Unit 3 - The Management of Operations Flashcards
What is meant by the term operations?
takes raw materials (inputs) and puts them through a variety of processes to turn them into the finished product/service (outputs).
Define stock
any item stored by a business for use in production or sales. Stock can be:
• raw materials and components waiting to be used in the manufacturing process, e.g. tyres stored by a car factory
• finished goods held in store so that a customer order can quickly be met from stock
What is stock control?
aims to hold sufficient items on site to enable production while minimising stock holding costs.
What are the factors to consider when choosing a supplier?
- cost – how much the suppliers are charging for their goods/materials
- time – how long it takes between them placing orders for the suppliers to deliver them to the business
- location – where the supplier is based in comparison to the business
- quality – the level of quality of the goods/materials being provided; better the quality of materials will produce better quality final products
- reliability – If they will supply the necessary goods that have been ordered when they say they will
- reputation – what people think of the business; if they have a poor reputation people will be less likely to use them
What are the consequences of having too much stock?
- high costs e.g. storage, security, insurance
- space could be used for something else
- money tied up in stock
- damage/deterioration with age
- changes in taste could make it obsolete
- high chance of theft
What are the consequences of having too little stock?
- difficult too cope with changes in demand
- late deliveries may result in an inability to meet orders or halt production
- may have to order more often therefore higher admin cost
- damage to reputation is orders are not met
- loss of sales as customers may go elsewhere when orders cannot be met
What are the features of an inventory management system?
Minimum stock level Maximum stock level Lead time Re-order level Re-order quantity Buffer stock
What is the maximum stock level in an inventory management system?
the highest level of stock that should be held at one time. This is the optimal level as costs are minimised and storage space and finance is utilised effectively.
What is the minimum stock level in an inventory management system?
the lowest level of stock held which should not fall below. This ensures shortages should not happen which can result in production halting.
What is the lead time in an inventory management system?
the time between when an order is placed and when the stock arrives. This needs to be taken into account so order times can be set to avoid disruption.
What is the re-order level in an inventory management system?
the level which stock should be re-ordered at. This takes inro account usage and lead time. This is ordered before stock hits minimum therefore ensuring effective production.
What is the re-order quantity in an inventory management system?
the amount that is ordered when the re-order level is reached. This will take stock back up to maximum level once it is delivered.
What is the buffer stock in an inventory management system?
the stock used to keep production going during lead time.
How can a business decide on stock levels?
- ensure production continues
- how much stock the business is currently holding
- time between orders
- amount of raw materials that will be used between orders
- storage space avaliable
- cost of storage
- spoilage time of product
- avaliable finance
What is just in time?
when a business holds no stock and instead relies upon deliveries of raw materials and components to arrive exactly when they are needed
What are the benefits of just in time inventory?
- No money is tied up in inventory meaning it can be used elsewhere in the business
- Less storage space/warehousing is required which will reduce costs
- Reduced wastage as less risk of stock going out of date or out of fashion
- Lower inventory levels are easier to monitor leading to less risk of theft
What are the costs of just in time inventory?
- Delay in receiving orders from suppliers will lead to production having to stop
- Lose out on economies of scale as fewer bulk orders will be required
- Stock being delivered frequently increases administration and delivery costs
- Difficulty coping with unexpected changes to demand leading to a loss of sales
- Frequent delivery of stock increases carbon footprint damaging the image of the business
What is centralised stock control?
this means keeping stock in one place.
What are the advantages of centralised stock control?
- Improved security as specialist staff can be used
- Reduced costs (bulk purchases = economies of scale)
- Lower transport and admin costs as fewer orders
- Less duplication of stock held
What are the disadvantages of centralised stock control?
- High costs incurred due to specialist equipment and large storage facilities
- May incur increased delivery times and delays in receiving stock to departments
- Increased wage costs as specialist staff are required to manage the storage and distribution of stock
- Harder to meet specific requirements of specialised departments within the company
- Storing large amounts of stock may increase the chance of wastage
What is de-centralised stock control?
this means keeping stock in more than one place e.g. each different shop/warehouse location
What are the benefits of decentralised stock control?
- Inventory is accessible so no delay in receiving required goods
- Small amounts of stock being held prevents wastage
- Departments are more responsive to local needs and changes in the market
What are the disadvantages of de-centralised stock control?
- Increased delivery costs due to low amounts of inventory being delivered to multiple locations
- Security may not be as effective leading to increased theft
- No specialist staff dealing with stock may lead to disorganisation and delays
What is job production?
A one off, unique product is made to meets customers specifications. Finished before another is started. E.g. a wedding cake, a piece of artwork.
What are the advantages of job production?
- Allows high prices to be charged
* Allows specifications to meet customers’ needs
What are the disadvantages of job production?
- Highly skilled workers are required
* Slower than other methods
What is batch production?
When a group of identical products are made at one time, then switched to a different variety. E.g. bread-whole-meal, wholegrain and white or different sized clothes.
What are some advantages of batch production?
- Specialist machinery can be used
* More variety than job