FAQ
Your questions, our answers
Induction hardening is a crucial process for making components more resistant and durable. But how exactly does it work, what advantages does it offer and where is it used? In our FAQs you will find the most important information explained clearly and comprehensibly – whether you want to deepen your specialist knowledge or simply find out more about this innovative process.
What is induction hardening?
Induction hardening is a heat treatment process in which workpieces are selectively heated by electromagnetic induction and then quenched. This results in a harder surface, while the inside of the workpiece remains tough.
What are the advantages of induction hardening?
- Precise hardening of precisely defined areas
- Reduced risk of warping compared to conventional processes
- Fast process times
- Environmentally friendly, as less energy consumption and no harmful chemicals are required
For which materials is induction hardening suitable?
The process is particularly suitable for steels with a medium to high carbon content, such as carbon steel or alloyed steels. Certain cast iron alloys can also be hardened.
Which workpieces can be induction hardened?
Typical applications include gear wheels, shafts, bolts, bearings, crankshafts and other components that are exposed to high loads.
How deep does the hardening penetrate into the material?
The hardening depth depends on the frequency, the power and the process duration. It is typically between 0.5 mm and 5 mm.
What is the difference between inductive hardening and other hardening processes?
In contrast to processes such as flame hardening or carburizing, induction hardening only heats and hardens the surface of the workpiece, which reduces the risk of distortion and shortens the processing time.
Is induction hardening suitable for small series or individual parts?
Yes, induction hardening is economical and efficient for large-scale production as well as for small quantities or prototypes.
Can hardening be used for complex geometries?
Yes, customizable induction coils allow the process to be adapted to different geometries and specific hardening requirements.
Questions & answers about
your application with us
How should I apply for a job at EMA Indutec?
We prefer applications by e-mail to recruiting@ema-indutec.com.
Are all jobs advertised on the website?
In principle, all open positions are published on our website and updated regularly. Once we have filled a position, the corresponding advertisement is removed.
What should I do if I am interested in several vacancies and would like to apply?
Please send us your application documents, stating which positions you are interested in.
Can I apply for jobs that are not currently advertised?
We are happy to receive your unsolicited application and will contact you as soon as a position that matches your experience and qualifications becomes available.
What does the application process at EMA Indutec look like?
We check the application documents by comparing our requirements profile with the applicant’s experience and qualifications. Those who meet the requirements are invited to interviews with the specialist and HR departments. You will be kept informed about the progress of your application at all times.
Are internships offered and how many places are awarded each year?
We generally offer vacation internships, mainly in the areas of mechanical and electrical design. Depending on the resources available, we decide each year whether we can offer internships and appropriate supervision. We offer professional internships, internships as part of a retraining program and mandatory internships as part of a university education as well as bachelor’s and master’s theses, provided that the internships or topics fall within our areas of expertise.
Are apprenticeships offered?
We currently offer the following apprenticeships:
- Industrial mechanic specializing in mechanical and systems engineering
- Electronics technician specializing in devices and systems
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