In its parquet production, the company Scheucher Parkett relies on a 100% comprehensive inspection of the surface by using the GreCon UPU 6000fs and the material penetrating moisture analysis of the GreCon MM6000.
The worldwide demand for valuable floor covering of parquet has been increasing for years. To meet the expectations that go along with the image of a high-quality, modern and durable flooring, it is necessary that the individual components as well as the finished products are subject to a reliable quality control. A case study with Scheucher:
Scheucher Holzindustrie – Parquet in quality
Since 99 years, wood products have been manufactured in Mettersdorf am Saßbach in Styria. Today, the company in the fourth generation is known as manufacturer of high quality parquet. In 1996, it focused consistently on the production of parquet. The increased demand for high quality flooring generated new growth opportunities for Scheucher. The company currently produces approx. 2 m² parquet per year. This quantity shall be increased by 50% in the next years. Scheucher exclusively produces in Mettersdorf. "Our objective is not a cost leadership - we are famous on the market for being a flexible and reliable partner of the crafts with short reaction times," Karl Kaufmann - Production Manager at Scheucher Parkett- summarises the situation.
A modern floor must meet numerous requirements. It must have a good thermal conductivity as an increasing number of underfloor heating systems are installed. For this end, it must be available with an optimised structure in different formats, colours and types of wood to offer creative freedom to the architects. Scheucher Parkett produces according to the two and three-layer process to meet these requirements. The two-layer parquet consists of a wearing surface and a supporting surface with the wearing surface made of a noble hard wood layer and the supporting surface of local soft wood or plywood. The 3-layer parquet also consists of a wearing surface and a supporting surface; a spruce-wood veneer is added on the rear side - everything also made of solid wood. Both production processes are subject to quality control. The individual components as well as the final product are inspected.
Preventing repair by quality control
The production of the parquet is monitored by measuring systems at different points to guarantee a high product quality. Scheucher avoids returns and complaints by a proactive quality control. An optimal moisture of the supporting surface must be guaranteed before pressing the individual layers so that a flawless final product is obtained. For this end, Scheucher relies on the micro-wave technology. The GreCon MM6000 VS guarantees a reliable moisture determination independently from density, thickness or colour. "The microwave moisture determination proved to be very reliable," Kaufmann summarises. Before the system based on microwave technology has been commissioned, Scheucher worked with capacitive moisture analysis systems. "The big advantage of the microwave is the reliable determination of the moisture independently from the bulk density, branches or the colour of the material," Klaus Bauer - Head of Scheucher Holzindustrie's Research and Development - adds.
Besides the determination of the moisture of the supporting material, parquet pressed from individual layers is checked for delamination and flaws. The GreCon UPU 6000 fs is used here. The system inspects the complete surface of the parquet board for flaws so that bad boards can be sorted out at an early stage. Complaints e.g. for a delamination of the top layer of the parquet are avoided proactively. "Any repair costs for faulty parquet boards are 100 times higher than the value of the individual board," Klaus Bauer describes the importance of quality control.
Thanks to the inspection of the parquet boards it is possible to draw conclusions as to the quality of the supplier so that no loss of quality by weaknesses of the intermediate product slips into the final product.
The production quality is further increased by the installation of a new press. In the course of the installation, the GreCon UPU 6000 fs changes its location. In the future, inspection will take place directly behind the press so that it is possible to inspect the boards for quality losses as early as possible. The consequence: expensive and time-consuming production steps as grinding, cutting or filling of knotholes of faulty parquet boards are not necessary anymore as they can be identified and fed out at an early stage. "We have been using the UPU for about one year and are very satisfied with the quality control. For the first time we detect flaws early," says Klaus Bauer.
The quality control helps Schleicher to detect gluing errors and discharge them early so that an absolute quality product can be offered to the customer.
Fagus-GreCon Greten GmbH & Co. KG
Hannoversche Straße 58