.


Specifications
Precision grade 5 JIS B 1704 grade 5 Core hardness HRC7095
Gear teeth Gleason Surface hardness
Pressure angle 20 Surface treatment -
Material SMF5040 (Carbon steel) Surface finish Sintered
Heat treatment - Datum reference surface
for teeth cutting
Bore

B1

20 Miter Module 0.81.5

Catalog No. Module No. of
teeth
Bore Hub dia. Pitch dia. Outside dia. Mounting
distance
Total length Crown to
back length
Hub width Length
of bore
Face width Holding
surface dia.
Face angle Shape Allowable
torque (kgfm)
Allowable
torque (Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
m z A B C D E F G H I J K L Bending
strength
Surface
durability
Bending
strength
Surface
durability
LM0.8-20
[ DXF| DWG| 3D CAD]
LM1-20
[ DXF| DWG| 3D CAD]
LM1.25-20
[ DXF| DWG| 3D CAD]
LM1.5-20
[ DXF| DWG| 3D CAD]
0.8

1

1.25

1.5
20

20

20

20
4

5

6

6
12

16

22

26
16

20

25

30
17.13

21.41

26.77

32.12
16

20

23

30
11

13.5

15

21
8.57

10.71

11.38

16.06
6

8

9

13
11

13.5

15

21
4.24

4.95

6.36

8.48
-

-

-

-
4948'

4948'

4948'

4948'
B1

B1

B1

B1
0.0221

0.0416

0.0826

0.1509
0.0027

0.0051

0.0101

0.0189
0.2167

0.408

0.81

1.48
0.0265

0.05

0.099

0.1853
00.16

00.18

00.2

00.22
0.01

0.022

0.037

0.07
LM0.8-20

LM1-20

LM1.25-20

LM1.5-20
Pitch Angle 45

CAUTION: The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.
CAUTION: The rust prevention process involves treating the gears with steam (in effect, creating surface oxidation). The black oxide treatment cannot be done on these gears.
NOTE:

The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.

USEFUL HINT :

Miter gears are bevel gears with a 1 : 1 gear ratio. There are two types, straight miter and spiral miter, according to straight or curved gear tooth.

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