Roll mill having two roll units (2, 3) which are disposed in a machine frame and which comprise in each case one grinding roll (20, 30) which is rotatably mounted in two bearing blocks (22, 23, 32, 33), wherein - the two grinding rolls (20, 30) are disposed so as to be mutually opposite and are in each case coupled to a drive (4, 5) for driving the grinding rolls in a counter-rotating manner; - a force-impingement system for generating a grinding force is provided between the machine frame and at least one roll unit, wherein the grinding force is transmitted by way of the machine frame and the bearing blocks (22, 23, 32, 33) to the grinding rolls (20, 30); - one roll unit is mounted as a loose roll and the other roll unit is mounted as a fixed roll in the machine frame, wherein the force-impingement system is disposed between the machine frame and the roll unit that functions as the loose roll; and - the machine frame is composed of a plurality of frame parts, specifically at least one lower frame part (10, 11), at least one upper frame part (12, 13), and four pressure beams (14 - 17) which connect the upper and the lower frame part, wherein two pressure beams (14, 16) serve as counter-bearings of the one roll unit, and the two other pressure beams (15, 17) serve as counter-bearings of the other roll unit; - the upper and the lower frame part (10, 11, 12, 13) are connected to the four pressure beams (14 - 17) by way of in each case one releasable form-fitting connection having two mutually compressed connection faces (15a, 12a) for transmitting the grinding force; characterized in that - at least two of the mutually compressed connection faces comprise a micro-form-fit generating coating (8, 9); and - the form-fitting connection of the mutually connected frame parts is completely cancelled by mutually raising the two connection faces by at most 4 mm. - the two grinding rolls (20, 30) are disposed so as to be mutually opposite and are in each case coupled to a drive (4, 5) for driving the grinding rolls in a counter-rotating manner; - a force-impingement system for generating a grinding force is provided between the machine frame and at least one roll unit, wherein the grinding force is transmitted by way of the machine frame and the bearing blocks (22, 23, 32, 33) to the grinding rolls (20, 30); - one roll unit is mounted as a loose roll and the other roll unit is mounted as a fixed roll in the machine frame, wherein the force-impingement system is disposed between the machine frame and the roll unit that functions as the loose roll; and - the machine frame is composed of a plurality of frame parts, specifically at least one lower frame part (10, 11), at least one upper frame part (12, 13), and four pressure beams (14 - 17) which connect the upper and the lower frame part, wherein two pressure beams (14, 16) serve as counter-bearings of the one roll unit, and the two other pressure beams (15, 17) serve as counter-bearings of the other roll unit; - the upper and the lower frame part (10, 11, 12, 13) are connected to the four pressure beams (14 - 17) by way of in each case one releasable form-fitting connection having two mutually compressed connection faces (15a, 12a) for transmitting the grinding force; - at least two of the mutually compressed connection faces comprise a micro-form-fit generating coating (8, 9); and - the form-fitting connection of the mutually connected frame parts is completely cancelled by mutually raising the two connection faces by at most 4 mm.