DE545004C - Putty for fixing abrasive bodies on steel disks with a synthetic resin content - Google Patents

Putty for fixing abrasive bodies on steel disks with a synthetic resin content

Info

Publication number
DE545004C
DE545004C DEK113871D DEK0113871D DE545004C DE 545004 C DE545004 C DE 545004C DE K113871 D DEK113871 D DE K113871D DE K0113871 D DEK0113871 D DE K0113871D DE 545004 C DE545004 C DE 545004C
Authority
DE
Germany
Prior art keywords
putty
synthetic resin
resin content
steel disks
abrasive bodies
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
Application number
DEK113871D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CARL KRUG DR ING
Original Assignee
CARL KRUG DR ING
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CARL KRUG DR ING filed Critical CARL KRUG DR ING
Priority to DEK113871D priority Critical patent/DE545004C/en
Application granted granted Critical
Publication of DE545004C publication Critical patent/DE545004C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • B24D3/30—Resins or natural or synthetic macromolecular compounds for close-grained structure
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Description

Schleifbeläge und ähnliche Schleifkörper auf rasch umlaufenden Stahlscheiben zu befestigen, ist bekanntlich eine schwierige Aufgabe. Es hat sich nämlich gezeigt, daß mit der gesteigerten Leistungsfähigkeit der Schleifbeläge und den höheren Anforderungen an diese die Schleifwärme den Kittstoff in die Gefahr des Wiedererweichens bringen kann und deshalb der Erweichungspunkt des- »o selben möglichst hoch gelegt werden muß. Außerdem sind die seither bekannten Schmelzkitte gegen Überhitzen empfindlich. Diese Kittstoffe, die Schellack und Phenolharze als Bindemittel haben, genügen also nicht mehr den Anforderungen.To attach abrasive pads and similar grinding tools to rapidly rotating steel disks, is known to be a difficult task. It has been shown that with the increased performance of the Abrasive coatings and the higher demands placed on them, the abrasive heat of the putty in can bring the risk of re-softening and therefore the softening point of the »O it must be placed as high as possible. In addition, the melting putties known since then sensitive to overheating. These putties, the shellac and phenolic resins as Binders no longer meet the requirements.

Die Erfindung beruht auf der durch sorgfältige Versuche gestützten Erkenntnis, daß die vorliegende Aufgabe völlig befriedigend gelöst werden kann, wenn als Bindemittel des Kittes Polyvinylacetat gewählt wird. Hierzu sei bemerkt, daß die polymerisierten Vinylester an und für sich als Kitte und Klebstoffe bekannt sind.The invention is based on the knowledge, supported by careful experiments, that The present object can be achieved completely satisfactorily if the binder of the Kittes polyvinyl acetate is chosen. It should be noted that the polymerized vinyl esters are known in and of themselves as putties and adhesives.

Das synthetische Harz wird fein vermählen a5 und mit bekannten, ebenfalls fein vermahlenen Zusatzstoffen, insbesondere solchen von hoher Wärmeaufnahme, versetzt.The synthetic resin is finely ground a 5 and mixed with known, likewise finely ground additives, in particular those with high heat absorption.

Der neue Kitt hat alle guten Eigenschaften eines Schmelzkittes, der Schellack und Phenolharze als Bindemittel hat, insbesondere diejenige der richtigen Flüssigkeit, und übertrifft diesen noch an Haftfestigkeit. Sein großer Vorteil ist, daß er im Gegensatz zum Schellack mit steigender Temperatur immer flüssiger wird und die Anwendung von Schmelztemperaturen gestattet, bei welchen Schellack längst verdirbt. Damit ist die Gefahr einer Überhitzung völlig ausgeschaltet und überdies der Wiedererweichungspunkt und damit die Gefahrgrenze bei Überanstrengung der Schleifkörper ganz wesentlich übe.r diejenige bei den bekannten Schmelzkitten gelegt.The new putty has all the good properties of a melting putty, the shellac and Has phenolic resins as binders, especially those of the right liquid, and surpasses this in terms of adhesive strength. Its great advantage is that it is unlike the Shellac becomes more and more liquid with increasing temperature and allows the use of melting temperatures at which Shellac has long since spoiled. This completely eliminates the risk of overheating And, moreover, the re-softening point and thus the risk limit in the event of overexertion the abrasive body is essentially superior to that of the known melting putty placed.

Das Verfahren wird derart gehandhabt, daß aus Polyvinylacetat, Bimsstein (Kreide, Kaolin u. dgl.) und Eisenoxyd oder dessen Ersatzstoffen, die sämtlich fein gemahlen sind, eine trockene Mischung hergestellt wird. Für das Aufkitten von Schleifbelägen auf Stahlscheiben hat sich beispielsweise folgende Mischung bewährt:The process is handled in such a way that polyvinyl acetate, pumice stone (chalk, kaolin and the like) and iron oxide or its substitutes, all of which are finely ground, a dry mix is made. For cementing abrasive coatings on steel discs For example, the following mixture has proven itself:

600 Gewichtsteile eines Polyvinylacetates,600 parts by weight of a polyvinyl acetate,

200 Gewichtsteile Bimsstein oder dessen Ersatzstoffe' und200 parts by weight of pumice stone or its substitutes' and

200 Gewichtsteile Eisenoxyd oder dessen Ersatzstoffe.200 parts by weight of iron oxide or its substitutes.

Claims (1)

Patentanspruch:Claim: Kitt zur Befestigung von Schleifkörpern auf Stahlscheiben mit einem Gehalt an synthetischem Harz, dadurch gekennzeichnet, daß der Kitt als Bindemittel Polyvinylacetat enthält.Putty for fastening grinding tools on steel disks with a content of synthetic resin, characterized in that the putty is polyvinyl acetate as a binder contains.
DEK113871D 1929-03-13 1929-03-13 Putty for fixing abrasive bodies on steel disks with a synthetic resin content Expired DE545004C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK113871D DE545004C (en) 1929-03-13 1929-03-13 Putty for fixing abrasive bodies on steel disks with a synthetic resin content

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK113871D DE545004C (en) 1929-03-13 1929-03-13 Putty for fixing abrasive bodies on steel disks with a synthetic resin content

Publications (1)

Publication Number Publication Date
DE545004C true DE545004C (en) 1932-02-24

Family

ID=7242871

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK113871D Expired DE545004C (en) 1929-03-13 1929-03-13 Putty for fixing abrasive bodies on steel disks with a synthetic resin content

Country Status (1)

Country Link
DE (1) DE545004C (en)

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