---
title: "How do screw jacks work?"
url: "https://zimm.com/wiki/how-do-screw-jacks-work/"
datePublished: "2025-07-24T11:49:40+00:00"
dateModified: "2026-06-29T06:06:44+00:00"
author: "jonathan-mildner"
lang: en
canonical: "https://zimm.com/wiki/how-do-screw-jacks-work/"
markdown: "https://zimm.com/ai/wiki/how-do-screw-jacks-work.md"
categories: "Questions and answers about our products, Screw jacks"
---

The operating principle is based on a worm gear that generates linear motion via a spindle. There are two basic types:

- Translating spindle (S version): the spindle moves axially while the worm gear rotates
- Rotating spindle (R version): the spindle rotates, and the nut moves linearly

https://youtu.be/_gD-T2E3k8c?si=e55lrhCo2-N0a_6m

https://www.youtube.com/watch?v=LAiykPtcZBA

## Videos

### Wie funktioniert ein Spindelhubgetriebe?

In this video, viewers will explore the mechanics of screw jacks, focusing on how a worm gear converts rotational motion into linear movement, highlighting both translating and rotating spindle designs.

- [Watch on YouTube](https://www.youtube.com/watch?v=_gD-T2E3k8c)

### Funktionsweise | Rotierende und stehende Spindel bei Hubgetrieben

In this video, viewers will explore the functioning of screw jacks, focusing on the differences between rotating and translating spindles in lifting mechanisms.

- [Watch on YouTube](https://www.youtube.com/watch?v=LAiykPtcZBA)