KHK Miter Gear Catalogue - KHK - (Version JPG) - Page n° 2 - PDF Catalogue | Technical Documentation

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~S\Miter Gears

characteristics

Miter gears are a special class of bevel gears where the shafts intersect at 90° and the gear ratio is 1:1.

KHK stock miter gears are available in two types, spiral and straight tooth, with high precision grade for demanding

torques and speeds, and commercial grade for economical applications. The following table lists the main features for easy

selection.


Type	Catalog No.	Module	No. of Teeth ( ) Shaft Angle	Material	Heat Treatment	Tooth Surface Finish	Precision JIS B 1704	Secondary Operations	Features
Spiral	MMSG	2-4	20,25,30	SCM415	Carburized Note 1	Ground	2		High strength, abrasion-resistant and compact for high speed & torque use.
Spiral	SMSG	2-5	20,25,30	S45C	hardened	Ground	2		Reasonably priced ground gear, yet remachinable except for the gear teeth.
Miter	MMSA-MMSB	1-10	20	SCM415	Carburized	Cut	4	X	Ready to use without performing secondary operations. Strong and abrasion resistant.
Gears	MMS	2-5	20,25	SCM415	Carburized Note 1	Cut	4	△	Only teeth are induction hardened, allowing user to perform secondary operations elsewhere.
Gears	SMS	1 -8	20,25,30	S45C	hardened	Cut	4	△	Large numbers of teeth and modules are offered in these affordable spiral miter gears.
	SMA-SMB • SMC	1 -8	20,25,30	S45C	son hardened	Cut	4	△	Usable without remachining, offered in 3 bore sizes.
	MM	2-5	20,25	SCM415	Carburized Note 1	Cut	4	△	Compared to SM miters, these are stronger and less abrasive, and allow secondary operations.
Straight Miter Gears	LM	0.8-1.5	20	SMF5040 (Equiv. to S45C)	—	Sintered	5	O	Mass-produced, low cost sintered products. Small and light weight.
	SM	1 -8	16,20,25,30	S45C	—	Cut	3	o	Popular straight miter for many uses.
	SAM	1.5-3	20 (45°,60°, 120°)	S45C	—	Cut	3	o	3 types are available for shafts at 45° , 60° and 120° .
	SUM	1-4	20,25	SUS303	—	Cut	3	o	Suitable for food machinery due to SUS303's rust-resistant quality.
	SUMA	1-4	20,25	SUS303	—	Cut	3	△	Stainless steel products, usable without remaching.
	PM	1-4	20,25	MC901	—	Cut	4	o	MC nylon products are light and can be used without lubricant.
	DM	0.5-1.5	20	Duracon (M90-44)	—	Injection Molded	8	△	Injection molded, mass-produced products, suitable for office machines.

(note 1) Although these are carburized products, secondary operations can be performed as the bore and the hub portions are masked during the carburization. However, as a precaution, high hardness (HRC40 at maximum) occurs in some cases.

O Possible △ Partly Possible X Not possible

we use crowning method for gear cutting

KHK utilizes Gleason Coniflex No.104, 102 and 114 bevel gear generating machinery, also equipped for mass production of straight miter gears. You can count on a stable supply of

economically priced straight miter gears from KHK

Gleason Coniflex No.104

KHK Miter Gear Catalogue - KHK - #2

Gear coupling, Bevel gear, Flexible coupling, Rack and pinion, Gear