507results about "Tool holders" patented technology

The invention discloses a horizontal five-axis turning and milling composite center with a self-adaptive matching system. The horizontal five-axis turning and milling composite center comprises a tool turret, a boring tool mechanism, a tool changing area and a control system. A radio frequency identification reading device is arranged in a tool changing area of the tool turret and the boring tool mechanism, and an RFID chip tag is attached to the outer surface of each tool and used for storing tool serial numbers, specifications and length compensation parameters. And the control system realizes self-adaptive matching and sequential error correction of the cutter and the working procedure through radio frequency identification. The tool changing area is provided with a visual monitoring assembly which comprises a plurality of sets of industrial cameras, an adjustable light source and a structured light stripe illumination module and is used for detecting the clamping posture, the abrasion state and the type of a tool. The system has self-learning and digital twinning simulation functions, and can simulate the motion trail of the cutter and predict the interference risk before the cutter is changed. According to the method, integrated control over automatic tool recognition, posture correction, abrasion detection and path prediction is achieved, and the tool changing precision, the operation stability and the automation level of the horizontal five-axis turning and milling composite center are remarkably improved.

The tool turret comprises a tool turret body, a tool disc, a motor and a tool apron, a first gear is arranged on the tool disc, a second gear is arranged on an output shaft of the motor, the first gear is meshed with the second gear, a first mounting groove is formed in the tool disc, the tool apron is inserted into the first mounting groove, and the tool turret is arranged in the first mounting groove. A limiting block is arranged on the cutter head in the axis direction of the cutter head in a sliding mode, the limiting block is located on the side, away from the tool turret body, of the cutter head, a limiting groove is formed in the tool apron, the limiting block is inserted into the limiting groove and limits the tool apron to be disengaged from the first installation groove, and a control mechanism used for controlling the limiting block to slide is further arranged on the tool turret body. By simplifying disassembly and assembly of the tool apron, the tool changing efficiency of the tool turret is improved, and the tool apron and the tool can be replaced by the manipulator.

The application relates to a tool tower for a numerical control machine tool, comprising a tower body, a tool disc, a plurality of tool seats, a protective cover arranged on the tower body, wherein the protective cover comprises a cover body and a cover plate; a first matching part is arranged on the cover body, a second matching part is arranged on the cover plate, the first matching part and the second matching part are inserted and matched when the cover plate is connected with the cover body, so as to limit the rotation of the cover body relative to the cover plate; a plurality of first sliding grooves are arranged on the tool disc, and a plurality of tool seats are slidingly arranged in the first sliding grooves; a driving device is arranged on the tower body, and the driving device is used for driving the tool seats on the machining station to slide; a limiting ring block is rotationally arranged on the cover plate, and the limiting ring block blocks the notches of the plurality of first sliding grooves when the cover plate is connected with the cover body; when the cover plate moves away from the cover body, a space for disassembling the tool seats is formed between the cover body and the cover plate. The tool tower can protect the tool and facilitate the disassembly and assembly of the tool seats on the tool disc.

The invention relates to the technical field of tool turrets, in particular to a numerical control power tool turret which comprises a turret frame and a turret base, the turret base is connected to the turret frame in a sliding mode, the turret frame can move in the horizontal transverse and longitudinal direction, a turret body is installed on the turret base, a roller pin is arranged on the turret base corresponding to the turret frame, and an embedding groove is formed in the turret base corresponding to the roller pin. The roller pins are embedded in the embedding grooves, and the roller pins can abut against the tower in the embedding grooves. The tower base is connected to the tower frame in a sliding mode, the tower frame can move in the horizontal transverse and longitudinal direction, flexible movement of the tool turret in the horizontal transverse and longitudinal direction can be achieved, the tool turret body is installed on the tower base, machining operation is facilitated, the tower base abuts against the tower frame through the roller pin, the roller pin is embedded in the embedding groove, and the roller pin can rotate. Therefore, the friction between the original tower base and the tower frame can be converted, so that the friction between the tower base and the tower frame is reduced, the sliding of the tower base on the tower frame is smoother, and the condition that the tower base and the tower frame are damaged due to repeated friction after being used for a long time is reduced.

A grooving or part-off tool assembly for Swiss-style machining includes a holder. The holder includes a resilient normally-closed holder clamp. In a preferred embodiment the holder clamp biases a blade holding a cutting insert against a pocket side abutment surface of a holder pocket.

The invention relates to a multi-station numerical control lathe, and belongs to the technical field of numerical control lathes, the multi-station numerical control lathe comprises a lathe workbench and a plurality of multi-station power tool turrets, and further comprises a guide rail, a sliding seat, a rotating seat, a first driving part, a second driving part and a third driving part, the length direction of the guide rails is parallel to the length direction of a clamped workpiece, the guide rails correspond to the multi-station power tool turrets one to one, the multiple guide rails are located on the same side of the workpiece, the sliding seats correspond to the guide rails one to one, and the sliding seats are arranged on the corresponding guide rails in a sliding mode. The rotating seat on the guide rail close to one side of the workpiece is arranged on the corresponding sliding seat, the rotating seat on the guide rail far away from one side of the workpiece is rotationally arranged on the corresponding sliding seat in the vertical direction, and the multi-station power tool turret is arranged on the rotating seat of the corresponding guide rail in a sliding mode. The multi-station power tool turret machining device has the advantages that machining flexibility is improved, and the multiple multi-station power tool turrets are fully utilized.

The invention relates to a device for forming a spiral groove in the surface of a cylindrical object. The device comprises a machine tool clamp used for clamping and driving the cylindrical object to be machined to rotate around the axis of the cylindrical object and a tool turret used for machining the spiral groove in the surface of the cylindrical object through a cutting edge of a tool. The tool turret is provided with at least two tools with the same structure, each tool is provided with at least two blade mounting positions to machine two or more spiral grooves, and the cutting directions of the blades corresponding to the two tools are different, so that the tool turret can respectively machine the spiral grooves with opposite rotating directions by means of the two tools, the tool turret does bidirectional axial movement along the cylindrical body, can be switched to one tool to machine a spiral groove in one rotating direction in the stage of moving from the near end to the far end, and can be switched to the other tool to machine a spiral groove in the opposite rotating direction in the stage of moving from the far end to the near end. And the two spiral grooves are staggered with each other to form diamond-shaped grids on the surface of the cylindrical body.

The invention discloses a tool turret oblique insertion type rapid power head tool apron replacing mechanism and method, and relates to the technical field of machine tool machining. The mechanism comprises a base, the front face of the base is rotationally connected with a tool turret and a fixed inner seat ring, and tool aprons with tools are inserted in the periphery of the tool turret; a first fixing and locking device and a second fixing and locking device are arranged in the base and the inner seat ring, the first fixing and locking device primarily fixes the non-working tool apron, and the second fixing and locking device secondarily fixes the working tool apron. The first device comprises a first hydraulic cylinder, a push plate and a first locking plate, and is clamped with a locking cutter seat through a wedge-shaped groove; the second device comprises a second hydraulic cylinder and a second locking plate, and the second hydraulic cylinder deflects to abut against the first locking plate for reinforcement. The method comprises the steps of tool apron insertion, primary locking and detection, rotary switching and secondary locking. Through double locking and state detection, the stability of the tool apron and the tool changing efficiency are improved, the machining precision is guaranteed, and the device is suitable for automatic production.

A rotary tool (2) is specified, comprising a cutting insert (4) having at least one cutting portion (10) and a fastening portion (12), where the fastening portion (12) has a fastening surface (40), and a clamping holder (6) having a support projection (26) and a support (24), where the support projection (26) and the support (24) are configured to support the cutting portion (10) and the fastening portion (12). Wherein the fastening part (12) has a fastening part upper side (30) and a fastening part lower side (32), each of which is designed in a stepped manner in the axial direction (A), and wherein an upper side part surface (34) of the fastening part upper side (30) bears against a support projection surface (52) of the support projection (26), and an underside part surface (36, 38) of the fastening part underside (32) abuts against the support (24). A cutting insert (4) and a clamping holder (6) are also specified.

Tool (5) for machining a workpiece (4), comprising: - a tool shank (12) rotatable about a rotary axis (10), - a cutting device (13) arranged on the tool shank (12) with: - at least one pre-cutting element (14) and - at least one post-cutting element (15),- a first slide unit (8) for displacing the at least one pre-cutting element (14) relative to the tool shank (12) with -- a first output body (25) connected to the at least one pre-cutting element (14) and -- a first drive body (23) interacting with the respective first output body (25) via a first drive surface (24) and - a second slide unit (9) displaceable relative to the first slide unit (8) for displacing the at least one re-cutting element (15) relative to the tool shank (12) with -- a second output body (29) connected to the at least one re-cutting element (15) and -- a second drive body (27) interacting with the respective second output body (29) via a second drive surface (28), wherein the first drive surface (24) and the second drive surface (28) overlap each other in an orthogonal projection onto a transverse plane to the axis of rotation (10), thereby characterizedthat a maximum feed path (s1, s2) of at least two of the output bodies (25, 29) is different.

The invention provides a tool apron device for turning tool chip breaking and a control method, and relates to the technical field of machining. The tool apron device for turning tool chip breaking comprises a tool turret body, an X-direction chip breaking tool apron used for X-direction vibration or a Z-direction chip breaking tool apron used for Z-direction vibration is selectively arranged at the bottom of the tool turret body, and the X-direction chip breaking tool apron and the Z-direction chip breaking tool apron are installed at the same position of the tool turret body through bolts. According to the turning tool chip breaking tool apron device and the control method, high-frequency reciprocating vibration needed by chip breaking is completely limited in an independent chip breaking tool apron and is achieved by a servo motor of a tool turret through a mechanism in the tool apron, an X-axis lead screw, a Z-axis lead screw and a guide rail of a machine tool do not participate in chip breaking motion any more, only normal main cutting feeding is executed, and the working efficiency is greatly improved. Abnormal abrasion caused by the chip breaking function is fundamentally eliminated, the precision retention period and the service life of a machine tool are greatly prolonged, and the maintenance cost is reduced.

A cutting tool has a shaft portion and a sensor portion configured to surround a part of the length direction of the shaft portion. The sensor portion includes a sensor module including a plurality of first sensors that detect a first physical quantity of the shaft portion, a substrate electrically connected to the first sensors, and a wireless communication portion electrically connected to the substrate and that transmits a signal including information of the first physical quantity detected by the first sensors to the outside, and a housing that accommodates the sensor module. The region of the shaft portion surrounded by the sensor portion includes a first region that is a 4n-sided polygon when viewed in the direction along the rotation axis. The above n is a natural number of 2 or more. When viewed in the direction along the rotation axis, the plurality of first sensors are disposed on at least two faces of the outer peripheral surface of the first region that are 90° to each other by a perpendicular line of the rotation axis among each face of the outer peripheral surface of the first region corresponding to each side of the 4n-sided polygon.

The invention discloses a turning and milling device for a turning and grinding finish machining compound machine tool and the turning and grinding compound machine tool, and particularly relates to the technical field of metal machining, the turning and milling device comprises a turning and milling cutter tower and a cutter holder, a sliding seat used for fixing a turning tool is connected to the cutter holder, and a pre-tightening mechanism used for pushing the sliding seat to move towards one side of a workpiece is connected to one side of the cutter holder; the mounting base and the locking device are used for rigidly supporting the sliding seat; the tool retracting mechanism comprises a locking device and a traction cable, when the turning tool vibrates violently, the traction cable pulls the locking device, the locking device can act on the mounting base, so that the locking device loses rigid support on the sliding base, and meanwhile, the sliding base drives the turning tool to retract. And the locking device is pulled, so that the locking device can instantly respond and withdraw the tool for avoiding, and chain accidents such as tool tipping, workpiece scrapping and damage to core parts of a machine tool are fundamentally avoided.

The utility model discloses a numerical control machine tool servo power tool turret which comprises a driving motor, the output end of the driving motor is in transmission connection with a driving shaft, the tail end of the driving shaft is axially provided with a mounting groove, a connecting shaft is movably inserted in the mounting groove, the tail end of the connecting shaft is fixedly connected with a cutter head, an inserting groove is horizontally formed in the center of the connecting shaft, and an inserting block is movably connected in the inserting groove. The inserting block is fixed in the mounting groove, the top surface of the inserting block is movably connected with a locking piece, a plurality of grooves matched with the locking piece are horizontally formed in the inner side of the connecting shaft, and the locking piece is movably connected in two symmetrical grooves. The cutterhead is connected into the mounting groove in the driving shaft through the connecting shaft, and the locking piece connected with the connecting shaft is movably connected into the mounting groove, so that the cutterhead and the driving motor are convenient to disassemble and assemble, and the damaged cutterhead is convenient to disassemble and maintain.

In a cutting tool having an indexable cutting insert (20) with exactly four cutting portions (26), the cutting insert is removably securable to an insert holder by a fastener. The cutting insert (20) has two opposing end surfaces (22) with a peripheral side surface (24) extending therebetween, and each cutting portion (26) has a major cutting edge (28) formed by the intersection of a rake surface (30) and a relief surface (32). The peripheral side surface (24) has first and second pairs of opposing side surfaces (34, 36) which include the four relief surfaces (32) and the four rake surfaces (30), respectively. In an end view, four cutting points on the four major cutting edges (28) define the transitions between the first and second pairs of opposing side surfaces (34, 36), and a minimum first length dimension between the second pair of opposing side surfaces (36) is less than six-tenths of a minimum second length dimension between two of the four cutting points.

The application relates to a high-precision end face inner groove automatic machining equipment for a contact seat, comprising a machine tool body, a chuck clamp, an X-Y axis driving platform, a tool tower assembly and a liquid spraying assembly, the chuck clamp is rotationally arranged on the machine tool body and used for clamping the contact seat, the tool tower assembly comprises a tool tower body, a driving member one, a plurality of cutters and a cutting assembly, the tool tower body is provided with a plurality of mounting columns, and the plurality of cutters are fixedly arranged on the mounting columns; the cutting assembly is provided with a cutting knife movably assembled on the mounting column, one end of the mounting column is formed with an edge, and the cutting end of the cutting knife is in shearing cooperation with the edge. The cutting assembly can cut off the continuous aluminum wire scraps generated in the machining process in real time, so that the aluminum scraps are prevented from winding around the mounting column or scratching the inner wall of the contact seat, thereby guaranteeing the size precision and surface smoothness of the inner hole groove. The liquid spraying assembly sprays cutting fluid to the machining area synchronously, further cools the cutters, washes away the cutting scraps, and improves the machining quality and the service life of the cutters.

The utility model discloses a kind of thin-walled cylindrical workpiece processing units, including bed body (1), it is characterized by: the bed body (1) is provided with main shaft mechanism, material receiving mechanism, tail top mechanism, double-tool tower mechanism and chip removal mechanism, the main shaft mechanism includes rotationally supported on bed body (1) main shaft (2), through-hole pull rod (3) is provided in main shaft (2), clamping jaw (4) is provided at the end of main shaft (2), while the main shaft (2) is connected with the output end of main shaft motor (6) by belt pulley transmission pair (5), one end of the through-hole pull rod (3) is connected with the working end of oil cylinder (7), chip removal hole (8) matched with through-hole pull rod (3) is opened on the oil cylinder (7), and the oil cylinder (7) is also set on bed body (1).

The present invention provides a turret-type tool post capable of mounting multiple tools, which is capable of reliably collecting chips, and a machine tool equipped with such a tool post. [Solution] The tool post comprises a swivel body (60) that is rotatable around the swivel body (110), having a plurality of mounting parts (61) arranged in the circumferential direction of the swivel central axis (110) and each capable of mounting a tool holder, and consisting of a cylindrical body centered on the swivel central axis (110), a plurality of first pipes (310) provided on the swivel body (60) and arranged at intervals from each other in the circumferential direction of the swivel central axis (110) for sucking up chips, a second pipe (320) provided inside the swivel body (60), and a connection mechanism (90) that selectively connects the second pipe (320) to one of the plurality of first pipes (310).

Provided are a tool holder to which a plurality of cutting tools can be attached and which can suppress the occurrence of interference between the cutting tools and a workpiece, and a machine tool.　A tool holder according to the present disclosure can be attached to a rotating tool post. The tool holder comprises: a first attachment portion to which a first cutting tool is attached, and which is provided on one side in a Z-axis direction parallel to the axis of rotation of the tool post in a state in which the tool holder is attached to the tool post; and a second attachment portion to which a second cutting tool is attached and which is provided on the other side in the Z-axis direction. The tool holder 23 holds the first cutting tool at a position offset from the second cutting tool in a Y-axis direction orthogonal to the Z-axis direction.

The utility model discloses a knife pouch capable of adjusting the machining range of a damping knife, which comprises a knife pouch body, the knife pouch body comprises an adjusting part used for being connected with a knife and a fixing part used for being connected with a knife holder, the adjusting part is provided with a placing hole used for placing the knife and is detachably connected with the knife, and the fixing part is connected with the knife holder. The center line of the containing hole and the center line of the cutter sleeve body are not collinear, so that the wall thickness of the adjusting part is different in the circumferential direction, and the highest point of the thinnest position of the wall thickness of the adjusting part is lower than a cutter point of a cutter. According to the cutter sleeve capable of enabling the machining range of the damping cutter to be adjustable, the machining range of the damping cutter can be effectively widened, and machining cost is saved while machining precision is guaranteed.

This invention discloses a cooling system for high and low pressure cooling of CNC servo tool holders, relating to the field of CNC machine tool cooling technology. It includes a sealing joint and cooling channels. The sealing joint comprises a fixed side fixedly installed on the top of the tool holder and a rotating side disposed on the high-pressure cooling tool position of the tool disc. The fixed side of the joint is configured with a double-seal structure. The cooling channels include low-pressure cooling channels and high-pressure cooling channels. Each tool position on the tool disc corresponds to a set of low-pressure or high-pressure cooling channels. A sealing plane is provided on the top of the tool disc. Both the low-pressure and high-pressure cooling channels include vertical cooling holes perpendicular to the sealing plane. The rotating side of the joint on the high-pressure cooling tool position is disposed within the corresponding vertical cooling hole. The structure proposed in this invention makes the use of CNC tool holders more flexible, satisfying both high and low pressure cooling compatibility and adapting well to changes in internally cooled tools, while reducing overall economic costs.

The utility model discloses a lathe cutting assembly, which comprises a slide carriage box and a cutter fixing part, the slide carriage box is arranged on a lathe slide rail, the cutter fixing part is arranged on the top surface of the slide carriage box, the cutter fixing part comprises a fixing base arranged on the top surface of the slide carriage box, a two-way screw rod is rotatably arranged in the fixing base, and the two-way screw rod is arranged on the top surface of the slide carriage box. Two sliding clamping blocks are arranged on the top surface of the fixed base, the two sliding clamping blocks are in threaded connection with the two-way screw rod, a fixed frame is arranged on the top surface of the fixed base, and a cutter is fixed in the fixed frame. By arranging the cutter fixing part, when a cutter is fixed, the two sliding clamping blocks are driven to slide and move at the top end of the fixing base through rotation of the two-way lead screw, so that the two sides of the cutter are clamped and fixed, and then the cutter is secondarily fixed through the threaded rod arranged on the fixing frame; and the cutter can be stably fixed to the fixed base, and the situation that the cutter is loosened in the turning process is prevented.

The invention relates to a workpiece locator (10) comprising a support body (11) with which the workpiece locator (10) can be attached to a tool head (3). The workpiece locator (10) has a holding body (12) that is movable with one degree of rotational freedom (15) relative to the support body (11). Furthermore, the workpiece locator (10) has a positioning body (14) that has a receptacle (56) for a workpiece to be machined. The positioning body (14) is movable with a further degree of rotational freedom (20) relative to the holding body (12). In this way, the operation of the workpiece locator (10) can be simplified and / or a multifunctional workpiece locator (10) can be provided. It is also possible that at least two other degrees of freedom (17, 18) are provided between the support body (11) and the positioning body (14).

The utility model discloses a high-rigidity half-moon groove tool rest unit of a combined lathe and the combined lathe, belongs to the technical field of numerical control combined lathes, and solves the problems that a traditional linear guide rail feeding structure is large in occupied space, poor in rigidity and unstable in machining quality. The tool rest unit comprises a tool rest body, and a guide groove is formed in the circumferential face of the tool rest body and axially penetrates through the tool rest body. A sliding groove plate matched with the guide groove is arranged in the guide groove. The sliding groove plate is shorter than the guide groove and used for bearing a cutter. And the section of the guide groove is half-moon-shaped. Limiting plates are installed on the portions, on the two sides of a groove opening of the guide groove, of the tool rest body respectively, and the limiting plates are pressed on the sliding groove plates so as to limit movement of the sliding groove plates in the radial direction. Due to the fact that the sliding groove and the sliding groove plate are arranged on the peripheral face of the tool rest body, occupied space is reduced, and rigidity and transmission efficiency of the whole structure are improved. The tool rest unit is matched with a narrow space scene of a multi-spindle lathe, and the machining requirements of high precision and high efficiency are met.

There is provided a combined processing machine including: a first workpiece main spindle device and a second workpiece main spindle device including a main spindle stand configured to rotatably hold a main spindle about an axis; a first turret device and a second turret device including a turret configured to attach multiple turret tools disposed above the first workpiece main spindle device and the second workpiece main spindle device; a tool main spindle device disposed between the first turret device and the second turret device and including a main spindle head configured to exchangeably and rotatably hold a main spindle head tool; and two separation shutters configured to partition between the first turret device and the second turret device, on both sides of the tool main spindle device in a width direction.

The utility model discloses a differential shell inner side end face finish turning tool, which is characterized by comprising a tool bar and a blade, the tool bar comprises a mounting part, an eccentric rod part and a clamping part which are connected in sequence, the blade is embedded at one end of the mounting part and is locked on the mounting part through a screw, and the eccentric rod part is connected with the clamping part. And a positive 2-degree or negative 2-degree angle is formed between the front cutting edge of the blade and the axis direction of the cutter bar. The cutter has the advantages of being simple in structure, high in cutter structural strength, good in anti-vibration capacity and beneficial to improving machining precision.

A multi-part modular tool rotatable about a longitudinal tool axis (A), comprising: a machining head; a first holding element comprising a body elongated along the longitudinal axis (A) of the tool, in which a passage extends along the longitudinal axis (A) of the tool; a second holding element which can extend in the passage of the first holding element; wherein the machining head can be connected to the second holding element in such a way that the machining head is fixed firmly to the first holding element at least in the axial direction (A) and / or in the radial direction (R), and wherein the passage of the first holding element and the second holding element are adapted to one another such that during a connection process in which the machining head is connected to the second holding element, the second holding element is movable relative to the first holding element.

The utility model belongs to the technical field of power tool turrets, and particularly relates to a numerical control machine tool slant bed power tool turret turning and milling composite machine tool which comprises a numerical control turning and milling composite machine tool body, a power tool turret is arranged on the inner wall of the numerical control turning and milling composite machine tool body, and a motor installation groove is formed in the inner wall of the power tool turret. Servo motors are installed on the inner wall of the power tool turret, one servo motor is installed on the inner wall of the motor installation groove, a thermal shrinkage tool handle is installed at the output end of the servo motor, and a tool bit is movably connected to the inner wall of the thermal shrinkage tool handle. By arranging the thermal shrinkage cutter handle and utilizing the principle of thermal expansion and cold contraction, the cutter head is installed during heating and tightly held after cooling, vibration transmission can be reduced, the machining precision can be improved, errors can be automatically compensated, the coaxiality is ensured, the service life of the cutter head is prolonged, the surface quality is improved, the clamping force is higher, the cutter head can be effectively prevented from loosening, and the machining yield of fragile materials is improved.

This invention discloses a special cutting tool and machining method for removing welded stops within the confined space of an aero-engine. The special cutting tool includes a tool holder and a cutting plate. The head of the tool holder has a spindle interface for connection to a machine tool spindle. The cutting plate is generally flat, with a cutting edge at its end for removing the welded stop. The tool holder and cutting plate are connected by a connecting mechanism, and the connected tool holder and cutting plate are L-shaped. The machining method adopts a "separate, internally connected" design concept, cleverly solving the problem of the tool being unable to enter the ultra-narrow inlet deep cavity.

The invention discloses a hub turning and drilling composite machine tool and a machining method and system. The machine tool comprises a machine tool body, a workpiece spindle mechanism and a right machining device. The right machining device is provided with a right tool turret mechanism, the rotating axis of a right cutter head of the right tool turret mechanism is perpendicular to the axis of the workpiece spindle, and a valve hole machining assembly is integrally installed on the cutter head and comprises a transposition support, a valve hole front face drill and a valve hole indenting drill. The right cutter head is rotated to adapt to valve hole machining angles of different hubs, and a valve hole indenting drill is adopted to conduct drilling type indenting machining from the inner sides of the hubs. According to the machining method, the second-order machining and the third-order machining of the hub are combined, turning of an outer spoke, a dead head and an outer rim and drilling of a bolt hole and a valve hole are sequentially completed on one machine tool, the problems that in traditional machining, tools need to be customized due to variable angles, and the stability of indenting machining is poor are solved, and the machining method has the advantages of being high in machining flexibility, good in precision, high in efficiency and low in cost.