BM automatic calculation method for plant stationary equipment
The present disclosure relates to a bill of material (BM) automatic calculation method for plant stationary equipment, and more particularly, to a BM automatic calculation method for plant stationary equipment capable of automatically calculating BM data for purchasing a plate required quantity required for manufacturing stationary equipment through cutting plan and optimization deployment in order to manufacture stationary equipment using data extracted from a strength calculation program of the plant stationary equipment prepared in a plant engineering step. The present disclosure has an advantage of greatly reducing the labor force by automatically calculating the cutting plan drawing, the nesting plan drawing, and required BM of the plate of the stationary machine which has been manually performed in the related art.
1. A BM (Bill of Material) automatic calculation method of plant stationary equipment implemented by a computer, comprising the steps of:
(a) performing strength calculation for each item of a stationary machine having each unique number based on process data required in a plant using a strength calculation program and extracting input data in a first format from a strength calculation result for each item in which the strength calculation is performed;
(b) extracting all object data for each item, including nozzle data, design data, material specification data, and detail drawing data for preparing drawings from the extracted input data in the first format and converting all of the extracted object data into a second format;
(c) extracting only information on a part where an item-specific plate is used from all of the object data for each item converted into the second format and generating total part list data interlocking with an MPS (material purchaser specification) number sheet in information data for an extracted part where the item-specific plate is used;
(d) loading the total part list data as input data in a BM calculation program;
(e) setting a standard of a purchasing plate built with a library within the BM calculation program;
(f) setting cutting and fabrication margins for each part for preparing cutting plan drawings built with the library within the BM calculation program; and
(g-1) preparing a cutting plan drawing according to the set cutting and fabrication margins for each part;
(g-2) preparing a nesting plan drawing optimized by disposing the cutting plan drawing in the standard of the set purchasing plate; and
(g-3) generating a BM (bill of material) list and a cutting plan part list data that matches a BM number listed in the BM list, based on the nesting plan drawing.
2. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein in step (a), the first format is formatted in an XML (extensible markup language) file form.
3. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein in step (b), the second format is formatted in a data sheet file form.
4. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein in step (c), the part where the item-specific plate is used includes a shell, a head, a cone, a nozzle neck, a reinforced pad, a wear plate, and a stiffener ring, which are parts included in the object data for each item converted into the second format.
5. The BM automatic calculation method of plant stationary equipment of claim 4 , wherein information about parts including the shell, the head, the cone, the nozzle neck, the reinforced pad, the wear plate and the stiffener ring is name information of each part, type information of each part, size information of each part, and material information of each part.
6. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein the material purchaser specification (MPS) number sheet of step (c) is mutually mapped based on an item number of the stationary machine and interlocks with the information data for the extracted part where the item-specific plate is used.
7. The BM automatic calculation method of plant stationary equipment of claim 6 , wherein items to be added to the total part list data by the interlocking of the MPS number sheet are a project number, a requisition number, and an MPS number.
8. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein the total part list data of step (c) includes data for size information, material information, shape information, MPS number information, and dimension information on an item-specific plate application part.
9. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein the setting of the standard of the purchasing plate in step (e) is to set minimum and maximum sizes of a width and a length of a purchasable plate as a set default range in the library and set the standard of the purchasing plate within the set default range.
10. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein the setting of the cutting and fabrication margins for each part in step (f) is to set the cutting and fabrication margins in consideration of a consumed amount during cutting and a consumed amount during fabrication.
11. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein in step (g-2), a part-specific cutting plan drawing having a same MPS number, a same thickness, and a same material is disposed in the optimized nesting plan drawing.
12. The BM automatic calculation method of plant stationary equipment of claim 1 , wherein the BM calculation program in steps (d) to (g) is executed on an AUTOCAD as a universal drawing preparation program.