Dilo MicroPunch: Needling technology for lightweight filters from fine fibre,
high degree of separation at low pressure drop

The Dilo MicroPunch needling technology has been developed to achieve high
stitching densities at high production rates and low energy consumption. Applications
of intensive needled products are foreseen in the field of wipes as well as in technical
areas as filter media for example. Fibre finesses may be as low as 0.9 dtex, stitching
densities as high as approx. 900 stitches/cm2 associated with high production speeds
ranging up to ca. 150 m/min.

MicroPunch material remains soft, yet combined with a good abrasion resistance.
Possible other areas of application are light weight decoration materials for example
as a thin surface material of a mouldable sandwich, interlinings and linings in clothing
and shoe material.

Apart from the needling process which gives the basic physical strength, stiffness,
thickness and wearing resistance additional finishing technologies may be applied
like calendering, through-air or decatizing as well as printing.

Dilo MicroPunch is a highly advanced needling technology for lightweights to allow
fibre savings and the reduction of production energy.

Further highlights of our presentation during Techtextil is the 3D-Lofter as a tool for
additive manufacturing. It allocates defined fibre mass at areas of stress and strain
concentrations in technical products (e. g. moulded car parts) in order to lower the
overall fibre mass considerably. The 3D-Lofter technology can also be applied to the
manufacturing of interior linings with paddings in specialty cloth and protection
material.

In the field of Industry 4.0 and IOT Dilo offers apps and modules for smart operation
and maintenance assistance of production lines.

A bus shuttle from Techtextil to the Dilo headquarters in Eberbach is available on
April 25th, 2024 in order to visit demonstrations of MicroPunch, the 3D-Lofter, DILOUR
IV and Hypertex. The Hypertex technology applies yarn and filament to
reinforce nonwovens used as filter material or in garment.

Booth at Techtextil: 12.0, B81