CN104400124A - Reaming method for axially-shielded coaxial double holes and special reamer - Google Patents
Reaming method for axially-shielded coaxial double holes and special reamer Download PDFInfo
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- CN104400124A CN104400124A CN201410609896.3A CN201410609896A CN104400124A CN 104400124 A CN104400124 A CN 104400124A CN 201410609896 A CN201410609896 A CN 201410609896A CN 104400124 A CN104400124 A CN 104400124A
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Abstract
The invention belongs to the machining technology, and relates to an improvement of a reaming method for axially-shielded coaxial double holes and a special reamer. The reaming method comprises the following steps of reaming a second to-be-machined hole (6); reaming a first to-be-machined hole (4). A front guiding reamer provided by the invention is characterized in that a front guiding pin (11) is arranged on the front end of a main cutting blade (9). A rear guiding reamer provided by the invention is characterized in that a rear guiding pin (14) is arranged between a cutting blade (12) and a knife handle (13). According to the reaming method for the axially-shielded coaxial double holes and the special reamer, the situation that the second to-be-machined hole 6 is reamed as an elliptical hole or an inclined hole can be prevented, and the reamed second to-be-machined hole 6 is prevented from being damaged in the process of machining the first to-be-machined hole 4, therefore the coaxiality of the first to-be-machined hole and the second to-be-machined hole is guaranteed.
Description
Technical field
The invention belongs to Machining Technology, relate to the improvement to the reaming method that axially there is the coaxial diplopore blocked and special reamer.
Background technology
Aircraft often has the coaxial double-pore structure axially existing and block, the coaxial diplopore of this structure needs to carry out ream machining.Fig. 1 is a kind of schematic diagram that axially there is the coaxial double-pore structure blocked of aircraft, part to be processed is by base plate 1, the first stud 2 be from left to right arranged in order, second stud 3, 3rd stud 5 and the 4th stud 7 connect to form, first stud 2, second stud 3, 3rd stud 5 is connected for overall with the lower end of the 4th stud 7 with base plate 1 is vertical, second stud 3 has the first processed hole 4, 3rd stud 5 has the second processed hole 6, 4th stud 7 there is fabrication hole 8, first processed hole 4 and the second processed hole 6 coaxial, the aperture in the first processed hole 4 and the second processed hole 6 is D, within the projection of the second processed hole 6 on the 4th stud 7 left surface is positioned at the circumference of fabrication hole 8, the spacing of the first stud 2 and the second stud 3 is L1, the wall thickness of the second stud 3 is s1, the spacing of the second stud 3 and the 3rd stud 5 is L2, the wall thickness of the 3rd stud 5 is s2.Current reaming method is: adopt common standard reamer, processing the second processed hole 6; Then adopt lengthened reamer, process the first processed hole 4 through the second processed hole 6 after reaming.Its shortcoming is: the first, easily occur elliptical aperture or inclined hole when processing the second processed hole 6; The second, when processing the first processed hole 4, easily damage is caused to the second processed hole 6 after reaming, cause the second processed hole 6 overproof; Three, the first processed hole and the second processed hole can not ensure coaxially.
Summary of the invention
The object of the invention is: the axis proposing to improve exists reaming method and the special reamer of the coaxial diplopore blocked, to prevent the second processed hole 6 from occurring elliptical aperture or inclined hole; Avoid when processing the first processed hole 4, damage is caused to the second processed hole 6 after reaming; Ensure the axiality in the first processed hole and the second processed hole.
Technical scheme of the present invention is: the reaming method that axially there is the coaxial diplopore blocked, part to be processed is by base plate 1, the first stud 2 be from left to right arranged in order, second stud 3, 3rd stud 5 and the 4th stud 7 connect to form, first stud 2, second stud 3, 3rd stud 5 is connected for overall with the lower end of the 4th stud 7 with base plate 1 is vertical, second stud 3 has the first processed hole 4, 3rd stud 5 has the second processed hole 6, 4th stud 7 there is fabrication hole 8, first processed hole 4 and the second processed hole 6 coaxial, the aperture in the first processed hole 4 and the second processed hole 6 is D, within the projection of the second processed hole 6 on the 4th stud 7 left surface is positioned at the circumference of fabrication hole 8, the spacing of the first stud 2 and the second stud 3 is L1, the wall thickness of the second stud 3 is s1, the spacing of the second stud 3 and the 3rd stud 5 is L2, the wall thickness of the 3rd stud 5 is s2, it is characterized in that: the step of fraising is as follows:
1, carry out the fraising processing in the second processed hole 6: before adopting, guide reamer, by front directing pin 11 through after fabrication hole 8 and the second processed hole 6, insert the location guiding reamer before realizing in the first processed hole 4, carry out the fraising processing in the second processed hole 6;
2, the fraising processing in the first processed hole 4 is carried out: after employing, guide reamer, by cutting edge through the right side arriving the first processed hole 4 after fabrication hole 8, now, directing pin 14 enters in the second processed hole 6 and realizes location, carries out the fraising processing in the first processed hole 4.
Reamer is guided for before the coaxial diplopore fraising that axially existence as described above is blocked, comprise a standard reamer with main cutting edge 9 and front cutting edge 10, the interface of main cutting edge 9 and front cutting edge 10 is plane M, it is characterized in that: have a front directing pin 11 in the front end of main cutting edge 9, the aperture D matched in clearance in the external diameter of front directing pin 11 and the first processed hole 4, the length of front directing pin 11 is L3, the length of main cutting edge 9 is L4, L3 > s1+L2+s2, L4 < L2, L3+L4 < L1+L2.
For the rear guiding reamer that axially there is the coaxial diplopore fraising of blocking as described above, comprise a standard reamer with main cutting edge 15, front cutting edge 12 and handle of a knife 13, the interface of main cutting edge 15 and front cutting edge 12 is plane N; It is characterized in that: directing pin 14 have between front cutting edge 12 and handle of a knife 13 after, the diameter of rear directing pin 14 coordinates through the aperture small―gap suture after processing that reams with the second processed hole 6, the length of reamer cutting edge is L6, the length that pair cuts sword is L7, the length of rear directing pin 14 is L5, L5+L6+L7 < L1+s1+L2+s2, L5 > s2, L6 > s1 and L6 < L2.
Advantage of the present invention is: the axis proposing improvement exists reaming method and the special reamer of the coaxial diplopore blocked, and can prevent the second processed hole 6 from occurring elliptical aperture or inclined hole; Avoid when processing the first processed hole 4, damage is caused to the second processed hole 6 after reaming; Ensure that the axiality in the first processed hole and the second processed hole.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram that axially there is the coaxial double-pore structure blocked of aircraft.
Fig. 2 is the structural representation of the front guiding reamer in the second processed hole on part shown in manuscript 1.
Fig. 3 is the structural representation of the rear guiding reamer in the first processed hole on part shown in manuscript 1.
Detailed description of the invention
Below the present invention is described in further details.See Fig. 1 to Fig. 3, axially there is the reaming method of the coaxial diplopore blocked, part to be processed is by base plate 1, the first stud 2 be from left to right arranged in order, second stud 3, 3rd stud 5 and the 4th stud 7 connect to form, first stud 2, second stud 3, 3rd stud 5 is connected for overall with the lower end of the 4th stud 7 with base plate 1 is vertical, second stud 3 has the first processed hole 4, 3rd stud 5 has the second processed hole 6, 4th stud 7 there is fabrication hole 8, first processed hole 4 and the second processed hole 6 coaxial, the aperture in the first processed hole 4 and the second processed hole 6 is D, within the projection of the second processed hole 6 on the 4th stud 7 left surface is positioned at the circumference of fabrication hole 8, the spacing of the first stud 2 and the second stud 3 is L1, the wall thickness of the second stud 3 is s1, the spacing of the second stud 3 and the 3rd stud 5 is L2, the wall thickness of the 3rd stud 5 is s2, it is characterized in that: the step of fraising is as follows:
1, carry out the fraising processing in the second processed hole 6: before adopting, guide reamer, by front directing pin 11 through after fabrication hole 8 and the second processed hole 6, insert the location guiding reamer before realizing in the first processed hole 4, carry out the fraising processing in the second processed hole 6;
2, the fraising processing in the first processed hole 4 is carried out: after employing, guide reamer, by cutting edge through the right side arriving the first processed hole 4 after fabrication hole 8, now, directing pin 14 enters in the second processed hole 6 and realizes location, carries out the fraising processing in the first processed hole 4.
Reamer is guided for before the coaxial diplopore fraising that axially existence as described above is blocked, comprise a standard reamer with main cutting edge 9 and front cutting edge 10, the interface of main cutting edge 9 and front cutting edge 10 is plane M, it is characterized in that: have a front directing pin 11 in the front end of main cutting edge 9, the aperture D matched in clearance in the external diameter of front directing pin 11 and the first processed hole 4, the length of front directing pin 11 is L3, the length of main cutting edge 9 is L4, L3 > s1+L2+s2, L4 < L2, L3+L4 < L1+L2.
The effect of regulation L3 > s1+L2+s2 is, before ensureing, directing pin 11 can arrive the first processed hole 4 through fabrication hole 8 and the second processed hole 6 and realize location; The effect of regulation L4 < L2 is, avoids main cutting edge 9 to be worked into the first processed hole 4; The effect of regulation L3+L4 < L1+L2 is, ensures that front cutting edge 10 fully can be worked into the second processed hole 6, and prevents front directing pin 11 and the first stud 2 from interfering.
For the rear guiding reamer that axially there is the coaxial diplopore fraising of blocking as described above, comprise a standard reamer with main cutting edge 15, front cutting edge 12 and handle of a knife 13, the interface of main cutting edge 15 and front cutting edge 12 is plane N; It is characterized in that: directing pin 14 have between front cutting edge 12 and handle of a knife 13 after, the diameter of rear directing pin 14 coordinates through the aperture small―gap suture after processing that reams with the second processed hole 6, the length of reamer cutting edge is L6, the length that pair cuts sword is L7, the length of rear directing pin 14 is L5, L5+L6+L7 < L1+s1+L2+s2, L5 > s2, L6 > s1 and L6 < L2.
The effect of regulation L5+L6+L7 < L1+s1+L2+s2 is, avoids main cutting edge 15 and the first stud 2 to interfere; The effect of regulation L5 > s2 is, after ensureing, directing pin 14 passes in the after processing second processed hole 6 of reaming and realizes location; Regulation L6 > s1 and the effect of L6 < L2 ensure that front cutting edge 12 fully can be worked into the first processed hole 4, and avoid front cutting edge 12 to cause damage to the second processed hole 6 after fraising processing.
Embodiment 1
As a kind of schematic diagram that axially there is the coaxial double-pore structure blocked of Fig. 1 aircraft, wherein, L1=53.8mm, s1=10mm, L2=55mm, s2=10mm, D=Φ 29.9mm, the hole dimension after processing is Φ 30H7.
Part as shown in Fig. 2 manuscript 1 guides the structural representation of reamer before second processed hole, wherein L3=80mm, L4=25mm.
The structural representation of the rear guiding reamer in the first processed hole on part as shown in Fig. 3 manuscript 1, wherein L5=80mm, L6=50mm, L7=10mm.
Carry out the fraising processing in the second processed hole 6: before adopting, guide reamer, by front directing pin 11 through after fabrication hole 8 and the second processed hole 6, insert the location guiding reamer before realizing in the first processed hole 4, carry out the fraising processing in the second processed hole 6, front guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L3=80 > s1+L2+s2=75, L4=25 < L2=55, L3+L4=105 < L1+L2=108.8.
Carry out the fraising processing in the first processed hole 4: after employing, guide reamer, by cutting edge through the right side arriving the first processed hole 4 after fabrication hole 8, now, directing pin 14 enters in the second processed hole 6 and realizes location, carry out the fraising processing in the first processed hole 4, rear guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L5+L6+L7=140 < L1+s1+L2+s2=128.8, L5=80 > s2=10, L6=50 > s1=10 and L6=50 < L2=55.
Embodiment 2
As a kind of schematic diagram that axially there is the coaxial double-pore structure blocked of Fig. 1 aircraft, wherein, L1=60mm, s1=10mm, L2=70mm, s2=10mm, D=Φ 34.9mm, the hole dimension after processing is Φ 35H7.
Part as shown in Fig. 2 manuscript 1 guides the structural representation of reamer before second processed hole, wherein L3=95mm, L4=30mm.
The structural representation of the rear guiding reamer in the first processed hole on part as shown in Fig. 3 manuscript 1, wherein L5=50mm, L6=60mm, L7=20mm.
Carry out the fraising processing in the second processed hole 6: before adopting, guide reamer, by front directing pin 11 through after fabrication hole 8 and the second processed hole 6, insert the location guiding reamer before realizing in the first processed hole 4, carry out the fraising processing in the second processed hole 6, front guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L3=95 > s1+L2+s2=90, L4=30 < L2=70, L3+L4=125 < L1+L2=130.
Carry out the fraising processing in the first processed hole 4: after employing, guide reamer, by cutting edge through the right side arriving the first processed hole 4 after fabrication hole 8, now, directing pin 14 enters in the second processed hole 6 and realizes location, carry out the fraising processing in the first processed hole 4, rear guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L5+L6+L7=130 < L1+s1+L2+s2=150, L5=50 > s2=10, L6=60 > s1=10 and L6=60 < L2=70.
Embodiment 3
As a kind of schematic diagram that axially there is the coaxial double-pore structure blocked of Fig. 1 aircraft, wherein, L1=30mm, s1=5mm, L2=45mm, s2=5mm, D=Φ 9.9mm, the hole dimension after processing is Φ 10H7.
Part as shown in Fig. 2 manuscript 1 guides the structural representation of reamer before second processed hole, wherein L3=60mm, L4=10mm.
The structural representation of the rear guiding reamer in the first processed hole on part as shown in Fig. 3 manuscript 1, wherein L5=45mm, L6=20mm, L7=10mm.
Carry out the fraising processing in the second processed hole 6: before adopting, guide reamer, by front directing pin 11 through after fabrication hole 8 and the second processed hole 6, insert the location guiding reamer before realizing in the first processed hole 4, carry out the fraising processing in the second processed hole 6, front guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L3=60 > s1+L2+s2=55, L4=10 < L2=45, L3+L4=70 < L1+L2=75.
Carry out the fraising processing in the first processed hole 4: after employing, guide reamer, by cutting edge through the right side arriving the first processed hole 4 after fabrication hole 8, now, directing pin 14 enters in the second processed hole 6 and realizes location, carry out the fraising processing in the first processed hole 4, rear guiding reamer and axially to there is the coaxial double-pore structure size relationship blocked as follows: L5+L6+L7=75 < L1+s1+L2+s2=85, L5=45 > s2=5, L6=20 > s1=5 and L6=20 < L2=45.
Claims (3)
1. axially there is the reaming method of the coaxial diplopore blocked, part to be processed is by base plate (1), the first stud (2) be from left to right arranged in order, second stud (3), 3rd stud (5) and the 4th stud (7) connect to form, first stud (2), second stud (3), 3rd stud (5) is connected for overall with the lower end of the 4th stud (7) with base plate (1) is vertical, second stud (3) has the first processed hole (4), 3rd stud (5) has the second processed hole (6), 4th stud (7) there is fabrication hole (8), first processed hole (4) and the second processed hole (6) are coaxially, the aperture in the first processed hole (4) and the second processed hole (6) is D, within the projection of the second processed hole (6) on the 4th stud (7) left surface is positioned at the circumference of fabrication hole (8), the spacing of the first stud (2) and the second stud (3) is L1, the wall thickness of the second stud (3) is s1, the spacing of the second stud (3) and the 3rd stud (5) is L2, the wall thickness of the 3rd stud (5) is s2, it is characterized in that: the step of fraising is as follows:
1.1, the fraising processing in the second processed hole (6) is carried out: before adopting, guide reamer, by front directing pin (11) through after fabrication hole (8) and the second processed hole (6), insert the location guiding reamer before realizing in the first processed hole (4), carry out the fraising processing in the second processed hole (6);
1.2, the fraising processing in the first processed hole (4) is carried out: after employing, guide reamer, cutting edge is arrived afterwards the right side in the first processed hole (4) through fabrication hole (8), now, directing pin (14) enters in the second processed hole (6) and realizes location, carries out the fraising processing in the first processed hole (4).
2. guide reamer for axially existing as claimed in claim 1 before the coaxial diplopore blocked reams, comprise a standard reamer with main cutting edge (9) and front cutting edge (10), the interface of main cutting edge (9) and front cutting edge (10) is plane M, it is characterized in that: have a front directing pin (11) in the front end of main cutting edge (9), the external diameter of front directing pin (11) and the aperture D matched in clearance in the first processed hole (4), the length of front directing pin (11) is L3, the length of main cutting edge (9) is L4, L3 > s1+L2+s2, L4 < L2, L3+L4 < L1+L2.
3. for axially there is the rear guiding reamer of the coaxial diplopore fraising of blocking as claimed in claim 1, comprise a standard reamer with main cutting edge (15), front cutting edge (12) and handle of a knife (13), the interface of main cutting edge (15) and front cutting edge (12) is plane N; It is characterized in that: directing pin (14) have between front cutting edge (12) and handle of a knife (13) after, the diameter of rear directing pin (14) coordinates through the aperture small―gap suture after processing that reams with the second processed hole (6), main length of cutting sword cut by reamer is L6, the length that pair cuts sword is L7, the length of rear directing pin (14) is L5, L5+L6+L7 < L1+s1+L2+s2, L5 > s2, L6 > s1 and L6 < L2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609896.3A CN104400124B (en) | 2014-11-03 | 2014-11-03 | Axially there is reaming method and the special reamer of the coaxial diplopore blocked |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609896.3A CN104400124B (en) | 2014-11-03 | 2014-11-03 | Axially there is reaming method and the special reamer of the coaxial diplopore blocked |
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| Publication Number | Publication Date |
|---|---|
| CN104400124A true CN104400124A (en) | 2015-03-11 |
| CN104400124B CN104400124B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410609896.3A Active CN104400124B (en) | 2014-11-03 | 2014-11-03 | Axially there is reaming method and the special reamer of the coaxial diplopore blocked |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252166A (en) * | 2016-08-09 | 2016-12-21 | 河南森源电气股份有限公司 | A kind of chopper mounting angle plate and processing method thereof and chopper |
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| CN201524847U (en) * | 2009-10-10 | 2010-07-14 | 沈阳飞机工业（集团）有限公司 | Welded carbide-tipped reamer for processing titanium alloy |
| CN201783709U (en) * | 2010-03-16 | 2011-04-06 | 沈阳飞机工业（集团）有限公司 | Combined reamer for aluminum bronze bushing holes after processing and assembly |
| CN201889549U (en) * | 2010-11-18 | 2011-07-06 | 重庆潍柴发动机厂 | Composite reamer |
| US20130004253A1 (en) * | 2011-07-02 | 2013-01-03 | Kennametal, Inc. | Drilling/reaming tool |
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2014
- 2014-11-03 CN CN201410609896.3A patent/CN104400124B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201524847U (en) * | 2009-10-10 | 2010-07-14 | 沈阳飞机工业（集团）有限公司 | Welded carbide-tipped reamer for processing titanium alloy |
| CN201783709U (en) * | 2010-03-16 | 2011-04-06 | 沈阳飞机工业（集团）有限公司 | Combined reamer for aluminum bronze bushing holes after processing and assembly |
| CN201889549U (en) * | 2010-11-18 | 2011-07-06 | 重庆潍柴发动机厂 | Composite reamer |
| US20130004253A1 (en) * | 2011-07-02 | 2013-01-03 | Kennametal, Inc. | Drilling/reaming tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106252166A (en) * | 2016-08-09 | 2016-12-21 | 河南森源电气股份有限公司 | A kind of chopper mounting angle plate and processing method thereof and chopper |
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| CN104400124B (en) | 2016-08-24 |
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Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province Patentee after: Shaanxi Aircraft Industry Co.,Ltd. Address before: 723213 box 34, Hanzhoung, Shaanxi Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd. |
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