Complex parts fail on setups, not on spindle speed. We machine them on 16 simultaneous 5-axis centers with ±0.005 mm tolerance, then inspect 100% before shipment.
Each one costs a setup, a rework loop, or a scrapped lot.
A part with six faces gets flipped across three machines. Every flip adds a re-clamp error, so the bolt circle no longer matches the housing. By the time the CMM catches it, half the lot is drilled and the fixture has to be rebuilt.
A 1.2 mm aluminum wall or a tall titanium rib deflects under tool pressure. Dimensions read fine at the machine and wrong after the part relaxes. You find out at assembly, when the cover will not seat flat.
A 5xD boring bar in 17-4PH starts singing around 60 mm depth. Surface finish drifts to Ra 3.2 μm and the seal face leaks. Someone polishes it by hand, and the bore goes out of round by 0.02 mm.
Drawings arrive with 40 features, two materials, and a hardcoat callout. Suppliers either pass on the job or quote a number with no DFM notes attached. Weeks pass before anyone says the wall is too thin to hold.
Fewer setups means fewer places for error to enter.
Complex metal parts usually carry features on every face. Each re-clamp adds error from chip on the jaw, thermal drift, and the operator's feel on the torque wrench. On a 5-axis center we reach five faces with the tool, so the part never leaves the fixture.
We plan the datum before the first cut. The fixture is designed around the CMM report, not the other way around. When a callout is tight, the same datum that locates the stock is the one the inspector measures from.
Travel limits decide whether a part is even quotable. Our largest platform runs 4,000 × 400 × 150 mm, which covers long extrusion housings, rails, and frame members. The medium cells take 750 × 1,150 × 550 mm and 600 × 600 × 600 mm, and the compact cells handle 500 × 500 × 450 mm or 500 × 310 × 200 mm.
That spread matters when a project mixes a 3 m rail with a 40 mm bracket. Both run in-house, both get the same inspection routine, and both ship together. No third party between the two operations.
Pick the platform by feature access and size, not by habit.
| Part type | Platform | Why |
|---|---|---|
| Impeller, ported manifold, angled boss | 5-axis | Tool reaches five faces without re-clamping |
| Long rail, extrusion housing, frame | 3-axis, 4,000 mm travel | Length is the binding constraint, not feature angle |
| Shaft with cross-holes and a flange | Mill-turn | Turning and milling in one chucking |
| Flat plate, drilled and tapped | 3-axis | Five-axis adds cost with no gain in accuracy |
| Thin-wall enclosure, 1.0–1.5 mm | 5-axis, light passes | Controlled radial load keeps the wall stable |
| Rotational part, tight concentricity | CNC turning | Single-axis rotation holds roundness best |
One shop for the metal, the plastic, and the finish.
Simultaneous 5-axis for contoured surfaces, deep pockets, and parts with features on five faces. Sixteen centers available.
Indexed 4-axis for cross-holes and slots. 3-axis for plates, brackets, and long parts up to 4,000 mm.
Mill-turn centers finish shafts and housings in one chucking, so concentricity does not depend on a second setup.
Machined prototypes from your 3D file, used to check fit and function before tooling is cut.
Chassis, brackets, and covers when the part is better formed than cut. Blends with machined components.
Anodizing, plating, powder coating, black oxide, bead blasting, brushing, and laser marking from 1.5 mm character height.
Numbers below are what we can hold, not marketing targets.
| Item | Range |
|---|---|
| Tolerance | ±0.005 mm (±0.0002 in) |
| Surface finish | Ra 0.2–0.8 μm fine, Ra 0.8–1.6 μm standard |
| Aluminum | 6061, 6061-T6, 2024, 5052, 5083, 6063, 6082, 7075, ADC12 |
| Stainless | 303, 304, 316, 316L, 420, 430, 431, 440C, 17-4PH (SUS630) |
| Steel | 1018, 1045, 4130, 4140, 4340, A36, tool steel |
| Titanium and special | TA1, TA2, TC4 (Ti-6Al-4V), Inconel, magnesium AZ31B, AZ91D |
| Plastics | ABS, PC, PMMA, POM, PA, PEEK, PP, HDPE, carbon fibre |
| Order size | One prototype to 10,000+ part runs |
| Lead time | Quote in 12 hours, parts ship in 3–5 days |
Fifteen years on complex metal and plastic parts, across three wholly-owned plants and 7,600 m² of floor space.
Not every feature needs it. We tell you which callouts are realistic and which need a process change.
You get a price and a written DFM note. Production can start within 24 hours of approval.
Raw material check, in-process monitoring, and final inspection on every lot. Reports on request.
ISO 9001:2015, IATF 16949:2016, ISO 13485:2016, and ISO 27001:2022.
One prototype or a 10,000-part run. No setup fee games and no lot-size penalty.
Thin ribs, deep pockets, and traceable material. Reports travel with the lot.
Housings, brackets, and thermal parts that must fit the first time at line speed.
Long rails and frames up to 4,000 mm, plus the small brackets that bolt to them.
Cleanable surfaces, tight bores, and plastic parts that will not absorb the fluid.
Use it when the part has features on more than three faces, or when a contoured surface must stay normal to the cutter. A flat plate with drilled holes does not need it, and quoting it that way just adds money.
The break-even is usually around the third setup. If a 3-axis route needs three fixtures and two re-clamps, 5-axis is normally cheaper once you count the fixture build and the scrap risk.
±0.005 mm on features we can reach with a rigid setup and a stable material. That number is a floor, not a default. Wide thin walls, deep small bores, and long unsupported sections are harder.
We flag those features in the DFM note and say what is realistic. A part that is quoted at ±0.005 mm and measured at ±0.02 mm helps nobody.
Titanium TC4, Inconel, and 17-4PH in the hardened condition are the usual trouble. They hold heat at the cutting edge, so tool life drops and the part can move after the cut.
We slow the surface speed, use more coolant, and take lighter radial passes. On thin Inconel sections we sometimes rough, stress-relieve, then finish. That adds a step but keeps the final dimensions.
Plastics move more than metal, so the same callout means something different. PEEK and POM hold dimensions well. PP and HDPE are softer and will relax after machining.
For those we leave stock, let the part settle, then take a finish pass. If a plastic part needs metal-level tolerance, we will say so and suggest a different material.
We ask for the assembly it fits into. The functional datum is usually there, in the mating face or the bolt pattern. From that we build the locating scheme and the inspection plan together.
If the drawing has no datum callout, we propose one in the DFM note before cutting. It is cheaper to agree on it in writing than to argue about it after inspection.
A 3D file in STEP or IGES, a 2D drawing with tolerances and finish callouts, the material, the quantity, and any inspection report format you require. A photo of a similar part helps when the drawing is thin.
Uploads stay confidential. We sign an NDA on request before files are opened, and access is limited to the people quoting and planning the job.
Quote and DFM analysis come back within 12 hours. Production can start within 24 hours of approval, and parts normally ship in 3–5 days.
That assumes the drawing is complete and the material is in stock. If a feature needs a custom fixture or a finish from an outside line, we tell you the added time up front instead of after the fact.
Every part gets inspected before shipment. Raw material is checked on arrival, dimensions are monitored during the run, and the final inspection is done against the drawing.
Inspection reports are available on request. For first articles we can supply a full dimensional report with the CMM data attached.
Upload your 3D file and drawing. You get a price and a written DFM analysis within 12 hours, with no minimum order quantity.
12-hour quote100% inspectionNo minimum order quantityNDA on request
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Upload your 3D model or 2D drawing and get a quotation with a free DFM analysis. Maximum processing size 4,000 mm.
CNC Metals 13 grades
CNC Plastics 10 grades
Machines & processes 12 options
Surface & post-processing 10 options
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