Our Philosophy<\/span><\/span><\/h1>\nDue to decades of experience and presence on the foundry market, e-form is constantly familiar with new techniques. It is our task to constantly solve new problems and use innovations professionally and profitably.<\/span><\/span><\/p>\nHighest quality and precision must be maintained, as the products are exposed to continuous thermal and mechanical stress for up to 24 hours a day.<\/span> Our market presence covers the entire foundry industry worldwide.<\/span> From small simple\u00a0flasks for handmoulding<\/strong> up to complex equipment assemblies, we offer our experience in the design and manufacture of welded and cast iron boxes, cooling cars and hardened guide parts.<\/span><\/span><\/p>\nWe always strive to produce our products with the highest quality and accuracy in the time frame yout set. Our complete deliveries include, if necessary, the preparation of engineering drawings, procurement of all raw materials, mechanical processing of the raw parts and assembly of all accessories.<\/span> With state-of-the-art CNC processing machines, we can achieve a precise reproducible<\/span> of our products in only 2 clamping operations.<\/span> Herewith, we produce casting results even in the largest flasks<\/strong>, which are unsurpassed so far.<\/span>
\n<\/span><\/p>\n<\/div><\/div><\/div><\/div>![](\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27150%27%20height%3D%27300%27%20viewBox%3D%270%200%20150%20300%27%3E%3Crect%20width%3D%27150%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\")
<\/div><\/div><\/div><\/div><\/div>The history<\/span><\/span> of E-Form<\/h1>\nThe businessman Hermann Rosendahl and the technician Willi Bosselmann founded the company on April 1, 1920 under the name Bosselmann & Co. in Ennepetal-Rahlenbecke. First, the production included the manufacture of forged flask parts, whereby – as usual at that time – most flasks were manufactured as clamping frames.<\/p>\n
Shortly after start of production, the plant was moved to Altenvoerde-Walkm\u00fchle and remained there until 1957, where it survived the economic crises of the Weimar Republic, albeit with great difficulty. Willi Bosselmann retired at the end of the 1920s from the company. His partner Hermann Rosendahl continued the company as sole owner; shortly afterwards he was supported by his son Werner Rosendahl, who managed the branch factory founded in Gevelsberg in the mid-30s. Only clamping frames were produced in this plant, while the Altenvoerde plant produced flasks of a larger and more complicated type.<\/p>\n<\/div>
<\/div><\/div><\/div>![](\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27225%27%20height%3D%27300%27%20viewBox%3D%270%200%20225%20300%27%3E%3Crect%20width%3D%27225%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\")
<\/div><\/div><\/div>Like many other companies at that time, Bosselmann & Co. had to work for armaments production during the World War II. After the end of the war, however, the warehouse was full: numerous completed and prefabricated flasks – mainly deliveries for Sudetenland – could no longer be delivered. Since the individual foundries resumed their production relatively quickly after 1945, Bosselmann & Co. sold its inventories well. Slowly, the new production started again, although the producement was associated with difficulties.<\/p>\n
After the currency cut in 1948, things went quickly; there was a lot of catching up to do and new workers were hired. Werner Rosendahl did not experience the new upswing: he died in 1949; the company grew constantly. In 1957 it was moved to its present location in Ennepetal-Altenvoerde, Loher Stra\u00dfe, and at the same time renamed “Ennepetaler Formkastenwerk”. The move to the new and more spacious factory halls and office buildings made it possible to rationalise production to a large extent and to use modern machinery to meet the increased requirements of the foundry industry. In 1960 Hermann Rosendahl died, who had tirelessly made the plant into a leading manufacturer of flaskes.<\/p>\n<\/div>
<\/div><\/div><\/div>![](\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27239%27%20height%3D%27179%27%20viewBox%3D%270%200%20239%20179%27%3E%3Crect%20width%3D%27239%27%20height%3D%27179%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\")
<\/div><\/div><\/div>After his death the company was transformed into a limited partnership, and Marianne B\u00fchren-Rosendahl – daughter of the company founder – took over as the director and sole owner the management\u00a0 of the company, together with her husband Erwin B\u00fchren and the authorised signatory G\u00fcnter Hochwahr. The company logo “e-form”, which has become a household name in the global foundry industry to this day, also became famous at this time. In the 1960s, the production of flasks in welded constructions for semi-automatic and fully automatic vibratory press moulding plants was started. These flasks became an essential part of the production programme and the clientele grew constantly. Already at this time the clientele was not limited to Europe. Foundries from North and South America as well as some African and Asian countries bought flasks from e-form.<\/p>\n
On April 1, 1970, the company’s 50th anniversary was celebrated with many guests from home and abroad. In the mid-1970s, NC technology also found its way into the machining of flasks and cooling cars. However, the investment volume of the foundries decreased very much in the following years. Of course, this situation also affected the flask. Many foundries had to close their doors due to the economic situation. In 1983 Erwin B\u00fchren died suddenly and too early. Marianne B\u00fchren-Rosendahl retired from active business at the end of 1984 and son Werner B\u00fchren became sole owner and managing director. At his side is his wife Carola B\u00fchren. She regulates the financial interests of the company. G\u00fcnter Hochwahr, authorized signatory, retired at the end of 1984.<\/p>\n<\/div>
<\/div><\/div><\/div>![](\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27237%27%20height%3D%27178%27%20viewBox%3D%270%200%20237%20178%27%3E%3Crect%20width%3D%27237%27%20height%3D%27178%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\")
<\/div><\/div><\/div>In April 1986, Norbert Lewandowski also became Managing Director of our company. His area of responsibility is purchasing and sales. The generation change was completed. At the beginning of the 1980s there was another change in foundry technology. New compaction systems were introduced in moulding plants.<\/p>\n
The classic flask became a precision machine part. The proportion of cast-iron flasks and standing railway carriages increased consistently. The dimensions of the parts also increased. Ever larger CNC bed milling machines had to be invested. The company turned 75 on April 1, 1995. This anniversary was also acknowledged by the visit of many guests.<\/p>\n
In 1996 the first portal milling machine was purchased. The range of parts to be machined parallel to flasks also increased. Among other things, many different transmission housings, machine parts and oil pans for large marine diesel engines are mechanically processed and measured at e-form today. The last major investment was made in January 2018. A new 5th axis large portal milling machine was acquired. e-form is also well equipped for the coming years. The plant in Ennepetel-Altenvoerde is constantly expanded and the machinery is constantly modernised.<\/p>\n
In June 2014 the long-time owner and managing director Werner B\u00fchren has entered his well-deserved retirement.
\nSince then Frank Lewandowski has been the new owner and managing director of Ennepetaler Formk\u00e4sten B\u00fchren GmbH.<\/p>\n<\/div>
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Highest quality and precision must be maintained, as the products are exposed to continuous thermal and mechanical stress for up to 24 hours a day.<\/span> Our market presence covers the entire foundry industry worldwide.<\/span> From small simple\u00a0flasks for handmoulding<\/strong> up to complex equipment assemblies, we offer our experience in the design and manufacture of welded and cast iron boxes, cooling cars and hardened guide parts.<\/span><\/span><\/p>\n We always strive to produce our products with the highest quality and accuracy in the time frame yout set. Our complete deliveries include, if necessary, the preparation of engineering drawings, procurement of all raw materials, mechanical processing of the raw parts and assembly of all accessories.<\/span> With state-of-the-art CNC processing machines, we can achieve a precise reproducible<\/span> of our products in only 2 clamping operations.<\/span> Herewith, we produce casting results even in the largest flasks<\/strong>, which are unsurpassed so far.<\/span> The businessman Hermann Rosendahl and the technician Willi Bosselmann founded the company on April 1, 1920 under the name Bosselmann & Co. in Ennepetal-Rahlenbecke. First, the production included the manufacture of forged flask parts, whereby – as usual at that time – most flasks were manufactured as clamping frames.<\/p>\n Shortly after start of production, the plant was moved to Altenvoerde-Walkm\u00fchle and remained there until 1957, where it survived the economic crises of the Weimar Republic, albeit with great difficulty. Willi Bosselmann retired at the end of the 1920s from the company. His partner Hermann Rosendahl continued the company as sole owner; shortly afterwards he was supported by his son Werner Rosendahl, who managed the branch factory founded in Gevelsberg in the mid-30s. Only clamping frames were produced in this plant, while the Altenvoerde plant produced flasks of a larger and more complicated type.<\/p>\n<\/div> Like many other companies at that time, Bosselmann & Co. had to work for armaments production during the World War II. After the end of the war, however, the warehouse was full: numerous completed and prefabricated flasks – mainly deliveries for Sudetenland – could no longer be delivered. Since the individual foundries resumed their production relatively quickly after 1945, Bosselmann & Co. sold its inventories well. Slowly, the new production started again, although the producement was associated with difficulties.<\/p>\n After the currency cut in 1948, things went quickly; there was a lot of catching up to do and new workers were hired. Werner Rosendahl did not experience the new upswing: he died in 1949; the company grew constantly. In 1957 it was moved to its present location in Ennepetal-Altenvoerde, Loher Stra\u00dfe, and at the same time renamed “Ennepetaler Formkastenwerk”. The move to the new and more spacious factory halls and office buildings made it possible to rationalise production to a large extent and to use modern machinery to meet the increased requirements of the foundry industry. In 1960 Hermann Rosendahl died, who had tirelessly made the plant into a leading manufacturer of flaskes.<\/p>\n<\/div> After his death the company was transformed into a limited partnership, and Marianne B\u00fchren-Rosendahl – daughter of the company founder – took over as the director and sole owner the management\u00a0 of the company, together with her husband Erwin B\u00fchren and the authorised signatory G\u00fcnter Hochwahr. The company logo “e-form”, which has become a household name in the global foundry industry to this day, also became famous at this time. In the 1960s, the production of flasks in welded constructions for semi-automatic and fully automatic vibratory press moulding plants was started. These flasks became an essential part of the production programme and the clientele grew constantly. Already at this time the clientele was not limited to Europe. Foundries from North and South America as well as some African and Asian countries bought flasks from e-form.<\/p>\n On April 1, 1970, the company’s 50th anniversary was celebrated with many guests from home and abroad. In the mid-1970s, NC technology also found its way into the machining of flasks and cooling cars. However, the investment volume of the foundries decreased very much in the following years. Of course, this situation also affected the flask. Many foundries had to close their doors due to the economic situation. In 1983 Erwin B\u00fchren died suddenly and too early. Marianne B\u00fchren-Rosendahl retired from active business at the end of 1984 and son Werner B\u00fchren became sole owner and managing director. At his side is his wife Carola B\u00fchren. She regulates the financial interests of the company. G\u00fcnter Hochwahr, authorized signatory, retired at the end of 1984.<\/p>\n<\/div> In April 1986, Norbert Lewandowski also became Managing Director of our company. His area of responsibility is purchasing and sales. The generation change was completed. At the beginning of the 1980s there was another change in foundry technology. New compaction systems were introduced in moulding plants.<\/p>\n The classic flask became a precision machine part. The proportion of cast-iron flasks and standing railway carriages increased consistently. The dimensions of the parts also increased. Ever larger CNC bed milling machines had to be invested. The company turned 75 on April 1, 1995. This anniversary was also acknowledged by the visit of many guests.<\/p>\n In 1996 the first portal milling machine was purchased. The range of parts to be machined parallel to flasks also increased. Among other things, many different transmission housings, machine parts and oil pans for large marine diesel engines are mechanically processed and measured at e-form today. The last major investment was made in January 2018. A new 5th axis large portal milling machine was acquired. e-form is also well equipped for the coming years. The plant in Ennepetel-Altenvoerde is constantly expanded and the machinery is constantly modernised.<\/p>\n In June 2014 the long-time owner and managing director Werner B\u00fchren has entered his well-deserved retirement.
\n<\/span><\/p>\n<\/div>The history<\/span><\/span> of E-Form<\/h1>\n
\nSince then Frank Lewandowski has been the new owner and managing director of Ennepetaler Formk\u00e4sten B\u00fchren GmbH.<\/p>\n<\/div>