{"id":115,"date":"2020-05-12T12:11:58","date_gmt":"2020-05-12T12:11:58","guid":{"rendered":"http:\/\/www.tthk.ee\/inlearcs\/?page_id=115"},"modified":"2022-04-04T09:55:33","modified_gmt":"2022-04-04T09:55:33","slug":"2-bending-cycle-description","status":"publish","type":"page","link":"https:\/\/www.tthk.ee\/inlearcs\/2-bending-cycle-description\/","title":{"rendered":"3.\tRobot bending cycle description"},"content":{"rendered":"
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3.1 Production cycle optimization in a robot-cell<\/strong><\/h4>\n

In general the Production Cycle<\/strong> is a time period during which inventories are being turned by the company into finished good.<\/p>\n

For the company the decrease of the production cycle is desirable. Such dynamics means that the company is decreasing the amount of time needed for turning its average inventories into finished goods. Short operation cycle allows to decrease the share of fixed expenses in each dollar of manufactured goods and provided services. The production cycle is different for different industries and business segments. For example, the production cycle for the windows manufacturing enterprise would be much shorter, than for the automobile manufacturers. For more precise estimation of the company\u2019s financial condition it is reasonable to compare the company\u2019s production cycle with main competitors.<\/p>\n

Production cycle for the whole company is characterized by the total throughput time.<\/p>\n

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TT<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 - \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 machining time (t\u00f6\u00f6tlemisaeg)<\/p>\n

m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 number of manufacturing positions in production route (t\u00f6\u00f6tlemispositsioonide arv toote valmistamisel)<\/p>\n

TK<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 assembly time\u00a0 (koostamisaeg)<\/p>\n

k\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 number of needed\u00a0 positions for assembly fin the production route (erinevate koostamise t\u00f6\u00f6kohtade arv toote valmistamisel)<\/p>\n

TM<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 time for measurements, check time (m\u00f5\u00f5tmise ja kontrolliaeg)<\/p>\n

l\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 number of check positions (erinevate m\u00f5\u00f5tmisoperatsioonide arv)<\/p>\n

TP<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 time for set-up (paigaldusteks\/seadistustusteks kuluv aeg)<\/p>\n

\u03c1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 number of set-up operations in the production process (paigaldus-seadistusoperatsioonide arv)<\/p>\n

TR<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 time for inbound logistics (transpordiaeg)<\/p>\n

n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 transpordioperatsioonide arv<\/p>\n

TO<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 idle time\u00a0 (summaarne ooteaeg)<\/p>\n<\/div>\n

Manufacturing process is a logical sequence of production operations<\/strong>. Production operation is connected with a workplace (Cell). Here we consider on the Cell level.<\/p>\n

Cycle time<\/strong> for the production operation \u2013 is the period required to complete one operation, or to complete a function, job, or task from started to finish\u00a0 in a certain workplace.<\/p>\n

As production tasks are different, different are also the workplaces for fulfilling these tasks, the components of cycle time are depending directly from the character of the duty the workplace is needed to do.<\/p>\n

A cycle time analysis is any method that collects and analyzes time data for a process to improve the total process or system. Cycle time determines the robot production rate for the job. The production rate depends a lot from the workplace management. Prerequisites for effective work are created by choosing the right equipment and designing the layout. Cycle time is in tight correlation with the production cycle organisation in the workplace.<\/p>\n

A production cycle example for machine tending is given below:<\/p>\n