CN2557288Y - Thick-edge abrasive wheel disk for cutting off - Google Patents
Thick-edge abrasive wheel disk for cutting off Download PDFInfo
- Publication number
- CN2557288Y CN2557288Y CN 02238607 CN02238607U CN2557288Y CN 2557288 Y CN2557288 Y CN 2557288Y CN 02238607 CN02238607 CN 02238607 CN 02238607 U CN02238607 U CN 02238607U CN 2557288 Y CN2557288 Y CN 2557288Y
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- China
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- thickness
- cutting
- grinding wheel
- wheel
- webbing
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Abstract
The utility model provides a grinding wheel cutting blade which can improve cutting efficiency. The utility model is mainly characterized in that the external edge part of the cutting blade is thickened; the thickness of the grinding wheel cutting blade is gradually and radially reduced from outside to inside along the grinding wheel blade from certain part of the external edge, which leads the incision cut by the grinding wheel cutting blade when cutting to be always greater than the thickness of most grinding wheel cutting blades, thus reducing the friction area of the grinding wheel cutting blade when cutting, avoiding the phenomena of clamping piece, prolonging the service life of the grinding wheel cutting blade, and improving cutting efficiency.
Description
Affiliated technical field:
The utility model relates to a kind of cutoff wheel that is used for cutting various metals, in particular for the cutoff wheel of the bigger metal material of cutting section.
Technical background
At present, known cutoff wheel is to form with suppressing after adhesive mixes with diamond dust, and its shape is a uniform disk of thickness, and the centre perforate is so that be installed on the axle of rotation at a high speed.During work, the grinding wheel of rotation is at a high speed contacted with material to be cut, and make and add certain pressure, thereby produce friction, because diamond dust is bigger than most metal hardness, the result be cutoff wheel be cut the metal object touching position, be cut metal object and rubbed, thereby reach the purpose of cutting metal.
But because the thickness of existing cutoff wheel is uniformly, in the process of cutting, along with the intensification of otch, scarfing is slowly become by the U type that begins and is similar to V-type, " intermediate plate " phenomenon occurs.Specifically, at a high speed grinding wheel and the metal material of rotation are also increasing in the friction area of incision, and this friction area is divided into two parts: a part is that outer cylinder partial (in fact cutoff wheel can regard a little a lot of cylinder of aspect ratio diameter as) and the material to be cut of grinding wheel is at the U-shaped kerf bottom area (friction of this part is designated hereinafter simply as the front and rubs) that contacts; Another part is the contacted friction area of both sides planar section and otch both sides (friction of this part is designated hereinafter simply as side friction) of cutoff wheel.The result of positive friction disconnects the object that will cut from incision, thereby reaches the purpose of cutting.The resistance that side friction is subjected to cutoff wheel increases, and is the main cause that causes intermediate plate, consequently: 1, make the outer edge of grinding wheel more and more thinner, thereby the resistance that cutoff wheel is subjected in cutting process is increasing.2, fricative heat raises the temperature of cutoff wheel rapidly, thereby has damaged the mechanical strength of cutoff wheel, has shortened the service life of cutoff wheel.This is the main cause that causes cutoff wheel to burn when cutting section amasss bigger material.3, power consumption: continue cutting, just need increasing extra energy to overcome auxiliary frictional force.
The utility model content
In order to remedy the deficiency of above known grinding wheel as much as possible, the utility model provides a kind of grinding wheel cutting blade, and the side friction when this grinding wheel cutting blade has reduced cutting to a great extent prolongs cutoff wheel service life, improve cutting efficiency, saved the energy.
The technical scheme that the utility model adopted is: 1, the enlarged in thickness of wheel cutting blade ragged edge along certain limit, make its thickness greater than wheel cutting blade remainder, thereby make the otch that in cutting process, cut out of wheel cutting blade all the time greater than the thickness at the most of position of cutoff wheel, thereby reduce side friction widely, effectively avoid " intermediate plate " phenomenon.2, for to make cutoff wheel all have above effect in different operational phases, part beyond the thickening of desanding wheel cutting blade outer made have certain gradient or gradient, the thickness of cutoff wheel is radially reduced from outside to inside successively, and certain limit is still made the plane that thickness equates near the grinding wheel center.The beneficial effects of the utility model are: the friction area when reducing the grinding wheel cutting, improve cutting efficiency, and prolong cutoff wheel service life, save the energy.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the outline drawing of this grinding wheel cutting blade: Figure 1A vertical view, Figure 1B left view, among Fig. 1 C axial section stereogram Fig. 1, cutoff wheel edge reinforcement (1) is positioned at the cutoff wheel outer edge, its peripheral diameter is D3, its thickness is B1, and its thickness is greater than the thickness of grinding wheel remainder, thereby its kerf width that cuts out is also greater than the thickness of grinding wheel remainder.Thickness-tapered part (2) has certain slope, D2 is the peripheral diameter of this part, its effect is: after the reinforcement (1) of grinding wheel is worn, its thickness of remaining thickness-tapered part (2) radially successively decreases from outside to inside, the width of the cutting mouth that this part time cuts out in cutting also is all the time greater than the thickness of cutoff wheel remainder, thereby also plays the effect that reduces the intermediate plate phenomenon.What be positioned at thickness-tapered part (2) inboard is planar section (3), and its thickness is B2, and D1 is the peripheral diameter of this part, and center in this section has the hole that diameter is D3, is used for installing.
Fig. 2 is known cutoff wheel otch and grinding wheel abrasion condition schematic diagram.The cutoff wheel (4) of known high speed rotation cuts out among the figure is similar to v-notch (5), this otch makes the abrading section (6) on grinding wheel ragged edge edge and the contact area that is cut between the object (7) become big, thereby the resistance that cutoff wheel is subjected to is also very big.
Fig. 3 is this grinding wheel cutting blade otch and grinding wheel abrasion condition schematic diagram.Among the figure, the otch (9) that cuts out when the utility model webbing cutoff wheel (8) of rotation is worked at a high speed is a U type otch, the capable otch of this U makes that the abrading section (10) on wheel sheet ragged edge edge is more many than the v-notch minimizing with the contact area that is cut object (11), thereby the frictional force that cutoff wheel is subjected to also greatly reduces.
Embodiment (one): during manufacturing the size of each several part as shown in Figure 4, the webbing cutoff wheel of this specification is used for the long-pending big or bigger object of hardness of cutting section.
Embodiment (two): during manufacturing the size of each several part as shown in Figure 5, the webbing cutoff wheel of this specification is used for the daily cutting of medium and small metal objects.
Embodiment (three): during manufacturing the size of each several part as shown in Figure 6, the webbing cutoff wheel of this specification also can be used for the long-pending big or bigger object of hardness of cutting section.
Claims (4)
1, a kind of webbing cutoff wheel, the thickness of its outer edge annular extent is greater than the thickness of remainder.The thickness that it is characterized in that grinding wheel outside in begins to diminish from the somewhere in the radial direction along grinding wheel.
2, webbing cutoff wheel according to claim 1 is characterized in that the thickness of webbing cutoff wheel also can be from ragged edge along beginning to successively decrease.
3, webbing cutoff wheel according to claim 1 is characterized in that the side of webbing cutoff wheel has certain gradient along its radial direction ecto-entad in a certain annular region.
4, webbing cutoff wheel according to claim 1, it is characterized in that the webbing cutoff wheel is nested the forming of annulus even by two or more thickness, that differ in size from one another from seeing in appearance, the thickness of bigger annulus is greater than the thickness of less annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238607 CN2557288Y (en) | 2002-06-11 | 2002-06-11 | Thick-edge abrasive wheel disk for cutting off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238607 CN2557288Y (en) | 2002-06-11 | 2002-06-11 | Thick-edge abrasive wheel disk for cutting off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557288Y true CN2557288Y (en) | 2003-06-25 |
Family
ID=33712256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02238607 Expired - Fee Related CN2557288Y (en) | 2002-06-11 | 2002-06-11 | Thick-edge abrasive wheel disk for cutting off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2557288Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043978B (en) * | 2004-10-19 | 2010-10-27 | 格哈特·吉辛 | Cutting wheel comprising a double-core clamping device |
| CN105312977A (en) * | 2015-11-26 | 2016-02-10 | 吴江市液铸液压件铸造有限公司 | Casting grinding machine long in service life |
-
2002
- 2002-06-11 CN CN 02238607 patent/CN2557288Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043978B (en) * | 2004-10-19 | 2010-10-27 | 格哈特·吉辛 | Cutting wheel comprising a double-core clamping device |
| US8113920B2 (en) | 2004-10-19 | 2012-02-14 | Gerhard Gissing | Cut-off wheel comprising a double core clamping device |
| CN105312977A (en) * | 2015-11-26 | 2016-02-10 | 吴江市液铸液压件铸造有限公司 | Casting grinding machine long in service life |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |