us patent for phenolic resin bonded grinding wheels patent

  • us3041156a - phenolic resin bonded grinding wheels

    US3041156A - Phenolic resin bonded grinding wheels

    261 rows· Considering all the examples, our invention is seen to produce a phenolic resin bonded grinding wheel that has a speed test to destruction in the wet condition after soaking in water at room temperature (about 22 C.) for 10 days that is usually at least of that for the dry condition without soaking, and for the best wheels with optimum amount of siloxane on the abrasive grain is at least of that for

  • us4682988a - phenolic resin bonded grinding wheels

    US4682988A - Phenolic resin bonded grinding wheels

    A phenolic resin bonded grinding wheel with an improved grinding ratio in which hexamethylenetetramine is the curing agent and furfural is the wetting agent applied, at least in part, to the abrasive grain in the preparation of the wheel mix, said furfural being used in an amount of from 20 to 60 cubic centimeters per pound of resin, the furfural being incorporated in the wheel formulation in an

  • us patent for grinding wheel patent (patent # 4,913,708

    US Patent for Grinding wheel Patent (Patent # 4,913,708

    The grinding performance of organic bonded abrasive bodies whose abrasive portion is wholly or partially composed of aluminous abrasive grits is significantly improved by providing a magnesium oxide-rich or manganese oxide-rich coating on furfural-wetted grits just prior to addition of resin

  • phenolic resin bonded grinding wheels - free patents online

    Phenolic resin bonded grinding wheels - Free Patents Online

    An abrasive mix for producing snagging and cut-off wheels of improved grinding ratios wherein abrasive grains are bonded in a powdered phenolic resin bond having a hexamethylenetetramine hardening agent, comprising abrasive grain wetted with furfural, said wetted grain being mixed with said powdered resin bond and wherein additional furfural may be added to

  • us patent for resin-bonded taphole mix patent (patent

    US Patent for Resin-bonded taphole mix Patent (Patent

    Justia Patents Hot-top Or Taphole Plug Composition Or Process Of Preparing US Patent for Resin-bonded taphole mix Patent (Patent # 4,792,578) Resin-bonded taphole mix Oct 16, 1986

  • us patent # 4,475,926. active filler for grinding wheels

    US Patent # 4,475,926. Active filler for grinding wheels

    1. An organic polymer bonded abrasive product comprising abrasive grain, an organic polymer for said abrasive grain, and active fillers which together with the organic polymer comprise a bond, wherein the improvement comprises an active filler which is a mixture of iron pyrites, potassium sulfate, and an alkali metal haloferrate having the formula:

  • diamond or cubic boron nitride grinding wheel with resin

    Diamond or cubic boron nitride grinding wheel with resin

    A diamond or cubic boron nitride grinding wheel in which an abrasive section comprising abrasive grits distributed through and held by a phenolic resin matrix is bonded to a non-abrasive core, is improved, in terms of ease of manufacture and elimination of cracking or poor adhesion, by means of a core composition which includes between 5 and 20% by volume of a thermoset resin selected from the group consisting of phenol aldehyde…

  • us patent # 5,037,452. method of making vitreous bonded

    US Patent # 5,037,452. Method of making vitreous bonded

    Method of making vitreous bonded grinding wheels and grinding wheels obtained by the method Abstract. A method for making vitreous bonded abrasive articles, particularly grinding wheels, is provided that includes the step of blending sugar/starch particles into the other ingredients for making the wheel.

  • diamond or cubic boron nitride grinding wheel with resin

    Diamond or cubic boron nitride grinding wheel with resin

    A diamond or cubic boron nitride grinding wheel in which an abrasive section comprising abrasive grits distributed through and held by a phenolic resin matrix is bonded to a non-abrasive core, is improved, in terms of ease of manufacture and elimination of cracking or poor adhesion, by means of a core composition which includes between 5 and 20% by volume of a thermoset resin

  • patents for foundry phenolic resins - fhbgevelproducten.nl

    patents for foundry phenolic resins - fhbgevelproducten.nl

    US Patent for Foundry binder of phenolic resole resin. Justia Patents Phenolic, Amine, Or Ketone Condensate With Aldehyde US Patent for Foundry binder of phenolic resole resin, polyisocyanate and epoxy resin Patent (Patent # 5,733,952) Foundry binder of phenolic resole resin, polyisocyanate and epoxy resin .

  • polyimide binding resin for diamond & cbn grinding wheels

    Polyimide Binding Resin for Diamond & CBN Grinding Wheels

    P84 resin bonded wheels are capable of very high grinding speeds and, in many cases, outlast standard epoxy or phenolic wheels by a factor of 2. The hardness, brittleness and abrasion capacity of P84 wheels can be influenced by processing. Varying the sintering temperature and dwell time can lead to different mechanical properties of the resin.

  • resin bond

    Resin Bond

    Resin Bond. Known for their high cutting efficiency, AT's resin bonded superabrasives can be used in both dry and wet grinding. Custom-designed bonds to meet the most stringent requirements in production grinding atmospheres. Latest polymer technology for resistance to heat when dry and wet grinding.

  • patents for foundry phenolic resins - gkij.nl

    patents for foundry phenolic resins - gkij.nl

    US Patent # 4,345,003. Resol phenolic resin binder for hot Resol phenolic resin binder for hot coating of foundry sand Abstract. A phenolic resin binder useful for hot coating foundry sand and comprising a mixture of a solid resol phenolic resin and a lubricant is provided in the form of beads or rods of diameter of about 0.5

  • cpc definition - united states patent and trademark office

    CPC Definition - United States Patent and Trademark Office

    Bonded abrasive wheels, or wheels with inserted abrasive blocks, where the grinding action is performed otherwise than only by the periphery of the wheel, e.g. by the front face. Wheels in one piece, wheels with inserted blocks, and zonally-graded wheels comprising different abrasives.

  • us patent # 4,452,927. resin coated sand for shell molding

    US Patent # 4,452,927. Resin coated sand for shell molding

    3. Resin coated foundry sand according to claim 1, wherein said phenolic resin is a resole phenolic resin. 4. A resin coated foundry sand according to claim 3, further comprising a lubricant. 5. A resin coated foundry sand according to claim 1, wherein the phenolic resin is a novolac phenolic resin. 6.

  • fluorinated diamond bonded in fluorocarbon resin(patent

    Fluorinated diamond bonded in fluorocarbon resin(Patent

    @article{osti_864294, title = {Fluorinated diamond bonded in fluorocarbon resin}, author = {Taylor, Gene W.}, abstractNote = {By fluorinating diamond grit, the grit may be readily bonded into a fluorocarbon resin matrix. The matrix is formed by simple hot pressing techniques. Diamond grinding wheels may advantageously be manufactured using such a matrix.

  • grinding performance evaluation of porous composite-bonded

    Grinding performance evaluation of porous composite-bonded

    When conventional and vitrified-bonded CBN grinding wheels are used for grinding nickel-based alloys, the great amount of wheel wear greatly affects the efficiency of a grinding process.9, 10 Frequent wheel dressing and a large dressing depth to clean up the wheel surface are needed due to wheel loading. Wheel redressing caused by wheel loading is a main cause of giant wheel wear and must be prevented.

  • bonded abrasives – knowledge base

    Bonded Abrasives – Knowledge Base

    A resin bonded abrasive is a grinding or cutting tool composed of abrasive grains which are held tightly together by a bonding agent and typically reinforced with a woven material. Within the bonded abrasives category are grinding and cutting wheels, as well as “stones” in a variety of shapes and sizes. Main Components of Resinoid Bonded Abrasives.

  • development and characterization of abrasive grinding

    Development and characterization of abrasive grinding

    Development and characterization of abrasive grinding wheels with a tannin-furanic resins matrix Article in Industrial Crops and Products 65 · November 2014 with 32 Reads DOI: 10.1016/jdcrop

  • active filler for grinding wheels - antwerpsehavenpijl.be

    Active Filler For Grinding Wheels - antwerpsehavenpijl.be

    Us patent 4,475,926 active filler for grinding wheels , active filler for grinding wheels abstract a resinoid bonded abrasive article in which the resinoid bond includes 580 by volume of an improved active filler or grinding a.Diy how to bondo auto body repair tips and tricks to ,.

  • development and characterization of abrasive grinding

    Development and characterization of abrasive grinding

    Indeed, grinding wheels made with the mimosa tannin resin and Alu 24 particles (Samples 1 and 2) are four times more abrasive than the commercial control wheel used. Whereas grinding wheels made with quebracho resin and Alu 24 particles (Samples 11 and 12) are eight times more abrasive than the commercial control wheel.

  • influence of pore-forming agent on the performance of

    Influence of Pore-Forming Agent on the Performance of

    Back grinding is the key working procedure in the silicon wafer manufacturing process. Ground silicon wafers ought to have low subsurface damage layer thickness (SSD ) and surface roughness value. It requires that the wheel should have high self-sharpening ability and consistent performance. In this paper, the research on pore-forming agent in order to improve the wheel’s self-sharpening