Failure analysis of a lancing tool used in a bridge slot filter pipe machine. (November 2019)

• Record Type: Journal Article
• Authors: Papageorgiou, D.G.; Manolas, G.; Medrea, C.; Chicinaş, I.
• Is Part Of: Engineering failure analysis. Volume 105(2019)
• Page Start: 237
• Page End: 245
• Publication Date: 2019-11
• Subjects: Lancing system -- Cutting tool -- AISI D2 steel -- Cold tooling -- Filter pipe machine; System failures (Engineering) -- Periodicals; Fracture mechanics -- Periodicals; Reliability (Engineering) -- Periodicals; Pannes -- Périodiques; Rupture, Mécanique de la -- Périodiques; Fiabilité -- Périodiques; Fracture mechanics; Reliability (Engineering); System failures (Engineering); Periodicals; Electronic journals; 620.112
• DOI: 10.1016/j.engfailanal.2019.06.030
• Languages: English
• ISSNs: 1350-6307

Abstract

Abstract: Failure of a lancing system was investigated. A local company produces bridge slot screen filter pipes. Specific cutting tools, part of the lancing system, brake down repeatedly. The parts were manufactured from AISI D2 steel. A systematic investigation consisting of on site inspection, visual examination, dimensional verification, hardness measurements and chemical analysis was carried out. Samples were selected and prepared for destructive testing. The fracture surfaces and the cross section of the tools were analyzed by light and SEM microscopy. The tools failed due to high shear stresses, unevenly developed on the surface of the parts. Their breakage is mainly attributed to poor design. The cutting-forming system should be redesigned and some aspects regarding the machine use and maintenance should be specified. Additionally, alternatives regarding the material selection of the tools are provided in order to ensure efficiency and to improve operational reliability. Highlights: A study on the failure of a lancing tool intended for the production of bridge slot filter pipe. Tools failed in a quasi-cleavage fracture mode due to compressive and shear stresses. The failure is mainly attributed to poor machine design. Recommendations are given in order to avoid similar future situations. Affordable alternatives regarding material selection are provided.