- Mon - Sat 8:00 - 18:00
- [email protected]
- 0086-21-58386256
United States Patent 2126403 . Abstract: This invention relates to grinding wheels and to chucks therefor, and particularly to chucks for cylindrical wheels supported from one end and having the face of the opposite end used for grinding. ... An abrasive device comprising a ring having an annular seat, a plurality of grinding wheel segments ...
A grinding wheel for use in precision wet grinding which involves the use of a water soluble based coolant. The grinding wheel includes a mix of at least an abrasive and a resin and also an effective amount of a relatively coarse granular water soluble material. Such material is inert to the other components of the mix and achieves a relatively neutral or slight alkaline pH in water …
The grinding wheel as in claim 1, wherein said edge grinding wheel includes a periphery that has a beveled portion merging into a concavely curved portion to impart a contour comprising a beveled portion forming an obtuse angle with one major surface of said glass sheets merging into a convexly shaped portion merging into its other major ...
Justia Patents US Patent for Electrocontact discharge dressing method for grinding wheel Patent (Patent # 4,937,416) Electrocontact discharge dressing method for grinding wheel . Feb 24, 1989. An electrocontact discharge dressing for a grinding wheel is performed by contacting a grinding surface of the grinding wheel, which is formed by bonding ...
4 ndressing operations similarly fail to remove material, the grinding wheel diameter would be off bynh×∆, until the grinding wheel is large enough compared to its excepted size so that the threshold force is exceeded (Fnth>F), and the dressing roll removes material from the grinding wheel. In any event, if a threshold force exists, the
Patent US4956945A - Internal grinder (US 4,956,945 A); Owner: Seiko Seiki Kabushiki Kaisha; Filed: 03/14/1989; Est. priority date: 03/18/1988; Status: Expired due to Term; Abstract: An internal grinding apparatus having a grinding wheel attached to a spindle rotor radially and axially supported by electromagnetic bearings. Currents applied to the electromagnetic …
Justia Patents Stone Working Patents Turning Patents Grinding-wheel Dressing Patents (Class 125/11.01) Grinding-wheel Dressing Patents (Class 125/11.01) Indexing of tool point (Class 125/11.02) Rotary or crush dressing (Class 125/11.03) Contouring of grinding wheel face (Class 125/11.04) ...
When sol-gel alumina vitrified bonded grinding wheels are prepared in accordance with this invention, i.e. containing a combination of both a bubbled alumina and an organic pore inducing material, the resultant wheel is improved substantially over wheels prepared with either material alone and may be operated at higher unit pressure.
US4618349A - Grinding wheel manufacturing method - Google Patents A grinding wheel comprising abrasive grains each of which is coated with a conductive material and a non-conductive binder...
Hermes surface grinding wheels are vitrified bonded, so can be dressed. They can be used for a broad range of materials requiring machining. CBN bonded abrasives for high-performance surface grinding from 80 m/s operating speed are available with metal core bodies. Product benefits Applications Hermes solutions for...
B24D—TOOLS FOR GRINDING, BUFFING, OR SHARPENING B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor...
A grinding wheel is described which is bonded with a phenol formaldehyde resin based bond containing hexamethylenetetramine as the curing agent. The wheels are made by first wetting the abrasive with furfural in varying quantities relative to the amount of hexamethylenetetramine in the phenol formaldehyde resin.
US5089032A - Grinding wheel - Google Patents Grinding wheels are constructed with an improved type of resin binder of a low molecular weight solid epoxy resin. The epoxy resin is …
PEGATEC Grinding Wheel 10 Pack,4.5"x 0.32"x 7/8" Grinding Discs Angle Grinder Wheel All in One Grinding Heat Dissipation Design Utility Patent 4.7 out of 5 stars 50 $21.99 $ 21 . 99
A properly balanced grinding wheel can improve the form and finish of the work piece, while extending spindle life Modern grinding technology, the last and decisive stage in the attainment of perfect surfaces, is the key area of concentration in technological development efforts and includes grinding wheels, dressing tools and machinery.
research and development program in grinding wheel technology, comes Vitrium3 a new generation, patent-pending bond technology. This revolutionary bond platform features an exclusive chemistry that delivers an entirely new grain adhesion science. The benefi ts of Vitrium3 allow cool cutting
This web page summarizes information in PubChem about patent JP-S61100374-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes.
This web page summarizes information in PubChem about patent JP-S61100374-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
Answer (1 of 2): No, it wasn't the caveman who invented the rotary grinding wheel. Although the use of abrasives goes back to the earliest man's rubbing of one hard stone against another to shape a weapon or a tool, the grinding wheel would come much later. The earliest known representation of a...
for example, u.s. pat. no. 3,470,047 discloses an improved resin-bonded grinding wheel wherein a resin-bonded abrasive-containing rim member is …
Help. New Window. (57) Abstract: A resinoid grinding wheel that does not adversely affect an object to be ground due to frictional heat generated during grinding. SOLUTION: The resinoid grinding wheel 4 is characterized in that an abrasive material 1, a binder resin 2 and naphthalene 3 are mixed, molded, solidified, and heat-cured. Google Patents.
A grinding wheel of segmental type including an inner cylindrical core portion, and an outer grinding portion consisting of a plurality of segments which have abrasive layers formed of abrasive grains bonded together with a glass bonding agent and which are bonded to an outer circumferential surface of the core portion with a synthetic resin layer interposed …
An Ax (le) Needs Grinding: Can the Federal Circuit Turn the Wheel? Meredith Addy. 3 months ago. The Federal Circuit faces an old challenge under new Chief Judge Moore. It should assume the burden ...
Their patent was specifically for abrasives used in sandpaper. Norton followed in 1982 with a seeded gel process that did not infringe on 3M's work. Norton's abrasive patent covered both sandpaper and grinding wheel applications. When 3M began selling the cubitron abrasive to wheel manufacturers Norton filed a patent infringement claim.
Grinding tools. United States Patent 5094671. Abstract: The invention relates to grinding tools, particularly to grinding wheels having an annular band of abrasive material at their periphery and provides an improved method of manufacture. A mixture of abrasive material, temporary binder and ceramic bond is heated to paste-like consistency and ...
- Google Patents Improved rigid grinding wheels are described which have a rigid organic matrix binding particulate diamond or cubin boron nitride abrasive uniformly dispersed therein between a...
Metal bond grinding wheel - Patent JP-5850817-B2 - PubChem. National Center for Biotechnology Information. 8600 Rockville Pike, Bethesda, MD, 20894 USA. Contact. Policies. FOIA. National Library of Medicine. National Institutes of Health. Department of Health and Human Services.