EVT High Precision Flange Output Right Angle Planetary Gearbox

The EVT high precision flange output right angle planetary gearbox is designed to provide accurate, smooth, and stable power transmission in applications that require compact installation and reliable long-term performance. Its right-angle construction allows the gearbox to fit into limited spaces while maintaining excellent mechanical rigidity. With an integrated flange output system and a precisely machined internal structure, the EVT series delivers low backlash, steady torque output, and dependable operation even during rapid acceleration and deceleration cycles.

To support consistent motion quality, the gearbox utilizes helical gearing, which contributes to quieter running and reduced vibration. This approach aligns with widely recognized gear engineering principles explained by organizations such as the American Gear Manufacturers Association (AGMA).

The EVT high precision flange output right angle planetary gearbox includes a high-strength bearing arrangement engineered to support both radial and axial loads, improving overall structural stability during continuous duty or heavy-load applications. For users who wish to understand bearing characteristics more deeply, additional technical information is available from SKF’s bearing engineering knowledge center.

To enhance durability and longevity, the EVT gearbox is filled with high-viscosity synthetic grease that resists separation and prevents leakage. This allows the gearbox to operate throughout its service life without requiring lubrication replacement. General reference information regarding synthetic grease characteristics can be found through NTN’s lubrication guidelines.

The flange-mounted design simplifies assembly and allows compatibility with many modern servo motors commonly used in motion control systems. For readers interested in servo motor fundamentals, an excellent technical overview is available from Mitsubishi Electric’s motion control documentation.

Whether used in compact manufacturing equipment, precision indexing mechanisms, laser processing machinery, or automated packaging systems, the EVT high precision flange output right angle planetary gearbox provides stable torque transmission, smooth motion, and long service life suitable for demanding industrial environments. More background on industrial automation concepts is available through the International Society of Automation (ISA).

  • Ultra-Low Noise Performance
    The use of advanced helical gears significantly reduces noise and vibration, ensuring smooth, quiet operation ideal for high-speed automation and precision manufacturing environments.
  • High Precision & Low Backlash (<3 arcmin)
    The EVT high precision flange output right angle planetary gearbox provides exceptional positional accuracy with minimal backlash, enabling rapid motion changes and stable repeatability in servo systems and closed-loop control applications.
  • High Rigidity & High Torque Output
    An integrated oversized ball-bearing system increases structural rigidity, allowing the gearbox to withstand heavy radial and axial loads while delivering consistent torque output.
  • Flange-Output Mounting Flexibility
    The flange connector design ensures easy integration with most globally recognized servo motor brands, supporting modular assembly and compact system layouts.
  • Zero Grease Leakage Design
    High-viscosity synthetic lubrication prevents separation, minimizes leakage risk, and ensures stable long-term operation without the need for routine grease replacement.
  • Maintenance-Free Operation
    The EVT series is engineered for long service life, eliminating lubrication changes and reducing downtime in continuous-duty industrial environments.
SpecsUnitStageRatioEVT047EVT064EVT090EVT110EVT140EVT200EVT255
Rated Output Torque / T2NNm14195013327855510501700
Rated Output Torque / T2NNm15226016033065012002000
Rated Output Torque / T2NNm17195014029055511001800
Rated Output Torque / T2NNm11014401002304509001500
Rated Output Torque / T2NNm220195013327855510501700
Rated Output Torque / T2NNm225226016033065012002000
Rated Output Torque / T2NNm235195014030055011001800
Rated Output Torque / T2NNm240194512026050010001600
Rated Output Torque / T2NNm250226016033065012002000
Rated Output Torque / T2NNm270195014030055011001800
Rated Output Torque / T2NNm210014401002304509001500
Max Output Torque / T2max¹Nm1,24-1003×Nominal Output Torque
Rated Input Speed / n1Nrpm1,24-1005000500040004000300030002000
Max Input Speed / n1mrpm1,24-100100001000080008000600060004000
Micro Backlash P0arcmin14-10≤2≤2≤2≤2≤2≤2≤2
Micro Backlash P0arcmin212-100≤4≤4≤4≤4≤4≤4≤4
Precision Backlash P1arcmin14-10≤4≤4≤4≤4≤4≤4≤4
Precision Backlash P1arcmin220-100≤6≤6≤6≤6≤6≤6≤6
Standard Backlash P2arcmin14-10≤6≤6≤6≤6≤6≤6≤6
Standard Backlash P2arcmin220-100≤8≤8≤8≤8≤8≤8≤8
Torsional RigidityNm/arcmin1,24-10031330801504501010
Max Radial Force / Frmax²N1,24-10043125235430130030645900
Max Axial Force / Famax²N1,24-100990105028502990105901668029430
Service Lifehr1,24-10022000h
Efficiency / η%14-10≥97%
Efficiency / η%220-100≥94%
Weightkg14-101.12.15.910.521.950.985.4
Weightkg220-1001.41.94.59.820.145.485.9
Operating Temperature1,24-100(-15℃~+90℃)
Lubrication1,24-100Synthetic Grease
Protection Class1,24-100IP65
Mounting Position1,24-100Any Direction
Noise Level (n1=3000rpm, No load)dB(A)1,24-100≤58≤59≤62≤65≤68≤69≤70
Moment of Inertiakg·cm²140.030.140.482.747.5423.8754.37
Moment of Inertiakg·cm²150.030.130.472.717.4223.2953.27
Moment of Inertiakg·cm²170.030.130.452.627.1422.4850.97
Moment of Inertiakg·cm²1100.030.130.442.577.0322.5150.56
Moment of Inertiakg·cm²220-400.030.030.130.472.717.4223.29
Moment of Inertiakg·cm²250-1000.030.030.130.442.577.0322.51
EVT High Precision Flange Output Right Angle Planetary Gearbox dimension stage-1
EVT High Precision Flange Output Right Angle Planetary Gearbox dimension stage-2

EVT Product Catalog PDF

Specifications Sheet (EVT047–EVT255)

Dimensional Drawings (STEP/DWG)

Motor-Mounting Compatibility List

Installation & Maintenance Manual

  • Laser Processing Equipment: The EVT high precision flange output right angle planetary gearbox ensures stable, smooth, and precise movement for laser cutting, engraving, and welding machines. Its high positioning accuracy improves cutting quality and reduces vibration.
  • Packaging Machinery: Ideal for high-speed packaging systems requiring fast acceleration, repeatable accuracy, and long service life. Offers exceptional control for indexing tables, sealing units, and conveyor drives.
  • Automation Systems & Robotics: Supports compact robotic arms, gantry systems, pick-and-place units, and semiconductor machines where precision and torque stability are crucial.
  • CNC Machinery & Industrial Motion Control: Enhances machining repeatability and contributes to more stable spindle feed control in routers, milling machines, and automated drilling systems.