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Our toolshop: specialised tools and moulds made by experts

The toolshop from Rompa Group is used for adjusting and repairing specific moulds. In general we purchase our molds from our specialist but adjusting and repairing the moulds is best done in-house. Not only because it is more efficient as we do not have to ship a certain piece back to the supplier, but also because of our experts who have many years experience in tool making and are specialists in optimising our moulds.
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Benefits of an in-house tool shop

Having our own in-house tool shop is very beneficial as Rompa Group aims for the highest quality of the products we manufacture. Thanks to our tool room we can keep full control and make sure we are certain about our moulds and tools. Rompa Group has a very fine selection of tool makers around the globe whom we cooperate with, but with our in-house tool shop we keep the lines short when we develop injection moulds and when the moulds need repairs or changes. Not only does this make the production process faster due to less shipping time, it also makes the quality of the tools very high. Having our in-house tool shop definitely makes our manufacturing processes for injection moulding and metal injection moulding (MIM) run smoothly. Are you interested in learning more about injection moulding and MIM? Make sure to read our articles about injection moulding and MIM!

What will you find in our tool shop?

Our production sites in The Czech Republic, China and The Netherlands are all equipped with a tool shop. Our tool shop at Rompa NL specialises in developing complex tools. Think about moulds for injection moulding, metal injection moulding but also stamps for punching or precision machinery. Our internal tool shop is located in Boxtel, The Netherlands and consists of 750 m2 of machinery such as CNC milling, EDM, spark erosion machines and grinders. Below we give you additional information about some of the machines we have and how they operate.

CNC machining

Some of the important machines Rompa Group utilizes in the tool room are the CNC milling/drilling machines 3-axle and 5-axle, e.g. Hermle with robot/pallet system and CNC HSM (High Speed machine), Yasda for high-accuracy milling work. These machines give us possibilities for not only shaping, but also for making slots, holes, pockets or notches. In general it always starts with making a proper design, after that we apply the instruction into a CAS system in either 2D or 3D format, depending on the project. From there on the machine follows the instructions dictated by the design and it creates the piece out of the specific material that has been chosen. At Rompa Group we have both the 3-axis mill and 5-axis mill. So what's the difference? Using our 3-axis vertical mill the table moves in 2 directions, X and Y, to position the workpiece. The third one is the Z-axis. We lower or raise the cutting tool making our 3-axis vertical mill complete. Before switching to the 5-axis mill, there is also a 4-axis mill. The 4-axis mill has the same features as the 3-axis mill but has one option added. The 4-axis mill has the A-axis and this means that the table can rotate around the X-axis. Like the previous mills, the 5-axis mill has the same features and again one is added. The 5-axis mill consists of: X, Y and Z axis but also A and B axis. Where A rotates around the X-axis, B rotates around the Y-axis. This mill gives us the possibility to produce or adjust the most complex parts.


EDM stands for Electrical Discharge Machining, but is also known as spark machining, wire burning or wire erosion. It’s a method for removing material from a workpiece by using thermal energy. The EDM process is rather complex and not very traditional when we think of cutting out a workpiece. The EDM method is more of a pushing process to say in easy words. A great benefit of using EDM is the possibility to use many different materials as long as they are conductive. Besides the many materials we can use, it's also very delicate, almost no force is necessary. In addition to these very innovative machines, our tool shop consists of grinders, conventional machines, measurement tools and hand tools for optimal results when working on our moulds. Our machines do not stop when the average workday is over, our machinery in the tool shop continues 24/7. Our tool shop in Boxtel is run by a team of specialists. We have our toolmakers, project engineers and project leaders. Our team works closely together for guaranteed accuracy of tool making. We make sure that our clients can count on outstanding reliability and high-quality moulding. These specialists make sure they have full control and maintain a high-end service.

From A to Z

Did you know that Rompa Group offers our clients an A to Z service? Besides the specialised injection moulding making, we can also help you with the initial design and other processes, bringing an idea to life from start to finish. The presence of an in-house tool shop is one of the many ways we can offer our clients the full package. Are you looking for a specialised tool and injection mould maker? Make sure to contact us! We can advise you, guide you and help you with your idea or project.