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Machining of large diameters

GermanyBonn, Düsseldorf and North Rhine and Westphalia
  1. ROHRBEARBEITUNG KETTERER

    Germany

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    Rohrbearbeitung Ketterer – abrasive cutting test centre/Abrasive cutting for tool and machine building – Wet or dry cutting. We are certified to ISO 9001. Series production runs and prototype development for the automotive, aero-engineering and other industries. We are the specialists in processing hard-to-cut materials. Stainless steel, nickel, titanium, molybdenum, tungsten, vanadium, tantalum, niobium, gold, carbide and also ceramic and composite materials such as CFK or GFR. Pipes with wall thicknesses from 0.1 mm. Outer diameters from 1.0 mm to 200 mm. Cutting lengths from 3.0 mm. Calibration, expanding, notches, hole punching. Series production: Cutting tube-formed parts on 3D-formed clamping devices. Manufacturing pipe elbows from tube coils. Carbide blanks. Up to 40 mm outer diameter. Tool manufacturing: Quick-change fixtures with 3D-milled forms according to your dataset. Pneumatic clamping and cooling water supply on the standard base block. Machine building: Individual construction according to customer requirements. Manual machine – manual cutting with pneumatic clamping – for quick-change devices. Half-automated machines/manual cutting/clamping and pneumatic/electric feed. Fully automated (also with robotic handling system) for large-scale production.

  2. WILHELM MEIER SPINDELN U. DREHTEILE GMBH + CO. KG

    Germany

    The medium-sized industrial company manufactures large spindles, series-produced spindles, turned parts and milled parts, especially spindles and nuts with trapezoidal threads, to customer specifications. The manufacturer is a partner of well-known companies in sectors including mechanical engineering, drive technology and fittings construction in Germany and Europe. Production techniques: - THREADS: Rolling, whirling, turning, cutting, chasing; - TURNING: On multi-axis CNC machines and conventionally; - MILLING: On four-axis CNC machining centres and conventionally; - MULTI-SPINDLE MACHINING: On six-spindle machines and automatic lathes; - SURFACES: Burnishing, grinding, finishing. Machining range: - Large spindles whirled up to a diameter of 130 mm diameter and length of 6000 mm - Series-produced spindles rolled up to a diameter of 36 mm and length of 3300 mm - Complex turned and milled parts with a bar length of up to 65 mm - Machinig chucks up to 400 mm - Surface embellishment by means of grinding, polishing, finishing, chrome plating, etc."Quality - Made in Germany" – since 1952.

  3. PHIESEL GMBH

    Germany

    Founded in 1977, the medium-sized company Phiesel GmbH is an highly modern turning plant that manufactures precision-turned parts and milled parts from a multitude of materials for clients in various industries. Our expertly trained employees, who number around 90 in all, produce turned parts in batches as small as 20–30 units up to large-scale production with batch sizes of 6.5 million parts. At our turning plant, in addition to the manufacturing of precision-turned parts within the permitted tolerances, we also produce fully assembled product components up to a diameter of 160 mm – made from steel, stainless steel and non-ferrous metals such as aluminium or brass. Our long-standing customers from all over the world for whom we produce precision-turned and milled parts predominantly come from the automotive industry (chassis and connection parts), appliance industry/white goods (drive elements, pump components, ventilation elements), and valve and machine/gear manufacturing.

  4. OTTO JUNKER CM GMBH

    Germany

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    The Otto Junker high-grade steel foundry in Lammersdorf, Simerath (20 km south of Aachen), specialises in special alloys. Our range of materials offers customers a wide selection of high-alloy iron-, nickel- and cobalt-based varieties. These materials are melted in highly efficient induction ovens, using vacuum technology where required. Our range of products includes corrosion-resistant alloys, heat-resistant alloys, non-magnetisable alloys, hard-wearing alloys and multiple special nickel- and cobalt-based alloys. We also make cast ferrous materials designed to handle exceptionally high levels of stress corrosion from JUNKERALLOY® nickel-based alloys. We have been producing and supplying many of these materials for decades. We produce more materials than are shown on our website – about 100 varieties in total.