CN104741928A - Tool bit, drilling and flanging tool and drilling and flanging method - Google Patents
Tool bit, drilling and flanging tool and drilling and flanging method Download PDFInfo
- Publication number
- CN104741928A CN104741928A CN201310729477.9A CN201310729477A CN104741928A CN 104741928 A CN104741928 A CN 104741928A CN 201310729477 A CN201310729477 A CN 201310729477A CN 104741928 A CN104741928 A CN 104741928A
- Authority
- CN
- China
- Prior art keywords
- cutter head
- flanging
- groove
- boring
- drive mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005553 drilling Methods 0.000 title abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 70
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a tool bit, a drilling and flanging tool and a drilling and flanging method; the tool bit comprises a tool bit main body and a working end, wherein the working end is of a tip structure; a groove is formed in the middle of the outer surface of the tool bit main body. The tool bit can simultaneously complete the processes of drilling and flanging, the combination and automatic production of the processes of drilling and flanging of the pipeline piece are realized by adopting the drilling and flanging tool of the tool bit, an efficient drilling and flanging production mode is provided, the tool bit has better universality, and the tool bit can be used for processing the pipeline piece with complex deformation; the manufactured flanging has good flanging effect and stability.
Description
Technical field
The present invention relates to manufacture field, particularly relate to a kind of cutter head that pipeline fitting is processed and comprise the boring flange tooling of this cutter head and method for flanging of holing accordingly.
Background technology
Digital control processing is divided into process two kinds with manual at the boring flanging process of pipeline fitting such as air-conditioning duct part at present.Digital control processing generally adopts digital control hole drilling flange process equipment, and its advantage is that working (machining) efficiency is high, and flange is effective, and uniformity is good, impulse-free robustness; But the shortcoming of digital control processing is that versatility is poor because equipment limitation is only applicable to the processing that end is straight tube, cannot meet the processing of labyrinth pipeline fitting; Be generally the boring of employing equipment, then make flange by hand, finally carry out deburring operation again.Another kind of manual manufacturing procedure is various, adopt existing drilling machine unit speed single, suitable rotating speed cannot be adjusted to and meet existing requirement, and by Artificial Control drilling machine ascensional dynamics, cause because dynamics differs, abnormal quality occurring at every turn, simultaneously due to boring and flange twice location, concentricity cannot be met.
Therefore designing a kind of boring flange tooling easy to use is very urgent demand.
Summary of the invention
In order to overcome above-mentioned deficiency, the object of this invention is to provide a kind of cutter head and boring flange tooling and method for flanging of holing.
Technical scheme of the present invention is as follows:
A kind of cutter head, described cutter head comprises head body and working end, and described working end is cutting-edge structure; The outer surface of described head body is provided with groove.
Wherein in an embodiment, described working end comprises first most advanced and sophisticated and the second tip, and described head body and described working end form a Y type cutter head, and the angle between described first tip and the second tip is acute angle.
Wherein in an embodiment, described groove is projected as rectangle, the bottom of wherein said groove and horizontal plane on described head body, and two sidewalls of described groove all and plane-parallel.
Wherein in an embodiment, the bottom of described groove and horizontal plane, the sidewall away from described working end of described groove and plane-parallel, the sidewall of described groove near described working end is inclined-plane, the outer surface smoother transition of described inclined-plane and described head body.
The present invention also provides a kind of boring flange tooling, comprises horizontal drive mechanism, upright driving mechanism, rotary drive mechanism, electric control system and transmission connecting rod mechanism and above-described cutter head;
Described cutter head is arranged on described transmission connecting rod mechanism, and described horizontal drive mechanism can drive described transmission connecting rod mechanism horizontal movement, and described upright driving mechanism can drive described transmission connecting rod mechanism to move both vertically; Described rotary drive mechanism can drive described transmission connecting rod mechanism to horizontally rotate;
Described electric control system is for controlling described horizontal drive mechanism, described upright driving mechanism and described rotary drive mechanism.
Wherein in an embodiment, the distance between two sidewalls of described groove is greater than the thickness of workpiece to be added.
Wherein in an embodiment, described boring flange tooling also comprises for the cutter head quick-changing mechanism according to different processing request Quick changing cutter.
Wherein in an embodiment, described horizontal drive mechanism comprises horizontal cam structure and horizontal drive motor, and described upright driving mechanism comprises vertical cam structure and vertical drive motors, and described rotary drive structure is rotary drive motor.
Accordingly, the present invention also provides a kind of boring method for flanging, uses above-described boring flange tooling; Comprise the steps:
S100: need to install cutter head according to processing;
S200: place work piece;
S300: setting machined parameters;
S400: perform process;
S500: withdrawing, completes processing.
Wherein in an embodiment, described step S400 performs process and comprises the steps:
S401: upright driving mechanism drives cutter head to decline until surface of the work to be added of fitting;
S402: rotary drive mechanism drives cutter head to be rotated in through hole workpiece to be added cutting out pre-sizing;
S403: upright driving mechanism drives cutter head to continue to decline until the groove on cutter head aligns with the sidewall of the through hole of workpiece to be added;
S404: horizontal drive mechanism drives described cutter head to move horizontally, and now the sidewall of the through hole of workpiece to be added snaps in the groove of described cutter head;
S405: rotary drive mechanism and upright driving mechanism acting in conjunction drive on rotation limit, cutter head limit and rise, and can process flanging bore on workpiece to be added.
The invention has the beneficial effects as follows: cutter head of the present invention can complete the operation of boring and flange simultaneously, the boring flange tooling that have employed cutter head achieves pipeline fitting boring, the merging of overturning process and automated production, provide a kind of flange of boring efficiently mode of production, there is better versatility, can the pipeline fitting of processed complex deformation; The flange made has good flange effect and stability.
Accompanying drawing explanation
Fig. 1 is the schematic front view of an embodiment of cutter head of the present invention;
Fig. 2 is the schematic side view of the cutter head shown in Fig. 1;
Fig. 3 is the schematic top plan view of the cutter head shown in Fig. 1;
Fig. 4 is the A place enlarged drawing in Fig. 1;
Fig. 5 is the overall schematic of boring flange tooling of the present invention;
Fig. 6 to Fig. 8 is the step schematic diagram of boring method for flanging of the present invention.
Detailed description of the invention
In order to make the object of cutter head of the present invention and boring flange tooling and boring method for flanging, technical scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
See Fig. 1 to Fig. 3, the invention provides a kind of cutter head 100, comprise head body 110 and working end, described working end is cutting-edge structure, preferably, described working end comprises the first most advanced and sophisticated 121 and second tip 122, and described head body 110 and described working end form a Y type cutter head; The middle part of the outer surface of described head body 110 is provided with groove 111.
Present embodiments provide a kind of cutter head that simultaneously can complete boring and flange, this cutter head is Y type, wherein two bifurcateds of Y type are working end, be mainly used in cutting on pipeline fitting portalling, the first bifurcated that is most advanced and sophisticated and the second tip is adopted to hole on pipeline fitting rapidly, the waste granules of simultaneously holing is comparatively large, is easy to collect; The object that the middle part of head body arranges groove is to complete flanging process.Adopt the cutter head in the present embodiment can complete boring and flanging process simultaneously, compare with manual processing with digital control hole drilling in the past, cutter head in the present embodiment achieves the boring of pipeline fitting and the merging of overturning process, provides one and to hole more efficiently the flange mode of production.
Preferably, as a kind of embodiment, the angle a between the described first most advanced and sophisticated 121 and second tip 122 is acute angle, preferably for angle a is 10 to 90 degree.See Fig. 1, angle between the medial surface at the first tip and the medial surface at the second tip is a, angle a is generally acute angle, arrange like this and facilitate active section to hole, should be noted that, from a direction of cutter head, angle between first tip and the second tip is equivalent on working end, be provided with a v-notch, first end that is most advanced and sophisticated and the second tip is as a whole, and first is most advanced and sophisticated identical with the diameter of head body or width with the end at the second tip, such setting can strengthen the intensity of cutter head, extends the service life of cutter head.Further, the angle a in the present embodiment is preferably 60 degree, can reach best result of use like this.The diameter that distance between the end points 1211 at the first tip in the present embodiment and the end points 1221 at the second tip can be holed according to actual needs is determined.
Preferably, as a kind of embodiment, the projection of described groove 111 on described head body can be rectangle, i.e. the bottom 1112 of groove 111 and horizontal plane, and two sidewalls of groove all and plane-parallel.The distance of width that is between two sidewalls of groove is determined according to actual needs.
Preferably, as a kind of embodiment, see Fig. 1 and Fig. 4, the bottom 1112 of the described groove 111 in the present embodiment and horizontal plane, the sidewall 1113 away from described working end of described groove and plane-parallel, the sidewall 1111 of described groove 111 near described working end is inclined-plane, the outer surface smoother transition of described inclined-plane and described head body 110.The object arranging inclined-plane in the process of upwards revolving pull-shaped one-tenth flange, does not scrape in order to ensureing the material damaging pipeline fitting, seamlessly transit between inclined-plane and head body and be namely processed into fillet and can play good guide effect, good flange effect and better uniformity can be obtained.In the present embodiment, the gradient (angle namely between inclined-plane and horizontal plane) on inclined-plane should be less than 10 degree.
Preferably, as a kind of embodiment, described first most advanced and sophisticated 121 and described second tip 122 be symmetrical arranged, and described first most advanced and sophisticated 121 is identical with the shape at described second tip 122, structure; The outer surface at described first tip 121 is arcwall face.This is level and smooth in order to ensure the bore edges formed in rotary course, impulse-free robustness.
Preferably, as a kind of embodiment, described head body is cylindrical.Columniform head body is convenient to be manufactured and installs, and facilitates rotation process simultaneously.
As a kind of preferred application, see Fig. 5, the present invention also provides a kind of boring flange tooling, and it comprises horizontal drive mechanism 200, upright driving mechanism 300, rotary drive mechanism 400, electric control system and transmission connecting rod mechanism 500 and the cutter head described in above any embodiment 100; Described cutter head 100 is arranged on described transmission connecting rod mechanism 500, and described horizontal drive mechanism 200 can drive the horizontal movement of described transmission connecting rod mechanism 500, and described upright driving mechanism 300 can drive described transmission connecting rod mechanism 500 to move both vertically; Described rotary drive mechanism 400 can drive described transmission connecting rod mechanism 500 to horizontally rotate; Described electric control system is for controlling described horizontal drive mechanism 200, described upright driving mechanism 300 and described rotary drive mechanism 400.
In the present embodiment by control cutter head vertical, move horizontally, make cutter head rotate simultaneously, adopt electric control system to carry out keyhole flange tooling simultaneously, boring, the merging of overturning process and automated production can be realized like this; Obtain good flange effect and stability, the flange uniformity made is good simultaneously; Moreover the boring flange tooling in the present embodiment is easy to use, applicability is wide, can the pipeline fitting of processed complex deformation.
Preferably, the distance between two sidewalls of described groove 111 is greater than the thickness of workpiece to be added.So just can make the good flange of uniformity.
Preferably, described boring flange tooling also comprises for the cutter head quick-changing mechanism 600 according to different processing request Quick changing cutter.Cutter head quick-changing mechanism in the present embodiment can be the clamping structure in common machining apparatus, and the present embodiment is not repeating.
Preferably, the described horizontal drive mechanism 200 in the present embodiment comprises horizontal cam structure and horizontal drive motor, and described upright driving mechanism 300 comprises vertical cam structure and vertical drive motors, and described rotary drive structure 400 is rotary drive motor.Long horizontal drive motor, the vertically drive motors of the present embodiment is all connected with electric control system with rotary drive motor, realizes motor speed and the control to turn to etc.Horizontal cam structure in the present embodiment and vertical cam structure are prior art, and the present embodiment is not repeating.
The present invention also provides a kind of boring method for flanging using above-mentioned boring flange tooling, comprises the steps:
S100: need to install cutter head according to processing; Suitable cutter head is selected in the aperture processed according to actual needs in this step;
S200: place work piece;
S300: setting machined parameters; Parameter comprises thick, the aperture of material, man-hour etc.;
S400: perform process;
S500: withdrawing, completes processing.
Preferably, step S400 also comprises the steps:
S401: upright driving mechanism drives cutter head to decline until surface of the work to be added of fitting;
S402: rotary drive mechanism drives cutter head to be rotated in through hole workpiece to be added cutting out pre-sizing; The schematic diagram of step S401 and step S402 is see Fig. 6;
S403: upright driving mechanism drives cutter head to continue to decline until the groove on cutter head aligns with the sidewall of the through hole of workpiece to be added;
See Fig. 7, S404: horizontal drive mechanism drives described cutter head to move horizontally, and now the sidewall of the through hole of workpiece to be added snaps in the groove of described cutter head;
See Fig. 8, rotary drive mechanism and upright driving mechanism acting in conjunction drive on rotation limit, cutter head limit and rise, and can process flanging bore on workpiece to be added.
Boring flange tooling of the present invention is stronger relative to the boring flange processing mode versatility of conventional tube part with boring method for flanging, do not limit by pipeline deformation, product percent of pass comparatively manual production promotes 20%, processing stability is higher, can reach flange height h is 1 ± 0.1mm, and flanging bore thickness L is 0.8-1mm; Boring and overturning process merge, and have the effect of personnel reduction and enlargement.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claim.
Claims (10)
1. a cutter head, is characterized in that, described cutter head comprises head body and working end, and described working end is cutting-edge structure; The outer surface of described head body is provided with groove.
2. cutter head according to claim 1, is characterized in that, described working end comprises first most advanced and sophisticated and the second tip, and described head body and described working end form a Y type cutter head, and the angle between described first tip and the second tip is acute angle.
3. cutter head according to claim 1, is characterized in that, described groove is projected as rectangle, the bottom of wherein said groove and horizontal plane on described head body, and two sidewalls of described groove all and plane-parallel.
4. cutter head according to claim 1, it is characterized in that, the bottom of described groove and horizontal plane, the sidewall away from described working end of described groove and plane-parallel, the sidewall of described groove near described working end is inclined-plane, the outer surface smoother transition of described inclined-plane and described head body.
5. a boring flange tooling, is characterized in that, comprise horizontal drive mechanism, upright driving mechanism, rotary drive mechanism, electric control system and transmission connecting rod mechanism and the cutter head described in Claims 1-4 any one;
Described cutter head is arranged on described transmission connecting rod mechanism, and described horizontal drive mechanism can drive described transmission connecting rod mechanism horizontal movement, and described upright driving mechanism can drive described transmission connecting rod mechanism to move both vertically; Described rotary drive mechanism can drive described transmission connecting rod mechanism to horizontally rotate;
Described electric control system is for controlling described horizontal drive mechanism, described upright driving mechanism and described rotary drive mechanism.
6. boring flange tooling according to claim 5, is characterized in that, the distance between two sidewalls of described groove is greater than the thickness of workpiece to be added.
7. boring flange tooling according to claim 5, is characterized in that, described boring flange tooling also comprises for the cutter head quick-changing mechanism according to different processing request Quick changing cutter.
8. boring flange tooling according to claim 5, it is characterized in that, described horizontal drive mechanism comprises horizontal cam structure and horizontal drive motor, and described upright driving mechanism comprises vertical cam structure and vertical drive motors, and described rotary drive structure is rotary drive motor.
9. a boring method for flanging, is characterized in that, uses the boring flange tooling described in claim 5 to 8 any one; Comprise the steps:
S100: need to install cutter head according to processing;
S200: place work piece;
S300: setting machined parameters;
S400: perform process;
S500: withdrawing, completes processing.
10. boring method for flanging according to claim 9, is characterized in that,
Described step S400 performs process and comprises the steps:
S401: upright driving mechanism drives cutter head to decline until surface of the work to be added of fitting;
S402: rotary drive mechanism drives cutter head to be rotated in through hole workpiece to be added cutting out pre-sizing;
S403: upright driving mechanism drives cutter head to continue to decline until the groove on cutter head aligns with the sidewall of the through hole of workpiece to be added;
S404: horizontal drive mechanism drives described cutter head to move horizontally, and now the sidewall of the through hole of workpiece to be added snaps in the groove of described cutter head;
S405: rotary drive mechanism and upright driving mechanism acting in conjunction drive on rotation limit, cutter head limit and rise, and can process flanging bore on workpiece to be added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729477.9A CN104741928A (en) | 2013-12-25 | 2013-12-25 | Tool bit, drilling and flanging tool and drilling and flanging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729477.9A CN104741928A (en) | 2013-12-25 | 2013-12-25 | Tool bit, drilling and flanging tool and drilling and flanging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104741928A true CN104741928A (en) | 2015-07-01 |
Family
ID=53582486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310729477.9A Pending CN104741928A (en) | 2013-12-25 | 2013-12-25 | Tool bit, drilling and flanging tool and drilling and flanging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104741928A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592038A (en) * | 1967-07-11 | 1971-07-13 | Leo Larikka | Tool and/or machine tool to work a hole and its flange into a wall for a branch pipe to be attached to the wall |
| US4719780A (en) * | 1985-10-04 | 1988-01-19 | G.A. Serlachius Corp. | Tool point and its working method and tool for making and flanging a hole |
| JPH09174488A (en) * | 1995-12-25 | 1997-07-08 | Isao Shoda | Disk body forming tool and formation thereof |
| CN101277796A (en) * | 2005-08-30 | 2008-10-01 | 手工工具公司 | Low friction hole punch element |
| CN101693303A (en) * | 2009-09-24 | 2010-04-14 | 江苏贝德莱特太阳能科技有限公司 | Drilling flanging machine |
| CN201524821U (en) * | 2009-10-28 | 2010-07-14 | 宁波市鄞州亚大汽车管件有限公司 | Tube wall drilling and flanging device |
| CN203254483U (en) * | 2012-07-03 | 2013-10-30 | 日立金属株式会社 | Cylindrical punch knife |
| CN203804555U (en) * | 2013-12-25 | 2014-09-03 | 珠海格力电器股份有限公司 | Tool bit and drilling flanging tool |
-
2013
- 2013-12-25 CN CN201310729477.9A patent/CN104741928A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592038A (en) * | 1967-07-11 | 1971-07-13 | Leo Larikka | Tool and/or machine tool to work a hole and its flange into a wall for a branch pipe to be attached to the wall |
| US4719780A (en) * | 1985-10-04 | 1988-01-19 | G.A. Serlachius Corp. | Tool point and its working method and tool for making and flanging a hole |
| JPH09174488A (en) * | 1995-12-25 | 1997-07-08 | Isao Shoda | Disk body forming tool and formation thereof |
| CN101277796A (en) * | 2005-08-30 | 2008-10-01 | 手工工具公司 | Low friction hole punch element |
| CN101693303A (en) * | 2009-09-24 | 2010-04-14 | 江苏贝德莱特太阳能科技有限公司 | Drilling flanging machine |
| CN201524821U (en) * | 2009-10-28 | 2010-07-14 | 宁波市鄞州亚大汽车管件有限公司 | Tube wall drilling and flanging device |
| CN203254483U (en) * | 2012-07-03 | 2013-10-30 | 日立金属株式会社 | Cylindrical punch knife |
| CN203804555U (en) * | 2013-12-25 | 2014-09-03 | 珠海格力电器股份有限公司 | Tool bit and drilling flanging tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103231247B (en) | A kind of turntable type multi-head numerical control drilling and tapping machine tool | |
| CN110293252B (en) | Machining method for stable closed-angle structure | |
| CN203804555U (en) | Tool bit and drilling flanging tool | |
| CN112222497B (en) | Method for processing large conical adapter space curved surface on three-axis linkage milling machine | |
| CN102744622A (en) | Clamp for quickly clamping and positioning cylindrical components | |
| CN203751374U (en) | Numerical-control hole-drilling chamfering machine | |
| CN104460500A (en) | Machining method of special-shaped arc | |
| CN204277663U (en) | A kind of horizontal four-axis interlock machining center | |
| CN105127465B (en) | A kind of borehole processing method of angular bit mould | |
| CN104741928A (en) | Tool bit, drilling and flanging tool and drilling and flanging method | |
| CN104972156A (en) | Numerically-controlled drilling and chamfering machine | |
| KR100978357B1 (en) | Apparatus For Removing Burr On Edges Of Pipe | |
| CN104440522A (en) | Polishing head used for polishing machine part | |
| CN103567836A (en) | Method and equipment for manufacturing windshield wiper rubber strip die cavity plate | |
| CN105499671A (en) | Triaxial numerical control milling method for inner surface of bending pipe | |
| CN204524781U (en) | A kind of piston in combination machining tool | |
| CN106735321A (en) | Workpiece edge machining tool and method | |
| CN202087841U (en) | High-speed automatic chamfering machine | |
| CN202591639U (en) | Finishing tool used for annular wire chases on electromagnetic brake dead plate | |
| CN206382847U (en) | Car door shaped steel hinge manufacturing equipment | |
| CN211762653U (en) | A glass cnc engraving and milling machine cutter for grinding glass | |
| CN205218085U (en) | Cutter of inner chamber facing suitable for horizontal through -hole has | |
| CN204397034U (en) | A kind of lathe for machining turning round drive shell | |
| CN214236290U (en) | A processingequipment for gravure printing roller | |
| CN206527533U (en) | A kind of inclined hole processing access tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |