Plastic bag production management algorithm and program

Abstract

The invention discloses a plastic bag production management algorithm and program. Compared with the prior art, the algorithm has the advantages that the algorithm is applied to various production processes of the plastic packaging bag and comprises the steps of film blowing, printing, edge folding, blanking, bag making, delivery and the like, a production process list of the product can be automatically generated by inputting product requirements, and the piece counting salaries of workers in various processes for producing the product are automatically calculated; meanwhile, data in the process sheet can be copied to a summary sheet, the order production progress can be tracked in real time through the summary sheet, comprehensive information of all orders can be directly displayed on a display interface for personnel management and use, applicability is good, and popularization is convenient.

Description

Technical Field

[0001] This invention relates to the production of plastic bags, specifically to a production management algorithm and program for plastic bags. Background Technology

[0002] Plastic packaging bags are packaging bags made from plastic raw materials used in the production of various daily necessities. They are widely used in daily life and industrial production. They are typically made of plastic materials such as polyethylene (PE) and polypropylene (PP). They are lightweight, durable, highly transparent, and waterproof / moisture-proof, making them widely used in commercial, household, and industrial sectors. Summary of the Invention

[0003] The technical problem this invention aims to solve is that current plastic bag production management requires manual recording of various values, which increases the workload of personnel and is prone to errors. For processes such as film blowing, printing, folding, material cutting, bag making, and delivery in the finished plastic packaging bag manufacturing process, this not only increases the difficulty of the work but also reduces the efficiency and has poor applicability.

[0004] To solve the above-mentioned technical problems, the technical solution provided by the present invention is: a production management algorithm for plastic bags, comprising the following steps:

[0005] Step 1: The user places an order in the form, entering the material, thickness, size, and quantity of the plastic bags needed, inserting the pattern to be printed, and filling in the printing colors. A single form can contain multiple plastic bags of different sizes.

[0006] Step 2: Based on the data input from the front end, the table automatically generates data such as the width and weight of the plastic film and the printing rollers required for production using built-in algorithm formulas. Then, a dot matrix printer can be used to print a three-part production process sheet for production use.

[0007] Step 3: The table will automatically generate the important information for the required plastic bags, one row per size, including: process order number, customer name, order date, expected delivery date, material, thickness, process, size, quantity, printing colors, printing plate number, plastic film width, printing plate wheel size, order urgency, and other special process requirements. This information is copied to another summary table for tracking order progress.

[0008] Step 4: Track order production progress in real time based on the summary table. The comprehensive information for all orders is directly displayed on the interface. This comprehensive information includes multiple work units: 1) Annual Order Progress Unit, 2) Incomplete Orders Unit, 3) Undelivered Orders Unit, 4) Daily Order Quantity Unit, 5) Piece-Rate Wages for Workers in Each Process Unit, 6) Total Customer Order Quantity Unit, 7) Specific Customer Order Quantity Unit, and 8) Annual Summary Unit. Of these units, only "1) Annual Order Progress Unit" requires manually copying the information for each new order and filling in the completion status of each process. The remaining units are automatically generated. Specifically:

[0009] 1) The annual order progress unit contains information on all orders within that year, including process order number, manufacturer name, order date, estimated shipping date, material name, material thickness, process type, adhesive strip usage, plastic bag size, order quantity, number of printing colors, printing colors, printing plate number, blown film width, plastic film width, plate wheel paper feed length, prepared material weight, actual material consumption weight, printing start date, printer, printing quantity, printing length, printing completion date, material unloading start date, material unloading person, material unloading quantity, and material unloading details. The data includes: completion date, bag making start date, bag maker, number of bags made, number of meters of bags made, bag completion date, quantity not completed, completion status, remarks, order urgency, number of color changes, color blocks, selling price, total selling price, selling price calculation method, shipping date, shipping method, invoice date, invoice amount, payment receipt date, piece-rate output value for printing, piece-rate output value for side seals, piece-rate output value for bottom seals, piece-rate output value for manual work, ink cost, adhesive strip cost, freight, production time, allocated factory fixed costs, taxes, cost price, profit, profit margin, etc. The functions of this unit are: ① to check order progress; ② to calculate selling prices using different pricing schemes for different customers; ③ to check order invoicing and payment status, and to view the profit and loss situation of each order.

[0010] 2) The "Incomplete Orders" unit contains information on incomplete orders, mainly including 5 production processes. Each incomplete process displays: process order number, customer name, order date, estimated delivery date, order size, order quantity, piece-rate wage for this order, number of days since today, and number of days past delivery deadline. The 5 production processes are printing, side sealing bag making, bottom sealing bag making, hand bag making, and delivery status. The purpose of this unit is: ① Once the corresponding process is completed, the completion date is entered in the "1) Annual Order Progress" unit, and the order will no longer appear in this unit. ② For each process, the "Piece-rate Wage for this Order" column can be summarized, showing the specific amount of unfinished work for that process. For example, if the total piece-rate wage for unfinished printing is 4500 yuan, and the estimated output per worker per 8 hours is 150 yuan, it can be calculated that it would take 30 working days for a single worker to complete all current orders. During peak seasons, overtime can be arranged or additional workers can be hired to ensure timely delivery. ③ The workshop only needs to produce according to the order of this unit to ensure that all orders are produced in an orderly manner;

[0011] 3) The "Undelivered Orders" section contains statistical information on the delivery status of each order, including: manufacturer name, last delivery date, earliest order date, number of days without delivery, earliest order date (days since today), weight of completed but undelivered orders, and weight of uncompleted orders. The purpose of this section is: ① To sort customers based on the "weight of completed but undelivered orders" to guide shipment; ② To allow users to select orders to ship from the "1) Annual Order Progress" section, displaying the total weight of the selected orders to facilitate determining whether to use express delivery, logistics, a small van, or a large van for delivery.

[0012] 4) The Daily Order Quantity unit contains statistical information on order quantity, including: date, leather printing quantity, coated paper printing quantity, side seal, back cover, manual printing, total, theoretical working days, shipment quantity, and order material usage statistics. The purpose of this unit is: ① to intuitively display the daily order quantity and shipment quantity.

[0013] 5) The piece-rate wage unit for each process contains statistical information on the piece-rate wages of all workers in the workshop, including: name, date, daily piece-rate wage, daily attendance duration, average hourly output, and monthly piece-rate wage summary. This information is automatically generated after the production date and worker are entered into the corresponding process in the "1) Annual Order Progress Unit". The purpose of this unit is: ① To visually display each worker's daily output and average hourly output, allowing for penalties for consistently low-output workers and rewards for high-output workers. ② To facilitate the calculation of monthly worker wages, automatically generating all workload for each worker in the previous month, printing and distributing the data, ensuring fairness and impartiality, reducing complaints from low-wage workers, promoting a system of rewarding hard work, and increasing worker motivation.

[0014] 6) The "All Customer Orders" unit contains statistical information for all customers, including: customer name, total number of orders, total order weight, total order amount, total order profit, and order profit margin, and is sorted according to this data. The purpose of this unit is: ① To visually display the order volume for each customer, guiding the factory to prioritize serving major clients. ② To visually indicate that some customers have placed fewer orders, reminding sales staff to communicate with these customers promptly and recover lost orders.

[0015] 7) The "Customer Order Quantity" unit contains detailed information about the customer's orders, including: customer name, date, total number of orders, total order weight, total order amount, total order profit, and order profit margin. The purpose of this unit is: ① To display in more detail the changes in a specified customer's orders over time, visually indicating that some customers are placing fewer orders, reminding sales staff to communicate with customers promptly and recover lost orders.

[0016] 8) The annual summary unit contains a summary of production information for the entire year. It is first compiled by month, then summarized into full-year information, including: month, total weight of materials consumed that month, total amount of materials consumed that month, amount of ink consumed that month, amount of adhesive strip consumed that month, freight costs that month, piece-rate wages for workers that month, total wages for workers that month, taxes for that month, sales amount for that month, profit for that month, and profit margin for that month. The purpose of this unit is: ① To visually display the profitability for the entire year.

[0017] The advantages of this invention compared to existing technologies are as follows: This algorithm is applied to various production processes of plastic packaging bags, including blown film, printing, folding, cutting, bag making, and delivery. By inputting product requirements, it can automatically generate various production data and copy them to a summary table. Based on the summary table, the order production progress can be tracked in real time, and the comprehensive information of all orders can be directly displayed on the display interface for personnel management. It has good applicability and is easy to promote. Detailed Implementation

[0018] I. Order Processing (Office Operator):

[0019] Fill in the corresponding unit according to the order. Customer name needs to add 2 subheadings and you can choose to add the following notes: ① Type of plastic bag. Some brands of plastic bags may have multiple customers. This is to facilitate year-end screening and statistics. ② Name of the orderer.

[0020] When creating customer information, you can add notes such as packaging method, delivery address, and payment method.

[0021] The shaded area in the upper left corner corresponds to the cell where customer orders can be copied and pasted.

[0022] Images can be inserted into the cells corresponding to the shaded area in the lower left corner;

[0023] The unit corresponding to the shaded area in the upper right corner can be automatically generated.

[0024] The portion of the work order that appears in the summary table after completion:

[0025] 1. The system needs to automatically generate the worker wages for each size process on this work order. This includes:

[0026] 1.1 Blown film wages: calculated based on weight;

[0027] 1.2 Leather Plate Printing Wages: Based on "Number of Printing Colors," "Order Quantity in Meters," "Whether it's a Color Block," and "Additional Fee for Leather Plate Pasting Difficulty (Not Recorded in the Table)." See the attached "Instructions for Calculating Printing Output Value" for details.

[0028] 1.3 Coated plate printing wages: based on "number of printing colors", "order length in meters", and "whether it is a color block", see the attached "Explanation on Calculation of Coated Plate Printing Output Value" for details.

[0029] 1.4 Hem Folding: Hem folding is only required in the pre-processing of edge-sealing bags for some single-piece production. Calculated based on the order length in meters.

[0030] 1.5 Material Cutting: Only handmade bags require a material cutting step, calculated based on the material, the length of a single bag, and the order quantity.

[0031] 1.6 Bag making wages: mainly divided into three types: side-sealed bag making, bottom-sealed bag making, and handmade bag making.

[0032] Side-sealing bag making: Calculated based on "order length in meters," "whether printing is required," "bag thickness," "bag width," and "bag length." See the attached "Side-Sealing Output Value Calculation Instructions" for details.

[0033] Bottom-seal bag making and side-seal bag making are not much different, except for the different coefficients. See the attached "Explanation of Bottom-Seal Output Value Calculation" for details.

[0034] Handmade bags: The unit price varies depending on the process. The opening of the handmade envelope varies depending on the width of the bag. There are three ways to make a handmade square bottom bag.

[0035] (Ironing with 3 lines, ironing with 4 lines, and ironing the edging). See the attached "Instructions for Calculating the Output Value of Handcrafted Products" for details.

[0036] 2. Automatically generate cost price for each size: Based on the weight of raw materials, wages of workers in each process, freight, taxes (unit price must be filled in to calculate VAT), and allocate factory fixed costs.

[0037] 3. Calculate the unit price for customers: Different algorithms can be selected based on different customers, material thicknesses, printing content, bag making methods, and shipping addresses.

[0038] The white area in the lower right corner automatically displays whether the warehouse has film of the appropriate type and size. ① If so, select the weight of the film to be shipped, fill in the weight of the raw materials shipped when shipping, and fill in the weight of the raw materials returned after the order is completed. Calculate the weight of raw materials consumed and compare it with the theoretical weight consumed in the blue area. Determine the waste during production. ② If not: Issue a blown film order, see section 3 for details.

[0039]

[0040]

[0041] 2. Issuing a delivery note (to be filled out by the office operator)

[0042] Select different work orders and read the style number, size, quantity, and unit price from them. Create a single delivery note.

[0043] Select the same work order and create several delivery orders from the information in different rows.

[0044] III. Material Issuance / Blown Film (to be filled out by the warehouse operator):

[0045] After the order is placed, it will show whether there is plastic film in the warehouse that meets the requirements of material, thickness, width, and EDM. If so, the order number of the shipped tubular material will be displayed; otherwise, a blown film order will be issued.

[0046]

[0047] IV. Production (Reported by workshop workers, filled out by office staff)

[0048] The process includes: blown film, printing, and bag making.

[0049] Each process must be recorded to determine who produced it, facilitating accountability for defective products and wage settlement.

[0050] Workers have requested the option to add this wage payment to their orders, noting the reason for their request.

[0051] V. Shipping (To be filled out by the office shipping staff)

[0052] 1. It can intuitively display completed orders, sorted by customer name, and also display the customer's incomplete orders.

[0053]

[0054]

[0055] 2. Features a pre-selection function. After selecting different work orders, the total weight of the selected portions is displayed, making it easy to determine whether to send via express or logistics, or to find a small or large vehicle. For express or logistics shipments, the system displays the express and logistics freight costs separately (using pre-imported express and logistics quotes).

[0056] Sincerity 0.00 2023 3 27 Dream 0.00 2023 3 27 Silk 0.00 2023 3 27 Needle 2214.75 2023 3 27 Asia 0.00 2023 3 27 Asia 0.00 2023 3 27 three 0.00 2023 3 27 storehouse 0.00 2023 3 27 apparel 0.00 2023 3 27

[0057] 3. After shipment, you can record the shipping date and shipping method. For example: SF Express (including tracking number), Yunda Express (including tracking number), logistics (including tracking number), Lalamove (vehicle license plate number), customer self-pickup, etc. Record shipping costs.

[0058] VI. Order Management (Viewed by administrators)

[0059] 1. It can display reminders to ship orders that have exceeded the delivery date but have not yet been shipped.

[0060] 2. It can display orders that have exceeded the delivery date and are still incomplete, as well as the progress of those orders.

[0061] 3. Calculate the remaining working days for the unfinished parts to facilitate production management.

[0062]

[0063]

[0064]

[0065]

[0066]

[0067]

[0068] VII. Finance (To be filled out by finance personnel)

[0069] Orders without invoices are displayed in chronological order.

[0070] It can filter out specific customers and, within a specified time, the list of items to be shipped and the total price.

[0071] You can select production orders and generate a statement of account immediately.

[0072] VIII. Salary Statistics (Office Staff Statistics)

[0073] The system statistically analyzes and visually displays each person's daily output, and summarizes it by month.

[0074] If a defective product is returned by a customer, the production value of that order will be deducted from the production staff's output.

[0075]

[0076] IX. Customer Statistics (for General Manager's review)

[0077] 1. Compile monthly order data for customers (weight, quantity, output value, profit, etc.);

[0078] 2. Compile monthly order data (weight, quantity, output value, profit, etc.) for designated brand plastic bags.

[0079] 10. Other (for office staff to review)

[0080] 1. Search function: Quickly find the previous order based on the customer's description (size, quantity, order date, etc.).

[0081] 2. Query function: When querying, the progress of all orders of a customer is displayed intuitively.

[0082] 3. Query function: Query all the work done by a worker within a specified time period.

[0083] 4. Query and export functions: Enables querying and exporting all desired information.

[0084] The core algorithm includes algorithms for leather printing output value, coated paper printing output value, side sealing output value, bottom sealing output value, and manual printing output value.

[0085] Output value calculation: as follows:

[0086] Explanation of Leather Printing Output Value Calculation

[0087] The output value of leather printing is calculated as follows:

[0088] Printing output value = Plate changing cost + Printing meter cost + Color changing cost + Copper plate changing cost

[0089] First and foremost, printing quality must be ensured! Rework and reprinting due to printing reasons (insufficient quantity, ink sticking, ink shortage, ghosting, etc.) will not be included in the output value; if a large amount of raw materials are wasted due to ink sticking, ink shortage, ghosting, etc., the output value will be deducted according to the degree of waste.

[0090] I. Replacement wheel fee:

[0091] 1. Under normal circumstances, printing costs 5 yuan for 1 color, 8 yuan for 2 colors, 11 yuan for 3 colors, and 14 yuan for 4 colors. (The number of colors will vary depending on the actual number of colors printed).

[0092] 2. When there are "color blocks", the printing cost is 7 yuan for 1 color, 12 yuan for 2 colors, 17 yuan for 3 colors, and 22 yuan for 4 colors.

[0093] 3. Special cases: ① For those who need vertical seamless leather panels, the leather panel fee is 3 yuan / piece (1 piece for a whole strip).

[0094] ② If a work order has more than 8 numbers or item numbers (excluding 8), the excess amount will be increased by 1 yuan for each number or item number.

[0095] ③ For single prints requiring double-color printing with large four-color blocks, the plate-applying fee is 2 yuan per block.

[0096] Note: Leather panels are generally not charged.

[0097] 4. If there are two or more work orders using the same printing plate and printing at the same time, it can be counted as two or more printing plate changes; if the same printing plate is used in the same work order, it can only be counted as one change.

[0098] II. Printing meter cost:

[0099] 1. Under normal circumstances, the printing cost is 0.007 yuan / meter for 1 color, 0.008 yuan / meter for 2 colors, 0.0085 yuan / meter for 3 colors, and 0.01 yuan / meter for 4 colors.

[0100] 2. When there are "color blocks", the printing cost is 0.01 yuan / meter for 1 color, 0.011 yuan / meter for 2 colors, 0.012 yuan / meter for 3 colors, and 0.014 yuan / meter for 4 colors.

[0101] 3. When rolling dotted lines, the price is 0.006 yuan / meter.

[0102] 4. Special cases: For single sheets with large color blocks requiring double-color printing in four colors, the price is 0.02 yuan / meter.

[0103] III. Color Change Fee:

[0104] Except for black, other colors are considered color replacements, with a color replacement fee of 6 yuan per time, subject to the actual color replacement.

[0105] IV. Other:

[0106] 1. If one person uses two printing presses simultaneously, this should be recorded promptly. That person's piece-rate wage for that day will be reduced by 20%.

[0107] 2. Only when two machines malfunction simultaneously can the time-based recording method be used (repairing machines for XX hours).

[0108] 3. The calculation methods are summarized in the table below:

[0109] Unit (yuan) 1 color 2 colors 3 colors 4 colors General situation 5 + 0.007 * meters 8 + 0.008 * meters 11 + 0.0085 * meters 14 + 0.01 * meters Color blocks 7 + 0.01 * meters 12 + 0.011 * meters 17 + 0.012 * meters 22 + 0.014 * meters

[0110] 4. At the beginning of each month, submit the record book for statistics. After the statistics are completed, issue a work list. After verification and confirmation, sign to confirm and issue output value according to the list.

[0111] Explanation of Copperplate Printing Output Value Calculation

[0112] The output value of coated printing is calculated as follows:

[0113] Copperplate printing output value = plate changing cost + printing meter cost + color changing cost

[0114] First and foremost, printing quality must be ensured! Rework and reprinting due to printing reasons (insufficient quantity, ink sticking, ink shortage, ghosting, etc.) will not be included in the output value; if a large amount of raw materials are wasted due to ink sticking, ink shortage, ghosting, etc., the output value will be deducted according to the degree of waste.

[0115] I. Replacement wheel fee:

[0116] 1. Replacement of copper plate printing rollers: 12 yuan / each (this already accounts for replacement of pressure rollers and doctor blades). When recording, please specify which printing roller was replaced. (The printing roller numbers are 1, 2, 3, 4, 5, 6, in the order of printing from before to after printing).

[0117] II. Printing meter cost:

[0118] 1. Under normal circumstances, the printing cost is 0.0065 yuan / meter (this price already takes into account the costs of changing rolls, adding gas, and changing doctor blades).

[0119] 2. Special case: For full-page printing, the cost is 0.009 yuan / meter.

[0120] 3. Special case: OPP material, printing fee 0.006 yuan / meter

[0121] 4. Special cases: If front and back colors are required, the meterage fee will be determined separately.

[0122] III. Color Change Fee:

[0123] Except for black, other colors are considered color replacements, with a color replacement fee of 6 yuan per time, subject to the actual color replacement.

[0124] IV. Other:

[0125] 1. At the beginning of each month, submit the record book for statistics. After the statistics are completed, issue a workload list. After verification and confirmation, sign to confirm and issue output value according to the list.

[0126] Explanation of the calculation of the output value of the edge sealing

[0127] The output value of the edge sealing project is calculated as follows:

[0128] Side sealing output value = (specification fee + meter fee + difficulty fee) * coefficient

[0129] Quality must be ensured first! Rework caused by bag manufacturing issues (insufficient quantity, large number of waste bags mixed in, etc.) will not be included in the output value.

[0130] I. Specification Fee:

[0131] 1. Under normal circumstances: white bags cost 3 yuan per specification, and printed bags cost 4 yuan per specification. (Different bag sizes are considered different specifications; bags of the same size within the same work order are counted as one specification; bags of the same size in different work orders are considered different specifications.)

[0132] 2. In special circumstances: the specification fee may increase, and the increased portion will be included in the difficulty fee.

[0133] 2. Meter fee:

[0134] 1. Cost of making white bags: 0.009 yuan / meter;

[0135] 2. For the production of printed bags (without color markings), the cost is 0.014 yuan per meter;

[0136] 3. When making printed bags (with color marks), the cost is 0.011 yuan / meter.

[0137] III. Difficulty Fee:

[0138] 1. Pillowcase: Each Specification +7 yuan, +0.0007 yuan per piece;

[0139] 2. Fold-down bottom pocket: Each Specification +10 yuan, +0.001 yuan per piece;

[0140] 3. Pull off a piece: each Specification +5 yuan, +0.0007 yuan per piece;

[0141] 4. PE ≤ 3 mils, paper feed length ≤ 50cm (30cm ≤ paper feed length ≤ 50cm): +0.0005 yuan per meter produced;

[0142] 5. For PE ≤ 3 mils and paper feed length > 50cm: For each section exceeding 50cm, add 0.00015 yuan per cm;

[0143] 6. Thickness > 3 mils, paper feed length ≥ 55cm: For each section exceeding 55cm, add 0.0001 yuan per cm;

[0144] 7. Thickness ≥ 6 mils: +0.0015 yuan per piece;

[0145] 8. Width ≥ 70cm: For any portion exceeding 70cm, an additional 0.00008 yuan will be charged per centimeter for every meter produced;

[0146] 9. Bags with a paper feed length of less than 30cm will be calculated as 30cm in length.

[0147] IV. Coefficients:

[0148] 1. When one person operates the machine alone, the coefficient = 1.

[0149] 2. When two skilled workers cooperate to operate the machine, the coefficient = 0.7

[0150] 3. When a skilled worker and a temporary worker cooperate to operate the machine, the coefficient is 0.75.

[0151] V. Other:

[0152] 1. When a machine malfunctions and there are no other available machines, the time-based record can be kept (machine repair for XX hours).

[0153] 2. At the beginning of each month, a work volume list for the previous month will be issued. After verification and confirmation, the list will be signed and the output value will be issued accordingly.

[0154] Explanation of Bottom Sealing Output Value Calculation

[0155] The output value of the bottom seal is calculated as follows:

[0156] Bottom sealing output value = (specification fee + meter fee + difficulty fee) x coefficient

[0157] Quality must be ensured first! Rework caused by bag manufacturing issues (insufficient quantity, large number of waste bags mixed in, etc.) will not be included in the output value.

[0158] I. Specification Fee:

[0159] 1. Under normal circumstances: white bags cost 2 yuan per specification, and printed bags cost 3 yuan per specification. (Different bag sizes are considered different specifications; bags of the same size within the same work order are counted as one specification; bags of the same size in different work orders are considered different specifications.)

[0160] 2. In special circumstances: the specification fee may increase, and the increased portion will be included in the difficulty fee.

[0161] 2. Meter fee:

[0162] 1. Cost of making white bags: 0.006 yuan / meter;

[0163] 2. When making printed bags, the cost is 0.01 yuan per meter;

[0164] III. Difficulty Fee:

[0165] 1. Folded edge bags: +0.0015 yuan per bag;

[0166] 2. Perforated ironing bag: +0.0015 yuan per bag;

[0167] 3. PE ≤ 3 mils, paper feed length 40cm ≤ 60cm: +0.0003 yuan per meter produced;

[0168] 4. PE ≤ 3 mils, paper feed length ≥ 60cm: +0.0001 yuan per cm per piece;

[0169] 5. Thickness > 3 mils, paper feed length ≥ 70cm: +0.00007 yuan per cm per piece;

[0170] 6. Thickness ≥ 6 mils: +0.0015 yuan per piece;

[0171] 7. Width ≥ 80cm: For every meter produced, add 0.00006 yuan per cm;

[0172] 8. For bags with a paper feed length of less than 30cm, the length shall be calculated as 33cm.

[0173] IV. Coefficients:

[0174] 1. When one person operates the machine alone, the coefficient = 1.

[0175] 2. When two skilled workers cooperate to operate the machine, the coefficient = 0.7

[0176] 3. When a skilled worker and a temporary worker cooperate to operate the machine, the coefficient is 0.75.

[0177] V. Other:

[0178] 1. When a machine malfunctions and there are no other available machines, the time-based record can be kept (machine repair for XX hours).

[0179] 2. At the beginning of each month, a work volume list for the previous month will be issued. After verification and confirmation, the list will be signed and the output value will be issued accordingly.

[0180]

[0181] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A production management algorithm for plastic bags, comprising the following steps: Step 1: The user places an order in the form, entering the material, thickness, size, and quantity of the plastic bags needed, inserting the pattern to be printed, and filling in the printing colors. A single form can contain multiple plastic bags of different sizes. Step 2: Based on the data input from the front end, the table automatically generates data such as the width and weight of the plastic film and the printing rollers required for production using built-in algorithm formulas. Then, a dot matrix printer can be used to print a three-part production process sheet for production use. Step 3: The table will automatically generate the important information for the required plastic bags, one row per size, including: process order number, customer name, order date, expected delivery date, material, thickness, process, size, quantity, printing colors, printing plate number, plastic film width, printing plate wheel size, order urgency, and other special process requirements. This information is copied to another summary table for tracking order progress. Step 4: Track order production progress in real time based on the summary table. The comprehensive information for all orders is directly displayed on the interface. This comprehensive information includes multiple work units: 1) Annual order progress unit; 2) Incomplete orders unit; 3) Undelivered orders unit; 4) Daily order volume unit; 5) Piece-rate wages for workers in each process unit; 6) Order volume for all customers unit; 7) Order volume for a specific customer unit; 8) Annual summary unit. For the annual order progress unit, you need to manually copy the information for each new order and fill in the completion status of each process. The other units are automatically generated. Specifically: 1) The annual order progress unit contains information on all orders within that year, including process order number, manufacturer name, order date, estimated delivery date, material name, material thickness, manufacturing process type, adhesive strip usage, plastic bag size, order quantity, number of printing colors, printing colors, printing plate number, blown film width, plastic film width, plate wheel paper feed length, prepared material weight, actual material weight consumed, printing start date, printer, printing quantity, printing length, printing completion date, material cutting start date, material cutting worker, material cutting quantity, material cutting completion date, bag making start date, bag making worker, bag making quantity, bag making meters, and bag making completion date. The following information is displayed: Unfinished quantity, completion status, remarks, order urgency, number of color changes, color blocks, selling price, total selling price, selling price calculation method, shipping date, shipping method, invoice date, invoice amount, payment receipt date, piece-rate output value for printing, piece-rate output value for side seals, piece-rate output value for bottom seals, piece-rate output value for manual work, ink cost, adhesive strip cost, freight, production time, allocated factory fixed costs, taxes, cost price, profit, profit margin, etc. The functions of this unit are: 1) to check order progress; 2) to calculate selling prices using different pricing schemes for different customers; 3) to check order invoicing and payment status, and to view the profit and loss situation of each order. 2) The "Incomplete Orders" section contains information about incomplete orders, mainly including 5 production processes. Each incomplete process displays: process order number, customer name, order date, estimated delivery date, order size, order quantity, piece-rate wage for this order, days since today, and days overdue. The 5 production processes are printing, side sealing bag making, bottom sealing bag making, hand bag making, and delivery status. The purpose of this section is: 1) Once the corresponding process is completed and the completion date is entered in the annual order progress section, the order will no longer appear in this section; 2) For each process, the "piece-rate wage for this order" column can be summarized to show the specific amount of unfinished work for that process; 3) Workshop production only needs to follow the order sequence in this section to ensure all orders are produced in an orderly manner. 3) The Undelivered Orders section contains statistical information on the delivery status of each order, including manufacturer name, last delivery date, earliest order date, number of days without delivery, number of days since the earliest order, weight of completed but undelivered orders, and weight of uncompleted orders. The purpose of this section is: 1) to sort customers based on the "weight of completed but undelivered orders" to guide shipment; 2) to allow users to select orders to ship within the annual order progress section, displaying the total weight of the selected orders and allowing them to choose the shipping method. 4) The Daily Order Quantity unit contains statistical information on order quantity, including date, leather printing quantity, coated printing quantity, side seal, back seal, manual printing, total, theoretical working days, shipment quantity, and order material usage statistics; the purpose of this unit is to intuitively display the daily order quantity and shipment quantity. 5) The piece-rate wage unit for each process contains statistical information on the piece-rate wages of all workers in the workshop, including name, date, daily piece-rate wage, daily attendance duration, average hourly output, and monthly piece-rate wage summary. This information is automatically generated after the production date and producer of the corresponding process are entered into the annual order progress unit. The functions of this unit are: 1) To intuitively display the daily output and average hourly output of each worker, allowing for penalties for workers with consistently low output or rewards for workers with high output; 2) To calculate the monthly wages of workers, automatically generate all the workload of each worker in the previous month, and print and distribute the data. 6) The "All Customer Orders" unit contains statistical information for all customers, including customer name, total number of orders, total order weight, total order amount, total order profit, and order profit margin. This information is sorted according to these data. The purpose of this unit is: 1) to visually display the order volume for each customer, guiding the factory to prioritize serving major customers; 2) to visually show that some customers have placed fewer orders, reminding sales staff to communicate with customers promptly and recover lost orders. 7) The "Customer Order Quantity" unit contains detailed information about the customer's orders, including customer name, date, total number of orders, total order weight, total order amount, total order profit, and order profit margin. The purpose of this unit is to: 1) display the changes in the specified customer's orders over time in more detail, visually show that some customers have placed fewer orders, and remind sales staff to communicate with customers in a timely manner to recover lost orders; 8) The annual summary unit contains a summary of production information for the entire year. It is first statistically analyzed by month and then summarized into information for the whole year, including the month, total weight of materials consumed in that month, total amount of materials consumed in that month, amount of ink consumed in that month, amount of adhesive strip consumed in that month, freight costs in that month, piece-rate wages for workers in that month, total wages for workers in that month, taxes and fees in that month, sales amount in that month, profit in that month, and profit margin in that month. This unit intuitively displays the profitability of the entire year.

2. An automated production management program for plastic bags, characterized in that... include: The front-end data acquisition module collects order demand data through input boxes containing text and images, and uploads the order demand data to the main control module through a channel based on the TCP / IP secure transmission protocol; The main control module receives various data sent from the front end, processes the data through built-in algorithms, and then outputs the data information such as the types, weights, and sizes of plastic bags required for production, and sends it to the aggregation module. The summary module receives feedback data, lists relevant data in a summary table, and displays the results on the backend presentation layer. Database, back up all data.

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