Manufacturing comparisons
Side-by-side comparisons of the manufacturing choices operators actually argue about. Each states its criteria explicitly and names the conditions under which either option is the right one — none declares a winner, because which fits depends on the constraint that binds hardest in your operation.
- A packaged product or software written for your process
Configuring a package against building your own. Whose process bends, who maintains it afterwards, and what an upgrade or a resignation costs.
- Assemble-to-order or make-to-order: how far back the order reaches
Holding a component buffer and assembling on demand, or starting fabrication when the order lands: what each does to lead time and stock.
- Batch or continuous production: run length, changeover and the cost of stopping
Batch or continuous running: how changeover, traceability, startup losses and demand steadiness decide which mode a plant is built around.
- CMMS or EAM: maintaining equipment against managing an asset base
Work orders and preventive schedules for one plant, or an asset lifecycle model across sites: scope, governance and reporting audience.
- Contract manufacturing or your own plant: what you keep and what you can never get back
Placing production with a contract manufacturer or owning the plant: capital, control, scheduling priority and the capability you lose permanently.
- Contracting the factory yourself or working through an agent
Holding a direct manufacturing contract against engaging a representative to arrange it. Liability, price visibility, coordination and who can switch factory.
- Cutting a tool or building a part: two routes to a plastic component
Moulding commits to a steel tool and repays it in cycle time; additive skips the tool and pays per part. Geometry, material and lead time compared.
- Dedicated mechanism or programmable cell: how automation is built
Hard-tooled mechanisms and programmable cells differ on cycle time, what a design change costs, and the skills needed to keep them running.
- Discrete or process manufacturing: which model your systems and controls should assume
Counting units against a parts list, or converting quantities against a formula: what follows for traceability, rework, yield and system design.
- Domestic or overseas production: what distance does to control
How distance changes qualification effort, engineering change propagation, pipeline inventory, IP practicalities and supply base depth.
- Empty site or existing shell: what each decision locks in
New-build and existing industrial buildings constrain different things: layout freedom, programme length, consents, utilities and inherited liability.
- Engineer-to-order or configure-to-order: does every enquiry need an engineer?
Whether each order triggers design work or resolves into a defined option set, and what that does to quoting, lead time and spares.
- Forming a heated sheet or filling a closed cavity
One tool face against two: what that does to feature content, wall thickness control, tool cost, part size and the trimming that follows.
- Hosted by a vendor or running in the plant: where factory software lives
Where production software runs changes what happens when the link drops, who controls updates, how it reaches controllers and who holds the data.
- How much of the chain to own: integrating stages or buying them
Owning upstream and downstream stages against buying them from specialists. Scale per stage, technology risk, internal discipline and reversibility.
- Improving flow or reducing variation: two improvement programmes
One method attacks waiting, movement and queues; the other attacks variation with structured projects. What each needs and where each stalls.
- In-house or contracted maintenance: response, knowledge and the skill you stop having
Employing a maintenance team or contracting the work: availability at the moment of failure, retained knowledge and contract structure.
- Job shop or cells: laying out a plant around machines or around parts
Grouping machines by process or grouping them around a part family, and what each layout does to queues, flow time and skills.
- Make-to-stock or make-to-order: where you park the risk
Make-to-stock or make-to-order: whether you hold finished goods against a forecast or hold capacity against a signed order.
- Mass production or mass customisation: standard units against a designed option space
Converging on standard specifications or offering a defined option space at volume: architecture, order data and failure modes compared.
- Measuring the part or holding the process that made it
Checking finished parts and keeping a process inside its limits answer different questions. Where each earns its cost, and how each fails.
- MES or ERP: which layer should hold what happens on the floor
Where execution belongs: extending a business system down to the shop floor, or putting a manufacturing execution layer beneath it.
- MES or SCADA: order state against equipment state
Supervisory control of equipment against execution management of orders: what each system is responsible for and who maintains it.
- MRP or advanced scheduling: planning with capacity assumed or capacity counted
Time-phased material planning against finite-capacity scheduling: what each assumes about your plant and what data it demands.
- MRP or ERP: a planning tool or a business platform
Buying material planning alone or a full business platform: scope, data prerequisites, implementation reach and what each actually fixes.
- OEM or ODM: whose design, whose tooling, whose exit
OEM or ODM: who owns the drawings, who paid for the tooling, and what actually transfers if you change factory.
- One large plant or several regional ones: shaping the network
Concentrating production in one site or spreading it near demand. Scale, freight, market access, technical depth per site and disruption risk.
- One product's line or equipment several products take turns on
Assigning equipment to a single product or rotating several across it. Changeover loss, contamination control, utilisation risk and costing clarity.
- Ordering tooling from a toolmaker or cutting it yourself
Where moulds, dies and fixtures come from: an external toolmaker's queue or your own toolroom. Repair speed, capability, load and knowledge.
- People at stations or machines on a line: assembling the product
Hands and fixtures against feeders and machines. What each demands of part quality, volume stability, engineering support and safety.
- PLM or ERP: where the product definition lives before it becomes an order
Managing the engineering definition and its changes, or the manufacturing item master and its transactions: which gap costs you more.
- Pouring a shape or cutting one: how a metal part gets its form
Near-net shape from a mould against material removed from solid. Pattern commitment, achievable tolerance, internal integrity and lead time.
- Pressing sheet in a die or profiling it with a beam
A die commits capital and returns cycle time and formed features; a beam profiles any shape from a file. Edges, thickness and revision speed.
- Preventive or predictive maintenance: intervening on a calendar or on evidence
Scheduled intervention against condition-based intervention, and what instrumentation, data and skill the second demands before it repays.
- Private label or white label: exclusivity, specification and who owns the recipe
The working difference between private label and white label: whether the specification is yours alone and who answers for the product file.
- Private label or your own brand: which business a factory is actually in
A producer's choice between filling capacity under customers' brands and creating demand for a brand of its own, and what each demands.
- Proving a setup once against watching a run continuously
A first article proves a setup can make the part; in-process checks prove the run has not moved. Different triggers, scope and evidence.
- QA or QC: designing a defect out versus finding one
Assurance builds the system that makes conformity likely; control judges what came out. What each produces, who owns it, where the words blur.
- Quality software or spreadsheets: what actually forces the change
When a documented spreadsheet system is genuinely sufficient for quality records, and which specific pressures make it stop working.
- Refilling by signal or by calculation on the shop floor
Consumption signals and planned orders trigger material differently. Data each depends on, behaviour under lumpy demand, and how each breaks.
- Renting industrial space or owning the plant you operate
Occupying someone else's building or developing your own changes what you may alter, what you commit, and how you get out.
- Shared workspace or guarded cell: choosing the robot class
Force-limited arms and caged industrial robots solve different problems. Payload, cycle time, guarding, accuracy and who has to program them.
- Toll manufacturing or contract manufacturing: who buys the material
Paying a conversion fee on material you own, or buying a finished article from a maker who bought the inputs: risk, title and yield compared.
- Trading company or direct from the plant: who is on your contract
Buying through a merchant that takes title or contracting the producing plant: visibility, recourse, consolidation and price transparency.
- What authorises the next operation: a plan or a consumed part
Releasing work against a schedule or against downstream consumption. How each handles forecast error, long lead times and unstable supply.