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ETP Transmission - 40 Years of Refined Woodwork

Over four decades of dedicated refinement, ETP Transmission has pioneered hydraulic solutions tailored specifically for woodworking applications since the 1970s. Committed to enhancing precision, safety, and cost-efficiency, their first product, the sleeve introduced in 1977 remains a cornerstone component in ETP’s woodworking business, indispensable for centering and precision tasks to this day.

– The sleeve was a big success and helped expand our woodworking business, due to its usable and beneficial aspects. It allowed woodworkers to receive perfect centering and precision without much work, says Nicklas Rosberg, CEO at ETP Transmission.

Only five years after ETP’s first product, the ETP-CLASSIC, was launched for the manufacturing industry, the company got contacted by Jan Danielsen, an industry leader in woodworking and owner of a planing mill. Difficulties with centering and tools wearing out too quickly motivated a search for a finer solution, which initiated the contact with ETP and their tool holder based on hydraulic principles. After experiencing the ETP sleeve, Jan Danielsen was highly impressed by the product and saw immediate changes in terms of centering, production speed, and finish quality. This was the grand beginning of ETP Woodworking and the demand for a reliable hydraulic solution for cutting and drilling was palpable. The hydraulic sleeve thereafter allowed industries to optimize production speed and feed rates as well as improve surface finish quality, by connecting their cutting tools to the hydraulic sleeve. Over 40 years later, the sleeve is still known today under the brand name of ETP HYDRO-GRIP® and is produced in Sweden in accordance with ISO standards.

“I see this as a receipt of dedication and responsiveness to the business, as we created solutions based on the needs of the industry. It opened up for new innovations within woodworking and authorized future possibilities”, Niclas Rosberg says.

Above: Jan Danielsen - Industry pioneer
Far right: Anders Samelius - Mr. HYDRO-GRIP

We created solutions based on the needs of the industry. It opened up for new innovations within woodworking!

Niclas Rosberg CEO of ETP Transmission AB

Less action, more precision

The business area of woodworking faced major growth during the 1980s and ETP Transmission had by then made further developments into “single screw solutions”, the same used in the company’s Hub-shaft connections (AI, BI, CI, EI-types). It allowed for a quick and easy assembly and disassembly of tools, making set-up times faster and maximizing productivity. Earlier solutions involved multiple screws with unreliable precision. The revolutionary new solution became increasingly popular. Today, it is used in multiple areas, from sawmills to flooring.

“I think the reason behind the success of the ‘single screw solution’ is the time saved. The woodworking industry handles material with multiple dimensions and needs a quick way of switching between tools. Also, the brain exercise of remembering what screw should be tightened in what order, is now non-existent”, Niclas Rosberg says.

Revolutionary CNC developments

Contributing to higher safety standards, ETP Transmission launched its CNC tool holder in 1988 with first-class safety features. With the construction of a safety guard, specifically designed for worker safety in open CNC woodworking machines. This innovative hydraulic product utilizes a bayonet mount with a shaft tool, complemented by a wing nut, which is applied at the backside of the product for added security. Before, open CNC machines could pose a risk for worker safety if a tool would break and be flung away. Niclas Rosberg takes pride in the groundbreaking safety features of the new CNC tool holder.

“It was important for us to find a solution that was safe. We created a bayonet mount, which requires pressure to release the tool that has been mounted, we call it a safety ring. This prevents the tool from accidentally falling out and diminishes the risks of getting injured, and we were the first company to develop such a solution”, Niclas Rosberg explains.


Breaking new ground within laminate floors

Beyond the safety benefits, the tool holders adapted for CNC machines, like the ETP HYDRO-GRIP®, also made it possible for industries to share their pre-made pressure and grind settings. Therefore, when one industry cuts and grinds floor panels, these can later be sent to the processing client who puts it in their processing machine and receives all the same settings from the grinding machine.

“This means that the relationship between grinding and processing floor panels is synchronized. Precision meets productivity and the results are brilliant due to the hydraulic repeatability within two-thousandths of a millimetre”, Niclas Rosberg says.


In later years, ETP developed adjustable tool holders like the ETP-CUBIT for 2-part tools to increase repeatability and production output within the laminated floor industry. The highly adjustable features of the ETP-CUBIT made the profiling and cutting of floor panels precise.

“Previously, industries had to adjust the tools along the way in order to achieve the most precise profiling, which resulted in a tremendous amount of wasted material. With the ETP-CUBIT, the precision for profiling and cutting was immediate. This solution did not only save valuable time and waste but was also a step towards a more automated workflow. Today, we are celebrating 40 years as a company and our business is still growing and the need for our hydraulic solutions for the woodworking industry remains”, Niclas Rosberg concludes.

The principle

Pascal came up with the idea - we put it to work!

The method employs an elastic mass that expands within a device when subjected to pressure, creating friction between the shaft and the object, holding them together. Unlike using a wedge for example, which relies on direct pressure, this invention uses pressure and elastic mass to achieve friction, preventing the object from spinning freely on the shaft. The advantage of this is that when using a pressure medium with liquid, you always have the same pressure since the force comes from all directions, leading to outstanding precision.

See all our Woodworking sleeves
The principle