Aluminum Pump Housing

Custom CNC Machining — From Your Drawing to Finished Parts

This Aluminum Pump Housing is a precision fluid containment and flow control component designed for water pumps, oil pumps, hydraulic systems, fuel pumps, and industrial fluid transfer equipment. It is manufactured by our in‑house CNC precision machining process. The use of ADC12 aluminum alloy provides an excellent balance of high pressure tightness, good corrosion resistance, excellent castability, and reliable performance under continuous fluid flow, pressure fluctuations, and moderate thermal cycling. The CNC machining process ensures tight dimensional tolerances, precise cavity geometries, accurate bearing bores, smooth sealing surfaces, and consistent port thread profiles — all critical for pump housings requiring leak‑free sealing, efficient hydraulic performance, reliable bearing support, and long‑term durability in automotive, industrial, or hydraulic systems.

Our one‑stop approach — covering material selection, CNC milling & boring (cavity roughing, bearing bore finishing, port drilling, threading), optional surface treatment (clear anodizing, hard anodizing, or chemical conversion coating), high‑pressure cleaning, leakage testing, and engineered packing — delivers a ready‑to‑assemble pump housing that meets high‑precision mechanical requirements and withstands fluid pressure, cavitation erosion, thermal expansion, moisture, and mild chemical exposure.

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Professional Project CNC Machining ADC12 Aluminum Pump Housing

Specification	Details for This Case	Matech’s Capability / Notes
Alloy Grade	ADC12	Supports a wide range of aluminum alloys, including ADC12, 304 stainless steel, 42CrMo, and other engineering materials, with full material certification and traceability documentation available.
Machining Equipment	Die Casting Machine / 850 CNC machining center (3-axis)	Equipped with various CNC machining systems suitable for precision machining of components with complex geometries.
Unit Weight	2.5 kg	Machinable part weight range: 0.5 kg – 5000 kg.
Overall Dimensions	120 × 110 × 100 mm	Maximum machining capacity: approx. 3000 × 1800 × 800 mm (subject to drawing confirmation).
Machining Tolerance	±0.01 mm	Precision tolerance control ensured by 3-axis / 4-axis / 5-axis CNC machining centers.
Surface Roughness	Ra 0.4 – 0.8 μm after machining	Surface finish as low as Ra 0.4 μm achievable through precision grinding and polishing processes.
Minimum Wall Thickness	2 mm	Specialized in machining small, deep-cavity, and structurally complex parts. Minimum wall thickness can reach 1.5 mm depending on part geometry.
Heat Treatment	T6	Provides T6, tempering, quenching, carburizing, and vacuum heat treatment, with full-process digitally controlled temperature management.
Surface Treatment	Sand Blasting	Offers anodizing, powder coating, painting, Teflon coating, passivation, electroplating, electroless nickel plating, and other surface treatments to meet requirements for corrosion resistance, wear resistance, and aesthetic appearance.
Application Fields	Agricultural Machinery Equipment	Widely applied in robotics, automotive, medical devices, general machinery, pumps & valves, logistics, and new energy industries.
MOQ	1,000 pcs	Flexible production support for prototyping, low-volume, and mass production orders.
Sample Lead Time	10–15 Working Days	Lead time subject to drawing review results; expedited services available upon request.
Production Lead Time	30–45 Working Days	Delivery schedule determined according to order quantity and product complexity.
Drawing Formats	STEP, IGES, X_T, DWG, PDF	Supports all standard 2D and 3D engineering drawing formats.
Customization	Fully Customized	Materials, structures, tolerances, and surface finishes can all be fully customized according to customer specifications.
Certifications & Qualifications	ISO 9001:2015 Quality Management System Certified	Can provide EN 10204 3.1 material certificates, dimensional inspection reports, PPAP Level 3 documentation, and related quality records.
Packaging	Custom PE Foam + Wooden Crate Packaging	Customized protective packaging solutions available for fragile and critical components.

Customization Options

Every casting project starts with your unique design and requirements. Whether it's iron, steel, or aluminum, we tailor every aspect of the manufacturing process to your exact specifications. Below are the key dimensions you can customize with Matech — your drawing is our only standard.

Material Selection

From aluminum alloy to grey/ductile iron to carbon steel/stainless steel — we pour the alloy your design demands. Custom compositions are welcome. Full material certification included.

Casting Process

Our engineers tailor the most suitable manufacturing process to your specific needs based on your part's geometry, volume, and performance requirements, ensuring the optimal balance between quality and cost.

Dimensional Accuracy & Machining

We machine to your exact tolerances. In-house 3/4/5-axis CNC with custom fixtures. Casting tolerance CT4-CT11, machining tolerance down to ±0.005mm.

Heat Treatment

MATECH provides a full range of heat treatment services, including: Annealing, Normalizing, Quenching, Tempering, Carburizing, Nitriding, Solution Treatment.

Surface Treatment & Coating

Matech support: Sandblasting / Shot Blasting, Chemical Degreasing, Pickling/Passivation, Mechanical Grinding / Polishing, Zinc Plating, Hard Chrome Plating, Electroless Nickel Plating, Anodizing,Dacromet, Powder Coating, Black Oxide, Stainless Steel Passivation.

Testing, Documentation & Packaging

From material certificates to complete customs clearance documents, and from custom pallets to packaging optimized for your product's specific characteristics. Your parts arrive fully documented, well-protected, and ready for immediate use.

Our Advantages

Technical Advantages

Full In-House Precision Machining

Raw material warehousing, sawing, CNC turning & milling (3/4/5-axis), wire EDM, surface grinding, surface treatment, and inspection — all centralized under one roof. No subcontracting for any process step. This vertical integration means we fully control lead time, multi-process sequencing, and final quality, turning bar stock, plate,profile, or forging blanks into ready-to-assemble components.

Design for Manufacturability (DFM) & Programming Support

Before the first chip is cut, our engineering team reviews your drawing for machining feasibility. We provide feedback on tolerance stack-ups, tool access limitations, thread specifications, and suggestions to simplify complex features without compromising function. Combined with in-house CAM programming for multi-axis machines, we ensure efficient toolpaths and consistent output from part one to part ten thousand.

Expertise in Complex, High-Precision Parts

We specialize in components that demand tight tolerances (±0.005mm achievable), fine surface finishes (Ra 0.4µm and below), and complex geometries — such as shafts with keyways and threads, manifold blocks with intersecting bores, housings with multi-face machining, and precision fixtures themselves. Full inspection capability — CMM, height gauges, bore gauges, profilometer — ensures every feature on your drawing is verified and documented.

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Material Advantages

Certified Raw Material, Verified In-House

Whether it's steel billet, aluminum block, extruded profile, or forging blank — all raw material is sourced from certified mills and forge shops. Every incoming batch arrives with mill test certificates and undergoes our receiving inspection (spectrometer verification, hardness check, dimensional confirmation) before entering production. No unverified material ever reaches the shop floor.

Multi-Form Material Expertise

We handle the full spectrum of starting material forms and grades:
Steel block/billet: Carbon steels, alloy steels (4140, 4340, 40Cr), tool steels (H13, D2, SKD11), stainless steels (304, 316, 17-4PH, 2205)
Aluminum block/billet: 6061, 7075, 5083, 6082, and other wrought grades
Profiles/Extrusions: Aluminum profiles with custom cross-sections, cut to length and precision-machined on mating faces and mounting holes
Forging blanks: Closed-die steel and aluminum forgings, machined to final tolerance on functional surfaces while preserving forged grain flow for superior strength

Complete Lot Traceability

Material batch integrity is maintained from receiving to finished part — regardless of starting form. Heat numbers, mill certs, forging lot numbers, and profile batch codes are tracked through sawing, machining, inspection, and packing stages. For industries requiring full material traceability, we deliver a complete dossier linking the original material lot to every finished part and its inspection records.

Service Advantages

Dedicated Cross-Functional Support

A dedicated project manager oversees the entire process — from design review to final delivery — ensuring efficient communication at every stage.

Fast Response & Transparent Communication

Quotations are typically provided within 24–48 hours. Production progress is updated regularly through photos and production data, with continuous customer feedback collection throughout the project.

After-Sales Support

Full batch traceability and 24-hour response to quality-related issues ensure reliable post-delivery support.

Let's Discuss Your Needs

Contact us now! Our technical team and mechanical engineers are ready to provide one-stop support for your project from requirement review, quotation to delivery.

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