Joining the car-body sheets using clinching process with various thickness and mechanical property arrangements

Mucha, J.; Kaščák, Ľuboš; Spišák, Emil

doi:10.1016/s1644-9665(12)60179-4

Cited by 108 publications

(75 citation statements)

References 10 publications

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“…It is used for joining thin sheets from 0.5 to 4 mm single sheet in thickness, up to a total joint thickness of about 20 mm. The load-bearing capacity of the clinched joint mainly depends on the geometrical parameters of the joint profile, which is mainly influenced by process parameters and the clinching die [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Džupon

Kaščák

Spišák

et al. 2017

Metals

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Abstract:A clinching method that uses a simple toolset consisting of a punch and a die, is utilized for joining lightweight materials. This paper is aimed at investigating the wear of the die cavity of a clinching tool. A clinching tool with a specially shaped cavity was used for joining thin hot-dip galvanized steel sheets. Various types of physical vapour deposition (PVD) coatings such as ZrN, CrN and TiCN were deposited on the shaped surface of the die using Lateral Rotating Arc-Cathodes technology. Hot-dip galvanized steel sheets were used for testing the clinching tool. The material properties of PVD coatings that were deposited on the shaped part of the clinching die were evaluated. Finite Element Analysis was used to localize the area of the shaped part of the die and the part of surface area of the cylindrical die cavity of ϕ 5.0 mm, in which high contact pressure values were predicted. The prediction of the start of the wear cycle was verified experimentally by the clinching of 300 samples of hot-dip galvanized steel sheets. Unlike the CrN and ZrN coatings, the TiCN coating remained intact on the entire surface of the die.

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Section: Introductionmentioning

confidence: 99%

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Džupon

Kaščák

Spišák

et al. 2017

Metals

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“…It is still a challenge to join the aluminum sheet and the steel sheet together [3][4][5]. There are many other alternatives of aluminum alloy joining such as friction stir welding [6], adhesive joining or mechanical clinching [7][8][9]. The method of mechanical clinching has the advantage of no damage on the sheet surface, no heat, no pretreatment procedure, etc.…”

Section: Introductionmentioning

confidence: 99%

Testing of crimp connections made on a prototype stand

Wróbel¹,

Rejek²,

Królczyk

2017

E3S Web Conf.

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Abstract. The paper presents a project of a prototype stand for making inseparable crimped joints through crimping operation, which is commonly used in the construction of heat exchangers. The joint is formed by tools in form of crimping jaws, which are considered as a punch stamp for pressing two materials into each other. In effect these two materials are mutually "crimped". This elaboration contains a case study of joints being made by the workstand. Furthermore, the paper presents an analysis of features of the joints by examining them by destructive testing: Micrography, Tensile strength test, and non-destructive testing: Leakage test. The elements to be joined have been made of aluminium 6060, which is well matched to indirectly or directly make joints for all kinds of coolers or condensers.

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“…The use of non-ferrous alloys is increasing because of their low density, anticorrosion and excellent machining performance. These materials cannot be joined effectively by traditional connecting techniques like resistance spot welding therefore alternative joining technology such as mechanical clinching is used [2][3][4]. Joinability of aluminium alloys with reduced ductility using modified tool set geometry and sheet preheating was performed in [5,6].…”

Section: Introductionmentioning

confidence: 99%

Joining three car body steel sheets by clinching method

2016

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Abstract:The optimization of a car body in terms of cost can be achieved by using different materials in various positions of the car in order to utilize specific properties of each different material. Resistance spot welding is the most used method of joining in car body production, but it is not always easy or even possible to join some combination of materials by this method. Clinching is an alternative method to spot welding, as a combination of drawing and forming. The research is focused on the evaluation of clinched joints' properties using shearing test and metallographic observation of material structure.

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Joining the car-body sheets using clinching process with various thickness and mechanical property arrangements

Cited by 108 publications

References 10 publications

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Testing of crimp connections made on a prototype stand

Joining three car body steel sheets by clinching method

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