CLINCHING SYSTEMS BY BTM
Clinching connects metal sheets and profiles of different materials, thickness, ductility and sizes. This reliable and economical process produces stable connections that can withstand high static forces and dynamic stresses. Insensitive to variations in sheet thickness and surface coatings, along with the possibility of connecting dry or oiled sheetmetal and this at low costs, these are the special features of BTM clinching systems.
Compared to other joining methods such as spot welding, riveting, screwing or adhesives, it also represents an attractive, cost-effective solution.
Clinching with Round Joint in fixed Die (Fixed-Loc®)
Another round clinching point is the Fixed-Loc® . This clinching point, which is produced in a fixed die, is characterized by its slim design. A relatively large clinching point can be set with a Fixed-Loc® clinching tool, especially in confined spaces. Stainless steels, as well as combinations of different material types and thicknesses, can also be clinched together with the Fixed-Loc®.
Like the Tog-L-Loc® clinch point, the Fixed-Loc® clinch point from BTM is characterized by its non-cutting joining process. The joining partners are locked together in a circular, i.e. over 360°, force-locked and form-fitted manner. The Fixed-Loc round point is equally firm in the plane in all directions and both sheet metal planes – punch and die side – remain tight in the point.
- non cutting
- gas- and leakproof
- for tight channels and narrow flanges
- good electrical conductivity
- for Connection of brittle-hard materials
CLINCHING WITH A PILOT HOLE (Cavity-Loc®)
Materials with low ductility, i.e. materials that are difficult to form, as well as materials with very different thicknesses, can be joined using the Cavity-Loc® clinching tool. This includes spring steels, as well as brittle aluminium and copper alloys.
The Cavity-Loc® joint is also the solution par excellence when a flat surface or only a low button height is required.
The pre-punched die-side layer is taken up by a centring punch, filled with the deformable punch-side material and caulked therein.
- for joining ductile with brittle materials
- for surfaces that are as even as possible
- for join partners with widely differing thicknesses
- for joining spring steels
- gas-leak proof
- leak proof
- good electrical conductivity
Clinching with BTM GEO-CLINCH® SYSTEMS
High torsional resistance, cutting and non-cutting connections and excellent electrical conductivity are the hallmarks of BTM GEO-Clinch® systems. These systems, designed for geometry joints, are particularly suitable for use in GEO stations in the automotive industry.
Clinching with a RECTANGULAR JOINT (Lance-N-Loc®)
The BTM Lance-N-Loc® rectangular joint can, in addition to connecting two layers, also be used to connect several layers of sheet metal. The layers of material are partly cut locally and then interlocked with each other. The rectangular point is also suitable for use with non-metallic partners such as glass fibre fabrics and plastics, while stainless steel sheets/layers such as austenitic stainless steels can also be securely connected with the Lance-N-Loc®.
Because the metal is sheared, a secure electrical connection is established in coated metal sheets. Especially in white goods, the Lance-N-Loc® is therefore also referred to as the “grounding joint”. In addition, the rectangular joint offers a high degree of anti-rotate protection, even where only one clinch joint can be set due to space restrictions.
- cutting, semi-cutting
- suitable for multiple layers
- is suitable for combinations with non-metallic partners
- good for thin-into-thick combinations
- suitable for stainless steel
- excellent electrical conductivity (“grounding joint”)
- GEO-Clinch® system