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| Manufacturer | Studer |
|---|---|
| Model | Rhu 650 |
| Year | |
| Location | Italy
|
The Studer RHU 650 is a universal cylindrical grinding machine designed for precision grinding tasks. It features a robust construction with overall dimensions of 2200 mm in length, 1500 mm in width, and 1700 mm in height, weighing approximately 2500 kg. The machine accommodates workpieces with a maximum length of 700 mm between centers and offers a center height of 175 mm.
This model is equipped with grinding wheels measuring 400 mm in diameter and 50 mm in width, with a bore size of 127 mm. The grinding wheel speed can reach up to 20,450 rpm, driven by a 4 HP wheel spindle motor. The wheelhead includes hydraulic rapid advance and return capabilities with a 40 mm travel for quick adjustments.
The machine features a longitudinal slide with an infinitely adjustable table speed ranging from 0.05 to 5.5 m/min, and a table reversal delay adjustable between 0 to 6 seconds. The minimum automatic table travel is 1.5 mm, and the rotary table can tilt up to 10°, allowing for versatile grinding angles. Manual longitudinal slide adjustment is facilitated via a handwheel with a 25 mm travel per turn.
The workhead can tilt 90° to the grinding wheel and supports spindle speeds between 20 and 450 rpm. It includes an internal taper Morse 5 spindle, a collet shank diameter of 25 mm, and a 3-jaw chuck with a diameter of 160 mm for secure workpiece holding.
From the images, the machine presents a clean and well-maintained appearance with no visible damage or rust. It has a red and white painted exterior and features two large hand wheels on the front panel for manual operation. Protective covers are installed over the grinding wheel area, and an electrical motor is mounted on the right side. The grinding wheel and work rest assembly include adjustment screws, and a blue flexible coolant hose with an orange nozzle is present, indicating coolant system integration. The work rest plate has multiple mounting holes, and a four-jaw chuck is visible on the left side. The rotary table base has clear degree markings for angular positioning, and the base appears clean and legible.
Overall, the Studer RHU 650 is a versatile and well-equipped grinding machine suitable for various cylindrical grinding applications, offering precise control and adjustment features to meet demanding machining requirements.
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.
UNIVERSAL GRINDING MACHINE STUDER mod. RHU 650 code RT0481
N/S 03.01
Center height 125/175 mm
Distance between centers 700 mm
Maximum longitudinal table travel 700 mm
Maximum grinding length at 30° with right-hand mounted grinding wheel 530 mm
Longitudinal slide
Infinitely adjustable table speed 0.05–5.5 m/min
Table reversal delay 0–6 sec
Minimum automatic table travel 1.5 mm
Maximum rotary table tilt 10°
Manual longitudinal slide adjustment per handwheel turn 25 mm
Workhead
Tilt to grinding wheel 90°
Spindle speed range with 125 mm center height 20–450 rpm
Spindle speed range with 175 mm center height 20–450 rpm
Workspindle internal taper Morse 5
Collet shank diameter: 25 mm
3-jaw chuck diameter: 160 mm
Wheelhead
Left-hand grinding wheel
Selectable diameter: 400/300 mm
Maximum width: 50 mm
Bore: 127 mm
Right-hand grinding wheel
Diameter: 400 mm
Width: 50 mm
Bore: 127 mm
Wheel spindle speed
Wheel Ø 400 mm: 1500 / 1625 / 1800 rpm
Wheel Ø 300 mm: 2000 / 2200 / 2420 rpm
Wheel spindle motor: 4 HP
Wheelhead quick adjustment: hydraulic rapid advance and return 40 mm
Total power requirement
Machine without internal grinding device: approx. 5 kW
Dimensions and weight
Grinding: 2200 x 1500 x 1700 mm
Electrical panel: 800 x 650 x 1500 mm
Total weight: approximately 2500 kg
NON-BINDING DATA TO BE VERIFIED
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.
| Client type | Machinery dealer |
| Active since | 2010 |
| Offers online | 135 |
| Last activity | Nov. 3, 2026 |
UNIVERSAL GRINDING MACHINE STUDER mod. RHU 650 code RT0481
N/S 03.01
Center height 125/175 mm
Distance between centers 700 mm
Maximum longitudinal table travel 700 mm
Maximum grinding length at 30° with right-hand mounted grinding wheel 530 mm
Longitudinal slide
Infinitely adjustable table speed 0.05–5.5 m/min
Table reversal delay 0–6 sec
Minimum automatic table travel 1.5 mm
Maximum rotary table tilt 10°
Manual longitudinal slide adjustment per handwheel turn 25 mm
Workhead
Tilt to grinding wheel 90°
Spindle speed range with 125 mm center height 20–450 rpm
Spindle speed range with 175 mm center height 20–450 rpm
Workspindle internal taper Morse 5
Collet shank diameter: 25 mm
3-jaw chuck diameter: 160 mm
Wheelhead
Left-hand grinding wheel
Selectable diameter: 400/300 mm
Maximum width: 50 mm
Bore: 127 mm
Right-hand grinding wheel
Diameter: 400 mm
Width: 50 mm
Bore: 127 mm
Wheel spindle speed
Wheel Ø 400 mm: 1500 / 1625 / 1800 rpm
Wheel Ø 300 mm: 2000 / 2200 / 2420 rpm
Wheel spindle motor: 4 HP
Wheelhead quick adjustment: hydraulic rapid advance and return 40 mm
Total power requirement
Machine without internal grinding device: approx. 5 kW
Dimensions and weight
Grinding: 2200 x 1500 x 1700 mm
Electrical panel: 800 x 650 x 1500 mm
Total weight: approximately 2500 kg
NON-BINDING DATA TO BE VERIFIED
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.
The Studer RHU 650 is a universal cylindrical grinding machine designed for precision grinding tasks. It features a robust construction with overall dimensions of 2200 mm in length, 1500 mm in width, and 1700 mm in height, weighing approximately 2500 kg. The machine accommodates workpieces with a maximum length of 700 mm between centers and offers a center height of 175 mm.
This model is equipped with grinding wheels measuring 400 mm in diameter and 50 mm in width, with a bore size of 127 mm. The grinding wheel speed can reach up to 20,450 rpm, driven by a 4 HP wheel spindle motor. The wheelhead includes hydraulic rapid advance and return capabilities with a 40 mm travel for quick adjustments.
The machine features a longitudinal slide with an infinitely adjustable table speed ranging from 0.05 to 5.5 m/min, and a table reversal delay adjustable between 0 to 6 seconds. The minimum automatic table travel is 1.5 mm, and the rotary table can tilt up to 10°, allowing for versatile grinding angles. Manual longitudinal slide adjustment is facilitated via a handwheel with a 25 mm travel per turn.
The workhead can tilt 90° to the grinding wheel and supports spindle speeds between 20 and 450 rpm. It includes an internal taper Morse 5 spindle, a collet shank diameter of 25 mm, and a 3-jaw chuck with a diameter of 160 mm for secure workpiece holding.
From the images, the machine presents a clean and well-maintained appearance with no visible damage or rust. It has a red and white painted exterior and features two large hand wheels on the front panel for manual operation. Protective covers are installed over the grinding wheel area, and an electrical motor is mounted on the right side. The grinding wheel and work rest assembly include adjustment screws, and a blue flexible coolant hose with an orange nozzle is present, indicating coolant system integration. The work rest plate has multiple mounting holes, and a four-jaw chuck is visible on the left side. The rotary table base has clear degree markings for angular positioning, and the base appears clean and legible.
Overall, the Studer RHU 650 is a versatile and well-equipped grinding machine suitable for various cylindrical grinding applications, offering precise control and adjustment features to meet demanding machining requirements.
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 | Machinery dealer |
| Active since | 2010 |
| Offers online | 135 |
| Last activity | Nov. 3, 2026 |
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