{"id":21964,"date":"2026-04-09T06:00:24","date_gmt":"2026-04-09T06:00:24","guid":{"rendered":"https:\/\/dev.guehring.com\/gewindeformer-va-pionex-success-story\/"},"modified":"2026-04-22T14:05:55","modified_gmt":"2026-04-22T14:05:55","slug":"products-threading-pionex-inox-va-success-story","status":"publish","type":"post","link":"https:\/\/guehring.com\/de-en\/products-threading-pionex-inox-va-success-story\/","title":{"rendered":"Mastering VA threads with ease"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.5″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.23.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Nuclear reactor in decommissioning <\/span>
\nMastering VA threads with ease<\/span><\/h1>\n

What happens to a nuclear power plant when it is no longer needed? Whereas other buildings are simply demolished, scrapped and disposed of, dismantling a nuclear power plant is much more complex: some of the huge metal components are contaminated with radiation and must be dismantled using specially developed equipment.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”3_4,1_4″ module_class=”gue-page-header” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”3_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/guehring.com\/wp-content\/uploads\/2026\/04\/Header_WeisserBaerwinkel_1720x1100px.jpg” alt=”Drei M\u00e4nner im Beratungsgespr\u00e4ch in der Produktion von Weisser B\u00e4rwinkel” title_text=”Drei M\u00e4nner im Beratungsgespr\u00e4ch in der Produktion von Weisser B\u00e4rwinkel” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_column][\/et_pb_row][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

When an energy supplier decommissioned a nuclear power plant, Weisser B\u00e4rwinkel<\/a> was one of the first points of contact. The company, based in Maulburg (L\u00f6rrach district), develops machines that dismantle steel structures, cut equipment and even filter contaminated water. \u201cWe break down large nuclear power plants into small pieces,\u201d summarises director Michael Kern. Weisser B\u00e4rwinkel covers a wide depth of production, including laser cutting, welding, milling and assembly. Seven lathes and milling machines are available for mechanical machining operations, along with a 25-strong production team working in shifts, as well as designers and engineers.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Thread tapping in demanding materials<\/h2>\n

The systems built at Weisser B\u00e4rwinkel sometimes extend over several building levels and consist of high-grade steel components. From raw water tanks and pipes to high-pressure pumps, Weisser B\u00e4rwinkel handles the manufacturing of every component itself. All components that come into contact with liquids are made of 1.4571 high-grade steel and connected via countless precisely cut threads. High-grade steel is a challenging material for thread machining, especially in qualities such as 1.4571 or 1.4404. \u201cThe chips are tough, break poorly and can get stuck, especially in blind holes,\u201d explains Michael Kern. This was precisely the central challenge in thread production. For a long time, Weisser B\u00e4rwinkel used a competitor\u2019s tool for thread cutting. However, recurring problems arose with certain components, especially in tough high-grade steel. Sales representative Oliver Mattes from G\u00fchring recalls: \u201cThe threads have always been a big issue. It was simply a process that repeatedly caused difficulties, especially in INOX. Since we started using Pionex, the customer has had no more worries.\u201d[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

All-rounder with a focus on INOX<\/h2>\n

The Pionex is a tap for a wide material range, optimised for high-grade steels. Its geometry reduces torque and improves chip removal \u2013 a decisive advantage with tough INOX materials. For Weisser B\u00e4rwinkel, this means fewer tool breakages, more stable processes and shorter cycle times. The drill is available in versions for blind holes and through-holes. This allows both narrow, closed internal contours and long threaded holes to be manufactured reliably.<\/p>\n

\u201cWith the Pionex, the threads run reliably and we can work precisely,\u201d explains Michael Kern. \u201cProcess reliability has increased significantly.\u201d In addition to high-grade steel, Weisser B\u00e4rwinkel also performs machining operations on materials such as grey cast iron, mild steel and cast aluminium. \u201cThe customer performs machining on many different materials,\u201d explains Mattes. \u201cWith the universal Pionex, we can cover all of them.\u201d The tool is a powerful all-rounder and suitable for a wide material range \u2013 an advantage for operations that need to manufacture flexibly.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ make_equal=”on” _builder_version=”4.27.4″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_3″ module_class=”gue-quotebox-3col-column” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb alt=”Philipp Kunze” _builder_version=”4.27.6″ _module_preset=”default” background_image=”https:\/\/guehring.com\/wp-content\/uploads\/2024\/02\/GUE_website-pikto_zitat.svg” global_colors_info=”{}”]\u201eThis is economically interesting because I use tools for as long as they are costeffective and can even recycle them afterwards.\u201d<\/p>\n

Michael Kern<\/strong>
\nDirector, Weisser B\u00e4rwinkel[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

High-level optimisation<\/h2>\n

Weisser B\u00e4rwinkel has been using the Pionex for over ten years now. But although the tool works reliably, G\u00fchring has not stopped product development. Six months ago, the Pionex received a facelift. All variants were then converted in the company. The further development is particularly evident in improved cutting edge geometry, optimised chip spaces and a tool with a high level of performance. These factors are particularly effective in INOX materials, where conventional tools quickly reach their limits. \u201cIt is an advantage of G\u00fchring that they continue to develop at a high level,\u201d says Michael Kern. \u201cThe new facelift offers me even greater process reliability. I can perform more machining operations and the tool works even faster.\u201d<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

A collaboration that pays off<\/h2>\n

In addition to the tool itself, Michael Kern is particularly impressed by the excellent service provided by G\u00fchring. \u201cThe service at G\u00fchring is simply superb,\u201d praises M. Kern. \u201cYou can call them, the G\u00fchring Online Shop is good, and it contains cutting data that you can use without hesitation. And if we have any questions, we get answers very quickly.\u201d The company also uses G\u00fchring\u2019s complete tool cycle: drills and milling cutters are sent in a service box for refurbishment. Tools that can no longer be reground are collected in two yellow barrels in the manufacturing department and then sent to the G\u00fchring recycling facilities \u2013 150 kilograms of carbide per year. The company closes the loop completely with Tool Management and receives an additional 15 % bonus on the carbide market price. \u201cThis is economically interesting because I use tools for as long as they are cost-effective and can then even recycle them,\u201d explains Michael Kern.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_class=”gue-row-text-module” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Tool Performance Report<\/h2>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n\n\n\n\n\n\n\n\n\n\n
Tool<\/th>\nPionex<\/th>\nCompetitor<\/th>\n<\/tr>\n<\/thead>\n
Article number<\/td>\n# 8330, #8354<\/td>\n–<\/td>\n<\/tr>\n
Material<\/td>\nX6CrNiMoTi17-12-2 (1.4571)<\/td>\nX6CrNiMoTi17-12-2 (1.4571)<\/td>\n<\/tr>\n
Diameter (\u00d8)<\/td>\nM2 \u2013 M20<\/td>\nM2 \u2013 M20<\/td>\n<\/tr>\n
Cutting speed (Vc<\/sub>)<\/td>\n10 m\/min<\/td>\n6 m\/min<\/td>\n<\/tr>\n
Thread depth (ap<\/sub>)<\/td>\n2xD<\/td>\n2xD<\/td>\n<\/tr>\n
Tool life<\/td>\n450 threads<\/td>\n350 threads<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

[\/et_pb_text][et_pb_text module_class=”gue-row-text-module” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

    \n
  • 28 % longer tool life with 40 % faster machining<\/strong><\/li>\n<\/ul>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.21.0″ _module_preset=”default” saved_tabs=”all” locked=”off” global_colors_info=”{}”][et_pb_row module_class=”gue-row-text” _builder_version=”4.23.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.21.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

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    Decommissioning nuclear power plants demands maximum precision\u2014especially for stainless steel threads. Weisser B\u00e4rwinkel relies on G\u00fchring\u2019s Pionex to master even tough materials. The result: more stable processes, longer tool life, and higher productivity.<\/p>\n","protected":false},"author":2,"featured_media":21953,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[106,120],"tags":[],"class_list":["post-21964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","category-threading"],"yoast_head":"\nMastering VA threads with ease - G\u00fchring KG<\/title>\n<meta name=\"description\" content=\"Customer relies on Pionex to master even tough materials. The result: more stable processes, longer tool life, and higher productivity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/guehring.com\/de-en\/products-threading-pionex-inox-va-success-story\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mastering VA threads with ease\" \/>\n<meta property=\"og:description\" content=\"Customer relies on Pionex to master even tough materials. 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