259 results about "Wire saw" patented technology

The invention relates to a method for separating a plurality of semiconductor material wafers from workpieces during a number of wafer separation operations for an associated workpiece separation process per workpiece by means of a wire saw comprising a wire gate of moving wire sections of a saw wire stretched between two wire guide rollers, wherein each of the wire guide rollers is mounted between a fixed bearing and a floating bearing, comprising the step of carrying out the wafer separation operations of the current workpiece separation process on the current workpiece by temperature-controlling the fixed bearing of the respective wire guide roller during the current workpiece separation process according to a previously determined WGTC temperature curve within the method, which was determined on the basis of a weighted determination of historical data from past workpiece separation processes.wherein, in each of the disc cutting operations, sawing is carried out in a cutting area of ​​the workpiece at a substantially constant cutting speed within the range of 2000 µm / min to 3000 µm / min. The invention further relates to a disc made of semiconductor material, which is produced in particular by the sawing method according to the invention, wherein the disc has a TTV value in the range of 6.0 µm to 58.5 µm, preferably in the range of 10.8 µm to 30.5 µm, and more preferably in the range of 12.9 µm to 25.6 µm.

The utility model relates to the technical field of jigsaw machines, in particular to a wire inlet and outlet adjusting device of a stone jigsaw machine, which comprises a rack, a jigsaw bench is arranged at the top of the rack, a jigsaw machine shell is arranged at the top of the rack and positioned on one side of the jigsaw bench, and transmission belt wheels are rotatably connected in the jigsaw machine shell in a vertically symmetrical manner. According to the wire sawing machine, the two sets of fixing supporting plates are additionally arranged at the position of a cutting notch, the fixing outer sleeves and the adjusting inner sleeves are arranged on the fixing supporting plates, the gears are driven by the positive and negative motors to rotate, the cutting wires are driven to rotate, and the cutting wires are driven to rotate. And therefore, the adjusting inner sleeve is driven to extend out of the fixed outer sleeve, the guide pulleys abut against the outer side of the cutting line, the positions of the incoming line and the outgoing line can be adjusted through the two sets of guide pulleys which are distributed in a staggered mode, the adjusting precision is greatly improved, and cutting and sawing of rough stone blocks are better facilitated.

This invention discloses a method for connecting a new pipeline to an old pipeline during pipeline relocation without interrupting flow. The method includes the following steps: S1, excavating a working well, with the connection point between the new and old pipelines located within the working well, and jacking the new pipeline into the working well using a pipe jacking method; S2, constructing an inspection well within the working well; S3, providing a cutting rope and a wire saw, placing the wire saw on the ground, wrapping the cutting rope around the section of the old pipeline to be cut, and operating the wire saw from the ground to cut the old pipeline; S4, sealing the abandoned section. This invention, by using a wire saw for cutting, allows construction personnel to operate the wire saw from the ground to cut the old pipeline within the inspection well, eliminating the need for a dry working environment within the inspection well, thus avoiding the need for sealing and preventing problems such as sewage backflow and waterlogging caused by prolonged sealing.

1. Name of the designed product: wire cutting machine (swing type) 2. Use of the designed product: for wire cutting machine 3. Design points of the designed product: combination of shape and pattern 4. Picture or photo best showing the design points: perspective view 1

The application discloses a workpiece linear cutting efficiency improving device, which comprises a base plate and a dividing disc, the dividing disc is connected with the base plate, the base plate is provided with a through hole and a tool setting groove at the edge, the dividing disc is provided with a main dividing hole corresponding to the position of the through hole, the dividing disc is provided with a plurality of auxiliary dividing holes taking the main dividing hole as a reference, the position relationship between the main dividing hole and the auxiliary dividing hole corresponds to a plurality of cutting positions of the workpiece; when the main dividing hole coincides with the through hole, the dividing disc is provided with a main escape groove at the corresponding position of the tool setting groove; the dividing disc is further provided with a plurality of auxiliary escape grooves, each auxiliary escape groove corresponds to an auxiliary dividing hole, and the included angle between each auxiliary escape groove and the corresponding auxiliary dividing hole is equal to the included angle between the main dividing hole and the main escape groove; the dividing disc is provided with a positioning disc, the positioning disc is provided with a stop opening for placing the workpiece, and the positioning disc is provided with a pressing plate; the positioning disc and the pressing plate are both circumferentially provided with escape grooves with the same positions as the main escape groove and the auxiliary escape groove of the dividing disc; the dividing disc, the positioning disc and the pressing plate are correspondingly provided with at least two connecting holes, guide columns are arranged in the connecting holes to fix the positions of the three.

A horizontal pushing device of a feeding and discharging system of a multi-wire cutting machine comprises a driving mechanism, a pushing executing mechanism and a frame, the frame is fixed to a machine body of the multi-wire cutting machine, the pushing executing mechanism is assembled on the upper portion of the frame, the driving mechanism is arranged on the outer wall of one side of the frame, and the pushing executing mechanism is driven by the driving mechanism to operate; the pushing executing mechanism is provided with a lead screw nut transmission assembly, a supporting beam, a sliding block, a sliding rail and a connecting frame. The supporting beams and the sliding rails comprise two parts which are arranged in a bilateral symmetry mode, the supporting beams in the left part and the right part are connected together through a connecting frame, the sliding blocks are fixedly assembled on the supporting beams and matched with the corresponding sliding rails, the sliding rails are fixed to the inner side of the frame, and the lead screw nut transmission assembly is arranged on one side of the frame. The lead screw is fixedly assembled with the output end of the driving mechanism, and the nut is fixedly connected with the joist arranged on the same side. According to the utility model, the purposes of ensuring the reliability of loading and unloading work of the workpiece and improving the working efficiency are achieved.

The application discloses a slow wire cutting equipment, which comprises a machine body, a liquid storage pool arranged on the machine body, a moving frame in sliding connection with the machine body, a plurality of guide wheels arranged on the machine body and the moving frame, and a protection assembly. The protection assembly comprises a communication block, a protection column is inserted into the communication block, a through groove is arranged in the center of the column body of the protection column, the through groove penetrates through the protection column, and a second water guide groove is arranged in the lower end surface of the protection column and located between the outer wall of the protection column and the through groove. The slow wire cutting equipment can effectively protect the thin copper wire, avoid the change of the discharge gap between the thin copper wire and the workpiece caused by the oxide skin and carbon residue generated in the workpiece cutting process, ensure the stable discharge state between the thin copper wire and the workpiece, effectively prevent the thin copper wire from being broken due to the change of the discharge gap during the workpiece cutting, avoid the workpiece from being scrapped, and further help to improve the machining quality and the working efficiency.

The application discloses a wire cutting machine tool wire guide device and belongs to the technical field of processing equipment. The wire cutting machine tool wire guide device comprises a main beam and a tension adjusting mechanism, a wire diameter detecting mechanism, a guide mechanism and a collecting mechanism. The main beam is provided with the tension adjusting mechanism for adjusting the wire tension in real time. One side of the main beam is provided with the wire diameter detecting mechanism for detecting the wire diameter in multiple directions. One side of the main beam is provided with the guide mechanism for guiding the wire. One side of the wire diameter detecting mechanism and the guide mechanism is provided with the collecting mechanism for collecting impurities on the wire. The guide mechanism comprises a guide wire feeding assembly and an anti-interference assembly. The main beam is provided with the guide wire feeding assembly for guiding the wire feeding. In the above manner, the application can improve the accuracy of wire detection after wire feeding and the accuracy of wire diameter detection, can clean the wire surface in real time and prolong the service life of the wire.

The utility model discloses a wire threading mechanism for a linear cutting machine tool. The wire threading mechanism comprises a first supporting table, a second supporting table and a motor bearing cushion block. The utility model relates to the technical field of machine tool accessory assistance, the cutting wire can be rapidly and stably installed on the mechanism through the design of a cutting wire multi-dimensional tension structure, by means of the structure, a linear cutting machine tool can be rapidly and efficiently put into operation, and the machining efficiency is remarkably improved; compared with a part of mechanisms of the same type, the mechanism effectively avoids the risk that the cutting wire is damaged due to excessive tensioning, and by precisely regulating and controlling the tensioning force, the potential problem caused by improper tension is avoided while the installation stability of components is guaranteed, so that the wire cutting operation can be efficiently carried out in a safe and stable environment, and the working efficiency is improved. And powerful support is provided for the production efficiency and the product quality of enterprises.

The present application relates to four-roll spindle multi-wire cutting technology and equipment field, specifically relates to a kind of for four-roll spindle multi-wire cutting machine auxiliary winding device and control method.Wherein device includes rack platform, 2n regular distribution and parallel guide rails are provided on the rack platform along y direction, n>1;Rack platform is installed with the lock sliding block of normally closed type matched with the one end of guide rail, rack platform is installed with the single-shaft moving platform for driving guide rail movement along x direction by motor control and being connected with the other end of guide rail, the guide rail is uniformly distributed with multiple variable shaft angle roller assembly.This device and control method can make the diamond wire acting on the surface of workpiece completely perpendicular to the axis of four main roller, ensure that the path of the diamond wire is basically unchanged when reciprocating, thereby reducing the wear between main roller axis slot and diamond wire, improving the service life of diamond wire, improving wire cutting quality, reducing cutting loss.

The objective is to provide a method for removing upper deck slabs that can efficiently remove upper deck slabs 12 installed near railway track 2 within a limited working time. [Solution] A method for removing an upper deck 12 installed near a railway track 2, which is removed by cutting it with an endless wire saw 6a, characterized in that it includes a temporary support step (step S101) in which the upper deck 12 to be removed is supported from below by a lifting trolley 5, a cutting step (step S106) in which a wire saw 6a, covered with an open cross-section protective body 7 that extends along a desired extension cutting line L1 of the upper deck 12, cuts the upper deck 12 along the extension cutting line L1, and a removal step (step S107) in which the separated upper deck 12 is removed at a predetermined location.

The application provides a wire cutting device and a wire cutting method. The wire cutting device comprises a cutting device, the cutting device comprises a base, a wire winding assembly, a cutting chamber assembly and an infeed assembly which are arranged at intervals on the base, the base comprises a first seat body and a second seat body which are connected, the wire winding assembly is arranged in the first seat body, the infeed assembly is arranged in the second seat body, and the cutting chamber assembly is installed above the second seat body; wherein a material conveying assembly is movably arranged and connected or disconnected with a material plate assembly to drive the material plate assembly to move; the infeed assembly is used for carrying the material plate assembly from a feeding and discharging device and driving the material plate assembly to move relative to the cutting chamber assembly, so that the cutting chamber assembly cuts the material on the material plate assembly, thereby solving the problem of low automation degree of a slicing machine in the feeding and discharging links of the material in the prior art.

The invention discloses a preparation method of a brazed superhard abrasive bead, the bead and a wire saw, and relates to the technical field of cutting tools. The preparation method comprises the following steps that a plurality of first clamping ring molds are clamped to the peripheral surface of a base body at intervals; coating glue on the peripheral surface of the base body between any two adjacent first snap ring molds; taking down the first snap ring mold to obtain a first semi-finished product; a second clamping ring mold is arranged on the peripheral face of the first semi-finished product, and the superhard abrasive is scattered at the position where the glue is coated; taking down the second snap ring mold to obtain a second semi-finished product; third clamping ring molds are evenly arranged on the peripheral face of the second semi-finished product, and the super-hard abrasive is coated with brazing filler metal paste; taking down the third snap ring mold to obtain a third semi-finished product; and the third semi-finished product is subjected to vacuum brazing, and the finished brazing superhard abrasive bead is obtained. The bead string provided by the invention is prepared by the preparation method. The chip removal effect and the cooling effect in the cutting process can be improved, and the use amount of super-hard abrasives and brazing filler metal can be reduced.

The invention discloses a diamond string bead, a preparation method of the diamond string bead and a preparation method of a diamond wire saw. The preparation method of the diamond string bead comprises the following steps: adding cylindrical powder mixed with an organic binder into a die cavity of a main die; adding a plurality of diamonds into a die cavity of the main die according to a first rule, wherein the plurality of diamonds are positioned in the cylindrical powder; the lower pressing head is moved upwards, the upper pressing head is moved downwards, pressure is applied to the column powder and the diamonds in the die cavity from the upper side and the lower side, and a metal column containing multiple diamonds is formed through cold pressing; taking out and carrying out pressureless sintering on the metal cylinder; the carcass powder is added into a cold pressing die cavity; feeding the sintered metal cylinders into a cold pressing die cavity, arranging the metal cylinders in the cold pressing die cavity according to a second rule, and inserting the metal cylinders into the matrix powder; carrying out cold pressing treatment on the carcass powder and the metal cylinder to obtain a bead string working layer; and hot-pressing and sintering the bead working layer to obtain the diamond bead.

The utility model belongs to the technical field of linear cutting machine tools, particularly relates to a wire feeding device of a linear cutting machine tool, and provides the following scheme aiming at the problems that in the prior art, when the linear cutting machine tool carries out wire feeding, the tension degree of a wire is difficult to adjust according to use requirements, and the use efficiency is greatly reduced. The control panel is fixedly connected with a cutting machine tool; the two guide rollers are rotationally connected to the left side of the control panel; the adjusting roller is connected to the left side of the control plate in a sliding manner; according to the wire feeding device, the two guide rollers are controlled to conduct wire feeding, meanwhile, the motor works to assist the adjusting roller to move, so that the wire feeding tension degree is adjusted, the electric push rod works, the wire feeding tension degree is adjusted, the wire feeding tension degree is adjusted, and the wire feeding tension degree is adjusted. The electric push rod guides the auxiliary sleeve to move to control the silk threads, and the silk threads are prevented from deviating to affect machining.

The invention discloses a traction wheel for manufacturing a diamond fretsaw and a manufacturing method, and relates to the technical field of electroplating, the traction wheel comprises a rack, a conveying mechanism, a traction wheel mechanism and a take-up mechanism, the rack is provided with the conveying mechanism, the traction wheel mechanism and the take-up mechanism; by arranging the conveying mechanism, wires can be automatically conveyed, base lines can be limited, and wire jumping is prevented; the conductive impeller and the traction wheel are designed in a split mode so that the conductive impeller can be replaced and overhauled conveniently, conductive liquid can be stirred through rotation of the conductive impeller, components in the conductive liquid can be effectively and evenly dispersed, and the precipitation and layering phenomena are prevented; the universal traction wheel mechanism is matched with the take-up mechanism, so that electroplated wires can be automatically wound.

The utility model relates to the field of optics, and discloses a wafer array type multi-wire cutting device which comprises a machine body, and a roller is arranged at the front end of the machine body. The mortar spraying assembly comprises a rectangular box and a connecting arm, the bottom end of the rectangular box is open, and a first spraying unit and two sets of second spraying units are arranged in a cavity of the rectangular box; and a position adjusting unit is arranged between the two second spraying units and the rectangular box and comprises a servo motor, a rotating shaft and a moving seat. The position adjusting unit is arranged between the two sets of second spraying units and the rectangular box, so that the positions between the two sets of second spraying units and the rectangular box can be adjusted, the positions of the two sets of second spraying units are adjusted according to the size of an actual machined part, and it is guaranteed that mortar is reasonably and evenly distributed on the workpiece in the cutting process; and the stability of cutting quality is ensured.

The invention relates to the technical field of cutting equipment, in particular to wire cutting equipment which comprises a rack, a driving assembly is arranged on the rack, a wire winding drum is arranged on the rack, the two ends of an electrode wire are both fixed to the wire winding drum, and the used electrode wire and the unused electrode wire are both wound around the wire winding drum; a pressing wheel is rotationally connected to the lower mounting block, a pressing groove is formed in the pressing wheel, the pressing groove abuts against the electrode wire, the pressing wheel is rotationally connected to the mounting frame, and an air blowing assembly used for blowing air towards the portion, between the pressing wheel and the lower mounting block, of the electrode wire is arranged on the lower mounting block; the air blowing assembly comprises an installation ring fixed to the lower installation block, an installation cover connected to the installation ring in a threaded mode and an air blowing opening formed in the installation cover. The chip cleaning device has the effect of reducing abrasion of the electrode wire in the chip cleaning process.

The utility model provides a fret saw capable of adjusting roller distance, which comprises a base, a lifting mechanism and an adjusting mechanism are arranged on the base, the lifting mechanism comprises a movable lifting bracket, the adjusting mechanism comprises a rectangular frame, a fixed roller frame and a movable roller frame, the rectangular frame is provided with a horizontal slide rail, a rack and a positioning hole, and the horizontal slide rail is connected with the rack. The two sides of the fixed roller frame and the two sides of the movable roller frame respectively protrude to form shoulders, sliding blocks are installed on the shoulders, the movable roller frame is provided with a driving gear, and the back of the fixed roller frame and the back of the movable roller frame are provided with a take-up and pay-off wheel and a tensioning wheel. According to the utility model, the fixed roller frame and the movable roller frame are supported on the horizontal slide rails through the shoulder parts protruding from the two sides, so that the roller frame can bear larger weight and is not easy to deform; secondly, a take-up and pay-off wheel is installed behind the fixed roller frame and the movable roller frame to achieve take-up and pay-off of the diamond wire on the roller frames, a tensioning wheel plays a role in automatically tensioning the diamond wire, and the cutting precision of the diamond wire is improved; finally, the stone is moved through the lifting bracket to be matched with the diamond wire to achieve automatic cutting.

The utility model relates to the technical field of fretsaw tools, in particular to a fretsaw tool with an adjustable leather sheath pull ring, which comprises a fretsaw main body, a red plastic handle and a transparent plastic packaging bag. The fretsaw body is made of spirally wound metal wires, and a fixed end ring and an adjusting end ring are arranged at the two ends of the fretsaw body and used for being connected with the handle and achieving tension degree adjustment. The red plastic handle adopts human engineering design and has anti-skid performance and high connection strength; the transparent plastic packaging bag is provided with a self-sealing strip and an anti-static coating, so that protection and storage are facilitated. By optimizing the structural design and material selection, the cutting efficiency, durability and portability are improved, meanwhile, the user operation experience is improved, and the cutting device is suitable for various scene requirements.

The utility model discloses a guide wire transition device for a wire cutting machine and the wire cutting machine, and belongs to the technical field of electrode wire cutting equipment. The guide wire transition device comprises a moving mechanism and a transition pipe, the transition pipe is installed on the moving mechanism, one end of the transition pipe extends to the position below the second wire source device, when the wire cutting machine uses the first wire electrode, the moving mechanism moves the transition pipe to the position matched with the first wire conveying device and the wire penetrating pipe, and when the wire cutting machine uses the second wire electrode, the moving mechanism moves the transition pipe to the position matched with the wire penetrating pipe. The moving mechanism moves the transition pipe to the position where the transition pipe does not make contact with the wire clamping device. One end of the transition pipe extends to the position below the second wire source device, the length of a wire penetrating pipe cantilever of the wire penetrating device can be shortened when the transition pipe is used, and a first electrode wire sequentially passes through the wire penetrating pipe and the transition pipe to enter the first wire conveying device. The problem that in the prior art, a threading device and a first wire conveying device are not stably matched is solved.

1. Name of the product in this design: Wire saw handle. 2. Purpose of this design: For sawing items. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A system for slicing wafers from a single-crystal semiconductor ingot includes a wire saw, a bond beam, a single-crystal semiconductor ingot, and two sacrificial disks. The wire saw includes a wire web and a wire guide that is operable to drive the wire web during the slicing operation. The bond beam is connected to the wire saw. The wire saw is operable to move the bond beam toward the wire web during the slicing operation to slice wafers from the ingot. The ingot includes longitudinal end faces and circumferential end faces extending between the longitudinal end faces. The ingot is attached to the bond beam along its periphery. Sacrificial disks are positioned adjacent to each of the longitudinal end faces of the ingot, one on each side.

The utility model belongs to the field of building construction, and particularly relates to underground anchor rod cutting equipment close to a building, which comprises a rope sawing machine, the rope sawing machine is mounted in a bearing box, the bearing box is welded at the upper end of H-shaped steel, and hoisting pieces are symmetrically welded at four corners of the bearing box; supporting plates are symmetrically welded to the two opposite side faces of the lower portion of the H-shaped steel, and inclined plates are symmetrically welded between the two supporting plates; guide wheels are arranged on the two sides below the wire saw respectively, and supporting wheels are arranged on the left side and the right side of the lower portion of the supporting plate. The lower portions of the two supporting plates are provided with notches for the anchor rod to penetrate through. According to the equipment, H-shaped steel and a rope saw are combined, a crane is used for hoisting equipment for cutting, and compared with a traditional anchor rod removing mode, the equipment is convenient, efficient and safe, hole collapse cannot be caused, and the construction cost is saved.

The utility model relates to the technical field of wire cutting equipment, in particular to a single-side transfer multi-wire cutting machine. The utility model provides a unilateral transfer multi-wire cutting machine, including cutting machine main part, lifting mechanism, cutting subassembly, pay-off subassembly, take-up subassembly, the cutting machine main part is square frame structure, the lifting mechanism is provided on the both sides of cutting machine main part, the cutting subassembly is provided in the cutting machine main part through the lifting mechanism, the pay-off subassembly is provided with pay-off subassembly, take-up subassembly is provided in the cutting machine main part. By means of the single-side transfer structure, a set of lifting structure for controlling the roller support is omitted, and the control mode is relatively simple along with the change of the structure. Angle inclination of a cutting line and a cut object can be achieved without a material platform swinging mode or overall inclination of the cutting frame, and the cutting progress is accelerated.

The utility model relates to the technical field of workpiece feeding devices, in particular to a feeding amount adjustable workpiece feeding device for fret saw cutting machining, which comprises a cutting table, an adjusting groove is transversely arranged on the rear side of the base surface of the cutting table, and a threaded rod is rotatably arranged in the adjusting groove. A first adjusting block is arranged on the left side of the outer wall of the threaded rod in a threaded mode, and the threaded rod can be driven to rotate by rotating an adjusting button through the arranged workpiece feeding device which is used for wire saw cutting machining and adjustable in feeding amount. Under the cooperation of a first adjusting block and a second adjusting block, a first limiting sliding rail and a second limiting sliding rail can be driven to move correspondingly, so that a first sliding seat and a second sliding seat can be driven to move, cutting materials of different sizes can be placed and fixed, a driving motor can run to drive a pushing sleeve to rotate, and therefore the cutting materials can be fixed. And the pushing rod can drive the pushing plate to move, so that the pushing plate can push the cutting material to move, and the cutting material can be better cut.

This invention relates to the field of machining technology and provides a wire EDM method for keyway wire EDM of cylindrical molds, comprising the following steps: S1, using the cylindrical mold as a reference, fabricating a rubber washer; S2, placing the washer obtained in step S1 between two cylindrical molds, using the whole as the workpiece to be cut; S3, placing the workpiece to be cut obtained in step S2 on the clamp of the wire EDM machine, and starting the coolant supply device of the wire EDM machine after clamping; S4, starting the wire cutting wire of the wire EDM machine to process the keyway of the workpiece to be cut; The wire EDM method provided by this invention can increase the clamping height at one time, greatly improve production efficiency, greatly save manufacturing costs, achieve a 100% overall pass rate, and the finished product processed by this method meets the key dimension control requirements proposed by the process.

The present application relates to a kind of brazed diamond bead stringing rope saws of cooling channel, including bead and steel rope;Bead includes matrix, matrix inside is adapted to the joint between the setting adhesive filler and steel rope, the both ends of matrix are set as working end, diamond cutting layer is set on working end, and the diameter of middle part in matrix is less than the diameter of working end and forms cooling channel.The middle section of matrix is reduced in diameter, there are two working ends on matrix, and the cooling channel formed between two working ends, so that effect is greatly improved, it is beneficial to reduce diamond wear rate, the channel simultaneously plays the role of chip, greatly shorten the axial chip removal distance, reduce friction resistance and the wear of powder dust to binder, thereby indirectly reduce the requirement to binder density and the requirement to steel wire strength, it is beneficial to the development of small diameter of rope saw.Solve the problem that the existing brazing mode limits the small diameter development of bead and has short service life.

The utility model relates to wire cutting technical field, concretely provides a kind of wire cutting machine and its coplanar detection device, the wire cutting machine includes guide wheel group, the guide wheel group includes at least one guide wheel, the coplanar detection device can be set in the position of wire cutting machine close to the guide wheel, wherein, the coplanar detection device includes: at least two detection components, the detection component is set in the position of wire cutting machine close to the cutting line of guide wheel;And driving part, it can drive at least two in the detection component close to or contact the cutting line close to the guide wheel to be in working condition, to: the relative position of cutting line and the wire slot of guide wheel is detected by the detection component. By such composition, the coplanar level of cutting line close to guide wheel and guide wheel between can be detected by coplanar detection device. As in the case of coplanar level not up to standard, coplanar can be found by the way of fine adjustment guide wheel.

The application discloses a manufacturing method of a diamond wire saw by using extrusion-upsetting resistance welding and pre-fixing beads, and comprises the following steps: step one, cutting a steel wire rope into a certain length and placing the steel wire rope on an extruder to extrude and upset a small step; step two, threading a bead on the steel wire rope and making the bead adhere to the small step, and fixing and connecting the outer end of the bead with the steel wire rope; step three, placing the steel wire rope on the extruder and extruding and upsetting another small step L by using an extrusion head; step four, threading a spring on the steel wire rope, making the spring abut against the bead, threading another bead on the steel wire rope; step five, fixing and connecting the outer end of the another bead with the steel wire rope and ensuring that the another bead abuts against the another small step; and step six, repeating the steps three, four and five until the fixing of the beads of the whole wire saw is completed. The application can realize more firm pre-positioning of the beads, reduce the requirement for the rubber vulcanization hardness, improve the production efficiency, and improve the quality and service life of the wire saw.