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maxon motor has helped a UK company called Torvine, which was trying to produce the ultimate milling machines to solve both these issues. The result is the Dermamill 100, which is suitable for use by compounding pharmacists.

Ointment milling machines not only need to ensure that the end product is extremely smooth but they also need to be able to be easily cleaned, to avoid contamination.

Using the Dermamill 100, product fineness can be reduced to 20µm (20 microns), and lower sizes are possible with more passes through the mill. Particles are not crushed (which could result in clogging and the opposite result). They are sheared by the differential speeds of the rollers.

The ointment passes through both gaps and receives shearing forces, resulting in particle size reduction, particle dispersal, and homegenisation. The finer the ointment, the more take-up of the active ingredients occur on the skin, which maximises the benefit to the patient.

Torvine contacted maxon motor uk when it needed a reliable, quiet motor to drive the ceramic rollers. Their machine is now manufactured using the maxon EC45 50W flat brushless DC motor, customised for their application with a longer flexprint cable, and the modular DEC24/2 DC motor controller. The DEC 24/2 module is specifically designed for OEM applications. 

Key benefits of product application

  • Removable rollers mean the mill can be made lab-clean in minutes.
  • Speed control and a roller guide locking mechanism means ointment milling can be controlled with maximum efficiency.
  • The operator can control the two gap sizes manually.
  • Dermamill offers 20 speed increments, ensuring the operator has precise control.

maxon motor is the world’s leading supplier of high-precision drive systems.

maxon has earned a reputation for constant innovation and unflinching reliability – seeing the company’s products used by the world’s top engineers in fields as demanding as space exploration, formula 1 racing and sub-sea applications.

The maxon product range is developed on a modular basis, giving literally hundreds of thousands of perfectly compatible motor, gear and controller combinations to suit a huge array of applications. With full customisation possible for almost every product, maxon’s experienced sales engineers are on-hand to assist design engineers select precisely the right solution for their needs.

DC motors with ironless winding and flat motors (up to 500W output power, mechanical and electronic commutation).
Planetary, spur and special gears.
Sensors (encoders, DC tachos, resolvers).
Servo amplifiers, position controllers.
High-tech CIM and MIM components.
Customer specific drive solutions.

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