Moment resistance of corner joints connected with different RTA fasteners in cabinet construction
Abstract
The fasteners used in case construction have a profound effect oil the
appearance, strength, and durability of cabinets. Strength and
performance data, however, are largely lacking for most of the
proprietary fasteners, specifically for ready-to-assemble (RTA)
fasteners and fastening systems used ill cabinet construction. Tests
were carried out to determine the bending moment resistance of corner
joints connected with different types of RTA fasteners so that the
structure can safely resist the loads imposed upon them in service.
Laminated particleboard and laminated medium density fiberboard (MDF)
corner joints were tested under compression and tension loads. Results
indicated that material type, loading type and fastener type have a
significant effect on the strength of RTA connected joints. In general,
tensile strength was greater than compressive strength for all types of
RTA connected corner joints. Results also indicate in both tension and
compression tests, laminated MDF corner joints were an average of 22
percent stronger than laminated particleboard corner joints. The joints
constructed with MDF and the trapez connector with metal parts produced
the highest strength values; the rafix joints constructed with
particleboard were the weakest joints evaluated.