Adjustable cartridge for boring bar

An adjustable cartridge for a boring bar, comprising:

• a support structure including a surface arranged for abutment with a peripheral area of the boring bar;
• a load-bearing structure for mounting a cutting insert assembled to be movable transitionally in a first direction on the support structure;
• an adjustment mechanism arranged to adjust a position of the load-bearing structure in relation to the support structure, the adjustment mechanism including at least a first elastic means arranged to exert force against a first surface of the load-bearing structure, and an adjustment part disposed between the support structure and a second surface of the load-bearing structure, the adjustment part being arranged to contact the support structure and the second surface of the load-bearing structure, and to be movable translationally in a second direction relative to the support structure and the load-bearing structure, the adjustment part having a surface forming an acute angle with the second direction and being disposed in contact with the second surface of the load-bearing structure, the first surface and the second surface of the load-bearing structure facing in generally opposite directions;
• and
• means for fastening of the cartridge to the boring bar, the means for fastening of the cartridge being provided in the support structure.