Component

Rotary Swivel Unit DSH-S

The isel DSH-S Rotary Swivel Unit is a compact, high-precision rotary axis designed to add 4th and 5th axis functionality to CNC machines. Utilising advanced Harmonic Drive technology, it delivers exceptional positioning accuracy, zero backlash and high torsional rigidity in a space-saving design. With IP65 protection, maintenance-free operation and a choice of reduction ratios, the DSH-S is ideal for precision machining and multi-axis automation applications.

Highlights & Features

Features

Ideal for retrofitting CNC machines with a 4th and 5th axis
High-precision Harmonic Drive gearbox
Zero backlash with high torsional rigidity
Rigid output bearing for high load capacity
Powerful EC 40 servo motor
Reduction ratios of 1:51 or 1:101
Transmission accuracy below 1.5 arcmin
Repeat accuracy below ±6 arcsec
IP65 protection against dust and water
Maintenance-free operation
Hollow shaft design

Highlights

The DSH-S Rotary Swivel Unit provides a compact and highly accurate solution for adding rotary and swivel axes to CNC machining systems. Its zero-backlash Harmonic Drive gearbox, high repeatability and robust IP65-rated construction make it ideal for precision 5-axis machining and industrial automation.

Equipment, Options & Controls

Options

MS 045 HT stepper motor with or without encoder
Solid shaft design
Aluminium T-slotted plate

Applications & Workpieces

Applications

Suitable for CNC machining centres, multi-axis milling, automation systems, precision engineering and industrial applications requiring compact, accurate rotary positioning and 4th or 5th axis capability.

Technical Specifications

Technical Data

Performance

Reduction ratios: 1:51 or 1:101
Rated output speed: up to 22 rpm
Maximum output speed: up to 69 rpm
Rated torque: up to 11 Nm
Maximum short-term torque: up to 11 Nm
Nominal holding torque: up to 11 Nm
Maximum gearbox load capacity: up to 28 Nm

Accuracy

Transmission accuracy: <1.5 arcmin
Repeat accuracy: <±6 arcsec

Construction

High-precision Harmonic Drive gearbox
Rigid output bearing
Zero backlash design
Hollow shaft construction
Protection class: IP65
Weight: 12 kg

Rotary Swivel Unit DSH-M