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The STM VMF1 variator is a mechanical speed variator designed to provide continuous adjustment of the output speed from approximately 190 to 1 000 rpm (with 4-pole motor), maintaining efficiency, reliability and durability over time. This type of variator is ideal for applications requiring variable-speed transmissions with direct manual control.
Variator size and compatible motor: 90
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output speed of a shaft relative to the motor, without the use of electronic inverters. The system is of the traditional oil-bath type, with an adjustment knob, and uses internal mechanisms that allow a wide range of speed variation.
Model: STM VMF1
Speed adjustment range: approximately 190–1000 rpm with a 4-pole motor (variation depends on motor speed and load conditions).
Operating principle: continuous mechanical adjustment via handwheel/manual control, allowing direct control of the output speed.
Construction: robust structure designed for industrial use; usually oil-bath for lubrication and extended service life.
Mounting: compatible with standard motors and pulleys; requires correct installation and periodic oil maintenance.
Typical applications: industrial mechanical transmissions, machine tools, conveyor belts, ventilation, pumps or systems that require manual adjustment of the output speed.
Benefits:
Speed variation without complex electronics.
Quiet and reliable operation.
Continuous adjustment with high sensitivity.
No need for an inverter or electronic programming.
Specific References
The STM single slow-speed shaft for RMI28 gearbox with a diameter of 14 mm is designed to be inserted into the gearbox output bore, allowing the connection of pulleys, gears or other mechanical components. This model has a single output, ideal for standard applications where motion transmission from both sides is not required.
The STM VMF1 variator is a mechanical speed variator designed to provide continuous adjustment of the output speed from approximately 190 to 1 000 rpm (with 4-pole motor), maintaining efficiency, reliability and durability over time. This type of variator is ideal for applications requiring variable-speed transmissions with direct manual control.
Variator size and compatible motor: 80
The STM VMF1 variator is a mechanical speed variator designed to provide continuous adjustment of the output speed from approximately 190 to 1 000 rpm (with 4-pole motor), maintaining efficiency, reliability and durability over time. This type of variator is ideal for applications requiring variable-speed transmissions with direct manual control.
Variator size and compatible motor: 63
The STM double slow-speed shaft for RMI28 gearbox with a diameter of 14 mm is designed to be inserted into the gearbox output bore, allowing the connection of pulleys, gears or other mechanical components. The double version provides output on both sides of the gearbox, widening the possibilities for connection and motion distribution.
The STM RMI28 PAM56 B14 gearbox with 14 mm output bore is a compact and reliable mechanical gearbox, ideal for light industrial and precision applications requiring constant torque transmission and smooth operation. The available reduction ratios can be selected in the product variants.
The STM RMI28 PAM56 B14 gearbox with 14 mm output bore is a compact and reliable mechanical gearbox, ideal for light industrial and precision applications requiring constant torque transmission and smooth operation. The available reduction ratios can be selected in the product variants.
The STM VMF1 variator is a mechanical speed variator designed to provide continuous adjustment of the output speed from approximately 190 to 1 000 rpm (with 4-pole motor), maintaining efficiency, reliability and durability over time. This type of variator is ideal for applications requiring variable-speed transmissions with direct manual control.
Variator size and compatible motor: 71
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