Rack and pinion drives
An innovative system concept for rack and pinion drives for high precision and performance with a pinion, flanged pinion or bolted supporting bearing holder.

From high flexibility to high force: Rack and pinion drives.

With the innovative system concept for rack and pinion drives, STOBER has developed a compact, easy-to-use system with process reliability that is precisely tailored to the application areas of machine tools, automation and robotics.

The special highlights are the very flexible and efficient ZV series and the ZTRS series with a supporting bearing holder – for maximum feed force!

BENEFITS
Highly rigid rack and pinion drives as ready-to-install solutions

All STOBER gear rack and pinion drives are ready-to-install solutions in a wide variety of combinations – adapted to the different requirements in terms of load capacity and precision.

ZV: High flexibility for automation and robotics

With the helical toothed ZV series you can choose what you like – the pinion position is either at the shaft end or the shaft shoulder.

This series also has an impressive backlash-free, positive-locking shaft-hub connection.

ZV rack and pinion drives can be attached to P, PE, K, KS or KL gear units.

ZR: High speed due to high feed velocities

The ZR series features large, helical pinions with a bolt circle, which allow high feed velocities.

The pinions are mounted without an additional flange, which is one reason for the attractive price-performance ratio.

ZTR: High performance for demanding drive concepts

The very precise and also very high-performance ZTR series features small pinion diameters, high linear rigidity and lower torques.

The pinions with the welded screw flange can be easily mounted and dismounted. The ZTR series is therefore ideal for feed axes of machine tools where the supporting bearing holder is an interfering contour. This means gantry machines, vertical and horizontal lathes or milling and drilling centers.

The rack and pinion drives can be combined with PH and PHV series gear units.

ZTRS: High force for maximum power density

Developed by STOBER, the bolted supporting bearing holder with stiffening ribs on the inner contour makes it possible to use the full gear unit torque in a rack and pinion drive for the first time. As a result, this also optimizes the power density and rigidity. To determine the drive, the relevant variable is no longer the tilting torque, but the torque that is actually required.

ZTRS is ideal for feed axes of machine tools, laser machines and highly dynamic and precise handling systems.

The rack and pinion drives can be combined with the PH, PHQ and PHV series gear units.

TECHNICAL DATA

0 ZV rack and pinion drive technical data

ZVP series
Power density:
Price category:
  • Module: 2 – 4 mm
  • Number of teeth: 16 – 25
  • Acceleration feed force: 1.7 – 15 kN
  • Permitted feed velocity: 0.14 – 5.3 m/s
  • Linear backlash: 8 – 44 μm

Find your right fit!
ZVPE series
Power density:
Price category:
  • Module: 2 – 3 mm
  • Number of teeth: 16 – 25
  • Acceleration feed force: 2 – 6.3 kN
  • Permitted feed velocity: 0.13 – 4.5 m/s
  • Linear backlash: 40 – 83 μm

Find your right fit!
ZVKS series
Power density:
Price category:
  • Module: 2 – 4 mm
  • Number of teeth: 18 – 25
  • Acceleration feed force: 3.2 – 11 kN
  • Permitted feed velocity: 0.07 – 3 m/s
  • Linear backlash: 37 – 44 μm

Find your right fit!
ZVKL series
Power density:
Price category:
  • Module: 2 mm
  • Number of teeth: 16 – 20
  • Acceleration feed force: 1.3 – 2.9 kN
  • Permitted feed velocity: 0.33 – 2.8 m/s
  • Linear backlash: 99 – 123 μm

Find your right fit!
ZVK series
Power density:
Price category:
  • Module: 2 – 4 mm
  • Number of teeth: 18 – 25
  • Acceleration feed force: 2.7 – 15 kN
  • Permitted feed velocity: 0.06 – 3.8 m/s
  • Linear backlash: 12 – 111 μm

Find your right fit!

ZR rack and pinion drive technical data

ZRPH series
Power density:
Price category:
  • Module: 2 – 4 mm
  • Number of teeth: 26 – 45
  • Acceleration feed force: 2.1 – 15 kN
  • Permitted feed velocity: 0.23 – 6.7 m/s
  • Linear backlash: 10 – 56 μm

Find your right fit!

ZTR rack and pinion drive technical data

ZTRPH series
Power density:
Price category:
  • Module: 2 – 8 mm
  • Number of teeth: 12 – 32
  • Acceleration feed force: 5.8 – 67 kN
  • Permitted feed velocity: 0.09 – 4.7 m/s
  • Linear backlash: 4 – 44 μm

Find your right fit!
ZTRPHV series
Power density:
Price category:
  • Module: 5 – 8 mm
  • Number of teeth: 12 – 19
  • Acceleration feed force: 56 – 67 kN
  • Permitted feed velocity: 0.19 – 0.39 m/s
  • Linear backlash: 42 – 44 μm

Find your right fit!

ZTRS rack and pinion drive technical data

ZTRSPH series
Power density:
Price category:
  • Module: 2 – 10 mm
  • Number of teeth: 15 – 32
  • Acceleration feed force: 16 – 94 kN
  • Permitted feed velocity: 0.18 – 4.7 m/s
  • Linear backlash: 7 – 70 μm

Find your right fit!
ZTRSPHQ series
Power density:
Price category:
  • Module: 8 – 10 mm
  • Number of teeth: 15 – 19
  • Acceleration feed force: 124 – 126 kN
  • Permitted feed velocity: 0.06 – 1.1 m/s
  • Linear backlash: 69 – 70 μm

Find your right fit!
ZTRSPHV series
Power density:
Price category:
  • Module: 5 – 10 mm
  • Number of teeth: 15 – 20
  • Acceleration feed force: 61 – 94 kN
  • Permitted feed velocity: 0.2 – 0.62 m/s
  • Linear backlash: 44 – 70 μm

Find your right fit!

FEATURES

0 ZV rack and pinion drive features

ZVP series
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 6
    • Can be mounted on the shaft with toothing flush with the shaft end or with the shaft shoulder
    • Backlash-free shaft-hub connection, shrink bonded and feather-keyed
    • Optional axial locking
  • Bearing: Standard, axial or radial reinforced
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZV rack and pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • P gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation, optionally with a large motor plate (MFL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZVPE series
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 6
    • Can be mounted on the shaft with toothing flush with the shaft end or with the shaft shoulder
    • Backlash-free shaft-hub connection, shrink bonded and feather-keyed
    • Optional axial locking
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZV rack and pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • PE gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZVK series
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 6
    • Can be mounted on the shaft with toothing flush with the shaft end or with the shaft shoulder
    • Backlash-free shaft-hub connection, shrink bonded and feather-keyed
    • Optional axial locking
  • Backlash: Standard, Class I or Class II
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZV rack and pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • K gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZVKL series
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 6
    • Can be mounted on the shaft with toothing flush with the shaft end or with the shaft shoulder
    • Backlash-free shaft-hub connection, shrink bonded and feather-keyed
    • Optional axial locking
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZV rack and pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • KL gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZVKS series
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 6
    • Can be mounted on the shaft with toothing flush with the shaft end or with the shaft shoulder
    • Backlash-free shaft-hub connection, shrink bonded and feather-keyed
    • Optional axial locking
  • Bearing: Standard, axial or radial reinforced
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZV rack and pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • KS gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
  • Recommended motor for direct attachment: Particularly efficient in combination with STOBER motors of the EZ series
 

0 ZR rack and pinion drive features

ZRPH series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Output pinion:
    • Helical gearing, case-hardened and smoothed
    • Gearing quality 5
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZR rack-and-pinion drive: Lubrication is the responsibility of the customer; we recommend high-quality greases based on synthetic oils, NLGI class 0
    • PH gear unit: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation, optionally with a large motor plate (MFL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 

0 ZTR rack and pinion drives features

ZTRPH series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Output pinion:
    • Case-hardened and smoothed
    • Gearing quality 5
    • Optional radial runout ≤ 10 µ
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZTR rack-and-pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • PH gear unit: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation, optionally with a large motor plate (MFL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
ZTRPHV series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Output pinion:
    • Case-hardened and smoothed
    • Gearing quality 5
    • Optional radial runout ≤ 10 µ
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZTR rack-and-pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0
    • PHV gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 

0 ZTRS rack and pinion drive features

ZTRSPH series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Support bearing holder:
    • Robust cast housing, closed protective design, stiffness optimized by internal ribbing
    • Maximum feed force, minimized bending, increased service life
  • Output pinion:
    • Case-hardened and smoothed
    • Gearing quality 5
    • Optional radial runout ≤ 10 µ
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZTRS rack-and-pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0 Optional lubrication with felt gear; connection option for central lubrication or lubricator
    • PH gear unit: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation, optionally with a large motor plate (MFL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZTRSPHV series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Support bearing holder:
    • Robust cast housing, closed protective design, stiffness optimized by internal ribbing
    • Maximum feed force, minimized bending, increased service life
  • Output pinion:
    • Case-hardened and smoothed
    • Gearing quality 5
    • Optional radial runout ≤ 10 µ
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZTRS rack-and-pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0 Optional lubrication with felt gear; connection option for central lubrication or lubricator
    • PHV gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 
ZTRSPHQ series
  • Gear racks: You can obtain the gear racks that exactly match all our products from our cooperation partner ATLANTA
  • Support bearing holder:
    • Robust cast housing, closed protective design, stiffness optimized by internal ribbing
    • Maximum feed force, minimized bending, increased service life
  • Output pinion:
    • Case-hardened and smoothed
    • Gearing quality 5
    • Optional radial runout ≤ 10 µ
  • Mounting position: Any
  • Lubricants and maintenance:
    • ZTRS rack-and-pinion drive: Lubrication is the customer’s responsibility; we recommend high-quality greases based on synthetic oil, NLGI class 0 Optional lubrication with felt gear; connection option for central lubrication or lubricator
    • PHQ gear units: CLP HC ISO VG 150 synthetic lubricant; lubricated for life and maintenance-free
  • Paint: RAL 9005 Jet black
  • Motor adapter:
    • EasyAdapt (ME) with clamp coupling, optionally with a large motor plate (MEL)
    • FlexiAdapt (MF) with bellow coupling and integrated thermal length compensation, optionally with a large motor plate (MFL)
    • ServoStop (MB) with plug-in coupling (jaw coupling) and integrated spring-loaded brake
  • Recommended motor for direct attachment: Particularly efficient in combination with a STOBER EZ series motor
 

APPLICATIONS
Portal milling
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Horizontal machining units
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Pick and place
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Laser cutting
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Tube bending
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Sheet metal bending
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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7th axis
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Vertical turntables
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Horizontal turntables
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

Learn more
DOCUMENTS
TitleVersionIDDateLanguageSize / Type
More than just a gearbox new generation planetary gear units 004431572019 12EN2.05 MB [PDF]
Brochure Technology for Drive Systems and Automation - new generation planetary gear units pocket 00K4431642020 04EN1.96 MB [PDF]
Catalog STOBER compact 034426552021 06EN8.33 MB [PDF]
Catalog Rack and pinion drives ZTRS_ZTR_ZR_ZV 024431372021 06EN7.89 MB [PDF]
TitleVersionIDDateLanguageSize / Type
Operating instructions Gear units and geared motors C_F_K_S 024430272019 01EN280.89 KB [PDF]
Operating instructions P_PE_PH_PHQ_PHV planetary gear units and geared motors G3 004431492019 10EN986.99 KB [PDF]
Operating instructions PK_PKX_PHK_PHKX_PHQK_KL_KS right angle servo gear units and right angle servo geared motors G3 004431502019 10EN1.68 MB [PDF]
Operating instructions Gear racks Atlanta 014424552012 07EN1019.62 KB [PDF]
Safety instructions for explosion-proof gear units 004431082018 07EN63.74 KB [PDF]
Mounting instructions Starter kit for decentralized lubrication 024427622016 04EN386.35 KB [PDF]
Operating manual Gear units and geared motors PE22 - PE52 00443252EN708.77 KB [PDF]
Operating instructions Gear racks Atlanta 014424552012 07EN1.00 MB [PDF]
TitleVersionIDDateLanguageSize / Type
Lubricant fill volume 16441871EN1.22 MB [PDF]
TitleVersionIDDateLanguageSize / Type
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