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ace11018FMB Hall 20, booth C34

Success Story

Skiers, tobogganists and mountain bikers beware: The fun is enriched by an action-packed facet with the Pistenbock-Cross as an ideal complement for the snow-free months. The innovative vehicle is controlled similar to sledging. High quality vehicle components such as built-in Rotary Dampers by ACE Shock Helps effectively dampen unexpected steering angles and smooth overall steering for the benefit of ride comfort and safety.

ace210181Fun in the snow is increasingly an uncertain pleasure. Not the risk of injury while sledding, snowboarding and skiing is the reason, but the climate change. For those who want to drive snow-assured areas, slope fans have to ascend to higher and higher regions, as snow cannons are not a viable alternative if temperatures are too hot. No wonder that the Pistenbock-Cross has already attracted a lot of interest in the professional world at the Interalpin 2017.

The leisure equipment was invented by Stefan Bock and his Bock Machining GmbH. The company, based in Alzenau in Lower Franconia, is both a special machine manufacturer and a market leader in the field of plastic gaskets, which keeps making a name for itself: as one of the best training companies in its region and with a nomination in the context of the "Großer Preis des Mittelstandes" Year 2017. For his sports car of the future CEO Stefan Bock has the Pistenbock GmbH was spun off and with his enthusiastic team the worldwide spread of the new sledge set the goal.

Without rotational brakes no driving pleasure

ace31018The product portfolio now includes three winter models for the commercial sector and two for the end customer, which are offered exclusively via the company's own webshop. The flagship among them is the Pistenbock-Cross, a counterpart to the winter models, specially made for the snow-free time with wheels and disc brakes.

Braking and steaming play an important role compared to sledding on snow. Because snow-covered slopes have a natural compensation element through the white carpet, which protects the pilots from roots and other bumps. In the design phase of the Pistenbock-Cross, therefore, there was a high focus on solutions that should compensate for these bumps, to ensure high driving pleasure and safety. Straight roots or other obstacles that run unilaterally or diagonally to the direction of travel played a major role in the considerations.

Finally, it was necessary to avoid sudden steering movements. Anyone who has ever crossed the curbs or tram tracks by bike at too acute an angle can report from unpleasant consequences to falls. For this reason, the technical product design team relied on a combination of a robust, simple and maintenance-free design, a wide wheelbase for the lowest possible tipping, hydraulic disc brakes and steering damping.

Constructor Christian Wilms explains: "Since forces in the outdoors can not be accurately predicted, a longer test phase was needed, in which the selected rotation brakes in all possible and impossible steering maneuvers had to prove their functionality for the piste cross."

Damping for safety and ride comfort

ace41018The team did not have to think long and hard about who to hire to deliver optimal cushioning for safety and ride comfort. For several years, her company has been successfully cooperating with ACE Stoßdämpfer GmbH. The company from Langenfeld is not only a specialist in damping solutions of all kinds, but also distinguishes itself through innovative solutions from design to assembly, trusting cooperation and service, which goes beyond planning through to product delivery.

A good example of this is the detailed test phase for the piste goat. It was clear that ACE brake brakes would be a very good option for the steering damper steering damper. Also, it was obvious that from the available at ACE right, left or both sides rotating variants only the types would come into question, working on both sides. After all, the blows on the slopes can come from all directions.

Exciting, however, was the dimensioning of the components. Depending on the runway different speeds and large differences in the weight of the sledders a task that was not to calculate, but the long test runs needed. The inventor is very satisfied with the results: "At the end of the test phase, we decided to use the series produced by ACE Rotary brakes type FDTUse -70 to dampen the steering operation in the piste cross. This is steered with the feet over the steering rack on which both the leaf spring with axles and wheels and the rotation brakes are mounted. This construction prevents the sudden tearing of the steering on impact with a larger obstacle and thus provides the driver with more safety on rough roads. Because when steering the steering stool, including attachments rotates about plain bearings to a steering screw. Concentric to this two rotary brakes are mounted in opposite directions by means of spacers below the steering rack. In the process, a square wheel engages the rotation brake, thus enabling optimization of the steering behavior. "

Small retarders finish finished products

ace51018In most cases, ACE rotary brakes invisibly render valuable service as maintenance-free machine elements for the controlled braking of rotating or linear movements. They often make careful opening and closing of small hoods, drawers and drawers possible, thereby sparing components. In addition, they increase the quality and value of products in which they are easy to integrate. For almost every purpose and z. T. also available in adjustable versions, they provide braking torques from 0,05 Ncm to 40 Nm.


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