A device for cutting a length of pipe includes a clamp portion for clamping around a length of pipe and a bow moveable with respect to the clamp portion that retains a loop of diamond embedded wire. The device further includes a feed for driving the bow with respect to the clamp portion and a detector for detecting bending of the wire and a control responsive to the detector for controlling feed rates. The device is made of modular parts and has synchronizing arms for clamping around a length of pipe. In one embodiment, the wheels are retained in enclosures with slots through which the cutting wire passes.

A roller module is used for driving a sawing wire to slice an ingot into multiple wafers, and includes two spaced apart main rollers and an auxiliary roller. Each main roller has a rotating axis and a diameter. An imaginary horizontal plane is defined to pass through the rotating axes of the main rollers. Two imaginary vertical planes are defined to be perpendicular to the imaginary horizontal plane and respectively pass through the rotating axes of the main rollers. The auxiliary roller is disposed above the imaginary horizontal plane and between the imaginary vertical planes. An uppermost side of the auxiliary roller is not lower than an uppermost side of each main roller. The auxiliary roller has a diameter smaller than one half of that of each main roller.

Wafer shape parameters from prior runs of simultaneously slicing a plurality of wafers from a workpiece in a wire saw having a sawing wire tensioned between wire guide rolls are used to alter the temperature profile of fixed and a moveable bearings at the ends of at least one wire guide roll, resulting in wafers with low waviness.

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 base plate movably attached thereto. The frame base plate has a pivotable arm assembly and an arm wheel thereon which accept a cutting member. A visual tension indicator is operably connected to the frame base plate and the arm assembly and configured to indicate an amount of tension applied to the cutting member.

A horizontal multi diamond wire saw cutting machine in a closed loop running in a coaxial motion toward stone blocks allowing a cutting force direction to each other, the cutting direction of DW is in horizontal motion-whether stone blocks toward machine or machine running toward blocks- and tension system made of one tension pulley because of one DW running within machine, in addition the running of DW is by several drive wheels, set of drive wheels run by one shaft in clockwise motion, another set run by another shaft in counter clockwise motion. Each drive wheel supported by sprag clutch which allow pulling DW for the cutting speed and allow DW to be tensioned in all drive wheels by one tensioned pulley which is tightened by linear stroke by a jack with a set tension value. Further, a portable machine to be held within block and cutting execution.

A multiplicity of slices are simultaneously sliced from a workpiece during a slicing operation using a wire saw. A non-linear pitch function dTAR(WP) is selected dependent on a target thickness value function TTAR(WP), a pitch function dINI(WP) and a thickness value function TINI(WP), dTAR(WP) and adjacent grooves in the wire guide rollers are assigned a pitch at a position WP during the slicing operation, TINI(WP) slices which are obtained during a plurality of preceding slicing operations by means of the wire saw at the position WP are assigned a thickness value, dINI(WP), adjacent grooves in the wire guide rollers at the position WP are assigned a pitch during the preceding slicing operations, TTAR(WP) slices which are sliced off during the slicing operation at the position WP are assigned a target thickness value, WP denoting the axial position of the adjacent grooves with respect to the axes of the wire guide rollers.

According to one implementation, a machining apparatus includes an electromotive saw and an attaching structure. The electromotive saw cuts off a workpiece to be machined. The attaching structure attaches the saw to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a composite material or a honeycomb structure with a cutting tool attached to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a workpiece to be machined with a cutting tool attached to an arm of a robot. The workpiece is processed along a shape of a jig for setting the workpiece. The workpiece is processed with contacting a guide with the jig. The guide is attached to the arm.

A wire saw includes a saw wire forming a sawing section for engagement with a workpiece to be cut. A guide is arranged to position the sawing section of the saw wire relative to the workpiece. The guide is configured to permit a plurality of independent directions of movement such that, in addition to an advance of the sawing section in the direction of the workpiece to be cut, the sawing section can be lengthened and/or shortened. A wire-storage-and-tensioning device is arranged for loading, unloading, and tensioning the saw wire when a position and/or a length of the sawing section is changed by the guide. The guide has, for each of the plurality of independent directions of movement, a separate wire storage associated with the given individual direction of movement.

An attachment for converting a CNC milling machine to a CNC wire saw machine. The attachment may include a gantry that may be coupled with a respective gantry of the CNC milling machine, a carriage that may be attached to and moveable with a respective carriage of the CNC milling machine. A drive pulley of the system may be coupled with and driven by a spindle of the CNC milling machine. The drive pully may drive a wire saw through an assembly of idler pulleys. A wire tension mechanism may keep the wire fully stretched. The wire tension mechanism may include a curved guide rail mounted on the gantry and a vertical guide rail mounted on the carriage. A slider that slides vertically on the vertical guide rail and follows the curved guide rail may house a tension wheel that may keep the wire at a fully stretched state.

A device for cutting a mat or panel made of mineral wool or a board or panel made of porous construction material, including a system for moving the mat or panel made of mineral wool or the board or panel made of porous construction material, which includes at least one conveyor, capable of moving along a direction, an endless diamond element designed to cut the mat or panel made of mineral wool or the board or panel made of porous construction material, a device for running the endless diamond element in a direction perpendicular to the direction of movement of the mat or panel made of mineral wool or the board or panel made of porous construction material, the endless diamond element being an endless diamond wire, an endless diamond cable or an endless diamond strip.