Modular press brake having improved components and accessories

A method to assemble a casting, the method comprising the steps of:

• aligning apertures of a first plate of the casting with bolts and placing the first plate on the bolts through the apertures;
• aligning first projections of spacers, an adjustment arm and a locking arm, over the first plate and inserting the projections of the spacers, the adjustment arm and the locking arm through receiving openings of the spacers, adjustment arm and locking arm;
• aligning holes of a second plate of the casting with second opposed projections of the spacers, the adjustment arm and the locking arm and inserting the second opposed projections into the holes to properly position the second plate;
• securing the bolts with a fastener to sandwich the spacers, the adjustment arm and the locking arm into place.

A stopper for use with a press brake comprising:

• a clamp to slidably secure the stopper to the press brake;
• a rail pivotably connected to the clamp;
• and,
• a stopping member slidable along the rail,
• wherein the stopping member can be pivoted with the rail to prevent obstruction of a material in the press brake.