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Carolinenhütte – Fertigung

Iron foundry for demanding grey cast iron and spheroidal graphite cast iron produced by hand moulding for one-off and small-series parts up to 9 t piece weight.

Carolinenhütte Logo

CAROLINENHÜTTE GmbH

93183 Kallmünz (Bavaria)New on Amplifa

1885Purchase of Carolinenhütte by Ing. Peter Höllein
5th generationFamily business
2 kg – 9 tPiece weight grey cast iron
50 kg – 4.5 tPiece weight spheroidal graphite cast iron
4400 x 4400 mmMaximum mould size

About Carolinenhütte

CAROLINENHÜTTE GmbH in Kallmünz is an iron foundry run as a family business in its fifth generation. It produces technically demanding castings in grey cast iron (EN-GJL-200 to EN-GJL-350) and spheroidal graphite cast iron (EN-GJS-350-22 to EN-GJS-600-3) using the hand moulding process for one-off and small-series production. The weight range extends from 2 kg (grey cast iron) or 50 kg (spheroidal graphite cast iron) up to a maximum of 9 t piece weight with dimensions of up to 4400 x 4400 mm. The range of services includes foundry consulting, solidification simulation, printed cores, pattern making, prototype production by full-mould casting, as well as CNC machining, painting and assembly – supplemented by machining via partner companies. The castings are used, among other things, in turbine manufacturing, automotive engineering, drive technology, machine tool construction, gearbox and pump manufacturing, shipbuilding as well as general mechanical and plant engineering. The sales market focuses primarily on Germany, Austria and Switzerland.

Site
Kallmünz
Processes
Hand moulding grey cast iron, Hand moulding spheroidal graphite cast iron, Full-mould casting (prototypes), Solidification simulation, Printed cores, Pattern making, CNC machining (milling, turning, drilling, honing, grinding), Painting
Materials
Grey cast iron EN-GJL-200, Grey cast iron EN-GJL-250, Grey cast iron EN-GJL-300, Grey cast iron EN-GJL-350, Spheroidal graphite cast iron EN-GJS-350-22, Spheroidal graphite cast iron EN-GJS-400-15, Spheroidal graphite cast iron EN-GJS-400-18, Spheroidal graphite cast iron EN-GJS-500-7
Certificates
DIN EN ISO 9001:2015, ABS works approval, Bureau Veritas works approval, DNV works approval, Lloyd's Register works approval, ISO 9001:2015, ABS approval, Bureau Veritas approval, DNV approval, Lloyd's Register approval
Founded
1885
Industries
Turbine manufacturing, Automotive engineering, Drive technology, Machine tool construction, General mechanical and plant engineering, Gearbox manufacturing
  1. 01

    Foundry consulting & casting design

  2. 02

    Solidification simulation

  3. 03

    Pattern making & printed cores

  4. 04

    Hand moulding / full-mould casting

  5. 05

    Heat treatment / core removal

  6. 06

    CNC machining (milling, turning, drilling, honing, grinding)

  7. 07

    Painting

  8. 08

    Assembly

  9. 09

    Non-destructive testing & 3D measurement

Materials & Production Processes

EN-GJL-200

Grey cast iron EN-GJL-200

Grey cast iron according to DIN EN 1561, piece weight 2 kg to 9 t, produced by the hand moulding process.

EN-GJL-250

Grey cast iron EN-GJL-250

Grey cast iron according to DIN EN 1561 for demanding machine components such as gearbox covers.

EN-GJL-300

Grey cast iron EN-GJL-300

Grey cast iron according to DIN EN 1561 for highly stressed components such as base frames up to 4457 kg.

EN-GJL-350

Grey cast iron EN-GJL-350

High-grade grey cast iron according to DIN EN 1561 for heavily stressed castings.

EN-GJS-350-22

Spheroidal graphite cast iron EN-GJS-350-22

Spheroidal graphite cast iron according to DIN EN 1563 with high toughness, piece weight 50 kg to 4.5 t.

EN-GJS-400-15

Spheroidal graphite cast iron EN-GJS-400-15

Spheroidal graphite cast iron according to DIN EN 1563, e.g. for X-slides and turbine components.

EN-GJS-400-18

Spheroidal graphite cast iron EN-GJS-400-18

Spheroidal graphite cast iron according to DIN EN 1563 for dynamically loaded castings.

EN-GJS-500-7

Spheroidal graphite cast iron EN-GJS-500-7

Spheroidal graphite cast iron according to DIN EN 1563 with increased strength for machine building components.

EN-GJS-600-3

Spheroidal graphite cast iron EN-GJS-600-3

High-strength spheroidal graphite cast iron according to DIN EN 1563 for smaller, highly stressed components.

Handformguss

Hand moulding process

Production of one-off parts and small series with mould sizes from 780 x 780 to 4400 x 4400 mm.

Vollformguss

Full-mould casting

Process for rapid prototyping of castings.

3D-Kerngedruckt

Printed cores

Additively manufactured cores for complex casting geometries.

Location

Standort Kallmünz

Kallmünz

DE

Headquarters / iron foundry

Part weight / size
Castings 2 kg to 9 t piece weight
Lot size
One-off parts, prototypes, small series
Materials
Grey cast iron EN-GJL-200 to 350, spheroidal graphite cast iron EN-GJS-350-22 to 600-3
  • Hand moulding facilities
  • Full-mould casting (prototypes)
  • Extraction system
  • ARTEC 3D Leo handheld scanner

Castings

Turbine wheel
Turbine wheelHand moulding · Turbine manufacturing
Guide wheel
Guide wheelHand moulding · Turbine manufacturing
Pump housing
Pump housingHand moulding · Pump manufacturing
Pump housing
Pump housingHand moulding · Pump manufacturing
Gearbox cover
Gearbox coverHand moulding · Gearbox manufacturing
Gearbox housing cover
Gearbox housing coverHand moulding · Gearbox manufacturing
X-slide
X-slideHand moulding · Machine tool construction
Base frame
Base frameHand moulding · Food machinery construction

Inside the production

Iron foundry Carolinenhütte in Kallmünz
Iron foundry Carolinenhütte in Kallmünz
Materials grey cast iron and spheroidal graphite cast iron
Materials grey cast iron and spheroidal graphite cast iron
Casting: base frame
Casting: base frame

Industries

Turbine manufacturingAutomotive engineeringDrive technologyMachine tool constructionGeneral mechanical and plant engineeringGearbox manufacturingPump manufacturingCompression moulding pressesToolmakingShipbuildingEngine manufacturingFood machinery constructionEngine manufacturing (BMW Group)Food machinery construction (PET stretch blow moulding machines)

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Hand moulding grey cast ironCasting–4400 mm × 4400 mm2 kg – 9 tOne-off part – Small seriesEN-GJL-200, EN-GJL-250, EN-GJL-300, EN-GJL-350
Hand moulding spheroidal graphite cast ironCasting–4400 mm × 4400 mm50 kg – 4.5 tOne-off part – Small seriesEN-GJS-350-22, EN-GJS-400-15, EN-GJS-400-18, EN-GJS-500-7, EN-GJS-600-3
Full-mould casting (prototypes)Casting–––Prototypes–
Solidification simulationEngineering–––––
Printed coresCasting–––––
Pattern makingEngineering–––––
CNC machining (milling, turning, drilling, honing, grinding)Machining––––EN-GJL-250, EN-GJS-400-15
PaintingSurface–––––
AssemblyAssembly–––––
Non-destructive testing (ultrasound, magnetic particle, dye penetrant testing quality level 3)Testing–––––
Metallurgical investigations / metallography / micrograph evaluationTesting–––––
3D measurement of componentsTesting–––––

2 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
3D handheld scannerARTEC 3D Leo–––Kallmünz
Extraction system–1––Kallmünz

Additional services

Foundry consultingSolidification simulationPrinted coresPattern makingCNC machining (milling, turning, drilling, honing, grinding)PaintingAssemblyNon-destructive testing (ultrasound, magnetic particle, dye penetrant, quality level 3)Metallurgical investigations / laboratory and metallographic testing3D measurement (ARTEC 3D)Prototypes (full-mould casting, one-off parts, small series)Machining via partner companies (pre-machined / finished machined castings)

Reference customers

BMW Group

Quality Assurance

The input materials are sourced exclusively from certified suppliers and spot-checked. Quality assurance comprises non-destructive testing (ultrasound, magnetic particle, dye penetrant testing quality level 3), laboratory and metallographic testing, tensile strength, Brinell hardness and notched bar impact testing as well as 3D measurement with the ARTEC 3D Leo handheld scanner.

EvidenceKallmünz
ISO 9001:2015
ABS approval
Bureau Veritas approval
DNV approval
Lloyd's Register approval

Company History

  1. Mittelalter

    Origin as a blast furnace and hammer mill on the Bavarian Iron Road

  2. 19. Jahrhund

    Development into an iron foundry by Herr von Bechtel

  3. 1882

    Shutdown of Carolinenhütte

  4. 1885

    Purchase of Carolinenhütte by Ing. Peter Höllein

  5. Takeover of the works by Raimund and Hans Höllein

  6. Entry of the 4th generation, Raimund Höllein jun., and subsequent takeover

  7. Entry of the 5th generation, Caroline Höllein and Maximilian Höllein

  8. Change of company name to CAROLINENHÜTTE GmbH

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