A CNC machining quote is not just a price for cutting material. It is a plan for how the part will be reviewed, programmed, held, machined, inspected, and delivered. The clearer the quote package is up front, the fewer assumptions have to be made before work starts.
Start with the best definition of the part
A PDF print is useful, but a usable CAD model can remove substantial ambiguity. STEP, IGES, SolidWorks, or another suitable model lets the shop review geometry, tool access, setup approach, and features that may not be obvious from a flat drawing alone.
Include the current revision and identify which document controls the job. A complete package helps prevent the wrong model, an outdated print, or an unstated requirement from becoming a production issue.
Call out the details that drive the process
Material, quantity, due date, finish requirements, revision level, and critical tolerances all affect the machining plan. If a dimension controls fit or function, mark it clearly. If a feature can use a practical tolerance instead of an unnecessarily tight one, that can change setup time, inspection effort, and cost.
Delivery expectations matter too. State whether the request is for a one-time part, a short run, or repeat production, and include any packaging or delivery requirements that affect the finished job.
Match the quote package to the type of work
The right information depends on what SSI is being asked to machine:
- New part from print or CAD: Include the drawing, model, material, finish, critical features, quantity, and delivery target.
- Repair, replacement, or rework: Include photos, sample-part context, worn areas, mating features, critical dimensions, and what must still function after the work is complete.
- Short run or repeat production: Include expected batch quantities, fixture needs, inspection frequency, packaging, reorder expectations, and revision-control requirements.
A sample part can help, but it should be paired with the context needed to understand fit, function, and acceptable variation.
State inspection needs before the job starts
In-process checks, final inspection records, material traceability, first-article documentation, or other records should be identified during quoting. When those requirements are known early, they can be included in the machining and inspection plan instead of added after the job is already moving.
Send the shortest useful quote package
Before requesting a quote, assemble the essentials:
- Current drawing and usable CAD files
- Material and quantity
- Critical tolerances and functional features
- Finish and inspection-documentation requirements
- Due date and delivery expectations
- Photos or sample context for repair and rework requests
Review SSI's CNC machining capabilities.
Ready to quote the work? Send SSI the part requirements.