CN109909820A - A kind of the multisection type processing unit and processing method of tubular shell inner surface - Google Patents
A kind of the multisection type processing unit and processing method of tubular shell inner surface Download PDFInfo
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- CN109909820A CN109909820A CN201910208120.3A CN201910208120A CN109909820A CN 109909820 A CN109909820 A CN 109909820A CN 201910208120 A CN201910208120 A CN 201910208120A CN 109909820 A CN109909820 A CN 109909820A
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Abstract
The present invention relates to field of machining, more particularly to the multisection type processing unit and processing method of a kind of tubular shell inner surface, wherein processing unit includes: machine table, housing into rotation mechanism, digital control system and dust collecting system, is provided with the first supporting plate mechanism and shell supporting mechanism in the machine table；First supporting plate mechanism includes that sliding saddle, guide rail, first servo motor and the first positioning screw rod, the guide rail are mounted at the top of the machine table, is provided with the second supporting plate mechanism at the top of the sliding saddle；The shell supporting mechanism includes lifting table plate and support frame, and support frame as described above is arranged at the top of the lifting table plate；Second supporting plate mechanism includes, alloy sliding rail, polishing supporting plate, the second servo motor, the second positioning screw rod and gear governor box, second servo motor is connected by gear governor box with second positioning screw rod, is provided with controllable type workpiece polishing mechanism on the polishing supporting plate.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of multisection type processing unit of tubular shell inner surface and place
Reason method.
Background technique
Internal diameter be 250-800mm, length be 0.5-6m slender type tubular shell inner surface process in, due to
Shell aperture is smaller and length is longer, and common grinding device is difficult to realize high-precision inner surface polishing processing.And it commonly beats
Mill apparatus also cannot achieve segmented technique for grinding, thus design it is a kind of can the inner surface effectively to slender type tubular shell carry out
The device of high Precision Processing is very necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of multistage of tubular shell inner surface to solve the problems in background technique
Formula processing unit and processing method.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of multisection type processing unit of tubular shell inner surface, comprising: machine table, housing into rotation mechanism, digital control system and suction
Dirt system is provided with the first supporting plate mechanism and shell supporting mechanism in the machine table；First supporting plate mechanism includes sliding
Saddle, guide rail, first servo motor and the first positioning screw rod, the guide rail are mounted at the top of the machine table, the sliding support
The second supporting plate mechanism is provided at the top of platform；The shell supporting mechanism includes lifting table plate and support frame, support frame as described above setting
At the top of the lifting table plate, support frame as described above top is provided with toroidal frame, and the toroidal frame inner ring is provided with roller, toroidal frame
Interior each contact point uses a roller, to reduce friction；Second supporting plate mechanism includes alloy sliding rail, polishing support
Plate, the second servo motor, the second positioning screw rod and gear governor box, second servo motor by gear governor box with it is described
Second positioning screw rod is connected, and controllable type workpiece polishing mechanism is provided on the polishing supporting plate, the polishing supporting plate bottom is provided with spiral shell
Line interconnecting piece, the polishing supporting plate are connected by the threaded joints with second positioning screw rod.
Preferably, the controllable type workpiece polishing mechanism includes, polishing driving motor, flexible axle, rotation sharpening, pen shape cylinder, L
Shape connecting rod, grinding head lifting sliding block and grinding head lifting slide bar；The polishing driving motor is whetted a knife by the flexible axle and the rotation
It is connected；The first articulated joint and the second articulated joint are provided on the polishing supporting plate, the L shape connecting rod includes the connected quarter butt of dog-ear
With stock, the cylinder body of the pen shape cylinder is connected with first articulated joint, the body of rod of the pen shape cylinder and the L shape connecting rod
Quarter butt end be hinged, be hinged at the dog-ear of the L shape connecting rod at second articulated joint, the stock of the L shape connecting rod
End is connected with the grinding head lifting sliding block；Vertical slot is provided on the grinding head lifting sliding block, described in the polishing supporting plate is corresponding
It is provided with translot below grinding head lifting sliding block, the both ends of the grinding head lifting slide bar are separately positioned on the vertical slot in the translot
Interior, the rotation, which is whetted a knife, to be arranged in the grinding head lifting slider top.
Preferably, the dust collection mechanism includes, and disposal box, aspiration pump, sweep-up pipe and suction inlet, the suction inlet setting
In the polishing supporting plate close at the rotation sharpening, the sweep-up pipe both ends respectively with the disposal box and the suction inlet phase
Even.
Preferably, the housing into rotation mechanism includes, and driving turntable, clamping catching and supporting plate folder, the driving turntable
For by variable-frequency motor and gearbox driving hollow turntable, the clamping catching adjustable installing on the driving turntable,
The supporting plate sandwiched is set on the inside of the driving turntable, and concordant in the alloy sliding rail.
Preferably, the processing unit is additionally provided with wire delivery mechanism, the wire delivery mechanism includes defeated line rod and defeated line electricity
Machine guarantees that electric wire, tracheae can be mobile simultaneously with the first, second supporting plate mechanism, to prevent electric wire, tracheae to be wrapped in supporting plate
On.
Preferably, alloy sliding rail is made of high-strength alloy profile, section is porous rectangular configuration, the rectangular section
Width be greater than height, and include screw rod slot area, supporting plate sliding slot area and several to be formed by strengthening rib strip arranged in a crossed manner
Triangle reinforces area；Second positioning screw rod is hidden in the alloy sliding rail by screw rod slot area, the polishing supporting plate
Bottom be provided with to the matched guide pad in supporting plate sliding slot area；To slim cylindrical shell processing when, alloy sliding rail from
Body length is longer, and ordinary pallet is easy to happen bending, the high-strength alloy of this programme structure in the case where only one end is fixed
Profile, the bending that can be effectively prevent on length direction improve machining accuracy.In addition, will be by the way that screw rod slot area is arranged, it can be effective
Space is saved, the adaptation range of processing internal diameter is improved.
Preferably, the supporting plate of inverted triangle structure is provided at the top of the sliding saddle, to improve to alloy sliding rail
Support effect.
Preferably, the digital control system includes, numerical control screen, PLC, servo controller, frequency converter, distance-sensor, speed
Spend sensor and electromagnetic switch.
Preferably, the first servo motor, the second servo motor, polishing driving motor, defeated line motor pass through respectively
It is driven from the servo controller of outfit, the variable-frequency motor passes through electricity by Frequency Converter Control revolving speed, the pen shape cylinder
The lower air valve of magnetic switch control is manipulated, the sliding saddle, supporting plate of polishing pass through distance-sensor and velocity sensor into
Row positions and tests the speed, and the output end of the PLC is arranged in the servo controller, frequency converter, electromagnetic switch, and the distance perception is answered
The input terminal of the PLC is arranged in device, velocity sensor, and the numerical control screen is used for the control information exchange between man-machine.
A kind of multisection type processing method of tubular shell inner surface, comprising the following steps:
A, shell is installed: according to tubular shell size, being selected the support frame of suitable size, after shell is penetrated toroidal frame, will be propped up
Support and shell are placed on lifting table plate；
B, shell clamps and to axle center: clamping the tail portion of shell using the clamping catching on driving turntable, and adjusts lifting table plate
Highly, so that shell is aligned with driving turntable axis
C, big palette shifts: the first servo motor in the first supporting plate mechanism of starting, and the first positioning screw rod of control drives sliding support
Platform by the second supporting plate mechanism be sent into shell stack shell inside, when shell end be open it is larger, alloy sliding rail can pass through when, pass through support
Plate clamps alloy sliding rail tail portion；When shell end be it is closed or opening it is smaller, alloy sliding rail can not pass through when, then do not open
It is pressed from both sides with supporting plate, for it can enable supporting plate folder in the case where, can effectively eliminate the Light deformation problem of alloy sliding rail, to improve
Machining accuracy；
D, small supporting plate displacement: the second servo motor in the second supporting plate mechanism of starting, the second positioning screw rod of control drive polishing support
Plate is moved to the position in shell stack shell needed to process together with the controllable type workpiece polishing mechanism of side mounted thereto；
E, cutter lifting is polished: when controllable type workpiece polishing mechanism is moved to place to be processed, starting pen shape cylinder and polishing driving motor make to turn
Dynamic sharpening is raised to designated position polishing processing, starts dust collection mechanism simultaneously in bruting process, broken under being polished with suction inlet
Bits are collected into disposal box
F, flour milling is handled: bruting process adjusts air pressure and the ventilation direction of pen shape cylinder, can control the depth and polishing of polishing
Start and stop, and under the cooperation of the second supporting plate mechanism can be achieved segmented polishing effect.
Preferably, starting defeated line motor in the step c and step d and discharging the wire rod being wrapped on defeated line rod, guarantee
The synchronous synergetic movement of related electric wire and tracheae.
By the supporting plate mechanism of two-stage in the present invention, quickly positioning and precise positioning are realized respectively, and in the second support
Gear governor box is used in trigger structure to realize accurate feed.Specialty alloys sliding rail in second supporting plate mechanism is not flexible, really
The stabilization for having protected level height in controllable type workpiece polishing mechanism active procedure, to guarantee machining accuracy.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of controllable type workpiece polishing mechanism in the present invention；
Fig. 3 is the structural schematic diagram of housing into rotation mechanism in the present invention.
Specific embodiment
Following specific embodiments are only explanation of the invention, are not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
With embodiment, the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1:
According to FIG. 1 to FIG. 3, a kind of multisection type processing unit of tubular shell inner surface, comprising: machine table 1, housing into rotation
Mechanism 2, digital control system 3 and dust collecting system 4 are provided with the first supporting plate mechanism 5 and shell supporting mechanism 6, numerical control system in machine table 1
System 3 includes numerical control screen, PLC, servo controller, frequency converter, distance-sensor, velocity sensor and electromagnetic switch.
First supporting plate mechanism 5 includes that sliding saddle 51, guide rail 52, first servo motor 53 and the first positioning screw rod 54 are led
Rail 52 is mounted on 1 top of machine table, slides and is provided with the second supporting plate mechanism 7 at the top of saddle 51, slides and be provided at the top of saddle 51
The supporting plate of inverted triangle structure.
Shell supporting mechanism 6 includes lifting table plate 61 and support frame 62, and support frame 62 is arranged at 61 top of lifting table plate,
62 top of support frame is provided with toroidal frame 621, and toroidal frame inner ring is provided with roller 622；
Second supporting plate mechanism 7 includes alloy sliding rail 71, polishing supporting plate 72, the second servo motor 73, the second positioning screw rod 74 and tooth
Governing box 75 is taken turns, the second servo motor 73 is connected by gear governor box 75 with the second positioning screw rod 74, is set on supporting plate 72 of polishing
Be equipped with controllable type workpiece polishing mechanism 8, polishing 72 bottom of supporting plate is provided with threaded joints, polishing supporting plate 72 be connected through a screw thread portion with
Second positioning screw rod 74 is connected.
According to Fig.2, controllable type workpiece polishing mechanism 8 includes polishing driving motor 81, flexible axle 82, rotation sharpening 83, pen shape
Cylinder 84, L shape connecting rod 85, grinding head lifting sliding block 86 and grinding head lifting slide bar 87；Driving motor 81 of polishing passes through flexible axle 82 and turns
Dynamic sharpening 83 is connected；The first articulated joint and the second articulated joint are provided on polishing supporting plate 72, L shape connecting rod 85 includes what dog-ear was connected
Quarter butt and stock, the cylinder body of pen shape cylinder 84 are connected with the first articulated joint, the body of rod of pen shape cylinder 84 and the quarter butt of L shape connecting rod 85
End is hinged, and is hinged at the second articulated joint at the dog-ear of L shape connecting rod 85, the stock end of L shape connecting rod 85 and grinding head lifting
Sliding block 86 is connected；It is provided with vertical slot 861 on grinding head lifting sliding block 86, is arranged below the corresponding grinding head lifting sliding block 86 of polishing supporting plate 72
There is translot 871, the both ends of grinding head lifting slide bar 87 are separately positioned on vertical slot 861 in translot 871, and 83 setting of rotation sharpening is being ground
86 top of head lifting slider.
Alloy sliding rail 71 is made of high-strength alloy profile, and section is porous rectangular configuration, the width of the rectangular section
It greater than height, and include screw rod slot area 711, supporting plate sliding slot area 712 and several to be formed by strengthening rib strip arranged in a crossed manner
Triangle reinforces area 713；Second positioning screw rod 74 is hidden in alloy sliding rail 71 by screw rod slot area 711,72 bottom of supporting plate of polishing
Be provided with to the matched guide pad 721 in supporting plate sliding slot area 712.
Dust collection mechanism 4 includes disposal box 41, aspiration pump, sweep-up pipe 42 and suction inlet 43, and the setting of suction inlet 43 is held in the palm in polishing
Close to rotating at sharpening 83,42 both ends of sweep-up pipe are connected with disposal box 41 with suction inlet 43 plate 72 respectively.
According to Fig.3, housing into rotation mechanism 2 includes that driving turntable 21, clamping catching 22 and supporting plate folder 23, driving turns
Disk 21 is to clamp 22 adjustable installing of catching on driving turntable 21 by the hollow turntable of variable-frequency motor and gearbox driving,
23 setting of supporting plate folder is driving 21 inside of turntable, and concordant in alloy sliding rail 71.
A kind of multisection type processing method of tubular shell inner surface, comprising the following steps:
A, shell is installed: according to tubular shell size, the support frame 62 of suitable size is selected, after shell is penetrated toroidal frame 621,
Support frame 62 and shell are placed on lifting table plate 61；
B, shell clamps and to axle center: clamping the tail portion of shell using the clamping catching 22 on driving turntable 21, and adjusts lifting
61 height of platen, so that shell is aligned with driving 21 axis of turntable
C, big palette shifts: the first servo motor 53 in the first supporting plate mechanism 5 of starting, and the first positioning screw rod 54 of control, which drives, to be slided
Second supporting plate mechanism 7 is sent into inside shell stack shell by dynamic saddle 51, and when shell end opening is larger, alloy sliding rail 71 can be passed through
When, 71 tail portion of alloy sliding rail is clamped by supporting plate folder 23；When shell end is smaller for closed or opening, alloy sliding rail 71 can not be worn
It is out-of-date, then supporting plate folder 23 is not enabled；
D, small supporting plate displacement: the second servo motor 73 in the second supporting plate mechanism 7 of starting, control the second positioning screw rod 74 drive are beaten
It grinds supporting plate 72 and is moved to the position in shell stack shell needed to process together with the controllable type workpiece polishing mechanism 8 of side mounted thereto；
E, cutter lifting is polished: when controllable type workpiece polishing mechanism 8 is moved to place to be processed, starting pen shape cylinder 84 and polishing driving motor
81, so that rotation sharpening 83 is raised to designated position polishing processing, starts dust collection mechanism 4 simultaneously in bruting process, with suction inlet 43
It will be in the scrap collecting to disposal box 41 under polishing
F, flour milling is handled: bruting process adjusts air pressure and the ventilation direction of pen shape cylinder 84, can control the depth of polishing and beats
The start and stop of mill, and the effect that achievable segmented is polished under the cooperation of the second supporting plate mechanism 7.
Embodiment 2:
The difference is that, processing unit further includes having wire delivery mechanism 9 with above-described embodiment 1, and wire delivery mechanism 9 includes defeated line rod
Start defeated line motor in processing step c and step d with defeated line motor and discharge the wire rod being wrapped on defeated line rod, guarantees related
The synchronous synergetic movement of electric wire and tracheae.
Claims (10)
1. a kind of multisection type processing unit of tubular shell inner surface characterized by comprising machine table (1), housing into rotation machine
Structure (2), digital control system (3) and dust collecting system (4) are provided with the first supporting plate mechanism (5) and shell support on the machine table (1)
Mechanism (6)；
First supporting plate mechanism (5) includes sliding saddle (51), guide rail (52), first servo motor (53) and the first positioning
Screw rod (54), the guide rail (52) are mounted at the top of the machine table (1), are provided with the second support at the top of the sliding saddle (51)
Trigger structure (7)；
The shell supporting mechanism (6) includes lifting table plate (61) and support frame (62), and support frame as described above (62) is arranged described
At the top of lifting table plate (61), support frame as described above (62) top is provided with toroidal frame (621), and the toroidal frame inner ring is provided with roller
(622)；
Second supporting plate mechanism (7) includes that alloy sliding rail (71), polishing supporting plate (72), the second servo motor (73), second are determined
Position screw rod (74) and gear governor box (75), second servo motor (73) are fixed with described second by gear governor box (75)
Position screw rod (74) is connected, and is provided with controllable type workpiece polishing mechanism (8) on the polishing supporting plate (72), polishing supporting plate (72) bottom
Threaded joints are provided with, the polishing supporting plate (72) passes through the threaded joints and the second positioning screw rod (74) phase
Even.
2. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that it is described can
Control formula workpiece polishing mechanism (8) includes that polishing driving motor (81), flexible axle (82), rotation is whetted a knife (83), pen shape cylinder (84), L shape connect
Bar (85), grinding head lifting sliding block (86) and grinding head lifting slide bar (87)；The polishing driving motor (81) passes through the flexible axle
(82) it is connected with rotation sharpening (83)；The first articulated joint and the second articulated joint, institute are provided on the polishing supporting plate (72)
Stating L shape connecting rod (85) includes the connected quarter butt and stock of dog-ear, the cylinder body of the pen shape cylinder (84) and first articulated joint
It is connected, the body of rod of the pen shape cylinder (84) and the quarter butt end of the L shape connecting rod (85) are hinged, the L shape connecting rod (85)
Dog-ear at be hinged at second articulated joint, the stock end of the L shape connecting rod (85) and the grinding head lifting sliding block
(86) it is connected；It is provided with vertical slot (861) on the grinding head lifting sliding block (86), the corresponding bistrique liter of the polishing supporting plate (72)
It is provided with translot (871) below drop sliding block (86), the both ends of the grinding head lifting slide bar (87) are separately positioned on the vertical slot
(861) in Yu Suoshu translot (871), the rotation whets a knife (83) setting at the top of the grinding head lifting sliding block (86).
3. a kind of multisection type processing unit of tubular shell inner surface according to claim 2, which is characterized in that the suction
Dirt mechanism (4) includes disposal box (41), aspiration pump, sweep-up pipe (42) and suction inlet (43), and the suction inlet (43) is arranged in institute
Polishing supporting plate (72) is stated to whet a knife at (83) close to the rotation, sweep-up pipe (42) both ends respectively with the disposal box (41) and
The suction inlet (43) is connected.
4. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that the shell
Body rotating mechanism (2) includes that driving turntable (21), clamping catching (22) and supporting plate folder (23), the driving turntable (21) is logical
The hollow turntable of variable-frequency motor and gearbox driving is crossed, clamping catching (22) adjustable installing is in the driving turntable (21)
On, the supporting plate folder (23) is arranged on the inside of the driving turntable (21), and concordant in the alloy sliding rail (71).
5. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that the place
Reason device is additionally provided with wire delivery mechanism (9), and the wire delivery mechanism (9) includes defeated line rod and defeated line motor.
6. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that alloy is sliding
Rail (71) is made of high-strength alloy profile, and section is porous rectangular configuration, and the width of the rectangular section is greater than height, and wraps
It has been included that, screw rod slot area (711), supporting plate sliding slot area (712) and several triangles formed by strengthening rib strip arranged in a crossed manner are reinforced
Area (713)；Second positioning screw rod (74) is hidden in the alloy sliding rail (71) by screw rod slot area (711), institute
State polishing supporting plate (72) bottom be provided with to supporting plate sliding slot area (712) matched guide pad (721).
7. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that the cunning
The supporting plate of inverted triangle structure is provided at the top of dynamic saddle (51).
8. a kind of multisection type processing unit of tubular shell inner surface according to claim 1, which is characterized in that the number
Control system (3) includes numerical control screen, PLC, servo controller, frequency converter, distance-sensor, velocity sensor and electromagnetic switch.
9. a kind of multisection type processing method of tubular shell inner surface, which is characterized in that using described in the claims 1-8
Reason device follows the steps below processing:
A, shell is installed: according to tubular shell size, selecting the support frame (62) of suitable size, shell is penetrated toroidal frame
(621) after, support frame (62) and shell are placed on lifting table plate (61)；
B, shell clamps and to axle center: clamping the tail portion of shell using the clamping catching (22) in driving turntable (21), and adjusts
Lifting table plate (61) height, so that shell is aligned with driving turntable (21) axis
C, big palette shifts: the first servo motor (53) in starting the first supporting plate mechanism (5) controls the first positioning screw rod (54)
Drive sliding saddle (51) that the second supporting plate mechanism (7) are sent into inside shell stack shell, when larger, the alloy sliding rail of shell end opening
(71) when can pass through, alloy sliding rail (71) tail portion is clamped by supporting plate folder (23)；When shell end is closed or opening
It is smaller, when alloy sliding rail (71) can not pass through, then supporting plate folder (23) is not enabled；
D, small supporting plate displacement: the second servo motor (73) in starting the second supporting plate mechanism (7) controls the second positioning screw rod (74)
It drives polishing supporting plate (72) to be moved to together with the controllable type workpiece polishing mechanism (8) of side mounted thereto to need to process in shell stack shell
Position；
E, cutter lifting is polished: when controllable type workpiece polishing mechanism (8) is moved to place to be processed, starting pen shape cylinder (84) and polishing driving electricity
Machine (81) makes rotation sharpening (83) be raised to designated position polishing processing, starts dust collection mechanism (4) simultaneously in bruting process, use
Suction inlet (43) will be in the scrap collecting to disposal box (41) under polishing
F, flour milling handle: bruting process adjust pen shape cylinder (84) air pressure and ventilation direction, can control polishing depth and
The start and stop of polishing, and the effect that achievable segmented is polished under the cooperation of the second supporting plate mechanism (7).
10. a kind of multisection type processing method of tubular shell inner surface according to claim 9, which is characterized in that described
In step c and step d, start defeated line motor and discharge the wire rod being wrapped on defeated line rod, guarantees that related electric wire is synchronous with tracheae
Cooperative motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208120.3A CN109909820B (en) | 2019-03-19 | 2019-03-19 | Multi-stage treatment device and method for inner surface of cylindrical shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208120.3A CN109909820B (en) | 2019-03-19 | 2019-03-19 | Multi-stage treatment device and method for inner surface of cylindrical shell |
Publications (2)
| Publication Number | Publication Date |
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| CN109909820A true CN109909820A (en) | 2019-06-21 |
| CN109909820B CN109909820B (en) | 2023-10-27 |
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ID=66965793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208120.3A Active CN109909820B (en) | 2019-03-19 | 2019-03-19 | Multi-stage treatment device and method for inner surface of cylindrical shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116690319A (en) * | 2023-07-04 | 2023-09-05 | 兰溪市同力铝业股份有限公司 | Motorcycle accessory machining device and application method thereof |
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| JP2007276032A (en) * | 2006-04-05 | 2007-10-25 | Okuma Corp | Grinding machine |
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| CN109290936A (en) * | 2017-07-25 | 2019-02-01 | 中天科技精密材料有限公司 | Quartz ampoule device for polishing inner hole and its polishing method |
| CN209919490U (en) * | 2019-03-19 | 2020-01-10 | 湖州师范学院 | Multi-section processing device for inner surface of cylindrical shell |
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| JPH11254277A (en) * | 1998-03-04 | 1999-09-21 | Toyo Advanced Technologies Co Ltd | Internal grinding machine |
| JP2007276032A (en) * | 2006-04-05 | 2007-10-25 | Okuma Corp | Grinding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116690319A (en) * | 2023-07-04 | 2023-09-05 | 兰溪市同力铝业股份有限公司 | Motorcycle accessory machining device and application method thereof |
| CN116690319B (en) * | 2023-07-04 | 2023-11-03 | 兰溪市同力铝业股份有限公司 | Motorcycle accessory machining device and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN109909820B (en) | 2023-10-27 |
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