EPUSTONE - Machine frames made of hard stone

With the brand EPUSTONE, EPUCRET offers a comprehensive range of services concerning the processing of natural hard stone. Whether for small production runs in special mechanical engineering applications or prototypes for initial trial machines - EPUCRET uses plutonic rock with a very dense and homogenous microstructure for high precision applications such as measuring and production machinery. The hard rock "Gabbro Impala" from South Africa ranks in first place in this respect. "Tarn" - a stone mined in France - is also optimally suitable.

Your advantages

  • Comprehensive specification analysis
    • Profile of characteristics: static, dynamic, thermal and ecological properties
    • Functional/constructional needs: accuracy, guidance principle, weight, wall thickness, circulating media, logistics
    • Commercial needs: costs, quantities, availability, system character
  • Comprehensive engineering services
  • Right construction for hard stone
  • Constant temperature-controlled production environment (+/- 0.5 K in 24h)
  • Connecting hard stone components by screwing, bonding or both
  • Completion of machine beds with guides, drives and gauges
  • Dual machine beds
    • Casting / bonding hard stone strips/plates
  • Precise reworking by grinding and hand-lapping Documented accuracy: measured by autocollimators and electronic inclination balances

Examples of applications

  • Machine frames and components for all kinds of uses - from semiconductors to the opto-electronic industry:
    • Hard stone beds for measurement and production machinery
    • Gantry and portal beds
    • Console stands