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Oelheld GmbH is a medium-sized business which can look back on 130 years of tradition and experience. Since its foundation in 1887 by Carl Christian Held, Oelheld GmbH has established itself as a lubricant specialist. Partnership, research and Human Technology are our core values and are traditions that we are proud of. We see research and development as our key to success. That is why we invest continuously in this area, both technically with the most modern machine tools, analysis and testing equipment as well as in personnel training for our employees. The engineers and technicians in our R&D department develop tailor-made products using technologies that have proven themselves worldwide for many years while also considering the latest base oil and additive technologies. Our development work is largely geared to the current and future requirements of our customers and partners. This customer orientation in our R&D department enables us to offer the right solutions for your production processes.

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IonoFil series is mainly used for dielectric especially for wire eroding

IonoFil

IonoGrind is a multifunctional fluid that combines grinding oil and dielectric in just one lubricant!

IonoGrind

IME have been tested in extensive experiments , have proven themselves in practice for decades and are recommended by leading manufacturers of spark erosion plants. oelheld dielectrics IME posses greatest disruptive strength, they are clear fluids and are almost odorless. During erosive process they do not change their color. They have the same purity as pharmaceutical white oil and are free of aromatic compounds.

IonoVit is a water-based product with additives guarantees the production of reproducible and high-quality holes for electrode diameters of 0.1 - 3.0 mm and larger.

IonoVit

IME 56 is a dielectric for EDM die-sinking machines. IME 56 have been tested in extensive trials and have proven to be effective in practice for decades. The series is explicitly recommended by leading manufacturers of electrical discharge machines. IME dielectrics have the highest dielectric strength, are clear and almost odorless. Their color does not change during erosion. They reach the purity level of pharmaceutical white oils and are practically free of aromatic compounds. Whether in rough cut applications or for use in fine operations, the dielectric must meet the specific requirements of each application. The high-performance dielectrics for use in electrical discharge machining are manufactured on a synthetic basis and are therefore particularly resistant to aging.

IME 56

IonoFil 80 is used to overcome wire eroding issues in  dielectrics. Cobalt leaching is a problem that is difficult to get under control, especially when machining carbide. This iswhy oelheld, together with leading companies in the erosion industry and the University of Leuven (Belgium), has decided on a research project to develop a hydrocarbon-based dielectric that is directly adapted to wire cutting technology. Particularly the service life of carbide punches can be enormously extended by eliminating cobalt leaching. This development makes costly and time-consuming deionization of the water with resins, corrosion protection (before, during and after processing) as well as frequent changes of the medium a thing of the past. As a dielectric, IonoFil enables smaller spark gaps, which allow for smaller inner radii with the same wire diameter. The quality of the surfaces also increases to the same extent, which can be achieved with a coarseness of up to RA 0,01 much faster and more easily than with water.

IonoFil 80

IonoVit 0 is a water-based product with proper additives and guarantees the production of reproducible and high-quality drillings for electrode diameters starting from 0,1 mm. IonoVit 0 is a ready-to-use product, so that mixing is not necessary. The Brix value is in a range of 5% – 7%. A dielectric aggregate (water treatment) is required which, in combination with a mixed resin cartridge, ensures good quality and keeps the water conductance at less than 10 uS/cm. If the water conductance increases, the mixed resin cartridge must be replaced. The medium should also be cooled, because otherwise no constant performance can be achieved. For this product it is recommended to integrate a cooling spiral into the existing cooling circuit (recommended for reproducible quality).

IonoVit 0

IonoVit S is a high-performance dielectric designed for economic and fast working from an electrode diameter of 0,5 mm. It is also suitable for the processing of aluminum. Work pieces made of ferrous metals are temporarily protected from corrosion. IonoVit S is a ready-to-use product. The concentration is regulated using a hand refractometer. It is used for fast start hole drilling.

IonoVit S

IME 63 is a dielectric for EDM die-sinking machines. IME 63 have been tested in extensive trials and have proven to be effective in practice for decades. The series is explicitly recommended by leading manufacturers of electrical discharge machines. IME dielectrics have the highest dielectric strength, are clear and almost odorless. Their color does not change during erosion. They reach the purity level of pharmaceutical white oils and are practically free of aromatic compounds. Whether in rough cut applications or for use in fine operations, the dielectric must meet the specific requirements of each application. The high-performance dielectrics for use in electrical discharge machining are manufactured on a synthetic basis and are therefore particularly resistant to aging.

IME 63

IonoFil 100 is used to overcome wire eroding issues in  dielectrics. Cobalt leaching is a problem that is difficult to get under control, especially when machining carbide. This iswhy oelheld, together with leading companies in the erosion industry and the University of Leuven (Belgium), has decided on a research project to develop a hydrocarbon-based dielectric that is directly adapted to wire cutting technology. Particularly the service life of carbide punches can be enormously extended by eliminating cobalt leaching. This development makes costly and time-consuming deionization of the water with resins, corrosion protection (before, during and after processing) as well as frequent changes of the medium a thing of the past. As a dielectric, IonoFil enables smaller spark gaps, which allow for smaller inner radii with the same wire diameter. The quality of the surfaces also increases to the same extent, which can be achieved with a coarseness of up to RA 0,01 much faster and more easily than with water.

IonoFil 100

IonoGrind 105 is a innovative technology that makes one out of two: grinding and rotary eroding in one machine. This saves time and money. That‘s why oelheld developed a fluid especially adapted to this process. IonoGrind is a multifunctional fluid that is equally suitable for spark erosion and as a grinding oil. It was designed for use in combination machines (two in one) and combines the advantages of a high-performance dielectric for the extremely high removal rate and surface quality with a low-foaming and low-evaporation grinding oil. IonoGrind is the right medium for eroding and grinding PCD (polycrystalline diamonds), HSS and tungsten carbide, as its special composition prevents the release of cobalt. By using special high-pressure additives, IonoGrind also achieves maximum grinding performance.

IonoGrind 105

IonoFil 2776 is used to overcome wire eroding issues in  dielectrics. Cobalt leaching is a problem that is difficult to get under control, especially when machining carbide. This iswhy oelheld, together with leading companies in the erosion industry and the University of Leuven (Belgium), has decided on a research project to develop a hydrocarbon-based dielectric that is directly adapted to wire cutting technology. Particularly the service life of carbide punches can be enormously extended by eliminating cobalt leaching. This development makes costly and time-consuming deionization of the water with resins, corrosion protection (before, during and after processing) as well as frequent changes of the medium a thing of the past. As a dielectric, IonoFil enables smaller spark gaps, which allow for smaller inner radii with the same wire diameter. The quality of the surfaces also increases to the same extent, which can be achieved with a coarseness of up to RA 0,01 much faster and more easily than with water.

IonoFil 2776

IME 82 is a dielectric for EDM die-sinking machines. IME 82 have been tested in extensive trials and have proven to be effective in practice for decades. The series is explicitly recommended by leading manufacturers of electrical discharge machines. IME dielectrics have the highest dielectric strength, are clear and almost odorless. Their color does not change during erosion. They reach the purity level of pharmaceutical white oils and are practically free of aromatic compounds. Whether in rough cut applications or for use in fine operations, the dielectric must meet the specific requirements of each application. The high-performance dielectrics for use in electrical discharge machining are manufactured on a synthetic basis and are therefore particularly resistant to aging.

IME 82

Oelheld

Oelheld GmbH is a medium-sized business which can look back on 130 years of tradition and experience. Since its foundation in 1887 by Carl Christian Held, Oelheld GmbH has established itself as a lubr

Oelheld - Lubricant - R&D - Development - Knowde

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Oelheld Brochure

Oelheld Spak Erosion Document

Oelheld HiPure HLPD Product Brochure

Oelheld ISO 9001 Certificate

Oelheld Company Profile

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