DOKOSOKO From Design to Production
Contract Manufacturing Processes Materials Procurement Industries Guides Resources
Production Tooling Control

Paying for tooling does not define every ownership term.

Manufacturing tooling can include molds, dies, fixtures, gauges, patterns, workholding, dedicated equipment, and other production assets that may remain at a supplier throughout the life of a manufacturing program.

Tooling Questions

Ownership should address the full life of the production asset, not only the initial invoice.

Who owns it?OWNERSHIP
Who maintains it?MAINTENANCE
Where is it stored?CONTROL
Who may use it?ACCESS
Can it be transferred?EXIT
Tooling Types

Different production processes create different tooling costs, risks, and maintenance requirements.

01

Molds

Injection molds, casting dies, forming tools, and related assets may require major up-front investment and long service lives.

02

Fixtures

Machining, welding, assembly, inspection, or test fixtures may be designed specifically around one customer's geometry.

03

Gauges

Custom gauges and checking fixtures may be required to measure production features consistently and efficiently.

04

Patterns

Casting, forming, composite, or related processes can rely on production patterns and master geometry.

05

Dedicated Workholding

Custom jaws, nests, pallets, clamps, locating systems, or other workholding may support repeatable production.

06

Digital Tooling Assets

Programs, parameter sets, inspection routines, automation logic, or other digital production assets may also require defined access and control.

Ownership Terms

Define what happens while the tooling is active, idle, damaged, obsolete, or transferred.

01
Legal ownership

State clearly whether the customer, supplier, or another party owns the asset and when ownership begins.

02
Identification

Customer-owned tooling can be marked or recorded so it is distinguishable from supplier-owned production assets.

03
Maintenance

Define routine upkeep, repair, preventive maintenance, replacement components, and who pays for each activity.

04
Storage

Clarify where tooling is stored, how it is protected, and whether inactive tooling creates storage obligations or charges.

05
Usage restrictions

Specify whether customer-funded tooling may be used only for the customer's authorized production.

06
End-of-life disposition

Define transfer, return, destruction, obsolescence, retention, and disposal requirements when production ends.

Tooling Lifecycle

Tooling is a production asset with its own schedule, wear, records, and replacement risk.

A tool may need design approval, construction, qualification, maintenance, repair, revision, storage, transfer, or eventual replacement during the life of the program.

Tool design and approval
Construction and initial qualification
Routine production use
Preventive maintenance and repair
Revision or engineering change
Transfer, replacement, or end-of-life disposition
01Design & Build
02Qualify
03Produce
04Maintain
05Transfer or Retire
Tool Transfer

Tooling transfer is easier when ownership and documentation were defined before the relationship changed.

01

Physical Condition

Document tool condition, wear, modifications, missing components, maintenance history, and remaining service concerns.

02

Associated Documentation

Transfer may require drawings, tool files, setup records, process parameters, maintenance information, inspection programs, or replacement-part details.

03

Compatibility

A tool designed around one supplier's machine, press, molding system, or automation may require adaptation at another facility.

04

Requalification

Moving a tool can require new samples, process validation, first articles, dimensional review, or customer approval before production resumes.

Tool ownership is one part of protecting the manufacturing program.

Product drawings, CAD data, process knowledge, prototypes, technical documents, and supplier access can also raise intellectual-property questions.

Intellectual Property →