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Hydr. Cylindrical Grinding Machine

manufacturer: WMW MARATHON-WERKE
build type: Reinecker
type: SA 240
mach.-nr.: 66973
year of construction: 1988* / 2018 tüp.
comm.-nr.: 3990700/009
stock-nr.: 1867

Special Price: 8.400,- € | now 6.720,- € +++ SOLD +++


The machine can be used for:

  • outer grinding
  • surface grinding
  • cone grinding
  • edge grinding
  • chamfering
  • plunge grinding


Technical Data

(According to manufacturer)

height of tip: 120 mm
swing – Ø: 240 mm
width of tip: 630 mm

grinding wheel:

diameter: 400 mm
bore diameter: 127 mm
max. width of full grinding wheel during punch-grinding: 50 mm
greates total width of grinding wheel set: 80 mm
greatest sum of single widths: 50 mm
grinding wheel speed: 1.650 rpm = 35 m / s

grinding head:

max. grinding head hub: 295 mm
max hub using hand wheel: 200 mm
additional hub: 95 mm
autom. interval feed, infinitely adjustable: 0,0025 – 0,04 mm
hand wheel feed: 0 – 0,8 mm
automatic feed: 0 – 0,8 mm
feed via one revolution of the hand wheel: 1,0 mm
feed via one hand wheel unit: 0,01 mm
rapid traverse of grinding head: 40 mm
max. diameter adjustment: 2,0 mm
diameter adjustment via tipping switch: 0,005 mm
diameter adjustment via micro-stop: 0,001 mm

headstock spindle:

4 workpiece speeds, adjustable: 50 – 400 rpm
rotatability of headstock spindle against the grinding wheel: 90°
spindle cone or inner cone of headstock spindle: MK 4


inner cone of quill: MK 3
quill way: 60 mm

max. table tilt: 10° each
max. cone angle: 20°
table speed, adjustable: 30 – 3.000 mm / min.
min. table travel using hydraulic movement approx.: 3 mm
table oscillation during plunge grinding: 3 – 5 mm
table adjustment via hand, fine: hand wheel unit = 0,03 / 1 hand wheel revolution 7,5 mm
table adjustment via hand, rough: hand wheel unit = 0,12 / 1 hand wheel revolution 29,5 mm

drive power: approx. 8,5 kW
weight: approx. 2.400 kg
standing area: W 1,90 x D 1,30 x H 1,40 m
color: blue / grey-white



  • manual or automatic operation
  • 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
  • rapid traverse infinitely adjustable
  • creep traverse infinitely adjustable
  • ejecting infinitely adjustable, can be disabled
  • tailstock can be activated mechanically by hand lever or hydraulically via foot switch
  • hydr. table oscillation
  • 3 – B. – grinding padding Ø 125 mm, with inner and outer clamps (unused)
  • fixed prick punch MK3
  • universal grinding stone puller, adjustable and tiltable
  • second grinding wheel flange with grinding wheel
  • wet-grinding equipment with magnetic filter


  • 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 (currently German only).

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