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EinstreuenIn accordance with the relevant trade association regulations for “Floors in workrooms and work areas with a risk of slipping”, floors must be sufficiently slip-resistant for the respective applications. At the same time, it must be ensured that a sufficient displacement space is achieved so that no risk of “aquaplaning” is created by the accumulation of liquids

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Blast Cleaning

Casting cleaning – The risers (feeder) are removed from the castings by means of cutting grinding or cutting torches. The contour is then smoothed by grinding sharp edges, splinters, burrs and connection points. In order to remove the grinding marks and give the surface a uniform surface appearance, a final jet path takes place.

Depending on the casting material, a ferritic or austenitic round grain is blasted. The particle size is determined by the surface hardness and geometry of the castings as well as the possible system parameters.

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Blast Cleaning

ReinigungsstrahlenIn cleaning blasting, the focus is on removing unwanted residues or dirt from workpieces. A change in the surface properties of the parts to be blasted is not desired, or only to a limited extent. A suitable blasting medium and a gentle blasting process ensure that there is no abrasion on the workpiece and that it is only completely cleaned at the end of the process. 

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Coated And Bonded Abrasives

SchleifmittelDuring grinding, excess material is separated from the workpiece. The sharp-edged mineral crystals in the grinding tool act as cutting edges.

Corundum has proved to be particularly effective in this application because of its extreme hardness and sharp edges.

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EntgratenDuring the production and machining of components by turning, milling or punching, edges/ratio are created which impair the functionality of the workpieces.

Deburring by blasting is a reliable and economical solution for the removal of these undesirable irregularities.

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EntrostenRust can completely destroy metals prone to oxidation. It is therefore important to remove rust from oxidized areas quickly and thoroughly. A variety of solutions are available to the user. However, the blasting process offers numerous advantages over other processes.

In addition to its environmental friendliness, this application is therefore very precise and thus gentle on parts that are not affected.

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Jeans Blasting

Jeans strahlenIn order to achieve the popular vintage or used look of jeans, they are treated with blasting abrasives. For a long time quartz sand was used for this process, but it led to dangerous silicosis, also known as “dust lung”. Fortunately, this is now banned and Kuhmichel has alternative abrasives that are not harmful to the user.

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Masonary Cleaning

FassadenreinigungFaçades are constantly exposed to environmental influences and pollutants that sooner or later lead to weathering. The result is soiled and discoloured surfaces that do not look very attractive.

A cost-effective, environmentally friendly solution without chemicals is the facade cleaning with the help of blasting abrasives. In this way, all types of impurities are removed while the loss of substance on the façade itself is kept to a minimum. 

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Matt / Satin Finishing

Mattieren SatinierenAs the terms matting and satin finishing already suggest, they refer to a surface treatment aimed at producing matt surfaces. These are a popular alternative to high-gloss surfaces, as they not only offer many practical advantages but also impress with their particularly high-quality appearance.

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Micro Blasting

FeinstrahlenJust like soft blasting, fine blasting is a very gentle, filigree blasting application aimed at thoroughly cleaning a workpiece. While the substance of the workpiece is not attacked by soft blasting, fine blasting is intended for a light preparation in the form of a fine structure in order to refine the surface.

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Paint Stripping

EntlackenDuring the paint stripping process, workpieces are freed from old or defective paint layers by means of a blasting process, so that they can then be redesigned and further treated in a variety of ways.

A popular area of this application is the restoration of vintage cars, where, of course, enthusiasts attach particular importance to authenticity.

Our high quality reusable abrasives allow an effective and thorough paint stripping of various parts. At the end of the process, the parts of the plant shine in new splendour.

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Polishing requires premium abrasives in fine sieves. The sieves do not allow any tolerances and must correspond exactly to the specifications, otherwise problems with scratches can occur in the fine polishing processes.

When it comes to polishing, Kuhmichel is a renowned partner and supplier throughout Europe. Our customers from the fields of polishing paste production and the manufacture of vibratory grinding wheels for barrel finishing have long relied on our consistently high quality and the associated documentation of our processes.

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Shaping – By irradiating the component, residual compressive stresses are induced in the component. In the case of thin-walled components, this results in forming with simultaneous solidification. In this way, highly stressed components can be shaped into the desired shape and fatigue strength can be improved.

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Sand Removal

Parts cast in sand moulds must undergo a post-treatment step to free them from the adhering sand. This is done to a large extent in blast wheel blast cleaning systems in which round metal grit made of cast steel or stainless steel is used. The decisive factor in the choice of abrasive is whether the casting itself consists of ferritic or ferrite-free materials.

The optimum ratio of volume to the surface of the round grain achieves the desired impact force. Since a complete cleaning of the workpieces is just as important as a homogeneous covering of the surface, the choice of grain size plays a major role.

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Shot Peening

VerfestigungsstrahlenIn the case of hardening blasting (peening), residual compressive stresses are induced by means of round grain (shot). The first tenths of a millimetre of the component edge layer solidify.

Dynamically stressed components (such as springs, gear wheels, axle parts and turbines) thus have a significantly longer service life and can be dimensioned smaller.

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Soft Blasting

SoftstrahlenThe term soft blasting refers to a gentle beam application that removes impurities from the workpiece but does not attack its substance. Many people are familiar with this blasting process from façade cleaning or the restoration of vintage cars.

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Structural Blasting

StruktustrahlenIn structural blasting, defining and roughening the workpieces creates a homogeneous surface that meets the highest technical and optical requirements.

Given the many possibilities of this application, it is crucial to determine both the right blasting medium and the right blasting process in order to achieve the desired parameters such as roughness, slip resistance, degree of gloss and brightness of the surface.

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Surface Finishing

OberflächenfinishThe surface finish is usually the final step in a long chain of machining processes. The main focus is on the optics – after all, a high-quality end product should not only be technically but also visually high-quality.

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Surface Preparation

Vorbereiten zum BeschichtenThe aim of a coating is to have a positive effect on the properties of workpieces, both chemically and physically. An important criterion for assessing the quality of coatings is their adhesive strength. It describes how well the applied layer holds on to the workpiece. This parameter can be massively influenced by processing the workpiece with an angular blasting medium.

The blasting process results in roughening of the workpiece. The resulting surface topography guarantees a considerable improvement in adhesion, resulting in a significant increase in the quality of the workpieces. 

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Surface Preparation

AutomotiveRough blasting prepares for subsequent coating. By processing with an angular abrasive, the adhesive strength between workpiece and coating increases considerably.

The reason for this is the surface topography created by this process, which enlarges the surface of the workpiece and thus provides the coating with more surface area for adhesion.

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Sweep Blasting


Sweepen is a special form of roughening in which galvanized surfaces are carefully roughened to improve the adhesive strength of subsequent coatings.

Sweeping differs from conventional roughening by a very sharp angle at which the abrasive hits the surface. In addition, reduced pressure is used to carefully roughen the zinc coating without breaking it through.

In order to ensure the exclusion of corrosion, mineral, iron-free abrasives such as corundum and garnet sand are used.

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Water Jet Cutting

WasserstrahlschneidenBy adding abrasive material to the waterjet cutting process, it is possible to cut extremely hard material without generating heat. The water/abrasive mixture is accelerated to almost sonic velocity at a pressure of up to 6400 bar. This technology is characterized by a high degree of precision, high cutting speeds and short set-up times.

Kuhmichel offers suitable abrasives for all systems and applications.

Ifa expertise for corundum and garnet sand Microcutting, special granules for focusing tubes < 0.2 mm diameter.

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