Injection unit for a shaping machine

A shaping machine comprising:

• an injection unit including:
• a plasticizing cylinder which has a collar;
• and
• a carrier portion which has a trough,
• wherein the plasticizing cylinder is arranged in the trough,
• wherein an axial movement of the plasticizing cylinder relative to the carrier portion is restrained in positively locking engagement by the collar bearing against the carrier portion and a clamping element which is fixed or shaped on the plasticizing cylinder is fixed using fixing elements to the carrier portion such that the plasticizing cylinder is braced between the trough and the clamping element,
• wherein the plasticizing cylinder is braced using pressure screws against lifting of the collar off the carrier portion in an axial direction of the plasticizing cylinder,
• wherein the pressure screws pass through bores in the carrier portion,
• wherein each of the pressure screws has a head at a first end and a tip at a second end opposite to the first end, and
• wherein the tips of the pressure screws abut and press on the clamping element, the plasticizing cylinder, or the collar.

A method of assembling a plasticizing cylinder to a carrier portion of an injection unit for a shaping machine, the method comprising:

• arranging the plasticizing cylinder in a trough of the carrier portion,
• bracing the plasticizing cylinder using pressure screws against lifting of a collar of the plasticizing cylinder off the carrier portion in an axial direction of the plasticizing cylinder, and
• bracing the plasticizing cylinder using fixing elements between a clamping element and the trough,
• wherein the pressure screws pass through bores in the carrier portion,
• wherein each of the pressure screws has a head at a first end and a tip at a second end opposite to the first end, and
• wherein the tips of the pressure screws abut and press on the clamping element, the plasticizing cylinder, or the collar.