CN104139208A - Semi-honeycomb steel strip shaping and cutting off machine ensuring evenness of forced convection flow field - Google Patents
Semi-honeycomb steel strip shaping and cutting off machine ensuring evenness of forced convection flow field Download PDFInfo
- Publication number
- CN104139208A CN104139208A CN201410383695.6A CN201410383695A CN104139208A CN 104139208 A CN104139208 A CN 104139208A CN 201410383695 A CN201410383695 A CN 201410383695A CN 104139208 A CN104139208 A CN 104139208A
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- shaping
- pressing plate
- cutting
- top board
- guide finger
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- 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
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
- B23D31/04—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines for trimming stock combined with devices for shredding scrap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/08—Press-pads; Counter-bases; Hold-down devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Punching Or Piercing (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a semi-honeycomb steel strip shaping and cutting off machine ensuring the evenness of a forced convection flow field. The semi-honeycomb steel strip shaping and cutting off machine comprises a top plate and a bottom plate, wherein the top plate and the bottom plate are horizontally arranged and are fixedly connected through a plurality of guide columns, and the guide columns are perpendicular to the top plate and the bottom plate. A press plate parallel to the top plate and the bottom plate is arranged between the top plate and the bottom plate, guide sleeves fixedly connected with the press plate are arranged on the press plate, the guide sleeves are in sliding fit with the guide columns through guide holes, a lower rack is arranged on the bottom plate, an upper rack is arranged on the press plate, the upper rack is meshed with the lower rack in a tooth shape when the press plate moves to the bottommost position, and the semi-honeycomb steel strip shaping and cutting off machine is provided with a press plate driving mechanism. According to the technical scheme, the tooth shape of a steel strip is accurately shaped, and the equipment shaping precision is high. The shaping work and the cutting off work are combined on one machine to be completed, shaping and cutting off can be conducted respectively or simultaneously through adjustment, and the semi-honeycomb steel strip shaping and cutting off machine is simple in structure and convenient to use and adjust.
Description
Technical field
The invention belongs to the technical field of Mechanical Product's Machining technique, relate to Mechanical Product's Machining equipment, more particularly, the present invention relates to a kind of half cellular steel band shaping, cutting machine of guaranteeing forced convection even flow field.
Background technology
In recent years, along with the domestic and international construction demand for high-speed wind tunnel, have that windage is little, even flow field, and the ventilation window being made up of honeycomb metal structure application is more and more.This cellular vent window is called as honeycomb window.
As shown in Fig. 8, Fig. 9 and Figure 10, honeycomb window is made up of housing 14 and cellular board 15.
As required, these windows are made up of the different hexagon cellular shape grid of size, and grid material is that about 0.1mm left and right is thick, the soft magnetism steel band that 13mm left and right is wide or special stainless steel band.The precision of size of mesh opening directly affects the product quality of cellular board.Shearing in frock, shaping, the welding degree of accuracy, the burr occurring in cutting action, gap, spatter etc. all will determine the performance of product.Because the required precision of cellular board product is high, therefore must use special high-accuracy equipment.
The process sequence that cellular board is produced is:
Soft magnetism steel band is cut into the narrow steel strip of normal width;
Narrow steel strip is rolled into half cellular tooth bar;
Tooth bar shaping measured length are cut off;
Half cellular rack welding is become to cellular board;
Cellular board is cut to size;
By cellular board pack into frame and with its welding.
The produced in series equipment of cellular board is mainly divided into: the equipment such as steel band shearing, half honeycomb gear hobbing moulding, half honeycomb tooth bar shaping cut-out, cellular board welding, cellular board cutting and observation window welding fabrication.
Due to the particularity of cellular board production technology, home and abroad is all without the introduction of this type of production equipment.
The half cellular steel band rolling out with half cellular steel band gear-hobbing machine is as shown in Fig. 1 (before shaping).Owing to being gear hobbing moulding, accurately all there is error at interior angle and exterior angle except size dimension to have caused half hexagon.Meanwhile, the angular vertex place that the technique of gear hobbing moulding has also determined half hexangle type is with very little circular arc.Below fine error in shape will directly affect its properties of product after cellular board moulding.
In addition, before being welded into cellular board, half cellular steel band needs as requested steel band to be cut into measured length.
Comprehensive above requirement, need to carry out shaping and cut-out with double cellular steel band of special installation.This special shaping, cut-out equipment also do not have matured product to occur on market at present, do not have corresponding technical scheme open yet.
Summary of the invention
The invention provides a kind of half cellular steel band shaping, cutting machine of guaranteeing forced convection even flow field, its objective is quality and the production efficiency of the product that improves cellular board.
To achieve these goals, the technical scheme that the present invention takes is:
Half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field of the present invention, comprises horizontally disposed top board and base plate, and described top board is fixedly connected with by many leads with base plate, and described lead is vertical with base plate with top board;
Between described top board and base plate, the pressing plate that setting is parallel with base plate with top board;
The fairlead being fixedly connected with it is set on described pressing plate; Described fairlead is formed and is slidably matched by pilot hole and described lead;
Lower tooth bar is set on described base plate; On described pressing plate, upper rack is set; In described presser motion, to the state of lowest position, described upper rack engages with lower tooth bar profile of tooth;
Described shaping, cutting machine are provided with pressing plate driving mechanism.
Described pressing plate driving mechanism is: the upper surface at top board is fixedly installed cylinder, and the piston rod of described cylinder is passed down through top board, and the end of this piston rod is fixedly connected with pressing plate by cylinder connector.
The end of described pressing plate arranges cutting knife, and the end of described cutting knife and lower tooth bar forms the edge of a knife.
The guide finger being fixedly connected with it is set on described upper rack; Described pressing plate is provided with guide finger lining; The endoporus of the epimere of described guide finger and guide finger lining forms and is slidably matched; The upper end of described guide finger is provided with dome, and protruding diameter of a circle is greater than the endoporus aperture of guide finger lining; Between described pressing plate and upper rack, pocketed springs on described guide finger, described spring is Compress Spring; Under the effect of spring, described upper rack and pressing plate are at a distance of a segment distance, and the cutting edge of described cutting knife is higher than the lower bead of upper rack.
The present invention adopts technique scheme, utilizes the tooth bar theory of engagement, participate in the process of engagement at semi-hexagon shape steel band, and accurately shaping steel band profile of tooth, equipment plastic precision is high; According to the semi-hexagon shape steel band shaping reason consistent with the locate mode of steel strip cutting, shaping work is combined on an equipment and is completed with cut-out working group; Through adjusting, can make shaping and cut off and carry out respectively, also can make shaping and cut off and carry out simultaneously; Simple in structure, use easy to adjust.
Brief description of the drawings
In content shown in accompanying drawing and figure, mark is as follows:
Fig. 1 is the structural representation before half cellular steel band shaping of the present invention;
Fig. 2 is the structural representation after half cellular steel band shaping of the present invention;
Fig. 3 is shaping of the present invention, cutting machine structural representation;
Fig. 4 is the structural representation of the amplification at A place in Fig. 3;
Fig. 5 is the structural representation of the amplification at B place in Fig. 3;
Fig. 6 is the right view of structure shown in Fig. 3;
Fig. 7 is the structural representation that in Fig. 3, amplify at guide finger and bush structure place.
Fig. 8 is the front view of honeycomb window;
Fig. 9 is the top view of structure shown in Fig. 8;
Figure 10 is the local view amplifying of honeycomb.
In figure, be labeled as:
1, cylinder, 2, top board, 3, pressing plate, 4, base plate, 5, cutting knife, 6, upper rack, 7, lower tooth bar, 8, lead, 9, fairlead, 10, cylinder connector, 11, spring, 12, guide finger, 13, guide finger lining, 14, housing, 15, cellular board.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
In order to improve the technical performance of product, need to, to carrying out accurate shaping with the half cellular steel band that half cellular steel band gear-hobbing machine rolls out, reach requirement as shown in Fig. 2 (after shaping).
Tooth Shape Design is just hexagonal half: three tooth length of sides are L, and addendum angle is 60 °.Consider the thickness δ of extrded material, the tooth paddy length of side is: L+2 δ × tan30 °.
By prior art is analyzed, of the present invention to carrying out the equipment of shaping and cut-out, should there is following characteristics and requirement:
1,, in ensureing half hexagonal dimensional accuracy, improve half hexagonal form accuracy; Because the hexagon cellular hole accuracy forming after two and half cellular steel band splicings directly affects the effect of product;
2, improve the acutance of half hexagon corner, eliminate as far as possible corner circular arc;
3, ensure that sheared edge and otch parallel with flute profile direction is without burr, because the burr after moulding affects the effect of product equally.
Half cellular steel band shaping can adopt two kinds of methods: rack-and-pinion roll extrusion and double rack extruding.
Rack-and-pinion roll extrusion shaping device principle is: utilize trapezoidal gear and the intermeshing roll extrusion shaping of tooth bar of homotype.Its advantage is: equipment is simple, in theory can the longer steel band of roll extrusion.Shortcoming: the one, because the engagement of trapezoidal gear is incomplete engagement, particularly crown corner cannot be engaged completely, so cannot eliminate corner circular arc.Shortcoming two is the cut-out work that can not simultaneously complete steel band on this equipment, only has other increase equipment to cut off.
Double rack squeezing shaping equipment principle is: the mutual squeezing shaping of trapezoidal tooth bar that utilizes two homotypes.Its advantage is that shaping effect is good, precision is high, and can on same equipment, complete the cut-out work of steel band.Shortcoming is in order to ensure equipment stiffness, has increased complexity and the volume of equipment.
Comprehensive above pluses and minuses, the present invention draws following inventive concept:
1, adopt double rack extrusion principle design new equipment, guarantee half hexagonal form accuracy, eliminate as far as possible corner circular arc;
2, in view of the locate mode of double cellular steel band of shaping station is identical with cut-out locate mode, can design in completing shaping work, complete cut-out work.
Structure as shown in Fig. 3, Fig. 6, half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field of the present invention, comprise horizontally disposed top board 2 and base plate 4, described top board 2 is fixedly connected with by many leads 8 with base plate 4, and described lead 8 is vertical with base plate 4 with top board 2.
In order to solve the problem of prior art existence and to overcome its defect, realize the quality of product and the goal of the invention of production efficiency that improve cellular board, the technical scheme that the present invention takes is:
As shown in Fig. 3, Fig. 6, half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field of the present invention, between described top board 2 and base plate 4, arranges the pressing plate 3 parallel with base plate 4 with top board 2; The fairlead 9 being fixedly connected with it is set on described pressing plate 3; Described fairlead 9 is formed and is slidably matched by pilot hole and described lead 8; Lower tooth bar 7 is set on described base plate 4; Upper rack 6 is set on described pressing plate 3; Move at described pressing plate 3 under the state of lowest position, described upper rack 6 engages with lower tooth bar 7 profiles of tooth; Described shaping, cutting machine are provided with pressing plate driving mechanism.
Fig. 4 is the schematic diagram that the profile of tooth of upper rack 6 is amplified; Fig. 5 is the schematic diagram that the profile of tooth of lower tooth bar 7 is amplified.
The advantage of technique scheme is: utilize the tooth bar theory of engagement, participate in the process of engagement, accurately shaping steel band profile of tooth at semi-hexagon shape steel band; Equipment plastic precision is high.
Described pressing plate driving mechanism is: be fixedly installed cylinder 1 at the upper surface of top board 2, the piston rod of described cylinder 1 is passed down through top board 2, and the end of this piston rod is fixedly connected with pressing plate 3 by cylinder connector 10.
Adopt cylinder as power source, four guide pillars add ball linear bearing mechanism, ensure the stable of squeezing shaping, have reduced wearing and tearing.
The end of described pressing plate 3 arranges cutting knife 5, and described cutting knife 5 forms the edge of a knife with the end of lower tooth bar 7.
The guide finger 12 being fixedly connected with it is set on described upper rack 6; Described pressing plate 3 is provided with guide finger lining 13; The epimere of described guide finger 12 and the endoporus of guide finger lining 13 form and are slidably matched; The upper end of described guide finger 12 is provided with dome, and protruding diameter of a circle is greater than the endoporus aperture of guide finger lining 13; Between described pressing plate 3 and upper rack 6, pocketed springs 11 on described guide finger 12, described spring 11 is Compress Spring; Under the effect of spring 11, described upper rack 6 is with pressing plate 3 at a distance of a segment distance, and the cutting edge of described cutting knife 5 is higher than the lower bead of upper rack 6.
According to the semi-hexagon shape steel band shaping reason consistent with the locate mode of steel strip cutting, shaping work is combined on an equipment and is completed with cut-out working group; Through adjusting, can make shaping and cut off and carry out respectively, also can make shaping and cut off and carry out simultaneously; Simple in structure, use easy to adjust.
In order to take into account cutting function, the present invention is that upper rack 6 has designed two cover guide finger 12 and guide finger linings 13, and adds shock mount 11 in centre.Like this, in the time that cylinder 1 moves, first upper rack 6 will compress and be shaped half cellular steel band under the effect of spring 11.If at this moment cutting function is activated, cutting knife 5 is cut off half cellular steel band under compacted state.After upper rack 6 overcomes spring force and overlaps with pressing plate 3, upper and lower tooth bar is just by the complete shaping of half cellular steel band.
The right-hand member of pressing plate 3 is designed with the notch with the identical matched in clearance of cutting knife 5 width, has upper and lower two screwed holes in notch.In the time that cutting knife 5 is fixed on upper screwed hole, 5 mouthfuls of cutting knifes do not play shear action above upper rack 6 stepped tooths, and equipment is only done shaping.In the time that cutting knife 5 is fixed on lower screwed hole, cutting knife 5 works, and equipment can be only used as to cut off, also can shaping, cut off use simultaneously.
When equipment is only done the shaping used time, can carry out segmentation shaping for half long cellular steel band.
The concrete scheme of assembling of the present invention and adjustment:
Assembling process of the present invention:
Pack into after four fairleads 9 at the two ends of pressing plate 3, in four fairleads 9, insert respectively four leads 8;
Two ends at lead 8 pack top board 2 and base plate 4 into screw respectively;
Above top board 2, pack cylinder 1 into, then pack cylinder connector 10 at the external part of cylinder 1, the other end of cylinder connector 10 is connected with pressing plate 3 screws;
On pressing plate 3, pack two guide finger linings 13 into;
Get two guide fingers 12 and be inserted in respectively again after a spring 11 through pressing plate 3 from top to bottom, be threaded with upper rack 6; Tooth bar 7 under connecting with screw on base plate 4;
In pressing plate 3 right-hand member grooves, put into cutting knife 5 and be tightened by bolts, finishing equipment assembling.
The method of adjustment of equipment:
1, shaping tooth bar Mesh Clearance Adjustment:
First three screws of the base plate 4 fastening lower tooth bars 7 in the back side are unscrewed, then on lower tooth bar 7, put a half cellular steel band of preparing shaping;
Start source of the gas, allow cylinder 1 drive upper rack 6 to press down and put in place, after observation two tooth bars engagements are intact, three screws of the locking base plate 4 fastening lower tooth bars 7 in the back side.
2, cutting function adjustment:
The present invention is except having shaping feature, and Yet-have has the half-and-half cutting function of cellular steel band.
In the time selecting shaping steel strip cutting, only the installing hole of cutting knife 5 need to be aimed to screwed hole below in pressing plate 3 right-hand member locating slots, see Fig. 3, be tightened by bolts and can.Cutter gap is by designing and process guarantee.
In the time selecting only to steel band shaping and without cutting function, only the installing hole of cutting knife 5 need to be aimed to screwed hole above in pressing plate 3 right-hand member locating slots, see Fig. 3, be tightened by bolts and can.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (4)
1. guarantee half cellular steel band shaping, the cutting machine of forced convection even flow field, comprise horizontally disposed top board (2) and base plate (4), described top board (2) is fixedly connected with by many leads (8) with base plate (4), and described lead (8) is vertical with base plate (4) with top board (2);
It is characterized in that:
Between described top board (2) and base plate (4), the pressing plate (3) parallel with base plate (4) with top board (2) is set;
The upper fairlead (9) being fixedly connected with it that arranges of described pressing plate (3); Described fairlead (9) is formed and is slidably matched by pilot hole and described lead (8);
Lower tooth bar (7) is set on described base plate (4); Upper rack (6) is set on described pressing plate (3); Move under the state of lowest position at described pressing plate (3), described upper rack (6) engages with lower tooth bar (7) profile of tooth;
Described shaping, cutting machine are provided with pressing plate driving mechanism.
2. according to half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field claimed in claim 1, it is characterized in that: described pressing plate driving mechanism is: be fixedly installed cylinder (1) at the upper surface of top board (2), the piston rod of described cylinder (1) is passed down through top board (2), and the end of this piston rod is fixedly connected with pressing plate (3) by cylinder connector (10).
3. according to half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field claimed in claim 1, it is characterized in that: the end of described pressing plate (3) arranges cutting knife (5), described cutting knife (5) forms the edge of a knife with the end of lower tooth bar (7).
4. according to half cellular steel band shaping, the cutting machine of guaranteeing forced convection even flow field claimed in claim 3, it is characterized in that: the upper guide finger (12) being fixedly connected with it that arranges of described upper rack (6); Described pressing plate (3) is provided with guide finger lining (13); The epimere of described guide finger (12) and the endoporus of guide finger lining (13) form and are slidably matched; The upper end of described guide finger (12) is provided with dome, and protruding diameter of a circle is greater than the endoporus aperture of guide finger lining (13); Between described pressing plate (3) and upper rack (6), the upper pocketed springs (11) of described guide finger (12), described spring (11) is Compress Spring; Under the effect of spring (11), described upper rack (6) is with pressing plate (3) at a distance of a segment distance, and the cutting edge of described cutting knife (5) is higher than the lower bead of upper rack (6).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383695.6A CN104139208B (en) | 2014-08-06 | 2014-08-06 | Guarantee half cellular steel band shaping, the cutting machine of forced convection even flow field |
| CN201510894848.8A CN105382543B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510897805.5A CN105397177B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the assembly method of cutting machine of forced convection even flow field |
| CN201510894862.8A CN105364169B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510897803.6A CN105345479B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the method for adjustment of cutting machine of forced convection even flow field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383695.6A CN104139208B (en) | 2014-08-06 | 2014-08-06 | Guarantee half cellular steel band shaping, the cutting machine of forced convection even flow field |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894848.8A Division CN105382543B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510894862.8A Division CN105364169B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510897805.5A Division CN105397177B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the assembly method of cutting machine of forced convection even flow field |
| CN201510897803.6A Division CN105345479B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the method for adjustment of cutting machine of forced convection even flow field |
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| CN104139208A true CN104139208A (en) | 2014-11-12 |
| CN104139208B CN104139208B (en) | 2016-05-25 |
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| CN201510897805.5A Active CN105397177B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the assembly method of cutting machine of forced convection even flow field |
| CN201510894848.8A Active CN105382543B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510894862.8A Active CN105364169B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201410383695.6A Active CN104139208B (en) | 2014-08-06 | 2014-08-06 | Guarantee half cellular steel band shaping, the cutting machine of forced convection even flow field |
| CN201510897803.6A Active CN105345479B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the method for adjustment of cutting machine of forced convection even flow field |
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| CN201510897805.5A Active CN105397177B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the assembly method of cutting machine of forced convection even flow field |
| CN201510894848.8A Active CN105382543B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
| CN201510894862.8A Active CN105364169B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the cutting machine of forced convection even flow field |
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| CN201510897803.6A Active CN105345479B (en) | 2014-08-06 | 2014-08-06 | Ensure half honeycomb strip shaping, the method for adjustment of cutting machine of forced convection even flow field |
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| CN106141288A (en) * | 2015-03-16 | 2016-11-23 | 江苏雨燕模塑有限公司 | Auto parts machinery automatic cutter |
| CN107813170A (en) * | 2017-11-06 | 2018-03-20 | 无锡鹰贝精密轴承有限公司 | Valve element milling sulculus quick clamping tool |
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| CN106141288B (en) * | 2015-03-16 | 2019-01-01 | 江苏雨燕模塑有限公司 | Automobile parts automatic cutter |
| CN107813170A (en) * | 2017-11-06 | 2018-03-20 | 无锡鹰贝精密轴承有限公司 | Valve element milling sulculus quick clamping tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105364169A (en) | 2016-03-02 |
| CN105397177A (en) | 2016-03-16 |
| CN105397177B (en) | 2017-11-24 |
| CN105345479B (en) | 2017-11-21 |
| CN105382543B (en) | 2017-11-21 |
| CN105382543A (en) | 2016-03-09 |
| CN104139208B (en) | 2016-05-25 |
| CN105364169B (en) | 2018-01-09 |
| CN105345479A (en) | 2016-02-24 |
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