194results about "Sawing tools dressing arrangements" patented technology

Methods, apparatuses, and systems associated with a sample testing device are provided. For example, an example sample testing device may include a substrate layer defining a bottom surface of the sample testing device, as well as a waveguide disposed on the substrate layer and includes at least one reference channel and at least one sample channel.

The invention relates to the field of bone ash storage rack machining, in particular to a cutting device for bone ash storage rack machining. The invention provides a bone ash storage rack processing and cutting device which comprises a workbench, the workbench is fixedly connected with a supporting frame, the supporting frame is provided with a first electric push rod, the telescopic end of the first electric push rod is fixedly connected with a pressing block, the pressing block vertically slides on the supporting frame, the workbench is rotationally connected with a lead screw, and the lead screw is fixedly connected with the supporting frame. A servo motor is installed on the workbench, an output shaft of the servo motor is fixedly connected with a lead screw through a coupler, a guide frame is fixedly connected to the workbench, and the guide frame and the lead screw are arranged on the workbench side by side. By means of automatic tool changing, online grinding, precise limiting and rotary linkage, the problems that saw blades are fast in abrasion, complex to replace and poor in precision are solved; shutdown is reduced through automatic tool changing, and accurate butt joint is guaranteed through balance weight; the service life of the saw blade is prolonged through online grinding, grinding precision is guaranteed through a limiting and rotating mechanism, production efficiency and notch quality are improved, and the high requirement for bone ash storage rack machining is met.

The utility model relates to the technical field of saw blade repairing, and discloses a bimetallic strip saw blade tooth blade repairing device which comprises a fixing frame, a transverse electric sliding rail is fixedly arranged at the top of the fixing frame, a transverse electric sliding block is arranged in the transverse electric sliding rail, and an air cylinder is fixedly arranged at the bottom of the transverse electric sliding block. An oil storage tank is fixedly mounted at the tail end of a piston rod of the air cylinder, a grinding rod is fixedly arranged at the bottom of the oil storage tank, an oil separation plate is fixedly arranged in the oil storage tank, an oil discharge pipe is fixedly arranged at the bottom of the oil separation plate, an electromagnetic valve is arranged on the pipe wall of the oil discharge pipe, and an oil discharge port is formed in the bottom of the oil storage tank and located on one side of the grinding rod; a longitudinal electric sliding rail is fixedly arranged at the bottom of the fixing frame. According to the double-metal band saw blade repairing device, the double-metal band saw blade can be automatically polished, the repairing efficiency is improved, meanwhile, cutting oil can be automatically added, the tooth edge of the saw blade is effectively prevented from being abraded, and the repairing quality is improved.

The utility model discloses a quick high-precision positioning and grinding alloy band saw blade device, which relates to the field of metal processing equipment and comprises a workbench, a second fixing block fixedly mounted at the top of the workbench, a grinding device fixedly mounted at the top in the second fixing block and matched with a saw blade body for use, and a positioning frame arranged on the outer side of the grinding device. The positioning frame is fixed to the inner top of the second fixing block. The problem that the saw blade body is firstly placed between the first fixing block and the second fixing block, the ideal grinding effect needs to be achieved through rough grinding and accurate grinding twice is solved, the grinding efficiency is improved, compared with a traditional positioning mode of mechanical tooth feeding, point-to-point pushing can only be conducted between two set positions, and the grinding efficiency is improved. According to the device, a brand new positioning mode is adopted, accurate positioning of the alloy band saw blade is achieved through a high-precision sensor and a control system, the grinding process is more stable and accurate, and the stability of the whole device for rapidly and accurately positioning and grinding the alloy band saw blade is improved.

The invention discloses a cutting device for highway guardrail plate machining, and relates to the technical field of guardrail plate machining, the cutting device comprises a cutting mechanism, and a polishing mechanism for polishing a cutting tool is arranged on one side of the cutting mechanism; mounting mechanisms for cooling and collecting the grinding mechanism are arranged on the two sides of the end, close to the grinding mechanism, of the cutting mechanism correspondingly, and an extrusion mechanism for extruding cut raw materials is arranged on the side, close to the grinding mechanism, of the cutting mechanism. According to the blade cutting device, tiny abrasion and burrs of the cutting edge are removed, cutting burr increase and notch deformation caused by blade passivation are avoided, the production quality is improved, then bending generated at the cut-off position is flattened through the extrusion mechanism, the situation that the quality inspection rate of products is reduced due to the cut-off bending is avoided, and the production quality is improved.

The invention discloses a plate cutting device with a positioning mechanism, and belongs to the technical field of plate cutting, the plate cutting device comprises a cutting seat, a plate groove is formed in the top surface of the cutting seat, and a moving groove is formed in the cutting seat; according to the plate cutting device, the four stable walking assemblies are arranged on the two sides of the cutting structure correspondingly, through the design, the whole device is high in adjustability, cutting can be conducted on different positions of an installed plate, meanwhile, in the cutting operation process, the operation stability of the cutting structure can be continuously guaranteed, and meanwhile the stability of a cut material is guaranteed; the situation that redundant vibration is generated in the cutting process of a cutting material is avoided, the flatness of the cutting face of the material is effectively guaranteed, the whole cutter is protected, the cutting accuracy and precision are improved, meanwhile, in the cutting operation process, the two sides of the cutter can be continuously polished, the sharpness of the cutter is continuously guaranteed, and the cutting efficiency is improved. And the practical application effect of the whole equipment is improved.

The utility model discloses a saw blade cutting device for hard alloy band saw blade production, and belongs to the technical field of hard alloy band saw blade production. Comprising a cutting table, a fixing frame is arranged on one side of the upper end of the cutting table, a fixing assembly is arranged on one side of the fixing frame, and a cutting driving assembly is arranged above the cutting table; according to the hard alloy band saw blade cutting device, the hard alloy band saw blade is automatically driven and cut by arranging the driving cutting assembly, the hard alloy band saw blade does not need to be manually moved and cut, the time needed for cutting the hard alloy band saw blade is shortened, and therefore the cutting efficiency of the cutting device on the hard alloy band saw blade is improved; by arranging the fixing assembly, the hard alloy band saw blade is automatically pressed and fixed, the hard alloy band saw blade does not need to be manually fixed and disassembled, the time needed for fixing the hard alloy band saw blade is shortened, and therefore the fixing efficiency of the cutting device on the hard alloy band saw blade is improved.

There is provided a guide dresser for milling a saw guide, the guide dresser comprising first and second cutter assemblies that are slidably mounted on a rail or slide system so as to be adjustable, in operation, between an open position and a closed position. There is also provided cutter heads and methods for milling a saw guide.

The utility model relates to a double-sided grinding machine. A conventional saw blade grinding machine needs to change the position of a grinding wheel or adjust the position of a saw blade for reverse tooth machining, only one saw blade can be machined at a time, machining efficiency is affected, and the automation degree is low. The saw blade positioning device comprises a machine body, a saw blade feeding mechanism is arranged on the machine body, a center saw blade positioning mechanism is further arranged on the side portion of the saw blade feeding mechanism, clamping stations are arranged on the two sides of the center saw blade positioning mechanism, and the center saw blade positioning mechanism can turn over in the vertical direction to convert the positions of the clamping stations. Grinding wheel mechanisms are arranged on the two sides of the center saw blade positioning mechanism respectively. The saw blade machining device can complete saw blade machining in a full-automatic and efficient mode, and the working efficiency is remarkably improved.

A microfluidic chip for causing the delivery of a payload to a cell comprises a plurality of constrictions configured to allow a cell suspension to flow through one or more of the plurality of constrictions from a first fluid flow region to a second fluid flow region within the microfluidic chip, wherein a cross-sectional width of each of the plurality of constrictions is less than a diameter of cells in the cell suspension, such that membranes of the cells are perturbed when passing through the constrictions such that a payload is able to pass through the perturbed cell membranes, and wherein a quotient of a cross-sectional area over a cross-sectional perimeter of each of the plurality of constrictions is greater than greater than or equal to 0.5 μm.

The invention discloses a production process of an alloy saw blade. According to the technical scheme, the production process is characterized by comprising the steps of base material cutting, heat treatment, grinding, welding, sand blasting and coping operation. The base material is cut, the raw material is cut through laser, and sawteeth with the tooth width of S1 and the tooth depth of L1 are formed; the alloy teeth and the base body are welded, the alloy teeth have the width size of S2 and the length size of L2, the tooth width of S2 and the effective tooth depth of L3 are formed after welding, S2 is larger than S1, and S2 and L3 are in direct proportion; according to the grinding operation, tooth width data of the alloy saw blade to be ground is determined through a grinding machine, corresponding tooth deep processing data is formed according to the tooth width data, grinding operation of side edges and cutting edges is carried out on two sawteeth at different positions, the proportional relation between the tooth depth and the tooth pitch can be determined through the production process, and the production efficiency is improved.

The utility model discloses a saw blade relief angle machining device which comprises a support and a grinding machine, a clamping assembly is installed on the support, the clamping assembly comprises a supporting rod and a clamping sleeve, a moving assembly is installed on the support and comprises a guide rail and a first motor, a rotating assembly is installed at the bottom of the support, and the rotating assembly is connected with the supporting rod. The rotating assembly comprises a supporting sleeve and a second motor, the supporting sleeve is provided with a positioning assembly, the positioning assembly comprises a worm and an electromagnet, and the supporting rod is provided with a lifting assembly. According to the saw blade relief angle machining device, the third motor can be in threaded fit with the threaded sleeve through the threaded rod until the threaded sleeve is extruded to the button, the third motor is turned off, and the positioning assembly is turned off; when the saw blade is clamped, the clamping sleeve is stopped from being pressed, the clamping firmness of the saw blade is guaranteed, the saw blade is prevented from loosening in the machining process, the safe machining work of the saw blade is guaranteed, the saw blade is prevented from being damaged due to too large clamping force, the safety of the saw blade is guaranteed, and the device is suitable for sharpening the rear angle of the saw blade.

This invention provides a saw blade inner corner rounding grinding device, comprising a work platform, a mounting frame, a grinding device, a tooth-shifting assembly, a movable clamping plate, and a fixed clamping plate. A feeding hydraulic rod is mounted on the mounting frame, with its movable end connected to a bearing block. A lifting block is slidably mounted on the bearing block, and a mounting rod is mounted on the lifting block. The tooth-shifting assembly is slidably mounted on the mounting frame. When the saw blade is installed, it is positioned with the tooth-shifting assembly. Then, the feeding hydraulic rod moves the bearing block to the processing position. The movable and fixed clamping plates clamp the saw blade. The grinding device drives the grinding wheel to descend and rotate, grinding the inner corner rounding of the saw blade. After grinding one tooth, the tooth-shifting assembly drives the saw blade to rotate at a set angle to grind the next tooth. All saw blade teeth can be ground at once, making the operation simple and highly efficient.

The invention relates to a product used in the agricultural sector for pruning, cutting, and shaking operations. This product allows multiple tasks to be performed with a single machine by using interchangeable saw and shaking heads attached to a fixed body.

A saw blade piece cutting tooth grinding device comprises a mounting frame, a distance adjusting assembly, a linear driving assembly I, a tooth shifting assembly and a grinding assembly, the linear driving assembly I is arranged on one side of the mounting frame, the grinding assembly is arranged on the opposite side of the mounting frame, the distance adjusting assembly is arranged on the mounting frame, and the execution tail end of the distance adjusting assembly is matched with the power output end of the linear driving assembly I; wherein the distance adjusting assembly is used for adjusting the reciprocating distance of the power output end of the linear driving assembly I, the tooth stirring assembly is arranged on the mounting frame, and a stirring rod in the tooth stirring assembly is rotationally mounted on the mounting frame and makes contact with the tooth part of the saw blade. In the working process, the distance adjusting assembly and the linear driving assembly II are arranged, the distance of reciprocating motion of the sliding block II can be adjusted through the distance adjusting assembly, the distance between the tooth stirring assembly and the saw blade can be adjusted through the linear driving assembly II, and therefore the tooth stirring device can stir the saw blades with different sawtooth distances; by means of the device, automatic tooth shifting can be achieved when saw blades with different saw tooth intervals are ground.

The invention relates to the technical field of diamond saw blade machining and grinding, in particular to a high-precision grinding process for a diamond saw blade, which comprises a jacking mechanism, a reverse driving mechanism, a saw blade rotating mechanism, a grinding wheel I, a grinding wheel II, an annular cutter, a grinding stone, two inward pushing mechanisms, three rotating mechanisms and two angle adjusting mechanisms, according to the high-precision polishing process of the diamond saw blade, polishing of the outer edge, the groove, the gap groove and the splayed groove of the saw blade can be completed after the saw blade is installed at a time, the time of workers is saved, and meanwhile the polishing process does not need to be operated by the workers. And multiple grinding positions do not interfere with one another, and meanwhile, the equipment can be adopted for machining and grinding saw blades of different sizes. And when the saw blade rotates at a high speed, the second grinding wheel and the annular cutter can be farther away from the saw blade, and therefore the situation that the saw blade rotating at the high speed collides with the annular cutter and the second grinding wheel due to misoperation can be avoided.

The invention discloses a double-relief-angle tooth alloy band saw blade with a tooth breakage resisting function and a grinding method, the double-relief-angle tooth alloy band saw blade comprises sawteeth and a tooth tip welding area, the sawteeth are provided with double relief angles, the double relief angles comprise a first relief angle and a second relief angle, the sawteeth are connected with straps in a welded mode through the welding area, and the double relief angles are located on the upper edge of the saw blade. The tooth tip welding area surrounds the whole front end of the saw blade and is provided with a long extending area inwards. The special double-relief-angle design is adopted, that is, the excellent saw cutting capacity of the large-relief-angle tooth tip cutting edge is kept, and the large-relief-angle tooth tip cutting edge can better cut into a metal material in the cutting process; and a welding area with enough length is reserved, so that the tensile failure resistance of the tooth tip is improved.

This invention relates to a three-stage grinding equipment for alloy circular saw blades, comprising a machine body, a side angle grinding unit, a front angle grinding unit, a rear angle grinding unit, a storage bin, a robotic arm, and a PLC control system. The robotic arm, controlled by the PLC control system, moves the alloy circular saw blade to be processed from the storage bin, performs side angle grinding, front angle grinding, and rear angle grinding on the side angle grinding unit, and then returns it to the storage bin for storage. The storage bin has an initial blade feeding position, a tooth selection and splitting mechanism, and an end blade receiving position. Each of the side angle grinding unit, front angle grinding unit, and rear angle grinding unit includes a transfer feeding position, a working position, and a transfer receiving position. This invention enables the simultaneous completion of side angle grinding, front angle grinding, and rear angle grinding of alloy circular saw blades on a single machine, thereby improving the grinding efficiency of alloy circular saw blades and reducing equipment operating costs.

Methods, apparatuses, and systems associated with a sample testing device are provided. For example, an example sample testing device may include a substrate layer defining a bottom surface of the sample testing device, as well as a waveguide disposed on the substrate layer and includes at least one reference channel and at least one sample channel.

The utility model discloses a circular saw blade tooth grinding device which comprises a working table, motor bases are installed on the two sides of the top end of the working table, grinding wheels are installed on one sides of the motor bases, a linear motor is installed in the middle of the top end in the working table, and an adjusting mechanism is arranged at the top end of the linear motor. A bottom plate is arranged at the top end of the adjusting mechanism. The bottom end of the bottom plate is connected with the adjusting mechanism through the adjusting plate, and the positioning rod in the adjusting mechanism is inserted into the positioning groove in the adjusting plate, so that the position adjustment of the adjusting mechanism and the adjusting plate can be completed; the adjusting plate can drive the bottom plate at the top end to conduct inclination angle adjustment with the saw blade body, so that the grinding angle is rapidly adjusted according to the actual use condition of the circular saw blade, and the adjusting mechanism, the adjusting plate and the bottom plate can be driven by the linear motor to conduct distance adjustment with the grinding wheel.

The present invention discloses a multifunctional saw blade grinding and polishing device, which relates to the technical field of electric saw accessories. The present invention includes two housing fixing claws rotatably installed with each other. The bottoms of the housing fixing claws are fixedly installed with splicing plates. Two assembly holes are opened on the side walls of the two splicing plates. The two assembly holes at the same position are inserted with the same assembly bolt. One end of each assembly bolt is screwed with an assembly nut. A grinding assembly is arranged on the two housing fixing claws. By setting the grinding assembly, the two steering plates are rotated to make the grinding plate face the saw blade, and then the adjusting bolts on both sides are rotated to drive the two grinding plates to contact the two sides of the saw blade respectively. Then, the electric reciprocating saw is started to make the saw blade perform a reciprocating motion, and the grinding plates on both sides grind and polish the saw blade. Without manual operation, polishing can be achieved by means of the movement of the saw blade itself, reducing the operation difficulty and operation risk.

The utility model relates to the technical field of horizontal sawing machines, and discloses a saw blade height adjusting assembly of a horizontal sawing machine, which comprises two machining tables, an electric guide rail is fixedly connected to one sides, close to each other, of the two machining tables, and a driving assembly for driving subsequent parts to slide is fixedly connected to the inner wall of the front end of the electric guide rail. The front end of the top side of the driving assembly is fixedly connected with a connecting plate, the far ends of the top side of the connecting plate are fixedly connected with fixing plates, the close sides of the two fixing plates are fixedly connected with connecting plates, and the close sides of the two connecting plates are fixedly connected with connecting column frames. According to the device, the rotating plates can rotate around the pin in the concave frame after being pushed by the connecting column, so that the distance between the two rotating plates can be adjusted, processed materials are prevented from deviating, the device can adapt to collecting boxes of different sizes, and then the use range of the device is widened.

The chain saw friction plate comprises an inserting rod, supporting blocks distributed at equal intervals are evenly welded to the outer side wall of the inserting rod, a stainless steel base disc is welded to one end of the inserting rod, and the side, close to the inserting rod, of the stainless steel base disc is fixedly connected with the supporting blocks. The side, away from the inserting rod, of the supporting block extends out of the edge of the stainless steel base disc and is in a protruding shape, and the stainless steel base disc is sleeved with an annular grinding wheel piece. According to the chain saw friction plate, the stainless steel base disc and the supporting block are arranged on the inserting rod, so that after the stainless steel base disc is sleeved with the annular grinding wheel, the annular grinding wheel can be fixed by screwing up the threaded rod, and therefore the annular grinding wheel can be powerfully supported by the stainless steel base disc and the supporting block when rotating; by means of the arrangement, the problem that the grinding wheel is prone to being broken when the grinding wheel rubs saw teeth of a chain of a chain saw is effectively solved, and therefore the stability and safety of the chain saw friction plate in the using process are improved.

The full-automatic band saw gear grinding machine comprises a bottom plate, a grinding table is arranged at the top of the middle of the bottom plate, a penetrating groove is formed in the middle of the grinding table, a band saw blade penetrates out of the penetrating groove in a sliding mode, a base is fixed to the bottom of the grinding table, and the base is fixedly connected with the bottom plate; the grinding assembly comprises a top frame, two first inclined rails are symmetrically arranged at the bottom of the middle of the top frame, a grinding disc is installed between the two first inclined rails, and cross rods are arranged at the positions, located at the front end and the rear end of the grinding disc, of the bottom of the top frame; the positioning assembly comprises a transverse plate, the band saw blade on the grinding table is intermittently pushed and dragged through the traction assembly and a transverse rod of the grinding assembly, so that each position of the band saw blade can be placed on a grinding station, and the position of a grinding disc is adjusted through the positioning assembly according to the sawtooth slope and depth of the band saw blade; therefore, the grinding disc is matched with the band saw blade.

The invention relates to the technical field of circular saw blade machining, and discloses a circular saw blade machining rotary positioning mechanism and a working method thereof.The circular saw blade machining rotary positioning mechanism comprises a supporting frame and a rotary column rotationally connected to the front side of the supporting frame, and a clamping assembly is arranged at the front end of the rotary column; the circular saw blade clamping device comprises a supporting frame used for detachably fixing a circular saw blade to be machined, a limiting assembly is fixedly installed on the front side of the supporting frame, the front end of the limiting assembly is fixedly connected with an arc-shaped connecting block, the arc-shaped connecting block can rotate around the axis of the limiting assembly through a rotating assembly, and a clamping air cylinder is installed at the front end of the arc-shaped connecting block through a telescopic assembly. The circular saw blade machining rotating and positioning mechanism and the working method thereof have the advantages that the circular saw blade can be conveniently installed and fixed, the circular saw blade can be rotated, the rotating precision is high, and the grinding precision of the circular saw blade is improved.

The invention belongs to the technical field of saw blade sawtooth passivation treatment, and discloses saw blade sawtooth passivation treatment equipment which comprises a bearing plate, a sliding frame is arranged at the top of the bearing plate in a sliding mode, two rapid locking assemblies are arranged on the inner side of the upper end of the sliding frame, and each rapid locking assembly comprises a rotating frame. The middle of the rotating frame is rotationally provided with an adjusting disc, the inner side of the adjusting disc is provided with three sets of arc-shaped guide grooves, the inner side of the adjusting disc is provided with three sets of elastic grooves, and one side of the interior of the rotating frame is provided with a fixing block. According to the saw blade clamping device, the clamping structure can be adjusted in a rotating mode to clamp a saw blade, meanwhile, the saw blade is limited through the outwards-extending locking block and prevented from falling off, saw blades with different diameters can be flexibly locked through the rapid locking assembly, and meanwhile the clamping stability is effectively improved.

A chainsaw support apparatus 1 for securing a chainsaw 30 comprises a support with a first region 9 for receipt of a body of the chainsaw, and a second region 6 for receipt of a guide bar 32 of the chainsaw, the second region securing the guide bar. A method for sharpening and / or conducting maintenance on a chainsaw using said apparatus is provided, wherein the body of the chainsaw is located on the first region, and the guide bar of the chainsaw is brought into proximity with the second region and is secured prior to the sharpening / maintenance. A method of mounting a support apparatus by adjusting at least one dimension of the apparatus to adjust its length and / or width and mounting the apparatus to a surface, tailgate, flatbed or other planar vehicular surface is further provided. A clamp 6 may secure the guide bar, and a third region 10 may receive a distal end of the bar. The distances between the regions may be adjustable and the support may comprise telescopic or overlapping members.

The utility model discloses a protective device for an electrolytic aluminum polishing machine, which belongs to the technical field of polishing machine protection and comprises a fixed bottom plate, a support frame, a top plate and a saw blade fixing component, the support frame is mounted on the fixed bottom plate, the top plate is arranged at the top of the support frame, and an inclined transparent protective plate is arranged in the middle of the top plate. A saw blade fixing assembly is installed under the transparent protection plate and comprises a rotating base, a lifting supporting rod and a supporting plate. The saw blade polishing device has the advantages that the saw blade polishing device is horizontally placed on the ground, a blunt saw blade can be placed on the saw blade fixing assembly of the saw blade polishing device to be limited and fixed, the inclined transparent protection plate is arranged over the saw blade fixing assembly, and a worker can hold a polishing machine to the position below the transparent protection plate to polish the saw blade; sparks or chippings are prevented from being splashed on the body of a worker, normal operation of the worker is not affected, great convenience is provided for the worker, and the protection effect of the device is further improved.

The invention discloses a multifunctional saw blade grinding and polishing device, and relates to the technical field of electric saw accessories. The device comprises two shell fixing claws which are rotationally installed mutually, splicing plates are fixedly installed at the bottoms of the shell fixing claws, two assembling holes are formed in the side walls of the two splicing plates, the same assembling bolt is inserted into the two assembling holes located in the same position, one end of the assembling bolt is in threaded connection with an assembling nut, and the other end of the assembling bolt is in threaded connection with the assembling nut. The two machine shell fixing claws are provided with the same grinding assembly. By arranging the grinding assembly, two steering plates are rotated, grinding plates face a saw blade, then adjusting bolts on the two sides are rotated to drive the two grinding plates to make contact with the two sides of the saw blade correspondingly, then the electric reciprocating saw is started, the saw blade conducts reciprocating motion, the grinding plates on the two sides grind and polish the saw blade, manual operation is not needed, and the working efficiency is improved. Polishing can be achieved through movement of the saw blade, and the operation difficulty and the operation risk are reduced.

A saw chain grinding machine (2), for grinding a saw chain (4) provided with left-hand and right-hand cutting links (6), the machine (2) comprises a feeding arrangement (8) structured to feed the saw chain (4) in a forward direction along guiding members (28, 30) such that a longitudinal axis of said saw chain (4) is essentially horizontally oriented during grinding. The machine (2) comprises a first grinding station (10) provided with a first grinding disc (12) rotatable about a first spindle (14) and configured to grind one of said left-hand and right-hand cutting links (6), and a second grinding station (16) provided with a second grinding disc (18) rotatable about a second spindle (20) and configured to grind the other of said left-hand and right-hand cutting links (6), said grinding stations (10, 16) are arranged at a distance from each other along the saw chain (4), and that said spindles (14, 20), provided with said grinding discs (12, 18), are arranged above a saw chain (4) arranged at said guiding members (28, 30). The machine (2) comprises a control unit (22) that is configured to control said grinding stations (10, 16) to perform simultaneous grindings of left-hand and right-hand cutting links (6) of said saw chain (4) by applying a predefined grinding cycle.