Mesin taumelniet otomatis ganda dengan meja putar, ideal untuk membangun mesin khusus.

DUNKES DN 4

Twin-head orbital riveting machine with indexing rotary table DUNKES Type DN 4
with SIEMENS control system
Machine No. P 81 - 5458 Year of manufacture: 1982 / retrofitted 2009
Maximum rivet shank diameter: 12 mm
Tool shank diameter: 16 mm
Throat depth: 190 mm
Rivet head stroke per riveting unit: approx. 60 mm
Rivet spindle speed: approx. 1400 rpm
Tool-to-countertool installation height: max. 80 mm
Compressed air requirement: 6 bar
Motor power per riveting unit: 1.1 kW
Electrical connection: 380 V, 50 Hz

- Rotary indexing table with servo drive, step size programmable via Siemens PLC
- Twin riveting units adjustable within the machine frame relative to the rotary table
- Table diameter 295 mm, suitable for round workpieces
- Pneumatic riveting stroke
- Riveting unit adjustment via geared motor with leadscrew, positioning via adjustable microswitch
- Control system modernized and rotary table converted to servo drive in 2009
- New electrical control cabinet with Siemens Simatic Panel – built in 2009
- Riveting duration infinitely programmable
- Riveting pressure continuously adjustable via pressure gauge
- Micrometer stop for stroke limitation of opposing riveting units 0–60 mm
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Space required (L x W x H): 3200 x 1250 x 2400 mm
Weight: approx. 2500 kg
Good condition

The machine was used for riveting segment saw blades from Ø 400 to Ø 2000 mm.
Segments were manually mounted onto the carrier disc and fixed in place with straight rivet pins.
The opposing riveting units rivet the pin simultaneously from both sides.
The controlled rotary table automatically indexes to the next working position.
Ideal for saw blade manufacturers and repair shops.
Or for special purpose machine construction.

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