阅读说明：本技术 一种涡轮榫槽超声辅助精密电解磨削加工系统及方法 (A kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system and method ) 是由 葛永成 朱永伟 孙小光 于 2019-09-05 设计创作，主要内容包括：一种涡轮榫槽超声辅助精密电解磨削加工系统及方法,属于电解磨削复合加工技术领域,本发明在电解磨削加工涡轮榫槽结构过程中,增加了多维超声振动作用,改善间隙内工作液流场、降低工具磨轮损耗,实现涡轮榫槽结构的高质量、低成本加工；构建了超声辅助精密电解磨削加工系统,通过控制计算机调控多维超声的各向振动,实现工具磨轮进给方向随动式的超声振动作用,并使其与电解加工脉冲电源参数相耦合,保障了加工过程的平稳性,为电解磨削加工技术在涡轮榫槽结构加工过程中的推广和应用提供可靠保障；本发明通过更换不同结构的工具磨轮和工作液喷嘴,可适用于不同型号涡轮榫槽结构的精密加工。(A kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system and method, belong to electrochemical grinding Combined Machining Technology field, the present invention is during electrochemical grinding processes turbine tenon groove structure, increase multi-dimensional ultrasound effect of vibration, improve working solution flow field in gap, reduce the loss of tool emery wheel, realizes high quality, the low cost processing of turbine tenon groove structure；Construct ultrasonic wave added precision ECM grinding system, pass through each to vibration of control computer regulating multi-dimensional ultrasound, the ultrasonic vibration of implementation tool emery wheel direction of feed trailing type acts on, and it is made to be coupled with Electrolyzed Processing pulse power parameters, it has ensured the stationarity of process, provides reliable guarantee for promotion and application of the electrochemical grinding processing technology in turbine tenon groove structure process；The present invention is applicable to the Precision Machining of different model turbine tenon groove structure by the tool emery wheel and work nozzle for liquid of replacement different structure.)

1. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, including turbine disk semi-finished product (1), tool emery wheel (2)；It is characterized in that, the system of processing also by gang tool movement mechanism and drive system, multi-dimensional ultrasound coordinate vibration and Micro-displacement detection system, the power supply of electrochemical grinding Compound Machining and electrical parameters detection system, working solution circulating system composition；

The gang tool movement mechanism and drive system are by A axis rotating mechanism (4), X-axis feed mechanism (5), Z axis feed mechanism (6), C axis rotating mechanism (20), kinematic driving unit (7), CNC controller (8), control computer (10) connect and compose；It is described Movement instruction is transferred to the kinematic driving unit (7) by control computer (10), then simultaneously by the kinematic driving unit (7) A axis rotating mechanism (4), X-axis feed mechanism (5) and Z axis feed mechanism (6) are driven, so that tool emery wheel (2) high speed be made to revolve While turning, fed along the fluting direction of turbine disk semi-finished product (1)；

The multi-dimensional ultrasound is coordinated vibration and micro-displacement detection system and is calculated by amplitude transformer (3), micro-displacement sensor (9), control Machine (10), supersonic generator (11), multi-dimensional ultrasound vibration unit (12) connect and compose；The control computer (10) will be vibrated Instruction is transferred to supersonic generator (11) and controls the multi-dimensional ultrasound vibration unit (12), then is shaken by the control multi-dimensional ultrasound Moving cell (12) drives the amplitude transformer (3), so that the tool emery wheel (2) be made to make high-frequency vibration in its direction of feed；

Electrochemical grinding Compound Machining power supply and electrical parameters detection system are by micro-displacement sensor (9), the pulse power (13), same Step chopper circuit (14), electrical parameter acquisition device (15), control computer (10) connect and compose；The electrochemical grinding Compound Machining Power supply and electrical parameters detection system are that adjustable Electrolyzed Processing is stablized in the tool emery wheel (2) and turbine disk semi-finished product (1) offer Parameter；Micro-displacement sensor (9) the detection ultrasonic vibration signal is transferred to the control computer (10), controls computer (10) using ultrasonic vibration signal as the output parameter of the control Signal Regulation pulse power (13)；Meanwhile micro-displacement sensor (9) It will test ultrasonic vibration signal and be conveyed to synchronous chopper circuit (14), it is ensured that the electrochemical grinding Compound Machining power supply and electrical parameter The output electrical parameter of detection system and the multi-dimensional ultrasound coordinate vibration and the output ultrasound parameter of micro-displacement detection system is coordinated It is synchronous；

The working solution circulating system connects structure by electrolytic bath (16), pump (17), pressure regulator valve (18), work nozzle for liquid (19) At；The working solution circulating system continues adding to tool emery wheel (2) and turbine disk semi-finished product (1) by work nozzle for liquid (19) The working solution of high-voltage high-speed is provided in break gap.

2. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system according to claim 1, it is characterised in that: The tool emery wheel (2) is conductive metal bonded wheel, and the planform of tool emery wheel (2) and turbine tongue-and-groove profile Unanimously.

3. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system according to claim 1, it is characterised in that: The gang tool movement mechanism and drive system drive tool emery wheel (2) high speed rotation, and formed along semifinishing Bell slot or the feeding of imitative fir tree shape slot direction.

4. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system according to claim 1, it is characterised in that: The multi-dimensional ultrasound coordinates vibration and micro-displacement detection system is that the tool emery wheel (2) provides the ultrasound in its direction of feed Vibration, and amplitude, frequency are controllable.

5. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system according to claim 1, it is characterised in that: The electrochemical grinding Compound Machining power supply and electrical parameters detection system are that the tool emery wheel (2) and turbine disk semi-finished product (1) mention For stablizing adjustable Electrolyzed Processing parameter, and between pulsewidth and arteries and veins, Electrolyzed Processing parameter can be coupled with ultrasonic vibration parameter synchronization.

6. a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding processing method, it is characterised in that: use claim 1-5 institute The turbine tongue-and-groove ultrasonic wave added precision ECM grinding system stated, includes the following steps:

(1) working solution circulating system is opened, which stablizes input high pressure, height by work nozzle for liquid (19) into machining area The treatment fluid flow of speed；

(2) it opens multi-dimensional ultrasound and coordinates vibration and micro-displacement detection system, which provides to tool emery wheel (2) stablizes, is adjustable High frequency ultrasound vibration, control computer (10) by micro-displacement sensor (9) detection and monitoring tools emery wheel (2) vibration ginseng Number；The high-frequency vibration of tool emery wheel (2) also promotes the working solution in processing gap to timely update, and ensures that whole process is steady It is fixed reliable；

(3) it opens the power supply of electrochemical grinding Compound Machining and electrical parameters detection system, the system can be tool emery wheel (2) and the turbine disk Adjustable Electrolyzed Processing parameter is stablized in semi-finished product (1) offer, and Electrolyzed Processing parameter can be with ultrasonic vibration parameter between pulsewidth and arteries and veins Collaboration synchronizes, and ensures that electrolytic etching process and mechanical grinding process are orderly carried out by necessary requirement, realizes turbine tenon groove structure High quality processing；

(4) gang tool movement mechanism and drive system are opened, the system drive tool emery wheel (2) is from turbine disk semi-finished product (1) Upper end incision, and fed along the fluting direction of turbine disk semi-finished product (1), until cut out completely from turbine disk semi-finished product (1) lower end, Complete the Precision Machining of single tongue-and-groove；

(5) after a tenon groove structure complete machining, tool emery wheel (2) are adjusted by gang tool movement mechanism and drive system To initial position, and turbine disk semi-finished product (1) is made to carry out rotary index, starts the process of next tenon groove structure, work as whirlpool All notching constructions are all processed into the fir-shaped mortise structure of requirement by tool emery wheel (2) on wheel disc semi-finished product (1), i.e. completion whirlpool The processing of wheel disc whole tenon groove structure.

Technical field

The invention belongs to electrochemical grinding Compound Machining field, be related to a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding plus Work system and method particularly relates to a kind of utilize and controls each to vibration and Electrolyzed Processing of computer regulating multi-dimensional ultrasound Pulse power parameters are coupled, to realize the system of processing and method of the high quality and low cost of turbine tenon groove structure.

Background technique

In split type turbine rotor, blade with the turbine disk is connected by mortise structure, wherein turbine disk upper tenon groove Dimensional tolerance, the Geometrical Tolerance Principle of structure are very high, bring great challenge to processing and manufacturing process.Turbine tenon groove structure Machining process is complicated, and usually after completing preliminary fluting, also to carry out corresponding Roughing and fine machining can be only achieved the turbine disk The process requirements of tenon groove structure.Conventional machining process, such as milling, broaching, grinding, all exist the shape of tool it is complicated, Cutter is rigidly small and easy loss, the problems such as cost of charp tool is high.Using electrical spark working working hour, processing efficiency is low, and is easy in work Part surface generates re cast layer and heat affected area, influences the service life of workpiece.

Electrochemical grinding is a kind of Combined Machining Technology for combining electrolysis and ablation, in process, is led to Frequently with conductive abrasive wheel as tool cathode, the Compound Machining effect removal workpiece of Anodic dissolution and mechanical grinding is utilized Material not only avoids the problems such as mechanical grinding processing medium plain emery wheel abrasion, grinding heat, and greatly improves processing efficiency.It is aobvious So, electrochemical grinding technology has biggish application potential in the process of turbine tenon groove structure.

But tool grinding wheel used in traditional electrochemical grinding process is usually very big, and diameter is generally 150-250 mm.Turbine tenon groove structure size is smaller and cross sectional shape is complicated, is unable to satisfy process requirements using large grinding, and uses small Diameter follows an example grinding wheel when being processed, and working solution can not be successfully inflow processing gap, and abrasion of grinding wheel, grinding heat is led to problems such as to add Play, or even cause short circuit phenomenon, damage tool emery wheel and anode workpiece.The problem seriously constrains electrochemical grinding processing technology and exists Promotion and application in turbine tongue-and-groove process.

Summary of the invention

The purpose of the present invention is against the shortcomings and deficiencies of the above prior art, propose a kind of turbine tongue-and-groove ultrasonic wave added essence Cipher telegram solution grinding system and method, by the amplitude of micro-displacement sensor real-time detection tool emery wheel in feed direction, Adjust the power supply parameter of the pulse power, realize ultrasonic vibration to the regulating and controlling effect of electrochemical grinding Compound Machining turbine tenon groove structure, To achieving the purpose that ultrasonic wave added precision ECM grinding turbine tongue-and-groove, can real turbine show the high quality, low of tenon groove structure Cost processing.

The technical scheme is that a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, including turbine Disk semi-finished product, tool emery wheel；It is characterized in that, the system of processing is also by gang tool movement mechanism and drive system, multidimensional Ultrasound coordinates vibration and micro-displacement detection system, the power supply of electrochemical grinding Compound Machining and electrical parameters detection system, working solution circulation System composition；

The gang tool movement mechanism and drive system are revolved by A axis rotating mechanism, X-axis feed mechanism, Z axis feed mechanism, C axis Rotation mechanism, kinematic driving unit, CNC controller, control computer connect and compose；The control computer transmits movement instruction To the kinematic driving unit, then by the kinematic driving unit simultaneously drive A axis rotating mechanism, X-axis feed mechanism and Z axis into To mechanism, to keep the tool emery wheel high-speed rotating simultaneously, fed along the fluting direction of turbine disk semi-finished product；

The multi-dimensional ultrasound coordinates vibration and micro-displacement detection system by amplitude transformer, micro-displacement sensor, control computer, ultrasound Wave producer, multi-dimensional ultrasound vibration unit connect and compose；Vibration instruction is transferred to supersonic generator by the control computer The multi-dimensional ultrasound vibration unit is controlled, then the amplitude transformer is driven by the control multi-dimensional ultrasound vibration unit, to make institute It states tool emery wheel and makees high-frequency vibration in its direction of feed；

The electrochemical grinding Compound Machining power supply and electrical parameters detection system are by micro-displacement sensor, the pulse power, synchronous copped wave Circuit, electrical parameter acquisition device, control computer connect and compose；The electrochemical grinding Compound Machining power supply and electrical parameters detection system System provides for the tool emery wheel and turbine disk semi-finished product and stablizes adjustable Electrolyzed Processing parameter；The micro-displacement sensor detection Ultrasonic vibration signal is transferred to the control computer, and control computer is using ultrasonic vibration signal as control Signal Regulation pulse The output parameter of power supply, micro-displacement sensor will test ultrasonic vibration signal and be conveyed to synchronous chopper circuit, it is ensured that the electrolysis The output electrical parameter and the multi-dimensional ultrasound for being ground Compound Machining power supply and electrical parameters detection system coordinate vibration and micro-displacement is examined The output ultrasound parameter coordinate synchronization of examining system；

The working solution circulating system is connected and composed by electrolytic bath, pump, pressure regulator valve, work nozzle for liquid；The working solution circulation System continues to provide the work of high-voltage high-speed into the processing gap of tool emery wheel and turbine disk semi-finished product by work nozzle for liquid Liquid.

The tool emery wheel is conductive metal bonded wheel, and the planform of tool emery wheel and turbine tongue-and-groove wheel It is wide consistent.

The gang tool movement mechanism and drive system drive the tool emery wheel high speed rotation, and along semifinishing shape At bell slot or fir tree shape slot direction feeding.

The multi-dimensional ultrasound coordinates vibration and micro-displacement detection system provides for the tool emery wheel along its feeding side Upward ultrasonic vibration, and amplitude, frequency are controllable.

The electrochemical grinding Compound Machining power supply and electrical parameters detection system are the tool emery wheel and turbine disk semi-finished product Adjustable Electrolyzed Processing parameter is stablized in offer, and Electrolyzed Processing parameter can be coupled with ultrasonic vibration parameter synchronization between pulsewidth and arteries and veins.

A kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding processing method, includes the following steps:

(1) working solution circulating system is opened, which stablizes input high pressure, height by work nozzle for liquid into machining area The treatment fluid flow of speed；

(2) it opens the multi-dimensional ultrasound and coordinates vibration and micro-displacement detection system, which provides steady to the tool emery wheel (2) Fixed, adjustable high frequency ultrasound vibration, control computer are detected by micro-displacement sensor and monitor the vibration of the tool emery wheel Parameter；The high-frequency vibration of the tool emery wheel also promotes the working solution in processing gap to timely update, ensures whole process It is reliable and stable；

(3) it opens the electrochemical grinding Compound Machining power supply and electrical parameters detection system, the system can be tool emery wheel and turbine Adjustable Electrolyzed Processing parameter is stablized in the offer of disk semi-finished product, and Electrolyzed Processing parameter can be assisted with ultrasonic vibration parameter between pulsewidth and arteries and veins With synchronizing, ensures that electrolytic etching process and mechanical grinding process are orderly carried out by necessary requirement, realize the height of turbine tenon groove structure Quality processing；

(4) open the gang tool movement mechanism and drive system, tool emery wheel described in the system drive from the turbine disk half at The incision of product upper end, and fed along the fluting direction of turbine disk semi-finished product, until being cut out completely from turbine disk semi-finished product lower end, complete The Precision Machining of single turbine tongue-and-groove；

(5) after a tenon groove structure complete machining, tool grinder is adjusted by the gang tool movement mechanism and drive system It takes turns to initial position, and turbine disk semi-finished product is made to carry out rotary index, start the process of next tenon groove structure.Work as turbine All notching constructions are all processed into fir-shaped mortise structure by tool emery wheel on disk semi-finished product, i.e. completion turbine disk whole tongue-and-groove knot Structure processing.

The invention has the benefit that a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system proposed by the present invention System and method, system composition is novel, processing method clear principle, including the movement of turbine disk semi-finished product, tool emery wheel, gang tool And drive system, multi-dimensional ultrasound coordinate vibration and micro-displacement detection system, the power supply of electrochemical grinding Compound Machining and electrical parameters detection System, working solution circulating system, tool wheel structure shape is consistent with turbine tongue-and-groove profile, the lateral incision from the turbine disk of tool emery wheel Enter, the bell slot formed along semifinishing or fir tree shape slot direction are fed, until fir-shaped mortise structure completes the process；Work Nozzle for liquid is similar to the section of semifinishing profile, from lower side to machining area fliud flushing；Control the vibration of computer regulated multi-dimensional ultrasound Dynamic system, keeps its resultant vibration direction consistent with the direction of feed of tool emery wheel, and passes through micro-displacement sensor real-time detection work Has the amplitude of emery wheel in feed direction；Computer regulated electrochemical grinding Compound Machining current supply circuit is controlled, is adopted by electrical parameter Acquisition means monitor machining voltage and current signal；Chopper circuit is accessed in electrochemical grinding Compound Machining current supply circuit, with tool Emery wheel is control signal in the amplitude of direction of feed, adjusts the power supply parameter of the pulse power, realizes ultrasonic vibration to electrochemical grinding The regulating and controlling effect of Compound Machining turbine tenon groove structure, to reach the mesh of ultrasonic wave added precision ECM grinding turbine tongue-and-groove 's.The present invention is compared with conventional electrolysis Grinding Technology, during the present invention is using electrochemical grinding processing turbine tenon groove structure, Multi-dimensional ultrasound effect of vibration is increased, improves working solution flow field in gap, reduce the loss of tool emery wheel, realize turbine tenon groove structure High quality, low cost processing；Ultrasonic wave added precision ECM grinding system is constructed, by controlling computer regulating multidimensional Ultrasonic is each to vibration, and the ultrasonic vibration of implementation tool emery wheel direction of feed trailing type acts on, and makes itself and Electrolyzed Processing pulse Power parameter is coupled, and has ensured the stationarity of process, is that electrochemical grinding processing technology is processed in turbine tenon groove structure Promotion and application in journey provide reliable guarantee；The present invention, can by the tool emery wheel and work nozzle for liquid of replacement different structure Precision Machining suitable for different model turbine tenon groove structure.

Detailed description of the invention

Fig. 1 is turbine tenon groove structure ultrasonic wave added precision ECM grinding system of the present invention and method schematic diagram.

In figure: turbine disk semi-finished product 1, tool emery wheel 2, amplitude transformer 3, A axis rotating mechanism 4, X-axis feed mechanism 5, Z axis into To mechanism 6, kinematic driving unit 7, CNC controller 8, micro-displacement sensor 9, control computer 10, supersonic generator 11, more Tie up ultrasonic oscillating unit 12, the pulse power 13, synchronous chopper circuit 14, electrical parameter acquisition device 15, electrolytic bath 16, pump 17, Pressure regulator valve 18, work nozzle for liquid 19, C axis rotating mechanism 20.

Specific embodiment

The present invention will be further explained below with reference to the attached drawings:

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, including turbine disk semi-finished product 1, tool Emery wheel 2, gang tool movement mechanism and drive system, multi-dimensional ultrasound coordinate vibration and micro-displacement detection system, electrochemical grinding are multiple Close processing power supply and electrical parameters detection system, working solution circulating system composition；Gang tool movement mechanism and drive system are by A axis Rotating mechanism 4, X-axis feed mechanism 5, Z axis feed mechanism 6, C axis rotating mechanism 20, kinematic driving unit 7, CNC controller 8, control Computer 10 processed connects and composes；It controls computer 10 and movement instruction is transferred to kinematic driving unit 7, then by kinematic driving unit 7 drive A axis rotating mechanism 4, X-axis feed mechanism 5 and Z axis feed mechanism 6 simultaneously, to keep tool emery wheel 2 high-speed rotating same When, it is fed along the fluting direction of turbine disk semi-finished product 1.

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, multi-dimensional ultrasound coordinate vibration and Micro-displacement detection system is shaken by amplitude transformer 3, micro-displacement sensor 9, control computer 10, supersonic generator 11, multi-dimensional ultrasound Moving cell 12 connects and composes；It controls computer 10 and vibration instruction is transferred to the control multi-dimensional ultrasound vibration list of supersonic generator 11 Member 12, then amplitude transformer 3 is driven by control multi-dimensional ultrasound vibration unit 12, so that tool emery wheel 2 be made to make height in its direction of feed Frequency vibration.

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, electrochemical grinding Compound Machining is supplied Electricity and electrical parameters detection system by micro-displacement sensor 9, the pulse power 13, synchronous chopper circuit 14, electrical parameter acquisition device 15, Control computer 10 connects and composes；The power supply of electrochemical grinding Compound Machining and electrical parameters detection system are tool emery wheel 2 and the turbine disk Adjustable Electrolyzed Processing parameter is stablized in the offer of semi-finished product 1；Micro-displacement sensor 9 detects ultrasonic vibration signal and is transferred to control calculating Machine 10, using ultrasonic vibration signal as the output parameter of the control Signal Regulation pulse power 13, micro-displacement passes control computer 10 Sensor 9 will test ultrasonic vibration signal and be conveyed to synchronous chopper circuit 14, it is ensured that the power supply of electrochemical grinding Compound Machining and electrical parameter The output electrical parameter and multi-dimensional ultrasound of detection system coordinate the output ultrasound parameter coordinate synchronization of vibration and micro-displacement detection system.

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, working solution circulating system is by electricity Solution liquid bath 16, pump 17, pressure regulator valve 18, work nozzle for liquid 19 connect and compose；Working solution circulating system is held by work nozzle for liquid 19 Continue and provides the working solution of high-voltage high-speed into the processing gap of tool emery wheel 2 and turbine disk semi-finished product 1.

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding system, tool emery wheel 2 is electrically conductive Metal bonded wheel, and the planform of tool emery wheel 2 is consistent with turbine tongue-and-groove profile；Gang tool movement mechanism and drive 2 high speed rotation of tool emery wheel described in dynamic system drive, and bell slot or the feeding of fir tree shape slot direction along semifinishing formation；It is more Dimension ultrasound coordinates vibration and micro-displacement detection system is that tool emery wheel 2 provides the ultrasonic vibration in its direction of feed, and amplitude, Frequency is controllable；The power supply of electrochemical grinding Compound Machining and electrical parameters detection system are that tool emery wheel 2 and turbine disk semi-finished product 1 mention For stablizing adjustable Electrolyzed Processing parameter, and between pulsewidth and arteries and veins, Electrolyzed Processing parameter can be coupled with ultrasonic vibration parameter synchronization.

As shown in Figure 1, a kind of turbine tongue-and-groove ultrasonic wave added precision ECM grinding processing method, includes the following steps:

(1) working solution circulating system is opened, which stablizes input high pressure, high speed by work nozzle for liquid 19 into machining area Treatment fluid flow；

(2) it opens multi-dimensional ultrasound and coordinates vibration and micro-displacement detection system, which provides to tool emery wheel 2 stablizes, is adjustable High frequency ultrasound vibration, control computer 10 pass through the detection of micro-displacement sensor 9 and the vibration parameters of monitoring tools emery wheel 2；Tool The high-frequency vibration of emery wheel 2 also promotes the working solution in processing gap to timely update, and ensures that whole process is reliable and stable；

(3) power supply of electrochemical grinding Compound Machining and electrical parameters detection system are opened, which can be tool emery wheel 2 and the turbine disk half Adjustable Electrolyzed Processing parameter is stablized in the offer of finished product 1, and Electrolyzed Processing parameter can be cooperateed with ultrasonic vibration parameter between pulsewidth and arteries and veins It is synchronous, it ensures that electrolytic etching process and mechanical grinding process are orderly carried out by necessary requirement, realizes the high-quality of turbine tenon groove structure Amount processing；

(4) gang tool movement mechanism and drive system are opened, the system drive tool emery wheel 2 is from 1 upper end of turbine disk semi-finished product Incision, and fed along the fluting direction of turbine disk semi-finished product 1, until being cut out completely from 1 lower end of turbine disk semi-finished product, complete single The Precision Machining of turbine tongue-and-groove；

(5) after a tenon groove structure complete machining, tool emery wheel (2) are adjusted by gang tool movement mechanism and drive system To initial position, and turbine disk semi-finished product 1 is made to carry out rotary index, starts the process of next tenon groove structure, work as turbine All notching constructions are all processed into fir-shaped mortise structure by tool emery wheel 2 on disk semi-finished product 1, i.e. completion turbine disk whole tongue-and-groove Structure processing.