Broaching machine

Rausch Raeummaschine RS3, RS4, RS 6

Manufacturer: Rausch
Model: RS3 /1000
Machine No.: 3714/1070
Year of Manufacture: 1995
Weight: 400 kg
Overhaul Due: 04/2025 by Wiemers AG

General / Technical Data:
Unused, fully overhauled mechanical vertical broaching machine Rausch RS 3, with CE marking
Pulling force: 3,000 kg
Broaching speeds: 3 m/min & 6 m/min
Return speed: 6 m/min
Maximum stroke: 1,000 mm
Maximum tool length: 1,200 mm
Table size / workspace: 430 mm x 320 mm / 340 mm x 220 mm
Table opening: Ø 90 mm for standard keyway broaches "Rausch system"
Workpiece diameter: unlimited (removable coolant swiveling system)
Broaching capacity / slot width: up to 18 mm in steel (from 16 mm slot width only with stepped tool shank)
Dimensions (H x W x D): 2,250 mm x 800 mm x 750 mm (H = including 3-sided safety enclosure)
Motor: 2.5 kW / 3.0 kW
Power supply: 400 Volt / 50 Hz

Features:
- Gear motor drive with 2 working speeds
- Safety door with interlock system (emergency stop circuit)
- Easily removable chip chute with tool rest
- Externally adjustable tool length setting system (Rausch system)
- Protective covers for stroke adjustment and electrical switch gear
- Electrical sensing of clamping jaws (tool removal check prevents unintentional return of the pull bridge, adding extra safety for operator and tool)
- Integrated coolant system
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- Coolant swiveling system (without electrical switching function)
- Three-sided splash guard enclosure with wide front opening for working area
- Extra reinforced chip basket and chip screen with magnet feature
- Stainless steel operator panel with permanent labeling
- 4 central lubrication points for leadscrew drive with manual grease gun
- New machine documentation
- CE marking by manufacturer (1995)

Remarks:
The machine is overhauled and the machine body has been fully refurbished. The following wear parts were replaced or renewed:
- New trapezoidal screws and nuts made of cast wear-resistant bronze
- All bearings and seals replaced
- The entire coolant system incl. coolant/lubricant swiveling system is new
- New two-speed SEW gear motor
- New electrical system (Siemens)
- New safety door replacing the old light barrier
- New clamping jaws
- All sheet metal parts such as covers, chip chute, basket, screen, and spindle guard are new
- Stainless steel operator panel with permanent labeling
- Machine has been newly painted with 2-component structural lacquer
This machine carries the manufacturer’s CE marking.

General Information:
The twin-spindle drive ensures quiet, centrally aligned pull and constant broaching speed. The machine is primarily designed to cut keyways up to 18 mm wide (from 16 mm tool width only with stepped tool shanks).
The design allows for quick and easy setup for broaching with flat broaches for keyway slots.
Thanks to the universally designed pull bridge and machine table, broaching with both profile and flat broaches is possible without requiring additional pull heads.

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