A method for obtaining a diameter is provided. The method is to be applied to a multi-roller module system and includes: designating a target linear velocity associated with a wire moving in the multi-roller module system, and a value of a presumed diameter parameter associated with a diameter of a main roller; calculating an initial rotational speed of the main roller; measuring a current rotational speed of the fixed-diameter rotating component; calculating an actual linear velocity of the wire; and determining that the value of the presumed diameter parameter equals an actual diameter of the main roller when it is determined that the ratio of the target linear velocity to the actual linear velocity is equal to one.

The invention relates to a wire management system (7) for a wire saw (8) having a cutting wire (3) which is guided through a cutting area (13), the wire management system (7) comprising a wire supplying unit (5) for supplying cutting wire (3) to the cutting area (13) of the wire saw (8) and a wire receiving unit (6) for receiving cutting wire (3) from the cutting area (13) of the wire saw (8), wherein at least one of the wire supplying unit (5) and the wire receiving unit (6) comprises: at least one rotatable reservoir spool (1) for carrying the cutting wire (3) in overlapping windings, at least one rotatable storage spool (2) for temporarily receiving the cutting wire (3) in windings, wherein the rotational axis (2b) of the storage spool (2) coincides with the rotational axis (1 b) of the reservoir spool (1), a wire guiding means (9) for guiding the cutting wire (3) when being wound up on the storage spool (2), such that the wire windings on the storage spool (2) do not overlap each other and/or have a lower density than the windings on the reservoir spool (1).

A wire guide roll for use in wire saws for simultaneously slicing a multiplicity of wafers from a cylindrical workpiece is provided with a coating having a thickness of at least 2 mm and at most 7.5 mm of a material which has a Shore A hardness of at least 60 and at most 99, and which contains a multiplicity of grooves through which the sawing wire is guided, the grooves each having a curved groove base with a radius of curvature which is 0.25-1.6 times the sawing wire diameter, and an aperture angle of 60-130. A multiplicity of wafers are simultaneously sliced from a cylindrical workpiece by a wire saw using such wire guide rolls.

A method for cutting a starting panel of mineral wool or porous construction material into several panels includes supplying a starting panel having a front edge and cutting the panel into two in its thickness by a wire by moving the panel in a direction (X). The wire passes in a direction (Y) perpendicular to the direction (X) to form two first panels. The method also includes cutting the rear edge of the two first panels and the front edge of two second panels by moving the wire in a direction (Z) perpendicular both to the direction (X) and to the direction (Y), cutting the panel into two in its thickness using the wire by moving the panel in the direction (X) to form the two second panels, and repeating the cutting front/rear edges and cutting in the thickness to form two third, fourth, etc. panels.

Generally described, the systems and methods disclosed in herein relate to sectioning an object with a frame-mounted wire saw as the step of a method for recycling fiber composite source objects, such as wind turbine blades. The frame-mounted wire saw generally includes a support frame assembly and a pulley system for directing an abrasive wire from a wire saw. A pair of slidable pulleys directs the abrasive wire through the object as the abrasive wire cuts. In some examples, the frame-mounted wire saw includes a mobility system to allow the assembly to travel along the length of the object and position the frame-mounted wire saw for the cut.

A cutting device comprising a drive assembly operably coupled to and powered by a drive means. The drive assembly comprises a worm gear operably coupled to and driven by the drive means, a crank assembly operably coupled to and driven by the worm gear, a timing assembly operably coupled to and driven by the crank assembly, an actuator assembly operably coupled to and driven by the timing assembly and a crank arm operably coupled to the crank assembly and the timing assembly. A drive cable extends from and is operably coupled to the actuator assembly. A flexible cutting means is operably coupled to the drive cable. The drive assembly is configured such that a reciprocating motion is transmitted to the cutting means such that the cutting means is reciprocated for cutting an article.

A cutting apparatus and the method of operating same is provided. The apparatus includes a feed tower assembly configured to be attached to an object and a frame assembly movably attached thereto. The frame assembly has arm assemblies thereon which accept a cutting member. At least one arm assembly can be pivoted relative to the other arm assembly and relative to the feed tower assembly. One arm assembly can further be moved relative to the other arm assembly and relative to the feed tower assembly in a vertical direction.

A cutting apparatus and the method of operating same is provided. The apparatus includes a feed tower assembly configured to be attached to an object and a frame assembly movably attached thereto. The frame assembly has arm assemblies thereon which accept a cutting member. A liquid spray system is provided for cooling components of the cutting apparatus.

A method for sawing a metal tube (3) or hollow section using a band-saw machine which has a stationary lower saw part (1) having a saw table (2) for placing and fixing a metal tube (3) to be sawn, and an upper saw part (4) which is movable in relation to the lower saw part (1) and which has a revolving saw band (5). The revolving saw band (5) via a feed motion (13) of the upper saw part (4), which is performed in relation to the lower saw part (1), penetrates the metal tube (3) and, for performing a saw cut, is guided through said metal tube (3). The feed motion is carried out substantially counter to the force of gravity.

A wire supplying and receiving device includes a moving unit including a rail along a first horizontal direction, a first wire winding unit disposed on the rail and rotatable about an axis parallel to the first horizontal direction, and a second wire winding unit on the rail and rotatable about the axis. At least one of the first and second wire winding units is movable along the first horizontal direction. The wire supplying and receiving device is convertible between a connected state, where the first and second wire winding units are adjacent to each other, and a disconnected state, where the first and second wire winding units are spaced apart from each other. An ingot slicing wire saw and a method for slicing ingot are also provided.