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Our Solutions / Grinding Rings

Grinding Rings

Hioma

Grinding rings (HR) are developed especially for face grinding; for example plane straightening in engineering, and furthermore for stone and concrete surface finishing, sharpening; wood and paper mill knife manufacturing and maintenance and railroad grinding applications; rail head corrugation grinding, rail profile reconditioning and joint weld profile grinding.

Equipment Compatibility

Hioma grinding wheels are compatible with rail grinding machines from leading manufacturers, including Geismar, Robel, Vossloh, Goldschmidt, Autech, Nencki, Windhoff, Lüddeneit & Scherf, and Mankinen – as well as most other brands of rail grinding equipment using standard e.g. M20, M14, M12, 4×M8, or 4×M10 mountings.

  • For surface grinding
  • For straightening surfaces in machine construction
  • For finishing stone and concrete surfaces
  • For sharpening
  • For refurbishing blades in the wood and paper industry
  • For rail grinding
  • For removing waves and ripples from rail heads
  • For grinding rail profiles
  • For profile grinding of rail joints

Measurements

D × T × H

200 × 100 × 20
250 × 50 × 130
255 × 25 × 120
200 × 50 × 100
280 × 100 × 180
300 × 100 × 250
300 × 125 × 240
400 × 60 × 25

D × T × H

127 × 60 × 55 – 4×M8
150 × 60 × 80 – 4×M8
150 × 72 × 55 – 4×M8
210 × 80 × 230 – 4×M10
240 × 70 × 135 – 4×M10
400 × 53 × 250 – 4×M12
400 × 60 × 250 – 3×M12
455 × 60 × 320 – 399 × 8/10×M12
500 × 80 × 400 – 12×M12

Quality examples

→ How to read these markings?

Motor block planing
503A46-N5B2
Concrete floor grinding
79C16-L5B1
Joint weld grinding
10A20-L3B2K
Rail steel R260
16A14-L5B21P
Rail steel R200
61A16-O3,0B2K2
Rail steel R290
61A16-O3,5B2K2
Rail steel R350HT
61A16-O5B2K2