ZV-KL-EZ angular rack and pinion servo drives

Modular ZV rack and pinion with KL bevel gear and EZ STOBER servo motor. In the power range 0.29 – 1.4 kW. Gear ratios 4:1, 8:1, 16:1, 32:1. Linear play 99 – 123 μm. Module 2. Number of teeth 16 – 20. Feed forces max. 0.34 – 2.7 kN. Linear speeds max. 0.21 – 3.3 m/s. Teeth quality class 6. Optional with encoder, resolver, brake, fan, single-cable servo motor, SD6/SI6/SC6 servo drive.

ZV-KL-EZ angular rack and pinion servo drives

Very stiff angular gear motors with insertion pinion

Compact and very dynamic thanks to direct engine mounting

Modular Gear Wheels ZV:

• Toothing quality class: 6 according to DIN 3962
• Rack drive gear: Diffusion-hardened with helical teeth (counterclockwise direction 19° 31′ 42″)
• Backlash-free shaft-hub connection: Shrink-fitted and glued, additionally keyed and bolted
• Compatible rack design: Right-hand configuration (19° 31′ 42″), minimum quality class 8, material C45, induction hardened
• Two pinion mounting positions available:
  • (E): Toothing at the end of the output shaft
  • (S): Toothing close to the gearbox, allowing for higher permissible feed forces
• Lubrication responsibility: Customer-supplied; recommended high-quality synthetic oil-based grease, NLGI class 0

Modular Rack Gears ZS:

• High-precision helical toothing, quality class 6
• Spiral teeth, hardened and ground
• Module size range: 2 – 6
• Double number of mounting holes every 62.5 mm
• Maximum feed force: 12.6 to 83.1 kN
• Two available lengths: 500 mm and 1000 mm

Bevel Right-Angle Gearboxes KL:

• Precision design: Low standard backlash
• Fractional gear ratio: No positioning errors
• Quiet operation: Helical gear teeth
• Maintenance-free: No oil changes required
• Lifetime lubrication
• Operating position: To be specified at the time of order
• Ambient temperature range: 0°C to 40°C (other temperature ranges available on request)
• Filled with synthetic lubricant CLP HC ISO VG 150
• Maximum allowable gearbox surface temperature: ≤ 80°C
• Protection class: IP64
• Standard output shaft seal: NBR
• For duty cycle > 60% and higher ambient temperatures, FKM radial shaft seals are recommended
• Gearbox housing: Cast iron
• Painted black (RAL 9005); other colors available on request
• Reversible operation from -20° to ≤ 90° in horizontal mounting upon request

Optional Features for KL Bevel Right-Angle Gearboxes:

• Protection class: IP66 (splash-proof and dust-tight)
• FKM VITON shaft seals
• Available with MQ adapter and coupling for commercially available servo motors
• Modular gear wheel on the gearbox output shaft
• Mobil CIBUS 150/220 oil for the food industry, NSF H1 approved
• Available with LM servo motor or with ME/MEL adapter and coupling for commercially available servo motors
• Explosion-proof design according to ATEX Directive 2014/34/EU
• Two-layer paint in any RAL color upon customer request

Output Shaft Options for K Bevel Right-Angle Gearboxes:

• A: Hollow shaft with keyway (optionally with cover)
• V: Solid shaft with keyway
• V2: Solid shaft with keyway on both sides
• S: Hollow smooth shaft with clamping ring (optionally with cover)

Mounting Options for K Bevel Right-Angle Gearboxes:

• G: Threaded holes
• N: Foot mounting
• F: Round flange
• D: Torque arm

EZ Servo Motors

• Electric synchronous motors with permanent magnets
• Rotatable plug connectors with quick-lock mechanism
• Operating temperature range: -15°C to +40°C
• Standard protection class: IP56, optionally IP66
• Thermal class: F (155°C)
• Electronic nameplate for quick identification of servo motor parameters
• Rolling bearing with lifetime lubrication and contactless sealing
• Radial shaft seals made of FKM VITON
• Radial and axial runout tolerance according to IEC 60072-1
• Permissible noise level values according to EN 60034-9
• Not suitable for use in explosive atmospheres
• Certifications: CE, UKCA, optionally cURus
• Integrated PTC thermistor, optionally PT1000 temperature sensor
• Standard color: Black (RAL 9005), optionally any RAL color**
• Optional backlash elimination for multiturn absolute encoders
• External fan for higher ambient temperatures, increased continuous power, or 30% higher torque
• Electromagnetic safety brake (24VDC)

Encoders in EZ Servo Motors:

• Resolver
• Absolute encoder EnDAT 2.1/2.2, inductive/optical, Multiturn/Singleturn
• Optional single-cable solution (OCS) with absolute encoder EnDat 3.0 – EQI 1131 for max. cable length of 100m

Compatibility of EZ Servo Motors with Servo Drives:

• STOBER: SDS5000, MDS5000, SI6 / SC6, SD6
• B&R: Acopos
• Beckhoff: AX5000
• KOLLMORGEN: AKD, S300, S400, S600
• SIEMENS: Sinamics S120
• Bosch Rexroth
• Allen-Bradley