Machinery and equipment for the glass and silicon industry

ARNOLD is one of the worldwide leading manufacturers of burners, tools and machines as well as ready-to-use systems for customers in the area of silicon for semicondutor and photovoltaic, glass and quartz glass processing, fibre-optic and the automotive production.



For more than 30 years we have been operating as partners of the automotive industry and its suppliers in the automation of production processes and production procedures. Our mission is a long-term and prosperous partnership with satisfied customers, due to innovative and future-orientated know-how.
Our team of automation technology specialists will plan and produce your customized system solution, for instance in the assembly automation for aggregate and carrier components, in the automatic assembly of cable looms in the foundry practice etc.



Our core competence in photovoltaics and semiconductor poly-Si processing is the mechanic cutting, notch-and roundgrinding, surface- and chamfergrinding, squaring, rod- and profilgrinding / polishing of silicon ingots.

Arnold can offer innovative, stand alone machines, as well as machines developed according to your individual requirements and specifications, such as complete processing centres and custom-tailored complete systems with an automatic linkage of all production processes and an intelligent assembly control system.

Short profile

- Founded in 1950

- HQ Weilburg/Lahn

- About 150 employees

The Arnold Group consists of the following companies:

- Herbert Arnold GmbH & Co. KG
- Helmich Automationstechnik
- Heathway Ltd.
- B&C

Glass and quartz glass processing

Based on our traditional values and experience regarding the thermal and mechanical processing of glass and our ability to develop highly-engineered production lines and systems, we can offer you a wide range of burners, tools and standard machines manufactured for superior glass specialist firms as well as complex process solutions, i.e. for the solar thermal glass tube production, the high-precision resizing of quartz glass tubes, the completely automated production of laboratory and lamp-glass and other specific applications for thermal glass processing.



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70 Years Herbert Arnold GmbH & Co. KG

September 30, 2020

Exactly on the day 70 years ago, on October 1st 1950, with a one-man business, Herbert Arnold laid the foundation for a company with worldwide reputation.

The company, meanwhile run in the third generation, has developed over 7 decades into one of the leading manufacturers of machines and special systems in the field of processing special glass and silicon as well as the automation technology.

In recent years, innovations in the processing of brittle materials such as glass, quartz glass, ceramics or silicon have repeatedly introduced into the market by our company.

We are proud of what we have achieved over many years and look back on a long and great history. On behalf of the management, we would like to thank everyone, contributing significantly to this success story.

Due to Covid-19 we unfortunately cannot celebrate this anniversary this year.

But we very much hope, that we will be able to catch up the celebrations next year and would like to invite you to this celebration right now.


Innovation by Tradition – Arnold Group

ARNOLD congratulates their trainees for precision engineering mechanics on passing their final exam.

February 04, 2020

On January 27th, 2020 the trainees Mr. Tim Hagner, Mr. Leon Seide as well as Sergey Tscherkaschin completed their 3 ½ years’ apprenticeship as precision engineering mechanics.


All three proved their theoretical knowledge as well as their craftsmanship in front of the Kreishandwerkschaft Lahn-Dill and were thus able to achieve a great conclusion of their training.


We would like to congratulate them on successfully passing their exams and are pleased to welcome our three former trainees as qualified craftsmen again from 28.01.2020 and

wish them all the best and much success for their future work in our company.

Apprenticeship Champion: Sven Hedrich, honored by the Industrie- und Handelskammer Limburg with the grade “very good”

September 04, 2019

Sven Hedrich, who started his vocational training for an industrial electronics technician on August 1st 2015, passed the IHK final examination achieving 94 points and thus finalized with the overall result “very good”.

The honor of apprenticeship champion has been given by IHK-Limburg president Ulrich Heep and general manager Monika Sommer, in the presence of instructor Kai Bergmann, on August 29th, 2019.

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 Our clearly arranged catalogs in PDF format

Inform yourself about our machines, burners and tools, clearly arranged in our catalogs and complete with all details and technical data 
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Covid-19 rules for visitors

Please note our access and hygiene rules when visiting Arnold.