HDP+ Hygienic Design planetary gearbox

  • HDPplanetary gearbox with output flange in Hygienic Design

  • HDP+ for Delta robots for applications in wet areas

Reliably clean

Sterile, highly dynamic and outstanding positioning accuracy – the HDP+ meets the strict hygiene requirements of production and packaging facilities. The gearbox in Hygienic Design not only offers you maximum safety against contamination-related product and process risks, but also guarantees maximum system availability and productivity.

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The high-precision HDP+ is also ideal for Delta robot applications.

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Customized solutions

We will develop a solution for you that is tailored to your drive needs. You will benefit from our years of experience, our highly skilled staff and our services. Please contact us.

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WITTENSTEIN alpha GmbH - Walter-Wittenstein-Str. 1


Walter-Wittenstein-Str. 1

97999 Igersheim (Germany)

  • Technical data
  • Options
Product type HDP+
Version MA
Ratio c) 22 - 55
Number of sizes 3

Max. backlash c)

jt [arcmin]Standard

≤ 1

Max. torqueT2a [Nm]252 - 1121
Max. input speedn1Max [rpm]


Torsional rigidityCt21 [Nm/arcmin]210
Max. tilting momentM2KMax [Nm]1335

c) In relation to reference sizes

Output shape 
Input shape 


Food-grade lubrication
Corrosion resistant
Optimized mass inertia a)

a) Performance reduction: Technical data available on request

Product highlights

Hygienic Design

New design freedom because of direct process integration.


Fast, efficient and reliable cleaning. Resistant to chemical cleaning materials and desinfectants.


Optimal sealing properties (IP69X, max. 30 bar)


Extremely reliable gearboxes prevent cost-intensive machine breakdowns.

Positioning accuracy

Minimal backlash and extreme rigidity ensure maximum positioning accuracy at the tool center point.

Low maintenance

Highest quality standards guarantee a long service life and extend maintenance intervals.

Designed in line with EHEDG guidelines, FDA-certified materials

Smooth rolled surface in hygienic steel 1.4404

Triple sealing concept guarantees optimal reliability

No dead spaces

Seals resistant to cleaning materials have IP69X protection (max. 30 bar)

WITTENSTEIN alpha in all axes

Low backlash planetary gearboxes

WITTENSTEIN alpha develops complete, single-supplier solutions for any driving axis. They can be used in virtually any application – from high-precision axes in manufacturing systems to packaging machinery where maximum productivity is required. 
The name WITTENSTEIN alpha is a byword for premium quality and reliability, high precision and synchronization accuracy, highest power density, a long lifetime and very simple motor mounting.