JP5197413B2 - Tire molding command allocation order determination method, tire molding command allocation sequence output device, and tire molding command allocation sequence output processing program - Google Patents
Tire molding command allocation order determination method, tire molding command allocation sequence output device, and tire molding command allocation sequence output processing program Download PDFInfo
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- 238000000465 moulding Methods 0.000 title claims description 167
- 238000000034 method Methods 0.000 title claims description 19
- 238000004073 vulcanization Methods 0.000 claims description 55
- 238000011156 evaluation Methods 0.000 claims description 54
- 238000004519 manufacturing process Methods 0.000 description 22
- 238000007689 inspection Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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Description
本発明は、タイヤ製造の効率化を可能とするタイヤ成型命令割付順序決定方法などに関する。 The present invention relates to a method for determining a tire molding command allocation order that enables efficient tire manufacturing.
タイヤは、プライ、ビード、ブレーカー、トレッドなどの部材を製造する部材製造工程と、部材を張り合わせて生タイヤを成型するタイヤ成型工程と、生タイヤを加硫して製品タイヤを製造する加硫工程と、製品タイヤを検査する検査工程とを経て製造される。すなわち、タイヤの製造工程は、各種の部材製造機により部材を製造する部材製造工程、成型機により生タイヤを成型するタイヤ成型工程、加硫機により生タイヤを加硫する加硫工程、各種検査機械や検査工具などを用いて製品タイヤを検査する検査工程を備える（特許文献１等参照）。
タイヤの製造計画は、タイヤの製造工程の順番とは逆の順番で決める。即ち、まず、様々なサイズ（大きさ及び種類）の生タイヤを加硫するための加硫計画を立て、その加硫計画に基いて様々なサイズの生タイヤを成型するための成型計画を立て、その成型計画に基いて部材製造計画を立てる。タイヤ成型工程では、複数種類の成型機により様々なサイズの生タイヤを成型する。この場合、成型機毎に、成型可能なタイヤのサイズが決まっているので、タイヤのサイズ毎のタイヤ成型命令が、タイヤ成型命令を実行可能な成型機に割り付けられる。
従来、加硫計画における加硫開始時間の早いサイズのタイヤ成型命令から順番にタイヤ成型命令を成型機に割り付けていた。
For tires, a member manufacturing process for manufacturing members such as plies, beads, breakers, and treads, a tire forming process for forming raw tires by bonding the members together, and a vulcanizing process for manufacturing product tires by vulcanizing the raw tires And an inspection process for inspecting a product tire. That is, the tire manufacturing process includes a member manufacturing process for manufacturing a member with various member manufacturing machines, a tire molding process for molding a raw tire with a molding machine, a vulcanization process for vulcanizing a raw tire with a vulcanizer, and various inspections. An inspection process for inspecting a product tire using a machine, an inspection tool, or the like is provided (see Patent Document 1).
The tire production plan is determined in the reverse order of the tire production process. That is, first, a vulcanization plan for vulcanizing raw tires of various sizes (sizes and types) is made, and a molding plan for molding raw tires of various sizes is made based on the vulcanization plan. Based on the molding plan, a member manufacturing plan is made. In the tire molding process, raw tires of various sizes are molded by a plurality of types of molding machines. In this case, since the size of a tire that can be molded is determined for each molding machine, a tire molding command for each tire size is assigned to a molding machine that can execute the tire molding command.
Conventionally, tire molding commands are assigned to molding machines in order from the tire molding command of the size with the fastest vulcanization start time in the vulcanization plan.
従来のように、加硫開始時間の早いサイズのタイヤ成型命令から順番にタイヤ成型命令を成型機に割り付けた場合、つまり、加硫開始時間の早いサイズのタイヤ成型命令の割付順位を優先させた場合においては、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間が多くなることがあり、タイヤ製造の効率化が図れないという問題点があった。例えば、加硫開始時間の早いサイズのタイヤ成型命令を割り付けた成型機が、当該サイズ以外の任意の１つのサイズのタイヤ成型命令を割付可能（実行可能）な唯一の成型機である場合において、上記加硫開始時間の早いサイズのタイヤの成型数が多い成型計画や、当該成型機でのみ成型可能な上記任意の１つのサイズのタイヤの成型数が多い成型計画の場合には、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間が多くなることがあるので、タイヤ製造の効率化が図れないという問題点があった。
本発明は、上記問題点に鑑みてなされたもので、タイヤ製造の効率化が図れるようにすることを目的とする。
As before, when tire molding instructions are assigned to molding machines in order from the tire molding instructions with the fastest vulcanization start time, that is, priority is given to the allocation order of the tire molding instructions with the early vulcanization start time. In some cases, the time required for molding tires of all sizes to be molded according to the molding plan may increase, and there is a problem in that the efficiency of tire manufacture cannot be achieved. For example, in a case where a molding machine assigned with a tire molding command of a size with an early vulcanization start time is the only molding machine capable of assigning (executable) a tire molding command of any one size other than the size, In the case of a molding plan in which the number of tires with a size with an early vulcanization start time is large or a molding plan in which the number of tires of any one size that can be molded only with the molding machine is large, Since the time required for molding tires of all sizes to be molded may increase, there is a problem that the efficiency of tire manufacture cannot be achieved.
The present invention has been made in view of the above problems, and an object thereof is to improve the efficiency of tire manufacture.
本発明に係るタイヤ成型命令割付順序決定方法は、複数の成型機にタイヤのサイズ毎のタイヤ成型命令を割り付けるための割付順序を決めるタイヤ成型命令割付順序決定方法において、成型計画における成型予定の全てのタイヤのサイズ毎に、当該サイズのタイヤを成型可能な成型機の台数情報と、当該サイズのタイヤの加硫開始予定時刻情報とを求めるとともに、台数情報の最小値と加硫開始予定時刻情報の最小値とを求め、これら台数情報、加硫開始予定時刻情報、台数情報の最小値、加硫開始予定時刻情報の最小値を用いて、成型予定の全てのタイヤのサイズ毎の評価値を算出し、当該評価値の小さいサイズのタイヤ成型命令の割付順位を優先させたので、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間を短くできて、タイヤ製造の効率化を図ることができるタイヤ成型命令の割付順序を決めることができる。
評価値は、（Ｋｎ−Ｋｍｉｎ＋１）×（Ｄｎ−Ｄｍｉｎ＋１）により算出されたことにより、評価値による評価の信頼性が向上し、タイヤ製造の効率化を図ることができるタイヤ成型命令の割付順序を決めることができる。
但し；Ｋｎ＝当該サイズのタイヤの加硫開始予定時刻情報
Ｋｍｉｎ＝加硫開始予定時刻情報の最小値
Ｄｎ＝当該サイズのタイヤを成型可能な成型機の台数情報
Ｄｍｉｎ＝台数情報の最小値
本発明に係るタイヤ成型命令割付順序出力装置は、複数の成型機にタイヤのサイズ毎のタイヤ成型命令を割り付けるための割付順序を出力するタイヤ成型命令割付順序出力装置において、タイヤ成型命令割付順序出力装置は、コンピュータとプログラムとにより構成される評価値算出部と表示処理部とを備え、評価値算出部は、成型計画における成型予定の全てのタイヤのサイズ毎の、当該サイズのタイヤを成型可能な成型機の台数情報と、当該サイズのタイヤの加硫開始予定時刻情報とを入力して、台数情報の最小値と加硫開始予定時刻情報の最小値とを算出するとともに、これら台数情報、加硫開始予定時刻情報、台数情報の最小値、加硫開始予定時刻情報の最小値を用いて、成型予定の全てのタイヤのサイズ毎の評価値を算出し、表示処理部は、評価値が小さいサイズのタイヤ成型命令の割付順位を優先させたタイヤ成型命令割付順序を示す情報を出力するので、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間を短くできて、タイヤ製造の効率化を図ることができるタイヤ成型命令の割付順序を出力できる。
複数の成型機にタイヤのサイズ毎のタイヤ成型命令を割り付けるための割付順序を出力させるタイヤ成型命令割付順序出力処理プログラムであって、成型計画における成型予定の全てのタイヤのサイズ毎の、当該サイズのタイヤを成型可能な成型機の台数情報と、当該サイズのタイヤの加硫開始予定時刻情報とを入力して、台数情報の最小値と加硫開始予定時刻情報の最小値とを算出するとともに、これら台数情報、加硫開始予定時刻情報、台数情報の最小値、加硫開始予定時刻情報の最小値を用いて、成型予定の全てのタイヤのサイズ毎の評価値を算出する手段としてコンピュータを機能させる評価値算出処理プログラムと、評価値が小さいサイズのタイヤ成型命令の割付順位を優先させたタイヤ成型命令割付順序を示す情報を出力する手段としてコンピュータを機能させる出力処理プログラムとを備えたので、コンピュータに、タイヤ製造の効率化を図ることができるタイヤ成型命令の割付順序を出力させることができる。
The tire molding instruction allocation order determination method according to the present invention is a tire molding instruction allocation order determination method for determining an allocation order for allocating tire molding instructions for each tire size to a plurality of molding machines. For each tire size, the number of molding machines capable of molding the tire of the size and the estimated vulcanization start time information of the tire of the size are obtained, and the minimum value of the number information and the estimated vulcanization start time information The minimum value of the tire is calculated, and the evaluation value for each size of all the tires scheduled to be molded is obtained using the number information, the vulcanization start time information, the minimum value of the number information, and the minimum value of the vulcanization start time information. Since the priority was given to the order of assignment of small-size tire molding instructions with the evaluation value, it was necessary to mold all size tires planned to be molded according to the molding plan. Made short while, it is possible to determine the assignment order of tire building instructions that can improve the efficiency of the tire manufacturing.
Since the evaluation value is calculated by (Kn−Kmin + 1) × (Dn−Dmin + 1), the reliability of the evaluation based on the evaluation value is improved, and the order of assignment of tire molding instructions that can improve the efficiency of tire manufacturing is determined. I can decide.
Kn = scheduled start time information of tire of the size Kmin = minimum value of vulcanization start time information Dn = number of molding machines capable of molding a tire of the size Dmin = minimum value of number information tire building instruction assignment order output apparatus according to, in a plurality of molding machines tire building instruction assignment order output device for outputting the assignment order for assigning the tire building instruction for each size of tire, tire molding instruction assignment order output device An evaluation value calculation unit configured by a computer and a program, and a display processing unit. The evaluation value calculation unit is a molding capable of molding tires of the size for each tire size to be molded in the molding plan. Enter the number information of the machine and the estimated vulcanization start time information of the tire of the size, the minimum value of the number information and the minimum value of the estimated vulcanization start time information Using the number information, estimated vulcanization start time information, the minimum value of the number information, and the minimum value of the estimated vulcanization start time information, the evaluation value for each size of all tires scheduled for molding is calculated. Since the display processing unit outputs information indicating the tire molding command allocation order that prioritizes the allocation order of tire molding commands with a small evaluation value , the tires of all sizes to be molded according to the molding plan are molded. It is possible to shorten the time required to do this, and to output the order of tire molding instructions that can increase the efficiency of tire manufacture.
A tire molding command allocation sequence output processing program for outputting an allocation sequence for allocating tire molding commands for each tire size to a plurality of molding machines, and for each size of all tires scheduled to be molded in the molding plan Input the number information of molding machines capable of molding tires and the estimated vulcanization start time information for tires of that size, and calculate the minimum number information and the minimum vulcanization start time information. The computer is used as means for calculating the evaluation value for each size of all the tires scheduled to be molded, using the number information, the vulcanization start time information, the minimum value of the number information, and the minimum value of the vulcanization start time information. An evaluation value calculation processing program to be operated and a method for outputting information indicating a tire molding command allocation order in which priority is given to the allocation order of tire molding commands having a small evaluation value. Since an output program causing a computer to function as, the computer can output the assignment order of tire building instructions that can improve the efficiency of the tire manufacturing.
本形態のタイヤ成型命令割付順序決定方法は、設定した成型開始予定時刻から複数の成型機にタイヤの成型を実行させるための成型計画を作成する場合において、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間を短くできて、タイヤ製造の効率化が図れるように、複数の成型機に対するタイヤのサイズ毎のタイヤ成型命令の最適な割付順序を決定する方法である。 The tire molding command allocation order determination method according to the present embodiment creates all the sizes planned for molding according to the molding plan when creating a molding plan for causing a plurality of molding machines to perform tire molding from the set scheduled molding start time. This is a method of determining an optimal allocation order of tire molding instructions for each tire size for a plurality of molding machines so that the time required for molding the tire can be shortened and the efficiency of tire manufacturing can be improved.
本形態のタイヤ成型命令割付順序決定方法では、まず、成型計画において成型予定の全てのタイヤのサイズ毎に、当該サイズのタイヤを成型可能な成型機の台数情報Ｄｎと、当該サイズのタイヤの加硫開始予定時刻情報Ｋｎとを求める。次に、上記台数情報の最小値Ｄｍｉｎと上記加硫開始予定時刻情報の最小値Ｋｍｉｎとを求める。次に、これら台数情報Ｄｎ、加硫開始予定時刻情報Ｋｎ、台数情報の最小値Ｄｍｉｎ、加硫開始予定時刻情報の最小値Ｋｍｉｎを用いて、成型予定の全てのタイヤのサイズ毎の評価値Ｊｎ＝（Ｋｎ−Ｋｍｉｎ＋１）×（Ｄｎ−Ｄｍｉｎ＋１）を求める。この評価値Ｊｎの小さいタイヤ成型命令の割付順位を優先させたタイヤ成型命令割付順序を作成する。当該タイヤ成型命令割付順序は、後述するタイヤ成型命令割付順序出力装置を使用して作成できるが、作業者が作成することも可能である。 In the tire molding command allocation order determination method of this embodiment, first, for each size of all tires scheduled to be molded in the molding plan, the number information Dn of molding machines capable of molding tires of the size and the addition of tires of the size. The sulfur start scheduled time information Kn is obtained. Next, the minimum value Dmin of the number information and the minimum value Kmin of the estimated vulcanization start time information are obtained. Next, using these number information Dn, vulcanization start scheduled time information Kn, the minimum value Dmin of the number information, and the minimum value Kmin of the vulcanization start time information, the evaluation value Jn for each size of all the tires scheduled to be molded. = (Kn−Kmin + 1) × (Dn−Dmin + 1) is obtained. A tire molding command allocation order that prioritizes the allocation order of tire molding commands having a small evaluation value Jn is created. The tire molding command allocation order can be created using a tire molding command allocation order output device described later, but can also be created by an operator.
そして、成型計画を作るためにタイヤ成型命令を割り付ける場合には、上述した評価値Ｊｎの小さいタイヤ成型命令の割付順位を優先させたタイヤ成型命令割付順序に従ってタイヤ成型命令を成型機に割り付ける。これにより、複数の成型機は、割り付けられたタイヤ成型命令を実行して成型計画を実行することになる。 When a tire molding command is allocated to create a molding plan, the tire molding command is allocated to the molding machine according to a tire molding command allocation order that prioritizes the allocation order of the tire molding commands having a small evaluation value Jn. As a result, the plurality of molding machines execute the allocated tire molding command and execute the molding plan.
以下、加硫開始予定時刻情報Ｋｎの決め方の一例を説明する。１日の加硫開始予定時を、例えば、午前１時、午前９時、午後５時の３回に分け、４月３日の午後５時を加硫計画の最初の加硫開始予定時刻情報Ｋｎ（＝Ｋｍｉｎ）とし、このＫｎ（＝Ｋｍｉｎ）を数値（自然数）化して「１」とした場合、４月３日の午後５時に加硫を開始するサイズの生タイヤに関する最小値評価値＝Ｋｎ−Ｋｍｉｎ＋１は、１−１＋１＝１となる。また、４月４日の午前９時の加硫開始予定時刻情報Ｋｎは、４月４日の午前９時が最初の加硫開始予定時である４月３日の午後５時から数えて３回目後の加硫開始予定時なので、「３」となる。従って、４月４日の午前９時に加硫を開始するサイズの生タイヤに関する最小値評価値＝Ｋｎ−Ｋｍｉｎ＋１は、３−１＋１＝３となる。すなわち、加硫計画における任意のサイズの生タイヤに関する加硫開始予定時刻情報Ｋｎが最初の加硫開始予定時（４月３日の午後５時）からｎ回目の加硫開始予定時である場合、任意のサイズの生タイヤに関する加硫開始予定時刻情報Ｋｎ＝「ｎ」というように数値（自然数）化する。例えば、任意のサイズの生タイヤに関する加硫開始予定時刻が４月５日の午前９時であれば、この時刻は、最初の加硫開始予定時（４月３日の午後５時）から６回目の加硫開始予定時であるので、当該任意のサイズの生タイヤに関する加硫開始予定時刻情報Ｋｎは、「６」となる。 Hereinafter, an example of how to determine the vulcanization start scheduled time information Kn will be described. The scheduled vulcanization start date for one day is divided into three times, for example, 1:00 am, 9:00 am, and 5:00 pm, and 5:00 pm on April 3 is the first vulcanization plan scheduled time information. If Kn (= Kmin) is converted to a numerical value (natural number) and set to “1”, the minimum evaluation value for a raw tire of a size that starts vulcanization at 5 pm on April 3 = Kn-Kmin + 1 is 1-1 + 1 = 1. Moreover, the vulcanization start scheduled time information Kn at 9:00 am on April 4 is 3 counted from 5:00 pm on April 3 when 9:00 am on April 4 is the first scheduled vulcanization start time. It is “3” because it is scheduled to start vulcanization after the second round. Therefore, the minimum value evaluation value = Kn−Kmin + 1 for a raw tire of a size starting vulcanization at 9 am on April 4 is 3-1 + 1 = 3. That is, when the vulcanization start scheduled time information Kn regarding the raw tires of any size in the vulcanization plan is the first vulcanization start scheduled time from the first vulcanization start scheduled time (5 pm on April 3) The vulcanization start scheduled time information Kn = “n” regarding the raw tire of any size is converted into a numerical value (natural number). For example, if the scheduled vulcanization start time for a raw tire of any size is 9:00 am on April 5, this time is 6 from the first vulcanization scheduled start time (5 pm on April 3). Since it is the time when the vulcanization start is scheduled for the second time, the vulcanization start scheduled time information Kn regarding the green tire of any arbitrary size is “6”.
台数情報Ｄｎは、任意のサイズの生タイヤを成型可能な成型機の台数そのものを数値（自然数）化した。 The number information Dn is a numerical value (natural number) of the number of molding machines that can mold a raw tire of any size.
尚、評価値Ｊｎの算出式＝（Ｋｎ−Ｋｍｉｎ＋１）×（Ｄｎ−Ｄｍｉｎ＋１）における「＋１」は、（Ｋｎ−Ｋｍｉｎ＋１）及び（Ｄｎ−Ｄｍｉｎ＋１）が「０」にならないように補正するための補正係数である。仮に、評価値Ｊｎの算出式を（Ｋｎ−Ｋｍｉｎ）×（Ｄｎ−Ｄｍｉｎ）とした場合において、Ｋｎ＝Ｋｍｉｎの場合やＤｎ＝Ｄｍｉｎの場合、評価値Ｊが「０」となり、また、（Ｋｎ−Ｋｍｉｎ）及び（Ｄｎ−Ｄｍｉｎ）のうちの一方の値が大きくても、評価値Ｊが「０」となるので、評価値Ｊｎの意味を果たさなくなるからである。即ち、最小値評価値が「０」にならないように補正するための補正係数を加味した算出式＝（Ｋｎ−Ｋｍｉｎ＋１）×（Ｄｎ−Ｄｍｉｎ＋１）によって評価値Ｊｎを算出したので、評価値Ｊｎによる評価の信頼性が向上する。 Note that “+1” in the calculation formula of the evaluation value Jn = (Kn−Kmin + 1) × (Dn−Dmin + 1) is a correction for correcting (Kn−Kmin + 1) and (Dn−Dmin + 1) so as not to be “0”. It is a coefficient. If the calculation formula of the evaluation value Jn is (Kn−Kmin) × (Dn−Dmin), the evaluation value J is “0” when Kn = Kmin or Dn = Dmin, and (Kn This is because even if one of the values of (−Kmin) and (Dn−Dmin) is large, the evaluation value J becomes “0”, so that the meaning of the evaluation value Jn is not fulfilled. That is, the evaluation value Jn is calculated by the calculation formula = (Kn−Kmin + 1) × (Dn−Dmin + 1) in consideration of the correction coefficient for correcting the minimum value evaluation value not to be “0”. Reliability of evaluation is improved.
図１を参照し、タイヤ成型命令割付順序決定方法を実現するタイヤ成型命令割付順序出力装置１について説明する。タイヤ成型命令割付順序出力装置１は、コンピュータとプログラムとにより構成される評価値算出部２と表示処理部３とを備える。評価値算出部２は、成型計画において成型予定の全てのタイヤのサイズ毎の、上記台数情報Ｄｎ及び加硫開始予定時刻情報Ｋｎを入力して、台数情報の最小値Ｄｍｉｎ、加硫開始予定時刻情報の最小値Ｋｍｉｎを算出し、成型予定の全てのタイヤのサイズ毎の評価値Ｊｎを算出する。表示処理部３は、図２に示すように、評価値Ｊｎの小さいサイズのタイヤ成型命令の割付順位を優先させたタイヤ成型命令割付順序を示す情報としての割付順序一覧表、即ち、評価値Ｊｎの小さいサイズのタイヤ成型命令ほど割付順位を上位にし、評価値Ｊｎの大きいサイズのタイヤ成型命令ほど割付順位を下位にした割付順序一覧表を、図外の表示装置の表示画面に出力表示させたり、図外の印刷用紙に印字出力表示させたりする。
With reference to FIG. 1, a tire molding command allocation
評価値算出部２は、コンピュータと、上記評価値Ｊｎを算出する手段としてコンピュータを機能させる評価値算出処理プログラム４とにより構成される。表示処理部３は、コンピュータと、評価値Ｊｎが小さいサイズのタイヤ成型命令の割付順位を優先させた割付順序一覧表を出力する手段としてコンピュータを機能させる表示処理プログラム５とにより構成される。
The evaluation
図２は、設定した成型開始予定時刻から所定時間内での成型計画を作成する場合において、評価値Ｊｎの小さいサイズのタイヤ成型命令の割付順位を優先した場合の割付順序一覧表を示す。図３は、上記所定時間内での成型計画を作成する場合において、（Ｋｎ−Ｋｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先した場合の割付順序一覧表を示す。図４は、上記所定時間内での成型計画を作成する場合において、（Ｄｎ−Ｄｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先した場合の割付順序一覧表を示す。図２乃至図４の表においては、表のタイヤサイズのタイヤ成型命令を上から順番に割り付けることを示している。 FIG. 2 shows an allocation order list when priority is given to the allocation order of tire molding instructions having a small evaluation value Jn when creating a molding plan within a predetermined time from the set molding start scheduled time. FIG. 3 shows an allocation order list when priority is given to the allocation order of tire molding instructions having a small value of (Kn−Kmin + 1) when creating a molding plan within the predetermined time. FIG. 4 shows an allocation order list when priority is given to the allocation order of tire molding instructions having a small value of (Dn−Dmin + 1) when creating a molding plan within the predetermined time. In the tables of FIG. 2 to FIG. 4, it is shown that the tire molding instructions of the tire sizes in the tables are assigned in order from the top.
上記所定時間内での成型計画を作成する場合において、図２に示すように、評価値Ｊｎの小さいサイズのタイヤ成型命令の割付順位を優先した場合の割付順序で成型計画を作成した場合、成型計画において成型予定の全てのサイズのタイヤ成型命令を所定時間内に割り付けることができたが、図３に示すように、（Ｋｎ−Ｋｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先してタイヤ成型命令を割り付けた場合、図４に示すように、（Ｄｎ−Ｄｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先してタイヤ成型命令を割り付けた場合には、いずれも、成型計画において成型予定の全てのサイズのタイヤ成型命令のうち、所定期間内に割り付けられず残ったサイズの成型命令が発生した。
つまり、評価値Ｊｎの小さいサイズのタイヤ成型命令の割付順位を優先したタイヤ成型命令割付順序でタイヤ成型命令を割り付けた場合には、（Ｋｎ−Ｋｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先してタイヤ成型命令を割り付けた場合や、（Ｄｎ−Ｄｍｉｎ＋１）の値の小さいサイズのタイヤ成型命令の割付順位を優先してタイヤ成型命令を割り付けた場合と比べて、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間を短くできて、タイヤ製造の効率化が図れることがわかった。
When creating a molding plan within the predetermined time, as shown in FIG. 2, if the molding plan is created in the order of assignment when priority is given to the order of assignment of tire molding instructions with a small evaluation value Jn, In the plan, tire molding instructions of all sizes scheduled to be molded could be allocated within a predetermined time, but as shown in FIG. 3, priority is given to the allocation order of tire molding instructions having a small value of (Kn−Kmin + 1). When the tire molding command is allocated, as shown in FIG. 4, when the tire molding command is allocated with priority given to the allocation order of tire molding commands having a small value of (Dn−Dmin + 1), In the molding plan, among the tire molding instructions of all sizes scheduled to be molded, a molding instruction of the remaining size that was not allocated within a predetermined period was generated.
In other words, when tire molding instructions are assigned in a tire molding instruction allocation order that prioritizes the allocation order of tire molding instructions with a small evaluation value Jn, the allocation of tire molding instructions with a small value of (Kn−Kmin + 1). Molding according to the molding plan, compared with the case where the tire molding command is assigned with priority given, or when the tire molding command is assigned with priority given to the tire molding command with a smaller value of (Dn−Dmin + 1). It has been found that the time required for molding tires of all sizes to be planned can be shortened and the efficiency of tire production can be improved.
尚、評価値Ｊｎの小さいサイズのタイヤ成型命令の割付順位を優先した割付順序一覧表の割付順序に従ってタイヤ成型命令を成型機に割り付ける割付作業は、作業者が、すべての成型機を制御する図外の制御装置に当該割付順序を読み込ませることにより、制御装置は、割付順序に従ってタイヤ成型命令を成型機に実行させる。これにより、成型計画によって成型する予定の全てのサイズのタイヤを成型するのに必要な時間を短くできて、タイヤ製造に要する全体時間を短縮できるので、タイヤ製造の効率化が図れる。 In addition, in the assignment work in which the tire molding instructions are assigned to the molding machines according to the allocation order in the allocation order list in which the priority is given to the tire molding instructions having a small evaluation value Jn, the worker controls all the molding machines. By causing the other control device to read the allocation order, the control device causes the molding machine to execute a tire molding command in accordance with the allocation order. As a result, the time required for molding tires of all sizes to be molded according to the molding plan can be shortened, and the overall time required for tire production can be shortened, so that the efficiency of tire production can be improved.
評価値Ｊｎを算出式＝（Ｋｎ−Ｋｍｉｎ＋１）×（Ｄｎ−Ｄｍｉｎ＋１）で算出したが、（Ｋｎ−Ｋｍｉｎ＋１）と（Ｄｎ−Ｄｍｉｎ＋１）とを用いた評価値を用いればよく、例えば、算出式＝（Ｋｎ−Ｋｍｉｎ＋１）＋（Ｄｎ−Ｄｍｉｎ＋１）で算出した評価値を用いてもよい。 Although the evaluation value Jn is calculated by the calculation formula = (Kn−Kmin + 1) × (Dn−Dmin + 1), the evaluation value using (Kn−Kmin + 1) and (Dn−Dmin + 1) may be used. For example, the calculation formula = An evaluation value calculated by (Kn−Kmin + 1) + (Dn−Dmin + 1) may be used.
１ タイヤ成型命令割付順序出力装置、２ 評価値算出部、３ 表示処理部、
４ 評価値算出処理プログラム、５ 表示処理プログラム。
1 tire molding command allocation order output device, 2 evaluation value calculation unit, 3 display processing unit,
4 evaluation value calculation processing program, 5 display processing program.
Claims (4)
但し；Ｋｎ＝当該サイズのタイヤの加硫開始予定時刻情報
Ｋｍｉｎ＝加硫開始予定時刻情報の最小値
Ｄｎ＝当該サイズのタイヤを成型可能な成型機の台数情報
Ｄｍｉｎ＝台数情報の最小値 The tire molding command allocation order determination method according to claim 1, wherein the evaluation value is calculated by (Kn−Kmin + 1) × (Dn−Dmin + 1).
However, Kn = Scheduled start time information of tire of the size Kmin = Minimum value of scheduled time of vulcanization start Dn = Number of molding machines capable of molding the tire of the size Dmin = Minimum value of the number information
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