Helical Teeth Ground Racks DIN5
These racks have excellent control over pitch errors, cumulative pitch errors, and geometric tolerances. The adjacent pitch error is usually very small, and the cumulative error is generally around 0.03mm per meter. This high - precision characteristic ensures the accuracy and stability of transmission, significantly reducing vibrations and noises during the movement process. For example, in high - speed machining centers, this precise pitch control allows for smooth and accurate movement of the worktable, ensuring high - quality machining of workpieces.
Product Parameters
|
Quality |
Teeth Treatment |
Gear Standard |
Pressure Angle |
Right Helix Angle |
Material |
Heat Treatment |
|
DIN5h22 |
Ground |
DIN867 |
20° |
19°31′42″ |
C45/ 42CrMo |
Induction - hardened: HRC50-55/ HRC55-60 |
Modules and Dimensions
The module range spans from M1.5 to M10, allowing for customization based on the required transmission power and load. Small - scale, precision - positioning mechanisms may opt for smaller modules, while heavy - duty industrial setups demand larger modules for robust load - handling.
Lengths are available in standard sizes such as 500mm, 1000mm, and 1500mm, with custom lengths also on offer. Moreover, end - to - end connection designs enable infinite extension, catering to applications necessitating long - distance linear motion, like large - scale automated assembly lines.
Application
Due to their high precision, high transmission stability, and other outstanding characteristics, DIN5 helical ground racks are mainly applied in fields with strict requirements for transmission accuracy and stability. Such as Numerical Control Machine Tools, Robotics and Automation and etc.


Equipments
Main Production Equipment
The main equipment consisting of rack milling machines and grinding machines are imported from Germany.
Benefits brought by German top-tier machining equipment: Stable ultra-precision machining eliminates vibration errors, achieving consistent DIN standard tooth accuracy and smooth tooth surfaces for all transmission parts. Continuous heavy-duty production keeps batch product quality uniform without dimensional deviation. Smooth ground surfaces lower running friction and noise, extending product service life, while high-speed processing shortens delivery lead time for customers.
The rack grinding machine
The ZSM compact moves the machine table in the X direc-tion (Table machine). For helical racks, the grinding slide to +/- 30 degrees by manually pivoted.The basic machine includes a range of equipment, which allows the machine to use in high availability for the accurate production.

Main Testing Equipment
Hexagon GLOBAL series CMMs deliver all-round measurement capabilities, available in Optical and High-Speed models. They support precision touch probing and high-speed full-surface scanning, covering all dimensional inspection demands of our rack, pinion and gearbox workpieces.
Equipped with rigid granite bases and dovetail guide rails, the machines maintain stable measurement performance long-term. Built-in temperature compensation and real-time monitoring eliminate errors caused by ambient temperature fluctuations, guaranteeing consistent, accurate inspection data for every finished part.
Fitted with high-resolution gratings and precision triangular beams, the CMMs achieve ultra-fast yet ultra-precise measurement. Every dimensional tolerance, tooth profile and surface parameter of our transmission components can be verified accurately, so only fully qualified products are delivered to customers.


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