JobTime5 Level-3

In Level-3 you can add secondary resource constraints such as labor or tools.  Unlike Level-1 and Level-2, Level-3 lets you define finite-capacity secondary resource constraints. You are not limited to labor or tooling, but most clients find these two resources the most essential to represent true shop capacity. In addition, you have the choice to add more secondary resource finite-constraints such as floor-space, electric power or emissions, if your shop needs to recognize such constraints.  

Level-3 adds the following scheduling capabilities:

Standard Features Optional Features Import Features
Resources Calendars / Resource Import Multiple Machines
(Labor, Tool, Standard) Seize & Hold Tools  Import Res Groups
Downstream Capacity Import Seize/Release
Labor / Tool Resource Groups Preserve User Edits
Attend Multiple Machines  

Highlights included in JobTime5's Level-3 Product include the following items:

bulletResources can be a generic group of Labor like e.g. 'Welders' (no personal identity)
bulletResources can be individually named as individual Labor or Tool Resources
bulletResources can be defined as 'Standard' for any other purpose: floor-space, power, emissions, etc.
bulletOptional Feature is to define Labor Skill Groups to show individuals' multiple skills; define a demand on an operation for a group
bulletOptional Feature is to define Tool Family Groups for a group of tools that can perform the same task
bulletOptional Feature is to assign a calendar to a specific labor resource (define a given operator's planned holidays)
bulletOptional Feature is to seize and hold a given resource across a series of operations, e.g. a fixture or cart
bulletOptional Feature is to define a special Resource group to represent operators attending multiple different machines concurrently.

The most commonly used secondary resource constraint is labor.  The Labor Resource can be defined as a "pool" of a limited number of people available (e.g. service workers, packagers, finishers, etc.) This method is useful for lower-skilled labor.  For higher-skilled labor it is attractive to define labor as each individual person being a specific labor resource, each reflected by ID # and/or name.  

Optional features in Level-3 include the powerful feature called "resource groups".   A common example of a labor resource-group is a skill group, such as different skill levels of welding ability.  The same concept can used to model a case of tool-constraints, where multiple different specific tools are interchangeable to meet the same tool-requirement.  An additional kind of labor grouping is to define operators who are attending multiple machines on different shifts.  Level-3's  optional resource grouping features enable a manufacturing company to accurately model and visualize labor-capacity and thereby maximize shop output per labor-hour.  An additional optional feature is to assign a given person a unique calendar to include their planned vacation holidays.  One more very powerful optional feature is the ability to mark a resource as 'Seized' and held across a series of operations until it is then 'Released'.  This models critically limited tooling, such as million-dollar radioactive-proof carts moving from station to station in a nuclear fuel-rod loading facility. Many additional applications can be modeled using the Optional Seize & Release feature of JobTime Level-3.

Level-3 is one of JobTime5's most distinctive features, due to the fact that most scheduling tools on the market today do not fully guarantee that all secondary resources can be scheduled concurrently at a reasonable point in time.  JobTime5 creates a feasible schedule solution with multiple resource constraints at earlier times than those found by job-at-a-time scheduling tools.  This is an indication of how challenging the scheduling of multiple resource constraints can become.  Evidence indicates that JobTime5 schedules multiple constraint problems at much closer times to the order release dates than job-at-a-time scheduling tools.  Even the most expensive ERP-based APS which use job-at-a-time scheduling cannot match JobTime5's functionality in regard to the timely scheduling of secondary resource constraints.    

JobTime5's Schedule Board lets the user defined the number of allowed undo's & re-do's, for example 10 levels of undo-redo.  This means that JobTime5's Schedule Board, you need not worry about making any mistakes on the Schedule Board that you cannot reverse and recover to an earlier point.   To learn more about a specific tradeoff between JobTime's Schedule Board versus JobTime5 Level-3's option to assign labor-specific calendars to labor resources contact us at JobTime Systems, Inc. for more information and mention this tradeoff. 


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