STUDER RHU-650 Universal Cylindrical Grinder

Studer RHU 650 Cylindrical Grinding Machine designed for precision external grinding applications.
This machine offers reliable performance with adjustable table movement, flexible headstock positioning, and robust grinding capabilities.

Technical Specifications

Specification Metric Imperial
Center Height 125 mm 4.92 in
Distance Between Centers 700 mm 27.56 in
Table Speed (Continuous) 0.05 – 5.5 m/min 1.97 – 216.5 in/min
Table Reversal Dwell Time 0 – 6 sec 0 – 6 sec
Table Swivel Angle ±10° ±10°
Manual Traverse (Handwheel) 25 mm 0.98 in
Headstock Swivel Range 0 – 90° 0 – 90°
Workpiece Spindle Speed 20 – 640 rpm 20 – 640 rpm
Spindle Taper MK5 Morse Taper #5
Collet Body Diameter 25 mm 0.98 in
Grinding Wheel Diameter 400 mm 15.75 in
Grinding Wheel Width 50 mm 1.97 in
Grinding Wheel Bore 127 mm 5.00 in
Grinding Spindle Speeds 1500 / 1625 / 1800 rpm 1500 / 1625 / 1800 rpm
Grinding Motor Power ≈ 2.9 kW 4 HP
Hydraulic Feed Stroke 40 mm 1.57 in
Supplementary Traverse 210 mm 8.27 in
Floor Space (L x W) 3150 × 1350 mm 124.0 × 53.1 in
Machine Weight 2,200 kg 4,850 lbs

Highlights

✔ Precision Cylindrical Grinding
✔ Adjustable Table Speed & Swivel
✔ Wide Workpiece Speed Range
✔ Robust Grinding Wheel System
✔ Ideal for Shaft & Component Grinding

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