Custom Investment Casting Manufacturer
Investment Casting Manufacturer for Precision OEM Parts
Supro MFG is a China-based investment casting foundry producing precision lost-wax castings in 250+ alloys — from wax pattern and ceramic shell through machining, finishing and inspection. We review your drawing, alloy, tolerance and application before quoting, so the casting route fits the part, not the other way around.
Silica sol and water glass processes, ±0.15 mm as-cast tolerance, Ra 3.2 surface finish, and full material and dimensional reports for OEM buyers.
Investment Casting at a Glance
- Silica sol & water glass lost-wax casting
- Stainless, carbon/alloy steel, aluminum & copper — 250+ alloys
- ±0.15 mm tolerance · Ra 3.2 · casting weight 10 g–80 kg
- In-house CNC machining, heat treatment & finishing
- CMM, spectrometer, X-ray & NDT inspection reports
Metal Die Casting
Odlewanie precyzyjne
Odlewanie w formach piaskowych
Custom Molds Making
Precyzyjna obróbka skrawaniem CNC
odlewnia zajmująca się odlewaniem precyzyjnym metali
Odlewanie precyzyjne is one of the most important casting processes of Supro metal casting foundry, with a complete internal foundry workshop, from product design, mold design, mold processing, precision casting, cnc machining, quality inspection, packaging and transportation, etc. one-stop On-demand manufacturing services.
Our odlewanie precyzyjne process includes: Water Glass Investment Casting and Silica Sol Investment Casting, applied in different product designs and cost constraints, to create precise, complex and smooth surface casting parts, closer to the final application shape, reduce precision CNC machining the cost of.
Supro Metal foundry has 25 years of casting experience, whether it is precision casting prototypes, large casting parts, mass casting or casting parts with complex structures, we can rely on professional odlewanie metali technology and advanced casting equipment to meet your needs, on time Delivery of high quality cast parts.
Investment Casting Processes
Four Investment Casting Routes for Different Parts
The right process depends on part size, surface requirement, geometry and cost target. We match the route to your part rather than pushing every project down one line.
Silica Sol Investment Casting
Silica sol investment casting is a casting process that is widely used in stainless steel and alloy steel casting parts. Silica sol is used as a binder to build a ceramic shell on the outer surface of the wax mold. It has the characteristics of high precision (CT4~CT6) and good surface finish. The foundry field plays an important role.
Supro MFG is a professional investment casting companies, we utilize silica sol casting for casting parts such as high temperature heat resistant alloys, heat resistant steels, stainless steels, carbon steels, low alloys, aluminum alloys and copper alloys.
Water Glass Investment Casting
Water glass investment casting is a casting process in which water glass is used as a binder to wrap the ceramic shell of the wax mold. The accuracy is better than that of sand casting, but the surface finish is poor. It is suitable for parts with heavy weight or no strict requirements on the external surface. .
At Supro MFG, we rely on water glass investment casting with low material cost and high forming efficiency for part casting of heavier or stronger products with more complex shapes. Such as: agricultural machinery, gears, large bases, and civil engineering components.
DLP 3D printed wax investment casting
3D printing wax investment casting is an advanced casting process that fills the gap. It can quickly build SLA models through 3D printing technology to meet the casting needs of small batches, high precision and low cost, reduce the investment in molds and production cycles, and increase the demand for rapid prototyping and production. Small batch casting brings huge economic benefits.
As an advanced investment casting company, Supro MFG provides high-precision SLA 3D model casting services, providing cost-effective metal casting solutions for casting prototypes and small batch castings. Such as: precision gears, jewelry, models, small art sculptures, etc.
vacuum investment casting
Vacuum investment casting is the process of completing precision casting in a vacuum state, which can effectively prevent the metal solution from rolling in the ceramic cavity and the pores generated after bursting, which brings internal defects and complex details that cannot be filled to the metal casting.
Supro Investment casting companies provide vacuum investment casting services for thin walled castings as well as castings with intricate details, ensuring that the castings maintain high precision and a very smooth surface.
Visit Supro Metal Investment Casting Foundry
Projektowanie – Prototyp – Formy – Odlewanie
Supro Metal Foundry is China leading metal investment casting manufacturer, founded in 1997, with continuous upgrading of casting technology and replacement of advanced casting equipment, we have become an industry-leading casting enterprise, covering an area of 8,800 square meters, with three castings workshop, a precision cnc machining and surface coating workshop, has 120 technical employees, 18 quality engineers, and 17 core company management. Provide stable metal odlewanie precyzyjne realizujemy projekty dostaw dla ponad 3800 firm zamawiających z Chin i całego świata.
Whether rapid odlewanie precyzyjne prototype or high volume casting, we can provide strong casting capabilities, including: product design and optimization, mold design and manufacturing, metal casting process, quality control, precision CNC machining, material and physical property testing, surface coating , as well as one-stop metal casting services such as packaging and transportation.
Factory capacity: 3 casting workshops, 8,800 m² facility, 120 technical staff, 18 QC engineers. Capable of producing parts from 50 g to 50 kg+ per piece. Silica sol precision casting achieves CT4-CT6 tolerance (±0.15 mm) with Ra 1.6-3.2 μm surface finish. Water glass casting for heavier parts at lower cost (CT6-CT8). In-house CNC machining, heat treatment (solution + aging, quench + temper), and surface finishing for assembly-ready delivery.
Supro also provides stainless steel casting oraz odlew miedzi for complementary alloy requirements.
How Ceramic Shell Investment Casting Works
From Wax Pattern to Inspected Casting
Every project follows a controlled lost-wax sequence. Knowing where your part sits in this flow makes design review, machining allowance and lead time easier to plan.
1.
Wax Pattern & Tree
Wax is injected (or DLP-printed) and assembled into a tree for batch casting.
2.
Ceramic Shell
Repeated silica-sol or water-glass dipping builds a strong ceramic shell.
3.
Dewax & Pour
Wax is melted out; molten alloy is poured — under vacuum where required.
4.
Cut, Machine & Inspect
Shell removal, cut-off, CNC machining, heat treatment and final inspection.
Capabilities & Tolerances
Investment Casting Specifications
Typical ranges below. Final tolerance, wall thickness and finish are confirmed against your drawing and alloy before quotation.
| Parametr | Silica Sol Route | Water Glass Route |
|---|---|---|
| Linear Tolerance | CT4–CT6 (≈ ±0.15 mm typical) | CT6–CT8 |
| Wykończenie powierzchni (Ra) | Ra 1.6–3.2 µm | Ra 6.3–12.5 µm |
| Min. Wall Thickness | from ~2 mm | from ~4 mm |
| Casting Weight Range | 10 g – 30 kg | 0.5 kg – 80 kg |
| Typowe zastosowanie | Precision, thin-wall, cosmetic parts | Heavier / structural parts, cost-sensitive |
| Prototype Lead Time | DLP wax: ~7–15 days | Confirmed at RFQ |
Materials · 250+ Alloys
Investment Casting Material Solutions
Investment casting suits a wide range of ferrous and non-ferrous metals. If the alloy is not fixed, our engineers can help you select the right one for corrosion, strength, wear or temperature requirements.
odlewanie precyzyjne ze stali nierdzewnej
steel investment casting
aluminum investment casting services
odlewanie mosiądzu i brązu metodą traconego wosku
China Supro odlewanie precyzyjne Foundry
what is precision investment casting ?
Metal Odlewanie precyzyjne, also known as: lost wax casting, is one of the popular metal precision casting processes in the manufacturing industry. The industrial or household wax is molded through a mold, connected into a tree-like structure, and a multi-layer ceramic shell containing silica sol or water glass is wrapped on the outer layer. Metal casting is performed after drying.
Investment casting parts have many advantages to accurately create complex structure of product casting structure and shape, as close as possible to the final shape, compared with traditional odlewanie w formach piaskowych, investment casting parts are more accurate in size and have a better surface finish to reduce precision processing cost.
- Offers greater flexibility in design.
- Provides more details on complex structures.
- Affordable low cost formy odlewnicze.
- Multiple alloy options to enhance the performance of cast części.
- Surface finish Ra 3.2.
- Precision tolerance Min ±0.15mm.
- High-volume casting maintains consistent high-quality delivery.
Custom investment casting manufacturers
Modernizacja starego sprzętu? Brak rysunków konstrukcyjnych części?
Metal odlewanie precyzyjne Modele odgrywają kluczową rolę na początkowym etapie każdego projektu. Jednak w przypadku innowacyjnych rozwiązań opracowywanych przez przedsiębiorców lub modernizacji przestarzałego sprzętu brak rysunków projektowych części lub modeli 3D stanowi poważne wyzwanie dla wielu inżynierów i innowatorów. Powoduje to, że wielu klientów nie wie, jak postępować w przypadku swoich projektów związanych z odlewami metalowymi.
Firma Supro MFG specjalizuje się w produkcji elementów metalowych na zamówienie investment casting part design and foundry techniques, enabling us to actively engage in the product design phase. Based on your functional requirements and environmental constraints, we provide timely professional guidance and refine preliminary designs for investment castings, steering projects towards greater cost-effectiveness.
Projektowanie i optymalizacja produktów – 3D Drukowanie Rapid Prototyping – Prototype investment Casting – Installation & Testing
Metal investment casting Product Design & Optimization
Aktywnie dostarczamy metale rozwiązania w zakresie projektowania elementów odlewanych dla użytkowników, którzy nie dysponują rysunkami projektowymi lub posiadają niekompletne schematy. Niezależnie od tego, czy masz jedynie koncepcję, czy prosty, odręczny szkic, możemy zoptymalizować projekt pod kątem funkcjonalności aplikacji.
Obejmuje to: skanowanie 3D, pomiary ręczne, pomiary za pomocą maszyn CMM i inne. Będziemy kontynuować te działania aż do momentu opracowania kompletnej dokumentacji projektowej. Takie podejście pozwoli Państwu zaoszczędzić na kosztach rozwoju i zapewni sprawny przebieg procesu.
3D printing rapid wax prototyping
We provide industrial-grade, high-precision 3D printing rapid prototyping services usługi pozwalające sprawdzić racjonalność projektu i funkcjonalność Państwa produktów lub szybko wykonać modele woskowe w ramach przygotowań do późniejszego szybkiego odlewania.
The primary 3D printing technologies involved in szybkie prototypowanie are:
- Druk na nylonie SLS PA8200
- Druk z wykorzystaniem fotopolimerowej żywicy SLA
- MJF – druk na czarnym nylonie PA12
- SLM aluminium and stal nierdzewna metal printing
- Szybkie drukowanie wzorów woskowych metodą DLP
W celu uzyskania wyceny druku 3D prosimy o podanie STL, STP, STEP, XTP, IGES lub OBJ pliki formatowe utworzone w programach do modelowania 3D, takich jak ProE/UG/3DMAX/MAYA/ZBrush/Rhino.
Metal prototype investment casting services
supro MFG oferuje usługi szybkiego prototypowania metodą odlewania, co pozwala na dopracowywanie projektów prototypowych części na poszczególnych etapach testowania bez konieczności inwestowania w kosztowne i skomplikowane formy. Wykorzystując zaawansowaną technologię drukowania 3D form woskowych (druk 3D metodą DLP), bezpośrednio drukujemy modele woskowe w 3D na podstawie plików CAD. Następnie z gipsu formowane są precyzyjne wnęki form, co pozwala na szybszą i bardziej wydajną weryfikację projektu. Gwarantuje to, że produkt końcowy będzie zgodny z Państwa specyfikacjami i zapobiega nieuzasadnionym inwestycjom.
Looking for a reliable investment casting manufacturer?
- Możemy pomóc Ci zoptymalizować projekt produktu i obniżyć koszty.
- Możemy pomóc Ci w realizacji dużych zamówień o wysokiej jakości części odlewane.
- Możemy dostarczyć na czas i zyskać więcej możliwości rynkowych sprzedaży.
- Skorzystaj z usług odlewniczych firmy Supro MFG.
China Supro odlewanie precyzyjne manufacturers
metal investment casting quality control
Create
functional and aesthetic vision
for high-quality
metal investment casting parts.
- Kontrola wad powierzchniowych.
- Kontrola zgodności.
- Wewnętrzne wady odlewnicze.
- Powstawanie wad chłodniczych.
We value the high quality delivery of precision metal investment castings, a professional quality control team monitors all casting processes including: surface defects, internal defects, dimensional defects and material composition.
Przywiązujemy większą wagę do funkcjonalności i estetyki produktu, w tym do: szczelności olejowej i powietrznej, powłoki powierzchniowej (kolor na zamówienie), polerowania, malowania itp.
- Kontrola wyglądu i struktury.
- Kontrola jakości wymiarowej.
- Wykrywanie rozmiaru wiertła typu CMM.
- Określanie składu chemicznego (spektroskopia).
- Badania właściwości mechanicznych.
- Wykrywanie uszkodzeń.
- Badania nieniszczące (NDT).
- Montaż i testowanie.
Investment Casting FAQ for OEM Buyers
These questions cover MOQ, tolerance, material choice, cost, inspection and post-casting machining for custom investment (lost-wax) casting.
What is the minimum order quantity (MOQ) for odlewanie precyzyjne?
What tolerance and surface finish can investment casting achieve?
How much does investment casting cost per kg?
What materials can be investment cast?
What is the difference between silica sol and water glass casting?
What is the difference between investment casting and sand casting?
Can you provide CNC machining and heat treatment after casting?
What inspection reports can you provide?
What file formats do you accept for an RFQ?
Get a Factory-Direct Investment Casting Quote
What to include in your RFQ
- 2D / 3D files: PDF, DWG, DXF, STEP, STP, IGES, OBJ
- Alloy grade or target mechanical properties (tensile, hardness)
- Quantity, annual volume, and order pattern
- Tolerance class (CT4-6 for silica sol / CT6-8 for water glass), surface finish, machining & inspection needs
- Application, working load, temperature range, and corrosive environment
- Required certifications: ISO 9001 / IATF 16949 / CE / customer-specific standards
English
Français
Deutsch
Italiano
日本語
한국어
Polski
Português de Angola
Русский
Español de Argentina