: These axial piston units are used in both open and closed circuits for hydrostatic drives.
Appendix: quick formulas and conversions
The most requested catalogues cover these flagship series:
Unlike generic manuals, the "top" Uchida catalogues are not always on the first page of Google. Here is a strategic approach to finding the highest-quality PDF: uchida hydraulic pump catalogue pdf top
Uchida pumps are engineered for high pressure, efficiency, and durability. The most sought-after series in technical catalogues include: 1. Uchida AP2D Series
A properly structured catalogue, such as the ones provided by Elephant Fluid Power, contains crucial information for selection and maintenance: A. Technical Data Tables
: Varies from small 10cc units to large-scale 250cc+ models. : These axial piston units are used in
Designed to match the standards, these pumps are robust, versatile, and essential for industrial applications. They offer precise flow control and are highly efficient. 3. Uchida AP2E Series
Founded in Japan, Uchida has established itself as a premier manufacturer of hydraulic systems. Its products are widely used in demanding mobile and industrial applications where performance and longevity are paramount. A pivotal moment in the company's history was its alliance with the German industrial giant Rexroth, a partnership that led to the creation of the widely recognized "Uchida-Rexroth" brand and the adoption of Rexroth's proven axial piston technology. This fusion of Japanese precision and German engineering ensures their pumps meet the most rigorous global standards.
Industry professionals know that Uchida and Nachi have a shared technology history. Many Uchida pumps are mechanically identical to Nachi models. A top-tier catalogue will sometimes include a "Nachi Equivalent" cross-reference, which allows you to source parts more easily. Designed to match the standards, these pumps are
The rain in Kobe was relentless, a rhythmic drumming against the corrugated steel roof of the shipping yard. Inside the foreman’s office, Kenji sat with his head in his hands. Outside, the massive container crane—nicknamed "The Titan"—stood paralyzed. It was a beast of a machine, capable of lifting locomotives, but today, it was dead weight.
These often provide the most detailed, user-friendly catalogues, sometimes including troubleshooting guides.
+-------------------+--------------------------------------------------+ | Parameter | Description | +-------------------+--------------------------------------------------+ | Displacement | Volume of fluid pumped per revolution (cc/rev) | | Rated Pressure | Continuous operating pressure limit (MPa or PSI) | | Peak Pressure | Maximum intermittent pressure threshold | | Maximum Speed | Highest allowable rotational speed (RPM) | | Control Types | Pressure constant, flow control, power control | +-------------------+--------------------------------------------------+ How to Decode Uchida Model Codes
Use the dimensional drawings to create a 1:1 mounting template. Many machine shops use the PDF’s scale drawings to fabricate adapter plates for discontinued Uchida models.