[icon name=”file-pdf-o” class=”” unprefixed_class=””] Print offer



Hydr. Cylindrical Grinding Machine RIBON RUR 800,
with internal grinding attachment

manufacturer: RIBON
type: RUR 800
mach.-nr.: N6/0537
year of construction: 1988* / 2017 tüp.
comm.-nr.: 3990500/009
stock-nr.: 1875

Special Price: 7.650,- € | now 4.972,50 € net +++ SOLD +++


The machine can be used for:

  • external grinding
  • internal grinding
  • planar grinding
  • cone grinding
  • chamfering
  • slope grinding

Technical Data

(According to manufacturer)

height of tip: 140 mm
swing – Ø: 280 mm
width of tip: 800 mm

grinding wheel:

diameter: 355x 127 x 32 mm
max. width of full grinding wheel during punch-grinding: 60 mm
max. size total width of grinding wheel set: 70 mm
max. sum of single widths: 32 mm
grinding wheel speeds infinitely adjustable via planetary gear

grinding head:

adjustment of grinding head: 90° each
max. grinding head hub: 180 mm
max hub using hand wheel: 180 mm
autom. interval feed: 0,005 – 0,015 mm
feed via one revolution of the hand wheel: 1,3 mm
feed via one hand wheel unit: 0,005 mm
max. diameter adjustment: 0,05 – 3,0 mm
diameter adjustment via tipping switch: 0,005 mm
diameter adjustment via micro-stop: 0,001 mm

headstock spindle:

8 workpiece speeds, adjustable: 35 – 310 rpm
spindle cone or inner cone of headstock spindle: MK 4
headstock spindle bore: 24 mm
tilting of headstock: -30/+90°


inner cone of quill: MK 2
quill way: 20 mm


max. table tilt: 5° each
max. cone angle: 10°
table speed, adjustable: 190 – 940 mm/Min.
min. table travel using hydraulic movement approx.: 1 mm
1 turn of hand wheel approx.: 15 mm table movement

drive power: approx. 4 kW
weight: approx. 1.600 kg
standing area: W 2,30 x D 1,00 x H 1,50 m
color: blue / grey-white



  • positionable internal grinding device
  • manual or automatic operation
  • grinding wheel speed infinitely adjustable
  • upper table for cone grinding with fine adjustment and dial gauge
  • automatic adjustment works as punch grinding adjustment, without adjustment,
    table-dependent adjustment: # right # left and right # left only
  • creep traverse, spark-out times infinitely adjustable
  • ejecting infinitely adjustable, can be disabled
  • 3 – B. – grinding padding Ø 160 mm, with inner and outer clamps (unused)
  • tailstock centres
  • reducer cap to MK2
  • adjustable table limiter with measuring clock (new)
  • grinding stone puller, adjustable, with diamond
  • wet-grinding equipment
  • central lubrication
  • leveling screws with vibration-dampening feet
  • operating manual


  • If the year of construction has a “tüp.”-date, that means the machine has been electrically and technically inspected by us on that date.
  • If the year of construction has a “tüb.”-date, that means the machine has been partially overhauled on that date according to the prior owner.
  • If the year of construction is marked “*”, it is the information the prior owner relayed to us or our own estimation.

All prices will have an additional 19 % tax added (German “Mehrwertsteuer/Mwst.”) on your invoice. Buyers from foreign countries will pay the net price without an additional tax, if they provide us with their Ident.-Nr.

All prices are ex-works, without packaging or delivery. The machine will be loaded on a truck free of charge, provided you pick it up at our warehouse.
The buyer bears the cost of packaging and delivery. Packaging is done only after the buyer has signed a sales contract.

Attention – Important!!!
If you want us to facilitate the shipping with an external contractor, this will be done on behalf of and paid for by the buyer. We are not responsible for transport or unloading damage. By buying from us, you automatically agree to these terms and conditions.

All information and technical data on this website is non-binding, errors excepted. All sales are subject to our Terms and Conditions, which you can find here (German only).

[icon name=”file-pdf-o” class=”” unprefixed_class=””] Print offer

2023 | proha-maschinen.de | AGB | Impressum | Datenschutz