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Published byAugustine Stevenson Modified over 9 years ago
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Delivery date control Includes Sales lead time Uses on-hand and planned supply Triggers explosion Creates orders or kanbans Fixed administrative time None Sales lead timeX ATPX ATP + Issue marginXX CTPXXXX
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Order entry deadline Now Coverage calendar Coverage lead time (+margin) Warehouse calendar Transport calendar Customer calendar Transport time
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Saturday and Sunday are closed in the calendar
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Time Fences setup for CTP Automatic firming of planned orders (Create Production- and Purchase orders) Existing planned orders are not changed when running a new master schedule - they are frozen Futures setting for detecting and reporting delays and scheduling possible (delayed) delivery dates Action setting to optimize inventory carrying cost by proposing changes to existing Production and Purchase orders Capacity evaluation and planning using production route (outside the time fence Inventory lead time is used) Explosion of BOM items to detect derived demands (both material and capacity) Scheduling period
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Enters order line for a produced product with CTP Get CTP warning: Requested ship date can not be meet Earlist posible ship date calculated based on capacity and material availability Why? Susan view what is needed prior to shipping Confirm the date with the customer
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Schedule from date on the kanban schedule board Note that jobs will always be added at the end of the planning periods Schedule forward from date is not limited by the planning fence defined in the production flow model
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February 1 st Susan crates a sales order for Product A Customer wants a receipt date of February 5 th CTP process starts by creating the Event Kanbans Explosion is started and creates Kanban for B and Purchase order for C Futures dates are populated from C -> B -> A Delivery date control dialogue display February 19 th as the first possible date Susan confirm the date with the customer
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Inventory Safety Stock (Minimum of 80 pcs) Fixed Kanbans (4 Kanbans of 20 pcs each) Don’t require MRP Min = 80 20 40 60 80 Quantity Time Supply Demand
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CTP and event kanban can be combined Great for build to order As the event kanban are instantly adjusted to the order this helps to: Deliver what the customer needs, when he needs it Minimize inventory CTP with firming fence leads to some manually clean- up when changes and cancelations occurs Keeping an eye on the actions is needed in this configuration
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