fischer motor Germany fischer model fischer price

fischer motor is a type of motor that can be used in flammable and explosive environments, producing no electrical sparks during operation. Explosion-proof motors are mainly used in coal mines, oil and natural gas, petrochemical, and chemical industries. In addition, they are widely used in textiles, metallurgy, urban gas, transportation, grain and oil processing, papermaking, pharmaceuticals, and other sectors. As main power equipment, explosion-proof motors are typically used to drive pumps, fans, compressors, and other transmission machinery.

fischer motor maintenance methods

Motor maintenance and repair center motor maintenance process: Clean stator and rotor → Replace carbon brushes or other components → Vacuum F grade pressure impregnation → Drying → Dynamic balance correction. 1. The operating environment should be kept dry frequently; the motor surface should be kept clean, and the air inlet should not be obstructed by dust, fibers, etc. 2. When the thermal protection of the motor operates continuously, determine whether the fault originates from the motor, overload, or if the protection device setting value is too low. The motor can only be put into operation after eliminating the fault. 3. Ensure good lubrication of the motor during operation. Generally, after about 5000 hours of operation, lubricating grease should be replenished or replaced. If bearing overheating or grease deterioration is found during operation, replace the lubricating grease promptly. When replacing lubricating grease, remove the old lubricant, clean the bearing and the oil groove of the bearing cover with gasoline, and then fill the space between the inner and outer rings of the bearing with ZL-3 lithium-based grease to 1/2 (for 2 poles) and 2/3 (for 4, 6, 8 poles). 4. When the bearing reaches the end of its service life, the vibration and noise of the motor during operation will increase significantly. Check the radial clearance of the bearing; when it reaches the following values, the bearing should be replaced. 5. When disassembling the motor, the rotor can be removed from either the shaft extension end or the non-extension end. If it is not necessary to remove the fan, it is more convenient to remove the rotor from the non-shaft extension end. When pulling the rotor out of the stator, prevent damage to the stator winding or insulation. 6. When replacing the winding, record the original winding configuration, dimensions, number of turns, wire gauge, etc. If this data is lost, request it from the manufacturer. Arbitrarily changing the original design winding often deteriorates one or several performance indicators of the motor, or even renders it unusable.

fischer motor structure

This motor component consists of an internal gear ring and a matching gear or rotor. The internal gear ring is fixed to the housing. Oil entering through the oil port pushes the rotor to revolve around a central point. This slowly rotating rotor drives the output via a splined shaft, forming a cycloidal hydraulic motor. After the introduction of this initial cycloidal motor, decades of evolution led to the formation of another concept of motor. This motor installs rollers in the built-in gear ring. Motors with rollers provide higher starting and running torque. Rollers reduce friction, thereby improving efficiency, allowing the output shaft to produce stable output even at very low speeds. Changing the direction of input and output flow allows the motor to reverse quickly and produce equivalent torque in both directions. Each series of motors offers various displacement options to meet different speed and torque requirements.

fischer motor classification

Based on the different power supplies for motors, they can be divided into DC motors and AC motors. Among them, AC motors are further divided into single-phase motors and three-phase motors. Based on different structures and working principles, motors can be divided into DC motors, asynchronous motors, and synchronous motors. Synchronous motors can be further divided into permanent magnet synchronous motors, reluctance synchronous motors, and hysteresis synchronous motors. Asynchronous motors can be divided into induction motors and AC commutator motors. Induction motors are further divided into three-phase asynchronous motors, single-phase asynchronous motors, and shaded-pole asynchronous motors. AC commutator motors are further divided into single-phase series-wound motors, AC/DC universal motors, and repulsion motors. DC motors can be divided into brushless DC motors and brushed DC motors based on structure and working principles. Brushed DC motors can be divided into permanent magnet DC motors and electromagnetic DC motors. Electromagnetic DC motors are further divided into series-wound DC motors, shunt-wound DC motors, separately excited DC motors, and compound-wound DC motors. Permanent magnet DC motors are further divided into rare-earth permanent magnet DC motors, ferrite permanent magnet DC motors, and AlNiCo permanent magnet DC motors. Based on different starting and running methods, they can be divided into capacitor-start single-phase asynchronous motors, capacitor-run single-phase asynchronous motors, capacitor-start-run single-phase asynchronous motors, and split-phase single-phase asynchronous motors. They can be divided into drive motors and control motors. Drive motors are further divided into motors for power tools (including drilling, polishing, grinding, slotting, cutting, reaming, and other tools), motors for home appliances (including washing machines, electric fans, refrigerators, air conditioners, recorders, VCRs, DVD players, vacuum cleaners, cameras, hair dryers, electric shavers, etc.), and motors for other general small mechanical equipment (including various small machine tools, small machinery, medical devices, electronic instruments, etc.). Control motors are further divided into stepper motors and servo motors, etc. Based on different rotor structures, motors can be divided into squirrel-cage induction motors (formerly known as squirrel-cage asynchronous motors in old standards) and wound-rotor induction motors (formerly known as wound asynchronous motors in old standards). Based on different operating speeds, motors can be divided into high-speed motors, low-speed motors, constant-speed motors, and variable-speed motors. Low-speed motors are further divided into gear reduction motors, electromagnetic reduction motors, torque motors, and claw-pole synchronous motors, etc. In addition to being divided into stepped constant-speed motors, stepless constant-speed motors, stepped variable-speed motors, and stepless variable-speed motors, variable-speed motors can also be divided into electromagnetic variable-speed motors, DC variable-speed motors, PWM variable-frequency variable-speed motors, and switched reluctance variable-speed motors. The rotor speed of an asynchronous motor is always slightly lower than the synchronous speed of the rotating magnetic field. The rotor speed of a synchronous motor remains at the synchronous speed regardless of the load size. 1. Horizontal vibration motor: (1) Loosen the fastening screws of the protective cover and remove the protective covers at both ends; (2) For vibration motors with excitation force less than MV50-2, MV50-4, MV50-6, MV30-8 (excluding these four specifications), the outer eccentric block is an adjustable block with a scale indicating the maximum excitation force percentage on the surface, and the inner eccentric block is a fixed block, both pressed onto the motor shaft using fastening bolts. Reference lines are engraved on both end faces of the shaft. Loosen the fastening bolts of the outer eccentric blocks on both sides, rotate the outer eccentric blocks on both sides in the same direction so that the engraved line on the shaft aligns with the excitation force scale line on the outer eccentric block, adjust to the required excitation force, tighten the fastening bolts of the outer eccentric blocks, and install the protective cover; (3) Excitation force greater than or equal to MV50-2;

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