Hermes Superabrasives
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Catalog excerpts

Hermes Superabrasives - 1

Bonded Abrasives Hermes Superabrasives CBN and Diamond vitrified bonded abrasives

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Hermes Superabrasives - 3

Hermes Abrasives Group The Hermes Abrasives Group . . . . . . . . . . . 4 Hermes Schleifkörper GmbH . . . . . . . . . . . 5 Quality – our trademark . . . . . . . . . . . . . 5 For nature and the environment . . . . . . . . . . 5 Abrasives Diamond . . . . . . . . . . . . . . . . . . . 6 CBN (Cubic Boron Nitride) . . . . . . . . . . . . 7 The benefits of vitrified bonded CBN and Diamond grinding wheels . . . . . . . . . 6 Primary applications for vitrified bonded CBN and Diamond grinding wheels . . . . . . . . . 7 Hermes solutions Internal cylindrical grinding . . . . . . . . . . . . 8...

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Hermes Superabrasives - 4

The Hermes Abrasives Group The Hermes parent factory was founded in the Lurup district of Hamburg in 1927 and has remained the group‘s head office to this day. Hermes now has over 11 production facilities and subsidiaries in 4 continents throughout the world and for decades, has been a world market leader in the production of abrasives. The map of the world below illustrates our presence and our commitment. Dr. Siegfried Blankenburg Managing Director, Hermes Schleifkörper GmbH, Dresden Dear Hermes Customers, I am delighted to take the opportunity presented by the publication of our “Hermes...

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Hermes Schleifkörper GmbH On the one hand, we owe a great deal to tradition, but on the other, we are pioneers in the development of innovative products; Hermes places enormous value on the production of high-quality abrasives to the latest state of the art. Hermes vitrified bonded superabrasives are one of the outstanding product strengths of the Hermes Abrasives Group and its worldwide operations. The bonded abrasives activities of the group are bundled in Hermes Schleifkörper GmbH in Dresden, with two production facilities located in Dresden and in Uetersen, near Hamburg. In both plants...

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Hermes Superabrasives - 6

Diamond Diamond has the greatest hardness and resistance to wear of all known substances and is therefore suitable for machining (grinding) hard and brittle materials such as hardened metal, cermets, glass and ceramic. Syntheticallyproduced diamond is mainly used for abrasives nowadays. The starting material is carbon (graphite) which, under the effects of temperature, pressure and catalysts, is synthesized into the diamond crystal lattice. Diamond has a high affinity for carbon, i.e. carbon-containing material such as steel draws carbon out of the diamond under the action of heat,...

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CBN (Cubic Boron Nitride) CBN (Cubic Boron Nitride) has the same crystalline structure as diamond and is therefore likewise extremely hard. In CBN, boron and nitrogen atoms, rather than carbon atoms, form the crystal lattice. Cubic boron nitride does not occur in nature and is therefore produced only synthetically in a similar process to that for synthetic diamond. In 1957, General Electric was the first company to synthesize CBN. Because CBN, in contrast to diamond, is free of carbon, it is particularly suitable for grinding hardened steels containing carbon. Material properties Hardness...

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H er m es s olu t ions u sing CBN bonded abr asives Internal cylindrical grinding Product description Hermes CBN vitrified bonded abrasives for internal cylindrical grinding have proved outstanding in medium to large-scale production. In the course of intensive research work, we have developed an extraordinarily sharp, high-performance bond for internal cylindrical grinding. This bond enables our bonded abrasives to achieve longer tool lifes (chip volume) and its excellent self-sharpening properties reduce grinding times. Bonded abrasives can also be supplied with a steel or hardened metal...

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Hermes Superabrasives - 9

Surface grinding Product description Hermes surface grinding wheels are characterized by the ideal balance between the three main components: abrasive, pores and ceramic bond. This facilitates cool grinding, high relative metal removal rates and outstanding tool lifes. 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...

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Hermes Superabrasives - 10

H er m es s olu t ions u sing CBN bonded abr asives External cylindrical grinding using Quickpoint method Product description Segmented Hermes Superabrasives for peel grinding allow operating speeds of up to 140 m/s. Their outstanding grinding properties were achieved by a newly-developed, vitrified bond matrix in conjunction with specially-selected CBN grit qualities. The tools are used on Junker‘s Quickpoint machines, for example. Hermes solutions for das Hochleistungs-Schälschleifen Specification Operating speed Dimensional example Material Workpiece Specification Operating speed...

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Hermes Superabrasives - 11

External cylindrical grinding of crankshafts Product description Hermes crankshaft grinding wheels with segmented CBN coatings can be manufactured in external diameters up to 750 mm. Further optimization of high-performance bond V24 has signifi cantly improved grinding properties. The significantly increased profile stability of the CBN coating in particular leads to shorter grinding times and longer tool lifes. Hermes Superabrasives for external cylindrical infeed grinding can be used at operating speeds of up to 160 m/s. Hermes solutions Specification Operating speed Dimensional example...

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Hermes Superabrasives - 12

H er m es s olu t ions u sing CBN bonded abr asives Roll grinding Product description High-alloy materials require suitable high-performance abrasives for roll grinding. Our newly-developed CBN grit mixture meets this need. The performance potential of CBN required is exploited to the full in combination with a high-performance bond. Hermes solutions for high-performance peel grinding Specification Operating speed Dimensional example Material Product benefits • Surfaces are stable in the long term, yet can have varying designs (adjustable by means of the appropriate dressing and grinding...

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