Controlled drawing
Latest revision with dimensions, tolerances, datums, interfaces, material/finish callouts and applicable notes.
01 / Input package
Three Valid Ways to Start a Custom Review
The starting package should identify the controlled source and what must be returned for approval.
Reference sample
Sample identity plus a measurement and approval plan. A physical sample does not replace missing application requirements.
Interface package
Equipment envelope, shaft/bearing/mounting interfaces, operating conditions and the engineering decision still required.
02 / Project sequence
Five Gates From Input to Release
Timing is confirmed after scope and approval requirements are known.
- 01
Input control
Record drawing revision, sample identity, application and expected quantities.
- 02
Feasibility questions
List missing specifications, manufacturability issues and commercial assumptions.
- 03
Proposal definition
State product, process, documents, packaging, exclusions and quotation basis.
- 04
Approval evidence
Agree sample, dimensional record, drawing sign-off or other release method.
- 05
Production handoff
Use the approved input and change-control route for production and delivery.
03 / Specification boundary
Materials, Processes and Tolerances Must Be Confirmed for the Drawing
The planning file mentions several material families, but the provided evidence does not verify a blanket supply range. The site therefore asks for the governing requirement instead of publishing an unsupported capability list.
A
MaterialGrade, standard, condition and required evidence.
B
GeometryDatums, critical characteristics and interfaces.
C
SurfaceFinish, coating, protected areas and appearance criteria.
D
RecordsSampling, report format, certificates and approval signatures.
ARCHIVE / CUSTOM MACHINING04 / Public evidence
Machining Activity Does Not Replace Project-Specific Approval.
The archive shows machining on housing structures. It does not publish the customer drawing, material certificate, tolerance values, measured results or field performance.
Confidential drawing handling
Use the web form for non-confidential PDFs or images. Send CAD files through an agreed channel after first contact, and identify any confidentiality, file-access or retention requirement before transfer.
See the anonymized project archive ↗05 / Start the project review
Send the Latest Controlled Package
Include what you want Runfeng to confirm or return—not only the file itself.
- ControlDrawing number and revision
- ContextApplication and critical interfaces
- ScopePrototype/batch quantity, destination and documents
- DecisionWhat must be approved next