CN103842921A - Production planning device and production planning method - Google Patents
Production planning device and production planning method Download PDFInfo
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- CN103842921A CN103842921A CN201280048838.7A CN201280048838A CN103842921A CN 103842921 A CN103842921 A CN 103842921A CN 201280048838 A CN201280048838 A CN 201280048838A CN 103842921 A CN103842921 A CN 103842921A
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- G05B19/00—Programme-control systems
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- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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Abstract
The objective of the present invention is to determine assignment of work to each cutting processing device so as to maximize throughput of processing work for work imparted to a machining shop by effectively using a plurality of cutting processing devices such as lathes, drill presses, or multi-axis NC processing devices placed in the machining shop. The production planning device is provided with means for registering the processing area of each cutting processing device, means which creates NC data for processing the processing area of each registered cutting processing device so as to perform scheduling for the machining shop in order to calculate the throughput of the machining shop and the utilization rate of each cutting processing device, means for registering a modified solution of the processing area for each cutting processing device on the basis of the utilization rate of the processing device, and means for determining an assignment method of processing areas for which maximum throughput is achieved.
Description
Technical field
The present invention relates to CAM(Computer Aided Manufacturing: computer-aided manufacturing) technical field of software, possesses following function, effectively use the so multiple cutting apparatus of lathe, drilling machine, multiaxis NC processing unit (plant) that engineering shop is arranged, the handling capacity that determines the processing operation in order to make to put into the workpiece in engineering shop is maximum and distribute to the operation of each cutting apparatus.
Background technology
As the background technology of the art, there is TOHKEMY 2002-149223 communique.In this communique, record and " correctly made in short time accordingly the production schedule of steel products with short delivery period.By order input block input product order, determine thus the operation of passing through of product by operation determining means, the obtaining and eachly determining time of delivery and energy rate by operation by operation according to product order by production schedule forming unit, it is accumulated and determines respectively pass through regularly and the processing time by operation according to the delivery period of product order, according to it to each operation sequential accumulate processing time of each product order, calculate the running rate of each equipment, then decision-making ability exceedes having or not of operation, in the time that not exceeding operation, ability directly makes the production schedule, but in the situation that having the ability to exceed operation, according to delivery period and ability, the processing in this operation is divided half-and-half to the landslide processing regularly of pass through before and after being fitted on, inhibition ability exceedes, after adjustment, calculate again the running rate of each operation, in the time that ability does not exceed operation, according to passing through regularly and the processing time making production schedule at this moment " (with reference to summary).
In addition, there is TOHKEMY 2001-318711 communique (patent documentation 2).In this communique, record that " a kind of dispatching device is provided, and overload when it does not just eliminate calendar plan, also eliminates underload and make not become overcapacity, the equalization that can load.Possess: initiating task accumulation portion, its operation of implementing the necessary each operation of manufacture of product is the initial accumulation of task; Trough search section, it searches for the minimum part of load in the planning period of accumulating by this initiating task accumulation portion is minimum trough; Adjacent peaks search section, the crest that its search is adjacent with above-mentioned minimum trough; Load to handle averagely portion, it moves to the above-mentioned minimum trough equalization of loading by predetermined method by being present in task between above-mentioned adjacent peaks and minimum trough; Equalization degree evaluation section, its load to handle averagely result to above-mentioned load to handle averagely portion is evaluated; Finish detection unit, the end that its result of evaluating according to equalization is implemented to process is judged; Plan efferent, its output load to handle averagely result " (with reference to summary).
In addition, there is Japanese kokai publication sho 62-295116 communique (patent documentation 3).In this communique, record that " a kind of machining area dividing processing device of machine for automatic working of practicality is provided, and it classifies intensive to the machining area beyond hole, and it adds machining precision and processing energy rate and auto Segmentation is simple shape.The machining area dividing processing device of this machine for automatic working is the simple region shape corresponding with used instrument for machining area auto Segmentation, the machining area dividing processing device of this machine for automatic working comprises: machining area reference data storer, and it is prepared the determinating reference of Region Segmentation and sets benchmark; Region shape detection unit, it is made as machining area, and groove is processed, lateral groove is processed, side processes, pocket is processed and determinating area shape; Machining area is cut apart detection unit, and it,, for processing amplitude and the degree of depth of judging the machining area data of setting by this region shape detection unit, examines whether to cut apart accordingly with use instrument according to above-mentioned machining area reference data; Machining area cutting treatmenting part, it is side surface part, bottom surface sections, upper face according to above-mentioned machining area reference data by cut apart the machining area Data Segmentation that can cut apart that detection unit determines by this machining area; Machining area data-carrier store, it is filed having carried out machining area data after treatment by this machining area cutting treatmenting part " (with reference to summary, claim).
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2002-149223 communique
Patent documentation 2: TOHKEMY 2001-318711 communique
Patent documentation 3: Japanese kokai publication sho 62-295116 communique
Summary of the invention
The problem that invention will solve
Any one of patent documentation 1 and patent documentation 2 is all openly conceived to the running rate of each operation and carries out a method of the load of inter process.But, be not as the present invention to distributing to that the machining area of each cutting apparatus is reconstructed and the method for carrying out load.
In addition, in patent documentation 3, disclose and be conceived to machining feature and technology that division processing region is shared multiple processing machines.But, be not the running rate that is conceived to as the present invention each cutting apparatus to distributing to the machining area of each cutting apparatus and being reconstructed and the method for carrying out load.
Structure, cutting tool that the so multiple cutting apparatus of lathe, drilling machine, multiaxis NC processing unit (plant) that engineering shop is arranged possess according to these machineries, lathe fixedly has the effect of the processing of being responsible for the product with drum, drilling machine fixedly has the effect of the processing of being responsible for the product with various hole shapes, and multiaxis NC processing unit (plant) fixedly has the effect of being responsible for the processing such as completing of various planes, curved surface, pocket construction, groove structure, free form surface in addition.In fact comprise other special processing interior, also have the well-determined finished product processing of a lot of used cutting apparatus.
But, in the middle of from material by roughing by production be processed goods so that processed by finished product in the middle of the processing technology of processed goods, there is the repeat region that can process by multiple cutting apparatus in rough machined region especially.
Utilizing multiple cutting apparatus such as lathe, drilling machine, multiaxis NC processing unit (plant) that engineering shop is arranged, in the situation of efficiently multiple workpiece being processed, existence cannot judge which device to distribute the handling capacity of which machining area and engineering shop to is just maximum problem.
Reason is that operation focuses on a cutting apparatus, other cutting apparatus is not distributed to operation etc. on the other hand, and between device, does not obtain the balance of the number of working processes (how many each operations measures).
The invention provides a kind of CAM system, it supports following operation, carry out the scheduling of engineering shop for the operation design proposal of the machining area of workpiece being distributed to multiple cutting apparatus gained of engineering shop, running rate to each cutting apparatus is evaluated, and revises the distribution of the machining area between cutting apparatus.
For the means of dealing with problems
In order to address the above problem, the structure that for example adopts claim to record.
In order to address the above problem, in the present invention, form a kind of production schedule device, it possesses: the man-machine interface that shows contrastively shape of product and material shape and define machining area in material shape is provided, registers the unit of the machining area of each cutting apparatus; Make the NC data that the machining area of registered each cutting apparatus is processed, carry out the scheduling of engineering shop, the unit of the handling capacity of calculating machine job shop, the running rate of each cutting apparatus; Provide the machining area of above-mentioned each cutting apparatus to revise to define and make to dwindle the machining area as property value with the maximum above-mentioned running rate calculating and the man-machine interface that increases other machining areas, the unit of registering the correction solution of the machining area of each cutting apparatus; The handling capacity of the machining area to each cutting apparatus and the engineering shop that obtains by the scheduling of engineering shop in each this correction solution compares, and determines the unit of the allocative decision of the machining area that obtains maximum handling capacity.
In addition, in order to address the above problem, in the present invention, in production schedule device, possess: the machining feature defining tool that the classification that is categorized as lathe, drilling machine, multiaxis NC processing unit (plant) is provided in man-machine interface, accept user to having applied the selection of the definition of the machining area after each machining feature and processing machine, instrument, processing conditions, these data are associated, register the unit of the machining area of each cutting apparatus.
In addition, in order to address the above problem, in the present invention, in production schedule device, possess: the machining area data of reading registered each cutting apparatus, generate according to processing conditions and instrument condition the tool path that machining area is processed, generate NC data according to tool path and processing machine condition, above-mentioned NC data are processed to simulation and the calculating processing time, carry out the scheduling of engineering shop according to above data, the unit of the handling capacity of calculating machine job shop, the running rate of each cutting apparatus.
In addition, in order to address the above problem, in the present invention, in production schedule device, possess: in man-machine interface, provide the machining feature of the machining area that call definition registered and the unit of corrected parameter, accept the correction of machining area, calculate before revising and the amount of removing of revised machining area, point out the unit of the correction effect of the machining area of each cutting apparatus.
Invention effect
According to the present invention, can effectively use the so multiple cutting apparatus of lathe, drilling machine, multiaxis NC processing unit (plant) that engineering shop is arranged, the handling capacity that determines the processing operation in order to make to put into the workpiece in engineering shop is maximum and distribute to the operation of each cutting apparatus.
Accompanying drawing explanation
Fig. 1 is the figure representing as the synoptic diagram of the production schedule device of an embodiment of the invention.
Fig. 2 is the figure representing as the processing conditions tables of data of an embodiment of the invention.
Fig. 3 is the figure representing as the tool bar event data table of an embodiment of the invention.
Fig. 4 is the figure representing as the device condition data table of an embodiment of the invention.
Fig. 5 is the figure representing as the machining feature tables of data of an embodiment of the invention.
Fig. 6 is the figure representing as the machining feature example (1) of an embodiment of the invention.
Fig. 7 (a) is the figure representing as the machining feature example (2) of an embodiment of the invention.
Fig. 7 (b) is the figure representing as the machining feature example (3) of an embodiment of the invention.
Fig. 8 represents as the products C AD model example of an embodiment of the invention and the figure of material C AD model example.
Fig. 9 is the figure representing as the production schedule tables of data of an embodiment of the invention.
Figure 10 is the figure representing as the region create-rule tables of data of an embodiment of the invention.
Figure 11 represents to distribute machining areas to make the figure of the process flow diagram of the processing of the handling capacity maximum of engineering shop as an embodiment of the invention to multiple cutting apparatus.
Figure 12 is the figure representing as the machining area allocation rule registration picture of an embodiment of the invention.
Figure 13 is the figure representing as the machining area allocation rule correction picture of an embodiment of the invention.
Figure 14 is the figure representing as the process flow diagram of the machining area allocation rule registration process of an embodiment of the invention.
Figure 15 is the figure representing as the process flow diagram of the machining area allocation rule correcting process of an embodiment of the invention.
Figure 16 is the figure representing as the man-machine interface picture of engineering shop's handling capacity evaluation processing of an embodiment of the invention.
Figure 17 is the figure representing as the tables of data of the handling capacity evaluation result of an embodiment of the invention.
Figure 18 is the figure representing as the middle processed goods cad model example after the lathe processing of an embodiment of the invention and after drilling machine processing.
Figure 19 is the figure representing as the hardware configuration of an embodiment of the invention.
Embodiment
Below, use accompanying drawing explanation an embodiment of the invention.
Fig. 1 is the synoptic diagram as the production schedule device 100 of an embodiment of the invention.As illustrated, production schedule device 100 possesses calculating part 101, storage part 102, input part 103, efferent 104, Department of Communication Force 105.The Department of Communication Force 105 of production schedule device 100 is connected with three-dimensional CAD device 130, NC processing machine 140 via network 150.
Calculating part 101 possesses region create-rule register 110, three-dimensional CAM portion 111, machining area model generation portion 112, tool path generating unit 113, the amount of removing calculating part 114, process time calculating part 115, scheduling portion of job shop 116 and processing simulation part 117.
For example can possess CPU(CPU (central processing unit) by such shown in Figure 19 (synoptic diagram of computing machine 900)) 901, storer 902, HDD(hard disk drive) etc. external memory 903, to CD(CD), DVD etc. has the output units such as input media 906, display 907 such as the reading device 908, keyboard, mouse of storage medium 904 reading writing informations of mobility, NIC(network interface unit for being connected with communication network 909) etc. the common computing machine 900 of communicator 905, realize the production schedule device 100 of above record.
Processing conditions data storage areas 120 in advance by use in engineering shop whole cutting apparatus time Cutting and machining conditions be stored in processing conditions tables of data 120a.For example, in the present embodiment, storage processing conditions tables of data 120a as shown in Figure 2.As illustrated, processing conditions tables of data 120a has processing conditions numbered bin 120b, revolution hurdle 120c, speed of feed hurdle 120d, hilted broadsword feeding hurdle 120e, cutting speed hurdle 120f, axle incision hurdle 120g, quarter sawing lairage 120h.
Speed of feed hurdle 120d is stored according to the information of determining the speed of feed of instrument under the definite condition of processing conditions numbered bin 120b.
Hilted broadsword feeding hurdle 120e is stored according to the information of determining the amount of feeding of each cutter of instrument under the definite condition of processing conditions numbered bin 120b.
Axle incision hurdle 120g is stored according to the information of determining the axial penetraction depth of instrument under the definite condition of processing conditions numbered bin 120b.
Turn back to Fig. 1, in tool bar event data storage area 121, in advance the information of the instrument using in the whole cutting apparatus in engineering shop is stored in to tool bar event data table 121a.For example, in the present embodiment, storage as shown in Figure 3 according to tool bar event data table 121a.
As illustrated, tool bar event data table 121a has radius hurdle 121d, tool length hurdle 121e, stent diameter hurdle 121f, the stent length hurdle 121g of instrument numbered bin 121b, diameter hurdle 121c, downside.
The radius hurdle 121d of downside is stored according to the information of determining the diameter of the downside of instrument under the definite condition of instrument numbered bin 121b.
Turn back to Fig. 1, in device condition data storage area 122, the device information of the whole cutting processing machines in store mechanical job shop.For example, in the present embodiment, storage device condition data table 122a as shown in Figure 4.
As illustrated, device condition data table 122a has processing machine numbered bin 122b, processing machine name hurdle 122c, axle construction hurdle 122d, stroke hurdle 122e.
In processing machine numbered bin 122b, storage determines that the identifying information of cutting processing machine is processing machine numbering.
In processing machine name hurdle 122c, the information of the processing machine name of processing machine is determined in storage.
In axle construction hurdle 122d, the information of the axle construction of processing machine is determined in storage.
In stroke hurdle 122e, storage determines that the operating range of each axle of processing machine is the information of stroke.
Turn back to Fig. 1, in machining feature data storage areas 123, the machining feature data that use while being stored in definition machining area.Machining feature for example represents to cross over region etc. by the unit in a region of a tool processes by the drum of lathe tool processing, a hole of opening by a bit drills, by an end mill cutting one.In the present embodiment, in advance the machining feature that becomes standard is registered in tables of data, on man-machine interface picture, from wherein selecting suitable machining feature, define machining area in material C AD model time, uses.
For example, in the present embodiment, Fig. 6, Fig. 7 (a), Fig. 7 (b) are represented to the such machining feature data of machining feature example are registered in the machining feature tables of data 123a shown in Fig. 5.
As illustrated, machining feature tables of data 123a has machining feature numbered bin 123b, machining feature denominational 123c, parameter hurdle 123d, location representative point hurdle 123e and shape hurdle 123f.
In machining feature numbered bin 123b, the numbering of machining feature is determined in storage.
In machining feature denominational 123c, the numbering of machining feature name is determined in storage.
The parametric variable of the size of storage definition machining feature in parameter hurdle 123d.
The representative point information of the machining feature of locating machining feature and use while making machining area in location is stored in material C AD model in representative point hurdle 123e.
In shape hurdle 123f, be stored in the shape information using when showing machining feature on man-machine interface picture and defining machining shape.
Turn back to Fig. 1, products C AD model storage area 124 is stored the three-dimensional CAD data of the processed finished products shape that represents each product.The data of any one of storage surface model, solid model or two forms.Be received in three-dimensional CAD data the storage in three-dimensional CAD device 130, made via Department of Communication Force.For example, in the present embodiment, storage map 8(a) shown in the products C AD model 801 of such name of product X001A.
Products C AD model storage area 124 is for example stored with DXF document form, surface model is defined as to the each graphical element that forms pattern in key element definition part (ENTITIES), in module definition portion (BLOCK), solid model is defined as to module graphical element.In the present invention, the not specific cad file form that is limited to.
Material C AD model storage area 125 is stored the three-dimensional CAD data of the material shape that represents each product.The data of any one of storage surface model, solid model or two forms.Be received in three-dimensional CAD data the storage in three-dimensional CAD device 130, made via Department of Communication Force.For example, in the present embodiment, storage map 8(b) shown in such material C AD model 802.For the document form of material C AD model storage area 125, also store with the document form identical with above-mentioned products C AD model storage area 124.
Turn back to Fig. 1, in production schedule data storage areas 126, be stored in the production schedule information of implementing machining in engineering shop.For example, in the present embodiment, storage production schedule tables of data 126a as shown in Figure 9.The production schedule amount 126e of each production schedule numbering of a series of production schedule of storage identification, each plan day, each name of product in production schedule tables of data 126a.
Return to Fig. 1, in region create-rule storage area 127, storage is identified for the information of the region create-rule that defines the machining area of registering by region create-rule register 110.For the registration of region create-rule, for example in the present embodiment, point out machining area allocation rule registration picture 300 as shown in Figure 12 such man-machine interface to user, input registration zone create-rule (machining area allocation rule) according to user.
For region create-rule (machining area allocation rule), a machining area of material being implemented with a machining feature definition, and then definition uses which processing machine and which instrument, uses which processing conditions to process this machining area, register machining area information, processing machine associatedly and select information, instrument to select information and processing conditions to select information.And then, in a series of processing operation at the multiple machining areas that pass through the definition of machining feature of combination and from material to product, the multiple machining areas that combine each processing equipment cutting carry out expansion management by a region create-rule numbering (defining by multiple machining feature).
Region create-rule tables of data 127a shown in Figure 10 has region create-rule numbered bin 127b, machining feature numbered bin 127c, machining feature representative point coordinate column 127d, machining feature posture vector hurdle 217e, machining feature parameter value hurdle 127f, processing conditions selectionbar 127g, instrument selectionbar 217h, processing machine selectionbar 127i and machining area cad model hurdle 217j.
In the create-rule numbered bin 127b of region, the information of the region create-rule numbering additional to the combination of the machining area by a series of processing operation processing is determined in storage.
In machining feature numbered bin 127c, the information of the machining feature numbering of selecting in the time of a machining area of definition is determined in storage.
There is definite representative point for each machining feature is determined to its position and the X-Y-Z coordinate figure of representative point while defining the machining area of machining feature in storage in machining feature representative point coordinate column 127d.
The posture vector information of the posture in the X-Y-Z coordinate axis of the machining feature store the machining area that represents definition machining feature in machining feature posture vector hurdle 217e time.
The size value of the each parametric variable actual definition to machining feature store the machining area of definition machining feature in machining feature parameter value hurdle 127f time.
In processing conditions selectionbar 127g, storage adds the processing conditions numbering of application in man-hour to the machining area defining by machining feature.
In instrument selectionbar 217h, storage adds the instrument numbering using man-hour to the machining area defining by machining feature.
In processing machine selectionbar 127i, storage adds the processing machine numbering using man-hour to the machining area defining by machining feature.
In machining area cad model hurdle 217j, storage represents the cad model information of the machining area defining by machining feature.
According to the process flow diagram of Figure 11, illustrate to use and loaded production schedule device 100 of the present invention, the whole cutting apparatus that engineering shop possesses of effectively applying in a flexible way, distribute machining areas to make the treatment step of the handling capacity maximum of engineering shop to multiple cutting apparatus.
In step 200, make machining area allocation rule registration for using cutting apparatus that engineering shop has to process becoming the product (workpiece) of evaluation object.At this, for machining area allocation rule, must be to scheme of the minimum making of each product (workpiece), it is desirable to make multiple schemes in the situation that there are other solutions, the result of handling capacity is separately compared.
In order to make machining area allocation rule registration, in the present invention, provide the man-machine interface of the machining area allocation rule registration picture 300 shown in Figure 12.In machining area allocation rule registration picture 300, possess cad model viewing area 301, at this, the same position on same coordinate axle contrasts demonstration to products C AD model and material C AD model (middle processed goods cad model).
In Figure 14, represent the process flow diagram of machining area allocation rule registration process.
In step 400, appointed object product and rule numbers.In Figure 12, to express the numbering of machining area allocation rule is newly appointed as to " 1 ", object product has been specified " X001A " uniquely.
In step 401, using the information of corresponding products C AD model, material C AD model as input, carry out the demonstration of Figure 12.
The region that should process is defined as deducting products C AD model and remaining region from material C AD model, but in the present embodiment, Choice and process feature and on material C AD model overlapping demonstration machining feature, by the selected cell of mouse and do not have the input block of input part 103 showing to carry out the location of machining feature, change, the change of posture etc. of size on picture, finally the machining feature of the decision by having carried out location and parameter value defines machining area.
In the embodiment shown in fig. 12, represent following situation, show drop-down menu by multiselect frame or the radio box of clicking lathe machining feature selection portion 304 with mouse, show the guide look that is registered in the machining feature relevant with lathe in machining feature data storage areas 123, selected the machining feature of cylinder.Accept the input of the selection of machining feature, system is read the shape 123f of the machining feature numbering 1 of machining feature table 123a, on the material C AD of Figure 12 model, shows cylinder machining feature.On Figure 12, do not express machining feature, but the machining feature operating unit that user uses three-dimensional CAM portion 111 to provide, overlapping demonstration machining feature on material C AD model and determine machining area.In addition, machining feature is not comprised in material C AD model, and repeat region is defined as to machining area.And then, in processing machine selection portion 307, from the menu of the content of device condition data table 122a, processing machine numbering is chosen as to " 3 ", in instrument selection portion 308, from the menu of the content of tool bar event data table 121a, instrument numbering is chosen as to " 7 ", in processing conditions selection portion 309, from the menu of the content of processing conditions tables of data 120a, processing conditions numbering is chosen as to " 10 ".
In the situation that defining machining feature and having inputted parameter value, by pressing the decision button 310 of machining feature, and as the second row of region create-rule tables of data 127a, register the data of the machining area of corresponding machining feature.In addition,, in machining area cad model hurdle 127j, form cad model the storage of the repeat region that represents machining feature and material C AD model.
By the decision processing of above-mentioned machining feature, material C AD model has been carried out to lathe processing, as the middle processed goods cad model of its result, the middle processed goods cad model 803 shown in Figure 18 (a) is presented in the viewing area 301 of the material C AD model of Figure 12, middle processed goods cad model.
User then pays close attention to the processing of drilling machine, process and adjust selection portion 305 by drilling machine, with above-mentioned operation similarly, select the machining feature of drilling machine, system is accepted this selection, shows overlappingly the machining feature of hole processing on middle processed goods cad model.User positions hole machining feature, determines parameter value, carrying out that processing machine selection, instrument are selected, after processing conditions selects, clicks the decision button 310 of machining feature and carries out the registration of machining area.As shown in the third line of the region create-rule tables of data 127a of Figure 10, the machining area of definition drilling machine.In addition, the hole processing of drilling machine is not a position, carries out perforate make a part of region overlapping with the interval of being scheduled to.Repeatedly make them by the function copying, data different representative point coordinate figure are registered in the create-rule tables of data 127a of region.The result of having registered the machining area of whole drilling machines processing is for example the middle processed goods cad model 804 shown in Figure 18 (b), and middle processed goods cad model is presented in the viewing area of Figure 12.
User is then by multiaxis NC processing unit (plant) machining feature selection portion 306 and the above-mentioned machining feature of similarly selecting multiaxis NC processing unit (plant).For example, in the case of the free form surface of machining feature numbering 28, can from products C AD model, take out the free form surface key element of wishing as machining feature.In addition, if specify roughing, make the free form surface from the free form surface of products C AD model with predetermined skew, if specify finished product processing, make along the machining feature of the free form surface of products C AFD model.
As described above, in step 402, Choice and process feature and define roughing region, the product machining area of lathe, drilling machine.
Then, in step 403, Choice and process feature and define roughing region, the finished product machining area of multiaxis NC processing unit (plant).
Finish if define whole machining areas, click the registration button 312 of the machining area allocation rule of Figure 12, complete the registration of the machining area allocation rule of the rule numbers 1 of appointment.At this moment, make the cad model of the machining area that has combined whole machining area gained, be stored in the create-rule tables of data of region.
In the step 200 of Figure 11, each product (workpiece) is made to more than one machining area allocation rule.Then, the in the situation that of in multiple product (workpiece) is put into engineering shop, make the machining area allocation rule different to each product (workpiece), with different numbering registrations.
In the step 201 of Figure 11, show the man-machine interface picture of engineering shop's handling capacity evaluation processing of Figure 16.
User, for the machining area allocation rule of the product (workpiece) of job evaluation object, selects region create-rule numbering 127b from drop-down menu 601.Existing multiple in the situation that, specify whole rule numbers.In addition, in production schedule selection portion 602, for the production schedule using in evaluating at this, from production schedule tables of data 126a, specify production schedule numbering.
User can be from the drop-down menu of apparatus structure portion of engineering shop 605, in whole cutting apparatus of formation engineering shop, by with the irrelevant device of this processing of evaluation object product or during evaluation object out-of-operation device get rid of, and select the cutting apparatus of evaluation object.
User can be from the drop-down menu of processing sequence selection portion 603 Choice and process order.In the time making region create-rule (machining area allocation rule), determine the order of processing according to the order of the definition of the machining area of machining feature, but can change in processing sequence selection portion 603, for example, in Figure 16, specify the processing of advanced driving bed, then carried out the processing of drilling machine.
User and then dropping in product selection portion 604, selects the product of specified evaluation object, selects to specify between schedule periods 606, the section 607 duration of runs of engineering shop.
After above setting, click and evaluate beginning button 608, start the handling capacity evaluation processing of engineering shop.
In the step 201 of Figure 11, accept the beginning of the handling capacity evaluation processing of engineering shop, tool path generating unit 113 is read region create-rule data, processing conditions data, the tool bar event data of specifying according to the machining area allocation rule of evaluation object, generates the tool path that the machining area of whole correspondences is carried out to machining.If lathe and drilling machine are NC processing machines, tools path, if not tools path not.Tool path generating unit 113 is used the existing CAM function for machining area cad model tools path.
Then,, in step 202, three-dimensional CAM portion 111 numbers the device condition data of selecting, the NC data of making each cutting apparatus according to the tool path data of above-mentioned making, according to processing machine.The NC data of making are stored in NC data storage areas 128.The making of NC data is processed and is used existing CAM function.
Then, in step 203, process time calculating part 115 for the NC data of above-mentioned making, carry out the processing simulation of each cutting apparatus by processing simulation part 117, the calculating processing time.In addition,, if lathe and drilling machine are NC processing machines, determine calculating processing time time of delivery with reference to operator's standard.Processing simulation part 117 uses existing CAM function.
Then,, in step 204, scheduling portion of job shop 116 is the analogy model of the mechanical processing technique in production machinery job shop on computers.In this model, reproduce on computers cutting apparatus that user selects, according to the input of the workpiece of production schedule data, according to the cut of the machining area of region create-rule (machining area allocation rule), according between the operation path of processing sequence, schedule periods, the duration of runs section (in the present embodiment, do not consider operator's working plan, operator's technical ability difference etc.), the passage of time of the processing technology entirety of analog mechanical job shop thus, makes the progress plan of putting into the whole workpiece in engineering shop.According to the progress plan of whole workpiece of making, handling capacity and the cutting apparatus of the engineering shop between schedule periods are categorized as to lathe, drilling machine, the such classification of multiaxis NC processing unit (plant), calculate running rate average of the cutting apparatus that belongs to each classification.
Handling capacity evaluation result is for example presented in man-machine interface according to the tables of data 610 shown in Figure 17.For the machining area allocation rule of evaluation object, specify at first 1,2 and carry out and evaluate, therefore in the tables of data 610 of Figure 17, show that machining area allocation rule is numbered 1,2 evaluation result.
Then, in step 205, by user, the evaluation result of 2 of Figure 17 kinds of machining area allocation rule is compared, known they be all the running rate of processing operation of multiaxis NC processing unit (plant) high be 76% and 77.5%, multiaxis NC processing unit (plant) becomes the bottleneck that improves handling capacity.In addition, can judging machining area allocation rule, to be numbered 2 handling capacity slightly large, the shape with correction machining area makes the leeway of the running rate of the processing operation that further improves drilling machine, can be predicted as the running rate of the processing operation that relatively reduces multiaxis NC processing unit (plant).Therefore, be further judged to be to exist the machining area allocation rule of improving handling capacity.
Therefore,, in step 206, transfer to next step 207.
Then, in step 207, to each machining area allocation rule, the running rate of lathe is stored as to the property value that represents the amount of processing by lathe, the running rate of drilling machine is stored as to the property value that represents the amount of processing by drilling machine, and the running rate of multiaxis NC processing unit (plant) is stored as to the property value representing by the amount of multiaxis NC processing unit (plant) processing.
Then,, in step 208, production schedule device 100 is presented at the machining area allocation rule correction picture 320 shown in Figure 13 in man-machine interface picture.In machining area allocation rule correction picture 320, similarly possesses cad model viewing area 321 with machining area allocation rule registration picture 300, at this, the same position in identical coordinate axis shows products C AD model, material C AD model (middle processed goods cad model) contrastively.
In Figure 15, represent the process flow diagram of machining area allocation rule correcting process.
In step 500, appointed object product and rule numbers.In Figure 13, in rule numbers display part 322, specify input the numbering " 2 " of having carried out the machining area allocation rule of evaluating to be modified to the machining area allocation rule of new numbering " 3 ".
If the correction of drilling machine machining feature finishes, user clicks the decision button 332 of machining feature, and region create-rule register 110 registers to the new data recording of new region create-rule numbering " 3 " in the create-rule tables of data of region.Equally, can indicate from lathe machining feature selection portion 323, multiaxis NC processing unit (plant) machining feature selection portion 327 correction of machining feature, the new data recording of new region create-rule numbering " 3 " is registered in the create-rule tables of data of region.In the time of the correcting process of these machining feature, in processing machine correction selection portion 329, instrument correction selection portion 330, processing conditions correction selection portion 331, if there are the data that revise, after correction, determine machining feature.Then do not revise, the existing data of replication region create-rule numbering " 2 ".
As described above, after the correcting process of drilling machine machining feature finishes, if accepted the click of the decision button 332 of machining feature, region create-rule register 110 is calculated respectively the processing capacity of the drilling machine of region create-rule numbering " 2 " before revising and revised region create-rule numbering " 3 " by the amount of removing calculating part 114, in drilling machine processing capacity correction portion 326, show contrastively revise before with the revised processing amount of removing.For example, unit is mm
3.At this moment, for the machining area of other lathes and multiaxis NC processing unit (plant), even without revising machining feature, the machining area of drilling machine also changes, sometimes relatively change thus, therefore all use the existing data of region create-rule numbering " 2 " and calculate by the amount of removing calculating part 114, in lathe processing capacity correction portion 324, multiaxis NC processing capacity correction portion 328, showing contrastively front and the revised processing amount of removing revised.In the demonstration example of Figure 13, known in lathe processing capacity correction portion 324 amount of removing do not change, but reduced in multiaxis NC processing capacity correction portion 328.The processing of the amount of removing calculating part 114 is made NC data and is calculated by processing simulation process, but uses existing CAM function.
In the step 501 of Figure 15, successively accept the machining feature of lathe, drilling machine, multiaxis NC processing unit (plant) correction, newly append, deletion etc., respond and make user see at any time the shape of revised middle processed goods cad model, in step 502, as described above, according to the machining area data of the machining feature of revising or newly append, for machining area in addition, with reference to the region create-rule data before revising, calculate the amount of removing of each cutting apparatus, point out before correction and the revised amount of removing to user contrastively.
In the step 503 of Figure 15, wait for the indication of the click of the correction registration button 334 of user to machining area allocation rule, if accepted to revise the indication of registration, transfer to step 504, carry out the registration of the machining area allocation rule of revised new numbering " 3 ".In step 503, if further there is the indication of correction etc., transfer to step 501.
In the step 208 of Figure 11, the machining area of distributing to each cutting apparatus is reset, make to reduce to have as property value the machining area (reducing the amount of removing) of the running rate of maximum cutting apparatus, increase the machining area (increasing the amount of removing) of other cutting apparatus.Then, revised new machining area allocation rule is registered in the create-rule tables of data 127a of region.
Then, again transfer to step 201, production schedule device 100 points out engineering shop's handling capacity to evaluate picture 600 to user, to this, user specifies the machining area allocation rule of the new rule numbers " 3 " of revising registration in the selection region 601 of the machining area allocation rule of evaluation object, other setting items are identical with the evaluation of last time, therefore do not revise, and start button 608 indication evaluations process by evaluation.Production schedule device 100 is according to evaluating the indication starting, according to the data of machining area allocation rule (region create-rule) numbering " 3 ", the processing of execution step 201,202,203 and 204, be categorized as the handling capacity of engineering shop and lathe, drilling machine, the such classification of multiaxis NC processing unit (plant), calculate running rate average of the cutting apparatus that belongs to each classification.Its result, as shown in the handling capacity evaluation result tables of data of Figure 17, is pointed out the evaluation result of this machining area allocation rule " 3 " side by side with the machining area allocation rule " 1 " of the evaluation result as last time, the evaluation result of " 2 ".
In step 205, the evaluation result of evaluating out this machining area allocation rule " 3 " is handling capacity maximum.Then, be judged as except machining area allocation rule " 3 ", the amount of removing of machining area of further increase lathe or drilling machine can not find such effectively and appropriate processing operation, user's final decision is that the job operation of machining area allocation rule " 3 " produces the maximum handling capacity in the engineering shop of this evaluation object.
Therefore,, in step 206, that finishes use production schedule device 100 distributes machining areas to make the treatment step of the handling capacity maximum of engineering shop to multiple cutting apparatus.
Then above processing, production schedule device 100 reads out in the NC data of machining area model being processed for each cutting apparatus of the machining area allocation rule " 3 " that is stored in the generation maximum throughput in NC data storage areas 128 in above processing, downloads to each NC processing machine via Department of Communication Force 105.In addition, according to the data that are registered in the create-rule tables of data of region, production job instruction etc., outputs to the cutting apparatus that is not NC processing machine from efferent 104.
As described above, according to present embodiment, production schedule device 100 can support effectively to use the so multiple cutting apparatus of lathe, drilling machine, multiaxis NC processing unit (plant) that engineering shop is arranged, the operation to each cutting apparatus that determines the handling capacity maximum of the processing operation for making the workpiece of putting into engineering shop distributes, and supplies with NC data to each NC processing machine.
Description of reference numerals
100: production schedule device; 101: calculating part; 102: storage part; 103: input part; 104: efferent; 105: Department of Communication Force; 110: region create-rule register; 111: three-dimensional CAM portion; 112: machining area model generation portion; 113: tool path generating unit; 114: the amount of removing calculating part; 115: process time calculating part; 116: scheduling portion of job shop; 117: processing simulation part; 120: processing conditions data storage areas; 120a: processing conditions tables of data; 120b: processing conditions numbered bin; 120c: revolution hurdle; 120d: speed of feed hurdle; 120e: hilted broadsword feeding hurdle; 120f: cutting speed hurdle; 120g: axle incision hurdle; 120h: quarter sawing lairage; 121: tool bar event data storage area; 121a: tool bar event data table; 121b: instrument numbered bin; 121c: diameter hurdle; 121d: the radius hurdle of downside; 121e: tool length hurdle; 121f: stent diameter hurdle; 121g: stent length hurdle; 122: device condition data storage area; 122a: device condition data table; 122b: processing machine numbered bin; 122c: processing machine name hurdle; 122d: axle construction hurdle; 122e: stroke hurdle; 123: machining feature data storage areas; 123a: machining feature tables of data; 123b: machining feature numbered bin; 123c: machining feature denominational; 123d: parameter hurdle; 123e: representative point hurdle, location; 123f: shape hurdle; 124: products C AD model storage area; 125: material C AD model storage area; 126: production schedule data storage areas; 126a: production schedule tables of data; 126b: production schedule numbered bin; 126c: plan day hurdle; 126d: name of product hurdle; 126e: production schedule amount; 127: region create-rule storage area; 127a: region create-rule tables of data; 127b: region create-rule numbered bin; 127c: machining feature numbered bin; 127d: machining feature representative point coordinate column; 127e: machining feature posture vector hurdle; 217f: machining feature parameter value hurdle; 127g: processing conditions selectionbar; 127h: instrument selectionbar; 217i: processing machine selectionbar; 127j: machining area cad model hurdle; 128:NC data storage areas; 130: three-dimensional CAD device; 140:NC processing machine; 150: network; 300: machining area allocation rule registration picture; 301:CAD models show region; 302: newly register rule numbers hurdle; 303: name of product hurdle; 304: lathe machining feature selection portion; 305: drilling machine machining feature selection portion; 306: multiaxis NC processing unit (plant) machining feature selection portion; 307: processing machine selection portion; 308: instrument selection portion; 309: processing conditions selection portion; 310: the decision button of machining feature; 311: the decision button of processing sequence; 312: the registration button of machining area allocation rule; 320: machining area allocation rule correction picture; 321:CAD models show region; 322: rule numbers display part; 323: lathe machining feature selection portion; 324: lathe processing capacity correction portion; 325: drilling machine machining feature selection portion; 326: drilling machine processing capacity correction portion; 327: multiaxis NC processing unit (plant) machining feature selection portion; 328: multiaxis NC processing capacity correction portion; 329: processing machine correction selection portion; 330: instrument correction selection portion; 331: processing conditions correction selection portion; 332: the decision button of machining feature; 333: the correction button of processing sequence; 334: the correction registration button of machining area allocation rule; 600: engineering shop's handling capacity is evaluated picture; 601: the selection region of the machining area allocation rule of evaluation object; 602: production schedule selection portion; 603: processing sequence selection portion; 604: drop into product selection portion; 605: apparatus structure portion of engineering shop; 606: specifying part between schedule periods; 607: the duration of runs section specifying part; 608: evaluate and start button; 610: handling capacity evaluation result tables of data; 611: machining area allocation rule numbered bin; 612: the running rate hurdle of the processing operation of lathe; 613: the running rate hurdle of the processing operation of drilling machine; 614: the running rate hurdle of the processing operation of multiaxis NC processing unit (plant); 615: handling capacity hurdle; 701: cylinder machining feature; 702: tapered cylinder machining feature; 703: through hole machining feature; 704: blind cave machining feature; 705: bag machining feature of remaining silent; 706: open-bag machining feature; 707: fluting machining feature; 708: face machining feature; 709: Free-Form Surface Machining feature; 801: products C AD model example; 802: material C AD model example; 803: the middle processed goods cad model example after lathe processing; 804: the middle processed goods cad model example after drilling machine processing; 900: computing machine; 901:CPU; 902: storer; 903: external memory; 904: the storage medium with mobility; 905: communicator; 906: input media; 907: output unit; 908: reading device; 909: communication network.
Claims (10)
1. a production schedule device, is characterized in that, possesses:
A kind of man-machine interface that shows shape of product and material shape and define machining area in material shape that contrasts is provided, registers the unit of the machining area of each cutting apparatus;
Make the NC data that the machining area of registered each cutting apparatus is processed, carry out the scheduling of engineering shop, the unit of the handling capacity of calculating machine job shop and the running rate of each cutting apparatus;
To there is the machining area of above-mentioned calculated transport maximum rate as property value and expand other machining areas in order to dwindle, the man-machine interface that provides a kind of machining area to above-mentioned each cutting apparatus to revise definition, and the unit of registering the correction solution of the machining area of each cutting apparatus;
The handling capacity of the machining area to each cutting apparatus and the engineering shop that obtains by the scheduling of engineering shop in each this correction solution compares, and determines the unit of the allocative decision of the machining area that obtains maximum handling capacity.
2. production schedule device according to claim 1, is characterized in that,
Register the unit of the machining area of above-mentioned each cutting apparatus, a kind of machining feature defining tool of the classification that is categorized as lathe, drilling machine, multiaxis NC processing unit (plant) is provided in man-machine interface, accept user to having applied the selection of the definition of the machining area after each machining feature and processing machine, instrument, processing conditions, these data are associated, register the machining area of each cutting apparatus.
3. production schedule device according to claim 1, is characterized in that,
The machining area data of registered each cutting apparatus are read in the unit that calculates the handling capacity of above-mentioned engineering shop and the running rate of each cutting apparatus, generate according to processing conditions and instrument condition the tool path that machining area is processed, generate NC data according to tool path and processing machine condition, above-mentioned NC data are processed to simulation calculating processing time, carry out the scheduling of engineering shop according to above data, the handling capacity of calculating machine job shop and the running rate of each cutting apparatus.
4. production schedule device according to claim 1, is characterized in that,
Register the machining feature of machining area the unit of corrected parameter that the unit of the correction solution of the machining area of above-mentioned each cutting apparatus provides call definition to register in man-machine interface, accept the correction of machining area, calculate before revising and the amount of removing of revised machining area, point out the correction effect of the machining area of each cutting apparatus.
5. production schedule device according to claim 1, is characterized in that,
In the decision that obtains the unit of the allocative decision of the machining area of above-mentioned maximum throughput according to decision, while generating the NC data of corresponding machining area, download NC data via network to NC processing machine.
6. a production schedule method, effectively use multiple cutting apparatus of the classification that is divided into lathe, drilling machine, multiaxis NC processing unit (plant) set in engineering shop, determine the handling capacity maximum of the processing operation in order to make to put into the workpiece in engineering shop and distribute to the operation of each cutting apparatus, it is characterized in that, comprising:
A kind of man-machine interface that shows shape of product and material shape and define machining area in material shape that contrasts to user is provided, accepts user's definition and register the operation of the machining area of each cutting apparatus;
Generate the NC data that the machining area of registered each cutting apparatus is processed, carry out the scheduling of engineering shop, the operation of the handling capacity of calculating machine job shop and the running rate of each cutting apparatus;
To there is the machining area of above-mentioned calculated transport maximum rate as property value and expand other machining areas in order to dwindle, provide a kind of machining area to above-mentioned each cutting apparatus to revise the man-machine interface of definition to user, accept user's correction, register the operation of the correction solution of the machining area of each cutting apparatus;
The handling capacity of the machining area to each cutting apparatus and the engineering shop that obtains by the scheduling of engineering shop in each this correction solution compares, and determines the operation of the allocative decision of the machining area that obtains maximum handling capacity.
7. production schedule method according to claim 6, is characterized in that,
The operation of registering the machining area of above-mentioned each cutting apparatus is following operation, the machining feature defining tool of the classification that is categorized as lathe, drilling machine, multiaxis NC processing unit (plant) is provided in man-machine interface, accept user to having applied the selection of the definition of the machining area after each machining feature and processing machine, instrument, processing conditions, these data are associated, register the machining area of each cutting apparatus.
8. production schedule method according to claim 6, is characterized in that,
The operation of calculating the handling capacity of above-mentioned engineering shop and the running rate of each cutting apparatus is following operation, read the machining area data of registered each cutting apparatus, generate according to processing conditions and instrument condition the tool path that machining area is processed, generate NC data according to tool path and processing machine condition, above-mentioned NC data are processed to simulation calculating processing time, carry out the scheduling of engineering shop according to above data, the handling capacity of calculating machine job shop and the running rate of each cutting apparatus.
9. production schedule method according to claim 6, is characterized in that,
The operation of registering the correction solution of the machining area of above-mentioned each cutting apparatus has following operation: in man-machine interface, provide the machining feature of the machining area that a kind of call definition registered and the unit of corrected parameter, accept the correction of machining area, calculate before revising and the amount of removing of revised machining area, point out the correction effect of the machining area of each cutting apparatus.
10. production schedule method according to claim 6, is characterized in that,
In the decision that obtains the operation of the allocative decision of the machining area of above-mentioned maximum throughput according to decision, while making the NC data of corresponding machining area, also there is operation from network to NC processing machine that download NC data via.
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| JP2011221731A JP5689396B2 (en) | 2011-10-06 | 2011-10-06 | Production planning apparatus and production planning method |
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| PCT/JP2012/074587 WO2013051432A1 (en) | 2011-10-06 | 2012-09-25 | Production planning device and production planning method |
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| CN109789525A (en) * | 2016-10-04 | 2019-05-21 | Dmg森精机株式会社 | Processing conditions determination device and cutting element selection device |
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| JP2013084035A (en) | 2013-05-09 |
| WO2013051432A1 (en) | 2013-04-11 |
| JP5689396B2 (en) | 2015-03-25 |
| CN103842921B (en) | 2016-05-18 |
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