เครื่องจักรบรอชชิง (broaching machine)

Rausch RS3/800

Manufacturer: Rausch (Haan/ Rhld)
Model: RS 3 G/800
Machine No.: 2968/424
Year of manufacture: 1970
Weight: 370kg
Overhaul: 8/2025 by Wiemers AG
Our Ref. / Machine No.: WAG 787

General / Technical Data:
Unused, overhauled mechanical vertical broaching machine by Rausch
Pulling force: 3,000kg (30kN)
Broaching speeds: 3m/min and 6m/min
Return speed: 3m/min
Maximum stroke: 800mm
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Maximum tool length: 1,000mm
Table size / working surface: 340mm x 220mm / 430mm x 310mm
Table opening: Ø 90mm for standard broaching mandrels
Workpiece diameter: unlimited (without spray guard cabin)
Dimensions (h x w x d): 1,950mm x 820mm x 900mm (h = table height from floor without attachments)
Motor: 3.5kW
Power supply: 400 Volt / 50 Hz

Accessories / Special Features:

- Modified drive system with geared motor and toothed belt drive
- 2 broaching speeds: 3m/min & 6m/min
- External stroke adjustment, cross-machine reproducible tool length adjustment system
- Integrated coolant unit with check valve and drain cock, including selector switch for automatic operation (does not automatically switch in swivel mode)
- Patented coolant/lubricant swivel system
- Three-sided enclosed, front-open spray guard cabin (no external operator panel)
- Machine enclosure below the safety door with chip guard and tool storage area
- Electrical cabling within steel protective conduits
- Electrical jaw monitoring (tool removal control to prevent unintended retraction of the pull bridge)
- Safety door with integrated emergency stop function
- Control panel made from stainless steel sheet with permanent marking
- 4 central lubrication points for the trapezoidal spindle drive
- Machine documentation

Remarks:

The machine is fully overhauled, with the frame completely refurbished.
The following wear parts have been replaced:

- New trapezoidal spindles and spindle nuts made from cast wear-resistant bronze
- All bearings and seals replaced
- Central drive shaft is new
- Coolant system (pump, check valve and drain cock), including coolant/lubricant swivel system, is new
- Jaws are new (pull bridge additionally reinforced)
- A switchable jaw monitoring system has been installed (additional safety for operators and to prevent tool breakage)
- A safety door with interlock has been installed instead of the rubber reach-in protection
- Tool length adjustment system relocated outside the machine compartment
- Additional limit switches installed
- Complete electrical system (control cabinet) with Siemens components is new
- Control panel made of stainless steel with durable labeling
- New geared drive motor (SEW) with toothed belt drive
- Machine has been repainted with 2-component structural paint

The machine is stored at our warehouse and can be inspected under power.

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