The Tschudin HTG 412 is a used grinding machine — sometimes referred to as a cylindrical grinder or round grinder — designed for precision external and cylindrical grinding operations. Tschudin is a Swiss manufacturer with a long-standing reputation for building high-quality grinding equipment used in toolmaking, engineering workshops, and precision manufacturing environments.
The machine offers a centre height of 100 mm and a distance between centres of 480 mm, defining the working envelope for the components it can accommodate. The maximum grinding diameter is 350 mm, and the spindle bore measures 127 mm. The headstock spindle carries a No. 5 Morse taper, while the tailstock is fitted with a No. 3 Morse taper, both being standard tapers that ensure compatibility with a wide range of workholding and support tooling.
Workhead speed is provided across three steps, with an upper range reaching 5 m/min, giving the operator the ability to match surface speed to the material and finish requirements of the workpiece. The workhead is fully rotatable through 360°, and the table can be angularly displaced by up to 9°, allowing for taper grinding operations where the component requires it.
The external grinding wheel is driven by a 3 kW motor, and the total electrical power requirement for the machine is 5 kVA. The machine is configured for a three-phase 380 V, 50 Hz supply. At approximately 2,300 kg, the machine is a substantial unit, reflecting the robust cast construction typical of precision cylindrical grinding equipment of this class.
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