Looking for reliable CNC Gear Grinding Spring Steel? VT machining manufactures Spring Steel parts to tight tolerances and consistent quality. Spring Steel is high yield strength and elastic recovery, so the process is set up specifically for the material.
CNC Gear Grinding Capability for Spring Steel
- DIN/AGMA accuracy class
- Profile & lead correction
- Hardened-gear finishing
- Low transmission noise
Spring Steel Material Data
| Density | 7.85 g/cm³ |
|---|---|
| Tensile strength | 1200–1700 MPa |
| Yield strength (0.2%) | 1000–1500 MPa |
| Hardness | 44–50 HRC (tempered) |
| Melting point | 1425 °C |
| Thermal conductivity | 46 W/m·K |
| Thermal expansion | 11.4 ×10⁻⁶/K |
| Electrical conductivity | 8% |
| Machinability (C36000 = 100%) | 40% (annealed); grind or EDM when hardened |
| Grades we run | 1074, 1095, 65Mn, 60Si2Mn, 301 spring temper, 17-7PH |
Published typical values for 1095 / 65Mn. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.
Springback. Formed features are over-bent by a calculated amount; on flat springs we etch or wire-EDM instead of punching so the temper is untouched.
How CNC Gear Grinding Spring Steel Works
Tooth profiles are generated in the Spring Steel blank by a synchronised cutter, then refined to the required accuracy class. Module, pressure angle and helix are programmed from your gear data.
Programming is driven directly by your 3D model or print. Work-holding, tool selection and the cutting strategy are planned around the critical features and the material before the first chip is cut. First-off inspection confirms the process is centred before production continues.
Achievable Tolerances for CNC Gear Grinding Spring Steel
| Feature | Standard | Precision |
|---|---|---|
| Accuracy class | DIN 8 / AGMA 10 | DIN 6 / AGMA 12 |
| Profile deviation | 0.020 mm | 0.008 mm |
| Lead deviation | 0.020 mm | 0.008 mm |
| Pitch deviation (cumulative) | 0.040 mm | 0.015 mm |
| Runout | 0.030 mm | 0.010 mm |
| Tooth surface finish | Ra 1.6 µm | Ra 0.4 µm (ground) |
| Module range | m0.5–m8 | m1–m6 |
Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.
CNC Gear Grinding Quality & Inspection
We control quality throughout the process, not just at the end. In-process checks plus final inspection — including CMM where specified — keep every Spring Steel part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.
CNC Gear Grinding Tolerances & Surface Finish
Gear features are produced to a specified DIN/AGMA accuracy class, with profile and lead controlled for quiet, durable running under load.
Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.
Working with Spring Steel
As a material, Spring Steel is high yield strength and elastic recovery. Our setup reflects the alloy's machinability so the finished part is accurate and free of avoidable defects.
We verify the exact grade and condition before machining, and traceable mill certs are available on request. We can work to your nominated material source or specification when required.
Design Tips for CNC Gear Grinding Spring Steel
We are happy to suggest design tweaks that improve manufacturability. Providing complete gear data (module, pressure angle, profile shift, quality class) lets us produce Spring Steel gears right the first time. If you send your model early, we will return practical DFM feedback before you commit to production.
Secondary Operations & Finishing
Finished Spring Steel parts can move straight into secondary operations under one roof. Typical add-ons are deburring, passivation, anodising, plating, blasting, polishing and laser marking. We coordinate the whole chain so you receive complete, inspection-ready parts.
Applications of CNC Gear Grinding Spring Steel
Customers order CNC Gear Grinding Spring Steel components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.
How to Order CNC Gear Grinding Spring Steel
Getting a quote is simple. Share your model, the material grade, your quantity and target tolerances. You receive a clear quotation with lead time and honest manufacturability feedback.
Parts We Have Run in Spring Steel
Three representative CNC Gear Grinding Spring Steel jobs, with the callouts that actually drove the process plan. Yours will differ — these are here so you can judge whether your part is in our range before you spend time on an RFQ.
Worm and wheel set
- Material
- Spring Steel
- Size
- m3, single start
- Key callouts
- Backlash 0.05–0.10 mm as a matched pair
- Batch
- 120 sets
Supplied as matched sets and marked, because mixing pairs loses the backlash spec.
Internal ring gear
- Material
- Spring Steel
- Size
- m2.5, z72, ID 190 mm
- Key callouts
- DIN 8, pitch deviation 0.03 mm
- Batch
- 150 pcs
Shaped rather than hobbed — an internal gear leaves no room for a hob to run out.
Spur gear
- Material
- Spring Steel
- Size
- m2, z40, 20° PA, face 20 mm
- Key callouts
- DIN 7, runout 0.02 mm
- Batch
- 500 pcs
Hobbed, hardened, then hard-finished; skipping the finish pass costs a full accuracy class.
Finishing Options for Spring Steel
| Finish | Thickness / effect | Why it gets specified |
|---|---|---|
| Deburr / edge break | 0.05–0.3 mm | All parts unless the drawing says otherwise |
| Bead blast | Ra 1.6–3.2 µm | Uniform matt finish, hides tool marks |
| Laser marking | — | Part number, lot code, data matrix |
No drawing yet? Build one in the browser.
Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.
What We Need to Quote CNC Gear Grinding Spring Steel
- GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
- MaterialThe exact Spring Steel grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
- QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
- TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
- FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
- DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.
Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.
Other Metals for CNC Gear Grinding
Other Processes for Spring Steel
Send the drawing, the Spring Steel grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.
Request a QuoteFrequently Asked Questions
What surface finish is achievable on Spring Steel with CNC Gear Grinding?
Surface finish on Spring Steel is controlled to your specification; we confirm the achievable Ra against your callout.
What tolerances can you hold for CNC Gear Grinding Spring Steel?
Achievable tolerances for Spring Steel gear cutting 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 is the typical lead time and minimum order for CNC Gear Grinding Spring Steel?
CNC Gear Grinding prototypes for Spring Steel 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 gear accuracy class can you achieve on Spring Steel?
Gear accuracy is specified to DIN/AGMA classes appropriate to the application. Profile and lead are controlled so Spring Steel gears run accurately and quietly under load.
Why is Spring Steel a good choice for CNC Gear Grinding?
Spring Steel is high yield strength and elastic recovery, which makes it well suited to CNC Gear Grinding. We tune the process to the alloy so the finished Spring Steel gear cutting part meets your dimensional and functional requirements.