---
title: "What factors influence the spindle force during vertical lifting?"
url: "https://zimm.com/wiki/what-factors-influence-the-spindle-force-during-vertical-lifting/"
datePublished: "2025-08-22T06:10:05+00:00"
dateModified: "2025-11-17T13:39:01+00:00"
author: "jonathan-mildner"
lang: en
canonical: "https://zimm.com/wiki/what-factors-influence-the-spindle-force-during-vertical-lifting/"
markdown: "https://zimm.com/ai/wiki/what-factors-influence-the-spindle-force-during-vertical-lifting.md"
categories: "Questions and answers about our products, Screw jacks"
---

ZIMM identifies several factors that influence the spindle force during vertical lifting:

- Self-weight of the spindle
- Weight of the load
- Friction in the thread
- Acceleration forces
- Safety reserves

All these factors affect the required drive force.