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5-axis prototype applications: the parts, and why each one needs the extra axes
The field a part comes from tells a shop what paperwork to expect. The shape tells it whether the job is simultaneous 5-axis or 3+2. This page covers both, for prototypes and short runs of 1 to 200 pieces.
Typical prototype parts by field
Examples of what buyers send. The last column is the method that usually fits; a single feature on your drawing can change it.
| Field | Part | Why 5-axis | Usually |
|---|---|---|---|
| Robotics | Wrist housing with bearing bores on three axes | Bores must align across faces; one clamping keeps them true | 3+2 |
| Robotics | Lightweight gripper finger with organic pockets | Lofted outer surface and deep pockets beside thin walls | Simultaneous |
| Medical devices | Instrument handle or housing in titanium or PEEK | Ergonomic blended shape, small features on most faces | Simultaneous |
| Medical devices | Test fixture holding a device at angles | Flat faces and holes at fixed angles | 3+2 |
| Aerospace and UAV | Gimbal bracket or motor mount | Ribs and pockets on several sides, tight hole positions | 3+2 |
| Aerospace and UAV | Blade or vane sample | Twisted airfoil surface, thin trailing edge | Simultaneous |
| Energy and fluid | Closed or open impeller | Blades curve between hub and shroud; tool must follow them | Simultaneous |
| Energy and fluid | Valve body with angled ports | Straight ports at compound angles meeting inside the body | 3+2 |
| Semiconductor tools | Wafer handling end effector or chamber part | Flat clean faces, thin sections, holes on several faces | 3+2 |
| Motorsport and mobility | Upright or intake runner | Sculpted load paths or blended internal flow surfaces | Simultaneous |
Not sure which one your part is? The self-check on the home page sorts it in six questions.
What each field asks of a prototype shop
Mention these in the RFQ so we match shops that already work this way.
Robotics
Designs change every loop, so shops that turn a revision quickly matter more than unit price. Ask for bore and position checks on the first piece of each revision.
Medical devices
Prototypes are often used for verification builds. State the material certificate, cleaning and labeling you need, and whether the parts are for bench tests or user testing.
Aerospace and UAV
Thin ribs and tight hole positions in 7075 or titanium. Drawings may be export controlled; tell us before you upload so the files are screened and handled accordingly.
Energy and fluid
Impellers and valve bodies where flow surfaces decide performance. Specify surface finish on wetted faces and whether a pressure test belongs to the order.
Semiconductor tools
Flatness, burr-free edges and clean packing. Say which faces are functional and what cleaning and bagging the parts need on arrival.
Motorsport and mobility
Short deadlines and one-off parts. Give the real date and the minimum you need to race or test, so the shop can split the order if that helps.
Paperwork that travels with the parts
A prototype that feeds a test or a customer review often needs more than the parts. Ask for it in the RFQ; adding it after the order usually means a delay.
Defense articles and related technical data fall under export-control rules such as ITAR in the United States. The buyer is responsible for classifying the drawing.
- Material certificateMill certificate traceable to the stock, for example EN 10204 3.1. Needed when the prototype goes into a qualification test.
- First article reportMeasured values for the features you mark, against the drawing. Some fields ask for a specific format; name it in the RFQ.
- Certificate of conformityA signed statement that the parts meet the drawing and order. Simple, but it has to be asked for.
- Finish and coating recordsAnodize type and thickness, passivation per ASTM A967, heat treatment hardness, from the outside processor.
- Cleanliness and packingDegreasing, bagging and labeling for parts that go straight into an assembly or a clean area.
- Export-control screeningDefense and some aerospace or UAV drawings are controlled. Screen the drawing before it is shared, and tell us when it applies.
From prototype to pilot batch
In every field the same thing happens between the first part and a batch of fifty: the program is proven, a repeatable fixture replaces improvised workholding and inspection moves from a few features to a plan. Tell us the stage so we match shops that work at that pace.
Stages and typical lead timesMaterial by field
Robotics and UAV lean on 7075 and titanium, medical on titanium, 316L and PEEK, energy on stainless and nickel alloys. A stand-in material can speed up early revisions where the test allows it.
Materials for prototypesApplication questions
Which applications need simultaneous 5-axis most often?
Impellers, blade and vane samples, organic housings and anything with blended or twisted surfaces. Brackets, mounts, valve bodies with straight ports and fixtures are usually 3+2 positional work, which costs less in programming time.
Can you match export-controlled aerospace or UAV parts?
Tell us before you send the drawing. Controlled technical data cannot be shared freely, and it limits which shops may see it and where. We will say plainly if the request cannot be matched under those rules.
Do prototype shops make medical device parts?
Many make instrument bodies, housings and test fixtures for development builds. If your part must come from a shop with a specific quality system or registration, state it in the RFQ and we only match shops that can show it.
My application is not listed. Can I still send an RFQ?
Yes. The list shows typical work, not a limit. What decides the match is the geometry, the material, the quantity and the tolerance, not the industry name.
Send the part, whatever the field
One RFQ, up to 3 matched shops, free for buyers. We reply within 24 business hours.