are steel plate frames manufactured through a welding process, and glass fiber reinforced plastic coatings are coated on the inner surface and the outer surface of the steel plate frames of the male die 2 and the female die 3; the difference value between the curvature radius of the inner cambered surface of the female die 3 and the curvature radius of the outer cambered surface of the standard part of the windshield glass 1 is not less than 20mm.
Referring to fig. 11 and 12, the aircraft windshield drilling tool provided by the invention comprises a windshield pressing assembly 11, a windshield pressing assembly and a drilling assembly, wherein the windshield pressing assembly 11 comprises a rotary handle 11-1, a pressing rod 11-2, a pressing rod seat 11-3, a pressing head 11-4 and an elastic pressing block 11-5, the rotary handle 11-1 is arranged at the upper end of the pressing rod 11-2, the pressing rod 11-2 is provided with external threads, the pressing rod seat 11-3 is provided with threaded holes, the pressing rod 11-2 and the pressing rod seat 11-3 are sleeved with each other, a screw rod nut transmission mechanism is formed by the pressing head 11-4, the pressing head 11-4 is fixed at the lower end of the pressing rod 11-2, and the elastic pressing block 11-5 is embedded in the bottom surface of the pressing head 11-4. The invention relates to an aircraft windshield drilling tool, which is characterized in that a windshield compression assembly assembling hole 3-3 is arranged on the inner side of a female die guiding hole 3-1 on the periphery of a female die 3, and a windshield compression assembly 11 is matched with the windshield compression assembly assembling hole 3-3.
Referring to fig. 1 to 12, the method for manufacturing the aircraft windshield drilling tool of the invention selects an original aircraft windshield detached from an aircraft as a windshield 1 standard component (shown in fig. 1), completes hole guiding sampling according to the position of an assembly hole 1-1 on the windshield 1 standard component, respectively processes a male die guiding hole 2-1 and a female die guiding hole 3-1 on the corresponding positions of a male die 2 and a female die 3, and then casts an adhesive fixing drilling guide sleeve 7 in the male die guiding hole 2-1 and the female die guiding hole 3-1, and comprises the following specific operation steps:
a. welding a female die frame and a male die frame to enable the radian of working faces of the female die frame and the male die frame to be basically consistent with that of a standard part of the windshield glass 1, welding female die connecting lugs 3-2 at the edge of the female die frame (shown in figure 3), and welding male die connecting lugs 2-2 at the edge of the male die frame (shown in figure 2);
b. prefabricating positioning connection holes on the female die connection lug 3-2 and the male die connection lug 2-2, matching the positioning connection holes on the male die connection lug 2-2 and the female die connection lug 3-2 through positioning connection pins 5 (as shown in fig. 6 and 7, the positioning connection pins 5 are hollow positioning pins with open slots 5-1), connecting a female die frame and a male die frame together, installing an isolation bushing 4 between the female die connection lug 2-2 and the female die connection lug 3-2, and then performing annealing treatment;
c. corresponding to the position of an assembly hole 1-1 on a standard part of the windshield glass 1, a female die guiding hole 3-1 and an assembly hole 3-3 of a windshield glass compacting assembly are formed in a female die frame, a male die guiding hole 2-1 is formed in a male die frame, and the diameters of the female die guiding hole 3-1 and the male die guiding hole 2-1 are larger than the diameter of the assembly hole 1-1 on the standard part of the windshield glass 1;
d. derusting and phosphating the surfaces of the female die frame and the male die frame, filling cork or paraffin column in the male die guide holes 2-1 and 3-1, coating glass fiber reinforced plastics on the outer surfaces of the female die frame and the male die frame, and polishing the molded surfaces;
e. the special pin 6 for guiding holes passes through the guide holes 2-1 of the male mold and the assembly holes 1-1 and 3-1 of the standard part of the windshield glass 1, the male mold frame, the standard part of the windshield glass 1 and the female mold frame are connected in series, one end of the special pin 6 for guiding holes has the same diameter as the assembly holes 1-1 on the standard part of the windshield glass 1, the special pin 6 for guiding holes is sleeved with a positioning interval protective sleeve 9, the positioning interval protective sleeve 9 is positioned between the standard part of the windshield glass 1 and the female mold frame, the gap between the female mold 3 and the standard part of the windshield glass is 20mm, meanwhile, two ends of the special pin 6 for guiding holes are sleeved with drilling guide sleeves 7, annular gaps are formed between the drilling guide sleeves 7 and the walls of the guide holes 2-1 of the male mold and the guide holes 3-1 of the female mold, the special pin 6 for guiding holes are sleeved with protective pads 10, and the anti-skid pads 10 are positioned between the male mold 2 and the standard part of the windshield glass 1;
f. the standard part of the windshield glass 1 is pressed and fixed through a pressing component penetrating through a mounting hole 3-3 of a pressing component of the windshield glass on a female mold 3, then a positioning connecting pin hole of a female mold connecting lug 3-2 and a positioning connecting lug 2-2 is machined by adopting an alternating method, a female mold frame and a male mold frame are connected together by replacing a positioning connecting pin 5, and the process of machining the positioning connecting pin hole of the female mold connecting lug 3-2 and the positioning connecting pin hole of the male mold connecting lug 2-2 by adopting the alternating method is as follows: firstly, assembling a female die frame, a windshield glass 1 standard component and a male die frame together, penetrating positioning connecting pins 5 into two prefabricated positioning connecting holes, after adjusting coaxiality of a female die guiding hole 3-1, a windshield glass 1 standard component assembling hole 1-1 and a male die guiding hole 2-1 to meet a set requirement, withdrawing one positioning connecting pin 5, reaming the prefabricated connecting holes by using a reamer, penetrating a bushing into the holes, reaming the inner wall of the bushing by using the reamer, and finally penetrating the positioning connecting pins 5, and finishing machining one positioning connecting hole in each group of connecting lugs respectively, and then machining the other hole;
g. respectively pouring epoxy resin adhesive 8 in annular gaps between the drilling guide sleeve 7 and the hole walls of the male die guide hole 2-1 and the female die guide hole 3-1, so that the drilling guide sleeve 7 is fixed in the male die guide hole 2-1 or the female die guide hole 3-1;
h. and taking out the special pin 6 for guiding holes, and completing the manufacturing process of the aircraft windshield glass drilling tool after the coaxiality of the drilling guide sleeve 7 and the windshield glass 1 standard component assembly hole 1-1 is detected to meet the requirement.
Claims (5)
1. A manufacturing method of an aircraft windshield drilling tool is characterized by comprising the following steps of: the method comprises the steps of selecting an original machine windshield glass detached from an aircraft as a windshield glass (1) standard part, completing hole guiding sampling according to the position of an assembly hole (1-1) on the windshield glass (1) standard part, respectively processing a male die guiding hole (2-1) and a female die guiding hole (3-1) on corresponding positions of a male die (2) and a female die (3), and then pouring an adhesive fixing drilling guide sleeve (7) in the male die guiding hole (2-1) and the female die guiding hole (3-1), wherein the specific operation steps are as follows:
step a, welding a female die frame and a male die frame to enable the radian of working faces of the female die frame and the male die frame to be basically consistent with that of a standard part of the windshield glass (1), welding a female die connecting lug (3-2) at the edge of the female die frame, and welding a male die connecting lug (2-2) at the edge of the male die frame;
b, prefabricating positioning connecting holes on the female die connecting lug (3-2) and the male die connecting lug (2-2), matching the positioning connecting holes on the male die connecting lug (2-2) and the female die connecting lug (3-2) through positioning connecting pins (5), connecting the female die frame and the male die frame together, additionally arranging an isolation bushing (4) between the female die frame and the male die connecting lug (2-2) and between the female die frame and the female die connecting lug (3-2), and then annealing;
step c, corresponding to the position of an assembly hole (1-1) on a standard part of the windshield glass (1), forming a female die guide hole (3-1) and an assembly hole (3-3) of a windshield glass pressing assembly on a female die frame, forming a male die guide hole (2-1) on a male die frame, wherein the diameters of the female die guide hole (3-1) and the male die guide hole (2-1) are larger than the diameter of the assembly hole (1-1) on the standard part of the windshield glass (1);
step d, respectively coating glass fiber reinforced plastic on the outer surfaces of the female die frame and the male die frame and polishing the molded surface;
step e, penetrating a guide hole special pin (6) through a male die guide hole (2-1) and an assembly hole (1-1) and a female die guide hole (3-1) of a windshield glass (1) standard part, stringing a male die frame, the windshield glass (1) standard part and the female die frame together, wherein the diameter of one end of the guide hole special pin (6) is the same as that of the assembly hole (1-1) on the windshield glass (1) standard part, a positioning interval protective sleeve (9) is sleeved on the guide hole special pin (6), the positioning interval protective sleeve (9) is positioned between the windshield glass (1) standard part and the female die frame, so that the gap between the female die (3) and the windshield glass standard part is 20mm, and meanwhile, drilling guide sleeves (7) are sleeved at two ends of the guide hole special pin (6), and annular gaps are formed between the drilling guide sleeves (7) and the guide hole (2-1) and the hole wall of the female die guide hole (3-1);
f, pressing and fixing a standard part of the windshield glass (1) through a windshield glass pressing assembly (11) penetrating through an assembly hole (3-3) of the windshield glass pressing assembly on the female die (3), machining positioning connection pin holes of the female die connection lug (3-2) and the male die connection lug (2-2) by adopting an alternating method, and replacing a positioning connection pin (5) to connect the female die frame and the male die frame together; the process for processing the positioning connecting pin holes of the female die connecting lug (3-2) and the male die connecting lug (2-2) by the alternating method comprises the following steps: firstly, assembling a female die frame, a standard part of a windshield glass (1) and a male die frame together, penetrating positioning connecting pins (5) into two prefabricated positioning connecting holes, adjusting coaxiality of the female die guiding holes (3-1), the standard part assembling holes (1-1) of the windshield glass (1) and the male die guiding holes (2-1) to meet the set requirement, withdrawing one positioning connecting pin (5), reaming the prefabricated connecting holes by using a reamer, penetrating a bushing into the holes, reaming the inner wall of the bushing by using the reamer, penetrating the positioning connecting pins (5), and machining the other hole after finishing machining one positioning connecting hole in each group of connecting lugs respectively;
step g, respectively pouring epoxy resin adhesive (8) in annular gaps between the drilling guide sleeve (7) and the hole walls of the male die guide hole (2-1) and the female die guide hole (3-1), so that the drilling guide sleeve (7) is fixed in the male die guide hole (2-1) or the female die guide hole (3-1);
and h, taking out the special pin (6) for guiding holes, and completing the manufacturing process of the aircraft windshield drilling tool after the coaxiality of the drilling guide sleeve (7) and the windshield glass (1) standard component assembly hole (1-1) is detected to meet the requirement.
2. The method for manufacturing the aircraft windshield drilling tool according to claim 1, wherein the method comprises the following steps: in the step b, the adopted positioning connecting pin (5) is a hollow positioning pin with an open slot (5-1).
3. The method for manufacturing the aircraft windshield drilling tool according to claim 1, wherein the method comprises the following steps: in the step d, rust removal and phosphating treatment are carried out on the surfaces of the female die frame and the male die frame before coating glass fiber reinforced plastic on the outer surfaces of the female die frame and the male die frame, and cork or paraffin columns are filled in the male die guide holes (2-1) and the female die guide holes (3-1).
4. The method for manufacturing the aircraft windshield drilling tool according to claim 1, wherein the method comprises the following steps: in the step e, a protective pad (10) is sleeved on the pin (6) special for hole guiding, and the protective pad (10) is positioned between the male die (2) and the standard part of the windshield glass (1).
5. The method for manufacturing the aircraft windshield drilling tool according to claim 1, wherein the method comprises the following steps: in the step f, the adopted windshield glass compacting assembly (11) comprises a rotary handle (11-1), a pressing rod (11-2), a pressing rod seat (11-3), a pressing head (11-4) and an elastic pressing block (11-5), wherein the rotary handle (11-1) is arranged at the upper end of the pressing rod (11-2), the pressing rod (11-2) is provided with external threads, the pressing rod seat (11-3) is provided with a threaded hole, the pressing rod (11-2) and the pressing rod seat (11-3) are sleeved with each other, a screw rod nut transmission mechanism is formed by the pressing rod and the pressing head, the pressing head (11-4) is fixed at the lower end of the pressing rod (11-2), and the elastic pressing block (11-5) is embedded in the bottom surface of the pressing head (11-4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995665.0A CN113894955B (en) | 2021-08-27 | 2021-08-27 | Aircraft windshield drilling tool and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995665.0A CN113894955B (en) | 2021-08-27 | 2021-08-27 | Aircraft windshield drilling tool and manufacturing method thereof |
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| CN113894955A CN113894955A (en) | 2022-01-07 |
| CN113894955B true CN113894955B (en) | 2023-09-22 |
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| CN101786244A (en) * | 2010-03-19 | 2010-07-28 | 四川大学 | Arc-shaped windshield glass drilling tool |
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| CN109866278A (en) * | 2019-04-22 | 2019-06-11 | 俞杏正 | A kind of hand-held glass epoxy perforating press |
| CN212312387U (en) * | 2020-08-27 | 2021-01-08 | 西安北方光电科技防务有限公司 | Cambered surface drilling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI721368B (en) * | 2018-04-17 | 2021-03-11 | 日商岡本硝子股份有限公司 | Mold for molding glass optical parts and method for manufacturing glass optical parts using the mold |
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2021
- 2021-08-27 CN CN202110995665.0A patent/CN113894955B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786244A (en) * | 2010-03-19 | 2010-07-28 | 四川大学 | Arc-shaped windshield glass drilling tool |
| CN205685564U (en) * | 2016-06-15 | 2016-11-16 | 福建省神安建材有限公司 | A kind of building glass punching auxiliary positioning mechanism |
| CN207310273U (en) * | 2017-08-25 | 2018-05-04 | 中国人民解放军第五七二一工厂 | A kind of glass system hole positioning device |
| CN108278950A (en) * | 2018-01-22 | 2018-07-13 | 中国人民解放军第五七二工厂 | A kind of aircraft windshield assembly adjusting apparatus and method of adjustment |
| CN109866278A (en) * | 2019-04-22 | 2019-06-11 | 俞杏正 | A kind of hand-held glass epoxy perforating press |
| CN212312387U (en) * | 2020-08-27 | 2021-01-08 | 西安北方光电科技防务有限公司 | Cambered surface drilling device |
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| CN113894955A (en) | 2022-01-07 |
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