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Introduction

A premium roof tile manufacturer was using considerable labour resources on a weekly basis in order to re-grease the ball sliders assembled in their handling machinery in many different locations around the factory. This situation resulted in high maintenance costs, repetitive problems and inconsistent performance ending in lost production.

Key Facts

  • High labour costs, manual process
  • Contamination and dust ingress
  • Poor lubrication
  • Fixed preload and smooth linear motion requirement

Slide with solid lubrication K1 system Slide with solid lubrication K1 system
Internal structure of K1 system Internal structure of K1 system

Background Information

  • Sector: Construction
  • Country: Spain
  • End-Product: Ceramic Roof Tile

  • Application: Tile handling -  Continuous operation: (24hx365days per year)
  • Number of machines: 6
  • Problem: Weekly re-grease required due to high exposure to ceramic particles contamination causing grease reduction on the slider and premature wear

Value Proposals

  • Application review highlighted lubrication and sealing needed improving
  • Introduced the solid lubrication system K1
  • Improved sealing and protection

  • Preload maintained longer due to reduced wear
  • Reduced running friction resulting in reduced actuator pressure needed for same operation ( 6 to 4 bar)

Product Features

  • Long-term, maintenance-free operation
  • Available in accordance with the FDA
  • Effective sealing function

  • Applicable to all the linear guide models
  • Regardless of the mounting orientation the operation of K1 units is always guaranteed
  • Designed to operate in highly polluted environments

Cost Saving Breakdown

Before Cost p.a. NSK Solution Cost p.a.
€550/ machine x 6 machines €3.300 €475/ machine x 6 machines €2.850
52 re-greases x 30min / machine x 6 machines x 30€ hour / operation €4.680 2 re-greases x 30min / machine x 6 machines x 30€ hour / operation €180
52 re-greases x 30min / machine x 6 machines = 156 hours 2 re-greases x 30min / machine x 6 machines = 6 hours
Total Costs €7.980 €3.030

Reference: SS-E-7026

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