Manufacturer of highly precise investment castings and stainless steel cast parts from just a few grams to 100 kg for key international industries.
BFG Feinguss GmbH
Hirzenhain, DE · Libavské Údolí, CZNew on Amplifa
About BFG Feinguss
BFG Feinguss GmbH, headquartered in Hirzenhain (Hesse), is a manufacturer of highly precise investment castings made of stainless steel, steel and special alloys, and can look back on more than 70 years of experience in investment casting. The company produces complex, filigree components weighing from a few grams up to 100 kg with edge lengths of up to 1,000 mm – from design and rapid prototyping and material selection through to finish machining, heat treatment and surface treatment. The portfolio includes, among other things, gears, pump and valve housings, surgical instruments as well as components for food industry and plant engineering applications. As of March 2013, BFG Feinguss has been part of the globally active Impro Group (Impro Precision Industries Limited, headquartered in Hong Kong), which delivers to over 30 countries with 15 production facilities, 8 logistics centers and 9 sales offices. Its core markets are mechanical and plant engineering, the automotive and commercial vehicle industry, aerospace, food technology, medical technology as well as energy and process engineering. A subsidiary in the Czech Republic (BFG Czech s.r.o.) handles the post-processing of investment castings.
- Site
- Hirzenhain
- Processes
- Investment casting process (precision casting/investment casting), Finish machining (drilling, turning, milling, grinding, lapping, honing, reaming, gearing, assembly), Heat treatment (annealing, normalizing, solution annealing, quenching and tempering,, Surface treatment (pickling and passivating, blackening, galvanizing, electropolishing, barrel, Rapid prototyping (3D printing/laser printing, silicone mold, PU mold), Quality inspection (spectral analysis, X-ray inspection/radioscopy, crack testing, metallography), Design and development of investment castings, Machining of investment castings (post processing of investment castings)
- Materials
- Case-hardening steels, Quenched and tempered steels, Nitriding steels, Tool steels, Rust- and acid-resistant steels, Heat-resistant steels, Wear-resistant materials, Nickel, chromium and cobalt alloys
- Certificates
- DIN EN ISO 14001:2015, DIN EN ISO 50001:2018, IATF 16949:2016, DIN EN ISO 9001:2015 (BFG Czech s.r.o.), IATF 16949, ISO 14001, ISO 50001, ISO 9001
- Industries
- Mechanical and plant engineering, Automotive and commercial vehicle industry, Aerospace, Food technology, Medical technology, Energy and process engineering
- 01
Design and development
- 02
Rapid prototyping (3D printing/laser printing, silicone mold, PU mold)
- 03
Material selection
- 04
Investment casting process (wax model, ceramic mold, casting)
- 05
Heat treatment
- 06
Finish machining (machining, assembly)
- 07
Surface treatment
- 08
Quality inspection
- 09
Product marking and delivery
Locations
Hirzenhain
DEHeadquarters, production and central point of contact for European customers
- Part weight / size
- a few grams to 100 kg (edge length up to 1,000 mm)
- Lot size
- Prototypes, small, medium and large series
- Materials
- Stainless steel, case-hardening, quenched and tempered, nitriding and tool steels, heat-resistant and wear-resistant
Libavské Údolí
CZSubsidiary BFG Czech s.r.o. – flexible production and post-processing of high-quality investment castings
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Investment casting process (precision casting/investment casting)Casting | – | – | 100 kg | – | Stainless steel, Case-hardening steels, Quenched and tempered steels, Nitriding steels, Tool steels, Heat-resistant steels, Wear-resistant materials, Nickel- and cobalt-based alloys, Ferritic cast iron (GGG), Cast iron with lamellar and spheroidal graphite, ADI (EN-GJS 1100) |
| Finish machining (drilling, turning, milling, grinding, lapping, honing, reaming, gearing, assembly)Machining | – | – | – | – | – |
| Heat treatment (annealing, normalizing, solution annealing, quenching and tempering,Heat treatment | – | – | – | – | – |
| Surface treatment (pickling and passivating, blackening, galvanizing, electropolishing, barrelSurface | – | – | – | – | – |
| Rapid prototyping (3D printing/laser printing, silicone mold, PU mold)Additive | – | – | – | – | all cast alloys |
| Quality inspection (spectral analysis, X-ray inspection/radioscopy, crack testing, metallography)Testing | – | – | – | – | – |
| Design and development of investment castingsEngineering | – | – | – | – | – |
| Machining of investment castings (post processing of investment castings)Machining | – | – | – | – | – |
Additional services
Reference customers
Quality
Quality assurance includes spectral analysis, X-ray inspection/radioscopy, crack testing (magnetic particle and dye penetrant methods), metallography, hardness, tensile strength and impact toughness tests, corrosion testing as well as 3D metrology and gauge inspection; on request, acceptance test certificates 3.1 in accordance with DIN EN 10204 and individual inspection plans are issued.
| Evidence | Hirzenhain | Libavské Údolí |
|---|---|---|
| IATF 16949 | ||
| ISO 14001 | ||
| ISO 50001 | ||
| ISO 9001 |
History
- 1731
Founding of the Buderus works; start of the centuries-old tradition in iron and metal processing.
- 1884
Conversion of the Buderus Iron Works into a public limited company.
- 1954
Introduction of the investment casting process at the Buderus Iron Works.
- 1998
Founding of the parent company Impro Precision Industries Limited, headquartered in Hong Kong.
- 2004
Acquisition by Robert Bosch GmbH; integration of strategic business units.
- 2005
Reorientation and investments in production facilities and capacities.
- 2008
Further investments in production facilities strengthened the market position.
- 2013
BFG Feinguss GmbH has been part of the globally active Impro Group since March 2013.