Injection molding produces the black keys for sharps and flats. Precision dies are used to make a variety of functional and ornamental components of the accordion. Great effort is required to make the treble registers respond instantly by activation the slides which open and close appropriate tone holes, permitting the desired reed combinations to sound. Here, the molded levers are fitted to the treble switch assembly on the grille and the inner mechanism of the treble registers is adjusted for smooth operation. The Many stages of bass case construction require much careful work, such as this painstaking shaping on a circular spindle cutting machine, the final woodwork detailing, and trimming the smoothly-contoured plastic covering.
Few musicians can rise above the limits imposed by their instrument.
A fine accordion will unleash creativity through its increased musical capacity and potentially expanded musical scope. The sea of bass buttons, which confounds the novice, is no mystery to these craftsmen who carefully assemble the intricate bass machine mechanism. Rods and pistons, brass pins and mechanical-noise insulators are individually positioned to create the wonderous bass machine, some of which provide innovations such as convertor or chromatic free bass and pedal tones in addition to the stradella system. All outer sides have folds tape-reinforced, bonded with specially formulated hot glue and finished with precision pinched chrome corners. Here, electroplating the bellows' corners in a chrome bath and pinching them into positions shown.