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Product catalog summary

Specifications:
The document outlines specifications for various types of gears including spur, helical, internal gears, and more. The precision grade is specified as JIS grade N8 and JIS grade 4, with a standard full depth gear teeth and a pressure angle of 20°. The material used is S45C with no heat treatment, and tooth hardness is less than 194HB.

Product Details:
The document provides detailed specifications for Steel Thin Face Spur Gears, including module, number of teeth, shape, bore, hub diameter, pitch diameter, outside diameter, face width, hub width, total length, and keyway dimensions. It includes catalog numbers for easy reference.

Performance Characteristics:
Allowable torque, bending strength, surface durability, backlash, and weight are detailed for each gear type. The document also includes cautions on product characteristics, such as keyway standards and theoretical backlash values.

Secondary Operations:
Guidelines for performing secondary operations are provided, emphasizing the importance of avoiding deflection and distortion due to the thin width of the gear teeth. It advises against operations that narrow the tooth width as it affects precision and strength.

Additional Information:
The document mentions that drawings can be outputted as DXF files from the Web Catalog, and custom gear production services are available for products not in the KHK Stock Gear series.

Catalog excerpts

Steel Thin Face Spur Gears Other Bevel Worm Screw Bevel Miter CP Racks R . Internal Helical Spur Products Gearboxes Gear Pair Gears Gears Gears & Pinions ac s Gears Gears Gears * The precision grade of products with a module of less than 0.8 is equivalent to the value shown in the table. Other Bevel Worm Screw Bevel Miter CP Racks Dacks Internal Helical Spur Products Gearboxes Gear Pair Gears Gears Gears & Pinions Gears Gears Gears [Caution on Product Characteristics] © Keyways are made according to JIS B1301 standards and Js9 tolerances. For products with a tapped hole, a set screw is included as an accessory. © The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. © The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] © Please read "Caution on Performing Secondary Operations" (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available. © When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width; deflection might occur if heat treated. © Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. Drawing can be outputted from the Web Catalog as DXF files.

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Steel Thin Face Spur Gears Other Bevel Worm Screw Bevel Miter CP Racks R . Internal Helical Spur Products Gearboxes Gear Pair Gears Gears Gears & Pinions ac s Gears Gears Gears Specifications [Caution on Product Characteristics] © Keyways are made according to JIS B1301 standards and Js9 tolerances. For products with a tapped hole, a set screw is included as an accessory. © The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. © The backlash values shown in the table are the theoretical values for the backlash...

Open the catalog to page 2