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plaromaster® MR: The leading variable-speed gearbox – not only regarding explosion protection
The plaromaster® MR are the world’s leading variable-speed gearboxes in the explosion-proof area according to ATEX 95. They use the principle of rolling balls and are infinitely adjustable from and to zero speed, even with the highest starting or breakaway torques. They can be operated remotely by means of a hand wheel, or electrically. Due to the characteristics of the system, they cannot slip through – complex and costly ATEX external monitoring is not necessary.The decisive advantages
- Highest output torque from zero speed
- Variable-speed gearbox cannot slip through
- The ATEX variable-speed drive most interesting in price for explosion-proof zones 1 and 21, as combination with motor “explosion-proof” is sufficient – motor with flameproof enclosure not necessary
- Expensive and complex external ATEX control for zones 1 and 21 not necessary
- Design conform to GMP, FDA and USDA-H1 standards
- Can also be supplied as silicone-free drive unit
- Applicable for low temperatures (special execution)
- Manual or electric remote control
- Microprocessor-operated speed control plarotronic®
- Compatible for field bus systems
- Torque meter plaroTorque®
The outstanding technology
- Torque-proportional power transmission results in high service life and reliability. No friction at all inside gearbox, torque transmission thanks to the “elastohydrodynamic effect”.
- Variable-speed gearbox with speed adjustment to speed zero, i.e. adjustable from output speed n2 = zero as well as down to output speed n2 = zero speed, adjustable at rest, linear setting characteristic, low-noise and low-vibration running of the variable-speed gearboxes
- 7 sizes: MRV, MR1, MR3, MR5, MR7, MR9, MR11
- Power range: 0.027 up to 11 kW
- High service life
- Conform to ATEX for zones 1 and 21 according to Directive 94/9/EC (ATEX 95)
- Expensive and complex external ATEX control for zones 1 and 21 not necessary
- Zero speed variable-speed gearbox, i.e. n2= 0 with n1 = motor speed
- Highest starting and break-away torques can be realized
- Design conform to GMP, FDA and USDA-H1
- Silicone-free execution available
- Applicable for low-temperature ranges
- Precise speed-setting – exactly reproducible
- Linear setting characteristic
- No slippage of variable-speed gearbox transmission parts
- Mechanical and electrical control elements
- Low-noise and low-vibration running
- Speed setting on variable-speed gearbox is possible at rest
- In- and output shaft are coaxial and have the same direction of rotation
- Anti-clockwise as well as clockwise running of variable-speed gearbox is possible
- Internal and external speed limitation can be realized
- Configured for all mounting positions
- With reduction gearboxes up to 50,000 Nm output torque
- Electronic speed control plarotronic®
- Electronic torque meter plaroTorque®
