Rack Gear Round Rack - L Fixed / Configurable, Pressure Angle 20°

Brand :

MISUMI

Caution

Product Description

[Features] There are two types of round rack gear: L dimension fixed type and L dimension specified type.
The L size fixed type is a standard length, and the specified type can be specified with a length of 1 mm.
Both cannot be used by connecting with other rack gears.
Added material polyacetal!

Dimensional Drawing

[ ! ] For the L configurable type, this can be positioned as desired at one end

Enlarged View of End Face

Accuracy: Accumulated Pitch Error (Unit: µm)

Module	Nominal, Overall Length L
Module	Up to 100	101 to 300	301 to 500
0.5 to 1.5	54 (76)	65 (92)	72 (101)
2.0 to 3.0	62 (86)	73 (102)	80 (112)

[ ! ] Values in ( ) are for RGMAS and RGMAP.

Mass per Unit Length

Module	Dia. D (mm)	Unit Mass (g/mm)
		RGMA	RGMAS	RGMAP
		RGMAL	RGMASL	RGMAPL
		(S45C)	(SUS303)	(White Polyacetal)
0.5	8	0.383	0.387	0.068
0.8	8	0.368	0.372	0.066
1.0	10	0.580	0.586	0.104
1.5	15	1.310	1.324	0.235
2.0	20	2.331	2.355	0.418
2.5	25	3.611	3.647	0.648
3.0	30	5.181	5.233	0.930

■Overall Length L Tolerance of S45C, SUS303

Module	Tolerance (mm)

0.5 to 2.0	-0.2 to -0.6
2.5 to 3.0	-0.2 to -0.8

■Overall Length L Tolerance of White Polyacetal

Part Number		Overall Length Tolerance (mm)
Part Number
Type	Overall Length L
	50 to 100	±1.2
RGMAP	101 to 200	±1.4
RGMAPL	201 to 300	±1.6
(White Polyacetal)	301 to 400	±1.8
	401 to 500	±2.0

[ ! ] Polyacetal dimension may change depending on temperature.

[!] Use the above mass for reference only. There may be some errors.

Type		[M] Material	[S] Surface Treatment
L Fixed	L Configurable	[M] Material	[S] Surface Treatment
RGMA	RGMAL	S45C	Black Oxide
RGMAS	RGMASL	SUS303	—
RGMAP	RGMAPL	White Polyacetal	—

[ ! ] The white polyacetal rack gear can be used in combination with metal pinions such as S45C or stainless steel.

App. Example