CN100409987C - Circular saw assembly for cutting metal plates - Google Patents
Circular saw assembly for cutting metal plates Download PDFInfo
- Publication number
- CN100409987C CN100409987C CNB028261526A CN02826152A CN100409987C CN 100409987 C CN100409987 C CN 100409987C CN B028261526 A CNB028261526 A CN B028261526A CN 02826152 A CN02826152 A CN 02826152A CN 100409987 C CN100409987 C CN 100409987C
- Authority
- CN
- China
- Prior art keywords
- circular saw
- saw blade
- sliding support
- shell
- cutting
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
-
- 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
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/02—Devices for lubricating or cooling circular saw blades
-
- 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
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/005—Vibration-damping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A circular saw assembly for cutting metal plates without shaking even at a high-speed rotation includes a circular saw blade (200) rotating at a high speed by a rotary shaft to cut the metal plates, a casing (110, 111) for covering and supporting the circular saw blade (200) so that the circular saw blade (200) is partially exposed outside, at least one sliding support (130) mounted at an inner side of the casing (110, 111) to contact both sides of the circular saw blade (200), a through hole (131) being formed at the sliding support (130) to discharge lubricant supplied through a lubricant pipe (50a) to a surface contacted with the circular saw blade (200), and a biasing means mounted to the casing (110, 111) for biasing the sliding support (130) to pressurize the circular saw blade (200).
Description
Technical field
The present invention relates to a kind of annular saw (circular saw) device that is used for the cutting metal plate, relate in particular to a kind of like this annular saw device, by utilizing offset assembly (biasing means) applied pressure to support circular saw blade,, this annular saw device can not shake even can rotating at a high speed when the cutting metal plate yet.
Background technology
At present, generally use band sawing machine or oxygen cutting method to cut metal material such as steel plate.Band sawing machine comes cutting metal material by moving the band saw that is driven by the pulley rotation.The advantage of this band sawing machine is curvilinear cut, but acquires a certain degree of difficulty through the stainless steel of overcure quenching technical or steel alloy with high rigidity for cutting.In addition, because its cutting speed is low excessively, band saw also is not suitable for being used for the cutting metal plate.
Oxygen cutting is to utilize the oxidation reaction of metal to its method of cutting.When injecting highly purified high pressure oxygen after with the pre-thermometal of general 800～900 ℃ oxy arc, metal will become iron oxide owing to burning suddenly.The fusing point of iron oxide is lower, and therefore the oxygen that injects has been realized the cutting to metal in the fusing iron oxide.Yet, because this oxygen cutting method needs chemical reaction as above, will produce following problem sometimes, that is, in cutting stainless steel or aluminium, can produce and have dystectic chromium oxide (Cr that is difficult for being cut
2O
3) or aluminium oxide.And, under the situation of carbon steel, so because carbon steel can hardening also need extra softening processing in cutting process, and this is very inconvenient.
At first, under the situation that adopts band saw and oxygen cutting, because can make 3～5 millimeters of the thickness losses of motherboard in the cutting process, and its rough cutting section need be handled with polishing through subsequent chemistry, and reserve at least 10～15 millimeters for the polishing operation, this is too many for the loss of material.
Can use the method for circular saw blade (circular saw blade) as another cutting metal material.The point of a knife of this circular saw blade is by having good cutting power and anti abrasive tungsten carbide is made, and its cutting speed can be up to about 90～150 meters/minute.Yet because the defective of machinery and configuration aspects, therefore conventional circular saw blade can not be used for cutting large-scale metallic plate, but is used for cutting the part of various parts, for example rail, annular bar, steel pipe etc.In order to use conventional circular saw blade cutting metal plate, circular saw blade should be made and need be furnished with and be used for absorbing and be adjusted in the vibration that produces inevitably in the cutting process or the large-scale damper (reducer) of vibrations by special material.But even so, conventional circular saw blade still can not guarantee the stability of durability and work, therefore is easy to wear out and fracture.
Summary of the invention
The present invention designs for these problems that overcome prior art.An object of the present invention is to provide a kind of improved annular saw device, it by utilizing offset assembly (biasing means) thus the two sides of the circular saw blade of firm support rotation cutting cutting metal plate fast and like a cork.
For achieving the above object, the invention provides a kind of annular saw device that is used for the cutting metal plate, comprising: circular saw blade, it rotates at a high speed under the drive of rotating shaft with the cutting metal plate; Shell is used for hiding and supports described circular saw blade so that outside its part is exposed to; Sliding support, it is installed on the inboard of described shell, with the contact both sides of described circular saw blade; Through hole, it is formed on the described sliding support, and the lubricant that is used for providing by lubricant tube is disposed to and the contacted surface of described circular saw blade; And be installed on the device that being used on the described shell exert pressure to described circular saw blade by making the skew of described sliding support.
Preferably, described offset assembly can only be installed on a side of described circular saw blade.
In addition, described offset assembly can comprise that the cylinder body (cylinder block) of the hydraulic pressure that provided by hydraulic pump is provided to be installed on being used on the described shell; And be installed on the movable member that being used on the described cylinder body move at preset distance, wherein, when described hydraulic pressure offers described movable member, described movable member by exerting pressure so that the skew of described sliding support.
In another embodiment, described offset assembly can comprise elastic component, and it is used for by exerting pressure so that described sliding support is offset towards described circular saw blade.
At this moment, described offset assembly may further include adjustment screw, and it is screwed into the screwed hole that is formed on the described shell, in order to regulate the elasticity of described elastic component.
In above-mentioned structure, described shell can comprise hard-wired fixed housing and the covering shell that combines by articulated mounting and described fixed housing.
And, air jet system preferably is installed on the described shell, provide air in order to cutting part to metallic plate.
According to of the present invention, it can adopt conventional circular saw blade, and can guarantee better durability and job stability.
Description of drawings
Can better explain these and other feature of the present invention, aspect and advantage by following detailed description, claims and accompanying drawing, the identical member in the accompanying drawing is referred to by identical reference marker.In the accompanying drawings:
Fig. 1 is the outward appearance schematic perspective view that adopts the cutter sweep of the described annular saw device of the preferred embodiment of the present invention;
Fig. 2 is the exploded perspective view according to the part of the described annular saw device of the preferred embodiment of the present invention;
Fig. 3 is the side sectional view according to the part of the described annular saw device of the preferred embodiment of the present invention;
Fig. 4 is the side sectional view according to the described annular saw device of another embodiment of the present invention; And
Fig. 5 is the side sectional view according to the described annular saw device of further embodiment of this invention;
The specific embodiment
Hereinafter, with reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Fig. 1 shows the schematic appearance of the cutter sweep that adopts the described annular saw device of the preferred embodiment of the present invention.With reference to Fig. 1, this cutter sweep comprises the workbench 10 as the pedestal of whole fuselage, and is installed on the guide support 20 on the described workbench 10.
And, the cutter sweep in the present embodiment can have by hydraulic tube 40a to described annular saw device 100 provide hydraulic pressure hydraulic pump 40, provide the lubricant supply pump 50 of lubricant and the air supply pump 60 that pressure-air is provided to air jet system 80 by air hose 60a by lubricant tube 50a.
The fixed station 11 that is placed on the workbench 10 provides a place, and metallic plate to be cut is just placed thereon.This fixed station 11 is with movable fixed part 12 fixing and support metal plates.Movable fixed part 12 preferably moves back and forth under the driving of cylinder (cylinder) 13, to fix or loosen metallic plate to be cut.
Can form hole 10a on the position below workbench 10 is positioned at annular saw device 100, the waste material that produces in the cutting process just can fall and can not be piled up on the workbench by hole 10a like this.
According to annular saw device 100 of the present invention the circular saw blade 200 that is used to rotate the cutting metal plate is housed, it can see more in detail in Fig. 2.With reference to Fig. 2, comprise the shell of forming by a pair of covering shell 100 and fixed housing 111 according to the described annular saw device of the preferred embodiment of the present invention.Shell 110,111 connects by pivot (hinge) 112, wherein, preferably fixed housing 111 firmly is fixed in the main body of cutter sweep, and will hides shell 110 with screw by combination bore 113 and link together, can open to guarantee it with fixed housing 111.Hide shell and fixed housing though shell is divided into by explanation, this is a preferred embodiment, should not be limited.Should be understood that also and can substitute above-mentioned shell with any shell that can hide and support circular saw blade 200.
In shell 110,111, circular saw blade 200 is installed in the rotating shaft 120, and the end of circular saw blade (preferably its lower end) exposes below shell 110,111 as described below to contact with metallic plate to be cut.Circular saw blade 200 is preferably made by for example carbide alloy.As shown in Figure 1, rotating shaft 120 links to each other with the axle of drive motors 30 by conveyer belt 32, thereby receives rotatory force.Though do not illustrate in the accompanying drawings, the rotatory force that drive motors 30 produces can be sent to rotating shaft 120 by another kind of power transmission (as gear transmission chain or pulley).
Described according to a preferred embodiment of the invention, the annular saw device is furnished with contact and supports the sliding support 130 of a side of circular saw blade 200.Sliding support 130 is preferably also made by carbide alloy, and being configured among Fig. 3 of it is clearly shown that.
In conjunction with reference to Fig. 3, in practical operation, sliding support 130 is installed on the inboard that hides shell 110 and fixed housing 111 respectively, so that the both sides of contact and support circular saw blade 200.
Be formed with the passage 132 that circulates for lubricant in the inside of sliding support 130.This passage 132 be formed at sliding support 130 lip-deep through holes 131 and communicate.Therefore, when sliding support 130 contacts with circular saw blade 200, the lubricant of being supplied with by lubricant tube 50a by lubricant supply pump 50 passage 132 of flowing through flows out through through hole 131 then, reduces frictional force between sliding support 130 and the circular saw blade 200 with this.For supply of lubricant, lubricant tube 50a upwards links to each other with the inside of sliding support 130 by the hole 110a that is formed on the shell 110,111.
According to the present invention, sliding support 130 exerts pressure to contact with a side of circular saw blade 200 by offset assembly (biasing means).This offset assembly is exemplarily shown in Figure 3.
As shown in Figure 3, offset assembly can be the hydraulic cylinder 140 that combines with sliding support 130.More particularly, hydraulic cylinder 140 comprises cylinder body (cylinder block) 141, and it has the inner space wherein provides hydraulic pressure to be used to; And movable member 142, its size according to hydraulic pressure moves back and forth in predetermined distance.The inner space of cylinder body 141 links to each other with hydraulic pump 40 by hydraulic tube 40a, bears the hydraulic pressure from hydraulic pump thus.Therefore, if hydraulic pressure is supplied to cylinder body 141, then movable member 142 can be exerted pressure so that it relies on circular saw blade 200 to sliding support 130.
The hydraulic cylinder 140 that plays the offset assembly effect is preferably mounted in the both sides of circular saw blade 200, and more preferably with respect to rotating shaft 120 symmetries.
According to another embodiment of the present invention, offset assembly can be installed on any side of circular saw blade 200.That is to say that as shown in Figure 4, sliding support 130 is equipped with hydraulic cylinders 140 with as offset assembly, and another one sliding support 130 ' is fixed on directly on the shell 111 and be not equipped with hydraulic cylinder.But, exert pressure to circular saw blade 200 owing to be installed on the hydraulic cylinder 140 of a side, so present embodiment can obtain the effect identical with previous embodiment.In the aforementioned embodiment, two hydraulic cylinders are provided to the both sides of circular saw blade.
Referring again to Fig. 2, shell 110,111 is furnished with air jet system 80, in order to will be injected into cutting part by jet pipe (inject pipe) 81 by the pressure-air of air supply pipe 60a supply when utilizing circular saw blade 200 cutting metal plates.The air that sprays both can play the effect of cooling cutting part, also can play the effect of the waste material that is produced when removing cutting.
Now explanation utilization has the metallic plate cutting process that the as above annular saw device of the present invention of structure carries out.
At first, metallic plate (not shown) to be cut is positioned on the fixed station 11 of workbench 10.Drive cylinder 13 then with promotion movable fixed part 12, thereby reach the purpose of fixed metal plate.
In this state, the workman is control operating rate or speed on control panel 70 as required, operates cutter sweep then.Then, drive motors 31 begins rotation, and by driving-belt 32 rotatory force is passed to rotating shaft (120 among Fig. 2), thereby makes circular saw blade 200 rotation at a high speed.
Simultaneously, if provide cylinder body 141 to hydraulic cylinder 140 by hydraulic tube 40a from hydraulic pump 40 with hydraulic pressure, then movable member 142 can advance under the effect of hydraulic pressure, thereby sliding support 130 is pressed to circular saw blade 200.Preferably, hydraulic pressure can critically be adjusted automatically.
In addition, lubricant is supplied to passage 132 sliding support 130 from lubricant supply pump 50 by lubricant tube 50a, and via through holes 131 flows out to the friction surface between sliding support 130 and the circular saw blade 200.Therefore, though sliding support 130 is exerted pressure the rotation that circular saw blade 200 still can be level and smooth by contact to circular saw blade.
In addition, air supply pump 60 is supplied with pressure-air by air hose 60a to air jet system 80, and then, this pressure-air is injected into cutting part by jet pipe 81, to reach the purpose of cooling cutting material and removal cutting waste material.
In this state, cutter unit 30 slowly moves along guide support 20, and 200 pairs of metallic plates of circular saw blade cut.
Fig. 5 shows another embodiment of the present invention, has wherein described another example of offset assembly.With reference to Fig. 5, the elastic component 142 ' of offset assembly utilization such as the spring in the present embodiment makes sliding support 130 skews to circular saw blade 200.
More preferably, this offset assembly is formed with screwed hole 110 ' a on covering shell 110 ', and has the set screw 141 ' of integrating with screwed hole 110 ' a.In this structure, can adjust the elasticity of elastic component 142 ' by rotation set screw 141 '.
Reference marker 143 ' has been represented an elastic component guide rod (guide), and it is mounted by inserting elastic component 142 ', is used to guide elastic component 142 ' in case it is offset.
Industrial applicibility
Above described annular saw device of the present invention in detail.But, described the preferred embodiment of invention though should be understood that above-mentioned detailed description and object lesson, they are illustrative.For a person skilled in the art, various conversion of being made within the spirit and scope of the present invention and modification all should be conspicuous.
For example, though cutter unit 30 is described as and is installed on the workbench 10 in an embodiment, cutter unit 30 also can be installed under the workbench 10 or be integrally inserted in the frame of forming workbench.
Circular saw assembly according to the present invention may easily and cutting metal plate promptly, because the local stress that concentrates on the circular saw blade in cutting metal plate process can spread on the sliding support, and this sliding support can also firmly support circular saw blade, has so just prevented that saw blade from fractureing owing to the vibration that strengthens and guaranteed job stability.In addition, this job stability can prolong the life-span of annular saw, guarantees that thus annular saw can cut the area above 200,000 square centimeters.
In addition, because the firm support of sliding support, the backlash phenomenon can be eliminated, so the annular saw device does not need large-scale damper.
The inventor finds by test, uses this circular saw blade cutting metal plate only in 2.5 millimeters thickness of material of cutting part loss, and owing to the broadside of circular saw blade with to its firm support, so cutting part has smooth and smooth surface.Therefore, when using annular saw device of the present invention, do not need cutting section is polished, so just solved in the prior art owing to keep the spillage of material problem that the headspace of pending polishing processing causes.
In addition, the waste material that produces in cutting process of the present invention has still kept the character of itself, rather than as oxygen cutting, therefore makes the recycling possibility that becomes of raw material.
Claims (7)
1. annular saw device that is used for the cutting metal plate comprises:
Circular saw blade (200), it rotates at a high speed under the drive of rotating shaft with the cutting metal plate;
Shell (110,111) is used for hiding and supports described circular saw blade (200) so that outside described circular saw blade (200) part is exposed to;
Sliding support (130), it is installed on described shell (110,111) inboard with the contact both sides of described circular saw blade (200), through hole (131), it is formed on the described sliding support (130), and the lubricant that is used for providing by lubricant tube (50a) is disposed to and the contacted surface of described circular saw blade (200); And
Be installed on being used on the described shell (110,111) by making the device of described sliding support (130) skew to exert pressure to described circular saw blade (200).
2. annular saw device according to claim 1 is characterized in that, described offset assembly only is installed on a side of described circular saw blade (200).
3. annular saw device according to claim 1 is characterized in that, described offset assembly comprises:
Cylinder body (141), it is installed on the described shell, is used to obtain the hydraulic pressure that is provided by hydraulic pump; And
Movable member (142), it is installed on the described cylinder body, be used for moving at preset distance, when described hydraulic pressure offers described movable member (142), described movable member (142) by exerting pressure so that described sliding support (130) skew.
4. annular saw device according to claim 1 is characterized in that described offset assembly comprises elastic component (142 '), and it is used for by exerting pressure so that described sliding support (130) is offset towards described circular saw blade (200).
5. annular saw device according to claim 4 is characterized in that described offset assembly further comprises adjustment screw (141 '), and it is screwed into the screwed hole that is formed on the described shell, and (110 ' a), in order to regulate the elasticity of described elastic component (142 ').
6. annular saw device according to claim 1 is characterized in that, described shell comprises hard-wired fixed housing (111) and the covering shell (110) that combines by articulated mounting and described fixed housing (110).
7. annular saw device according to claim 1 is characterized in that, air jet system (80) is installed on the described shell, provides air in order to the cutting part to metallic plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR200187219 | 2001-12-28 | ||
| KR10-2001-0087219A KR100431752B1 (en) | 2001-12-28 | 2001-12-28 | circular saw assembly for cutting steel plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1607986A CN1607986A (en) | 2005-04-20 |
| CN100409987C true CN100409987C (en) | 2008-08-13 |
Family
ID=19717824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028261526A Expired - Fee Related CN100409987C (en) | 2001-12-28 | 2002-01-14 | Circular saw assembly for cutting metal plates |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP4133827B2 (en) |
| KR (1) | KR100431752B1 (en) |
| CN (1) | CN100409987C (en) |
| AU (1) | AU2002225482A1 (en) |
| TW (1) | TW522067B (en) |
| WO (1) | WO2003055630A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007022310A1 (en) * | 2007-05-12 | 2008-11-13 | Arno Friedrichs | Method for producing a circular saw blade having cooling channels |
| KR100912619B1 (en) * | 2007-06-29 | 2009-08-17 | 경북대학교 산학협력단 | Cutting Device |
| KR101020192B1 (en) * | 2008-05-07 | 2011-03-07 | 주식회사 신진에스엠 | Biasing guides and circular saw cutting devices adopting the same |
| DE102009018512A1 (en) * | 2009-04-24 | 2010-10-28 | Trumpf Sachsen Gmbh | Machine method and mechanical arrangement for processing plate-like workpieces, in particular sheet metal |
| CN101829810A (en) * | 2010-05-27 | 2010-09-15 | 张家港和升数控机床制造有限公司 | Sawing device |
| ITRN20120058A1 (en) * | 2012-12-20 | 2014-06-21 | Sica Spa | APPARATUS AND METHOD OF CUTTING TUBES IN THERMOPLASTIC MATERIAL. |
| KR101323870B1 (en) * | 2013-03-07 | 2013-10-30 | 양태한 | Pneumatic cutting device |
| JP6283744B2 (en) * | 2013-11-01 | 2018-02-21 | ポスコＰｏｓｃｏ | Anti-vibration pad, circular saw including the same, and metal plate cutting device |
| KR101485708B1 (en) * | 2013-11-01 | 2015-01-22 | 주식회사 포스코 | Device for cutting metal plate |
| CN103962633B (en) * | 2014-04-14 | 2016-09-14 | 杭州索裕特自动化设备有限公司 | Metal cutting circular sawing machine tool holder system |
| CN104550446B (en) * | 2015-01-14 | 2017-01-04 | 苏州和林微纳科技有限公司 | For reducing the rotary cutting punch of drift shearing force |
| IT201600130126A1 (en) * | 2016-12-22 | 2018-06-22 | Mariano Lovato | DISC SAWING MACHINE |
| CN110369800B (en) * | 2019-08-05 | 2020-08-21 | 汤在英 | Cutting machine used for hardware machining and good in heat dissipation effect |
| KR102208731B1 (en) | 2020-07-09 | 2021-01-27 | 이한근 | Apparatus for cutting metal plates using circular saw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61279422A (en) * | 1985-05-31 | 1986-12-10 | Amada Co Ltd | Apparatus for detecting cut bend amount by band sawing machine |
| CN87202222U (en) * | 1987-02-23 | 1988-02-03 | 北方工业大学 | Sawing apparatus |
| US4854207A (en) * | 1988-01-13 | 1989-08-08 | Forintek Canada Corp. | Circular saw blade guide and vibration damper |
| JPH05111820A (en) * | 1991-09-14 | 1993-05-07 | Kanefusa Kk | Guide device of disc-shaped tool |
| US5497684A (en) * | 1994-02-22 | 1996-03-12 | Martin; Richard R. | Method for reducing the kerf width made by a circular saw blade |
| CN2436255Y (en) * | 2000-07-28 | 2001-06-27 | 浙江省永康市云珠电器有限公司 | Fully hood closed cutting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11170110A (en) * | 1997-12-08 | 1999-06-29 | Kanefusa Corp | Cold saw |
-
2001
- 2001-12-28 KR KR10-2001-0087219A patent/KR100431752B1/en active IP Right Review Request
-
2002
- 2002-01-14 JP JP2003556197A patent/JP4133827B2/en not_active Expired - Fee Related
- 2002-01-14 AU AU2002225482A patent/AU2002225482A1/en not_active Abandoned
- 2002-01-14 CN CNB028261526A patent/CN100409987C/en not_active Expired - Fee Related
- 2002-01-14 WO PCT/KR2002/000055 patent/WO2003055630A1/en active Application Filing
- 2002-01-16 TW TW091100552A patent/TW522067B/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61279422A (en) * | 1985-05-31 | 1986-12-10 | Amada Co Ltd | Apparatus for detecting cut bend amount by band sawing machine |
| CN87202222U (en) * | 1987-02-23 | 1988-02-03 | 北方工业大学 | Sawing apparatus |
| US4854207A (en) * | 1988-01-13 | 1989-08-08 | Forintek Canada Corp. | Circular saw blade guide and vibration damper |
| JPH05111820A (en) * | 1991-09-14 | 1993-05-07 | Kanefusa Kk | Guide device of disc-shaped tool |
| US5497684A (en) * | 1994-02-22 | 1996-03-12 | Martin; Richard R. | Method for reducing the kerf width made by a circular saw blade |
| CN2436255Y (en) * | 2000-07-28 | 2001-06-27 | 浙江省永康市云珠电器有限公司 | Fully hood closed cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100431752B1 (en) | 2004-05-22 |
| AU2002225482A1 (en) | 2003-07-15 |
| WO2003055630A1 (en) | 2003-07-10 |
| CN1607986A (en) | 2005-04-20 |
| KR20020023910A (en) | 2002-03-29 |
| JP4133827B2 (en) | 2008-08-13 |
| TW522067B (en) | 2003-03-01 |
| JP2005512834A (en) | 2005-05-12 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20080813 Termination date: 20200114 |