Linear Motion System | Rack and Pinion Linear Motion System
Rack and pinion direct drive system
Solving the problems of ball screw transport such as deflection, speed limitations, large diameter, and larger motors! Achieving high speed and high transport capacity in a compact space with a helical rack.
Our rack and pinion direct drive system combines "high precision, high speed, high load capacity, high durability, and long length." It can transport weights in the ton class with high speed and high precision. Since the rack is installed directly on the machine bed, there is no need to worry about the "deflection" that occurs with ball screws. With a planetary gear reducer that has a minimum backlash of 1 arcmin and a rack with a cumulative pitch error of at least 30 μm per 1000 mm, extremely high precision positioning is achievable. The rack can be up to 2 meters long, but it can also be extended by aligning multiple racks together for longer lengths.
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basic information
【Features】 ■ Capable of constructing a direct drive mechanism with high speed, high precision, high load capacity, and high acceleration ■ Maximum load capacity: 124kN, maximum transport speed: 6.7m/sec ■ Racks can be connected and extended, allowing for construction from short to long lengths ■ Modular configuration allows for selection of reducer, rack, and pinion ■ Servo motor rotation axes available in both coaxial and orthogonal configurations ■ Planetary gear reducers are maintenance-free, requiring no lubrication or oil changes ■ Transmits the driving force of the servo motor through a highly efficient reducer to minimize energy loss * The "Selection Case Collection" can be viewed via PDF download * Please refer to the explanation for system configuration * For more details, please download the PDF or contact us.
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Applications/Examples of results
【Applications】 Used in working machines, laser processing machines, inter-process pallet transport, woodworking machines, transport devices, flat panel manufacturing equipment, gantry loaders, destack feeders, and various processing machines and manufacturing equipment transport mechanisms, with a wealth of experience both domestically and internationally. Additionally, it is also utilized as a thrust mechanism in pipe benders and special press machines.
Line up（4）
| Model number | overview |
|---|---|
| ZTRS Type | Reduction of pinion diameter, improved rigidity, and reduced required motor torque due to dual support of the pinion. ZTRS-PH Type, ZTRS-PHQ Type, ZTRS-PHV Type |
| ZTR Type | Small diameter pinion, reduced required motor torque. ZTR-PH Type, ZTR-PHV Type |
| ZR Type | Large diameter pinion. ZR-PH Type |
| ZV Type | Pinion for shaft output, two types of pinion positions (shaft end and shoulder). ZV-P Type, ZV-PE Type, ZV-KS Type, ZV-KL Type, ZV-K Type |
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Company information
Stöber provides a comprehensive range of drive technologies and automation solutions, including high-rigidity and precision planetary gear reducers, rack and pinion drive systems, and the latest drive and automation technologies. We also offer selection support for reducers, racks, and pinion gears, as well as matching support with motors. [Company Overview] Founded: 1934 Headquarters: Pforzheim, Germany Management: Patrick Stöber / Andreas Thiel Number of Employees: Over 800 Revenue: Over 125 million euros (approximately 16.5 billion yen) Manufacturing Area: 40,000 m² Various management certifications obtained: ISO 9001: Quality Management ISO 14001: Environment BS OHSAS 18001: Occupational Health and Safety ISO 50001: Energy