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NC-Point Oy

320 SBRK-C, 520 SBRK-C, 720 SBRK-C

Balancing Machine for Crankshafts

  • Fully automatic balancing of crankshafts
  • Digital measurement processing and optimizedcorrection calculation
  • NC axis control for unbalance correction
  • High-speed drilling with drill lubricant or minimum quantity lubrication
  • Interfacing with loading gantryis possible

Range of application

Measurement and correction of unbalance of machined passengervehicle and commercial-vehicle crankshafts. Use of the machine in mid-volume production. Unbalance correction by drilling into the counterweights in one or more correction steps.

Design

Single-station machine with stable balancing frame and hydro-dynamic support pedestals. Hook-drive for
driving the crankshaft at the crankpin. Rear-inclined drill gantry with NC-controlled carriage-drill unit.
Indexing the crankshaft, displacement of the drill unit and control of drilling depth by the microprocessorcontrolled measuring unit.

Sequence of operations

  • Manually or automatically load the crankshaft
  • Close the protective door and start the automatic measuring run:
  • Lower the crank into sleeve shells, close the counter bearing, measuring run, drill the correction holes, check run, open the counter bearing, index to the home position, lift
  • Open the protective door and unload

Special features

Measurement and correction of unbalance in the same station; hence less rotor handling.
The vibrating frame with multiple journal bearings provides measurement under conditions similar to operating conditions, less surface loading when drilling and is gentle on main crank journals.
Drilling with coolant shortens drilling time and improves tool life.
Lisää informaatiota
Järjestely
1   Operating panel 2   Measurement and control unit 3   Drill 4   Swarf removal 5   Switch cabinet Plan view (non-binding example: dimensions and set-up of the switch cabinet depend on the relevant application)
Kontakti

Pekka Pirttilahti

Puhelin
+358 (0)9 2746910
E-Mail

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