Stoves

Automated sanding and finishing

HASE KAMINOFENBAU GMBH
STOVE MANUFACTURER SINCE 1979

Employees: 180
Stoves / year: 12.000 - 14.000
Production are: 12.000 m²
Parts to be finished / week: 300 - 400
Location: Trier, Germany

ROI
under 2 years

75%
lower personnel costs

30%
abrasive material saving

24/7
industrial grinding cell

PROBLEM &
DEFINITION

SHORTAGE OF SPECIALIST PERSONNEL

  grinding welding spots
  smoothen surface to the micrometer range
  generate structure-free surface pattern
  large variety of parts

Material: Steel

"We did not think that it was possible to grind stoves automatically.

Elmar Willems,
Production development & Facility Management,
HASE Kaminofenbau GmbH

INITIAL SITUATION

Both, HASE and the customers greatly value the perfect and high-quality look of the stoves. The grinding process during production is vital for the end quality. A large order book and a serious shortage of qualified grinding personnel on the labor market were critical for choosing automation.

THE PROCESS

In order to achieve the perfect stove, the steel parts have to be grinded perfectly. Even the smallest defects are visible in the 25-micrometer high-temperature paint that is later applied. The rough grinding and finesse sanding therefore have to deliver the desired result.

THE AUTOMATION

The process was automated using a grinding cell together with the integrator SHL AG. The cell contains a robot which grips the manually provided parts. First, they are passed to a belt grinder for basic processing in order to  nally get the perfect  nish and the required structure-free surface pattern from the FerRobotics AOK eccentric sander. The cycle time is 6 minutes.

THE RESULT

  • solution for the shortage of specialists by saving personnel
  • high-quality surfaces and reproducible quality
  • optimization of the abrasive used

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