KHK Spur Gear Catalogue - KHK - (Version JPG) - Page n° 201 - PDF Catalogue | Technical Documentation

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Spur gear, Bevel gear, Helical gear, Gear, Gear reducer

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Allowable torque (N*m)	Allowable torque (kgf^-m)	Backlash	Weight	Catalog No.
Bending strength	Bending strength	(mm)	(kg)	Catalog No.
1.42	0.14	0.12~0.26	0.05	NSU1-30
1.54	0.16	0.12~0.26	0.06	NSU1-32
1.66	0.17	0.12~0.26	0.08	NSU1-34
1.73	0.18	0.12~0.26	0.08	NSU1-35
1.79	0.18	0.12~0.26	0.08	NSU1-36
2.05	0.21	0.12~0.26	0.08	NSU1-40
2.37	0.24	0.12~0.26	0.12	NSU1-45
2.56	0.26	0.12~0.26	0.13	NSU1-48
2.70	0.28	0.12~0.26	0.13	NSU1-50
3.33	0.34	0.14~0.28	0.23	NSU1-60
3.96	0.40	0.14~0.28	0.24	NSU1-70
4.60	0.47	0.14~0.28	0.25	NSU1-80
5.24	0.53	0.14~0.28	0.32	NSU1-90
5.89	0.60	0.14~0.28	0.40	NSU1-100
4.39	0.45	0.14~0.30	0.15	NSU1.5-28
4.78	0.49	0.14~0.30	0.15	NSU1.5-30
5.19	0.53	0.14~0.30	0.18	NSU1.5-32
5.61	0.57	0.16~0.32	0.19	NSU1.5-34
5.83	0.59	0.16~0.32	0.21	NSU1.5-35
6.05	0.62	0.16~0.32	0.21	NSU1.5-36
6.9	0.70	0.16~0.32	0.31	NSU1.5-40
7.98	0.81	0.16~0.32	0.33	NSU1.5-45
8.66	0.88	0.16~0.32	0.34	NSU1.5-48
9.11	0.93	0.16~0.32	0.34	NSU1.5-50
10.4	1.06	0.16~0.32	0.50	NSU1.5-56
11.2	1.15	0.16~0.32	0.52	NSU1.5-60
12.9	1.32	0.18~0.36	0.66	NSU1.5-68
13.4	1.36	0.18~0.36	0.69	NSU1.5-70
15.5	1.58	0.18~0.36	1.00	NSU1.5-80
17.7	1.80	0.18~0.36	1.28	NSU1.5-90

■ How is MC nylon fused to the metal core

This method is superior to other conventional methods such as bolting, shrink fitting and bonding.

© Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold.

1-2 ,

2mm pitch ₂iamond knurl

I.Wide temperature range. There are examples of wheel use in furnaces at 130 to 140° C.

2.Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub,

dimensional change is very small

even under temperature variations. 3.Good appearance Elimination of bolts and nuts

provides a cleaner physical

appearance . 4.Cost savings In general, it is more economical than attaching with bolts, especially in large quantities.

[Cautionon Secondary Operations] © Please read "Caution on Performing Secondary Operations" (Page 36) when performing modifications and/or secondary operations for safety concerns. Haguruma Kobo, the KHK's system for quick modification of KHK stock gears is also available.

® Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations.

■ Ambient temperature compensation factor t

1.4

1.2

1.0

Safety Factor

Tal = Tmax X

0.8

0.6

Where

Tal : Allowable Holding Strength at the contact surface

Tmax : Maximum Holding Strength - Find from the charts on the left.

T : Temperature Compensation Factor

0.4

0.2

0 -20

100 120

* Data supplied by Japan Polypenco Limited.

TemperaturecC)

KHK Spur Gear Catalogue - KHK - #201

Spur gear, Bevel gear, Helical gear, Gear, Gear reducer