RTM 270

Brand: Berco

The Berco RTM 270 is a crankshaft grinder which has been designed to meet the manifold requirements of those people who must handle both unit and production regrinding of small and medium runs of crankshafts. If view of this, the RTM 270 has been realized in three different executions, each one having three different distances between centers.

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Characteristics

  • safetyguard
  • coolingsystem, complete with powerpump and tank on the back of machine, with standard 1/2" gasthreadnozzle
  • 1 grindingwheel, 710 mm (28"), dia. 55 mm (1") thick
  • 1 dummy shaftwheelbalancing
  • 1 wheelhubpuller
  • 1 oversizemotorpullet, for wormwheel
  • 1 truncated center for workhead
  • 2 centers with ringnuts for workheads
  • 1 centerpuller
  • 2180 mm (73/ 32")
  • dia. self-centering chucks, with chuckspanner
  • 2 drivingdog, 20 ÷ 6 0 m m (31/64” - 23/8” ) capacity
  • 2 drivingcollars
  • 2 normal steady rests
  • 2 auxiliary counterweights
  • 1 toolkit complete with: 1 centerposition checkingattachment, 1 centerrod, 2 dialgauges for ditto
  • 1 square for centering rod
  • 1 feelergauge for the centering rod
  • DMI attachment for taking crankthrow
  • 7 adjustable wedges for machinelevelling
  • 1 greasegun
  • set of service spanners
 

Machineparts

Working capacity

  • Max. diameter ground with full-size wheel: 150mm, 529 /32”
  • Max. swing over table: 540mm, 211 /4”
  • Min. diameter admitted in steady rests 30mm, 111 /64”
  • Max. diametera dmitted in steady rests: 140mm, 533 /64”
  • Max. eccentricity of workheads (throw): 120mm, 423 /32”
  • Max. mass admitted between centers: 300kg, 661 lbs
Geometric features
  • Height of center over table: 270mm. 105 /8”
  • Max. distance between centers (2 executions): 1300 - 1600 - 1950 mm, 51” - 63” - 7625 /32”
  • Max. distance between chucks (2 executions): 1270 - 1569 - 1919mm, 50” - 6125 /32” - 759 /16”
  • Self-centering chuck diameter: 180mm, 73 /32”
  • Max. grinding wheel diameter: 710mm, 28” Min.
  • grinding wheel thickness: 20mm, 25 /32”
  • Standard grinding wheel thickness: 25mm  1”
  • Max. grinding wheel thickness: 63mm, 231 /64”

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Pommee Machines & Equipment B.V.

Energieweg 22,
2382 NK, Zoeterwoude
The Netherlands
T: +31 – 164 682 754
E: info@pommee.nl

KvK nr: 20066723
B.T.W. nr: NL8010.18.109.B01

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