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| Manufacturer | Gräbener |
|---|---|
| Model | GK 630 NS |
| Year | 1978 |
| Location | Germany
|
Overview:
Gräbener knuckle-joint press Model GK 630 NS designed for high-force cold forming operations. The machine is specified with a nominal capacity of 630 t and is described for precision coining and embossing tasks where high pressing forces and frame rigidity are required. The press is specified with a heavy frame mass (27,000 kg) and a 28 kW drive motor, which together provide the stability and drive power typically needed in demanding metalworking applications.
Typical applications:
- High-force cold forming
- Precision coining and embossing
- Heavy stamping operations where a knuckle-joint mechanism is preferred for force transmission and stroke characteristics
Key technical specifications (as provided):
- Machine type: Knuckle-joint press
- Manufacturer: Gräbener
- Model: GK 630 NS
- Year of manufacture: 1978
- Nominal capacity: 630 t
- Stroke rate: 45 strokes/min
- Shut height: 420 mm
- Tool holder adjustment: 80 mm
- Frame width: 820 mm
- Table area (W x D): 800 mm x 850 mm
- Motor output: 28 kW
- Motor speed: 1,475 rpm
- Operating voltage: 3x 380V / 220V, 50Hz
- Total weight: 27,000 kg
- Overrun time: 206 ms
- Safety distance: 330 mm
Notes for prospective buyers:
- Specifications above are taken from the provided product details. No functional condition, testing status, or warranty is stated in those details; buyers should arrange inspection and verification of mechanical, electrical, and safety systems as needed prior to purchase.
- Confirm on-site power compatibility with the specified operating voltage and plan any required handling or transport for a machine of the listed weight.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
Industrial Knuckle-Joint Press for High-Force Cold Forming, Lot no. 101
This Gräbener press utilizes a knuckle-joint mechanism to deliver exceptional force, making it highly effective for precision coining and embossing. With a massive 27,000 kg frame and a 28 kW motor, it provides the stability required for heavy-duty metalworking operations.
Technical Details
Machine Type: Knuckle-Joint Press
Manufacturer: Gräbener
Model: GK 630 NS
Year of Manufacture: 1978
Nominal Capacity: 630t
Stroke Rate: 45 strokes/min
Shut Height: 420 mm
Tool Holder Adjustment: 80 mm
Frame Width: 820 mm
Table Area (Width x Depth): 800 mm x 850 mm
Motor Output: 28 kW
Motor Speed: 1,475 rpm
Operating Voltage: 3x 380V / 220V, 50Hz
Total Weight: 27,000 kg
Overrun Time: 206 ms
Safety Distance: 330 mm
Please note that this description may have been translated or optimized with artificial intelligence (AI) automatically. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase.
What is the capacity of this Gräbener Knuckle-Joint Press?
This Gräbener Knuckle-Joint Press has a capacity of 630 tons.
What year was this equipment manufactured?
This equipment was manufactured in 1978.
Is the machine available for inspection while running?
The machine can be seen running during an inspection visit.
Is the unit being sold as is?
The unit is offered for sale as is, where is, and subject to prior sale.
What year was this Grabener machine manufactured?
This Grabener machine dates to 1978.
The following questions and answers are generated using artificial intelligence based on the product information available. They are provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
| Client type | Factory – small or medium company |
| Active since | 2024 |
| Offers online | 91 |
| Last activity | Nov. 7, 2026 |
Industrial Knuckle-Joint Press for High-Force Cold Forming, Lot no. 101
This Gräbener press utilizes a knuckle-joint mechanism to deliver exceptional force, making it highly effective for precision coining and embossing. With a massive 27,000 kg frame and a 28 kW motor, it provides the stability required for heavy-duty metalworking operations.
Technical Details
Machine Type: Knuckle-Joint Press
Manufacturer: Gräbener
Model: GK 630 NS
Year of Manufacture: 1978
Nominal Capacity: 630t
Stroke Rate: 45 strokes/min
Shut Height: 420 mm
Tool Holder Adjustment: 80 mm
Frame Width: 820 mm
Table Area (Width x Depth): 800 mm x 850 mm
Motor Output: 28 kW
Motor Speed: 1,475 rpm
Operating Voltage: 3x 380V / 220V, 50Hz
Total Weight: 27,000 kg
Overrun Time: 206 ms
Safety Distance: 330 mm
Please note that this description may have been translated or optimized with artificial intelligence (AI) automatically. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase.
What is the capacity of this Gräbener Knuckle-Joint Press?
This Gräbener Knuckle-Joint Press has a capacity of 630 tons.
What year was this equipment manufactured?
This equipment was manufactured in 1978.
Is the machine available for inspection while running?
The machine can be seen running during an inspection visit.
Is the unit being sold as is?
The unit is offered for sale as is, where is, and subject to prior sale.
What year was this Grabener machine manufactured?
This Grabener machine dates to 1978.
The following questions and answers are generated using artificial intelligence based on the product information available. They are provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
Overview:
Gräbener knuckle-joint press Model GK 630 NS designed for high-force cold forming operations. The machine is specified with a nominal capacity of 630 t and is described for precision coining and embossing tasks where high pressing forces and frame rigidity are required. The press is specified with a heavy frame mass (27,000 kg) and a 28 kW drive motor, which together provide the stability and drive power typically needed in demanding metalworking applications.
Typical applications:
- High-force cold forming
- Precision coining and embossing
- Heavy stamping operations where a knuckle-joint mechanism is preferred for force transmission and stroke characteristics
Key technical specifications (as provided):
- Machine type: Knuckle-joint press
- Manufacturer: Gräbener
- Model: GK 630 NS
- Year of manufacture: 1978
- Nominal capacity: 630 t
- Stroke rate: 45 strokes/min
- Shut height: 420 mm
- Tool holder adjustment: 80 mm
- Frame width: 820 mm
- Table area (W x D): 800 mm x 850 mm
- Motor output: 28 kW
- Motor speed: 1,475 rpm
- Operating voltage: 3x 380V / 220V, 50Hz
- Total weight: 27,000 kg
- Overrun time: 206 ms
- Safety distance: 330 mm
Notes for prospective buyers:
- Specifications above are taken from the provided product details. No functional condition, testing status, or warranty is stated in those details; buyers should arrange inspection and verification of mechanical, electrical, and safety systems as needed prior to purchase.
- Confirm on-site power compatibility with the specified operating voltage and plan any required handling or transport for a machine of the listed weight.
The following description has been generated using artificial intelligence based on the product information available. It is provided for guidance only and may not reflect all specifications or conditions. Please contact us if you need precise or confirmed details.
| Client type | Factory – small or medium company |
| Active since | 2024 |
| Offers online | 91 |
| Last activity | Nov. 7, 2026 |
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