CN1762628A - Composite circular saw blade - Google Patents
Composite circular saw blade Download PDFInfo
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- CN1762628A CN1762628A CN 200510116593 CN200510116593A CN1762628A CN 1762628 A CN1762628 A CN 1762628A CN 200510116593 CN200510116593 CN 200510116593 CN 200510116593 A CN200510116593 A CN 200510116593A CN 1762628 A CN1762628 A CN 1762628A
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- saw blade
- sawtooth
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Abstract
The present invention provides a composite circular saw blade. In an exemplary embodiment, a circular saw blade includes a body generally circular in shape including an aperture and an outer periphery. The aperture being generally defined in the center of the body and configured to be at least partially received by a circular saw arbor body. Further, a plurality of teeth are disposed around the outer periphery of the body for providing a cutting edge. The body is formed of a composite material, the composite material including two or more structurally complementary substances in which one of the two or more structurally complementary substances is a matrix material.
Description
Technical field
Relate generally to power tool of the present invention field especially relates to a kind of saw blade, for example saw blade.
Background technology
Annular saw is used to cut the various materials that comprise wood, metal, stone material and glass.Because it is general that a large amount of saw blades is arranged at present, so the material of mentioned kind can cut with the annular saw of single type.Usually each saw blade is processed for specific order.For example the emery wheel saw blade can be used for cutting stone material and metal, and diamond saw blade is used for glass-cutting, concrete or ceramic material.And the saw blade of teeth groove, few tooth usually is used for doing length sawing (promptly along with the wood grain cutting) greatly, and the saw blade of little teeth groove, multiple tooth (48 teeth or more) is used for doing jack saw (promptly with the wood grain cross-cut).
The life-span of saw blade and performance depend on the material of making saw blade to a great extent.In order to increase saw life, to improve its performance, traditional metal circular saw some improvement have been done.At first, the tip of being made up of high durable material such as carbide appends to blade teeth.Compare with steel that does not have this tip or HSS sawblade because carbide tip can very fast rust, so this additional life-span of having improved saw blade greatly can use the longer time.In addition, saw bit matrix can apply the friction (for example heat) of no friction material saw blade when reducing to use, and has so just prolonged saw life.In addition, limit one or more expansion slots, in the saw use, allow saw blade to expand like this but can not cause the saw blade distortion along the periphery of saw blade.
Though the modification of traditional round saw blade has been increased the life-span and the performance of saw blade, this modification causes manufacturing cost to increase, and needs additional manpower, material and manufacturing process.For example, because this arts demand material and human cost, so do not apply the cost that saw bit matrix has increased saw blade with there being the friction synthetic material.
Therefore, need a kind of manufacturing process that can reduce manufacturing cost and can effectively make saw blade of research.This technology can comprise uses used substitution material such as the polymer of saw bit matrix.
Summary of the invention
In view of the above, the invention provides a kind of saw blade of forming by composite.A first aspect of the present invention, saw blade comprise the basic circular matrix that comprises a hole and a periphery that is.The hole is limited to the center of matrix basically, and its shape can be installed the saw blade body of rod at least in part.And a plurality of sawtooth are arranged on the periphery of matrix so that a cutting edge edge to be provided.Matrix is made up of composite, and composite comprises the material of two or more complementary structures, and wherein a kind of in two or more complementary structure materials is a for example binder of a main material.
Another aspect of the present invention discloses a kind of saw blade of cutting fiber material.At this on the one hand, saw blade comprises: basic matrix and a centre bore and an a plurality of sawtooth for circle.The configuration center hole makes it that saw blade bar is installed at least in part.And a plurality of sawtooth are arranged on the periphery of matrix.In addition, a plurality of tips append on a plurality of sawtooth.Matrix and a plurality of sawtooth are made up of composite, and a plurality of tips that append to a plurality of sawtooth provide the cut edge of an energy cutting fiber material.
Another aspect of the present invention provides a method of making saw blade.This comprises formation model mould on the one hand, and this model mould can be produced the saw blade that comprises basic circular body and a plurality of sawtooth.A plurality of sawtooth are arranged on the periphery of main body and a cutting edge edge are provided.And allocation models makes it that main body is provided, and this main body comprises the centre bore that allows blade to be connected with the saw blade bar at least.This aspect is included as the main body selection composite of saw blade in addition.Composite comprises the material of one or more structural integrities, and wherein a kind of in two or more structural integrity materials is a for example binder of a mould.For example binder is a polymeric material.Composite is put into (for example injection) mould and is formed composite circular saw blade, and the main body of wherein a plurality of sawtooth and saw blade is an integral body.
Be to be understood that above-mentioned general description and following detailed description only are exemplary and indicative, desired invention do not limited.Form the accompanying drawing of the application's part, embodiments of the invention are described, explain principle of the present invention with general description.
Description of drawings
By with reference to the accompanying drawings, those skilled in the art can better understand plurality of advantages of the present invention, wherein:
Fig. 1 is the stereogram according to the composite circular saw blade of example embodiment of the present invention;
Fig. 2 is the part stereogram of composite circular saw blade, and wherein saw blade comprises carbide tip;
Fig. 3 is a flow chart, and the manufacture method according to the saw blade of example embodiment of the present invention has been described, wherein the matrix of saw blade and cut edge are made up of composite; With
Fig. 4 is a flow chart, has illustrated that wherein matrix is made up of composite according to another manufacture method of the saw blade of example embodiment of the present invention.
The specific embodiment
To describe the preferred embodiments of the present invention in detail below, the accompanying drawings example.Usually, the invention provides a composite circular saw blade.The benefit of using composite is that the manufacturing of saw blade is simplified.For example the matrix of saw blade and cut edge can be made simultaneously.Compare with the manufacturing of conventional blade, this simplification can make manufacturing cost reduce.And use composite to help at the Acceptable life that need not to increase under the situation of additional fabrication steps saw blade.Therefore composite for example of the present invention also can reduce friction, helps avoid the thermal accumlation on the saw blade sheet when saw blade passes workpiece, does not have friction material substantially and need not after the saw blade production to saw blade coating.
With reference to Fig. 1 and 2, a saw blade 100 according to example embodiment is provided, it is made up of composite.In the present embodiment, saw blade 100 comprises the basic circular matrix 105 that is, configuration matrix 105 makes it support a cutting edge edge (for example a plurality of tooth 110), and allows saw blade 100 partly to be accepted by the saw blade bar at least.As shown in Figure 1, a plurality of sawtooth 110 are arranged on the periphery of matrix 105, form the cut edge.And one hole 115 be limited to the center of matrix 105, be mechanically connected on the circular saw blade bar to allow saw blade 100.During use, saw blade 100 is connected with bar by at least in part bar being inserted in the hole 115, and with securing member such as packing ring and nut the hole is fixed then.
In an exemplary embodiment, saw bit matrix 105 is formed by composite.Composite is defined as the material that comprises two or more complementary structures, and wherein the material kind of two or more complementary structures is a kind of as main material (for example binder).For example binder can be not have friction material substantially.Substantially do not have friction material and comprise the material (for example saw blade can not reach and produce enough temperature of friction between saw blade and workpiece, and therefore not needing does not have friction coated with avoiding saw blade distortion or swing to saw blade) that in use can not produce enough heats and influence saw blade performance.For example, roughly be similar to saw blade and make the coefficient of friction that the back applies the metal saw blade of no friction material such as polytetrafluoroethylene (PTFE) by the coefficient of friction that does not have the composite saw blade that friction material forms substantially.In the exemplary embodiment, saw bit matrix 105 is formed by the polymeric material that strengthens with glass fibre, carbon fiber or analog.
Can expectedly be, enough rigidity can be provided and support other material of the feature operation of composite saw blade 100, also can be used for forming compound, and not depart from the scope of the present invention and spirit.Can be used to make saw bit matrix with carbon fiber reinforced aluminium.And the fibr tissue of reinforcing material depends primarily on the structural strength that needs.For example fiber can be braiding, unordered, unidirectional or various combination.Sheet glass except that glass fibre can be used for strengthening matrix material in addition.
Be single, the solid that saw bit matrix 105 can be made up of composite, or matrix comprise several layers with it is also contemplated that.Layer like this comprises the combination of same material or various composites.For example ground floor can comprise the polymeric material that is strengthened by glass fibre, and the second layer comprises by the carbon fiber reinforced polymer.In such example, metallic element also can be included in one or more layers.
Continuation is with reference to Fig. 1 and 2, and configuration matrix 105 makes it support a cutting edge edge 112 (for example a plurality of sawtooth 110).In an example embodiment, a plurality of sawtooth 110 are whole with matrix, and are that composite circular saw blade 100 limits cut edge 112.But for example matrix and the manufacturing of a plurality of sawtooth common mode.A plurality of sawtooth and matrix can be formed (for example matrix is the polymeric material that is strengthened by glass, and a plurality of sawtooth are formed by steel) by the mixing of same material, different materials or composite and metal.
In an optional embodiment, after saw bit matrix 105 formed, a plurality of sawtooth 110 can be attached on the matrix 105.For example can limit sawtooth along the periphery of saw bit matrix 105 recess is installed, be mechanically connected on the saw bit matrix 105 to allow a plurality of sawtooth.In addition as the application number of submitting on September 17th, 2004 be that 60/611,174 United States Patent (USP) " segmentation saw blade " is described, this invention is connected sawtooth or blade part charge with matrix 105, this full patent texts is being hereby incorporated by reference.This structure allows single saw bit matrix 105 that a plurality of sawtooth models are installed.In addition for prolonging the replaceable single sawtooth of whole life-span of saw blade.The blade section that is understood that single sawtooth or band saw tooth can be by forming with matrix 105 materials similar (for example composite) or different material (for example metal).
In example embodiment, specialized designs and a plurality of sawtooth 110 of grinding are to be fit to special applications.For example size characteristic such as length, width and sawtooth angle are fit to be used for finishing particular task thereby all can change.As shown in Figure 1, standard flat-top cutting-edge structure is mainly used in the execution rip cutting.This structure comprises the deep trouth between long tooth and each tooth, thereby prevents talus accumulation, the generation of friction (for example heat) when preventing saw blade work then.The use of dark teeth groove and big teeth sizes is advantageously for the heat that minimizes generation when using saw blade, has therefore reduced the probability that the saw blade distortion takes place.Alternatively, comprise that less sawtooth and more shallow teeth groove ground saw blade are used for finishing the crosscut to fibrous material such as wood.Can be set to positive anterior angle by a plurality of sawtooth in addition.Positive anterior angle mainly is to help the travelling workpiece material to pass saw blade, also has the effect that the material of naming a person for a particular job is pulled saw blade into simultaneously.
Except changing sawtooth length, width and angle, included sawtooth quantity changes according to the type of cut that will carry out or the material that will cut on the saw blade.For example the quantity of sawtooth 110 can change between two to 400.Have 30 or still less the saw blade of sawtooth be generally used for carrying out rip cutting to fibrous material, and the saw blade with 40 or more sawtooth is for general on the crosscut on this kind material.In another embodiment, a plurality of sawtooth normal or position each other can change.In one embodiment, a plurality of sawtooth can be set makes it have the cut edge on basic plane.Alternatively, preferably sawtooth is set under specific circumstances by the mode that staggers mutually.The side set structure can make sawtooth present multiple angles each other.
Can expectedly be that the external diameter by the saw bit matrix 105 that comprises a plurality of sawtooth 110 forms can change between three and 3/8ths inches and 40 inches.Configuration composite circular saw blade 100 can be used for from the little hand-held various saws that cut in the bigger industrial saw scope it like this.Though the disclosure concentrates on saw blade, should be understood that disclosed invention can be used to make the saw blade of various saw componets.For example can form Dado Blades and Dado Chippers with composite.It is to be further understood that disclosed saw blade can be used for cutting the material except that fibrous material, comprise concrete, glass, pottery, metal and similar material.
In additional example embodiment, composite circular saw blade 100 can comprise the hole of a plurality of minimizing noises and heat, aesthstic hole and similar hole.For example saw bit matrix 104 can comprise the noise reduction hole that is used for reducing sound level when using saw blade.The shape in this hole is generally alphabetical serpentine.And as shown in Figure 1, saw blade 100 comprises the thermal expansion hole, and it helps to distribute the heat that is produced when using saw blade, can prevent from then to use the distortion of saw blade when sawing and wave.As shown in Figure 1, saw blade 100 comprises four thermal expansion grooves 120,122,124 and 126.The quantity and the shape that should be appreciated that these expansion slots depend on the compound of saw bit matrix and a plurality of sawtooth.For example, can not need the thermal expansion hole, because this compound heat that only can produce a small amount of in use by there not being saw bit matrix and a plurality of sawtooth that friction material forms substantially.Alternatively, the complex matrix that comprises the steel sawtooth can comprise the thermal expansion hole/groove of a plurality of peripheries around saw blade, and sawtooth expands and can not cause the saw blade distortion when allowing to use.The additional in addition carbide tip of being made up of compound or other material (for example metal) just needs thermal expansion hole/groove, and sawtooth expands when using with permission.
In further example embodiment, saw blade 100 can comprise the performance that increases this saw blade and the supplementary features in life-span.As shown in Figure 2, a plurality of tips are connected to a plurality of sawtooth 110.In a preferred embodiment, a plurality of tips are carbide tip.The tip of using carbide tip or being made by similar high abrasion resisting material because the longer time can very fast rust can not used then in the tip, so compare with steel that does not have this tip or HSS sawblade, can significantly increase saw life.The size of carbide tip, thickness, shape and other architectural feature depend primarily on the cutting material of wanting, the type of cut of wanting and similar factor.Can expectedly be can make in all sorts of ways tip and single sawtooth are coupled together, method of attachment comprises solder technology such as ultra-sonic welded, bonds as epoxy material, or its combination.
With reference now to Fig. 3,, provides a kind of method 300 of making saw blade.The method 300 of making saw blade comprises formation mould 302.Dispose this mould and make it can produce a saw blade that comprises main body and a plurality of sawtooth, main body is typically circle, and a plurality of sawtooth are around the periphery setting of main body.In an example embodiment, main body comprises that at least one permission saw blade is connected to the centre bore of saw blade bar.In another embodiment, designing mould makes it can produce the main saw plate matrix that hot hole falls in band additional holes such as a noise reduction.And method 300 comprises selection composite 304.For example select the composite of saw blade.This material can comprise basic friction free material, and its friction that produces between saw blade and workpiece when allowing to use saw blade reduces.As previously mentioned, multiple material can be used to form composite, comprises polymeric material, carbon fiber reinforced polymeric material and materials similar that glass fibre strengthens.Method 300 comprises composite is put into mould 306 in addition.This technology can be finished with the method that enters mould by the injection composite.The saw blade that obtains comprises matrix and cut edge (for example a plurality of sawtooth of being made up of composite).And a plurality of sawtooth and saw bit matrix are an integral body.After saw blade formed, a plurality of tips can append to a plurality of sawtooth, 308.Can expectedly be that available ultra-sonic welded, bonding or the mixed method of comprising is fixed to a plurality of sawtooth with the tip.
With reference to figure 4, provide the other method 400 of making saw blade.The method 400 of making saw blade is included as matrix 402 and forms mould.Disposing this mould can produce it to comprise substantially and be that the saw blade of circular body, main body have at least one centre bore and the periphery that can be connected with a plurality of sawtooth that centre bore can be installed the saw blade bar at least in part.In another embodiment, designing mould can be produced it to have additional holes such as hot hole falls in noise reduction.In addition, method 400 comprises the composite of selecting to be used for saw blade main body 404.For example select a composite, this composite such as polymer strengthen no friction material, the friction total amount that the energy minimization saw blade produces between saw blade and workpiece when using.As previously mentioned, multiple material can be used to form composite, comprises polymeric material, carbon fiber reinforced polymeric material and materials similar that glass fibre strengthens.Method 400 comprises composite is put into mould 406 in addition.This technology can be finished with the method that enters mould by the injection composite.The saw blade that obtains comprises a composite host, and it can connect a cutting edge edge (for example a plurality of sawtooth).After main body formed, a plurality of sawtooth appended to saw blade 408.Can expectedly be that this sawtooth can comprise that welding, bonding or mixed method append to matrix by several different methods.Alternatively, if matrix comprises the recess that sawtooth is installed, then sawtooth can be inserted into corresponding recess.In a further embodiment, comprise an additional molded step, it allows a plurality of sawtooth to be molded into complex matrix.In this embodiment, available composite or other material that comprises metal form sawtooth.Method 400 also can comprise the tip is appended to a plurality of sawtooth 410.For example can carbide tip be fixed to a plurality of sawtooth by welding, bonding or similar method.
Can expectedly be to finish manufacturing process described herein, all not break away from the spirit and scope of the present invention with various manufacturing technologies.As mentioned above, can form manufacturing process by jet mould technology, composite sprays in the mould in the jet mould technology, and mould provides the saw blade of wanting shape.Alternatively, composite circular saw blade 100 can be formed by composite panel machining.
In example embodiment, disclosed method can be used as a cover instruction or software reads execution by equipment.And be to be understood that in the open method that particular order or level are the examples of exemplary method.According to decision design, be to be understood that particular order in the method and level are all among the spirit and scope of the present invention.Appended claim to a method is submitted the different step of example sequence to, does not represent the qualification to particular order and level.
By description in front, can understand the many attendant advantages of the present invention and Qi Geng.The various changes of the shape of element, structure and layout all do not break away from the spirit and scope of the present invention apparently, or break away from the protection of its material advantage.Previously described form only is its example embodiment.The purpose of claim is to comprise this change subsequently.
Claims (20)
1. saw blade comprises:
One basic is the circular matrix that comprises a hole and a periphery, and the hole is limited to the center of matrix basically, and is configured as to small part and is held by the saw blade bar; With
The periphery that is arranged on matrix to be providing a plurality of sawtooth of cut edge,
Wherein matrix is made up of composite, and composite comprises the material of two or more complementary structures, and wherein a kind of in two or more complementary structure materials is a main material.
2. saw blade as claimed in claim 1 is characterized in that, main material is a kind of friction material that do not have substantially.
3. saw blade as claimed in claim 1 is characterized in that, main material is a kind of polymeric material.
4. saw blade as claimed in claim 1 is characterized in that matrix is formed by the polymeric material of a kind of enhancing in glass fibre or the carbon fiber at least.
5. saw blade as claimed in claim 1 is characterized in that matrix comprises the thermal expansion groove, and the thermal expansion groove is around the periphery setting of saw bit matrix, and a plurality of sawtooth expand in the course of work to allow.
6. saw blade as claimed in claim 1 also comprises a plurality of tips that append to a plurality of sawtooth, and a plurality of tips are made up of the material of selecting the group that constitutes from carbide, pottery, steel and its mixing.
7. saw blade as claimed in claim 1 is characterized in that saw bit matrix comprises the noise reduction hole, and the noise reduction hole is used for reducing the sound level that produces in the saw blade use.
8. the saw blade of a cutting fiber material comprises:
A shape is circular matrix substantially, and matrix comprises a centre bore and a plurality of sawtooth, and centre bore is configured as and can be held by the saw blade bar to small part, and a plurality of sawtooth are arranged on the periphery of matrix; With
A plurality of tips that are attached on a plurality of sawtooth,
Wherein matrix and a plurality of sawtooth are made up of composite, and a plurality of tips that are attached to a plurality of sawtooth provide the cut edge of an energy cutting fiber material.
9. saw blade as claimed in claim 8 is characterized in that the composite of matrix and a plurality of sawtooth is selected from one group, this group comprises polymeric material and the carbon fiber reinforced polymeric material that glass fibre strengthens.
10. saw blade as claimed in claim 8 is characterized in that matrix comprises the thermal expansion groove, and the thermal expansion groove is around the periphery setting of saw bit matrix, and saw blade expands in the course of work to allow.
11. saw blade as claimed in claim 8, saw bit matrix comprise the noise reduction hole, the noise reduction hole is used for reducing the sound level that produces in the saw blade use.
12. saw blade as claimed in claim 8 is characterized in that, a plurality of tips are carbide tip.
13. saw blade as claimed in claim 12 is characterized in that, a plurality of carbide tip append to a plurality of sawtooth by bonding mode.
14. saw blade as claimed in claim 12 is characterized in that, a plurality of carbide tip append to a plurality of sawtooth by the ultra-sonic welded mode.
15. a method of making saw blade comprises:
Form the mould of production saw blade, it is circular matrix and a plurality of sawtooth that are arranged on matrix periphery formation cut edge that saw blade comprises basic, and mould provides a main body, and main body comprises that at least one is configured as the centre bore that is held by the saw blade bar;
Select the composite of saw blade main body, composite comprises the material of two or more complementary structures, and wherein a kind of in two or more complementary structure materials is a polymeric material; With
Composite is put into mould form composite saw blade, the main body of wherein a plurality of sawtooth and saw blade is an integral body.
16. manufacture method as claimed in claim 15 also comprises by ultra-sonic welded a plurality of carbide tip are appended to a plurality of sawtooth.
17. manufacture method as claimed in claim 15 also comprises by bonding a plurality of carbide tip are appended to a plurality of sawtooth.
18. manufacture method as claimed in claim 15 is characterized in that, the composite of main body and a plurality of sawtooth is polymeric materials that glass fibre strengthens.
19. manufacture method as claimed in claim 15 is characterized in that, the composite of main body and a plurality of sawtooth is carbon fiber reinforced polymeric materials.
20. manufacture method as claimed in claim 15 is characterized in that, mould provides a main body, and except that centre bore, main body comprises the noise reduction hole, and the noise total amount that the noise reduction hole allows to produce in the operation reduces.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61104604P | 2004-09-17 | 2004-09-17 | |
| US60/611046 | 2004-09-17 | ||
| US11/218732 | 2005-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1762628A true CN1762628A (en) | 2006-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510116593 Pending CN1762628A (en) | 2004-09-17 | 2005-09-16 | Composite circular saw blade |
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| Country | Link |
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| CN (1) | CN1762628A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992326A (en) * | 2010-11-04 | 2011-03-30 | 郑奶谷 | Cutter blade of normal temperature right angle cutting machine of steel bars |
| CN102950656A (en) * | 2012-10-17 | 2013-03-06 | 南光日 | Carbon saw blade and manufacture method thereof |
| CN103079737A (en) * | 2010-09-02 | 2013-05-01 | 罗伯特·博世有限公司 | Oscillation insert tool and hole-saw insert tool |
| CN109365906A (en) * | 2018-12-17 | 2019-02-22 | 广东和胜工业铝材股份有限公司 | Novel saw blade and cutter device |
-
2005
- 2005-09-16 CN CN 200510116593 patent/CN1762628A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079737A (en) * | 2010-09-02 | 2013-05-01 | 罗伯特·博世有限公司 | Oscillation insert tool and hole-saw insert tool |
| CN101992326A (en) * | 2010-11-04 | 2011-03-30 | 郑奶谷 | Cutter blade of normal temperature right angle cutting machine of steel bars |
| CN101992326B (en) * | 2010-11-04 | 2013-04-24 | 郑奶谷 | Cutter blade of normal temperature right angle cutting machine of steel bars |
| CN102950656A (en) * | 2012-10-17 | 2013-03-06 | 南光日 | Carbon saw blade and manufacture method thereof |
| CN109365906A (en) * | 2018-12-17 | 2019-02-22 | 广东和胜工业铝材股份有限公司 | Novel saw blade and cutter device |
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