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Emergency Replacement Case Study

Steel Pump Bowl Delivered in 3 Weeks

An integrated digital-to-casting workflow for a critical replacement component—from CAD preparation to final machining.

Component
Steel Pump Bowl
Workflow
CAD to Machining
Lead Time
3 Weeks

The three-week lead time is the result of this specific project. Lead time for new projects depends on component geometry, material, size, quantity, machining, inspection requirements, and available production capacity.

Pair of finished machined steel pump bowls prepared for final inspection

When a Critical Pump Component Cannot Wait

A replacement steel pump bowl was required under a compressed production schedule. Its complex internal geometry demanded coordinated engineering across CAD preparation, rigging design, casting simulation, mold production, steel casting, and machining.

The project was completed through one connected workflow within three weeks.

WORKFLOW OVERVIEW

Six Coordinated Stages, One Connected Workflow

One coordinated workflow reduced handoffs between engineering, mold production, casting, and machining.

  1. 01

    CAD Preparation

  2. 02

    Rigging Design

  3. 03

    Casting Simulation

  4. 04

    3D-Printed Sand Mold

  5. 05

    Steel Casting

  6. 06

    Final Machining

Step 01 — CAD Preparation

Engineering the Replacement Geometry

The pump bowl geometry was prepared as a production-ready 3D model. Internal flow passages, wall sections, flanges, and machining surfaces were reviewed before casting development began.

Step 02 — Rigging Design

Designing the Complete Casting System

The gating, feeding, riser, and venting arrangement was developed around the pump bowl’s complex geometry. The rigging design connected the component model directly to the planned casting process.

Step 03 — Casting Simulation

Validating the Process Before Pouring

Casting simulation was used to review filling and solidification behavior before mold production. The simulation results supported adjustments to the rigging and feeding strategy before committing to the steel pour.

Step 04 — 3D-Printed Sand Mold

Complex Mold Geometry Without Conventional Pattern Making

The sand mold and cores were produced directly from digital data. This enabled the complex internal passages of the pump bowl to move rapidly from engineering into mold assembly.

Step 05 — Steel Casting

From Digital Design to Physical Steel Casting

After mold assembly and pouring, the casting was cleaned and prepared for downstream machining. The as-cast component shows the internal geometry formed directly by the printed sand mold and cores.

Step 06 — Final Machining

Machined and Prepared for Final Verification

Critical flange faces, bore surfaces, and mounting holes were machined to the required component dimensions. The completed pump bowls were prepared for final inspection and delivery.

Project Result
3
Weeks
CAD to Final Machining
  • Integrated engineering and production workflow
  • Complex geometry produced with 3D-printed sand molds
  • Completed steel pump bowl replacement components

The project demonstrates how digital engineering, casting simulation, 3D sand printing, steel casting, and machining can operate as one coordinated emergency replacement workflow. Three weeks is the result of this individual project and is not a guaranteed lead time for every future project.

Is a Critical Component Putting Your Operation at Risk?

Send us the available drawing, CAD data, or component information. Our team can review the geometry, manufacturing route, and feasible production schedule.

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Speed 3D Mold Co., Ltd. is listed by ExOne as a sales representative in Thailand, supporting local coordination for industrial sand 3D-printing solutions.

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MEMBERS & SOCIETIES

Thai Foundry Association
FTI