Topics in our Grindaix magazine

In our Grindaix magazine, we regularly publish interesting technical articles on the topics of grinding and lubricoolant supply with reference to current situations. In doing so, we not only address the aspects of lubricoolant supply during grinding, but also place them in the overall context of this complex machining task. We always know what we are talking about, because our magazine articles are based on our own many years of experience and knowledge.

Whether you are just interested in grinding or are looking for specific information, there is an interesting article for every reader in our Grindaix magazine.

 

Topic - Grinding

Error during grinding

Although grinding is a widely used manufacturing process, it is nevertheless complex and carries the risk of making mistakes in many places. In all cases, these have an impact on efficiency and component quality. Read on to find out what needs to be taken into account in detail and what the most common errors in grinding actually are.

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Grinding of components

Why are components ground and what options are available? In which cases is grinding necessary? We address these questions in our article “Grinding components”

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Grinding burn

Thermal edge zone damage due to structural changes - commonly known as grinding burn. We explain the material-technical background and provide initial approaches for preventing grinding burn.

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Grinding burn test

Detection of grinding burn is an important pillar of quality assurance, as grinding burn is not always immediately visible on the component. We explain which methods are available for this and explain their applicability.

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Solving grinding burn problems

Solving a grinding burn problem? That's easier said than done! We have developed some solution strategies and summarized them for you in our magazine article on “Solving grinding burn problems”.

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Cool the grinding process properly

Cool the grinding process properly! This is easier said than done. We have compiled a list of the various parameters that need to be taken into account and which supply solutions are suitable or unsuitable here.

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Energy savings during grinding

In times of energy crisis, companies must act. Are there ways to save energy when grinding? We present a few possibilities.

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Tool grinding

Tool grinding is a particularly critical grinding application due to the special hardness of the workpiece. We have compiled a list of things to consider when grinding tools.

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Grinding wheels

The grinding wheel is the tool within the grinding machine. Read here to find out how a grinding wheel is constructed, how it works and what to look out for when selecting grinding wheels and their properties.

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CNC grinding machines

Grinding machines are state-of-the-art machining centers that are indispensable for producing a perfect surface finish today. Thanks to the use of computer-aided CNC controls, these high-performance machines also work fully automatically.

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External cylindrical grinding

Hardly any other grinding process is as common as external cylindrical grinding. But what does this term actually mean? We have summarized the kinematics, applications and special features of this grinding process.

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Grinding technology

Our article “Grinding technology” provides an overview of the complex topic of grinding technology with its many influencing factors. Here we offer you a complete overview of all relevant parameters.

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Coolant supply for centerless grinding

Among the cylindrical grinding processes, centerless processes occupy a special position in terms of their process structure and area of application.

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Process design and optimization

The change in the automotive industry and the targeted reduction of CO2 emissions, e.g. in aviation, pose new challenges for grinding technology. The machining of thin-walled lightweight components and the machining of high-temperature materials are becoming increasingly important.

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GRX-X multifunctional nozzle

The multifunctional nozzle developed by the Grindaix team consists of three main nozzles. The cooling nozzle for cooling the grinding wheel, the cleaning nozzle for cleaning the grinding wheel coating from clogging and abrasion and the so-called Liquid-Air Spoiler GRX-LAS.

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Topic - Cooling lubricant

Cooling during grinding

A great deal of heat is generated during grinding due to process-related friction. This heat must be reliably dissipated, which is why grinding processes require reliable cooling. You can read about what is important here.

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Coolant lubricant tubes

Coolant lubricant tubes are commonly used to conduct cooling lubricant in the machine tool. However, not all types of these tubes are suitable for every application. We provide an overview of the possibilities of coolant supply with Coolant lubricant tubes.

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Cooling lubricant pressure control systems

Pressure control systems are particularly relevant for large and complex cooling lubricant supply systems. We have compiled the advantages over conventional pressure control systems and outline the technical implementation of an adequate pressure control system.

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Cooling lubricant nozzles

Cooling lubricant nozzles generate the necessary outlet speed of the coolant. However, nozzles are not only required for cooling applications. You can find an overview of all applications and designs here.

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Cooling lubricant supply

It is easy to understand that grinding processes need to be supplied with cooling lubricant. But what exactly does the cooling lubricant do and what are the challenges involved in supplying cooling lubricant?

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Minimum quantity lubrication

Everything you need to know about minimum quantity lubrication at a glance. We have also prepared an exemplary comparison between MQL and conventional cooling lubricant strategies for you.

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Free jet of a cooling lubricant nozzle

The exit velocity of the cooling lubricant within the grinding technology is high. Cooling lubricant nozzles are always turbulent free jets; it is a typical flow process of a nozzle.

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Filtration in the cooling lubricant circuit

The cooling lubricant filtration unit is an important and central component of the cooling lubricant circuit. In this magazine article, you can find out what it is and which components are important.

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Options for influencing the air cushion

Various standard practical solutions are used to overcome the air cushion. The aim in all cases is to mitigate or completely avoid the negative influence of the air cushion on the cooling lubricant jet.

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Fluidic consideration of the air cushion

Based on the phenomenon of boundary layer adhesion described above, additional studies on the shape and characteristics of the grinding wheel air cushion are available in the literature.

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Types of cooling lubricants

In addition to emulsions of different concentrations, in which various additives are used, the use of grinding oils is also common. We have compiled the areas of application, advantages and disadvantages, as well as the most important selection criteria for cooling lubricants for you.

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Resource-saving cooling lubricant supply

Government regulations mean that companies are placing more emphasis on their ecological footprint. So is it possible to save resources and optimize production at the same time? Find out more about how this is possible here.

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Printed cooling lubricant nozzles

Team Grindaix also successfully uses 3D printing to manufacture flow-optimized cooling lubricant nozzles. We have summarized for you which aspects we were able to significantly improve and where the design and production challenges lay.

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Cleaning of cooling lubricant

Why does cooling lubricant need to be cleaned and what options are there for this? What needs to be considered and where is there potential for increasing efficiency? You can read this and other interesting facts about cooling lubricant cleaning here.

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Errors in the cooling lubricant system

Modern high-volume production facilities for metal components often have large and equally complex cooling lubricant systems. Keeping an eye on all parameters and ensuring reliable operation is therefore no trivial matter. Coolant monitoring systems can be used to support the monitoring of the cooling lubricant system.

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Coolant filtration systems

Treatment is a crucial part of the cooling lubricant supply with a major impact on production results and efficiency. We have described and compared the usual filtration processes for cooling lubricants.

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Cooling lubricant and its relevance in grinding processes

Cooling lubricant is particularly relevant in the grinding process. But why grinding in particular? And what happens if the cooling lubricant is not used correctly? We answer these questions in this article.

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Disruptive influences on the coolant supply during grinding

The aim of a cooling lubricant supply that meets the requirements is to machine components without causing thermal damage in order to achieve the highest form and dimensional tolerances in the shortest possible machining time.

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Topic - GRX-Q

GRX-Q - Flow measurement

The flow measurement is part of the metrological determination of a volume flow Q or mass flow m=ρ∙Q. This is done as a function of a measuring cross-section A of a closed pipe or an open channel.

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GRX-Q - Volumetric measuring method

The volumetric measuring method is based on the measurement of partial quantities of a medium to be measured. The medium flowing through a defined measuring chamber or via an analog rotation of measuring vanes is added up.

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GRX-Q - Displacement meter

With the displacement meters, the moving measuring walls are driven by the medium to be measured. The movement is recorded and counted.

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GRX-Q - Differential pressure method

Flow measurement using the differential pressure method is frequently used in chemical engineering and similar industries.

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GRX-Q - Flowed bodies

In this type of flow measurement, flow is applied to floating bodies, spring disks or flaps. After the differential pressure method, variable area flow measurement is one of the most frequently used methods.

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GRX-Q - Magnetic-inductive flow measurement

In magnetic-inductive flow measurement (MID), an electrical voltage is generated by the interaction between the flow velocity of a liquid and a magnetic field. This principle is based on Faraday's law of induction.

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GRX-Q - Ultrasonic flow measurement

Ultrasonic flow measurement, also known as the transmission principle, works on the basis of the propagation speed of sound waves, which changes in moving liquids with the flow speed of the transmission medium.

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Topic - artificial intelligence (AI)

AI - What is it?

Basically, the term artificial intelligence is a technical misnomer in this context. Artificial intelligence describes the academic endeavors of humans to research the human brain and its performance and to reproduce it with the help of computer-aided methods.

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AI - Autonomous production

Production technology is increasingly characterized by the use of computer-aided knowledge management systems. A distinction is made between expert systems that pursue a deductive learning approach and inductive optimization methods.

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AI - How do you proceed?

The first step in this context is to start implementation as soon as possible and not to wait until a competitor can present a solution. Because this solution, if it is available at all, certainly cannot simply be copied or purchased at the touch of a button.

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AI - opportunities

The opportunities that arise from the successful use of a production environment that is monitored in line with requirements and controlled by artificial intelligence are diverse and often unexpectedly full of potential.

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AI - challenges

As already described in Chapter 3 (AI - How to proceed), the algorithms for the successful application of machine learning in production technology require as much good data as possible. Good data is data whose values are generally as correct as possible.

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AI - Risks

In addition to the many good opportunities and high potential benefits of artificial intelligence in production technology, there are also risks that need to be considered when implementing such capability tools.

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AI - obstacles

The biggest obstacle to the implementation of digitalization technology at present is the often prevailing confusion among decision-makers responsible for production as to how the project should even be approached.

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AI - Implementation

The following example demonstrates how a digitalization project can be successfully implemented.

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Topic - General production

Components (3D) printing

The generative production of components using 3D printing is becoming increasingly widespread in industry. In addition to the initial plastic printing processes, 3D printing in metal is now also possible. We have prepared a clear overview of the advantages and disadvantages for you.

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System designs

There are many different types of system that a company can choose for a coolant filtration system. Here is an overview.

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Zero Emission Production

Zero Emission Production helps to sustainably reduce carbon dioxide emissions while increasing the availability of production equipment and avoiding the waste of operating materials.

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ROI of digitization projects

The digitalization of production units offers a wide range of options for networking existing machines and systems. In this article, we offer you a brief overview of the facts.

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How the Euro 7 standard is changing the automotive industry

The new Euro 7 standard presents the automotive industry with a challenge that it will have to meet in the near future. What is the challenge and what are the possible solutions? Find out more here.

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