CNC Polishing at VT machining covers a broad range of metals and grades, each processed to your drawing with parameters tuned to the alloy.
CNC polishing refines surfaces to a smooth, reflective finish for cosmetic and functional needs. Because the same engineers handle quoting, programming and inspection, nothing is lost between your drawing and the finished part.
Design your CNC Polishing part online — free 3D + 2D drawing builder
No CAD licence, no sign-up, no cost. Set your metal, dimensions and features in the browser, see the part update live in 3D, switch to 2D to add dimensions and tolerances, then send the drawing straight to our cnc polishing team for a quotation.
Live 3D preview — rotate, zoom and explode the model as you type
Built-in 2D drawing sheet with dimensions, tolerances and notes
Download the preview or send it with your RFQ in one click
Free to use, unlimited revisions, nothing to install
VT CNC Machining3D
Custom CNC Machining BuilderConfigure any custom precision machined metal part not covered by the other process builders: choose metal, shape, size, thickness, optional holes and finishing, then add notes or attach a drawing at RFQ. Every builder includes the Freeform Corner & Region Editor: cut or add material of any shape directly on the 3D model, then submit an RFQ.This tool is for visual configuration only. Final dimensions, tolerances, materials, coatings, and manufacturability will be reviewed from your drawing or specification.
Paste a configuration JSON (from Export) or a copied RFQ summary. The product and all recognized parameters are applied automatically; unknown parameters are listed and skipped.
Answer the choices below step by step — every value comes from the real option list, so it always renders.
Save the current configuration under a name and recall it any time on this device.
2D PreviewYour browser is showing a simplified engineering preview because WebGL is unavailable.
Custom CNC Machining Builder
Interactive visual preview for custom CNC machining configuration.
CMD
Import Code (One-Click Recall)
Save this code before you leave — it is the only way to recall this exact model. If you lose it, your configuration cannot be restored.
SUBMIT RFQ — ENGINEERING REVIEWYour current 3D configuration and specification summary are attached automatically. Attach a drawing if you have one.
FREQUENTLY ASKED QUESTIONSWhat if my part does not match any standard process builder?
Use the Custom CNC Machining Builder: choose the metal, shape (including ring or drawing-defined outline), size, thickness, optional holes, slots and finishing, set a tolerance, preview it in 3D and attach a drawing to the RFQ. Our engineers pick the best process route.
Which metals can the custom builder use?
Aluminum, stainless and carbon steels, tool steels, brass, copper, titanium, tungsten, molybdenum, Invar/Kovar and nickel alloys, or a named custom alloy such as Inconel 718 or Hastelloy.
CNC Polishing refines an already-machined surface in controlled stages, each removing the marks left by the previous one, until the target roughness, edge condition and appearance are reached — without disturbing the part's critical dimensions.
VT machining runs CNC Polishing in-house, so scheduling, quality and revisions stay under one roof. CNC polishing refines surfaces to a smooth, reflective finish for cosmetic and functional needs — and the parameters are set from your material and geometry, not a default recipe. Send a CAD model or a 2D print and we will confirm feasibility, tolerances and lead time before you commit.
How CNC Polishing Works at VT machining
Abrasive media or tooling refine the metal surface in controlled stages, removing the previous step's marks until the target roughness and edge condition are reached.
Every job begins from your CAD model or 2D drawing. Fixturing and tool paths are planned so the most critical dimensions are produced in the most rigid, repeatable setup. Critical dimensions are checked on the first part and monitored through the run.
1
Send your drawing
CAD model, PDF print — or a drawing you build free on this page. We reply with feasibility, price and lead time.
2
Stage plan & masking
Abrasive stages and any masking are planned to reach the target Ra without over-processing.
3
CNC Polishing run
First article is verified against the print before the balance of the batch is released.
4
Inspection & dispatch
In-process checks plus final inspection, with CMM reports, mill certs and FAIR on request.
CNC Polishing Tolerances & Surface Finish
Finishing brings metal to a defined roughness target — from a uniform satin to Ra values as low as 0.05 µm — with controlled, repeatable edge breaks.
Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.
CNC Polishing — capability summary
Target roughness
Ra 0.05–0.8 µm
Edge break
0.05–0.5 mm, controlled and consistent
Methods
Vibratory, abrasive belt, stone, buff, blast
Masking
Selective masking of sealing and datum faces
Batch size
Prototype to high volume
Lead time
Prototypes 5–10 days · production 10–20 days
Documentation
Dimensional report, material certificate, FAIR on request
Figures are typical in-house capability. Send your drawing and we will confirm what is achievable for your specific part.
CNC Polishing by Metal — Choose Your Material
Choose a metal below for grade-level detail, achievable tolerances and typical parts in that material.
Small design adjustments often cut cost and lead time. Telling us the target Ra, the cosmetic faces and any masking needs lets us finish metal efficiently without over-processing. If you send your model early, we will return practical DFM feedback before you commit to production.
Secondary Operations & Finishing
Most metal parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.
CNC Polishing Quality & Inspection
Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.
Industries That Order CNC Polishing
CNC Polishing parts made by VT machining go into the sectors below. Each page lists the typical components, preferred alloys and the tolerance expectations for that industry.
5-axis machining centre in cut — CNC Polishing at VT machiningLaser cutting aluminium sheet — CNC Polishing at VT machiningFiber laser cutting sheet metal — CNC Polishing at VT machining
Ordering metal parts is straightforward. Provide the drawing, material, quantity and any certification needs. Our engineers reply — in English — with feasibility, pricing and a realistic lead time, usually within one business day.
Have a drawing ready? Send it with your quantity and material for a quotation, usually within one business day.
Most CNC Polishing work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is the typical lead time and minimum order for CNC Polishing?
CNC Polishing prototypes for can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
What tolerances can you hold for CNC Polishing?
Achievable tolerances for CNC Polishing depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.
What surface finish is achievable on with CNC Polishing?
Our finishing processes refine the part surfaces to Ra values as low as 0.05 µm for cosmetic or sealing faces.
Can VT machining make custom parts to my drawing?
Yes. CNC Polishing is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.
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