Company Overview
Yuan Yi Chang Machinery, with nearly 40 years of production experience and ISO 9001 certification, collaborates with the Industrial Technology Research Institute to align with global smart manufacturing trends. The company offers a range of transmission parts and equipment, including racks, guideway racks, pinions, rollers, planetary reducers, servo worm gearboxes, and backlash-free reducers. Their products cater to various industries such as CNC machines, woodworking, printing, and more, including applications in Industry 4.0.

Awards and Recognition
YYC has received several accolades, including the Best Enterprise of the National Brand Yu-Shan Award in 2015 and the Best Products of National Brand Yu-Shan Award in 2016 for their Ultra High Precision Rack and Pinion.

Product Range and Specifications
Rollers
The document details the specifications of various roller types, including V Type and Round Rollers, made from SUJ2 material with a hardness of HRC 60~64° and radial tolerance of 0~0.01 mm. The rollers are categorized by shaft diameter and eccentricity, with detailed dimensions and load ratings provided.

V Type Roller
Specifications include shaft diameters of 15, 20, 25, and 35 mm, with eccentricity options of 0 or 1 mm. Detailed dimensions and load ratings are provided for each model.

Round Roller
Similar specifications are provided for Round Rollers, with shaft diameters ranging from 15 to 35 mm and eccentricity of 1 mm.

V Type Roller Lubricated Cover Unit
Details are provided for the RH series, including dimensions and material (PA6) specifications.

Market and Branding
YYC markets its products under the brand "You drive, You Control!" targeting middle to high-end markets and exporting to nearly 50 countries. The company emphasizes customer satisfaction and product quality.