When the demand for a product increases, the pressure on production capacity also increases. This is a well-known fact for NXP's chip manufacturing department. The Dutch company started as a chip division of Philips and now converts nearly 9.5 billion US dollars annually. BIBUS was allowed to think along with the company to ensure that production could be prepared for the future.
Development, production and assembly of chips
The "die bonder", also known as a pick and place robot, accounts for more than twenty five thousand product placements per hour, which before the improvement was six thousand placements. The collaboration with BIBUS made this increase of over 400% possible. To achieve this high number of placements, the extremely high speed of the arm is of course very important. In addition, precision is an important factor, because the crystals placed by the arm are not visible to the human eye.
The die bonder has been developed for the assembly of diodes and transistors. Because the demand for electronics equipment has exploded over the years, the demand for chips has also risen at high speed.
When NXP stepped up the demands on the robot arm, it became clear that a robust and backlash-free bearing solution was needed. Another reason for this innovation was because it had to be possible to guarantee the placement accuracy, even at higher production speeds.
Mahr ball guiding unit
BIBUS has supported NXP in manufacturing a sustainable solution. There has been chosen for the custom design of a Mahr ball guiding unit. This guide consists of two cages, two buses, an axle and a spring package. The shafts are made of ball bearing steel and are hardened and ground.
The balls are spirally housed in the ball cage and are held in place by the cage. As a result, they are not limited in their career and can therefore move freely. For the robot arm, this means that it can make a radial line and an axial movement around the axis. This is determined in an absolutely backlash-free ball guide.
The guides were supplied to NXP at the correct pre-tension from BIBUS. Each ball cage is provided with a unique number, making it possible for the requested constant quality to be continued to be delivered.
The solution has the result the machine is able to work even more efficient and effective. With a production standstill of up to 6 hours every two years (one-thirtieth of a percent), considerable savings are made on costs incurred when the machine is stopped.
Ball guides for machine building
The knowledge, experience and expertise that BIBUS has acquired in recent decades helps the machine construction sector to achieve high accuracy. In addition to the well-known applications, such as in stamping technology and punching housings, the highly qualitative ball guiding units are increasingly being used in general machine and equipment construction.
The high-quality ball guides from the BIBUS range have several advantages. Ambient temperatures of up to 300 ° C are possible, the range is particularly wide, the components have a long service life and maintenance intervals, multiple materials are available and customer-specific products can be developed. Use the buttons below to find more information about motion and accuracy solutions, such as ball cages, guide bushes and guide shafts. For specific questions, please feel free to contact our technical specialists.
BIBUS is also your one-stop shop for machine and equipment construction. In addition to technical components for powering, you will find our range of tens of thousands of mechanical components for machine and equipment construction. Simple mechanical components are ordered through our web shop, from insertion pins and locking bolts to knobs, levers and handles and solutions for hydraulic height adjustment such as gas springs, actuators and dampers.
