Engineered by
Kehren
  • us

Principles

Our self-image

KEHREN is a family owned company. Our basic potential is our acquired know-how, the solidarity of our employees and our true relationship to our suppliers and our customers. We will develop this potential in a way that success will effect on everybody involved. KEHREN employees are required to comply with the company principles.

Our values

To succeed requires the long-term satisfaction of our employees and business partners.
日本特级做人爱c级Inter-personnel dealings are characterized by

  • Openness and mutual respect
  • Confidence and reliability.

We are open-minded with regard to new developments. We accept the responsibility we all have for our company and we contribute to the benefit of society in this way.

Our competence

日本特级做人爱c级Our competence is the manufacturing and sale of grindig machine and grinding centres. We develop leading technology and offer a comprehensive service. We can provide solutions for our customers needs using our aquired know-how and our expertises. We react according to the changing demands of the market.

Our market

We are acting in market segments where we have been well-known as a competent and reliable business partner for decades. We feel at home on global markets. The satisfaction of our customers is our first priority. We secure our competitiveness by reliable, innovative technology, quick reactions and a maximum of flexibility.

Our quality philosophy

日本特级做人爱c级We will constantly advance our quality management system, our processes, our products and service to secure our business in the long term. Our first priority is to adhere to the legal and normative requirements of our products. We make highest demands to the safety of products for the security of our customers.

 

History

1934 Founded by Paul Kehren, dealer for alloyed steel and subcontracor for “Deutsche Bahn” – railway Company
1949 Development and manufacturing of rotary table grinding machines
1963   After the death of the founder, the company is taken over by his son Helmut Kehren
1980 KEHREN equips the first grinder with CNC-control (Siemens Primo SG).
1989 The vertical grinding machine “Ri” with rotary table is developed and delivered one year later.
1993 Helmut Kehren dies, the company is taken over by Dr. Neumann and by Richard Krämer, who becomes sole executive director. 
Reorganizing and downsizing the vertical range of manufacture allows the workforce to be reduced from 98 to 54 employees.
1996 Development of the backlash-free direct drive of a rotary table, for grinding curves and serrations for example. 
The first machine is delivered to INDEX in 1997.
2001 Presentation of the first Ri grinder with Y-Axis in the side support
2002 Ulrich Krämer is appointed technical director, Bruno Mies becomes commercial director
2003 Development and presentation of the grinding machine in portal design
2004 Presentation of a Y-axis in the grinding head, for serration grinding
2005 Enlargement fo the Ri series by the Ri 4 and Ri 5 model
2006 Presentation of the Ri 8-4 grindturn model in slant bed design and enhanced ergonomics
2008 Development of a new hydrostatic table bearing with fewer components, with improved stiffness, improved true running and better damping properties. 
Implementation of hard turning and hard milling into the machining process 
2009 75th anniversary of the company founding
2011 Development of a new drive concept for the x-axis, hydrostatics in combination with a direct drive.
2012 Development and manufacturing of KEHREN grinding spindles for all KEHREN products
2013 Inauguration of a new assembly shop
2014 Development of a new, compact grinding centre in portal design for machining 5 faces of a work piece in one clamping
2019 Kehren becomes a Member of the Precision Surfacing Solutions Group
Precision Surfacing Solutions family of brands
PSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeter PSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeter
  • PRECISION SURFACING SOLUTIONS

    日本特级做人爱c级PRECISION SURFACING SOLUTIONS supports manufacturers in a wide variety of industries in which precision grinding, lapping, polishing, deburring and advanced materials processing equipment is commonly used. They all need high-quality, high-precision, stable and well-engineered machines to manufacture high-quality work pieces.

  • Micron

    Produced in Germany since 2009, MICRON machines are compact and dynamically rigid grinding machines especially designed for Creep Feed and Profile grinding. MICRON is an industry leader in grinding of Hydraulic components like stators, rotors and van pumps.

  • KEHREN

    Founded in 1934, KEHREN is a well-established designer and builder of high-precision grinding machine tools and systems under the following categories: vertical grinding centers, vertical grinding centers with portal design, surface grinders with rotary tables and horizontal spindles, and surface grinders with dual rotary tables and vertical spindles.

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  • REFORM

    日本特级做人爱c级REFORM Grinding Technology GmbH is specialized in the sales, development & production of grinding machines for various applications at its location in Fulda (Germany).

  • aba Grinding

    日本特级做人爱c级The aba company was founded in 1898 under the name "Messwerkzeugfabrik Alig & Baumgärtel Aschaffenburg", hence the initials aba. Today, the aba Grinding Technologies is exclusively focused on the advancement and production of precision surface and profile grinding machines.

  • ELB-Schliff

    日本特级做人爱c级ELB-Schliff Werkzeugmaschinen GmbH has been producing surface and profile grinding machines for over 60 years. The company was founded by Edmund Lang in the city of Babenhausen which led to the name "ELB-Schliff".

  • Barnes Honing

    Since 1907 Barnes has been considered a world leader in developing innovative honing and bore finishing technology and processes. The earliest Barnes honing machines were the first to make honing a practical and efficient means of finishing automotive cylinder bores in a production environment.

  • Lapmaster Wolters

    Founded in Chicago in 1948 as a manufacture of lapping and polishing machines for the mechanical seal market, Lapmaster has grown to a worldwide solution provider for more than 20 industries like precision optics and advanced materials.

  • Peter Wolters

    Founded in Germany in 1804 by Mr. Peter Wolters, Peter Wolters has been producing lapping, polishing and fine grinding equipment since 1936. In 2019 Precision Surfacing Solutions acquired the division Wafer plant and service business for photovoltaic and special materials of Meyer Burger. Further Information can be found at www.precision-surface.ch

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