CN106975770B - A kind of processing method of gear inclined hole - Google Patents
A kind of processing method of gear inclined hole Download PDFInfo
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- CN106975770B CN106975770B CN201710382811.6A CN201710382811A CN106975770B CN 106975770 B CN106975770 B CN 106975770B CN 201710382811 A CN201710382811 A CN 201710382811A CN 106975770 B CN106975770 B CN 106975770B
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- drilling rod
- inclined hole
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- drill bit
- drilling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/14—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for very small holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of machining tools of gear inclined hole, the machining tool of the gear inclined hole includes drilling rod, drill chuck and drill bit, one end of the drill chuck is provided with taper shank, the other end of the drill chuck is provided with installation folder, the drill chuck is to be detachably connected with drill bit, the drilling rod includes installing drilling rod head, the first drilling rod and the second drilling rod, and the cross section of first drilling rod and the second drilling rod is circle, and the diameter of first drilling rod is greater than the diameter of the second drilling rod.The invention also discloses a kind of gear inclined hole forming methods, comprising the following steps: one, scribing line；Two, the installation of bent plate and the fixation of gear；Three, the installation of drilling rod；Four, the processing of gear inclined hole.The configuration of the present invention is simple, design rationally, simple and convenient processing method and using effect it is good, easy to install and disassemble, and process time is short, processing cost is low, improves the processing efficiency of gear inclined hole, has a wide range of applications and promotional value is used.
Description
Technical field
The invention belongs to gear inclined hole machined technical fields, machining tool and processing more particularly, to a kind of gear inclined hole
Method.
Background technique
High-end traveling box gear is as shown in Fig. 2, be provided with gear inclined hole 5, screw mounting hole 7 and square on the gear 4
Shape keyway 6, the gear inclined hole 5 are communicated with the screw mounting hole 7, and the gear inclined hole 5 and the angle of horizontal direction are
20 °, wherein gear inclined hole 5 is 5 oil filler point of Φ, because 5 oil filler point of Φ is among the inner hole of gear, directly in Boring machine processing gear
Inclined hole is difficult to realize, and not only process difficulty operates, but also process time consumption is more, thus to processing bring it is comparable not
Just, currently, if processing gear inclined hole, it is necessary to use universal milling head, the price of universal milling head is more expensive, but also needs
With interior cold numerically-controlled machine tool processing, cost is very high.Therefore, nowadays lack a kind of simple structure and reasonable design, operation just
The machining tool and processing method of prompt gear inclined hole, it is easy to install and disassemble, and process time is short, processing cost is low, improves
The processing efficiency of gear inclined hole.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of gear inclined hole
Machining tool, simple structure and reasonable design, simple and convenient processing method and using effect are good, easy to install and disassemble, and when processing
Between it is short, processing cost is low, improves the processing efficiency of gear inclined hole, have a wide range of applications and promotional value use.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of machining tool of gear inclined hole, it is special
Sign is: including the drilling rod connecting with boring machine, the drill chuck connecting with drilling rod and the drill bit being mounted on drill chuck, the drill point
One end of head is provided with the taper shank being threaded through in drilling rod, and the other end of the drill chuck is provided with the installation folder for drill bit installation,
The installation folder is to be detachably connected with drill bit, and the drilling rod includes that the drilling rod head being mounted on the boring machine and drilling rod head connect
The cross section of the first drilling rod connect and the second drilling rod connecting with the first drilling rod, first drilling rod and the second drilling rod is circle
Shape, the diameter of first drilling rod are greater than the diameter of the second drilling rod, and the diameter of second drilling rod is less than the spacing of rectangle keyway.
A kind of machining tool of above-mentioned gear inclined hole, it is characterised in that: centered on the drill bit bore, unit-type drill head or add
Long drill bit；
The diameter of first drilling rod is gradually increased by drilling rod head to the second drilling rod direction.
The machining tool of above-mentioned a kind of gear inclined hole, it is characterised in that: the drilling rod head, the first drilling rod and the second drilling rod
It is integrally formed, the length of first drilling rod is not less than 270mm, and the length of second drilling rod is not less than 340mm.
A kind of machining tool of above-mentioned gear inclined hole, it is characterised in that: the diameter of first drilling rod be 69mm~
80mm, the diameter of second drilling rod are 43mm~45mm.
The machining tool of above-mentioned a kind of gear inclined hole, it is characterised in that: the taper of the taper shank is Mohs two；
The drill bit is spiral bit, and the diameter of the drill bit is 5mm；
The length of the lengthening drill bit is not less than 120mm.
In addition, gear inclined hole is processed the present invention also provides a kind of machining tool using said gear inclined hole
Method, which is characterized in that method includes the following steps:
Step 1: scribing line: crossing in bore, determine the Working position of gear inclined hole；
Step 2: the installation of bent plate and the fixation of gear: installing bent plate on the boring machine first, then the gear is consolidated
It is scheduled on the bent plate；
Step 3: the installation of drilling rod: drilling rod head in drilling rod being mounted on the boring machine, and wears the second drilling rod in drilling rod
Rectangle keyway is crossed, until drill bit arrives at the Working position of gear inclined hole described in step 1；
Step 4: the processing of gear inclined hole: completing the processing of gear inclined hole, detailed process using the boring machine are as follows:
Step 401, installation center is bored on drill chuck, at the Working position of gear inclined hole described in step 1 in processing
Heart hole；
Step 402 dismantles centre drill described in step 401, and 5 unit-type drill head of Φ is installed on drill chuck, in step
The drilling of central hole described in 401 forms the first drilling until stopping drilling when drilling 10mm~15mm；
The unit-type drill head of Φ 5 described in step 402 is dismantled, and installs lengthening drill bit on drill chuck by step 403, makes institute
It states lengthening drill bit to protrude into the first drilling described in step 402, continues drilling until completing gear inclined hole through screw mounting hole
Processing.
Above-mentioned method, it is characterised in that: bent plate described in step 2 is L shape bent plate, and the L shape bent plate includes horizontal part
The vertical portion vertical with the horizontal part, the horizontal part are mounted on the boring machine, and the bottom of the gear is mounted on institute
Vertical portion is stated, the gear is with the vertical portion in vertical parallel laying.
Above-mentioned method, it is characterised in that: the diameter of the gear inclined hole of machine-shaping in step 403 is 5mm, the gear
Inclined hole and the angle of horizontal direction are 20 °.
Above-mentioned method, it is characterised in that: the length of lengthening drill bit is not less than 120mm in step 403, and the lengthening is bored
The diameter of head is 5mm；The revolving speed of the lengthening drill bit is 530r/min~540r/min, and the amount of feeding of the lengthening drill bit is
4mm/r~5mm/r.
Above-mentioned method, it is characterised in that: before crossing in step 1, square key, and phase are processed using CNC milling machine
Diameter of the spacing of rectangle keyway between adjacent two square keys less than the second drilling rod.
Compared with the prior art, the present invention has the following advantages:
1, the machining tool simple structure and reasonable design of gear inclined hole of the present invention and input cost is lower, installing and dismounting side
Just, the low-cost, high-volume production of gear inclined hole is realized.
2, the machining tool of gear inclined hole of the present invention includes drilling rod, drill chuck and drill bit, and drilling rod includes drilling rod head, the first brill
Drilling rod can be mounted on boring machine by bar and the second drilling rod by drilling rod head, and drill chuck and drill bit are to be detachably connected, and be convenient for basis
Process requirements more bit change, easy to install and disassemble, the diameter that the first drilling rod and the second drilling rod is arranged is different, wears convenient for the first drilling rod
The rectangle keyway in gear is crossed, the processing of gear inclined hole is carried out using the neutral gear of gear self structure, it is convenient to operate, and improves gear
The speed of inclined hole processing.
3, drilling rod and drill chuck used by the machining tool of gear inclined hole of the present invention, easy making process, and drilling rod, drill point
The work of head and drill bit does not need interior cold numerically-controlled machine tool, so the cost of the machining tool of gear inclined hole is low, so that gear inclined
Hole machined is at low cost, wide adaptation range.
4, the machining tool of gear inclined hole of the present invention is avoided using omnipotent hair washing and with interior cold numerically-controlled machine tool, conveniently more
It changes different drill bits to creep into gear inclined hole, so that the process time of gear inclined hole is short, processing cost is low, improves gear inclined
The processing efficiency in hole, and ensure that the quality of gear.
5, gear inclined hole forming method step of the present invention is simple, design is reasonable and realizes convenient, using effect
It is good, it crosses in bore first, determines gear inclined hole machined position, bent plate is installed later and gear is fixed on bent plate
On；Secondly, installing drilling rod on boring machine, and the second drilling rod in drilling rod is made to pass through the rectangle keyway；Then, pacify on drill chuck
Centre drill is filled, centre drill is dismantled after centre bore positioning is completed in the machining center hole at the Working position of the gear inclined hole
And 5 unit-type drill head of Φ is installed on drill chuck, it is crept into central hole, forms the first drilling；Finally, 5 standard of Φ is bored
Head disassembly, and lengthening drill bit is installed on drill chuck, it protrudes into the lengthening drill bit in the first drilling, continues drilling until running through
Screw mounting hole completes the processing of gear inclined hole.The processing of gear inclined hole is realized by replacing different drill bits, and utilizes gear
Rectangle keyway characteristic reduces gear inclined hole machined cost and difficulty convenient for the installation of drilling rod, and process time is short, improves
The processing efficiency of gear inclined hole.
In conclusion the configuration of the present invention is simple, design are reasonable, simple and convenient processing method and using effect are good, installing and dismounting is just
Victory, and process time is short, processing cost is low, improves the processing efficiency of gear inclined hole, has a wide range of applications and promotional value
With.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the machining tool of gear inclined hole of the present invention.
Fig. 2 is the structural schematic diagram of gear of the present invention.
Fig. 3 is the structural schematic diagram of gear inclined hole machined of the present invention.
Fig. 4 is the flow diagram of gear inclined hole forming method of the present invention.
Description of symbols:
1-drilling rod；1-1-drilling rod head；The first drilling rod of 1-2-；
The second drilling rod of 1-3-；2-drill bits；3-drill chucks；
3-1-taper shank；3-2-installation folder；
4-gears；5-gear inclined holes；6-rectangle keyways；
7-screw mounting holes.
Specific embodiment
A kind of machining tool of gear inclined hole as shown in Figure 1, including connect with boring machine drilling rod 1, connect with drilling rod 1
Drill chuck 3 and the drill bit 2 being mounted on drill chuck 3, one end of the drill chuck 3 is provided with the taper shank 3- being threaded through in drilling rod 1
1, it is removable that the other end of the drill chuck 3, which is provided with the installation folder 3-2, the installation folder 3-2 that install for drill bit 2 with drill bit 2,
Connection is unloaded, the drilling rod 1 includes the drilling rod head 1-1 being mounted on the boring machine, the first drilling rod 1-2 connecting with drilling rod head 1-1
The cross section for the second drilling rod 1-3, the first drilling rod 1-2 and the second drilling rod 1-3 connecting with the first drilling rod 1-2 is circle
Shape, the diameter of the first drilling rod 1-2 are greater than the diameter of the second drilling rod 1-3, and the diameter of the second drilling rod 1-3 is less than square key
The spacing of slot 6.
In the present embodiment, drilling rod 1 can be mounted on the boring machine by drilling rod head 1-1, installation folder 3-2 and drill bit 2 are
It is detachably connected, is convenient for according to process requirements more bit change 2, it is easy to install and disassemble.
In the present embodiment, setting the first drilling rod 1-2 and the second drilling rod 1-3, and the first drilling rod 1-2 and the second drilling rod 1-3
Diameter is different, consequently facilitating the first drilling rod 1-2 passes through the rectangle keyway 6 in gear 4, using 4 self structure of gear neutral gear into
The processing of row gear inclined hole 5, it is convenient to operate, and the diameter of the first drilling rod 1-2 is greater than the diameter of the second drilling rod 1-3, guarantees drilling rod 1
Intensity meet drilling demand, avoid in 2 drilling process of drill bit, drilling rod 1 fractures accident.
In the present embodiment, drilling rod 1 and drill chuck 3, easy making process, and also the work of drilling rod 1, drill chuck 2 and drill bit 2 is not required to
Interior cold numerically-controlled machine tool is wanted, so the cost of the machining tool of gear inclined hole is low, so that gear inclined hole machined is at low cost, adapts to model
It encloses wide.
In the present embodiment, brill, unit-type drill head or lengthening drill bit centered on the drill bit 2；
The diameter of the first drilling rod 1-2 is gradually increased by drilling rod head 1-1 to the second direction drilling rod 1-3.
In the present embodiment, the drilling rod head 1-1, the first drilling rod 1-2 and the second drilling rod 1-3 are integrally formed, and described first bores
The length of bar 1-2 is not less than 270mm, and the length of the second drilling rod 1-3 is not less than 340mm.
In the present embodiment, the diameter of the first drilling rod 1-1 is 69mm~80mm, and the diameter of the second drilling rod 1-3 is
43mm~45mm.
In the present embodiment, the taper of the taper shank 3-1 is Mohs two；
The drill bit 2 is spiral bit, and the diameter of the drill bit 2 is 5mm；
The length of the lengthening drill bit is not less than 120mm.
In conjunction with Fig. 3 and a kind of gear inclined hole forming method shown in Fig. 4, method includes the following steps:
Step 1: scribing line: crossing in 4 inner hole of gear, determine the Working position of gear inclined hole 5；
Step 2: the installation of bent plate and the fixation of gear: installing bent plate on the boring machine first, then by the gear 4
It is fixed on the bent plate；
Step 3: the installation of drilling rod: drilling rod head 1-1 in drilling rod 1 being mounted on the boring machine, and is made second in drilling rod 1
Drilling rod 1-3 passes through rectangle keyway 6, until drill bit 2 arrives at the Working position of gear inclined hole 5 described in step 1；
Step 4: the processing of gear inclined hole: completing the processing of gear inclined hole 5, detailed process using the boring machine are as follows:
Step 401, installation center is bored on drill chuck 3, is processed at the Working position of gear inclined hole 5 described in step 1
Centre bore；
Step 402 dismantles centre drill described in step 401, and 5 unit-type drill head of Φ is installed on drill chuck 3, in step
The drilling of central hole described in 401 forms the first drilling until stopping drilling when drilling 10mm~15mm；
The unit-type drill head of Φ 5 described in step 402 is dismantled, and installs lengthening drill bit on drill chuck 3 by step 403, makes institute
It states lengthening drill bit to protrude into the first drilling described in step 402, continues drilling until completing gear inclined through screw mounting hole 7
The processing in hole 5.
In the present embodiment, first using centre drill machining center at the Working position of gear inclined hole 5 described in step 1
Hole is in order to be positioned at the Working position of gear inclined hole 5 described in step 1, so that Φ 5 is marked in 402 in directing step
The drilling of quasi- drill bit guarantees the accuracy of drilling position.
In the present embodiment, 402 in step in using 5 unit-type drill head of Φ creep into 10mm~15mm, be for the ease of step 403
Described in lengthening drill bit can protrude into first drilling, play a protective role to lengthening drill bit, while lengthenings brill can be made
Head drilling, avoids the lengthening drill bit amount of putting in few, be easy to cause breaking phenomenon.
In the present embodiment, the working depth of the gear inclined hole 5 is 98.95mm, so using lengthening drill bit in step 403
It is processed, to meet the process requirements of gear inclined hole 5.
In the present embodiment, bent plate described in step 2 be L shape bent plate, the L shape bent plate include horizontal part and with the water
The vertical vertical portion in flat portion, the horizontal part are mounted on the boring machine, and the bottom of the gear is mounted on the vertical portion, institute
Gear is stated with the vertical portion in vertical parallel laying.
In the present embodiment, the diameter of the gear inclined hole 5 of machine-shaping in step 403 is 5mm, the gear inclined hole 5 and water
Square to angle be 20 °.
In the present embodiment, the length of lengthening drill bit is not less than 120mm in step 403, and the diameter of the lengthening drill bit is
5mm；The revolving speed of the lengthening drill bit is 530r/min~540r/min, and the amount of feeding of the lengthening drill bit is 4mm/r~5mm/
r。
In the present embodiment, the lengthening drill bit is longer, so breaking is easy to happen in drilling process, in addition, gear inclined hole 5
Depth it is longer, the abrasion of the lengthening drill bit is exacerbated, so that cutter is also easy to crushing knife, so the revolving speed one of lengthening drill bit
As between 530r/min~540r/min, guarantee lengthening drill bit continually and steadily creep into.
In the present embodiment, the diameter of gear inclined hole 5 is smaller, during lengthening drill bit drilling, chip removal it is slow and
Difficulty is repeated several times so the lengthening drill bit is just exited chip removal when each amount of feeding of lengthening drill bit is 4mm/r~5mm/r
Until gear inclined hole 5 completes the process.
In the present embodiment, before crossing in step 1, square key, and the two neighboring square are processed using CNC milling machine
The spacing of rectangle keyway 6 between shape key is greater than the diameter of the second drilling rod 1-3.
In conclusion the configuration of the present invention is simple, design are reasonable, simple and convenient processing method and using effect are good, installing and dismounting is just
Victory, and process time is short, processing cost is low, improves the processing efficiency of gear inclined hole, has a wide range of applications and promotional value
With.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (7)
1. a kind of processing method of gear inclined hole, the device which uses includes the drilling rod (1) connecting with boring machine and bores
The drill chuck (3) of bar (1) connection and the drill bit (2) being mounted on drill chuck (3), one end of the drill chuck (3), which is provided with, wears
The taper shank (3-1) being located in drilling rod (1), the other end of the drill chuck (3) are provided with the installation folder (3- for drill bit (2) installation
2), the installation folder (3-2) is to be detachably connected with drill bit (2), and the drilling rod (1) includes the drilling rod being mounted on the boring machine
Head (1-1), the first drilling rod (1-2) being connect with drilling rod head (1-1) and the second drilling rod (1-3) being connect with the first drilling rod (1-2),
The cross section of first drilling rod (1-2) and the second drilling rod (1-3) is circle, and the diameter of first drilling rod (1-2) is greater than
The diameter of second drilling rod (1-3), the diameter of second drilling rod (1-3) are less than the spacing of rectangle keyway (6), the drill bit (2)
Centered on bore, unit-type drill head or lengthening drill bit；The diameter of first drilling rod (1-2) is by drilling rod head (1-1) to the second drilling rod (1-
3) direction is gradually increased, which is characterized in that method includes the following steps:
Step 1: scribing line: crossing in gear (4) inner hole, determine the Working position of gear inclined hole (5)；
Step 2: the installation of bent plate and the fixation of gear: installing bent plate on the boring machine first, then the gear (4) are solid
It is scheduled on the bent plate；
Step 3: the installation of drilling rod: drilling rod head (1-1) in drilling rod (1) being mounted on the boring machine, and is made in drilling rod (1)
Two drilling rods (1-3) pass through rectangle keyway (6), until drill bit (2) arrive at the Working position of gear inclined hole (5) described in step 1；
Step 4: the processing of gear inclined hole: completing the processing of gear inclined hole (5), detailed process using the boring machine are as follows:
Step 401, installation center is bored on drill chuck (3), is processed at the Working position of gear inclined hole (5) described in step 1
Centre bore；
Step 402 dismantles centre drill described in step 401, and 5 unit-type drill head of Φ is installed on drill chuck (3), in step
The drilling of central hole described in 401 forms the first drilling until stopping drilling when drilling 10mm~15mm；
The unit-type drill head of Φ 5 described in step 402 is dismantled, and installs lengthening drill bit on drill chuck (3) by step 403, makes described
Lengthening drill bit protrudes into the first drilling described in step 402, continues drilling until completing gear inclined through screw mounting hole (7)
The processing in hole (5)；
Bent plate described in step 2 is L shape bent plate, and the L shape bent plate includes horizontal part and vertical with the horizontal part vertical
Portion, the horizontal part are mounted on the boring machine, and the bottom of the gear is mounted on the vertical portion, and the gear is erected with described
Straight portion is in vertical parallel laying.
2. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: the drilling rod head (1-1),
One drilling rod (1-2) and the second drilling rod (1-3) are integrally formed, and the length of first drilling rod (1-2) is not less than 270mm, and described the
The length of two drilling rods (1-3) is not less than 340mm.
3. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: first drilling rod (1-1)
Diameter be 69mm~80mm, the diameter of second drilling rod (1-3) is 43mm~45mm.
4. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: the cone of the taper shank (3-1)
Degree is Mohs two；
The drill bit (2) is spiral bit, and the diameter of the drill bit (2) is 5mm；
The length of the lengthening drill bit is not less than 120mm.
5. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: machine-shaping in step 403
The diameter of gear inclined hole (5) be 5mm, the angle of the gear inclined hole (5) and horizontal direction is 20 °.
6. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: lengthening drill bit in step 403
Length be not less than 120mm, and the diameter of the lengthening drill bit be 5mm；The revolving speed of the lengthening drill bit be 530r/min~
540r/min, the amount of feeding of the lengthening drill bit are 4mm/r~5mm/r.
7. a kind of processing method of gear inclined hole described in accordance with the claim 1, it is characterised in that: before crossing in step 1,
Square key is processed using CNC milling machine, and the spacing of the rectangle keyway (6) between the two neighboring square key is greater than second
The diameter of drilling rod (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382811.6A CN106975770B (en) | 2017-05-26 | 2017-05-26 | A kind of processing method of gear inclined hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382811.6A CN106975770B (en) | 2017-05-26 | 2017-05-26 | A kind of processing method of gear inclined hole |
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| Publication Number | Publication Date |
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| CN106975770A CN106975770A (en) | 2017-07-25 |
| CN106975770B true CN106975770B (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710382811.6A Active CN106975770B (en) | 2017-05-26 | 2017-05-26 | A kind of processing method of gear inclined hole |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111604514A (en) * | 2020-04-28 | 2020-09-01 | 昆明云内动力股份有限公司 | Method for machining shallow inclined hole of cylinder body |
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| CN206747636U (en) * | 2017-05-26 | 2017-12-15 | 西安煤矿机械有限公司 | A kind of machining tool of gear inclined hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7597513B2 (en) * | 2007-03-16 | 2009-10-06 | Vance Chiang | Upright inclined-hole drilling jig |
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- 2017-05-26 CN CN201710382811.6A patent/CN106975770B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340275B1 (en) * | 1999-01-08 | 2002-01-22 | Toyota Jidosha Kabushiki Kaisha | Chamfering method |
| CN102744561A (en) * | 2012-07-21 | 2012-10-24 | 西安煤矿机械有限公司 | Deep hole machining process |
| CN202804757U (en) * | 2012-07-27 | 2013-03-20 | 苏州市东立机械有限公司 | Drill chuck |
| CN202921985U (en) * | 2012-08-28 | 2013-05-08 | 安瑞科(蚌埠)压缩机有限公司 | Deep hole lengthened drill extension rod |
| CN105195773A (en) * | 2015-10-19 | 2015-12-30 | 广西恒达电机科技有限公司 | Machining device for milling oblique hole |
| CN106541287A (en) * | 2016-12-15 | 2017-03-29 | 安徽天瑞精密汽车零部件有限公司 | A kind of gear drill inclined oil hole of air magic chuck |
| CN206747636U (en) * | 2017-05-26 | 2017-12-15 | 西安煤矿机械有限公司 | A kind of machining tool of gear inclined hole |
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| Publication number | Publication date |
|---|---|
| CN106975770A (en) | 2017-07-25 |
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Address after: 710200 No. 7, Middle Section of Jingpu Road, Jingwei New City, Jingkai District, Xi'an City, Shaanxi Province Patentee after: Xi'an Coal Mining Machinery Co., Ltd. Address before: 710021 No. 8 Shangji Road, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee before: Xi'an Coal Mining Machinery Co., Ltd. |