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48 Cards in this Set
- Front
- Back
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What is sustainable Workflow?
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A workflow designed to work as planned for the foreseeable future.
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What do sustainable workflow need tolerances?
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Accommodate fluctuation of demand and production, not just for ideal situation. We need to plan for chaos.
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What is downtime?
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Anytime when equipment is not producing sellable products
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What are some examples of downtime?
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make-ready,
setup, breakdown, maintenance |
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What is capacity?
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Amount of production a workflow or equipment is capable of producing in a given time frame.
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Why is capacity hard to calculate?
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Must account for:
different job constraints, allowance for downtime, human variables |
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How often should capacity calculation be revisited and why?
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Revisited regularly to tighten or relax the tolerances.
Tighten to fit another job. Relaxed for more flexible production movement. |
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What does overworking equipment mean?
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Skipping schedule maintenance, pushing it to the limit.
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What does overworking personnel mean?
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People working in ideal capacity all the time.
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What is load balancing?
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Splitting the work among group of employees, according to their capacity, so it function best way possible.
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What is scheduling?
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When a particular job will be processed through each equipment work centre to meet delivery date
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What is ideal schedule?
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When all equipment are kept busy at its full capacity.
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What does it mean by linear workflow?
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Where one action follow another, at least to some degree.
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What are the 3 ways to meet deadline when it does not follow schedule as planned?
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1. overtime
2. split production time 3. outsource |
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what are the variable that affect scheduling?
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makeready
ganging jobs ink changeovers |
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what is slack time?
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anytime when there's no work or scheduled time for the piece of equipment
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What does a gantt chart do?
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display the amount and timing of a job
Shows you slack time or areas that's under capacity |
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what are the 4 types of scheduling?
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forward
backward load board auto schedule |
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what is forward scheduling?
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you work with the start time and schedule from start to finish
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what is backward scheduling?
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when you work from the due date
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what the most suitable schedule when you have tight deadlines
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backwards
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what is the most suitable if you have a flexible schedule?
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forward
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what is load board?
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amount of work for specific department or equipment, are placed under headings and are added up
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what is auto scheduling?
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it needs lot of data, more suitable for computer integrated manufacturer. MIS report to the system, get update in real time, create schedule for jobs based on specifications
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what is automation?
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operated and control without the need for human interaction. Production and operations can run alone
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what is physical operation?
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hardware that physically does the work
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what are examples of physical operation?
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servos, motors, switches installed in the equipment
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what is electronic automation?
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done by replace or augmenting (better) human with controllers, processes can be completely electronic
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What are the 4 levels of automation?
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1. manual
2. assisted decision 3. automated decision 4. complete automation |
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What is manual automation?
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human make all the decision and options, gives the instructions implemented by machine
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what is assisted decision?
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human and system come up with options, human makes the decision and issue instructions, machine implement
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what is automated decision?
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system comes up with the options and decision, but human have the final say
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what is complete automation?
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system recieves input, comes up with options based on human preset rules, carry out the action
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what are the advantages of automation?
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better quality
more efficient (repeatability) handle more work safer save money |
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Why do we need installation time line?
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to avoid surprises, reduce confusion if change occurs
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what does implementation of technology involve?
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research area that needs automation,
research technology cost benefit analysis installation training bug fixes |
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what are action scripts?
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record steps from one file and implement the same step onto another
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what is OS X automator?
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free mac utility to create simple workflow to automate tasks using applications and software on your computer. it can only direct tasks
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What are the limitation of OS X automator?
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passing the variables
little decision making ability (ie. if then else) |
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what is apple script?
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text scripting language for apple computers
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what's the difference between scripting and program language?
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script is simpler and does not run alone, it commands other apps to do the work.
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what are the advantages of applescript?
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it can work with variable, if then else decision, loops, functions
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What the options for implementing an automation process?
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Build - piece together system from different vendors to create a solution
Buy - talk to vendor to create a solution for you |
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What's the general rule for implementing an automation solution?
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The more unique your workflow, the harder it is to find a solution.
The more standardize, generalized your workflow is, the easier to find the solution |
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What are the physical components of the OnStar?
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sensors,
servos, software |
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What is the HEIRES?
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Heidelberg remote services
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What does the HEIRES do?
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allow Heidelberg to remote access production control on the press to determine what problems you have
it connect service expert to solve your problem |
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What is the advantage of HEIRES?
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- It can solve the problem 90% of the time without sending in repair technician
- reduces downtime |
