CIXIN MACHINERY TECHNOLOGY
3D Printed Pump Housing Prototype
White engineering plastic 3D printed pump casing prototype with stepped bosses, multiple mounting holes and flow port cavities. It replaces traditional casting and CNC milling for rapid functional verification of hydraulic pump assemblies, with zero mold investment for iterative design updates.
- Manufacturing Method: FDM / SLA Plastic 3D Printing
- Material: White high-strength PLA / ABS engineering plastic
- Lead Time: 2–3 working days
- Tolerance: ±0.12mm
- Post-treatment: Deburring, sanding, hole trimming
- Structure Feature: Multi-step concentric bosses, peripheral fixing flange, integrated inlet/outlet pipe sleeves
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- Description
- Specification
- Application
- FAQS
This component is a prototype housing for miniature fluid pumps, featuring a stepped concentric central bore for shaft assembly, a surrounding flange with evenly distributed mounting holes, and a side protruding sleeve for fluid inlet connection. Traditional sand casting requires pattern molds with long lead times, while full CNC machining would need complex multi-axis fixturing and lengthy processing cycles for the curved stepped contours.
We adopt plastic 3D printing for one-piece integrated forming, optimizing print layer speed and support placement to prevent deformation of thin flange edges and tall pipe sleeves during curing. High-rigidity engineering plastic delivers stable dimensional performance for pressure seal testing. Post-processing removes layer lines and sharp burrs; critical bore holes can be precision trimmed to match shaft fitting clearances. Each design revision only needs updated CAD files for reprinting, enabling fast iteration of internal flow channel and sealing structure designs without extra tooling costs.
| Item | Specification |
|---|---|
| Print Technology | FDM or SLA 3D Printing |
| Raw Material | White ABS / High-strength PLA |
| Dimensional Tolerance | ±0.12 mm |
| Minimum Structural Wall Thickness | 1.0 mm |
| Delivery Cycle | 2–3 working days post drawing confirmation |
| Available Post Finish | Sanding, sealing primer painting, precision hole reaming |
| Pressure Test Capacity | Suitable for low-pressure fluid sealing verification |
Q1: Can 3D printed plastic housings hold liquid pressure without leakage?
Standard PLA suits low-pressure testing; we use ABS or resin with sealing coating for better liquid tightness. For high-pressure formal production, aluminum alloy casting/metal 3D printing is recommended.
Q2: Are mounting holes accurate enough for bolt assembly?
Base printed holes carry minor allowance; we perform manual trimming or secondary CNC reaming to achieve precise fit for standard fasteners.
Q3: How many design revisions can we test with 3D printing?
Unlimited iterations with no mold fees; each modified model can be produced and delivered within 2–3 days for comparison performance tests.
Q4: Can we switch to metal pump housings after plastic prototype validation?
Yes, we offer aluminum alloy metal 3D printing, CNC machining and casting services for formal production pump shells post prototype approval.
Q5: Will curved stepped bosses warp during printing?
We add internal support structures and adjust print temperature parameters for tall stepped features to control warpage; final full dimensional inspection guarantees concentricity of central bores.
Q6: Is FDM or SLA better for pump casing prototypes?
SLA provides smoother inner bore surfaces for superior sealing performance; FDM offers higher structural toughness for drop and load testing scenarios.
